{
0xb20a534816befbdf9867f03817473eded9884fef772f2fdaf7af3444266729cd: {
data: {
blockHash: "0x005498770261f4434741d0cf1dfa974209ba73a8612d9137eb0491ecc252ff63",
blockNumber: "1",
transactionIndex: 0,
hash: "0xb20a534816befbdf9867f03817473eded9884fef772f2fdaf7af3444266729cd",
from: "0x0000000000000000000000000000000000000001",
gasLimit: "1000000000000000000",
gasPrice: "0",
data: "0x",
nonce: "0",
to: "0xccf8ba457dcad7ee6a0361c96846a0f79744b113",
value: "250000000000000000000",
chainId: "3615",
origin: "1651572503570",
v: "",
r: "",
s: ""
},
hash: "0xb20a534816befbdf9867f03817473eded9884fef772f2fdaf7af3444266729cd",
load: "() => {
const transactionFile = config.node.dataDir + '/transactions/' + this.hash + '.json';
if (! fs.existsSync(transactionFile)) {
console.warn(utils.getDate(), "[BLOCKCHAIN]", 'IMPORT Transaction not found', this.hash);
throw new Error('IMPORT_TRANSACTION_NOT_FOUND_DATABASE_CORRUPTED');
}
const transactionJson = fs.readFileSync(transactionFile);
transactionData = JSON.parse(transactionJson, utils.bnJsonParser);
this.data = (typeof transactionData == 'TransactionData') ? transactionData : new TransactionData(transactionData);
return true;
}",
save: "() => {
const transactionFile = config.node.dataDir + '/transactions/' + this.hash + '.json';
fs.writeFileSync(transactionFile, JSON.stringify(this.data));
return true;
}",
getReceipt: "() => {
return blockchain.getTransactionReceiptByHash(this.hash);
}",
getBlock: "() => {
return blockchain.getBlockByHash(this.data.blockHash);
}",
getBlockTransationPrev: "() => {
const block = this.getBlock();
const txPrevIdx = (this.data.transactionIndex > 0) ? (this.data.transactionIndex-1) : null;
const tx = (block && txPrevIdx in block.transactions) ? block.transactions[txPrevIdx] : null;
return tx;
}",
getBlockTransationNext: "() => {
const block = this.getBlock();
const txNextIdx = (this.data.transactionIndex < block.transactions.length - 1) ? (this.data.transactionIndex+1) : null;
const tx = (block && txNextIdx in block.transactions) ? block.transactions[txNextIdx] : null;
return tx;
}",
getAccountTransactionIndex: "() => {
const account = blockchain.getAccount(this.data.from);
if (! account) {
return null;
}
const txIdx = account.data.transactions.findIndex(transactionHash => blockchain.getTransactionByHash(transactionHash).hash == this.hash);
if (txIdx === -1) {
return null;
}
return txIdx;
}",
getAccountTransationPrev: "() => {
const account = blockchain.getAccount(this.data.from);
if (! account) {
return null;
}
const txIdx = this.getAccountTransactionIndex();
if (txIdx === null) {
return null;
}
const txPrevIdx = (txIdx > 0) ? (txIdx-1) : null;
const transactionHash = (txPrevIdx in account.data.transactions) ? account.data.transactions[txPrevIdx] : null;
if (! transactionHash) {
return null;
}
return blockchain.getTransactionByHash(transactionHash);
}",
getAccountTransationNext: "() => {
const account = blockchain.getAccount(this.data.from);
if (! account) {
return null;
}
const txIdx = this.getAccountTransactionIndex();
if (txIdx === null) {
return null;
}
const txNextIdx = (txIdx < account.data.transactions.length - 1) ? (txIdx+1) : null;
const transactionHash = (txNextIdx in account.data.transactions) ? account.data.transactions[txNextIdx] : null;
if (! transactionHash) {
return null;
}
return blockchain.getTransactionByHash(transactionHash);
}",
formatRpc: "() => {
// https://github.com/ethers-io/ethers.js/blob/master/packages/abstract-provider/lib/index.d.ts
const to = (this.data.to && this.data.to.length == 42) ? this.data.to : null;
const _txData = {
blockHash: this.data.blockHash,
blockNumber: this.data.blockNumber.toNumber(),
transactionIndex: this.data.transactionIndex,
hash: this.data.hash,
from: this.data.from,
gasLimit: this.data.gasLimit.toHexString(),
gasPrice: this.data.gasPrice.toHexString(),
data: this.data.data,
nonce: this.data.nonce.toHexString(),
to,
value: this.data.value.toHexString(),
chainId: this.data.chainId.toNumber(),
//origin: this.data.origin.toHexString(),
};
return _txData;
}",
getHashOLD: "() => {
const _txData = {
gasPrice: this.data.gasPrice,
gasLimit: this.data.gasLimit,
from: this.data.from,
to: this.data.to,
value: this.data.value,
data: this.data.data,
nonce: this.data.nonce,
};
const strvalue = JSON.stringify(utils.orderedObject(_txData));
const transactionHash = ethers.utils.id(strvalue);
return transactionHash;
}",
getHash: "() => {
const _txData = {
gasPrice: this.data.gasPrice.toHexString(),
gasLimit: this.data.gasLimit.toHexString(),
from: this.data.from,
to: this.data.to,
value: this.data.value.toHexString(),
data: this.data.data,
nonce: this.data.nonce.toHexString(),
v: this.data.v ? ('0x' + this.data.v) : '',
r: this.data.r ? ('0x' + this.data.r) : '',
s: this.data.s ? ('0x' + this.data.s) : '',
};
const tx = new EthereumJS.Transaction(_txData);
const hashRaw = tx.hash();
const transactionHash = ethers.utils.defaultAbiCoder.decode(["uint256"], hashRaw)[0].toHexString();
return transactionHash;
}",
execute: "(block, transactionIndex, logIndexOffset) => {
const _tx = this;
function _rejectTransaction(reason) {
// https://openethereum.github.io/Transactions-Queue
reason = reason || 'unknown';
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] REJECTED PROCESSING TRANSACTION', _tx.data.hash, ' (Reason:', reason + ')');
const success = blockchain.removeTransactionsFromMempool([_tx.hash], true, true);
if (success) {
saveMempool();
}
throw new Error(reason); // on rejete definitivement la tx (elle ne sera pas minée ... et donc aucun frais de gas ne sera compté)
// et du coup on rejete le block
}
function _checkGas(step) {
execDuration = performance.now()/1000 - execTsStart; //parseFloat(process.hrtime(execTsStart).join('.'));
gasUsed = toBn(Math.round(execDuration * cpuPricePerSecond)); // TODO: prendre en compte le storage utilisé dans le calcul du gasUsed
txCost = gasUsed.mul(_tx.data.gasPrice);
if (step == 'afterTransfer') {
//debugger;
}
if (status) {
gasUsedEffective = gasUsed;
txCostEffective = gasUsedEffective.mul(_tx.data.gasPrice);
if (gasUsed.gt(_tx.data.gasLimit)) {
status = 0;
error = new Error('INSUFFICIENT_GAS');
gasUsedEffective = _tx.data.gasLimit;
txCostEffective = txCostLimit;
// emit event
const debugError = {
message: 'INSUFFICIENT_GAS',
step,
gasPrice: _tx.data.gasPrice,
gasLimit: _tx.data.gasLimit,
gasUsed,
gasUsedEffective,
txCostLimit,
txCost,
txCostEffective,
execDuration,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, _tx.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
}
}
//const block = this;
const txLogs = [];
let vmStorage = {};
let gasUsed = toBn(0);
let gasUsedEffective = toBn(0);
let status = 1;
let error = null;
let createdContractAddress = null;
let amountTransfered = toBn(0);
const contractAddress = this.data.to;
let storageBackup;
let balanceBackup;
let contractExecuted = false;
let contractDeployed = false;
const execTsStart = performance.now()/1000; //process.hrtime(); //Date.now();
let execDuration = 0;
const txCostLimit = this.data.gasLimit.mul(this.data.gasPrice);
let txCost = toBn(0);
let txCostEffective = toBn(0);
const accountFrom = blockchain.getAccount(this.data.from);
if (! accountFrom) {
_rejectTransaction('TRANSACTION_REJECTED_EMPTY_ACCOUNT');
}
const accountFromBalance = accountFrom.data.balance;
if (accountFrom.address != mintAddress) {
// verif nonce
const expectedNonce = toBn(accountFrom.data.transactions.length); // le nonce attendu est egal au nombre de transactions passées de l'account
if (! this.data.nonce.eq(expectedNonce)) {
_rejectTransaction('TRANSACTION_REJECTED_INCORRECT_NONCE');
}
// verif balance pour gas + transfer
if (this.data.value && this.data.value.gt(0)) {
if (accountFromBalance.lt(this.data.value.add(txCostLimit))) {
// l'adresse n'a pas suffisamment de fond pour executer la transaction (selon gasLimit)
// TODO: faut-il rejeter la tx ? ou la laisser passer (en status=0) et lui vider sa balance (si 100% du gas est utilisé) ?
//return _rejectTransaction('TRANSACTION_FAILED_INSUFFICIENT_ETH_BALANCE');
_rejectTransaction('TRANSACTION_REJECTED_INSUFFICIENT_ETH_BALANCE');
}
}
}
_checkGas('init');
if (status) {
if (this.data.value && this.data.value.gt(0) && contractAddress && contractAddress.length > 2) {
// Transfer la valeur demandée (simple ETH transaction)
const [transferResult, transferLogs, transferReverted] = blockchain.transferEth(this.data, block);
txLogs.push( ...transferLogs );
// si recipient == contract => on transfer quand meme dès maintenant => TODO: a revoir (le transferEth declenche un appel à receive ... avant meme de savoir si unne methode payable doit etre appelée. Probleme si receive provoque un revert => la fonction payable ne sera pas appelée)
// 1) si methode payable appellée, on l'execute
// 2) si methode non payable => on appelle receive juste avant
// 3) si methode inconnue => revert
if (transferResult && transferReverted) {
// reverted (after transfer)
amountTransfered = this.data.value;
status = 0;
error = new Error('TRANSFER_REVERTED');
} else if (transferResult) {
// success
amountTransfered = this.data.value;
} else {
// transfer failed
status = 0;
error = new Error('TRANSFER_FAILED');
}
}
_checkGas('afterTransfer');
}
const gasUsedBeforeContractExecution = gasUsed;
if (status && this.data.data && this.data.data != '0x') {
// Traitement du champ data de la transaction (smart contract call)
if (!contractAddress || contractAddress == '0x') {
// contract creation
contractDeployed = true;
let contractExecResult;
try {
contractExecResult = this.transactionDeployContract(block);
const creationLogs = contractExecResult.logs;
vmStorage = contractExecResult.storage;
if (creationLogs.length) {
txLogs.push( ...creationLogs );
}
if (! contractExecResult.result) {
// Deploy Failed
status = 0;
error = new Error('CONTRACT_CREATION_FAILED');
// emit event
const debugError = {
message: 'CONTRACT_CREATION_FAILED',
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
} else {
// Deploy Success
createdContractAddress = contractExecResult.result.toLowerCase();
if (this.data.value.gt(0)) {
// Transfer tx value to contract
const _txData = {
...this.data,
to: createdContractAddress,
};
const [transferResult, transferLogs, transferReverted] = blockchain.transferEth(_txData, block);
txLogs.push( ...transferLogs );
if (transferResult) {
amountTransfered = this.data.value;
} else {
status = 0;
error = new Error('CONTRACT_CREATION_TRANSFER_FAILED');
}
}
// TODO: emit event CONTRACT_CREATION_SUCCESS ?
}
} catch (e) {
//console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] Cannot execute transaction');
//throw e;
status = 0;
error = new Error('CONTRACT_CREATION_ERROR');
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] CONTRACT_CREATION_ERROR with message', e.message)
// emit event
const debugError = {
message: 'CONTRACT_CREATION_ERROR',
error: e.message,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
_checkGas('afterContractCreation');
} else {
// contract execution
const contractAccount = blockchain.getAccount(contractAddress);
if (! contractAccount) {
status = 0;
error = new Error('CONTRACT_ACCOUNT_NOT_FOUND');
// emit event
const debugError = {
message: 'CONTRACT_ACCOUNT_NOT_FOUND',
address: contractAddress,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
if (status) {
storageBackup = JSON.stringify(contractAccount.data.storage);
balanceBackup = contractAccount.data.balance;
contractExecuted = true;
try {
const contractExecResult = this.executeTransactionContract(block);
const internalLogs = contractExecResult.logs;
vmStorage = contractExecResult.storage;
if (internalLogs.length) {
txLogs.push( ...internalLogs );
}
if (! contractExecResult.result) {
status = 0;
error = new Error('CONTRACT_EXEC_FAILED');
// emit event
const debugError = {
message: 'CONTRACT_EXEC_FAILED',
address: contractAddress,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
} catch (e) {
status = 0;
error = new Error('CONTRACT_EXEC_ERROR');
// emit event
const debugError = {
message: 'CONTRACT_EXEC_ERROR',
address: contractAddress,
error: e.message,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
}
_checkGas('afterContractCall');
}
}
const gasUsedAfterContractExecution = gasUsed;
const gasUsedInContractExecution = gasUsedAfterContractExecution.sub(gasUsedBeforeContractExecution);
const contractExecutionCost = gasUsedInContractExecution.mul(_tx.data.gasPrice);
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] execDuration =', (Math.round(execDuration * 1000000) / 1000000), ' seconds');
if (txCostEffective.gt(0)) {
// Gas payment
//const minerAccount = blockchain.getAccount(block.data.miner, true);
//const gasPaymentResult = minerAccount.transferFrom(accountFrom.address, txCostEffective);
const txDataGasPayment = {
from: accountFrom.address,
to: block.data.miner,
value: txCostEffective,
};
const [gasPaymentResult, gasPaymentLogs, transferReverted] = blockchain.transferEth(txDataGasPayment, block, true);
txLogs.push(...gasPaymentLogs);
if (gasPaymentResult) {
// gas payment success
} else {
// gas payment failed => reject transaction (and block)
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] Gas payment failed');
_rejectTransaction('GAS_PAYMENT_FAILED');
}
if (false) {
// DEBUG
const gasPercent = gasUsed.mul(100).div(this.data.gasLimit).toNumber();
const gasEffectivePercent = gasUsedEffective.mul(100).div(this.data.gasLimit).toNumber();
const costPercent = txCost.mul(100).div(txCostLimit).toNumber();
const costEffectivePercent = txCostEffective.mul(100).div(txCostLimit).toNumber();
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] txCostLimit =', ethers.utils.formatEther(txCostLimit));
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] txCostEffective =', ethers.utils.formatEther(txCostEffective));
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] gas % =', Math.round(gasPercent), '% =', Math.round(gasEffectivePercent), '%');
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] cost % =', Math.round(costPercent), '%', Math.round(costEffectivePercent), '%');
}
}
if (accountFrom.address != mintAddress) {
const accountFromBalanceAtEnd = blockchain.getAccountBalance(accountFrom.address);
if (accountFromBalanceAtEnd.lt(0)){
_rejectTransaction('TRANSACTION_FAILED_INSUFFICIENT_ETH_BALANCE_AT_END');
}
}
if (! status) {
// Transaction Failed
// Revert transfer
if (amountTransfered.gt(0)) {
const txDataRevert = {
...this.data,
from: this.data.to,
to: this.data.from,
value: amountTransfered,
};
const [transferResult, transferLogs, transferReverted] = blockchain.transferEth(txDataRevert, block);
// TODO: gerer le revert des internal transfers
}
txLogs.forEach(log => {
log.removed = true;
});
// Revert contract storage
if (contractExecuted) {
const contractAccount = blockchain.getAccount(contractAddress);
contractAccount.data.storage = JSON.parse(storageBackup, utils.bnJsonParser);
contractAccount.data.balance = balanceBackup;
} else if (amountTransfered) {
// on check aussi amountTransfered car le contrat peut avoir été exécuté via receive => TODO: process a revoir
const contractAccount = blockchain.getAccount(contractAddress);
if (contractAccount && contractAccount.isContract()) {
//contractAccount.data.storage = JSON.parse(storageBackup, utils.bnJsonParser);
//contractAccount.data.balance = balanceBackup;
// TODO
}
}
// Revert deployed contract
if (contractDeployed) {
// nothing to do ?
}
const gasPercent = gasUsed.mul(100).div(this.data.gasLimit).toNumber();
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] FAILED TRANSACTION ', this.data.hash, '| gas usage percent =', gasPercent, '%', ' | Error: ', error.message);
const realExecDuration = performance.now()/1000 - execTsStart; //parseFloat(process.hrtime(execTsStart).join('.'));
const realGasUsed = toBn(Math.round(realExecDuration * cpuPricePerSecond)); // TODO: prendre en compte le storage utilisé dans le calcul du gasUsed
const realGasPercent = realGasUsed.mul(100).div(this.data.gasLimit).toNumber();
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] FAILED TRANSACTION ', this.data.hash, '| real gas usage percent =', realGasPercent, '%', ' | Error: ', error.message);
} else {
// Transaction Success
// save contract storage
Object.entries(vmStorage).forEach((entry, idx) => {
const [contractAddress, contractStorage] = entry;
const contractAccount = blockchain.getAccount(contractAddress, true);
contractAccount.data.storage = contractStorage;
contractAccount.save();
});
// show result (debug)
const gasPercent = gasUsed.mul(100).div(this.data.gasLimit).toNumber();;
console.log(utils.getDate(), "[BLOCKCHAIN]", 'SUCCECSS TRANSACTION ', this.data.hash, '| gas usage percent =', gasPercent, '%');
}
// total gas utilisé dans le block
block.data.gasUsed = block.data.gasUsed.add(gasUsed);
// assign block data on logs
txLogs.forEach((txLog, idx) => {
txLog.data.transactionIndex = transactionIndex;
txLog.data.logIndex = logIndexOffset + idx;
txLog.data.transactionHash = this.data.hash;
txLog.data.blockHash = block.hash;
txLog.data.blockNumber = block.data.number;
});
const receiptData = {
transactionHash: this.data.hash,
transactionIndex: transactionIndex,
blockNumber: block.data.number,
blockHash: block.hash,
//logsBloom: '0x0000',
contractAddress: createdContractAddress,
gasUsed,
cumulativeGasUsed: block.data.gasUsed,
effectiveGasPrice: this.data.gasPrice,
effectiveCost: this.data.gasPrice.mul(gasUsed),
logs: txLogs,
status,
}
const receipt = new Receipt(blockchain, receiptData);
return [receipt, txLogs];
}",
executeTransactionContract: "(block) => {
let contractAddress = this.data.to;
const isNullRecipient = (! contractAddress || contractAddress.length <= 2);
if (isNullRecipient) {
throw new Error('CONTRACT_EXEC_ADDRESS_INVALID_BUG_1');
}
const contractAccount = blockchain.getAccount(contractAddress);
if (! contractAccount) {
throw new Error('CONTRACT_EXEC_ACCOUNT_NOT_FOUND');
}
// Execute existing contract method call
return blockchain.callContractMethodInVM(this.data, block);
}",
transactionDeployContract: "(block) => {
let contractAddress = this.data.to;
let contractAccount;
if (contractAddress && contractAddress.length > 2) {
throw new Error('CONTRACT_DEPLOY_ADDRESS_INVALID_BUG_2');
}
// CONTRACT CREATION
if (! this.data.data || this.data.data.length <= 2) {
throw new Error('CONTRACT_DEPLOY_INVALID_DATA_EMPTY_CODE');
}
// build contract address
contractAddress = ethers.utils.getContractAddress(this.data).toLocaleLowerCase();
// parse contract source code & constructor parameters
const codes = ethers.utils.defaultAbiCoder.decode(["string", "string"], this.data.data);
if (! codes) {
throw new Error('CONTRACT_DEPLOY_CODE_PARSING_FAILED');
}
const sourceCode = codes[0];
const constructorParams = codes[1];
const constructorRawParams = ethers.utils.defaultAbiCoder.encode(["string"], [constructorParams]);
const codeHash = ethers.utils.id(sourceCode);
const codeAbi = null; // l'abi sera généré une fois que le contrat aura été instancié
const storageHash = ethers.utils.id('{}');
// create new account
const accountData = {
address: contractAddress,
code: sourceCode,
codeHash,
codeAbi,
storage: {},
storageHash,
};
contractAccount = blockchain.createAccount(contractAddress, accountData);
// instanciate contract + call constructor + recuperer storage
const txData = {
from: this.data.from,
to: contractAddress,
data: constructorRawParams,
value: this.data.value.toHexString(),
};
const callResult = blockchain.deployContractInVM(txData, block);
const creationLogs = callResult.logs;
const vmStorage = callResult.storage;
// emit event
const eventParams = [
contractAddress,
];
const _txData = {
...this.data,
to: blockchain.getNullAddress(),
}
const deployLog = new TxLog(blockchain, null, _txData, 'ContractCreated', eventParams, deployAbi);
creationLogs.push(deployLog);
return {
result: contractAddress,
logs: creationLogs,
storage: vmStorage,
};
}",
timestamp: "1651572503759",
status: 1,
gasUsed: "28281"
},
0x1964b5ae0f32659b2cc50f7aa8e2f2d7cb213197adb64008206f1b32ba49aa2f: {
data: {
blockHash: "0x005498770261f4434741d0cf1dfa974209ba73a8612d9137eb0491ecc252ff63",
blockNumber: "1",
transactionIndex: 1,
hash: "0x1964b5ae0f32659b2cc50f7aa8e2f2d7cb213197adb64008206f1b32ba49aa2f",
from: "0x131a190fa22cb867abf58193bf9e7640e9fce682",
gasLimit: "1073150",
gasPrice: "1000000000",
data: 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hash: "0x1964b5ae0f32659b2cc50f7aa8e2f2d7cb213197adb64008206f1b32ba49aa2f",
load: "() => {
const transactionFile = config.node.dataDir + '/transactions/' + this.hash + '.json';
if (! fs.existsSync(transactionFile)) {
console.warn(utils.getDate(), "[BLOCKCHAIN]", 'IMPORT Transaction not found', this.hash);
throw new Error('IMPORT_TRANSACTION_NOT_FOUND_DATABASE_CORRUPTED');
}
const transactionJson = fs.readFileSync(transactionFile);
transactionData = JSON.parse(transactionJson, utils.bnJsonParser);
this.data = (typeof transactionData == 'TransactionData') ? transactionData : new TransactionData(transactionData);
return true;
}",
save: "() => {
const transactionFile = config.node.dataDir + '/transactions/' + this.hash + '.json';
fs.writeFileSync(transactionFile, JSON.stringify(this.data));
return true;
}",
getReceipt: "() => {
return blockchain.getTransactionReceiptByHash(this.hash);
}",
getBlock: "() => {
return blockchain.getBlockByHash(this.data.blockHash);
}",
getBlockTransationPrev: "() => {
const block = this.getBlock();
const txPrevIdx = (this.data.transactionIndex > 0) ? (this.data.transactionIndex-1) : null;
const tx = (block && txPrevIdx in block.transactions) ? block.transactions[txPrevIdx] : null;
return tx;
}",
getBlockTransationNext: "() => {
const block = this.getBlock();
const txNextIdx = (this.data.transactionIndex < block.transactions.length - 1) ? (this.data.transactionIndex+1) : null;
const tx = (block && txNextIdx in block.transactions) ? block.transactions[txNextIdx] : null;
return tx;
}",
getAccountTransactionIndex: "() => {
const account = blockchain.getAccount(this.data.from);
if (! account) {
return null;
}
const txIdx = account.data.transactions.findIndex(transactionHash => blockchain.getTransactionByHash(transactionHash).hash == this.hash);
if (txIdx === -1) {
return null;
}
return txIdx;
}",
getAccountTransationPrev: "() => {
const account = blockchain.getAccount(this.data.from);
if (! account) {
return null;
}
const txIdx = this.getAccountTransactionIndex();
if (txIdx === null) {
return null;
}
const txPrevIdx = (txIdx > 0) ? (txIdx-1) : null;
const transactionHash = (txPrevIdx in account.data.transactions) ? account.data.transactions[txPrevIdx] : null;
if (! transactionHash) {
return null;
}
return blockchain.getTransactionByHash(transactionHash);
}",
getAccountTransationNext: "() => {
const account = blockchain.getAccount(this.data.from);
if (! account) {
return null;
}
const txIdx = this.getAccountTransactionIndex();
if (txIdx === null) {
return null;
}
const txNextIdx = (txIdx < account.data.transactions.length - 1) ? (txIdx+1) : null;
const transactionHash = (txNextIdx in account.data.transactions) ? account.data.transactions[txNextIdx] : null;
if (! transactionHash) {
return null;
}
return blockchain.getTransactionByHash(transactionHash);
}",
formatRpc: "() => {
// https://github.com/ethers-io/ethers.js/blob/master/packages/abstract-provider/lib/index.d.ts
const to = (this.data.to && this.data.to.length == 42) ? this.data.to : null;
const _txData = {
blockHash: this.data.blockHash,
blockNumber: this.data.blockNumber.toNumber(),
transactionIndex: this.data.transactionIndex,
hash: this.data.hash,
from: this.data.from,
gasLimit: this.data.gasLimit.toHexString(),
gasPrice: this.data.gasPrice.toHexString(),
data: this.data.data,
nonce: this.data.nonce.toHexString(),
to,
value: this.data.value.toHexString(),
chainId: this.data.chainId.toNumber(),
//origin: this.data.origin.toHexString(),
};
return _txData;
}",
getHashOLD: "() => {
const _txData = {
gasPrice: this.data.gasPrice,
gasLimit: this.data.gasLimit,
from: this.data.from,
to: this.data.to,
value: this.data.value,
data: this.data.data,
nonce: this.data.nonce,
};
const strvalue = JSON.stringify(utils.orderedObject(_txData));
const transactionHash = ethers.utils.id(strvalue);
return transactionHash;
}",
getHash: "() => {
const _txData = {
gasPrice: this.data.gasPrice.toHexString(),
gasLimit: this.data.gasLimit.toHexString(),
from: this.data.from,
to: this.data.to,
value: this.data.value.toHexString(),
data: this.data.data,
nonce: this.data.nonce.toHexString(),
v: this.data.v ? ('0x' + this.data.v) : '',
r: this.data.r ? ('0x' + this.data.r) : '',
s: this.data.s ? ('0x' + this.data.s) : '',
};
const tx = new EthereumJS.Transaction(_txData);
const hashRaw = tx.hash();
const transactionHash = ethers.utils.defaultAbiCoder.decode(["uint256"], hashRaw)[0].toHexString();
return transactionHash;
}",
execute: "(block, transactionIndex, logIndexOffset) => {
const _tx = this;
function _rejectTransaction(reason) {
// https://openethereum.github.io/Transactions-Queue
reason = reason || 'unknown';
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] REJECTED PROCESSING TRANSACTION', _tx.data.hash, ' (Reason:', reason + ')');
const success = blockchain.removeTransactionsFromMempool([_tx.hash], true, true);
if (success) {
saveMempool();
}
throw new Error(reason); // on rejete definitivement la tx (elle ne sera pas minée ... et donc aucun frais de gas ne sera compté)
// et du coup on rejete le block
}
function _checkGas(step) {
execDuration = performance.now()/1000 - execTsStart; //parseFloat(process.hrtime(execTsStart).join('.'));
gasUsed = toBn(Math.round(execDuration * cpuPricePerSecond)); // TODO: prendre en compte le storage utilisé dans le calcul du gasUsed
txCost = gasUsed.mul(_tx.data.gasPrice);
if (step == 'afterTransfer') {
//debugger;
}
if (status) {
gasUsedEffective = gasUsed;
txCostEffective = gasUsedEffective.mul(_tx.data.gasPrice);
if (gasUsed.gt(_tx.data.gasLimit)) {
status = 0;
error = new Error('INSUFFICIENT_GAS');
gasUsedEffective = _tx.data.gasLimit;
txCostEffective = txCostLimit;
// emit event
const debugError = {
message: 'INSUFFICIENT_GAS',
step,
gasPrice: _tx.data.gasPrice,
gasLimit: _tx.data.gasLimit,
gasUsed,
gasUsedEffective,
txCostLimit,
txCost,
txCostEffective,
execDuration,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, _tx.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
}
}
//const block = this;
const txLogs = [];
let vmStorage = {};
let gasUsed = toBn(0);
let gasUsedEffective = toBn(0);
let status = 1;
let error = null;
let createdContractAddress = null;
let amountTransfered = toBn(0);
const contractAddress = this.data.to;
let storageBackup;
let balanceBackup;
let contractExecuted = false;
let contractDeployed = false;
const execTsStart = performance.now()/1000; //process.hrtime(); //Date.now();
let execDuration = 0;
const txCostLimit = this.data.gasLimit.mul(this.data.gasPrice);
let txCost = toBn(0);
let txCostEffective = toBn(0);
const accountFrom = blockchain.getAccount(this.data.from);
if (! accountFrom) {
_rejectTransaction('TRANSACTION_REJECTED_EMPTY_ACCOUNT');
}
const accountFromBalance = accountFrom.data.balance;
if (accountFrom.address != mintAddress) {
// verif nonce
const expectedNonce = toBn(accountFrom.data.transactions.length); // le nonce attendu est egal au nombre de transactions passées de l'account
if (! this.data.nonce.eq(expectedNonce)) {
_rejectTransaction('TRANSACTION_REJECTED_INCORRECT_NONCE');
}
// verif balance pour gas + transfer
if (this.data.value && this.data.value.gt(0)) {
if (accountFromBalance.lt(this.data.value.add(txCostLimit))) {
// l'adresse n'a pas suffisamment de fond pour executer la transaction (selon gasLimit)
// TODO: faut-il rejeter la tx ? ou la laisser passer (en status=0) et lui vider sa balance (si 100% du gas est utilisé) ?
//return _rejectTransaction('TRANSACTION_FAILED_INSUFFICIENT_ETH_BALANCE');
_rejectTransaction('TRANSACTION_REJECTED_INSUFFICIENT_ETH_BALANCE');
}
}
}
_checkGas('init');
if (status) {
if (this.data.value && this.data.value.gt(0) && contractAddress && contractAddress.length > 2) {
// Transfer la valeur demandée (simple ETH transaction)
const [transferResult, transferLogs, transferReverted] = blockchain.transferEth(this.data, block);
txLogs.push( ...transferLogs );
// si recipient == contract => on transfer quand meme dès maintenant => TODO: a revoir (le transferEth declenche un appel à receive ... avant meme de savoir si unne methode payable doit etre appelée. Probleme si receive provoque un revert => la fonction payable ne sera pas appelée)
// 1) si methode payable appellée, on l'execute
// 2) si methode non payable => on appelle receive juste avant
// 3) si methode inconnue => revert
if (transferResult && transferReverted) {
// reverted (after transfer)
amountTransfered = this.data.value;
status = 0;
error = new Error('TRANSFER_REVERTED');
} else if (transferResult) {
// success
amountTransfered = this.data.value;
} else {
// transfer failed
status = 0;
error = new Error('TRANSFER_FAILED');
}
}
_checkGas('afterTransfer');
}
const gasUsedBeforeContractExecution = gasUsed;
if (status && this.data.data && this.data.data != '0x') {
// Traitement du champ data de la transaction (smart contract call)
if (!contractAddress || contractAddress == '0x') {
// contract creation
contractDeployed = true;
let contractExecResult;
try {
contractExecResult = this.transactionDeployContract(block);
const creationLogs = contractExecResult.logs;
vmStorage = contractExecResult.storage;
if (creationLogs.length) {
txLogs.push( ...creationLogs );
}
if (! contractExecResult.result) {
// Deploy Failed
status = 0;
error = new Error('CONTRACT_CREATION_FAILED');
// emit event
const debugError = {
message: 'CONTRACT_CREATION_FAILED',
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
} else {
// Deploy Success
createdContractAddress = contractExecResult.result.toLowerCase();
if (this.data.value.gt(0)) {
// Transfer tx value to contract
const _txData = {
...this.data,
to: createdContractAddress,
};
const [transferResult, transferLogs, transferReverted] = blockchain.transferEth(_txData, block);
txLogs.push( ...transferLogs );
if (transferResult) {
amountTransfered = this.data.value;
} else {
status = 0;
error = new Error('CONTRACT_CREATION_TRANSFER_FAILED');
}
}
// TODO: emit event CONTRACT_CREATION_SUCCESS ?
}
} catch (e) {
//console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] Cannot execute transaction');
//throw e;
status = 0;
error = new Error('CONTRACT_CREATION_ERROR');
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] CONTRACT_CREATION_ERROR with message', e.message)
// emit event
const debugError = {
message: 'CONTRACT_CREATION_ERROR',
error: e.message,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
_checkGas('afterContractCreation');
} else {
// contract execution
const contractAccount = blockchain.getAccount(contractAddress);
if (! contractAccount) {
status = 0;
error = new Error('CONTRACT_ACCOUNT_NOT_FOUND');
// emit event
const debugError = {
message: 'CONTRACT_ACCOUNT_NOT_FOUND',
address: contractAddress,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
if (status) {
storageBackup = JSON.stringify(contractAccount.data.storage);
balanceBackup = contractAccount.data.balance;
contractExecuted = true;
try {
const contractExecResult = this.executeTransactionContract(block);
const internalLogs = contractExecResult.logs;
vmStorage = contractExecResult.storage;
if (internalLogs.length) {
txLogs.push( ...internalLogs );
}
if (! contractExecResult.result) {
status = 0;
error = new Error('CONTRACT_EXEC_FAILED');
// emit event
const debugError = {
message: 'CONTRACT_EXEC_FAILED',
address: contractAddress,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
} catch (e) {
status = 0;
error = new Error('CONTRACT_EXEC_ERROR');
// emit event
const debugError = {
message: 'CONTRACT_EXEC_ERROR',
address: contractAddress,
error: e.message,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
}
_checkGas('afterContractCall');
}
}
const gasUsedAfterContractExecution = gasUsed;
const gasUsedInContractExecution = gasUsedAfterContractExecution.sub(gasUsedBeforeContractExecution);
const contractExecutionCost = gasUsedInContractExecution.mul(_tx.data.gasPrice);
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] execDuration =', (Math.round(execDuration * 1000000) / 1000000), ' seconds');
if (txCostEffective.gt(0)) {
// Gas payment
//const minerAccount = blockchain.getAccount(block.data.miner, true);
//const gasPaymentResult = minerAccount.transferFrom(accountFrom.address, txCostEffective);
const txDataGasPayment = {
from: accountFrom.address,
to: block.data.miner,
value: txCostEffective,
};
const [gasPaymentResult, gasPaymentLogs, transferReverted] = blockchain.transferEth(txDataGasPayment, block, true);
txLogs.push(...gasPaymentLogs);
if (gasPaymentResult) {
// gas payment success
} else {
// gas payment failed => reject transaction (and block)
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] Gas payment failed');
_rejectTransaction('GAS_PAYMENT_FAILED');
}
if (false) {
// DEBUG
const gasPercent = gasUsed.mul(100).div(this.data.gasLimit).toNumber();
const gasEffectivePercent = gasUsedEffective.mul(100).div(this.data.gasLimit).toNumber();
const costPercent = txCost.mul(100).div(txCostLimit).toNumber();
const costEffectivePercent = txCostEffective.mul(100).div(txCostLimit).toNumber();
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] txCostLimit =', ethers.utils.formatEther(txCostLimit));
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] txCostEffective =', ethers.utils.formatEther(txCostEffective));
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] gas % =', Math.round(gasPercent), '% =', Math.round(gasEffectivePercent), '%');
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] cost % =', Math.round(costPercent), '%', Math.round(costEffectivePercent), '%');
}
}
if (accountFrom.address != mintAddress) {
const accountFromBalanceAtEnd = blockchain.getAccountBalance(accountFrom.address);
if (accountFromBalanceAtEnd.lt(0)){
_rejectTransaction('TRANSACTION_FAILED_INSUFFICIENT_ETH_BALANCE_AT_END');
}
}
if (! status) {
// Transaction Failed
// Revert transfer
if (amountTransfered.gt(0)) {
const txDataRevert = {
...this.data,
from: this.data.to,
to: this.data.from,
value: amountTransfered,
};
const [transferResult, transferLogs, transferReverted] = blockchain.transferEth(txDataRevert, block);
// TODO: gerer le revert des internal transfers
}
txLogs.forEach(log => {
log.removed = true;
});
// Revert contract storage
if (contractExecuted) {
const contractAccount = blockchain.getAccount(contractAddress);
contractAccount.data.storage = JSON.parse(storageBackup, utils.bnJsonParser);
contractAccount.data.balance = balanceBackup;
} else if (amountTransfered) {
// on check aussi amountTransfered car le contrat peut avoir été exécuté via receive => TODO: process a revoir
const contractAccount = blockchain.getAccount(contractAddress);
if (contractAccount && contractAccount.isContract()) {
//contractAccount.data.storage = JSON.parse(storageBackup, utils.bnJsonParser);
//contractAccount.data.balance = balanceBackup;
// TODO
}
}
// Revert deployed contract
if (contractDeployed) {
// nothing to do ?
}
const gasPercent = gasUsed.mul(100).div(this.data.gasLimit).toNumber();
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] FAILED TRANSACTION ', this.data.hash, '| gas usage percent =', gasPercent, '%', ' | Error: ', error.message);
const realExecDuration = performance.now()/1000 - execTsStart; //parseFloat(process.hrtime(execTsStart).join('.'));
const realGasUsed = toBn(Math.round(realExecDuration * cpuPricePerSecond)); // TODO: prendre en compte le storage utilisé dans le calcul du gasUsed
const realGasPercent = realGasUsed.mul(100).div(this.data.gasLimit).toNumber();
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] FAILED TRANSACTION ', this.data.hash, '| real gas usage percent =', realGasPercent, '%', ' | Error: ', error.message);
} else {
// Transaction Success
// save contract storage
Object.entries(vmStorage).forEach((entry, idx) => {
const [contractAddress, contractStorage] = entry;
const contractAccount = blockchain.getAccount(contractAddress, true);
contractAccount.data.storage = contractStorage;
contractAccount.save();
});
// show result (debug)
const gasPercent = gasUsed.mul(100).div(this.data.gasLimit).toNumber();;
console.log(utils.getDate(), "[BLOCKCHAIN]", 'SUCCECSS TRANSACTION ', this.data.hash, '| gas usage percent =', gasPercent, '%');
}
// total gas utilisé dans le block
block.data.gasUsed = block.data.gasUsed.add(gasUsed);
// assign block data on logs
txLogs.forEach((txLog, idx) => {
txLog.data.transactionIndex = transactionIndex;
txLog.data.logIndex = logIndexOffset + idx;
txLog.data.transactionHash = this.data.hash;
txLog.data.blockHash = block.hash;
txLog.data.blockNumber = block.data.number;
});
const receiptData = {
transactionHash: this.data.hash,
transactionIndex: transactionIndex,
blockNumber: block.data.number,
blockHash: block.hash,
//logsBloom: '0x0000',
contractAddress: createdContractAddress,
gasUsed,
cumulativeGasUsed: block.data.gasUsed,
effectiveGasPrice: this.data.gasPrice,
effectiveCost: this.data.gasPrice.mul(gasUsed),
logs: txLogs,
status,
}
const receipt = new Receipt(blockchain, receiptData);
return [receipt, txLogs];
}",
executeTransactionContract: "(block) => {
let contractAddress = this.data.to;
const isNullRecipient = (! contractAddress || contractAddress.length <= 2);
if (isNullRecipient) {
throw new Error('CONTRACT_EXEC_ADDRESS_INVALID_BUG_1');
}
const contractAccount = blockchain.getAccount(contractAddress);
if (! contractAccount) {
throw new Error('CONTRACT_EXEC_ACCOUNT_NOT_FOUND');
}
// Execute existing contract method call
return blockchain.callContractMethodInVM(this.data, block);
}",
transactionDeployContract: "(block) => {
let contractAddress = this.data.to;
let contractAccount;
if (contractAddress && contractAddress.length > 2) {
throw new Error('CONTRACT_DEPLOY_ADDRESS_INVALID_BUG_2');
}
// CONTRACT CREATION
if (! this.data.data || this.data.data.length <= 2) {
throw new Error('CONTRACT_DEPLOY_INVALID_DATA_EMPTY_CODE');
}
// build contract address
contractAddress = ethers.utils.getContractAddress(this.data).toLocaleLowerCase();
// parse contract source code & constructor parameters
const codes = ethers.utils.defaultAbiCoder.decode(["string", "string"], this.data.data);
if (! codes) {
throw new Error('CONTRACT_DEPLOY_CODE_PARSING_FAILED');
}
const sourceCode = codes[0];
const constructorParams = codes[1];
const constructorRawParams = ethers.utils.defaultAbiCoder.encode(["string"], [constructorParams]);
const codeHash = ethers.utils.id(sourceCode);
const codeAbi = null; // l'abi sera généré une fois que le contrat aura été instancié
const storageHash = ethers.utils.id('{}');
// create new account
const accountData = {
address: contractAddress,
code: sourceCode,
codeHash,
codeAbi,
storage: {},
storageHash,
};
contractAccount = blockchain.createAccount(contractAddress, accountData);
// instanciate contract + call constructor + recuperer storage
const txData = {
from: this.data.from,
to: contractAddress,
data: constructorRawParams,
value: this.data.value.toHexString(),
};
const callResult = blockchain.deployContractInVM(txData, block);
const creationLogs = callResult.logs;
const vmStorage = callResult.storage;
// emit event
const eventParams = [
contractAddress,
];
const _txData = {
...this.data,
to: blockchain.getNullAddress(),
}
const deployLog = new TxLog(blockchain, null, _txData, 'ContractCreated', eventParams, deployAbi);
creationLogs.push(deployLog);
return {
result: contractAddress,
logs: creationLogs,
storage: vmStorage,
};
}",
timestamp: "1651572503759",
status: 1,
gasUsed: "43025"
},
0x04abb86e2b5e444838e6b3bd8ba622183c57a135c08f96fff703520d4d5a886b: {
data: {
blockHash: "0x00a4160dc73d5ae90b2375fe405b56005fa5693009c9c23d62b129f878aec822",
blockNumber: "2",
transactionIndex: 0,
hash: "0x04abb86e2b5e444838e6b3bd8ba622183c57a135c08f96fff703520d4d5a886b",
from: "0x0000000000000000000000000000000000000001",
gasLimit: "1000000000000000000",
gasPrice: "0",
data: "0x",
nonce: "1",
to: "0xccf8ba457dcad7ee6a0361c96846a0f79744b113",
value: "250000000000000000000",
chainId: "3615",
origin: "1651572508924",
v: "",
r: "",
s: ""
},
hash: "0x04abb86e2b5e444838e6b3bd8ba622183c57a135c08f96fff703520d4d5a886b",
load: "() => {
const transactionFile = config.node.dataDir + '/transactions/' + this.hash + '.json';
if (! fs.existsSync(transactionFile)) {
console.warn(utils.getDate(), "[BLOCKCHAIN]", 'IMPORT Transaction not found', this.hash);
throw new Error('IMPORT_TRANSACTION_NOT_FOUND_DATABASE_CORRUPTED');
}
const transactionJson = fs.readFileSync(transactionFile);
transactionData = JSON.parse(transactionJson, utils.bnJsonParser);
this.data = (typeof transactionData == 'TransactionData') ? transactionData : new TransactionData(transactionData);
return true;
}",
save: "() => {
const transactionFile = config.node.dataDir + '/transactions/' + this.hash + '.json';
fs.writeFileSync(transactionFile, JSON.stringify(this.data));
return true;
}",
getReceipt: "() => {
return blockchain.getTransactionReceiptByHash(this.hash);
}",
getBlock: "() => {
return blockchain.getBlockByHash(this.data.blockHash);
}",
getBlockTransationPrev: "() => {
const block = this.getBlock();
const txPrevIdx = (this.data.transactionIndex > 0) ? (this.data.transactionIndex-1) : null;
const tx = (block && txPrevIdx in block.transactions) ? block.transactions[txPrevIdx] : null;
return tx;
}",
getBlockTransationNext: "() => {
const block = this.getBlock();
const txNextIdx = (this.data.transactionIndex < block.transactions.length - 1) ? (this.data.transactionIndex+1) : null;
const tx = (block && txNextIdx in block.transactions) ? block.transactions[txNextIdx] : null;
return tx;
}",
getAccountTransactionIndex: "() => {
const account = blockchain.getAccount(this.data.from);
if (! account) {
return null;
}
const txIdx = account.data.transactions.findIndex(transactionHash => blockchain.getTransactionByHash(transactionHash).hash == this.hash);
if (txIdx === -1) {
return null;
}
return txIdx;
}",
getAccountTransationPrev: "() => {
const account = blockchain.getAccount(this.data.from);
if (! account) {
return null;
}
const txIdx = this.getAccountTransactionIndex();
if (txIdx === null) {
return null;
}
const txPrevIdx = (txIdx > 0) ? (txIdx-1) : null;
const transactionHash = (txPrevIdx in account.data.transactions) ? account.data.transactions[txPrevIdx] : null;
if (! transactionHash) {
return null;
}
return blockchain.getTransactionByHash(transactionHash);
}",
getAccountTransationNext: "() => {
const account = blockchain.getAccount(this.data.from);
if (! account) {
return null;
}
const txIdx = this.getAccountTransactionIndex();
if (txIdx === null) {
return null;
}
const txNextIdx = (txIdx < account.data.transactions.length - 1) ? (txIdx+1) : null;
const transactionHash = (txNextIdx in account.data.transactions) ? account.data.transactions[txNextIdx] : null;
if (! transactionHash) {
return null;
}
return blockchain.getTransactionByHash(transactionHash);
}",
formatRpc: "() => {
// https://github.com/ethers-io/ethers.js/blob/master/packages/abstract-provider/lib/index.d.ts
const to = (this.data.to && this.data.to.length == 42) ? this.data.to : null;
const _txData = {
blockHash: this.data.blockHash,
blockNumber: this.data.blockNumber.toNumber(),
transactionIndex: this.data.transactionIndex,
hash: this.data.hash,
from: this.data.from,
gasLimit: this.data.gasLimit.toHexString(),
gasPrice: this.data.gasPrice.toHexString(),
data: this.data.data,
nonce: this.data.nonce.toHexString(),
to,
value: this.data.value.toHexString(),
chainId: this.data.chainId.toNumber(),
//origin: this.data.origin.toHexString(),
};
return _txData;
}",
getHashOLD: "() => {
const _txData = {
gasPrice: this.data.gasPrice,
gasLimit: this.data.gasLimit,
from: this.data.from,
to: this.data.to,
value: this.data.value,
data: this.data.data,
nonce: this.data.nonce,
};
const strvalue = JSON.stringify(utils.orderedObject(_txData));
const transactionHash = ethers.utils.id(strvalue);
return transactionHash;
}",
getHash: "() => {
const _txData = {
gasPrice: this.data.gasPrice.toHexString(),
gasLimit: this.data.gasLimit.toHexString(),
from: this.data.from,
to: this.data.to,
value: this.data.value.toHexString(),
data: this.data.data,
nonce: this.data.nonce.toHexString(),
v: this.data.v ? ('0x' + this.data.v) : '',
r: this.data.r ? ('0x' + this.data.r) : '',
s: this.data.s ? ('0x' + this.data.s) : '',
};
const tx = new EthereumJS.Transaction(_txData);
const hashRaw = tx.hash();
const transactionHash = ethers.utils.defaultAbiCoder.decode(["uint256"], hashRaw)[0].toHexString();
return transactionHash;
}",
execute: "(block, transactionIndex, logIndexOffset) => {
const _tx = this;
function _rejectTransaction(reason) {
// https://openethereum.github.io/Transactions-Queue
reason = reason || 'unknown';
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] REJECTED PROCESSING TRANSACTION', _tx.data.hash, ' (Reason:', reason + ')');
const success = blockchain.removeTransactionsFromMempool([_tx.hash], true, true);
if (success) {
saveMempool();
}
throw new Error(reason); // on rejete definitivement la tx (elle ne sera pas minée ... et donc aucun frais de gas ne sera compté)
// et du coup on rejete le block
}
function _checkGas(step) {
execDuration = performance.now()/1000 - execTsStart; //parseFloat(process.hrtime(execTsStart).join('.'));
gasUsed = toBn(Math.round(execDuration * cpuPricePerSecond)); // TODO: prendre en compte le storage utilisé dans le calcul du gasUsed
txCost = gasUsed.mul(_tx.data.gasPrice);
if (step == 'afterTransfer') {
//debugger;
}
if (status) {
gasUsedEffective = gasUsed;
txCostEffective = gasUsedEffective.mul(_tx.data.gasPrice);
if (gasUsed.gt(_tx.data.gasLimit)) {
status = 0;
error = new Error('INSUFFICIENT_GAS');
gasUsedEffective = _tx.data.gasLimit;
txCostEffective = txCostLimit;
// emit event
const debugError = {
message: 'INSUFFICIENT_GAS',
step,
gasPrice: _tx.data.gasPrice,
gasLimit: _tx.data.gasLimit,
gasUsed,
gasUsedEffective,
txCostLimit,
txCost,
txCostEffective,
execDuration,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, _tx.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
}
}
//const block = this;
const txLogs = [];
let vmStorage = {};
let gasUsed = toBn(0);
let gasUsedEffective = toBn(0);
let status = 1;
let error = null;
let createdContractAddress = null;
let amountTransfered = toBn(0);
const contractAddress = this.data.to;
let storageBackup;
let balanceBackup;
let contractExecuted = false;
let contractDeployed = false;
const execTsStart = performance.now()/1000; //process.hrtime(); //Date.now();
let execDuration = 0;
const txCostLimit = this.data.gasLimit.mul(this.data.gasPrice);
let txCost = toBn(0);
let txCostEffective = toBn(0);
const accountFrom = blockchain.getAccount(this.data.from);
if (! accountFrom) {
_rejectTransaction('TRANSACTION_REJECTED_EMPTY_ACCOUNT');
}
const accountFromBalance = accountFrom.data.balance;
if (accountFrom.address != mintAddress) {
// verif nonce
const expectedNonce = toBn(accountFrom.data.transactions.length); // le nonce attendu est egal au nombre de transactions passées de l'account
if (! this.data.nonce.eq(expectedNonce)) {
_rejectTransaction('TRANSACTION_REJECTED_INCORRECT_NONCE');
}
// verif balance pour gas + transfer
if (this.data.value && this.data.value.gt(0)) {
if (accountFromBalance.lt(this.data.value.add(txCostLimit))) {
// l'adresse n'a pas suffisamment de fond pour executer la transaction (selon gasLimit)
// TODO: faut-il rejeter la tx ? ou la laisser passer (en status=0) et lui vider sa balance (si 100% du gas est utilisé) ?
//return _rejectTransaction('TRANSACTION_FAILED_INSUFFICIENT_ETH_BALANCE');
_rejectTransaction('TRANSACTION_REJECTED_INSUFFICIENT_ETH_BALANCE');
}
}
}
_checkGas('init');
if (status) {
if (this.data.value && this.data.value.gt(0) && contractAddress && contractAddress.length > 2) {
// Transfer la valeur demandée (simple ETH transaction)
const [transferResult, transferLogs, transferReverted] = blockchain.transferEth(this.data, block);
txLogs.push( ...transferLogs );
// si recipient == contract => on transfer quand meme dès maintenant => TODO: a revoir (le transferEth declenche un appel à receive ... avant meme de savoir si unne methode payable doit etre appelée. Probleme si receive provoque un revert => la fonction payable ne sera pas appelée)
// 1) si methode payable appellée, on l'execute
// 2) si methode non payable => on appelle receive juste avant
// 3) si methode inconnue => revert
if (transferResult && transferReverted) {
// reverted (after transfer)
amountTransfered = this.data.value;
status = 0;
error = new Error('TRANSFER_REVERTED');
} else if (transferResult) {
// success
amountTransfered = this.data.value;
} else {
// transfer failed
status = 0;
error = new Error('TRANSFER_FAILED');
}
}
_checkGas('afterTransfer');
}
const gasUsedBeforeContractExecution = gasUsed;
if (status && this.data.data && this.data.data != '0x') {
// Traitement du champ data de la transaction (smart contract call)
if (!contractAddress || contractAddress == '0x') {
// contract creation
contractDeployed = true;
let contractExecResult;
try {
contractExecResult = this.transactionDeployContract(block);
const creationLogs = contractExecResult.logs;
vmStorage = contractExecResult.storage;
if (creationLogs.length) {
txLogs.push( ...creationLogs );
}
if (! contractExecResult.result) {
// Deploy Failed
status = 0;
error = new Error('CONTRACT_CREATION_FAILED');
// emit event
const debugError = {
message: 'CONTRACT_CREATION_FAILED',
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
} else {
// Deploy Success
createdContractAddress = contractExecResult.result.toLowerCase();
if (this.data.value.gt(0)) {
// Transfer tx value to contract
const _txData = {
...this.data,
to: createdContractAddress,
};
const [transferResult, transferLogs, transferReverted] = blockchain.transferEth(_txData, block);
txLogs.push( ...transferLogs );
if (transferResult) {
amountTransfered = this.data.value;
} else {
status = 0;
error = new Error('CONTRACT_CREATION_TRANSFER_FAILED');
}
}
// TODO: emit event CONTRACT_CREATION_SUCCESS ?
}
} catch (e) {
//console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] Cannot execute transaction');
//throw e;
status = 0;
error = new Error('CONTRACT_CREATION_ERROR');
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] CONTRACT_CREATION_ERROR with message', e.message)
// emit event
const debugError = {
message: 'CONTRACT_CREATION_ERROR',
error: e.message,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
_checkGas('afterContractCreation');
} else {
// contract execution
const contractAccount = blockchain.getAccount(contractAddress);
if (! contractAccount) {
status = 0;
error = new Error('CONTRACT_ACCOUNT_NOT_FOUND');
// emit event
const debugError = {
message: 'CONTRACT_ACCOUNT_NOT_FOUND',
address: contractAddress,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
if (status) {
storageBackup = JSON.stringify(contractAccount.data.storage);
balanceBackup = contractAccount.data.balance;
contractExecuted = true;
try {
const contractExecResult = this.executeTransactionContract(block);
const internalLogs = contractExecResult.logs;
vmStorage = contractExecResult.storage;
if (internalLogs.length) {
txLogs.push( ...internalLogs );
}
if (! contractExecResult.result) {
status = 0;
error = new Error('CONTRACT_EXEC_FAILED');
// emit event
const debugError = {
message: 'CONTRACT_EXEC_FAILED',
address: contractAddress,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
} catch (e) {
status = 0;
error = new Error('CONTRACT_EXEC_ERROR');
// emit event
const debugError = {
message: 'CONTRACT_EXEC_ERROR',
address: contractAddress,
error: e.message,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
}
_checkGas('afterContractCall');
}
}
const gasUsedAfterContractExecution = gasUsed;
const gasUsedInContractExecution = gasUsedAfterContractExecution.sub(gasUsedBeforeContractExecution);
const contractExecutionCost = gasUsedInContractExecution.mul(_tx.data.gasPrice);
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] execDuration =', (Math.round(execDuration * 1000000) / 1000000), ' seconds');
if (txCostEffective.gt(0)) {
// Gas payment
//const minerAccount = blockchain.getAccount(block.data.miner, true);
//const gasPaymentResult = minerAccount.transferFrom(accountFrom.address, txCostEffective);
const txDataGasPayment = {
from: accountFrom.address,
to: block.data.miner,
value: txCostEffective,
};
const [gasPaymentResult, gasPaymentLogs, transferReverted] = blockchain.transferEth(txDataGasPayment, block, true);
txLogs.push(...gasPaymentLogs);
if (gasPaymentResult) {
// gas payment success
} else {
// gas payment failed => reject transaction (and block)
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] Gas payment failed');
_rejectTransaction('GAS_PAYMENT_FAILED');
}
if (false) {
// DEBUG
const gasPercent = gasUsed.mul(100).div(this.data.gasLimit).toNumber();
const gasEffectivePercent = gasUsedEffective.mul(100).div(this.data.gasLimit).toNumber();
const costPercent = txCost.mul(100).div(txCostLimit).toNumber();
const costEffectivePercent = txCostEffective.mul(100).div(txCostLimit).toNumber();
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] txCostLimit =', ethers.utils.formatEther(txCostLimit));
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] txCostEffective =', ethers.utils.formatEther(txCostEffective));
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] gas % =', Math.round(gasPercent), '% =', Math.round(gasEffectivePercent), '%');
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] cost % =', Math.round(costPercent), '%', Math.round(costEffectivePercent), '%');
}
}
if (accountFrom.address != mintAddress) {
const accountFromBalanceAtEnd = blockchain.getAccountBalance(accountFrom.address);
if (accountFromBalanceAtEnd.lt(0)){
_rejectTransaction('TRANSACTION_FAILED_INSUFFICIENT_ETH_BALANCE_AT_END');
}
}
if (! status) {
// Transaction Failed
// Revert transfer
if (amountTransfered.gt(0)) {
const txDataRevert = {
...this.data,
from: this.data.to,
to: this.data.from,
value: amountTransfered,
};
const [transferResult, transferLogs, transferReverted] = blockchain.transferEth(txDataRevert, block);
// TODO: gerer le revert des internal transfers
}
txLogs.forEach(log => {
log.removed = true;
});
// Revert contract storage
if (contractExecuted) {
const contractAccount = blockchain.getAccount(contractAddress);
contractAccount.data.storage = JSON.parse(storageBackup, utils.bnJsonParser);
contractAccount.data.balance = balanceBackup;
} else if (amountTransfered) {
// on check aussi amountTransfered car le contrat peut avoir été exécuté via receive => TODO: process a revoir
const contractAccount = blockchain.getAccount(contractAddress);
if (contractAccount && contractAccount.isContract()) {
//contractAccount.data.storage = JSON.parse(storageBackup, utils.bnJsonParser);
//contractAccount.data.balance = balanceBackup;
// TODO
}
}
// Revert deployed contract
if (contractDeployed) {
// nothing to do ?
}
const gasPercent = gasUsed.mul(100).div(this.data.gasLimit).toNumber();
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] FAILED TRANSACTION ', this.data.hash, '| gas usage percent =', gasPercent, '%', ' | Error: ', error.message);
const realExecDuration = performance.now()/1000 - execTsStart; //parseFloat(process.hrtime(execTsStart).join('.'));
const realGasUsed = toBn(Math.round(realExecDuration * cpuPricePerSecond)); // TODO: prendre en compte le storage utilisé dans le calcul du gasUsed
const realGasPercent = realGasUsed.mul(100).div(this.data.gasLimit).toNumber();
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] FAILED TRANSACTION ', this.data.hash, '| real gas usage percent =', realGasPercent, '%', ' | Error: ', error.message);
} else {
// Transaction Success
// save contract storage
Object.entries(vmStorage).forEach((entry, idx) => {
const [contractAddress, contractStorage] = entry;
const contractAccount = blockchain.getAccount(contractAddress, true);
contractAccount.data.storage = contractStorage;
contractAccount.save();
});
// show result (debug)
const gasPercent = gasUsed.mul(100).div(this.data.gasLimit).toNumber();;
console.log(utils.getDate(), "[BLOCKCHAIN]", 'SUCCECSS TRANSACTION ', this.data.hash, '| gas usage percent =', gasPercent, '%');
}
// total gas utilisé dans le block
block.data.gasUsed = block.data.gasUsed.add(gasUsed);
// assign block data on logs
txLogs.forEach((txLog, idx) => {
txLog.data.transactionIndex = transactionIndex;
txLog.data.logIndex = logIndexOffset + idx;
txLog.data.transactionHash = this.data.hash;
txLog.data.blockHash = block.hash;
txLog.data.blockNumber = block.data.number;
});
const receiptData = {
transactionHash: this.data.hash,
transactionIndex: transactionIndex,
blockNumber: block.data.number,
blockHash: block.hash,
//logsBloom: '0x0000',
contractAddress: createdContractAddress,
gasUsed,
cumulativeGasUsed: block.data.gasUsed,
effectiveGasPrice: this.data.gasPrice,
effectiveCost: this.data.gasPrice.mul(gasUsed),
logs: txLogs,
status,
}
const receipt = new Receipt(blockchain, receiptData);
return [receipt, txLogs];
}",
executeTransactionContract: "(block) => {
let contractAddress = this.data.to;
const isNullRecipient = (! contractAddress || contractAddress.length <= 2);
if (isNullRecipient) {
throw new Error('CONTRACT_EXEC_ADDRESS_INVALID_BUG_1');
}
const contractAccount = blockchain.getAccount(contractAddress);
if (! contractAccount) {
throw new Error('CONTRACT_EXEC_ACCOUNT_NOT_FOUND');
}
// Execute existing contract method call
return blockchain.callContractMethodInVM(this.data, block);
}",
transactionDeployContract: "(block) => {
let contractAddress = this.data.to;
let contractAccount;
if (contractAddress && contractAddress.length > 2) {
throw new Error('CONTRACT_DEPLOY_ADDRESS_INVALID_BUG_2');
}
// CONTRACT CREATION
if (! this.data.data || this.data.data.length <= 2) {
throw new Error('CONTRACT_DEPLOY_INVALID_DATA_EMPTY_CODE');
}
// build contract address
contractAddress = ethers.utils.getContractAddress(this.data).toLocaleLowerCase();
// parse contract source code & constructor parameters
const codes = ethers.utils.defaultAbiCoder.decode(["string", "string"], this.data.data);
if (! codes) {
throw new Error('CONTRACT_DEPLOY_CODE_PARSING_FAILED');
}
const sourceCode = codes[0];
const constructorParams = codes[1];
const constructorRawParams = ethers.utils.defaultAbiCoder.encode(["string"], [constructorParams]);
const codeHash = ethers.utils.id(sourceCode);
const codeAbi = null; // l'abi sera généré une fois que le contrat aura été instancié
const storageHash = ethers.utils.id('{}');
// create new account
const accountData = {
address: contractAddress,
code: sourceCode,
codeHash,
codeAbi,
storage: {},
storageHash,
};
contractAccount = blockchain.createAccount(contractAddress, accountData);
// instanciate contract + call constructor + recuperer storage
const txData = {
from: this.data.from,
to: contractAddress,
data: constructorRawParams,
value: this.data.value.toHexString(),
};
const callResult = blockchain.deployContractInVM(txData, block);
const creationLogs = callResult.logs;
const vmStorage = callResult.storage;
// emit event
const eventParams = [
contractAddress,
];
const _txData = {
...this.data,
to: blockchain.getNullAddress(),
}
const deployLog = new TxLog(blockchain, null, _txData, 'ContractCreated', eventParams, deployAbi);
creationLogs.push(deployLog);
return {
result: contractAddress,
logs: creationLogs,
storage: vmStorage,
};
}",
timestamp: "1651572509409",
status: 1,
gasUsed: "882"
},
0x5f688782a2de8e88327e6930d4133fd833252e1255a7595d619964a2f58bba67: {
data: {
blockHash: "0x00a4160dc73d5ae90b2375fe405b56005fa5693009c9c23d62b129f878aec822",
blockNumber: "2",
transactionIndex: 1,
hash: "0x5f688782a2de8e88327e6930d4133fd833252e1255a7595d619964a2f58bba67",
from: "0x131a190fa22cb867abf58193bf9e7640e9fce682",
gasLimit: "679950",
gasPrice: "1000000000",
data: "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nonce: "1",
to: "0x",
value: "0",
chainId: "3615",
origin: "1651572507298",
v: "1c61",
r: "52d7b13a7aa39476956574523caae17c0a7b9a6db8ce5d2d6f93cd892a9712fa",
s: "16f7aa69823edaf5a24fb214149fd1a93223244a52397f767a9babb696ced4c1"
},
hash: "0x5f688782a2de8e88327e6930d4133fd833252e1255a7595d619964a2f58bba67",
load: "() => {
const transactionFile = config.node.dataDir + '/transactions/' + this.hash + '.json';
if (! fs.existsSync(transactionFile)) {
console.warn(utils.getDate(), "[BLOCKCHAIN]", 'IMPORT Transaction not found', this.hash);
throw new Error('IMPORT_TRANSACTION_NOT_FOUND_DATABASE_CORRUPTED');
}
const transactionJson = fs.readFileSync(transactionFile);
transactionData = JSON.parse(transactionJson, utils.bnJsonParser);
this.data = (typeof transactionData == 'TransactionData') ? transactionData : new TransactionData(transactionData);
return true;
}",
save: "() => {
const transactionFile = config.node.dataDir + '/transactions/' + this.hash + '.json';
fs.writeFileSync(transactionFile, JSON.stringify(this.data));
return true;
}",
getReceipt: "() => {
return blockchain.getTransactionReceiptByHash(this.hash);
}",
getBlock: "() => {
return blockchain.getBlockByHash(this.data.blockHash);
}",
getBlockTransationPrev: "() => {
const block = this.getBlock();
const txPrevIdx = (this.data.transactionIndex > 0) ? (this.data.transactionIndex-1) : null;
const tx = (block && txPrevIdx in block.transactions) ? block.transactions[txPrevIdx] : null;
return tx;
}",
getBlockTransationNext: "() => {
const block = this.getBlock();
const txNextIdx = (this.data.transactionIndex < block.transactions.length - 1) ? (this.data.transactionIndex+1) : null;
const tx = (block && txNextIdx in block.transactions) ? block.transactions[txNextIdx] : null;
return tx;
}",
getAccountTransactionIndex: "() => {
const account = blockchain.getAccount(this.data.from);
if (! account) {
return null;
}
const txIdx = account.data.transactions.findIndex(transactionHash => blockchain.getTransactionByHash(transactionHash).hash == this.hash);
if (txIdx === -1) {
return null;
}
return txIdx;
}",
getAccountTransationPrev: "() => {
const account = blockchain.getAccount(this.data.from);
if (! account) {
return null;
}
const txIdx = this.getAccountTransactionIndex();
if (txIdx === null) {
return null;
}
const txPrevIdx = (txIdx > 0) ? (txIdx-1) : null;
const transactionHash = (txPrevIdx in account.data.transactions) ? account.data.transactions[txPrevIdx] : null;
if (! transactionHash) {
return null;
}
return blockchain.getTransactionByHash(transactionHash);
}",
getAccountTransationNext: "() => {
const account = blockchain.getAccount(this.data.from);
if (! account) {
return null;
}
const txIdx = this.getAccountTransactionIndex();
if (txIdx === null) {
return null;
}
const txNextIdx = (txIdx < account.data.transactions.length - 1) ? (txIdx+1) : null;
const transactionHash = (txNextIdx in account.data.transactions) ? account.data.transactions[txNextIdx] : null;
if (! transactionHash) {
return null;
}
return blockchain.getTransactionByHash(transactionHash);
}",
formatRpc: "() => {
// https://github.com/ethers-io/ethers.js/blob/master/packages/abstract-provider/lib/index.d.ts
const to = (this.data.to && this.data.to.length == 42) ? this.data.to : null;
const _txData = {
blockHash: this.data.blockHash,
blockNumber: this.data.blockNumber.toNumber(),
transactionIndex: this.data.transactionIndex,
hash: this.data.hash,
from: this.data.from,
gasLimit: this.data.gasLimit.toHexString(),
gasPrice: this.data.gasPrice.toHexString(),
data: this.data.data,
nonce: this.data.nonce.toHexString(),
to,
value: this.data.value.toHexString(),
chainId: this.data.chainId.toNumber(),
//origin: this.data.origin.toHexString(),
};
return _txData;
}",
getHashOLD: "() => {
const _txData = {
gasPrice: this.data.gasPrice,
gasLimit: this.data.gasLimit,
from: this.data.from,
to: this.data.to,
value: this.data.value,
data: this.data.data,
nonce: this.data.nonce,
};
const strvalue = JSON.stringify(utils.orderedObject(_txData));
const transactionHash = ethers.utils.id(strvalue);
return transactionHash;
}",
getHash: "() => {
const _txData = {
gasPrice: this.data.gasPrice.toHexString(),
gasLimit: this.data.gasLimit.toHexString(),
from: this.data.from,
to: this.data.to,
value: this.data.value.toHexString(),
data: this.data.data,
nonce: this.data.nonce.toHexString(),
v: this.data.v ? ('0x' + this.data.v) : '',
r: this.data.r ? ('0x' + this.data.r) : '',
s: this.data.s ? ('0x' + this.data.s) : '',
};
const tx = new EthereumJS.Transaction(_txData);
const hashRaw = tx.hash();
const transactionHash = ethers.utils.defaultAbiCoder.decode(["uint256"], hashRaw)[0].toHexString();
return transactionHash;
}",
execute: "(block, transactionIndex, logIndexOffset) => {
const _tx = this;
function _rejectTransaction(reason) {
// https://openethereum.github.io/Transactions-Queue
reason = reason || 'unknown';
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] REJECTED PROCESSING TRANSACTION', _tx.data.hash, ' (Reason:', reason + ')');
const success = blockchain.removeTransactionsFromMempool([_tx.hash], true, true);
if (success) {
saveMempool();
}
throw new Error(reason); // on rejete definitivement la tx (elle ne sera pas minée ... et donc aucun frais de gas ne sera compté)
// et du coup on rejete le block
}
function _checkGas(step) {
execDuration = performance.now()/1000 - execTsStart; //parseFloat(process.hrtime(execTsStart).join('.'));
gasUsed = toBn(Math.round(execDuration * cpuPricePerSecond)); // TODO: prendre en compte le storage utilisé dans le calcul du gasUsed
txCost = gasUsed.mul(_tx.data.gasPrice);
if (step == 'afterTransfer') {
//debugger;
}
if (status) {
gasUsedEffective = gasUsed;
txCostEffective = gasUsedEffective.mul(_tx.data.gasPrice);
if (gasUsed.gt(_tx.data.gasLimit)) {
status = 0;
error = new Error('INSUFFICIENT_GAS');
gasUsedEffective = _tx.data.gasLimit;
txCostEffective = txCostLimit;
// emit event
const debugError = {
message: 'INSUFFICIENT_GAS',
step,
gasPrice: _tx.data.gasPrice,
gasLimit: _tx.data.gasLimit,
gasUsed,
gasUsedEffective,
txCostLimit,
txCost,
txCostEffective,
execDuration,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, _tx.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
}
}
//const block = this;
const txLogs = [];
let vmStorage = {};
let gasUsed = toBn(0);
let gasUsedEffective = toBn(0);
let status = 1;
let error = null;
let createdContractAddress = null;
let amountTransfered = toBn(0);
const contractAddress = this.data.to;
let storageBackup;
let balanceBackup;
let contractExecuted = false;
let contractDeployed = false;
const execTsStart = performance.now()/1000; //process.hrtime(); //Date.now();
let execDuration = 0;
const txCostLimit = this.data.gasLimit.mul(this.data.gasPrice);
let txCost = toBn(0);
let txCostEffective = toBn(0);
const accountFrom = blockchain.getAccount(this.data.from);
if (! accountFrom) {
_rejectTransaction('TRANSACTION_REJECTED_EMPTY_ACCOUNT');
}
const accountFromBalance = accountFrom.data.balance;
if (accountFrom.address != mintAddress) {
// verif nonce
const expectedNonce = toBn(accountFrom.data.transactions.length); // le nonce attendu est egal au nombre de transactions passées de l'account
if (! this.data.nonce.eq(expectedNonce)) {
_rejectTransaction('TRANSACTION_REJECTED_INCORRECT_NONCE');
}
// verif balance pour gas + transfer
if (this.data.value && this.data.value.gt(0)) {
if (accountFromBalance.lt(this.data.value.add(txCostLimit))) {
// l'adresse n'a pas suffisamment de fond pour executer la transaction (selon gasLimit)
// TODO: faut-il rejeter la tx ? ou la laisser passer (en status=0) et lui vider sa balance (si 100% du gas est utilisé) ?
//return _rejectTransaction('TRANSACTION_FAILED_INSUFFICIENT_ETH_BALANCE');
_rejectTransaction('TRANSACTION_REJECTED_INSUFFICIENT_ETH_BALANCE');
}
}
}
_checkGas('init');
if (status) {
if (this.data.value && this.data.value.gt(0) && contractAddress && contractAddress.length > 2) {
// Transfer la valeur demandée (simple ETH transaction)
const [transferResult, transferLogs, transferReverted] = blockchain.transferEth(this.data, block);
txLogs.push( ...transferLogs );
// si recipient == contract => on transfer quand meme dès maintenant => TODO: a revoir (le transferEth declenche un appel à receive ... avant meme de savoir si unne methode payable doit etre appelée. Probleme si receive provoque un revert => la fonction payable ne sera pas appelée)
// 1) si methode payable appellée, on l'execute
// 2) si methode non payable => on appelle receive juste avant
// 3) si methode inconnue => revert
if (transferResult && transferReverted) {
// reverted (after transfer)
amountTransfered = this.data.value;
status = 0;
error = new Error('TRANSFER_REVERTED');
} else if (transferResult) {
// success
amountTransfered = this.data.value;
} else {
// transfer failed
status = 0;
error = new Error('TRANSFER_FAILED');
}
}
_checkGas('afterTransfer');
}
const gasUsedBeforeContractExecution = gasUsed;
if (status && this.data.data && this.data.data != '0x') {
// Traitement du champ data de la transaction (smart contract call)
if (!contractAddress || contractAddress == '0x') {
// contract creation
contractDeployed = true;
let contractExecResult;
try {
contractExecResult = this.transactionDeployContract(block);
const creationLogs = contractExecResult.logs;
vmStorage = contractExecResult.storage;
if (creationLogs.length) {
txLogs.push( ...creationLogs );
}
if (! contractExecResult.result) {
// Deploy Failed
status = 0;
error = new Error('CONTRACT_CREATION_FAILED');
// emit event
const debugError = {
message: 'CONTRACT_CREATION_FAILED',
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
} else {
// Deploy Success
createdContractAddress = contractExecResult.result.toLowerCase();
if (this.data.value.gt(0)) {
// Transfer tx value to contract
const _txData = {
...this.data,
to: createdContractAddress,
};
const [transferResult, transferLogs, transferReverted] = blockchain.transferEth(_txData, block);
txLogs.push( ...transferLogs );
if (transferResult) {
amountTransfered = this.data.value;
} else {
status = 0;
error = new Error('CONTRACT_CREATION_TRANSFER_FAILED');
}
}
// TODO: emit event CONTRACT_CREATION_SUCCESS ?
}
} catch (e) {
//console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] Cannot execute transaction');
//throw e;
status = 0;
error = new Error('CONTRACT_CREATION_ERROR');
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] CONTRACT_CREATION_ERROR with message', e.message)
// emit event
const debugError = {
message: 'CONTRACT_CREATION_ERROR',
error: e.message,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
_checkGas('afterContractCreation');
} else {
// contract execution
const contractAccount = blockchain.getAccount(contractAddress);
if (! contractAccount) {
status = 0;
error = new Error('CONTRACT_ACCOUNT_NOT_FOUND');
// emit event
const debugError = {
message: 'CONTRACT_ACCOUNT_NOT_FOUND',
address: contractAddress,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
if (status) {
storageBackup = JSON.stringify(contractAccount.data.storage);
balanceBackup = contractAccount.data.balance;
contractExecuted = true;
try {
const contractExecResult = this.executeTransactionContract(block);
const internalLogs = contractExecResult.logs;
vmStorage = contractExecResult.storage;
if (internalLogs.length) {
txLogs.push( ...internalLogs );
}
if (! contractExecResult.result) {
status = 0;
error = new Error('CONTRACT_EXEC_FAILED');
// emit event
const debugError = {
message: 'CONTRACT_EXEC_FAILED',
address: contractAddress,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
} catch (e) {
status = 0;
error = new Error('CONTRACT_EXEC_ERROR');
// emit event
const debugError = {
message: 'CONTRACT_EXEC_ERROR',
address: contractAddress,
error: e.message,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
}
_checkGas('afterContractCall');
}
}
const gasUsedAfterContractExecution = gasUsed;
const gasUsedInContractExecution = gasUsedAfterContractExecution.sub(gasUsedBeforeContractExecution);
const contractExecutionCost = gasUsedInContractExecution.mul(_tx.data.gasPrice);
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] execDuration =', (Math.round(execDuration * 1000000) / 1000000), ' seconds');
if (txCostEffective.gt(0)) {
// Gas payment
//const minerAccount = blockchain.getAccount(block.data.miner, true);
//const gasPaymentResult = minerAccount.transferFrom(accountFrom.address, txCostEffective);
const txDataGasPayment = {
from: accountFrom.address,
to: block.data.miner,
value: txCostEffective,
};
const [gasPaymentResult, gasPaymentLogs, transferReverted] = blockchain.transferEth(txDataGasPayment, block, true);
txLogs.push(...gasPaymentLogs);
if (gasPaymentResult) {
// gas payment success
} else {
// gas payment failed => reject transaction (and block)
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] Gas payment failed');
_rejectTransaction('GAS_PAYMENT_FAILED');
}
if (false) {
// DEBUG
const gasPercent = gasUsed.mul(100).div(this.data.gasLimit).toNumber();
const gasEffectivePercent = gasUsedEffective.mul(100).div(this.data.gasLimit).toNumber();
const costPercent = txCost.mul(100).div(txCostLimit).toNumber();
const costEffectivePercent = txCostEffective.mul(100).div(txCostLimit).toNumber();
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] txCostLimit =', ethers.utils.formatEther(txCostLimit));
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] txCostEffective =', ethers.utils.formatEther(txCostEffective));
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] gas % =', Math.round(gasPercent), '% =', Math.round(gasEffectivePercent), '%');
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] cost % =', Math.round(costPercent), '%', Math.round(costEffectivePercent), '%');
}
}
if (accountFrom.address != mintAddress) {
const accountFromBalanceAtEnd = blockchain.getAccountBalance(accountFrom.address);
if (accountFromBalanceAtEnd.lt(0)){
_rejectTransaction('TRANSACTION_FAILED_INSUFFICIENT_ETH_BALANCE_AT_END');
}
}
if (! status) {
// Transaction Failed
// Revert transfer
if (amountTransfered.gt(0)) {
const txDataRevert = {
...this.data,
from: this.data.to,
to: this.data.from,
value: amountTransfered,
};
const [transferResult, transferLogs, transferReverted] = blockchain.transferEth(txDataRevert, block);
// TODO: gerer le revert des internal transfers
}
txLogs.forEach(log => {
log.removed = true;
});
// Revert contract storage
if (contractExecuted) {
const contractAccount = blockchain.getAccount(contractAddress);
contractAccount.data.storage = JSON.parse(storageBackup, utils.bnJsonParser);
contractAccount.data.balance = balanceBackup;
} else if (amountTransfered) {
// on check aussi amountTransfered car le contrat peut avoir été exécuté via receive => TODO: process a revoir
const contractAccount = blockchain.getAccount(contractAddress);
if (contractAccount && contractAccount.isContract()) {
//contractAccount.data.storage = JSON.parse(storageBackup, utils.bnJsonParser);
//contractAccount.data.balance = balanceBackup;
// TODO
}
}
// Revert deployed contract
if (contractDeployed) {
// nothing to do ?
}
const gasPercent = gasUsed.mul(100).div(this.data.gasLimit).toNumber();
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] FAILED TRANSACTION ', this.data.hash, '| gas usage percent =', gasPercent, '%', ' | Error: ', error.message);
const realExecDuration = performance.now()/1000 - execTsStart; //parseFloat(process.hrtime(execTsStart).join('.'));
const realGasUsed = toBn(Math.round(realExecDuration * cpuPricePerSecond)); // TODO: prendre en compte le storage utilisé dans le calcul du gasUsed
const realGasPercent = realGasUsed.mul(100).div(this.data.gasLimit).toNumber();
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] FAILED TRANSACTION ', this.data.hash, '| real gas usage percent =', realGasPercent, '%', ' | Error: ', error.message);
} else {
// Transaction Success
// save contract storage
Object.entries(vmStorage).forEach((entry, idx) => {
const [contractAddress, contractStorage] = entry;
const contractAccount = blockchain.getAccount(contractAddress, true);
contractAccount.data.storage = contractStorage;
contractAccount.save();
});
// show result (debug)
const gasPercent = gasUsed.mul(100).div(this.data.gasLimit).toNumber();;
console.log(utils.getDate(), "[BLOCKCHAIN]", 'SUCCECSS TRANSACTION ', this.data.hash, '| gas usage percent =', gasPercent, '%');
}
// total gas utilisé dans le block
block.data.gasUsed = block.data.gasUsed.add(gasUsed);
// assign block data on logs
txLogs.forEach((txLog, idx) => {
txLog.data.transactionIndex = transactionIndex;
txLog.data.logIndex = logIndexOffset + idx;
txLog.data.transactionHash = this.data.hash;
txLog.data.blockHash = block.hash;
txLog.data.blockNumber = block.data.number;
});
const receiptData = {
transactionHash: this.data.hash,
transactionIndex: transactionIndex,
blockNumber: block.data.number,
blockHash: block.hash,
//logsBloom: '0x0000',
contractAddress: createdContractAddress,
gasUsed,
cumulativeGasUsed: block.data.gasUsed,
effectiveGasPrice: this.data.gasPrice,
effectiveCost: this.data.gasPrice.mul(gasUsed),
logs: txLogs,
status,
}
const receipt = new Receipt(blockchain, receiptData);
return [receipt, txLogs];
}",
executeTransactionContract: "(block) => {
let contractAddress = this.data.to;
const isNullRecipient = (! contractAddress || contractAddress.length <= 2);
if (isNullRecipient) {
throw new Error('CONTRACT_EXEC_ADDRESS_INVALID_BUG_1');
}
const contractAccount = blockchain.getAccount(contractAddress);
if (! contractAccount) {
throw new Error('CONTRACT_EXEC_ACCOUNT_NOT_FOUND');
}
// Execute existing contract method call
return blockchain.callContractMethodInVM(this.data, block);
}",
transactionDeployContract: "(block) => {
let contractAddress = this.data.to;
let contractAccount;
if (contractAddress && contractAddress.length > 2) {
throw new Error('CONTRACT_DEPLOY_ADDRESS_INVALID_BUG_2');
}
// CONTRACT CREATION
if (! this.data.data || this.data.data.length <= 2) {
throw new Error('CONTRACT_DEPLOY_INVALID_DATA_EMPTY_CODE');
}
// build contract address
contractAddress = ethers.utils.getContractAddress(this.data).toLocaleLowerCase();
// parse contract source code & constructor parameters
const codes = ethers.utils.defaultAbiCoder.decode(["string", "string"], this.data.data);
if (! codes) {
throw new Error('CONTRACT_DEPLOY_CODE_PARSING_FAILED');
}
const sourceCode = codes[0];
const constructorParams = codes[1];
const constructorRawParams = ethers.utils.defaultAbiCoder.encode(["string"], [constructorParams]);
const codeHash = ethers.utils.id(sourceCode);
const codeAbi = null; // l'abi sera généré une fois que le contrat aura été instancié
const storageHash = ethers.utils.id('{}');
// create new account
const accountData = {
address: contractAddress,
code: sourceCode,
codeHash,
codeAbi,
storage: {},
storageHash,
};
contractAccount = blockchain.createAccount(contractAddress, accountData);
// instanciate contract + call constructor + recuperer storage
const txData = {
from: this.data.from,
to: contractAddress,
data: constructorRawParams,
value: this.data.value.toHexString(),
};
const callResult = blockchain.deployContractInVM(txData, block);
const creationLogs = callResult.logs;
const vmStorage = callResult.storage;
// emit event
const eventParams = [
contractAddress,
];
const _txData = {
...this.data,
to: blockchain.getNullAddress(),
}
const deployLog = new TxLog(blockchain, null, _txData, 'ContractCreated', eventParams, deployAbi);
creationLogs.push(deployLog);
return {
result: contractAddress,
logs: creationLogs,
storage: vmStorage,
};
}",
timestamp: "1651572509409",
status: 1,
gasUsed: "7139"
},
0x591adc77dc95f7fdcbf421db667bf86454d0dffcd9c9ecd7b29a726a7edb75ec: {
data: {
blockHash: "0x00159c1cfcf8717f506966ffcaa50f6f1ee46bf48ac7f60b1ee60979600d6436",
blockNumber: "3",
transactionIndex: 0,
hash: "0x591adc77dc95f7fdcbf421db667bf86454d0dffcd9c9ecd7b29a726a7edb75ec",
from: "0x0000000000000000000000000000000000000001",
gasLimit: "1000000000000000000",
gasPrice: "0",
data: "0x",
nonce: "2",
to: "0xccf8ba457dcad7ee6a0361c96846a0f79744b113",
value: "250000000000000000000",
chainId: "3615",
origin: "1651572514573",
v: "",
r: "",
s: ""
},
hash: "0x591adc77dc95f7fdcbf421db667bf86454d0dffcd9c9ecd7b29a726a7edb75ec",
load: "() => {
const transactionFile = config.node.dataDir + '/transactions/' + this.hash + '.json';
if (! fs.existsSync(transactionFile)) {
console.warn(utils.getDate(), "[BLOCKCHAIN]", 'IMPORT Transaction not found', this.hash);
throw new Error('IMPORT_TRANSACTION_NOT_FOUND_DATABASE_CORRUPTED');
}
const transactionJson = fs.readFileSync(transactionFile);
transactionData = JSON.parse(transactionJson, utils.bnJsonParser);
this.data = (typeof transactionData == 'TransactionData') ? transactionData : new TransactionData(transactionData);
return true;
}",
save: "() => {
const transactionFile = config.node.dataDir + '/transactions/' + this.hash + '.json';
fs.writeFileSync(transactionFile, JSON.stringify(this.data));
return true;
}",
getReceipt: "() => {
return blockchain.getTransactionReceiptByHash(this.hash);
}",
getBlock: "() => {
return blockchain.getBlockByHash(this.data.blockHash);
}",
getBlockTransationPrev: "() => {
const block = this.getBlock();
const txPrevIdx = (this.data.transactionIndex > 0) ? (this.data.transactionIndex-1) : null;
const tx = (block && txPrevIdx in block.transactions) ? block.transactions[txPrevIdx] : null;
return tx;
}",
getBlockTransationNext: "() => {
const block = this.getBlock();
const txNextIdx = (this.data.transactionIndex < block.transactions.length - 1) ? (this.data.transactionIndex+1) : null;
const tx = (block && txNextIdx in block.transactions) ? block.transactions[txNextIdx] : null;
return tx;
}",
getAccountTransactionIndex: "() => {
const account = blockchain.getAccount(this.data.from);
if (! account) {
return null;
}
const txIdx = account.data.transactions.findIndex(transactionHash => blockchain.getTransactionByHash(transactionHash).hash == this.hash);
if (txIdx === -1) {
return null;
}
return txIdx;
}",
getAccountTransationPrev: "() => {
const account = blockchain.getAccount(this.data.from);
if (! account) {
return null;
}
const txIdx = this.getAccountTransactionIndex();
if (txIdx === null) {
return null;
}
const txPrevIdx = (txIdx > 0) ? (txIdx-1) : null;
const transactionHash = (txPrevIdx in account.data.transactions) ? account.data.transactions[txPrevIdx] : null;
if (! transactionHash) {
return null;
}
return blockchain.getTransactionByHash(transactionHash);
}",
getAccountTransationNext: "() => {
const account = blockchain.getAccount(this.data.from);
if (! account) {
return null;
}
const txIdx = this.getAccountTransactionIndex();
if (txIdx === null) {
return null;
}
const txNextIdx = (txIdx < account.data.transactions.length - 1) ? (txIdx+1) : null;
const transactionHash = (txNextIdx in account.data.transactions) ? account.data.transactions[txNextIdx] : null;
if (! transactionHash) {
return null;
}
return blockchain.getTransactionByHash(transactionHash);
}",
formatRpc: "() => {
// https://github.com/ethers-io/ethers.js/blob/master/packages/abstract-provider/lib/index.d.ts
const to = (this.data.to && this.data.to.length == 42) ? this.data.to : null;
const _txData = {
blockHash: this.data.blockHash,
blockNumber: this.data.blockNumber.toNumber(),
transactionIndex: this.data.transactionIndex,
hash: this.data.hash,
from: this.data.from,
gasLimit: this.data.gasLimit.toHexString(),
gasPrice: this.data.gasPrice.toHexString(),
data: this.data.data,
nonce: this.data.nonce.toHexString(),
to,
value: this.data.value.toHexString(),
chainId: this.data.chainId.toNumber(),
//origin: this.data.origin.toHexString(),
};
return _txData;
}",
getHashOLD: "() => {
const _txData = {
gasPrice: this.data.gasPrice,
gasLimit: this.data.gasLimit,
from: this.data.from,
to: this.data.to,
value: this.data.value,
data: this.data.data,
nonce: this.data.nonce,
};
const strvalue = JSON.stringify(utils.orderedObject(_txData));
const transactionHash = ethers.utils.id(strvalue);
return transactionHash;
}",
getHash: "() => {
const _txData = {
gasPrice: this.data.gasPrice.toHexString(),
gasLimit: this.data.gasLimit.toHexString(),
from: this.data.from,
to: this.data.to,
value: this.data.value.toHexString(),
data: this.data.data,
nonce: this.data.nonce.toHexString(),
v: this.data.v ? ('0x' + this.data.v) : '',
r: this.data.r ? ('0x' + this.data.r) : '',
s: this.data.s ? ('0x' + this.data.s) : '',
};
const tx = new EthereumJS.Transaction(_txData);
const hashRaw = tx.hash();
const transactionHash = ethers.utils.defaultAbiCoder.decode(["uint256"], hashRaw)[0].toHexString();
return transactionHash;
}",
execute: "(block, transactionIndex, logIndexOffset) => {
const _tx = this;
function _rejectTransaction(reason) {
// https://openethereum.github.io/Transactions-Queue
reason = reason || 'unknown';
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] REJECTED PROCESSING TRANSACTION', _tx.data.hash, ' (Reason:', reason + ')');
const success = blockchain.removeTransactionsFromMempool([_tx.hash], true, true);
if (success) {
saveMempool();
}
throw new Error(reason); // on rejete definitivement la tx (elle ne sera pas minée ... et donc aucun frais de gas ne sera compté)
// et du coup on rejete le block
}
function _checkGas(step) {
execDuration = performance.now()/1000 - execTsStart; //parseFloat(process.hrtime(execTsStart).join('.'));
gasUsed = toBn(Math.round(execDuration * cpuPricePerSecond)); // TODO: prendre en compte le storage utilisé dans le calcul du gasUsed
txCost = gasUsed.mul(_tx.data.gasPrice);
if (step == 'afterTransfer') {
//debugger;
}
if (status) {
gasUsedEffective = gasUsed;
txCostEffective = gasUsedEffective.mul(_tx.data.gasPrice);
if (gasUsed.gt(_tx.data.gasLimit)) {
status = 0;
error = new Error('INSUFFICIENT_GAS');
gasUsedEffective = _tx.data.gasLimit;
txCostEffective = txCostLimit;
// emit event
const debugError = {
message: 'INSUFFICIENT_GAS',
step,
gasPrice: _tx.data.gasPrice,
gasLimit: _tx.data.gasLimit,
gasUsed,
gasUsedEffective,
txCostLimit,
txCost,
txCostEffective,
execDuration,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, _tx.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
}
}
//const block = this;
const txLogs = [];
let vmStorage = {};
let gasUsed = toBn(0);
let gasUsedEffective = toBn(0);
let status = 1;
let error = null;
let createdContractAddress = null;
let amountTransfered = toBn(0);
const contractAddress = this.data.to;
let storageBackup;
let balanceBackup;
let contractExecuted = false;
let contractDeployed = false;
const execTsStart = performance.now()/1000; //process.hrtime(); //Date.now();
let execDuration = 0;
const txCostLimit = this.data.gasLimit.mul(this.data.gasPrice);
let txCost = toBn(0);
let txCostEffective = toBn(0);
const accountFrom = blockchain.getAccount(this.data.from);
if (! accountFrom) {
_rejectTransaction('TRANSACTION_REJECTED_EMPTY_ACCOUNT');
}
const accountFromBalance = accountFrom.data.balance;
if (accountFrom.address != mintAddress) {
// verif nonce
const expectedNonce = toBn(accountFrom.data.transactions.length); // le nonce attendu est egal au nombre de transactions passées de l'account
if (! this.data.nonce.eq(expectedNonce)) {
_rejectTransaction('TRANSACTION_REJECTED_INCORRECT_NONCE');
}
// verif balance pour gas + transfer
if (this.data.value && this.data.value.gt(0)) {
if (accountFromBalance.lt(this.data.value.add(txCostLimit))) {
// l'adresse n'a pas suffisamment de fond pour executer la transaction (selon gasLimit)
// TODO: faut-il rejeter la tx ? ou la laisser passer (en status=0) et lui vider sa balance (si 100% du gas est utilisé) ?
//return _rejectTransaction('TRANSACTION_FAILED_INSUFFICIENT_ETH_BALANCE');
_rejectTransaction('TRANSACTION_REJECTED_INSUFFICIENT_ETH_BALANCE');
}
}
}
_checkGas('init');
if (status) {
if (this.data.value && this.data.value.gt(0) && contractAddress && contractAddress.length > 2) {
// Transfer la valeur demandée (simple ETH transaction)
const [transferResult, transferLogs, transferReverted] = blockchain.transferEth(this.data, block);
txLogs.push( ...transferLogs );
// si recipient == contract => on transfer quand meme dès maintenant => TODO: a revoir (le transferEth declenche un appel à receive ... avant meme de savoir si unne methode payable doit etre appelée. Probleme si receive provoque un revert => la fonction payable ne sera pas appelée)
// 1) si methode payable appellée, on l'execute
// 2) si methode non payable => on appelle receive juste avant
// 3) si methode inconnue => revert
if (transferResult && transferReverted) {
// reverted (after transfer)
amountTransfered = this.data.value;
status = 0;
error = new Error('TRANSFER_REVERTED');
} else if (transferResult) {
// success
amountTransfered = this.data.value;
} else {
// transfer failed
status = 0;
error = new Error('TRANSFER_FAILED');
}
}
_checkGas('afterTransfer');
}
const gasUsedBeforeContractExecution = gasUsed;
if (status && this.data.data && this.data.data != '0x') {
// Traitement du champ data de la transaction (smart contract call)
if (!contractAddress || contractAddress == '0x') {
// contract creation
contractDeployed = true;
let contractExecResult;
try {
contractExecResult = this.transactionDeployContract(block);
const creationLogs = contractExecResult.logs;
vmStorage = contractExecResult.storage;
if (creationLogs.length) {
txLogs.push( ...creationLogs );
}
if (! contractExecResult.result) {
// Deploy Failed
status = 0;
error = new Error('CONTRACT_CREATION_FAILED');
// emit event
const debugError = {
message: 'CONTRACT_CREATION_FAILED',
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
} else {
// Deploy Success
createdContractAddress = contractExecResult.result.toLowerCase();
if (this.data.value.gt(0)) {
// Transfer tx value to contract
const _txData = {
...this.data,
to: createdContractAddress,
};
const [transferResult, transferLogs, transferReverted] = blockchain.transferEth(_txData, block);
txLogs.push( ...transferLogs );
if (transferResult) {
amountTransfered = this.data.value;
} else {
status = 0;
error = new Error('CONTRACT_CREATION_TRANSFER_FAILED');
}
}
// TODO: emit event CONTRACT_CREATION_SUCCESS ?
}
} catch (e) {
//console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] Cannot execute transaction');
//throw e;
status = 0;
error = new Error('CONTRACT_CREATION_ERROR');
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] CONTRACT_CREATION_ERROR with message', e.message)
// emit event
const debugError = {
message: 'CONTRACT_CREATION_ERROR',
error: e.message,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
_checkGas('afterContractCreation');
} else {
// contract execution
const contractAccount = blockchain.getAccount(contractAddress);
if (! contractAccount) {
status = 0;
error = new Error('CONTRACT_ACCOUNT_NOT_FOUND');
// emit event
const debugError = {
message: 'CONTRACT_ACCOUNT_NOT_FOUND',
address: contractAddress,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
if (status) {
storageBackup = JSON.stringify(contractAccount.data.storage);
balanceBackup = contractAccount.data.balance;
contractExecuted = true;
try {
const contractExecResult = this.executeTransactionContract(block);
const internalLogs = contractExecResult.logs;
vmStorage = contractExecResult.storage;
if (internalLogs.length) {
txLogs.push( ...internalLogs );
}
if (! contractExecResult.result) {
status = 0;
error = new Error('CONTRACT_EXEC_FAILED');
// emit event
const debugError = {
message: 'CONTRACT_EXEC_FAILED',
address: contractAddress,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
} catch (e) {
status = 0;
error = new Error('CONTRACT_EXEC_ERROR');
// emit event
const debugError = {
message: 'CONTRACT_EXEC_ERROR',
address: contractAddress,
error: e.message,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
}
_checkGas('afterContractCall');
}
}
const gasUsedAfterContractExecution = gasUsed;
const gasUsedInContractExecution = gasUsedAfterContractExecution.sub(gasUsedBeforeContractExecution);
const contractExecutionCost = gasUsedInContractExecution.mul(_tx.data.gasPrice);
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] execDuration =', (Math.round(execDuration * 1000000) / 1000000), ' seconds');
if (txCostEffective.gt(0)) {
// Gas payment
//const minerAccount = blockchain.getAccount(block.data.miner, true);
//const gasPaymentResult = minerAccount.transferFrom(accountFrom.address, txCostEffective);
const txDataGasPayment = {
from: accountFrom.address,
to: block.data.miner,
value: txCostEffective,
};
const [gasPaymentResult, gasPaymentLogs, transferReverted] = blockchain.transferEth(txDataGasPayment, block, true);
txLogs.push(...gasPaymentLogs);
if (gasPaymentResult) {
// gas payment success
} else {
// gas payment failed => reject transaction (and block)
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] Gas payment failed');
_rejectTransaction('GAS_PAYMENT_FAILED');
}
if (false) {
// DEBUG
const gasPercent = gasUsed.mul(100).div(this.data.gasLimit).toNumber();
const gasEffectivePercent = gasUsedEffective.mul(100).div(this.data.gasLimit).toNumber();
const costPercent = txCost.mul(100).div(txCostLimit).toNumber();
const costEffectivePercent = txCostEffective.mul(100).div(txCostLimit).toNumber();
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] txCostLimit =', ethers.utils.formatEther(txCostLimit));
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] txCostEffective =', ethers.utils.formatEther(txCostEffective));
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] gas % =', Math.round(gasPercent), '% =', Math.round(gasEffectivePercent), '%');
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] cost % =', Math.round(costPercent), '%', Math.round(costEffectivePercent), '%');
}
}
if (accountFrom.address != mintAddress) {
const accountFromBalanceAtEnd = blockchain.getAccountBalance(accountFrom.address);
if (accountFromBalanceAtEnd.lt(0)){
_rejectTransaction('TRANSACTION_FAILED_INSUFFICIENT_ETH_BALANCE_AT_END');
}
}
if (! status) {
// Transaction Failed
// Revert transfer
if (amountTransfered.gt(0)) {
const txDataRevert = {
...this.data,
from: this.data.to,
to: this.data.from,
value: amountTransfered,
};
const [transferResult, transferLogs, transferReverted] = blockchain.transferEth(txDataRevert, block);
// TODO: gerer le revert des internal transfers
}
txLogs.forEach(log => {
log.removed = true;
});
// Revert contract storage
if (contractExecuted) {
const contractAccount = blockchain.getAccount(contractAddress);
contractAccount.data.storage = JSON.parse(storageBackup, utils.bnJsonParser);
contractAccount.data.balance = balanceBackup;
} else if (amountTransfered) {
// on check aussi amountTransfered car le contrat peut avoir été exécuté via receive => TODO: process a revoir
const contractAccount = blockchain.getAccount(contractAddress);
if (contractAccount && contractAccount.isContract()) {
//contractAccount.data.storage = JSON.parse(storageBackup, utils.bnJsonParser);
//contractAccount.data.balance = balanceBackup;
// TODO
}
}
// Revert deployed contract
if (contractDeployed) {
// nothing to do ?
}
const gasPercent = gasUsed.mul(100).div(this.data.gasLimit).toNumber();
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] FAILED TRANSACTION ', this.data.hash, '| gas usage percent =', gasPercent, '%', ' | Error: ', error.message);
const realExecDuration = performance.now()/1000 - execTsStart; //parseFloat(process.hrtime(execTsStart).join('.'));
const realGasUsed = toBn(Math.round(realExecDuration * cpuPricePerSecond)); // TODO: prendre en compte le storage utilisé dans le calcul du gasUsed
const realGasPercent = realGasUsed.mul(100).div(this.data.gasLimit).toNumber();
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] FAILED TRANSACTION ', this.data.hash, '| real gas usage percent =', realGasPercent, '%', ' | Error: ', error.message);
} else {
// Transaction Success
// save contract storage
Object.entries(vmStorage).forEach((entry, idx) => {
const [contractAddress, contractStorage] = entry;
const contractAccount = blockchain.getAccount(contractAddress, true);
contractAccount.data.storage = contractStorage;
contractAccount.save();
});
// show result (debug)
const gasPercent = gasUsed.mul(100).div(this.data.gasLimit).toNumber();;
console.log(utils.getDate(), "[BLOCKCHAIN]", 'SUCCECSS TRANSACTION ', this.data.hash, '| gas usage percent =', gasPercent, '%');
}
// total gas utilisé dans le block
block.data.gasUsed = block.data.gasUsed.add(gasUsed);
// assign block data on logs
txLogs.forEach((txLog, idx) => {
txLog.data.transactionIndex = transactionIndex;
txLog.data.logIndex = logIndexOffset + idx;
txLog.data.transactionHash = this.data.hash;
txLog.data.blockHash = block.hash;
txLog.data.blockNumber = block.data.number;
});
const receiptData = {
transactionHash: this.data.hash,
transactionIndex: transactionIndex,
blockNumber: block.data.number,
blockHash: block.hash,
//logsBloom: '0x0000',
contractAddress: createdContractAddress,
gasUsed,
cumulativeGasUsed: block.data.gasUsed,
effectiveGasPrice: this.data.gasPrice,
effectiveCost: this.data.gasPrice.mul(gasUsed),
logs: txLogs,
status,
}
const receipt = new Receipt(blockchain, receiptData);
return [receipt, txLogs];
}",
executeTransactionContract: "(block) => {
let contractAddress = this.data.to;
const isNullRecipient = (! contractAddress || contractAddress.length <= 2);
if (isNullRecipient) {
throw new Error('CONTRACT_EXEC_ADDRESS_INVALID_BUG_1');
}
const contractAccount = blockchain.getAccount(contractAddress);
if (! contractAccount) {
throw new Error('CONTRACT_EXEC_ACCOUNT_NOT_FOUND');
}
// Execute existing contract method call
return blockchain.callContractMethodInVM(this.data, block);
}",
transactionDeployContract: "(block) => {
let contractAddress = this.data.to;
let contractAccount;
if (contractAddress && contractAddress.length > 2) {
throw new Error('CONTRACT_DEPLOY_ADDRESS_INVALID_BUG_2');
}
// CONTRACT CREATION
if (! this.data.data || this.data.data.length <= 2) {
throw new Error('CONTRACT_DEPLOY_INVALID_DATA_EMPTY_CODE');
}
// build contract address
contractAddress = ethers.utils.getContractAddress(this.data).toLocaleLowerCase();
// parse contract source code & constructor parameters
const codes = ethers.utils.defaultAbiCoder.decode(["string", "string"], this.data.data);
if (! codes) {
throw new Error('CONTRACT_DEPLOY_CODE_PARSING_FAILED');
}
const sourceCode = codes[0];
const constructorParams = codes[1];
const constructorRawParams = ethers.utils.defaultAbiCoder.encode(["string"], [constructorParams]);
const codeHash = ethers.utils.id(sourceCode);
const codeAbi = null; // l'abi sera généré une fois que le contrat aura été instancié
const storageHash = ethers.utils.id('{}');
// create new account
const accountData = {
address: contractAddress,
code: sourceCode,
codeHash,
codeAbi,
storage: {},
storageHash,
};
contractAccount = blockchain.createAccount(contractAddress, accountData);
// instanciate contract + call constructor + recuperer storage
const txData = {
from: this.data.from,
to: contractAddress,
data: constructorRawParams,
value: this.data.value.toHexString(),
};
const callResult = blockchain.deployContractInVM(txData, block);
const creationLogs = callResult.logs;
const vmStorage = callResult.storage;
// emit event
const eventParams = [
contractAddress,
];
const _txData = {
...this.data,
to: blockchain.getNullAddress(),
}
const deployLog = new TxLog(blockchain, null, _txData, 'ContractCreated', eventParams, deployAbi);
creationLogs.push(deployLog);
return {
result: contractAddress,
logs: creationLogs,
storage: vmStorage,
};
}",
timestamp: "1651572515672",
status: 1,
gasUsed: "17662"
},
0x242f750a46ec75c386606f20ed7d4c2a1486cf0150919aef761010e89c5b43eb: {
data: {
blockHash: "0x00159c1cfcf8717f506966ffcaa50f6f1ee46bf48ac7f60b1ee60979600d6436",
blockNumber: "3",
transactionIndex: 1,
hash: "0x242f750a46ec75c386606f20ed7d4c2a1486cf0150919aef761010e89c5b43eb",
from: "0x131a190fa22cb867abf58193bf9e7640e9fce682",
gasLimit: "1026150",
gasPrice: "1000000000",
data: 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nonce: "2",
to: "0x",
value: "0",
chainId: "3615",
origin: "1651572512663",
v: "1c61",
r: "ba56678227bb332eb4d1c3f12cc364089430e2cb540e18d039f5f052c6d5bb4b",
s: "38b0c26a130a04692fc548a89f8e69704dc4cf4133c357cd511ecd0cbb3717d5"
},
hash: "0x242f750a46ec75c386606f20ed7d4c2a1486cf0150919aef761010e89c5b43eb",
load: "() => {
const transactionFile = config.node.dataDir + '/transactions/' + this.hash + '.json';
if (! fs.existsSync(transactionFile)) {
console.warn(utils.getDate(), "[BLOCKCHAIN]", 'IMPORT Transaction not found', this.hash);
throw new Error('IMPORT_TRANSACTION_NOT_FOUND_DATABASE_CORRUPTED');
}
const transactionJson = fs.readFileSync(transactionFile);
transactionData = JSON.parse(transactionJson, utils.bnJsonParser);
this.data = (typeof transactionData == 'TransactionData') ? transactionData : new TransactionData(transactionData);
return true;
}",
save: "() => {
const transactionFile = config.node.dataDir + '/transactions/' + this.hash + '.json';
fs.writeFileSync(transactionFile, JSON.stringify(this.data));
return true;
}",
getReceipt: "() => {
return blockchain.getTransactionReceiptByHash(this.hash);
}",
getBlock: "() => {
return blockchain.getBlockByHash(this.data.blockHash);
}",
getBlockTransationPrev: "() => {
const block = this.getBlock();
const txPrevIdx = (this.data.transactionIndex > 0) ? (this.data.transactionIndex-1) : null;
const tx = (block && txPrevIdx in block.transactions) ? block.transactions[txPrevIdx] : null;
return tx;
}",
getBlockTransationNext: "() => {
const block = this.getBlock();
const txNextIdx = (this.data.transactionIndex < block.transactions.length - 1) ? (this.data.transactionIndex+1) : null;
const tx = (block && txNextIdx in block.transactions) ? block.transactions[txNextIdx] : null;
return tx;
}",
getAccountTransactionIndex: "() => {
const account = blockchain.getAccount(this.data.from);
if (! account) {
return null;
}
const txIdx = account.data.transactions.findIndex(transactionHash => blockchain.getTransactionByHash(transactionHash).hash == this.hash);
if (txIdx === -1) {
return null;
}
return txIdx;
}",
getAccountTransationPrev: "() => {
const account = blockchain.getAccount(this.data.from);
if (! account) {
return null;
}
const txIdx = this.getAccountTransactionIndex();
if (txIdx === null) {
return null;
}
const txPrevIdx = (txIdx > 0) ? (txIdx-1) : null;
const transactionHash = (txPrevIdx in account.data.transactions) ? account.data.transactions[txPrevIdx] : null;
if (! transactionHash) {
return null;
}
return blockchain.getTransactionByHash(transactionHash);
}",
getAccountTransationNext: "() => {
const account = blockchain.getAccount(this.data.from);
if (! account) {
return null;
}
const txIdx = this.getAccountTransactionIndex();
if (txIdx === null) {
return null;
}
const txNextIdx = (txIdx < account.data.transactions.length - 1) ? (txIdx+1) : null;
const transactionHash = (txNextIdx in account.data.transactions) ? account.data.transactions[txNextIdx] : null;
if (! transactionHash) {
return null;
}
return blockchain.getTransactionByHash(transactionHash);
}",
formatRpc: "() => {
// https://github.com/ethers-io/ethers.js/blob/master/packages/abstract-provider/lib/index.d.ts
const to = (this.data.to && this.data.to.length == 42) ? this.data.to : null;
const _txData = {
blockHash: this.data.blockHash,
blockNumber: this.data.blockNumber.toNumber(),
transactionIndex: this.data.transactionIndex,
hash: this.data.hash,
from: this.data.from,
gasLimit: this.data.gasLimit.toHexString(),
gasPrice: this.data.gasPrice.toHexString(),
data: this.data.data,
nonce: this.data.nonce.toHexString(),
to,
value: this.data.value.toHexString(),
chainId: this.data.chainId.toNumber(),
//origin: this.data.origin.toHexString(),
};
return _txData;
}",
getHashOLD: "() => {
const _txData = {
gasPrice: this.data.gasPrice,
gasLimit: this.data.gasLimit,
from: this.data.from,
to: this.data.to,
value: this.data.value,
data: this.data.data,
nonce: this.data.nonce,
};
const strvalue = JSON.stringify(utils.orderedObject(_txData));
const transactionHash = ethers.utils.id(strvalue);
return transactionHash;
}",
getHash: "() => {
const _txData = {
gasPrice: this.data.gasPrice.toHexString(),
gasLimit: this.data.gasLimit.toHexString(),
from: this.data.from,
to: this.data.to,
value: this.data.value.toHexString(),
data: this.data.data,
nonce: this.data.nonce.toHexString(),
v: this.data.v ? ('0x' + this.data.v) : '',
r: this.data.r ? ('0x' + this.data.r) : '',
s: this.data.s ? ('0x' + this.data.s) : '',
};
const tx = new EthereumJS.Transaction(_txData);
const hashRaw = tx.hash();
const transactionHash = ethers.utils.defaultAbiCoder.decode(["uint256"], hashRaw)[0].toHexString();
return transactionHash;
}",
execute: "(block, transactionIndex, logIndexOffset) => {
const _tx = this;
function _rejectTransaction(reason) {
// https://openethereum.github.io/Transactions-Queue
reason = reason || 'unknown';
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] REJECTED PROCESSING TRANSACTION', _tx.data.hash, ' (Reason:', reason + ')');
const success = blockchain.removeTransactionsFromMempool([_tx.hash], true, true);
if (success) {
saveMempool();
}
throw new Error(reason); // on rejete definitivement la tx (elle ne sera pas minée ... et donc aucun frais de gas ne sera compté)
// et du coup on rejete le block
}
function _checkGas(step) {
execDuration = performance.now()/1000 - execTsStart; //parseFloat(process.hrtime(execTsStart).join('.'));
gasUsed = toBn(Math.round(execDuration * cpuPricePerSecond)); // TODO: prendre en compte le storage utilisé dans le calcul du gasUsed
txCost = gasUsed.mul(_tx.data.gasPrice);
if (step == 'afterTransfer') {
//debugger;
}
if (status) {
gasUsedEffective = gasUsed;
txCostEffective = gasUsedEffective.mul(_tx.data.gasPrice);
if (gasUsed.gt(_tx.data.gasLimit)) {
status = 0;
error = new Error('INSUFFICIENT_GAS');
gasUsedEffective = _tx.data.gasLimit;
txCostEffective = txCostLimit;
// emit event
const debugError = {
message: 'INSUFFICIENT_GAS',
step,
gasPrice: _tx.data.gasPrice,
gasLimit: _tx.data.gasLimit,
gasUsed,
gasUsedEffective,
txCostLimit,
txCost,
txCostEffective,
execDuration,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, _tx.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
}
}
//const block = this;
const txLogs = [];
let vmStorage = {};
let gasUsed = toBn(0);
let gasUsedEffective = toBn(0);
let status = 1;
let error = null;
let createdContractAddress = null;
let amountTransfered = toBn(0);
const contractAddress = this.data.to;
let storageBackup;
let balanceBackup;
let contractExecuted = false;
let contractDeployed = false;
const execTsStart = performance.now()/1000; //process.hrtime(); //Date.now();
let execDuration = 0;
const txCostLimit = this.data.gasLimit.mul(this.data.gasPrice);
let txCost = toBn(0);
let txCostEffective = toBn(0);
const accountFrom = blockchain.getAccount(this.data.from);
if (! accountFrom) {
_rejectTransaction('TRANSACTION_REJECTED_EMPTY_ACCOUNT');
}
const accountFromBalance = accountFrom.data.balance;
if (accountFrom.address != mintAddress) {
// verif nonce
const expectedNonce = toBn(accountFrom.data.transactions.length); // le nonce attendu est egal au nombre de transactions passées de l'account
if (! this.data.nonce.eq(expectedNonce)) {
_rejectTransaction('TRANSACTION_REJECTED_INCORRECT_NONCE');
}
// verif balance pour gas + transfer
if (this.data.value && this.data.value.gt(0)) {
if (accountFromBalance.lt(this.data.value.add(txCostLimit))) {
// l'adresse n'a pas suffisamment de fond pour executer la transaction (selon gasLimit)
// TODO: faut-il rejeter la tx ? ou la laisser passer (en status=0) et lui vider sa balance (si 100% du gas est utilisé) ?
//return _rejectTransaction('TRANSACTION_FAILED_INSUFFICIENT_ETH_BALANCE');
_rejectTransaction('TRANSACTION_REJECTED_INSUFFICIENT_ETH_BALANCE');
}
}
}
_checkGas('init');
if (status) {
if (this.data.value && this.data.value.gt(0) && contractAddress && contractAddress.length > 2) {
// Transfer la valeur demandée (simple ETH transaction)
const [transferResult, transferLogs, transferReverted] = blockchain.transferEth(this.data, block);
txLogs.push( ...transferLogs );
// si recipient == contract => on transfer quand meme dès maintenant => TODO: a revoir (le transferEth declenche un appel à receive ... avant meme de savoir si unne methode payable doit etre appelée. Probleme si receive provoque un revert => la fonction payable ne sera pas appelée)
// 1) si methode payable appellée, on l'execute
// 2) si methode non payable => on appelle receive juste avant
// 3) si methode inconnue => revert
if (transferResult && transferReverted) {
// reverted (after transfer)
amountTransfered = this.data.value;
status = 0;
error = new Error('TRANSFER_REVERTED');
} else if (transferResult) {
// success
amountTransfered = this.data.value;
} else {
// transfer failed
status = 0;
error = new Error('TRANSFER_FAILED');
}
}
_checkGas('afterTransfer');
}
const gasUsedBeforeContractExecution = gasUsed;
if (status && this.data.data && this.data.data != '0x') {
// Traitement du champ data de la transaction (smart contract call)
if (!contractAddress || contractAddress == '0x') {
// contract creation
contractDeployed = true;
let contractExecResult;
try {
contractExecResult = this.transactionDeployContract(block);
const creationLogs = contractExecResult.logs;
vmStorage = contractExecResult.storage;
if (creationLogs.length) {
txLogs.push( ...creationLogs );
}
if (! contractExecResult.result) {
// Deploy Failed
status = 0;
error = new Error('CONTRACT_CREATION_FAILED');
// emit event
const debugError = {
message: 'CONTRACT_CREATION_FAILED',
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
} else {
// Deploy Success
createdContractAddress = contractExecResult.result.toLowerCase();
if (this.data.value.gt(0)) {
// Transfer tx value to contract
const _txData = {
...this.data,
to: createdContractAddress,
};
const [transferResult, transferLogs, transferReverted] = blockchain.transferEth(_txData, block);
txLogs.push( ...transferLogs );
if (transferResult) {
amountTransfered = this.data.value;
} else {
status = 0;
error = new Error('CONTRACT_CREATION_TRANSFER_FAILED');
}
}
// TODO: emit event CONTRACT_CREATION_SUCCESS ?
}
} catch (e) {
//console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] Cannot execute transaction');
//throw e;
status = 0;
error = new Error('CONTRACT_CREATION_ERROR');
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] CONTRACT_CREATION_ERROR with message', e.message)
// emit event
const debugError = {
message: 'CONTRACT_CREATION_ERROR',
error: e.message,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
_checkGas('afterContractCreation');
} else {
// contract execution
const contractAccount = blockchain.getAccount(contractAddress);
if (! contractAccount) {
status = 0;
error = new Error('CONTRACT_ACCOUNT_NOT_FOUND');
// emit event
const debugError = {
message: 'CONTRACT_ACCOUNT_NOT_FOUND',
address: contractAddress,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
if (status) {
storageBackup = JSON.stringify(contractAccount.data.storage);
balanceBackup = contractAccount.data.balance;
contractExecuted = true;
try {
const contractExecResult = this.executeTransactionContract(block);
const internalLogs = contractExecResult.logs;
vmStorage = contractExecResult.storage;
if (internalLogs.length) {
txLogs.push( ...internalLogs );
}
if (! contractExecResult.result) {
status = 0;
error = new Error('CONTRACT_EXEC_FAILED');
// emit event
const debugError = {
message: 'CONTRACT_EXEC_FAILED',
address: contractAddress,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
} catch (e) {
status = 0;
error = new Error('CONTRACT_EXEC_ERROR');
// emit event
const debugError = {
message: 'CONTRACT_EXEC_ERROR',
address: contractAddress,
error: e.message,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
}
_checkGas('afterContractCall');
}
}
const gasUsedAfterContractExecution = gasUsed;
const gasUsedInContractExecution = gasUsedAfterContractExecution.sub(gasUsedBeforeContractExecution);
const contractExecutionCost = gasUsedInContractExecution.mul(_tx.data.gasPrice);
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] execDuration =', (Math.round(execDuration * 1000000) / 1000000), ' seconds');
if (txCostEffective.gt(0)) {
// Gas payment
//const minerAccount = blockchain.getAccount(block.data.miner, true);
//const gasPaymentResult = minerAccount.transferFrom(accountFrom.address, txCostEffective);
const txDataGasPayment = {
from: accountFrom.address,
to: block.data.miner,
value: txCostEffective,
};
const [gasPaymentResult, gasPaymentLogs, transferReverted] = blockchain.transferEth(txDataGasPayment, block, true);
txLogs.push(...gasPaymentLogs);
if (gasPaymentResult) {
// gas payment success
} else {
// gas payment failed => reject transaction (and block)
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] Gas payment failed');
_rejectTransaction('GAS_PAYMENT_FAILED');
}
if (false) {
// DEBUG
const gasPercent = gasUsed.mul(100).div(this.data.gasLimit).toNumber();
const gasEffectivePercent = gasUsedEffective.mul(100).div(this.data.gasLimit).toNumber();
const costPercent = txCost.mul(100).div(txCostLimit).toNumber();
const costEffectivePercent = txCostEffective.mul(100).div(txCostLimit).toNumber();
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] txCostLimit =', ethers.utils.formatEther(txCostLimit));
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] txCostEffective =', ethers.utils.formatEther(txCostEffective));
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] gas % =', Math.round(gasPercent), '% =', Math.round(gasEffectivePercent), '%');
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] cost % =', Math.round(costPercent), '%', Math.round(costEffectivePercent), '%');
}
}
if (accountFrom.address != mintAddress) {
const accountFromBalanceAtEnd = blockchain.getAccountBalance(accountFrom.address);
if (accountFromBalanceAtEnd.lt(0)){
_rejectTransaction('TRANSACTION_FAILED_INSUFFICIENT_ETH_BALANCE_AT_END');
}
}
if (! status) {
// Transaction Failed
// Revert transfer
if (amountTransfered.gt(0)) {
const txDataRevert = {
...this.data,
from: this.data.to,
to: this.data.from,
value: amountTransfered,
};
const [transferResult, transferLogs, transferReverted] = blockchain.transferEth(txDataRevert, block);
// TODO: gerer le revert des internal transfers
}
txLogs.forEach(log => {
log.removed = true;
});
// Revert contract storage
if (contractExecuted) {
const contractAccount = blockchain.getAccount(contractAddress);
contractAccount.data.storage = JSON.parse(storageBackup, utils.bnJsonParser);
contractAccount.data.balance = balanceBackup;
} else if (amountTransfered) {
// on check aussi amountTransfered car le contrat peut avoir été exécuté via receive => TODO: process a revoir
const contractAccount = blockchain.getAccount(contractAddress);
if (contractAccount && contractAccount.isContract()) {
//contractAccount.data.storage = JSON.parse(storageBackup, utils.bnJsonParser);
//contractAccount.data.balance = balanceBackup;
// TODO
}
}
// Revert deployed contract
if (contractDeployed) {
// nothing to do ?
}
const gasPercent = gasUsed.mul(100).div(this.data.gasLimit).toNumber();
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] FAILED TRANSACTION ', this.data.hash, '| gas usage percent =', gasPercent, '%', ' | Error: ', error.message);
const realExecDuration = performance.now()/1000 - execTsStart; //parseFloat(process.hrtime(execTsStart).join('.'));
const realGasUsed = toBn(Math.round(realExecDuration * cpuPricePerSecond)); // TODO: prendre en compte le storage utilisé dans le calcul du gasUsed
const realGasPercent = realGasUsed.mul(100).div(this.data.gasLimit).toNumber();
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] FAILED TRANSACTION ', this.data.hash, '| real gas usage percent =', realGasPercent, '%', ' | Error: ', error.message);
} else {
// Transaction Success
// save contract storage
Object.entries(vmStorage).forEach((entry, idx) => {
const [contractAddress, contractStorage] = entry;
const contractAccount = blockchain.getAccount(contractAddress, true);
contractAccount.data.storage = contractStorage;
contractAccount.save();
});
// show result (debug)
const gasPercent = gasUsed.mul(100).div(this.data.gasLimit).toNumber();;
console.log(utils.getDate(), "[BLOCKCHAIN]", 'SUCCECSS TRANSACTION ', this.data.hash, '| gas usage percent =', gasPercent, '%');
}
// total gas utilisé dans le block
block.data.gasUsed = block.data.gasUsed.add(gasUsed);
// assign block data on logs
txLogs.forEach((txLog, idx) => {
txLog.data.transactionIndex = transactionIndex;
txLog.data.logIndex = logIndexOffset + idx;
txLog.data.transactionHash = this.data.hash;
txLog.data.blockHash = block.hash;
txLog.data.blockNumber = block.data.number;
});
const receiptData = {
transactionHash: this.data.hash,
transactionIndex: transactionIndex,
blockNumber: block.data.number,
blockHash: block.hash,
//logsBloom: '0x0000',
contractAddress: createdContractAddress,
gasUsed,
cumulativeGasUsed: block.data.gasUsed,
effectiveGasPrice: this.data.gasPrice,
effectiveCost: this.data.gasPrice.mul(gasUsed),
logs: txLogs,
status,
}
const receipt = new Receipt(blockchain, receiptData);
return [receipt, txLogs];
}",
executeTransactionContract: "(block) => {
let contractAddress = this.data.to;
const isNullRecipient = (! contractAddress || contractAddress.length <= 2);
if (isNullRecipient) {
throw new Error('CONTRACT_EXEC_ADDRESS_INVALID_BUG_1');
}
const contractAccount = blockchain.getAccount(contractAddress);
if (! contractAccount) {
throw new Error('CONTRACT_EXEC_ACCOUNT_NOT_FOUND');
}
// Execute existing contract method call
return blockchain.callContractMethodInVM(this.data, block);
}",
transactionDeployContract: "(block) => {
let contractAddress = this.data.to;
let contractAccount;
if (contractAddress && contractAddress.length > 2) {
throw new Error('CONTRACT_DEPLOY_ADDRESS_INVALID_BUG_2');
}
// CONTRACT CREATION
if (! this.data.data || this.data.data.length <= 2) {
throw new Error('CONTRACT_DEPLOY_INVALID_DATA_EMPTY_CODE');
}
// build contract address
contractAddress = ethers.utils.getContractAddress(this.data).toLocaleLowerCase();
// parse contract source code & constructor parameters
const codes = ethers.utils.defaultAbiCoder.decode(["string", "string"], this.data.data);
if (! codes) {
throw new Error('CONTRACT_DEPLOY_CODE_PARSING_FAILED');
}
const sourceCode = codes[0];
const constructorParams = codes[1];
const constructorRawParams = ethers.utils.defaultAbiCoder.encode(["string"], [constructorParams]);
const codeHash = ethers.utils.id(sourceCode);
const codeAbi = null; // l'abi sera généré une fois que le contrat aura été instancié
const storageHash = ethers.utils.id('{}');
// create new account
const accountData = {
address: contractAddress,
code: sourceCode,
codeHash,
codeAbi,
storage: {},
storageHash,
};
contractAccount = blockchain.createAccount(contractAddress, accountData);
// instanciate contract + call constructor + recuperer storage
const txData = {
from: this.data.from,
to: contractAddress,
data: constructorRawParams,
value: this.data.value.toHexString(),
};
const callResult = blockchain.deployContractInVM(txData, block);
const creationLogs = callResult.logs;
const vmStorage = callResult.storage;
// emit event
const eventParams = [
contractAddress,
];
const _txData = {
...this.data,
to: blockchain.getNullAddress(),
}
const deployLog = new TxLog(blockchain, null, _txData, 'ContractCreated', eventParams, deployAbi);
creationLogs.push(deployLog);
return {
result: contractAddress,
logs: creationLogs,
storage: vmStorage,
};
}",
timestamp: "1651572515672",
status: 1,
gasUsed: "8192"
},
0x27e73c42af396d9235a8853bbcefb4616a038980141c7a5b4c38ee527ff91477: {
data: {
blockHash: "0x00984edd40de5df064bb772c113d288d9d12599ba750074e6150184f409f87c5",
blockNumber: "4",
transactionIndex: 0,
hash: "0x27e73c42af396d9235a8853bbcefb4616a038980141c7a5b4c38ee527ff91477",
from: "0x0000000000000000000000000000000000000001",
gasLimit: "1000000000000000000",
gasPrice: "0",
data: "0x",
nonce: "3",
to: "0xccf8ba457dcad7ee6a0361c96846a0f79744b113",
value: "250000000000000000000",
chainId: "3615",
origin: "1651572520847",
v: "",
r: "",
s: ""
},
hash: "0x27e73c42af396d9235a8853bbcefb4616a038980141c7a5b4c38ee527ff91477",
load: "() => {
const transactionFile = config.node.dataDir + '/transactions/' + this.hash + '.json';
if (! fs.existsSync(transactionFile)) {
console.warn(utils.getDate(), "[BLOCKCHAIN]", 'IMPORT Transaction not found', this.hash);
throw new Error('IMPORT_TRANSACTION_NOT_FOUND_DATABASE_CORRUPTED');
}
const transactionJson = fs.readFileSync(transactionFile);
transactionData = JSON.parse(transactionJson, utils.bnJsonParser);
this.data = (typeof transactionData == 'TransactionData') ? transactionData : new TransactionData(transactionData);
return true;
}",
save: "() => {
const transactionFile = config.node.dataDir + '/transactions/' + this.hash + '.json';
fs.writeFileSync(transactionFile, JSON.stringify(this.data));
return true;
}",
getReceipt: "() => {
return blockchain.getTransactionReceiptByHash(this.hash);
}",
getBlock: "() => {
return blockchain.getBlockByHash(this.data.blockHash);
}",
getBlockTransationPrev: "() => {
const block = this.getBlock();
const txPrevIdx = (this.data.transactionIndex > 0) ? (this.data.transactionIndex-1) : null;
const tx = (block && txPrevIdx in block.transactions) ? block.transactions[txPrevIdx] : null;
return tx;
}",
getBlockTransationNext: "() => {
const block = this.getBlock();
const txNextIdx = (this.data.transactionIndex < block.transactions.length - 1) ? (this.data.transactionIndex+1) : null;
const tx = (block && txNextIdx in block.transactions) ? block.transactions[txNextIdx] : null;
return tx;
}",
getAccountTransactionIndex: "() => {
const account = blockchain.getAccount(this.data.from);
if (! account) {
return null;
}
const txIdx = account.data.transactions.findIndex(transactionHash => blockchain.getTransactionByHash(transactionHash).hash == this.hash);
if (txIdx === -1) {
return null;
}
return txIdx;
}",
getAccountTransationPrev: "() => {
const account = blockchain.getAccount(this.data.from);
if (! account) {
return null;
}
const txIdx = this.getAccountTransactionIndex();
if (txIdx === null) {
return null;
}
const txPrevIdx = (txIdx > 0) ? (txIdx-1) : null;
const transactionHash = (txPrevIdx in account.data.transactions) ? account.data.transactions[txPrevIdx] : null;
if (! transactionHash) {
return null;
}
return blockchain.getTransactionByHash(transactionHash);
}",
getAccountTransationNext: "() => {
const account = blockchain.getAccount(this.data.from);
if (! account) {
return null;
}
const txIdx = this.getAccountTransactionIndex();
if (txIdx === null) {
return null;
}
const txNextIdx = (txIdx < account.data.transactions.length - 1) ? (txIdx+1) : null;
const transactionHash = (txNextIdx in account.data.transactions) ? account.data.transactions[txNextIdx] : null;
if (! transactionHash) {
return null;
}
return blockchain.getTransactionByHash(transactionHash);
}",
formatRpc: "() => {
// https://github.com/ethers-io/ethers.js/blob/master/packages/abstract-provider/lib/index.d.ts
const to = (this.data.to && this.data.to.length == 42) ? this.data.to : null;
const _txData = {
blockHash: this.data.blockHash,
blockNumber: this.data.blockNumber.toNumber(),
transactionIndex: this.data.transactionIndex,
hash: this.data.hash,
from: this.data.from,
gasLimit: this.data.gasLimit.toHexString(),
gasPrice: this.data.gasPrice.toHexString(),
data: this.data.data,
nonce: this.data.nonce.toHexString(),
to,
value: this.data.value.toHexString(),
chainId: this.data.chainId.toNumber(),
//origin: this.data.origin.toHexString(),
};
return _txData;
}",
getHashOLD: "() => {
const _txData = {
gasPrice: this.data.gasPrice,
gasLimit: this.data.gasLimit,
from: this.data.from,
to: this.data.to,
value: this.data.value,
data: this.data.data,
nonce: this.data.nonce,
};
const strvalue = JSON.stringify(utils.orderedObject(_txData));
const transactionHash = ethers.utils.id(strvalue);
return transactionHash;
}",
getHash: "() => {
const _txData = {
gasPrice: this.data.gasPrice.toHexString(),
gasLimit: this.data.gasLimit.toHexString(),
from: this.data.from,
to: this.data.to,
value: this.data.value.toHexString(),
data: this.data.data,
nonce: this.data.nonce.toHexString(),
v: this.data.v ? ('0x' + this.data.v) : '',
r: this.data.r ? ('0x' + this.data.r) : '',
s: this.data.s ? ('0x' + this.data.s) : '',
};
const tx = new EthereumJS.Transaction(_txData);
const hashRaw = tx.hash();
const transactionHash = ethers.utils.defaultAbiCoder.decode(["uint256"], hashRaw)[0].toHexString();
return transactionHash;
}",
execute: "(block, transactionIndex, logIndexOffset) => {
const _tx = this;
function _rejectTransaction(reason) {
// https://openethereum.github.io/Transactions-Queue
reason = reason || 'unknown';
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] REJECTED PROCESSING TRANSACTION', _tx.data.hash, ' (Reason:', reason + ')');
const success = blockchain.removeTransactionsFromMempool([_tx.hash], true, true);
if (success) {
saveMempool();
}
throw new Error(reason); // on rejete definitivement la tx (elle ne sera pas minée ... et donc aucun frais de gas ne sera compté)
// et du coup on rejete le block
}
function _checkGas(step) {
execDuration = performance.now()/1000 - execTsStart; //parseFloat(process.hrtime(execTsStart).join('.'));
gasUsed = toBn(Math.round(execDuration * cpuPricePerSecond)); // TODO: prendre en compte le storage utilisé dans le calcul du gasUsed
txCost = gasUsed.mul(_tx.data.gasPrice);
if (step == 'afterTransfer') {
//debugger;
}
if (status) {
gasUsedEffective = gasUsed;
txCostEffective = gasUsedEffective.mul(_tx.data.gasPrice);
if (gasUsed.gt(_tx.data.gasLimit)) {
status = 0;
error = new Error('INSUFFICIENT_GAS');
gasUsedEffective = _tx.data.gasLimit;
txCostEffective = txCostLimit;
// emit event
const debugError = {
message: 'INSUFFICIENT_GAS',
step,
gasPrice: _tx.data.gasPrice,
gasLimit: _tx.data.gasLimit,
gasUsed,
gasUsedEffective,
txCostLimit,
txCost,
txCostEffective,
execDuration,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, _tx.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
}
}
//const block = this;
const txLogs = [];
let vmStorage = {};
let gasUsed = toBn(0);
let gasUsedEffective = toBn(0);
let status = 1;
let error = null;
let createdContractAddress = null;
let amountTransfered = toBn(0);
const contractAddress = this.data.to;
let storageBackup;
let balanceBackup;
let contractExecuted = false;
let contractDeployed = false;
const execTsStart = performance.now()/1000; //process.hrtime(); //Date.now();
let execDuration = 0;
const txCostLimit = this.data.gasLimit.mul(this.data.gasPrice);
let txCost = toBn(0);
let txCostEffective = toBn(0);
const accountFrom = blockchain.getAccount(this.data.from);
if (! accountFrom) {
_rejectTransaction('TRANSACTION_REJECTED_EMPTY_ACCOUNT');
}
const accountFromBalance = accountFrom.data.balance;
if (accountFrom.address != mintAddress) {
// verif nonce
const expectedNonce = toBn(accountFrom.data.transactions.length); // le nonce attendu est egal au nombre de transactions passées de l'account
if (! this.data.nonce.eq(expectedNonce)) {
_rejectTransaction('TRANSACTION_REJECTED_INCORRECT_NONCE');
}
// verif balance pour gas + transfer
if (this.data.value && this.data.value.gt(0)) {
if (accountFromBalance.lt(this.data.value.add(txCostLimit))) {
// l'adresse n'a pas suffisamment de fond pour executer la transaction (selon gasLimit)
// TODO: faut-il rejeter la tx ? ou la laisser passer (en status=0) et lui vider sa balance (si 100% du gas est utilisé) ?
//return _rejectTransaction('TRANSACTION_FAILED_INSUFFICIENT_ETH_BALANCE');
_rejectTransaction('TRANSACTION_REJECTED_INSUFFICIENT_ETH_BALANCE');
}
}
}
_checkGas('init');
if (status) {
if (this.data.value && this.data.value.gt(0) && contractAddress && contractAddress.length > 2) {
// Transfer la valeur demandée (simple ETH transaction)
const [transferResult, transferLogs, transferReverted] = blockchain.transferEth(this.data, block);
txLogs.push( ...transferLogs );
// si recipient == contract => on transfer quand meme dès maintenant => TODO: a revoir (le transferEth declenche un appel à receive ... avant meme de savoir si unne methode payable doit etre appelée. Probleme si receive provoque un revert => la fonction payable ne sera pas appelée)
// 1) si methode payable appellée, on l'execute
// 2) si methode non payable => on appelle receive juste avant
// 3) si methode inconnue => revert
if (transferResult && transferReverted) {
// reverted (after transfer)
amountTransfered = this.data.value;
status = 0;
error = new Error('TRANSFER_REVERTED');
} else if (transferResult) {
// success
amountTransfered = this.data.value;
} else {
// transfer failed
status = 0;
error = new Error('TRANSFER_FAILED');
}
}
_checkGas('afterTransfer');
}
const gasUsedBeforeContractExecution = gasUsed;
if (status && this.data.data && this.data.data != '0x') {
// Traitement du champ data de la transaction (smart contract call)
if (!contractAddress || contractAddress == '0x') {
// contract creation
contractDeployed = true;
let contractExecResult;
try {
contractExecResult = this.transactionDeployContract(block);
const creationLogs = contractExecResult.logs;
vmStorage = contractExecResult.storage;
if (creationLogs.length) {
txLogs.push( ...creationLogs );
}
if (! contractExecResult.result) {
// Deploy Failed
status = 0;
error = new Error('CONTRACT_CREATION_FAILED');
// emit event
const debugError = {
message: 'CONTRACT_CREATION_FAILED',
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
} else {
// Deploy Success
createdContractAddress = contractExecResult.result.toLowerCase();
if (this.data.value.gt(0)) {
// Transfer tx value to contract
const _txData = {
...this.data,
to: createdContractAddress,
};
const [transferResult, transferLogs, transferReverted] = blockchain.transferEth(_txData, block);
txLogs.push( ...transferLogs );
if (transferResult) {
amountTransfered = this.data.value;
} else {
status = 0;
error = new Error('CONTRACT_CREATION_TRANSFER_FAILED');
}
}
// TODO: emit event CONTRACT_CREATION_SUCCESS ?
}
} catch (e) {
//console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] Cannot execute transaction');
//throw e;
status = 0;
error = new Error('CONTRACT_CREATION_ERROR');
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] CONTRACT_CREATION_ERROR with message', e.message)
// emit event
const debugError = {
message: 'CONTRACT_CREATION_ERROR',
error: e.message,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
_checkGas('afterContractCreation');
} else {
// contract execution
const contractAccount = blockchain.getAccount(contractAddress);
if (! contractAccount) {
status = 0;
error = new Error('CONTRACT_ACCOUNT_NOT_FOUND');
// emit event
const debugError = {
message: 'CONTRACT_ACCOUNT_NOT_FOUND',
address: contractAddress,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
if (status) {
storageBackup = JSON.stringify(contractAccount.data.storage);
balanceBackup = contractAccount.data.balance;
contractExecuted = true;
try {
const contractExecResult = this.executeTransactionContract(block);
const internalLogs = contractExecResult.logs;
vmStorage = contractExecResult.storage;
if (internalLogs.length) {
txLogs.push( ...internalLogs );
}
if (! contractExecResult.result) {
status = 0;
error = new Error('CONTRACT_EXEC_FAILED');
// emit event
const debugError = {
message: 'CONTRACT_EXEC_FAILED',
address: contractAddress,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
} catch (e) {
status = 0;
error = new Error('CONTRACT_EXEC_ERROR');
// emit event
const debugError = {
message: 'CONTRACT_EXEC_ERROR',
address: contractAddress,
error: e.message,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
}
_checkGas('afterContractCall');
}
}
const gasUsedAfterContractExecution = gasUsed;
const gasUsedInContractExecution = gasUsedAfterContractExecution.sub(gasUsedBeforeContractExecution);
const contractExecutionCost = gasUsedInContractExecution.mul(_tx.data.gasPrice);
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] execDuration =', (Math.round(execDuration * 1000000) / 1000000), ' seconds');
if (txCostEffective.gt(0)) {
// Gas payment
//const minerAccount = blockchain.getAccount(block.data.miner, true);
//const gasPaymentResult = minerAccount.transferFrom(accountFrom.address, txCostEffective);
const txDataGasPayment = {
from: accountFrom.address,
to: block.data.miner,
value: txCostEffective,
};
const [gasPaymentResult, gasPaymentLogs, transferReverted] = blockchain.transferEth(txDataGasPayment, block, true);
txLogs.push(...gasPaymentLogs);
if (gasPaymentResult) {
// gas payment success
} else {
// gas payment failed => reject transaction (and block)
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] Gas payment failed');
_rejectTransaction('GAS_PAYMENT_FAILED');
}
if (false) {
// DEBUG
const gasPercent = gasUsed.mul(100).div(this.data.gasLimit).toNumber();
const gasEffectivePercent = gasUsedEffective.mul(100).div(this.data.gasLimit).toNumber();
const costPercent = txCost.mul(100).div(txCostLimit).toNumber();
const costEffectivePercent = txCostEffective.mul(100).div(txCostLimit).toNumber();
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] txCostLimit =', ethers.utils.formatEther(txCostLimit));
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] txCostEffective =', ethers.utils.formatEther(txCostEffective));
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] gas % =', Math.round(gasPercent), '% =', Math.round(gasEffectivePercent), '%');
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] cost % =', Math.round(costPercent), '%', Math.round(costEffectivePercent), '%');
}
}
if (accountFrom.address != mintAddress) {
const accountFromBalanceAtEnd = blockchain.getAccountBalance(accountFrom.address);
if (accountFromBalanceAtEnd.lt(0)){
_rejectTransaction('TRANSACTION_FAILED_INSUFFICIENT_ETH_BALANCE_AT_END');
}
}
if (! status) {
// Transaction Failed
// Revert transfer
if (amountTransfered.gt(0)) {
const txDataRevert = {
...this.data,
from: this.data.to,
to: this.data.from,
value: amountTransfered,
};
const [transferResult, transferLogs, transferReverted] = blockchain.transferEth(txDataRevert, block);
// TODO: gerer le revert des internal transfers
}
txLogs.forEach(log => {
log.removed = true;
});
// Revert contract storage
if (contractExecuted) {
const contractAccount = blockchain.getAccount(contractAddress);
contractAccount.data.storage = JSON.parse(storageBackup, utils.bnJsonParser);
contractAccount.data.balance = balanceBackup;
} else if (amountTransfered) {
// on check aussi amountTransfered car le contrat peut avoir été exécuté via receive => TODO: process a revoir
const contractAccount = blockchain.getAccount(contractAddress);
if (contractAccount && contractAccount.isContract()) {
//contractAccount.data.storage = JSON.parse(storageBackup, utils.bnJsonParser);
//contractAccount.data.balance = balanceBackup;
// TODO
}
}
// Revert deployed contract
if (contractDeployed) {
// nothing to do ?
}
const gasPercent = gasUsed.mul(100).div(this.data.gasLimit).toNumber();
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] FAILED TRANSACTION ', this.data.hash, '| gas usage percent =', gasPercent, '%', ' | Error: ', error.message);
const realExecDuration = performance.now()/1000 - execTsStart; //parseFloat(process.hrtime(execTsStart).join('.'));
const realGasUsed = toBn(Math.round(realExecDuration * cpuPricePerSecond)); // TODO: prendre en compte le storage utilisé dans le calcul du gasUsed
const realGasPercent = realGasUsed.mul(100).div(this.data.gasLimit).toNumber();
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] FAILED TRANSACTION ', this.data.hash, '| real gas usage percent =', realGasPercent, '%', ' | Error: ', error.message);
} else {
// Transaction Success
// save contract storage
Object.entries(vmStorage).forEach((entry, idx) => {
const [contractAddress, contractStorage] = entry;
const contractAccount = blockchain.getAccount(contractAddress, true);
contractAccount.data.storage = contractStorage;
contractAccount.save();
});
// show result (debug)
const gasPercent = gasUsed.mul(100).div(this.data.gasLimit).toNumber();;
console.log(utils.getDate(), "[BLOCKCHAIN]", 'SUCCECSS TRANSACTION ', this.data.hash, '| gas usage percent =', gasPercent, '%');
}
// total gas utilisé dans le block
block.data.gasUsed = block.data.gasUsed.add(gasUsed);
// assign block data on logs
txLogs.forEach((txLog, idx) => {
txLog.data.transactionIndex = transactionIndex;
txLog.data.logIndex = logIndexOffset + idx;
txLog.data.transactionHash = this.data.hash;
txLog.data.blockHash = block.hash;
txLog.data.blockNumber = block.data.number;
});
const receiptData = {
transactionHash: this.data.hash,
transactionIndex: transactionIndex,
blockNumber: block.data.number,
blockHash: block.hash,
//logsBloom: '0x0000',
contractAddress: createdContractAddress,
gasUsed,
cumulativeGasUsed: block.data.gasUsed,
effectiveGasPrice: this.data.gasPrice,
effectiveCost: this.data.gasPrice.mul(gasUsed),
logs: txLogs,
status,
}
const receipt = new Receipt(blockchain, receiptData);
return [receipt, txLogs];
}",
executeTransactionContract: "(block) => {
let contractAddress = this.data.to;
const isNullRecipient = (! contractAddress || contractAddress.length <= 2);
if (isNullRecipient) {
throw new Error('CONTRACT_EXEC_ADDRESS_INVALID_BUG_1');
}
const contractAccount = blockchain.getAccount(contractAddress);
if (! contractAccount) {
throw new Error('CONTRACT_EXEC_ACCOUNT_NOT_FOUND');
}
// Execute existing contract method call
return blockchain.callContractMethodInVM(this.data, block);
}",
transactionDeployContract: "(block) => {
let contractAddress = this.data.to;
let contractAccount;
if (contractAddress && contractAddress.length > 2) {
throw new Error('CONTRACT_DEPLOY_ADDRESS_INVALID_BUG_2');
}
// CONTRACT CREATION
if (! this.data.data || this.data.data.length <= 2) {
throw new Error('CONTRACT_DEPLOY_INVALID_DATA_EMPTY_CODE');
}
// build contract address
contractAddress = ethers.utils.getContractAddress(this.data).toLocaleLowerCase();
// parse contract source code & constructor parameters
const codes = ethers.utils.defaultAbiCoder.decode(["string", "string"], this.data.data);
if (! codes) {
throw new Error('CONTRACT_DEPLOY_CODE_PARSING_FAILED');
}
const sourceCode = codes[0];
const constructorParams = codes[1];
const constructorRawParams = ethers.utils.defaultAbiCoder.encode(["string"], [constructorParams]);
const codeHash = ethers.utils.id(sourceCode);
const codeAbi = null; // l'abi sera généré une fois que le contrat aura été instancié
const storageHash = ethers.utils.id('{}');
// create new account
const accountData = {
address: contractAddress,
code: sourceCode,
codeHash,
codeAbi,
storage: {},
storageHash,
};
contractAccount = blockchain.createAccount(contractAddress, accountData);
// instanciate contract + call constructor + recuperer storage
const txData = {
from: this.data.from,
to: contractAddress,
data: constructorRawParams,
value: this.data.value.toHexString(),
};
const callResult = blockchain.deployContractInVM(txData, block);
const creationLogs = callResult.logs;
const vmStorage = callResult.storage;
// emit event
const eventParams = [
contractAddress,
];
const _txData = {
...this.data,
to: blockchain.getNullAddress(),
}
const deployLog = new TxLog(blockchain, null, _txData, 'ContractCreated', eventParams, deployAbi);
creationLogs.push(deployLog);
return {
result: contractAddress,
logs: creationLogs,
storage: vmStorage,
};
}",
timestamp: "1651572522237",
status: 1,
gasUsed: "2870"
},
0x484d9c454cc34fc752903e492ce5c573118ba68824594a6fe0eabedd938361f6: {
data: {
blockHash: "0x00984edd40de5df064bb772c113d288d9d12599ba750074e6150184f409f87c5",
blockNumber: "4",
transactionIndex: 1,
hash: "0x484d9c454cc34fc752903e492ce5c573118ba68824594a6fe0eabedd938361f6",
from: "0x131a190fa22cb867abf58193bf9e7640e9fce682",
gasLimit: "1034900",
gasPrice: "1000000000",
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nonce: "3",
to: "0x",
value: "0",
chainId: "3615",
origin: "1651572518038",
v: "1c61",
r: "ab608e48519c177551b5c95bfa8957457ce09228fa08b7b0b9f969c50ca1cf99",
s: "998d2eebee6018906c1a9e12337283ee402ad71d6be3d65c6ec8efc5de0d335"
},
hash: "0x484d9c454cc34fc752903e492ce5c573118ba68824594a6fe0eabedd938361f6",
load: "() => {
const transactionFile = config.node.dataDir + '/transactions/' + this.hash + '.json';
if (! fs.existsSync(transactionFile)) {
console.warn(utils.getDate(), "[BLOCKCHAIN]", 'IMPORT Transaction not found', this.hash);
throw new Error('IMPORT_TRANSACTION_NOT_FOUND_DATABASE_CORRUPTED');
}
const transactionJson = fs.readFileSync(transactionFile);
transactionData = JSON.parse(transactionJson, utils.bnJsonParser);
this.data = (typeof transactionData == 'TransactionData') ? transactionData : new TransactionData(transactionData);
return true;
}",
save: "() => {
const transactionFile = config.node.dataDir + '/transactions/' + this.hash + '.json';
fs.writeFileSync(transactionFile, JSON.stringify(this.data));
return true;
}",
getReceipt: "() => {
return blockchain.getTransactionReceiptByHash(this.hash);
}",
getBlock: "() => {
return blockchain.getBlockByHash(this.data.blockHash);
}",
getBlockTransationPrev: "() => {
const block = this.getBlock();
const txPrevIdx = (this.data.transactionIndex > 0) ? (this.data.transactionIndex-1) : null;
const tx = (block && txPrevIdx in block.transactions) ? block.transactions[txPrevIdx] : null;
return tx;
}",
getBlockTransationNext: "() => {
const block = this.getBlock();
const txNextIdx = (this.data.transactionIndex < block.transactions.length - 1) ? (this.data.transactionIndex+1) : null;
const tx = (block && txNextIdx in block.transactions) ? block.transactions[txNextIdx] : null;
return tx;
}",
getAccountTransactionIndex: "() => {
const account = blockchain.getAccount(this.data.from);
if (! account) {
return null;
}
const txIdx = account.data.transactions.findIndex(transactionHash => blockchain.getTransactionByHash(transactionHash).hash == this.hash);
if (txIdx === -1) {
return null;
}
return txIdx;
}",
getAccountTransationPrev: "() => {
const account = blockchain.getAccount(this.data.from);
if (! account) {
return null;
}
const txIdx = this.getAccountTransactionIndex();
if (txIdx === null) {
return null;
}
const txPrevIdx = (txIdx > 0) ? (txIdx-1) : null;
const transactionHash = (txPrevIdx in account.data.transactions) ? account.data.transactions[txPrevIdx] : null;
if (! transactionHash) {
return null;
}
return blockchain.getTransactionByHash(transactionHash);
}",
getAccountTransationNext: "() => {
const account = blockchain.getAccount(this.data.from);
if (! account) {
return null;
}
const txIdx = this.getAccountTransactionIndex();
if (txIdx === null) {
return null;
}
const txNextIdx = (txIdx < account.data.transactions.length - 1) ? (txIdx+1) : null;
const transactionHash = (txNextIdx in account.data.transactions) ? account.data.transactions[txNextIdx] : null;
if (! transactionHash) {
return null;
}
return blockchain.getTransactionByHash(transactionHash);
}",
formatRpc: "() => {
// https://github.com/ethers-io/ethers.js/blob/master/packages/abstract-provider/lib/index.d.ts
const to = (this.data.to && this.data.to.length == 42) ? this.data.to : null;
const _txData = {
blockHash: this.data.blockHash,
blockNumber: this.data.blockNumber.toNumber(),
transactionIndex: this.data.transactionIndex,
hash: this.data.hash,
from: this.data.from,
gasLimit: this.data.gasLimit.toHexString(),
gasPrice: this.data.gasPrice.toHexString(),
data: this.data.data,
nonce: this.data.nonce.toHexString(),
to,
value: this.data.value.toHexString(),
chainId: this.data.chainId.toNumber(),
//origin: this.data.origin.toHexString(),
};
return _txData;
}",
getHashOLD: "() => {
const _txData = {
gasPrice: this.data.gasPrice,
gasLimit: this.data.gasLimit,
from: this.data.from,
to: this.data.to,
value: this.data.value,
data: this.data.data,
nonce: this.data.nonce,
};
const strvalue = JSON.stringify(utils.orderedObject(_txData));
const transactionHash = ethers.utils.id(strvalue);
return transactionHash;
}",
getHash: "() => {
const _txData = {
gasPrice: this.data.gasPrice.toHexString(),
gasLimit: this.data.gasLimit.toHexString(),
from: this.data.from,
to: this.data.to,
value: this.data.value.toHexString(),
data: this.data.data,
nonce: this.data.nonce.toHexString(),
v: this.data.v ? ('0x' + this.data.v) : '',
r: this.data.r ? ('0x' + this.data.r) : '',
s: this.data.s ? ('0x' + this.data.s) : '',
};
const tx = new EthereumJS.Transaction(_txData);
const hashRaw = tx.hash();
const transactionHash = ethers.utils.defaultAbiCoder.decode(["uint256"], hashRaw)[0].toHexString();
return transactionHash;
}",
execute: "(block, transactionIndex, logIndexOffset) => {
const _tx = this;
function _rejectTransaction(reason) {
// https://openethereum.github.io/Transactions-Queue
reason = reason || 'unknown';
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] REJECTED PROCESSING TRANSACTION', _tx.data.hash, ' (Reason:', reason + ')');
const success = blockchain.removeTransactionsFromMempool([_tx.hash], true, true);
if (success) {
saveMempool();
}
throw new Error(reason); // on rejete definitivement la tx (elle ne sera pas minée ... et donc aucun frais de gas ne sera compté)
// et du coup on rejete le block
}
function _checkGas(step) {
execDuration = performance.now()/1000 - execTsStart; //parseFloat(process.hrtime(execTsStart).join('.'));
gasUsed = toBn(Math.round(execDuration * cpuPricePerSecond)); // TODO: prendre en compte le storage utilisé dans le calcul du gasUsed
txCost = gasUsed.mul(_tx.data.gasPrice);
if (step == 'afterTransfer') {
//debugger;
}
if (status) {
gasUsedEffective = gasUsed;
txCostEffective = gasUsedEffective.mul(_tx.data.gasPrice);
if (gasUsed.gt(_tx.data.gasLimit)) {
status = 0;
error = new Error('INSUFFICIENT_GAS');
gasUsedEffective = _tx.data.gasLimit;
txCostEffective = txCostLimit;
// emit event
const debugError = {
message: 'INSUFFICIENT_GAS',
step,
gasPrice: _tx.data.gasPrice,
gasLimit: _tx.data.gasLimit,
gasUsed,
gasUsedEffective,
txCostLimit,
txCost,
txCostEffective,
execDuration,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, _tx.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
}
}
//const block = this;
const txLogs = [];
let vmStorage = {};
let gasUsed = toBn(0);
let gasUsedEffective = toBn(0);
let status = 1;
let error = null;
let createdContractAddress = null;
let amountTransfered = toBn(0);
const contractAddress = this.data.to;
let storageBackup;
let balanceBackup;
let contractExecuted = false;
let contractDeployed = false;
const execTsStart = performance.now()/1000; //process.hrtime(); //Date.now();
let execDuration = 0;
const txCostLimit = this.data.gasLimit.mul(this.data.gasPrice);
let txCost = toBn(0);
let txCostEffective = toBn(0);
const accountFrom = blockchain.getAccount(this.data.from);
if (! accountFrom) {
_rejectTransaction('TRANSACTION_REJECTED_EMPTY_ACCOUNT');
}
const accountFromBalance = accountFrom.data.balance;
if (accountFrom.address != mintAddress) {
// verif nonce
const expectedNonce = toBn(accountFrom.data.transactions.length); // le nonce attendu est egal au nombre de transactions passées de l'account
if (! this.data.nonce.eq(expectedNonce)) {
_rejectTransaction('TRANSACTION_REJECTED_INCORRECT_NONCE');
}
// verif balance pour gas + transfer
if (this.data.value && this.data.value.gt(0)) {
if (accountFromBalance.lt(this.data.value.add(txCostLimit))) {
// l'adresse n'a pas suffisamment de fond pour executer la transaction (selon gasLimit)
// TODO: faut-il rejeter la tx ? ou la laisser passer (en status=0) et lui vider sa balance (si 100% du gas est utilisé) ?
//return _rejectTransaction('TRANSACTION_FAILED_INSUFFICIENT_ETH_BALANCE');
_rejectTransaction('TRANSACTION_REJECTED_INSUFFICIENT_ETH_BALANCE');
}
}
}
_checkGas('init');
if (status) {
if (this.data.value && this.data.value.gt(0) && contractAddress && contractAddress.length > 2) {
// Transfer la valeur demandée (simple ETH transaction)
const [transferResult, transferLogs, transferReverted] = blockchain.transferEth(this.data, block);
txLogs.push( ...transferLogs );
// si recipient == contract => on transfer quand meme dès maintenant => TODO: a revoir (le transferEth declenche un appel à receive ... avant meme de savoir si unne methode payable doit etre appelée. Probleme si receive provoque un revert => la fonction payable ne sera pas appelée)
// 1) si methode payable appellée, on l'execute
// 2) si methode non payable => on appelle receive juste avant
// 3) si methode inconnue => revert
if (transferResult && transferReverted) {
// reverted (after transfer)
amountTransfered = this.data.value;
status = 0;
error = new Error('TRANSFER_REVERTED');
} else if (transferResult) {
// success
amountTransfered = this.data.value;
} else {
// transfer failed
status = 0;
error = new Error('TRANSFER_FAILED');
}
}
_checkGas('afterTransfer');
}
const gasUsedBeforeContractExecution = gasUsed;
if (status && this.data.data && this.data.data != '0x') {
// Traitement du champ data de la transaction (smart contract call)
if (!contractAddress || contractAddress == '0x') {
// contract creation
contractDeployed = true;
let contractExecResult;
try {
contractExecResult = this.transactionDeployContract(block);
const creationLogs = contractExecResult.logs;
vmStorage = contractExecResult.storage;
if (creationLogs.length) {
txLogs.push( ...creationLogs );
}
if (! contractExecResult.result) {
// Deploy Failed
status = 0;
error = new Error('CONTRACT_CREATION_FAILED');
// emit event
const debugError = {
message: 'CONTRACT_CREATION_FAILED',
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
} else {
// Deploy Success
createdContractAddress = contractExecResult.result.toLowerCase();
if (this.data.value.gt(0)) {
// Transfer tx value to contract
const _txData = {
...this.data,
to: createdContractAddress,
};
const [transferResult, transferLogs, transferReverted] = blockchain.transferEth(_txData, block);
txLogs.push( ...transferLogs );
if (transferResult) {
amountTransfered = this.data.value;
} else {
status = 0;
error = new Error('CONTRACT_CREATION_TRANSFER_FAILED');
}
}
// TODO: emit event CONTRACT_CREATION_SUCCESS ?
}
} catch (e) {
//console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] Cannot execute transaction');
//throw e;
status = 0;
error = new Error('CONTRACT_CREATION_ERROR');
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] CONTRACT_CREATION_ERROR with message', e.message)
// emit event
const debugError = {
message: 'CONTRACT_CREATION_ERROR',
error: e.message,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
_checkGas('afterContractCreation');
} else {
// contract execution
const contractAccount = blockchain.getAccount(contractAddress);
if (! contractAccount) {
status = 0;
error = new Error('CONTRACT_ACCOUNT_NOT_FOUND');
// emit event
const debugError = {
message: 'CONTRACT_ACCOUNT_NOT_FOUND',
address: contractAddress,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
if (status) {
storageBackup = JSON.stringify(contractAccount.data.storage);
balanceBackup = contractAccount.data.balance;
contractExecuted = true;
try {
const contractExecResult = this.executeTransactionContract(block);
const internalLogs = contractExecResult.logs;
vmStorage = contractExecResult.storage;
if (internalLogs.length) {
txLogs.push( ...internalLogs );
}
if (! contractExecResult.result) {
status = 0;
error = new Error('CONTRACT_EXEC_FAILED');
// emit event
const debugError = {
message: 'CONTRACT_EXEC_FAILED',
address: contractAddress,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
} catch (e) {
status = 0;
error = new Error('CONTRACT_EXEC_ERROR');
// emit event
const debugError = {
message: 'CONTRACT_EXEC_ERROR',
address: contractAddress,
error: e.message,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
}
_checkGas('afterContractCall');
}
}
const gasUsedAfterContractExecution = gasUsed;
const gasUsedInContractExecution = gasUsedAfterContractExecution.sub(gasUsedBeforeContractExecution);
const contractExecutionCost = gasUsedInContractExecution.mul(_tx.data.gasPrice);
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] execDuration =', (Math.round(execDuration * 1000000) / 1000000), ' seconds');
if (txCostEffective.gt(0)) {
// Gas payment
//const minerAccount = blockchain.getAccount(block.data.miner, true);
//const gasPaymentResult = minerAccount.transferFrom(accountFrom.address, txCostEffective);
const txDataGasPayment = {
from: accountFrom.address,
to: block.data.miner,
value: txCostEffective,
};
const [gasPaymentResult, gasPaymentLogs, transferReverted] = blockchain.transferEth(txDataGasPayment, block, true);
txLogs.push(...gasPaymentLogs);
if (gasPaymentResult) {
// gas payment success
} else {
// gas payment failed => reject transaction (and block)
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] Gas payment failed');
_rejectTransaction('GAS_PAYMENT_FAILED');
}
if (false) {
// DEBUG
const gasPercent = gasUsed.mul(100).div(this.data.gasLimit).toNumber();
const gasEffectivePercent = gasUsedEffective.mul(100).div(this.data.gasLimit).toNumber();
const costPercent = txCost.mul(100).div(txCostLimit).toNumber();
const costEffectivePercent = txCostEffective.mul(100).div(txCostLimit).toNumber();
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] txCostLimit =', ethers.utils.formatEther(txCostLimit));
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] txCostEffective =', ethers.utils.formatEther(txCostEffective));
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] gas % =', Math.round(gasPercent), '% =', Math.round(gasEffectivePercent), '%');
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] cost % =', Math.round(costPercent), '%', Math.round(costEffectivePercent), '%');
}
}
if (accountFrom.address != mintAddress) {
const accountFromBalanceAtEnd = blockchain.getAccountBalance(accountFrom.address);
if (accountFromBalanceAtEnd.lt(0)){
_rejectTransaction('TRANSACTION_FAILED_INSUFFICIENT_ETH_BALANCE_AT_END');
}
}
if (! status) {
// Transaction Failed
// Revert transfer
if (amountTransfered.gt(0)) {
const txDataRevert = {
...this.data,
from: this.data.to,
to: this.data.from,
value: amountTransfered,
};
const [transferResult, transferLogs, transferReverted] = blockchain.transferEth(txDataRevert, block);
// TODO: gerer le revert des internal transfers
}
txLogs.forEach(log => {
log.removed = true;
});
// Revert contract storage
if (contractExecuted) {
const contractAccount = blockchain.getAccount(contractAddress);
contractAccount.data.storage = JSON.parse(storageBackup, utils.bnJsonParser);
contractAccount.data.balance = balanceBackup;
} else if (amountTransfered) {
// on check aussi amountTransfered car le contrat peut avoir été exécuté via receive => TODO: process a revoir
const contractAccount = blockchain.getAccount(contractAddress);
if (contractAccount && contractAccount.isContract()) {
//contractAccount.data.storage = JSON.parse(storageBackup, utils.bnJsonParser);
//contractAccount.data.balance = balanceBackup;
// TODO
}
}
// Revert deployed contract
if (contractDeployed) {
// nothing to do ?
}
const gasPercent = gasUsed.mul(100).div(this.data.gasLimit).toNumber();
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] FAILED TRANSACTION ', this.data.hash, '| gas usage percent =', gasPercent, '%', ' | Error: ', error.message);
const realExecDuration = performance.now()/1000 - execTsStart; //parseFloat(process.hrtime(execTsStart).join('.'));
const realGasUsed = toBn(Math.round(realExecDuration * cpuPricePerSecond)); // TODO: prendre en compte le storage utilisé dans le calcul du gasUsed
const realGasPercent = realGasUsed.mul(100).div(this.data.gasLimit).toNumber();
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] FAILED TRANSACTION ', this.data.hash, '| real gas usage percent =', realGasPercent, '%', ' | Error: ', error.message);
} else {
// Transaction Success
// save contract storage
Object.entries(vmStorage).forEach((entry, idx) => {
const [contractAddress, contractStorage] = entry;
const contractAccount = blockchain.getAccount(contractAddress, true);
contractAccount.data.storage = contractStorage;
contractAccount.save();
});
// show result (debug)
const gasPercent = gasUsed.mul(100).div(this.data.gasLimit).toNumber();;
console.log(utils.getDate(), "[BLOCKCHAIN]", 'SUCCECSS TRANSACTION ', this.data.hash, '| gas usage percent =', gasPercent, '%');
}
// total gas utilisé dans le block
block.data.gasUsed = block.data.gasUsed.add(gasUsed);
// assign block data on logs
txLogs.forEach((txLog, idx) => {
txLog.data.transactionIndex = transactionIndex;
txLog.data.logIndex = logIndexOffset + idx;
txLog.data.transactionHash = this.data.hash;
txLog.data.blockHash = block.hash;
txLog.data.blockNumber = block.data.number;
});
const receiptData = {
transactionHash: this.data.hash,
transactionIndex: transactionIndex,
blockNumber: block.data.number,
blockHash: block.hash,
//logsBloom: '0x0000',
contractAddress: createdContractAddress,
gasUsed,
cumulativeGasUsed: block.data.gasUsed,
effectiveGasPrice: this.data.gasPrice,
effectiveCost: this.data.gasPrice.mul(gasUsed),
logs: txLogs,
status,
}
const receipt = new Receipt(blockchain, receiptData);
return [receipt, txLogs];
}",
executeTransactionContract: "(block) => {
let contractAddress = this.data.to;
const isNullRecipient = (! contractAddress || contractAddress.length <= 2);
if (isNullRecipient) {
throw new Error('CONTRACT_EXEC_ADDRESS_INVALID_BUG_1');
}
const contractAccount = blockchain.getAccount(contractAddress);
if (! contractAccount) {
throw new Error('CONTRACT_EXEC_ACCOUNT_NOT_FOUND');
}
// Execute existing contract method call
return blockchain.callContractMethodInVM(this.data, block);
}",
transactionDeployContract: "(block) => {
let contractAddress = this.data.to;
let contractAccount;
if (contractAddress && contractAddress.length > 2) {
throw new Error('CONTRACT_DEPLOY_ADDRESS_INVALID_BUG_2');
}
// CONTRACT CREATION
if (! this.data.data || this.data.data.length <= 2) {
throw new Error('CONTRACT_DEPLOY_INVALID_DATA_EMPTY_CODE');
}
// build contract address
contractAddress = ethers.utils.getContractAddress(this.data).toLocaleLowerCase();
// parse contract source code & constructor parameters
const codes = ethers.utils.defaultAbiCoder.decode(["string", "string"], this.data.data);
if (! codes) {
throw new Error('CONTRACT_DEPLOY_CODE_PARSING_FAILED');
}
const sourceCode = codes[0];
const constructorParams = codes[1];
const constructorRawParams = ethers.utils.defaultAbiCoder.encode(["string"], [constructorParams]);
const codeHash = ethers.utils.id(sourceCode);
const codeAbi = null; // l'abi sera généré une fois que le contrat aura été instancié
const storageHash = ethers.utils.id('{}');
// create new account
const accountData = {
address: contractAddress,
code: sourceCode,
codeHash,
codeAbi,
storage: {},
storageHash,
};
contractAccount = blockchain.createAccount(contractAddress, accountData);
// instanciate contract + call constructor + recuperer storage
const txData = {
from: this.data.from,
to: contractAddress,
data: constructorRawParams,
value: this.data.value.toHexString(),
};
const callResult = blockchain.deployContractInVM(txData, block);
const creationLogs = callResult.logs;
const vmStorage = callResult.storage;
// emit event
const eventParams = [
contractAddress,
];
const _txData = {
...this.data,
to: blockchain.getNullAddress(),
}
const deployLog = new TxLog(blockchain, null, _txData, 'ContractCreated', eventParams, deployAbi);
creationLogs.push(deployLog);
return {
result: contractAddress,
logs: creationLogs,
storage: vmStorage,
};
}",
timestamp: "1651572522237",
status: 1,
gasUsed: "24473"
},
0x064db09f8ba8a213241f621442f62b9e1a69154aed2455cd68bd217f9a1e907b: {
data: {
blockHash: "0x00b78e2d71f5430ea94beb2f6001c4ed6a97e6916a8a000fe57accad16de9ee9",
blockNumber: "5",
transactionIndex: 0,
hash: "0x064db09f8ba8a213241f621442f62b9e1a69154aed2455cd68bd217f9a1e907b",
from: "0x0000000000000000000000000000000000000001",
gasLimit: "1000000000000000000",
gasPrice: "0",
data: "0x",
nonce: "4",
to: "0xccf8ba457dcad7ee6a0361c96846a0f79744b113",
value: "250000000000000000000",
chainId: "3615",
origin: "1651572528074",
v: "",
r: "",
s: ""
},
hash: "0x064db09f8ba8a213241f621442f62b9e1a69154aed2455cd68bd217f9a1e907b",
load: "() => {
const transactionFile = config.node.dataDir + '/transactions/' + this.hash + '.json';
if (! fs.existsSync(transactionFile)) {
console.warn(utils.getDate(), "[BLOCKCHAIN]", 'IMPORT Transaction not found', this.hash);
throw new Error('IMPORT_TRANSACTION_NOT_FOUND_DATABASE_CORRUPTED');
}
const transactionJson = fs.readFileSync(transactionFile);
transactionData = JSON.parse(transactionJson, utils.bnJsonParser);
this.data = (typeof transactionData == 'TransactionData') ? transactionData : new TransactionData(transactionData);
return true;
}",
save: "() => {
const transactionFile = config.node.dataDir + '/transactions/' + this.hash + '.json';
fs.writeFileSync(transactionFile, JSON.stringify(this.data));
return true;
}",
getReceipt: "() => {
return blockchain.getTransactionReceiptByHash(this.hash);
}",
getBlock: "() => {
return blockchain.getBlockByHash(this.data.blockHash);
}",
getBlockTransationPrev: "() => {
const block = this.getBlock();
const txPrevIdx = (this.data.transactionIndex > 0) ? (this.data.transactionIndex-1) : null;
const tx = (block && txPrevIdx in block.transactions) ? block.transactions[txPrevIdx] : null;
return tx;
}",
getBlockTransationNext: "() => {
const block = this.getBlock();
const txNextIdx = (this.data.transactionIndex < block.transactions.length - 1) ? (this.data.transactionIndex+1) : null;
const tx = (block && txNextIdx in block.transactions) ? block.transactions[txNextIdx] : null;
return tx;
}",
getAccountTransactionIndex: "() => {
const account = blockchain.getAccount(this.data.from);
if (! account) {
return null;
}
const txIdx = account.data.transactions.findIndex(transactionHash => blockchain.getTransactionByHash(transactionHash).hash == this.hash);
if (txIdx === -1) {
return null;
}
return txIdx;
}",
getAccountTransationPrev: "() => {
const account = blockchain.getAccount(this.data.from);
if (! account) {
return null;
}
const txIdx = this.getAccountTransactionIndex();
if (txIdx === null) {
return null;
}
const txPrevIdx = (txIdx > 0) ? (txIdx-1) : null;
const transactionHash = (txPrevIdx in account.data.transactions) ? account.data.transactions[txPrevIdx] : null;
if (! transactionHash) {
return null;
}
return blockchain.getTransactionByHash(transactionHash);
}",
getAccountTransationNext: "() => {
const account = blockchain.getAccount(this.data.from);
if (! account) {
return null;
}
const txIdx = this.getAccountTransactionIndex();
if (txIdx === null) {
return null;
}
const txNextIdx = (txIdx < account.data.transactions.length - 1) ? (txIdx+1) : null;
const transactionHash = (txNextIdx in account.data.transactions) ? account.data.transactions[txNextIdx] : null;
if (! transactionHash) {
return null;
}
return blockchain.getTransactionByHash(transactionHash);
}",
formatRpc: "() => {
// https://github.com/ethers-io/ethers.js/blob/master/packages/abstract-provider/lib/index.d.ts
const to = (this.data.to && this.data.to.length == 42) ? this.data.to : null;
const _txData = {
blockHash: this.data.blockHash,
blockNumber: this.data.blockNumber.toNumber(),
transactionIndex: this.data.transactionIndex,
hash: this.data.hash,
from: this.data.from,
gasLimit: this.data.gasLimit.toHexString(),
gasPrice: this.data.gasPrice.toHexString(),
data: this.data.data,
nonce: this.data.nonce.toHexString(),
to,
value: this.data.value.toHexString(),
chainId: this.data.chainId.toNumber(),
//origin: this.data.origin.toHexString(),
};
return _txData;
}",
getHashOLD: "() => {
const _txData = {
gasPrice: this.data.gasPrice,
gasLimit: this.data.gasLimit,
from: this.data.from,
to: this.data.to,
value: this.data.value,
data: this.data.data,
nonce: this.data.nonce,
};
const strvalue = JSON.stringify(utils.orderedObject(_txData));
const transactionHash = ethers.utils.id(strvalue);
return transactionHash;
}",
getHash: "() => {
const _txData = {
gasPrice: this.data.gasPrice.toHexString(),
gasLimit: this.data.gasLimit.toHexString(),
from: this.data.from,
to: this.data.to,
value: this.data.value.toHexString(),
data: this.data.data,
nonce: this.data.nonce.toHexString(),
v: this.data.v ? ('0x' + this.data.v) : '',
r: this.data.r ? ('0x' + this.data.r) : '',
s: this.data.s ? ('0x' + this.data.s) : '',
};
const tx = new EthereumJS.Transaction(_txData);
const hashRaw = tx.hash();
const transactionHash = ethers.utils.defaultAbiCoder.decode(["uint256"], hashRaw)[0].toHexString();
return transactionHash;
}",
execute: "(block, transactionIndex, logIndexOffset) => {
const _tx = this;
function _rejectTransaction(reason) {
// https://openethereum.github.io/Transactions-Queue
reason = reason || 'unknown';
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] REJECTED PROCESSING TRANSACTION', _tx.data.hash, ' (Reason:', reason + ')');
const success = blockchain.removeTransactionsFromMempool([_tx.hash], true, true);
if (success) {
saveMempool();
}
throw new Error(reason); // on rejete definitivement la tx (elle ne sera pas minée ... et donc aucun frais de gas ne sera compté)
// et du coup on rejete le block
}
function _checkGas(step) {
execDuration = performance.now()/1000 - execTsStart; //parseFloat(process.hrtime(execTsStart).join('.'));
gasUsed = toBn(Math.round(execDuration * cpuPricePerSecond)); // TODO: prendre en compte le storage utilisé dans le calcul du gasUsed
txCost = gasUsed.mul(_tx.data.gasPrice);
if (step == 'afterTransfer') {
//debugger;
}
if (status) {
gasUsedEffective = gasUsed;
txCostEffective = gasUsedEffective.mul(_tx.data.gasPrice);
if (gasUsed.gt(_tx.data.gasLimit)) {
status = 0;
error = new Error('INSUFFICIENT_GAS');
gasUsedEffective = _tx.data.gasLimit;
txCostEffective = txCostLimit;
// emit event
const debugError = {
message: 'INSUFFICIENT_GAS',
step,
gasPrice: _tx.data.gasPrice,
gasLimit: _tx.data.gasLimit,
gasUsed,
gasUsedEffective,
txCostLimit,
txCost,
txCostEffective,
execDuration,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, _tx.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
}
}
//const block = this;
const txLogs = [];
let vmStorage = {};
let gasUsed = toBn(0);
let gasUsedEffective = toBn(0);
let status = 1;
let error = null;
let createdContractAddress = null;
let amountTransfered = toBn(0);
const contractAddress = this.data.to;
let storageBackup;
let balanceBackup;
let contractExecuted = false;
let contractDeployed = false;
const execTsStart = performance.now()/1000; //process.hrtime(); //Date.now();
let execDuration = 0;
const txCostLimit = this.data.gasLimit.mul(this.data.gasPrice);
let txCost = toBn(0);
let txCostEffective = toBn(0);
const accountFrom = blockchain.getAccount(this.data.from);
if (! accountFrom) {
_rejectTransaction('TRANSACTION_REJECTED_EMPTY_ACCOUNT');
}
const accountFromBalance = accountFrom.data.balance;
if (accountFrom.address != mintAddress) {
// verif nonce
const expectedNonce = toBn(accountFrom.data.transactions.length); // le nonce attendu est egal au nombre de transactions passées de l'account
if (! this.data.nonce.eq(expectedNonce)) {
_rejectTransaction('TRANSACTION_REJECTED_INCORRECT_NONCE');
}
// verif balance pour gas + transfer
if (this.data.value && this.data.value.gt(0)) {
if (accountFromBalance.lt(this.data.value.add(txCostLimit))) {
// l'adresse n'a pas suffisamment de fond pour executer la transaction (selon gasLimit)
// TODO: faut-il rejeter la tx ? ou la laisser passer (en status=0) et lui vider sa balance (si 100% du gas est utilisé) ?
//return _rejectTransaction('TRANSACTION_FAILED_INSUFFICIENT_ETH_BALANCE');
_rejectTransaction('TRANSACTION_REJECTED_INSUFFICIENT_ETH_BALANCE');
}
}
}
_checkGas('init');
if (status) {
if (this.data.value && this.data.value.gt(0) && contractAddress && contractAddress.length > 2) {
// Transfer la valeur demandée (simple ETH transaction)
const [transferResult, transferLogs, transferReverted] = blockchain.transferEth(this.data, block);
txLogs.push( ...transferLogs );
// si recipient == contract => on transfer quand meme dès maintenant => TODO: a revoir (le transferEth declenche un appel à receive ... avant meme de savoir si unne methode payable doit etre appelée. Probleme si receive provoque un revert => la fonction payable ne sera pas appelée)
// 1) si methode payable appellée, on l'execute
// 2) si methode non payable => on appelle receive juste avant
// 3) si methode inconnue => revert
if (transferResult && transferReverted) {
// reverted (after transfer)
amountTransfered = this.data.value;
status = 0;
error = new Error('TRANSFER_REVERTED');
} else if (transferResult) {
// success
amountTransfered = this.data.value;
} else {
// transfer failed
status = 0;
error = new Error('TRANSFER_FAILED');
}
}
_checkGas('afterTransfer');
}
const gasUsedBeforeContractExecution = gasUsed;
if (status && this.data.data && this.data.data != '0x') {
// Traitement du champ data de la transaction (smart contract call)
if (!contractAddress || contractAddress == '0x') {
// contract creation
contractDeployed = true;
let contractExecResult;
try {
contractExecResult = this.transactionDeployContract(block);
const creationLogs = contractExecResult.logs;
vmStorage = contractExecResult.storage;
if (creationLogs.length) {
txLogs.push( ...creationLogs );
}
if (! contractExecResult.result) {
// Deploy Failed
status = 0;
error = new Error('CONTRACT_CREATION_FAILED');
// emit event
const debugError = {
message: 'CONTRACT_CREATION_FAILED',
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
} else {
// Deploy Success
createdContractAddress = contractExecResult.result.toLowerCase();
if (this.data.value.gt(0)) {
// Transfer tx value to contract
const _txData = {
...this.data,
to: createdContractAddress,
};
const [transferResult, transferLogs, transferReverted] = blockchain.transferEth(_txData, block);
txLogs.push( ...transferLogs );
if (transferResult) {
amountTransfered = this.data.value;
} else {
status = 0;
error = new Error('CONTRACT_CREATION_TRANSFER_FAILED');
}
}
// TODO: emit event CONTRACT_CREATION_SUCCESS ?
}
} catch (e) {
//console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] Cannot execute transaction');
//throw e;
status = 0;
error = new Error('CONTRACT_CREATION_ERROR');
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] CONTRACT_CREATION_ERROR with message', e.message)
// emit event
const debugError = {
message: 'CONTRACT_CREATION_ERROR',
error: e.message,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
_checkGas('afterContractCreation');
} else {
// contract execution
const contractAccount = blockchain.getAccount(contractAddress);
if (! contractAccount) {
status = 0;
error = new Error('CONTRACT_ACCOUNT_NOT_FOUND');
// emit event
const debugError = {
message: 'CONTRACT_ACCOUNT_NOT_FOUND',
address: contractAddress,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
if (status) {
storageBackup = JSON.stringify(contractAccount.data.storage);
balanceBackup = contractAccount.data.balance;
contractExecuted = true;
try {
const contractExecResult = this.executeTransactionContract(block);
const internalLogs = contractExecResult.logs;
vmStorage = contractExecResult.storage;
if (internalLogs.length) {
txLogs.push( ...internalLogs );
}
if (! contractExecResult.result) {
status = 0;
error = new Error('CONTRACT_EXEC_FAILED');
// emit event
const debugError = {
message: 'CONTRACT_EXEC_FAILED',
address: contractAddress,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
} catch (e) {
status = 0;
error = new Error('CONTRACT_EXEC_ERROR');
// emit event
const debugError = {
message: 'CONTRACT_EXEC_ERROR',
address: contractAddress,
error: e.message,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
}
_checkGas('afterContractCall');
}
}
const gasUsedAfterContractExecution = gasUsed;
const gasUsedInContractExecution = gasUsedAfterContractExecution.sub(gasUsedBeforeContractExecution);
const contractExecutionCost = gasUsedInContractExecution.mul(_tx.data.gasPrice);
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] execDuration =', (Math.round(execDuration * 1000000) / 1000000), ' seconds');
if (txCostEffective.gt(0)) {
// Gas payment
//const minerAccount = blockchain.getAccount(block.data.miner, true);
//const gasPaymentResult = minerAccount.transferFrom(accountFrom.address, txCostEffective);
const txDataGasPayment = {
from: accountFrom.address,
to: block.data.miner,
value: txCostEffective,
};
const [gasPaymentResult, gasPaymentLogs, transferReverted] = blockchain.transferEth(txDataGasPayment, block, true);
txLogs.push(...gasPaymentLogs);
if (gasPaymentResult) {
// gas payment success
} else {
// gas payment failed => reject transaction (and block)
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] Gas payment failed');
_rejectTransaction('GAS_PAYMENT_FAILED');
}
if (false) {
// DEBUG
const gasPercent = gasUsed.mul(100).div(this.data.gasLimit).toNumber();
const gasEffectivePercent = gasUsedEffective.mul(100).div(this.data.gasLimit).toNumber();
const costPercent = txCost.mul(100).div(txCostLimit).toNumber();
const costEffectivePercent = txCostEffective.mul(100).div(txCostLimit).toNumber();
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] txCostLimit =', ethers.utils.formatEther(txCostLimit));
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] txCostEffective =', ethers.utils.formatEther(txCostEffective));
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] gas % =', Math.round(gasPercent), '% =', Math.round(gasEffectivePercent), '%');
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] cost % =', Math.round(costPercent), '%', Math.round(costEffectivePercent), '%');
}
}
if (accountFrom.address != mintAddress) {
const accountFromBalanceAtEnd = blockchain.getAccountBalance(accountFrom.address);
if (accountFromBalanceAtEnd.lt(0)){
_rejectTransaction('TRANSACTION_FAILED_INSUFFICIENT_ETH_BALANCE_AT_END');
}
}
if (! status) {
// Transaction Failed
// Revert transfer
if (amountTransfered.gt(0)) {
const txDataRevert = {
...this.data,
from: this.data.to,
to: this.data.from,
value: amountTransfered,
};
const [transferResult, transferLogs, transferReverted] = blockchain.transferEth(txDataRevert, block);
// TODO: gerer le revert des internal transfers
}
txLogs.forEach(log => {
log.removed = true;
});
// Revert contract storage
if (contractExecuted) {
const contractAccount = blockchain.getAccount(contractAddress);
contractAccount.data.storage = JSON.parse(storageBackup, utils.bnJsonParser);
contractAccount.data.balance = balanceBackup;
} else if (amountTransfered) {
// on check aussi amountTransfered car le contrat peut avoir été exécuté via receive => TODO: process a revoir
const contractAccount = blockchain.getAccount(contractAddress);
if (contractAccount && contractAccount.isContract()) {
//contractAccount.data.storage = JSON.parse(storageBackup, utils.bnJsonParser);
//contractAccount.data.balance = balanceBackup;
// TODO
}
}
// Revert deployed contract
if (contractDeployed) {
// nothing to do ?
}
const gasPercent = gasUsed.mul(100).div(this.data.gasLimit).toNumber();
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] FAILED TRANSACTION ', this.data.hash, '| gas usage percent =', gasPercent, '%', ' | Error: ', error.message);
const realExecDuration = performance.now()/1000 - execTsStart; //parseFloat(process.hrtime(execTsStart).join('.'));
const realGasUsed = toBn(Math.round(realExecDuration * cpuPricePerSecond)); // TODO: prendre en compte le storage utilisé dans le calcul du gasUsed
const realGasPercent = realGasUsed.mul(100).div(this.data.gasLimit).toNumber();
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] FAILED TRANSACTION ', this.data.hash, '| real gas usage percent =', realGasPercent, '%', ' | Error: ', error.message);
} else {
// Transaction Success
// save contract storage
Object.entries(vmStorage).forEach((entry, idx) => {
const [contractAddress, contractStorage] = entry;
const contractAccount = blockchain.getAccount(contractAddress, true);
contractAccount.data.storage = contractStorage;
contractAccount.save();
});
// show result (debug)
const gasPercent = gasUsed.mul(100).div(this.data.gasLimit).toNumber();;
console.log(utils.getDate(), "[BLOCKCHAIN]", 'SUCCECSS TRANSACTION ', this.data.hash, '| gas usage percent =', gasPercent, '%');
}
// total gas utilisé dans le block
block.data.gasUsed = block.data.gasUsed.add(gasUsed);
// assign block data on logs
txLogs.forEach((txLog, idx) => {
txLog.data.transactionIndex = transactionIndex;
txLog.data.logIndex = logIndexOffset + idx;
txLog.data.transactionHash = this.data.hash;
txLog.data.blockHash = block.hash;
txLog.data.blockNumber = block.data.number;
});
const receiptData = {
transactionHash: this.data.hash,
transactionIndex: transactionIndex,
blockNumber: block.data.number,
blockHash: block.hash,
//logsBloom: '0x0000',
contractAddress: createdContractAddress,
gasUsed,
cumulativeGasUsed: block.data.gasUsed,
effectiveGasPrice: this.data.gasPrice,
effectiveCost: this.data.gasPrice.mul(gasUsed),
logs: txLogs,
status,
}
const receipt = new Receipt(blockchain, receiptData);
return [receipt, txLogs];
}",
executeTransactionContract: "(block) => {
let contractAddress = this.data.to;
const isNullRecipient = (! contractAddress || contractAddress.length <= 2);
if (isNullRecipient) {
throw new Error('CONTRACT_EXEC_ADDRESS_INVALID_BUG_1');
}
const contractAccount = blockchain.getAccount(contractAddress);
if (! contractAccount) {
throw new Error('CONTRACT_EXEC_ACCOUNT_NOT_FOUND');
}
// Execute existing contract method call
return blockchain.callContractMethodInVM(this.data, block);
}",
transactionDeployContract: "(block) => {
let contractAddress = this.data.to;
let contractAccount;
if (contractAddress && contractAddress.length > 2) {
throw new Error('CONTRACT_DEPLOY_ADDRESS_INVALID_BUG_2');
}
// CONTRACT CREATION
if (! this.data.data || this.data.data.length <= 2) {
throw new Error('CONTRACT_DEPLOY_INVALID_DATA_EMPTY_CODE');
}
// build contract address
contractAddress = ethers.utils.getContractAddress(this.data).toLocaleLowerCase();
// parse contract source code & constructor parameters
const codes = ethers.utils.defaultAbiCoder.decode(["string", "string"], this.data.data);
if (! codes) {
throw new Error('CONTRACT_DEPLOY_CODE_PARSING_FAILED');
}
const sourceCode = codes[0];
const constructorParams = codes[1];
const constructorRawParams = ethers.utils.defaultAbiCoder.encode(["string"], [constructorParams]);
const codeHash = ethers.utils.id(sourceCode);
const codeAbi = null; // l'abi sera généré une fois que le contrat aura été instancié
const storageHash = ethers.utils.id('{}');
// create new account
const accountData = {
address: contractAddress,
code: sourceCode,
codeHash,
codeAbi,
storage: {},
storageHash,
};
contractAccount = blockchain.createAccount(contractAddress, accountData);
// instanciate contract + call constructor + recuperer storage
const txData = {
from: this.data.from,
to: contractAddress,
data: constructorRawParams,
value: this.data.value.toHexString(),
};
const callResult = blockchain.deployContractInVM(txData, block);
const creationLogs = callResult.logs;
const vmStorage = callResult.storage;
// emit event
const eventParams = [
contractAddress,
];
const _txData = {
...this.data,
to: blockchain.getNullAddress(),
}
const deployLog = new TxLog(blockchain, null, _txData, 'ContractCreated', eventParams, deployAbi);
creationLogs.push(deployLog);
return {
result: contractAddress,
logs: creationLogs,
storage: vmStorage,
};
}",
timestamp: "1651572534826",
status: 1,
gasUsed: "3043"
},
0x86764232071da39aafa015bef38b5a40f390b01afa54744d0e3965cca608b472: {
data: {
blockHash: "0x00b78e2d71f5430ea94beb2f6001c4ed6a97e6916a8a000fe57accad16de9ee9",
blockNumber: "5",
transactionIndex: 1,
hash: "0x86764232071da39aafa015bef38b5a40f390b01afa54744d0e3965cca608b472",
from: "0x131a190fa22cb867abf58193bf9e7640e9fce682",
gasLimit: "1154700",
gasPrice: "1000000000",
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nonce: "4",
to: "0x",
value: "0",
chainId: "3615",
origin: "1651572527414",
v: "1c61",
r: "2fc3087e36c40e64e6c573d59067566a81b8901ae977aefb08004b58e0f65c6a",
s: "8b960c42292215ee3c0bea851b0a5c797b3653c5960c3522d68d4a788c80abf"
},
hash: "0x86764232071da39aafa015bef38b5a40f390b01afa54744d0e3965cca608b472",
load: "() => {
const transactionFile = config.node.dataDir + '/transactions/' + this.hash + '.json';
if (! fs.existsSync(transactionFile)) {
console.warn(utils.getDate(), "[BLOCKCHAIN]", 'IMPORT Transaction not found', this.hash);
throw new Error('IMPORT_TRANSACTION_NOT_FOUND_DATABASE_CORRUPTED');
}
const transactionJson = fs.readFileSync(transactionFile);
transactionData = JSON.parse(transactionJson, utils.bnJsonParser);
this.data = (typeof transactionData == 'TransactionData') ? transactionData : new TransactionData(transactionData);
return true;
}",
save: "() => {
const transactionFile = config.node.dataDir + '/transactions/' + this.hash + '.json';
fs.writeFileSync(transactionFile, JSON.stringify(this.data));
return true;
}",
getReceipt: "() => {
return blockchain.getTransactionReceiptByHash(this.hash);
}",
getBlock: "() => {
return blockchain.getBlockByHash(this.data.blockHash);
}",
getBlockTransationPrev: "() => {
const block = this.getBlock();
const txPrevIdx = (this.data.transactionIndex > 0) ? (this.data.transactionIndex-1) : null;
const tx = (block && txPrevIdx in block.transactions) ? block.transactions[txPrevIdx] : null;
return tx;
}",
getBlockTransationNext: "() => {
const block = this.getBlock();
const txNextIdx = (this.data.transactionIndex < block.transactions.length - 1) ? (this.data.transactionIndex+1) : null;
const tx = (block && txNextIdx in block.transactions) ? block.transactions[txNextIdx] : null;
return tx;
}",
getAccountTransactionIndex: "() => {
const account = blockchain.getAccount(this.data.from);
if (! account) {
return null;
}
const txIdx = account.data.transactions.findIndex(transactionHash => blockchain.getTransactionByHash(transactionHash).hash == this.hash);
if (txIdx === -1) {
return null;
}
return txIdx;
}",
getAccountTransationPrev: "() => {
const account = blockchain.getAccount(this.data.from);
if (! account) {
return null;
}
const txIdx = this.getAccountTransactionIndex();
if (txIdx === null) {
return null;
}
const txPrevIdx = (txIdx > 0) ? (txIdx-1) : null;
const transactionHash = (txPrevIdx in account.data.transactions) ? account.data.transactions[txPrevIdx] : null;
if (! transactionHash) {
return null;
}
return blockchain.getTransactionByHash(transactionHash);
}",
getAccountTransationNext: "() => {
const account = blockchain.getAccount(this.data.from);
if (! account) {
return null;
}
const txIdx = this.getAccountTransactionIndex();
if (txIdx === null) {
return null;
}
const txNextIdx = (txIdx < account.data.transactions.length - 1) ? (txIdx+1) : null;
const transactionHash = (txNextIdx in account.data.transactions) ? account.data.transactions[txNextIdx] : null;
if (! transactionHash) {
return null;
}
return blockchain.getTransactionByHash(transactionHash);
}",
formatRpc: "() => {
// https://github.com/ethers-io/ethers.js/blob/master/packages/abstract-provider/lib/index.d.ts
const to = (this.data.to && this.data.to.length == 42) ? this.data.to : null;
const _txData = {
blockHash: this.data.blockHash,
blockNumber: this.data.blockNumber.toNumber(),
transactionIndex: this.data.transactionIndex,
hash: this.data.hash,
from: this.data.from,
gasLimit: this.data.gasLimit.toHexString(),
gasPrice: this.data.gasPrice.toHexString(),
data: this.data.data,
nonce: this.data.nonce.toHexString(),
to,
value: this.data.value.toHexString(),
chainId: this.data.chainId.toNumber(),
//origin: this.data.origin.toHexString(),
};
return _txData;
}",
getHashOLD: "() => {
const _txData = {
gasPrice: this.data.gasPrice,
gasLimit: this.data.gasLimit,
from: this.data.from,
to: this.data.to,
value: this.data.value,
data: this.data.data,
nonce: this.data.nonce,
};
const strvalue = JSON.stringify(utils.orderedObject(_txData));
const transactionHash = ethers.utils.id(strvalue);
return transactionHash;
}",
getHash: "() => {
const _txData = {
gasPrice: this.data.gasPrice.toHexString(),
gasLimit: this.data.gasLimit.toHexString(),
from: this.data.from,
to: this.data.to,
value: this.data.value.toHexString(),
data: this.data.data,
nonce: this.data.nonce.toHexString(),
v: this.data.v ? ('0x' + this.data.v) : '',
r: this.data.r ? ('0x' + this.data.r) : '',
s: this.data.s ? ('0x' + this.data.s) : '',
};
const tx = new EthereumJS.Transaction(_txData);
const hashRaw = tx.hash();
const transactionHash = ethers.utils.defaultAbiCoder.decode(["uint256"], hashRaw)[0].toHexString();
return transactionHash;
}",
execute: "(block, transactionIndex, logIndexOffset) => {
const _tx = this;
function _rejectTransaction(reason) {
// https://openethereum.github.io/Transactions-Queue
reason = reason || 'unknown';
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] REJECTED PROCESSING TRANSACTION', _tx.data.hash, ' (Reason:', reason + ')');
const success = blockchain.removeTransactionsFromMempool([_tx.hash], true, true);
if (success) {
saveMempool();
}
throw new Error(reason); // on rejete definitivement la tx (elle ne sera pas minée ... et donc aucun frais de gas ne sera compté)
// et du coup on rejete le block
}
function _checkGas(step) {
execDuration = performance.now()/1000 - execTsStart; //parseFloat(process.hrtime(execTsStart).join('.'));
gasUsed = toBn(Math.round(execDuration * cpuPricePerSecond)); // TODO: prendre en compte le storage utilisé dans le calcul du gasUsed
txCost = gasUsed.mul(_tx.data.gasPrice);
if (step == 'afterTransfer') {
//debugger;
}
if (status) {
gasUsedEffective = gasUsed;
txCostEffective = gasUsedEffective.mul(_tx.data.gasPrice);
if (gasUsed.gt(_tx.data.gasLimit)) {
status = 0;
error = new Error('INSUFFICIENT_GAS');
gasUsedEffective = _tx.data.gasLimit;
txCostEffective = txCostLimit;
// emit event
const debugError = {
message: 'INSUFFICIENT_GAS',
step,
gasPrice: _tx.data.gasPrice,
gasLimit: _tx.data.gasLimit,
gasUsed,
gasUsedEffective,
txCostLimit,
txCost,
txCostEffective,
execDuration,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, _tx.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
}
}
//const block = this;
const txLogs = [];
let vmStorage = {};
let gasUsed = toBn(0);
let gasUsedEffective = toBn(0);
let status = 1;
let error = null;
let createdContractAddress = null;
let amountTransfered = toBn(0);
const contractAddress = this.data.to;
let storageBackup;
let balanceBackup;
let contractExecuted = false;
let contractDeployed = false;
const execTsStart = performance.now()/1000; //process.hrtime(); //Date.now();
let execDuration = 0;
const txCostLimit = this.data.gasLimit.mul(this.data.gasPrice);
let txCost = toBn(0);
let txCostEffective = toBn(0);
const accountFrom = blockchain.getAccount(this.data.from);
if (! accountFrom) {
_rejectTransaction('TRANSACTION_REJECTED_EMPTY_ACCOUNT');
}
const accountFromBalance = accountFrom.data.balance;
if (accountFrom.address != mintAddress) {
// verif nonce
const expectedNonce = toBn(accountFrom.data.transactions.length); // le nonce attendu est egal au nombre de transactions passées de l'account
if (! this.data.nonce.eq(expectedNonce)) {
_rejectTransaction('TRANSACTION_REJECTED_INCORRECT_NONCE');
}
// verif balance pour gas + transfer
if (this.data.value && this.data.value.gt(0)) {
if (accountFromBalance.lt(this.data.value.add(txCostLimit))) {
// l'adresse n'a pas suffisamment de fond pour executer la transaction (selon gasLimit)
// TODO: faut-il rejeter la tx ? ou la laisser passer (en status=0) et lui vider sa balance (si 100% du gas est utilisé) ?
//return _rejectTransaction('TRANSACTION_FAILED_INSUFFICIENT_ETH_BALANCE');
_rejectTransaction('TRANSACTION_REJECTED_INSUFFICIENT_ETH_BALANCE');
}
}
}
_checkGas('init');
if (status) {
if (this.data.value && this.data.value.gt(0) && contractAddress && contractAddress.length > 2) {
// Transfer la valeur demandée (simple ETH transaction)
const [transferResult, transferLogs, transferReverted] = blockchain.transferEth(this.data, block);
txLogs.push( ...transferLogs );
// si recipient == contract => on transfer quand meme dès maintenant => TODO: a revoir (le transferEth declenche un appel à receive ... avant meme de savoir si unne methode payable doit etre appelée. Probleme si receive provoque un revert => la fonction payable ne sera pas appelée)
// 1) si methode payable appellée, on l'execute
// 2) si methode non payable => on appelle receive juste avant
// 3) si methode inconnue => revert
if (transferResult && transferReverted) {
// reverted (after transfer)
amountTransfered = this.data.value;
status = 0;
error = new Error('TRANSFER_REVERTED');
} else if (transferResult) {
// success
amountTransfered = this.data.value;
} else {
// transfer failed
status = 0;
error = new Error('TRANSFER_FAILED');
}
}
_checkGas('afterTransfer');
}
const gasUsedBeforeContractExecution = gasUsed;
if (status && this.data.data && this.data.data != '0x') {
// Traitement du champ data de la transaction (smart contract call)
if (!contractAddress || contractAddress == '0x') {
// contract creation
contractDeployed = true;
let contractExecResult;
try {
contractExecResult = this.transactionDeployContract(block);
const creationLogs = contractExecResult.logs;
vmStorage = contractExecResult.storage;
if (creationLogs.length) {
txLogs.push( ...creationLogs );
}
if (! contractExecResult.result) {
// Deploy Failed
status = 0;
error = new Error('CONTRACT_CREATION_FAILED');
// emit event
const debugError = {
message: 'CONTRACT_CREATION_FAILED',
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
} else {
// Deploy Success
createdContractAddress = contractExecResult.result.toLowerCase();
if (this.data.value.gt(0)) {
// Transfer tx value to contract
const _txData = {
...this.data,
to: createdContractAddress,
};
const [transferResult, transferLogs, transferReverted] = blockchain.transferEth(_txData, block);
txLogs.push( ...transferLogs );
if (transferResult) {
amountTransfered = this.data.value;
} else {
status = 0;
error = new Error('CONTRACT_CREATION_TRANSFER_FAILED');
}
}
// TODO: emit event CONTRACT_CREATION_SUCCESS ?
}
} catch (e) {
//console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] Cannot execute transaction');
//throw e;
status = 0;
error = new Error('CONTRACT_CREATION_ERROR');
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] CONTRACT_CREATION_ERROR with message', e.message)
// emit event
const debugError = {
message: 'CONTRACT_CREATION_ERROR',
error: e.message,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
_checkGas('afterContractCreation');
} else {
// contract execution
const contractAccount = blockchain.getAccount(contractAddress);
if (! contractAccount) {
status = 0;
error = new Error('CONTRACT_ACCOUNT_NOT_FOUND');
// emit event
const debugError = {
message: 'CONTRACT_ACCOUNT_NOT_FOUND',
address: contractAddress,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
if (status) {
storageBackup = JSON.stringify(contractAccount.data.storage);
balanceBackup = contractAccount.data.balance;
contractExecuted = true;
try {
const contractExecResult = this.executeTransactionContract(block);
const internalLogs = contractExecResult.logs;
vmStorage = contractExecResult.storage;
if (internalLogs.length) {
txLogs.push( ...internalLogs );
}
if (! contractExecResult.result) {
status = 0;
error = new Error('CONTRACT_EXEC_FAILED');
// emit event
const debugError = {
message: 'CONTRACT_EXEC_FAILED',
address: contractAddress,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
} catch (e) {
status = 0;
error = new Error('CONTRACT_EXEC_ERROR');
// emit event
const debugError = {
message: 'CONTRACT_EXEC_ERROR',
address: contractAddress,
error: e.message,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
}
_checkGas('afterContractCall');
}
}
const gasUsedAfterContractExecution = gasUsed;
const gasUsedInContractExecution = gasUsedAfterContractExecution.sub(gasUsedBeforeContractExecution);
const contractExecutionCost = gasUsedInContractExecution.mul(_tx.data.gasPrice);
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] execDuration =', (Math.round(execDuration * 1000000) / 1000000), ' seconds');
if (txCostEffective.gt(0)) {
// Gas payment
//const minerAccount = blockchain.getAccount(block.data.miner, true);
//const gasPaymentResult = minerAccount.transferFrom(accountFrom.address, txCostEffective);
const txDataGasPayment = {
from: accountFrom.address,
to: block.data.miner,
value: txCostEffective,
};
const [gasPaymentResult, gasPaymentLogs, transferReverted] = blockchain.transferEth(txDataGasPayment, block, true);
txLogs.push(...gasPaymentLogs);
if (gasPaymentResult) {
// gas payment success
} else {
// gas payment failed => reject transaction (and block)
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] Gas payment failed');
_rejectTransaction('GAS_PAYMENT_FAILED');
}
if (false) {
// DEBUG
const gasPercent = gasUsed.mul(100).div(this.data.gasLimit).toNumber();
const gasEffectivePercent = gasUsedEffective.mul(100).div(this.data.gasLimit).toNumber();
const costPercent = txCost.mul(100).div(txCostLimit).toNumber();
const costEffectivePercent = txCostEffective.mul(100).div(txCostLimit).toNumber();
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] txCostLimit =', ethers.utils.formatEther(txCostLimit));
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] txCostEffective =', ethers.utils.formatEther(txCostEffective));
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] gas % =', Math.round(gasPercent), '% =', Math.round(gasEffectivePercent), '%');
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] cost % =', Math.round(costPercent), '%', Math.round(costEffectivePercent), '%');
}
}
if (accountFrom.address != mintAddress) {
const accountFromBalanceAtEnd = blockchain.getAccountBalance(accountFrom.address);
if (accountFromBalanceAtEnd.lt(0)){
_rejectTransaction('TRANSACTION_FAILED_INSUFFICIENT_ETH_BALANCE_AT_END');
}
}
if (! status) {
// Transaction Failed
// Revert transfer
if (amountTransfered.gt(0)) {
const txDataRevert = {
...this.data,
from: this.data.to,
to: this.data.from,
value: amountTransfered,
};
const [transferResult, transferLogs, transferReverted] = blockchain.transferEth(txDataRevert, block);
// TODO: gerer le revert des internal transfers
}
txLogs.forEach(log => {
log.removed = true;
});
// Revert contract storage
if (contractExecuted) {
const contractAccount = blockchain.getAccount(contractAddress);
contractAccount.data.storage = JSON.parse(storageBackup, utils.bnJsonParser);
contractAccount.data.balance = balanceBackup;
} else if (amountTransfered) {
// on check aussi amountTransfered car le contrat peut avoir été exécuté via receive => TODO: process a revoir
const contractAccount = blockchain.getAccount(contractAddress);
if (contractAccount && contractAccount.isContract()) {
//contractAccount.data.storage = JSON.parse(storageBackup, utils.bnJsonParser);
//contractAccount.data.balance = balanceBackup;
// TODO
}
}
// Revert deployed contract
if (contractDeployed) {
// nothing to do ?
}
const gasPercent = gasUsed.mul(100).div(this.data.gasLimit).toNumber();
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] FAILED TRANSACTION ', this.data.hash, '| gas usage percent =', gasPercent, '%', ' | Error: ', error.message);
const realExecDuration = performance.now()/1000 - execTsStart; //parseFloat(process.hrtime(execTsStart).join('.'));
const realGasUsed = toBn(Math.round(realExecDuration * cpuPricePerSecond)); // TODO: prendre en compte le storage utilisé dans le calcul du gasUsed
const realGasPercent = realGasUsed.mul(100).div(this.data.gasLimit).toNumber();
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] FAILED TRANSACTION ', this.data.hash, '| real gas usage percent =', realGasPercent, '%', ' | Error: ', error.message);
} else {
// Transaction Success
// save contract storage
Object.entries(vmStorage).forEach((entry, idx) => {
const [contractAddress, contractStorage] = entry;
const contractAccount = blockchain.getAccount(contractAddress, true);
contractAccount.data.storage = contractStorage;
contractAccount.save();
});
// show result (debug)
const gasPercent = gasUsed.mul(100).div(this.data.gasLimit).toNumber();;
console.log(utils.getDate(), "[BLOCKCHAIN]", 'SUCCECSS TRANSACTION ', this.data.hash, '| gas usage percent =', gasPercent, '%');
}
// total gas utilisé dans le block
block.data.gasUsed = block.data.gasUsed.add(gasUsed);
// assign block data on logs
txLogs.forEach((txLog, idx) => {
txLog.data.transactionIndex = transactionIndex;
txLog.data.logIndex = logIndexOffset + idx;
txLog.data.transactionHash = this.data.hash;
txLog.data.blockHash = block.hash;
txLog.data.blockNumber = block.data.number;
});
const receiptData = {
transactionHash: this.data.hash,
transactionIndex: transactionIndex,
blockNumber: block.data.number,
blockHash: block.hash,
//logsBloom: '0x0000',
contractAddress: createdContractAddress,
gasUsed,
cumulativeGasUsed: block.data.gasUsed,
effectiveGasPrice: this.data.gasPrice,
effectiveCost: this.data.gasPrice.mul(gasUsed),
logs: txLogs,
status,
}
const receipt = new Receipt(blockchain, receiptData);
return [receipt, txLogs];
}",
executeTransactionContract: "(block) => {
let contractAddress = this.data.to;
const isNullRecipient = (! contractAddress || contractAddress.length <= 2);
if (isNullRecipient) {
throw new Error('CONTRACT_EXEC_ADDRESS_INVALID_BUG_1');
}
const contractAccount = blockchain.getAccount(contractAddress);
if (! contractAccount) {
throw new Error('CONTRACT_EXEC_ACCOUNT_NOT_FOUND');
}
// Execute existing contract method call
return blockchain.callContractMethodInVM(this.data, block);
}",
transactionDeployContract: "(block) => {
let contractAddress = this.data.to;
let contractAccount;
if (contractAddress && contractAddress.length > 2) {
throw new Error('CONTRACT_DEPLOY_ADDRESS_INVALID_BUG_2');
}
// CONTRACT CREATION
if (! this.data.data || this.data.data.length <= 2) {
throw new Error('CONTRACT_DEPLOY_INVALID_DATA_EMPTY_CODE');
}
// build contract address
contractAddress = ethers.utils.getContractAddress(this.data).toLocaleLowerCase();
// parse contract source code & constructor parameters
const codes = ethers.utils.defaultAbiCoder.decode(["string", "string"], this.data.data);
if (! codes) {
throw new Error('CONTRACT_DEPLOY_CODE_PARSING_FAILED');
}
const sourceCode = codes[0];
const constructorParams = codes[1];
const constructorRawParams = ethers.utils.defaultAbiCoder.encode(["string"], [constructorParams]);
const codeHash = ethers.utils.id(sourceCode);
const codeAbi = null; // l'abi sera généré une fois que le contrat aura été instancié
const storageHash = ethers.utils.id('{}');
// create new account
const accountData = {
address: contractAddress,
code: sourceCode,
codeHash,
codeAbi,
storage: {},
storageHash,
};
contractAccount = blockchain.createAccount(contractAddress, accountData);
// instanciate contract + call constructor + recuperer storage
const txData = {
from: this.data.from,
to: contractAddress,
data: constructorRawParams,
value: this.data.value.toHexString(),
};
const callResult = blockchain.deployContractInVM(txData, block);
const creationLogs = callResult.logs;
const vmStorage = callResult.storage;
// emit event
const eventParams = [
contractAddress,
];
const _txData = {
...this.data,
to: blockchain.getNullAddress(),
}
const deployLog = new TxLog(blockchain, null, _txData, 'ContractCreated', eventParams, deployAbi);
creationLogs.push(deployLog);
return {
result: contractAddress,
logs: creationLogs,
storage: vmStorage,
};
}",
timestamp: "1651572534826",
status: 1,
gasUsed: "32626"
},
0xdd7fdeab583b5a983e7327d948a4aed7c53e5bb868bdb2d2db2dd9218bd39b90: {
data: {
blockHash: "0x0097f4ce4ac7dd73246b361656d4f11539bfe8a6ae68479b06a1aefe52729dea",
blockNumber: "6",
transactionIndex: 0,
hash: "0xdd7fdeab583b5a983e7327d948a4aed7c53e5bb868bdb2d2db2dd9218bd39b90",
from: "0x0000000000000000000000000000000000000001",
gasLimit: "1000000000000000000",
gasPrice: "0",
data: "0x",
nonce: "5",
to: "0xccf8ba457dcad7ee6a0361c96846a0f79744b113",
value: "250000000000000000000",
chainId: "3615",
origin: "1651572540008",
v: "",
r: "",
s: ""
},
hash: "0xdd7fdeab583b5a983e7327d948a4aed7c53e5bb868bdb2d2db2dd9218bd39b90",
load: "() => {
const transactionFile = config.node.dataDir + '/transactions/' + this.hash + '.json';
if (! fs.existsSync(transactionFile)) {
console.warn(utils.getDate(), "[BLOCKCHAIN]", 'IMPORT Transaction not found', this.hash);
throw new Error('IMPORT_TRANSACTION_NOT_FOUND_DATABASE_CORRUPTED');
}
const transactionJson = fs.readFileSync(transactionFile);
transactionData = JSON.parse(transactionJson, utils.bnJsonParser);
this.data = (typeof transactionData == 'TransactionData') ? transactionData : new TransactionData(transactionData);
return true;
}",
save: "() => {
const transactionFile = config.node.dataDir + '/transactions/' + this.hash + '.json';
fs.writeFileSync(transactionFile, JSON.stringify(this.data));
return true;
}",
getReceipt: "() => {
return blockchain.getTransactionReceiptByHash(this.hash);
}",
getBlock: "() => {
return blockchain.getBlockByHash(this.data.blockHash);
}",
getBlockTransationPrev: "() => {
const block = this.getBlock();
const txPrevIdx = (this.data.transactionIndex > 0) ? (this.data.transactionIndex-1) : null;
const tx = (block && txPrevIdx in block.transactions) ? block.transactions[txPrevIdx] : null;
return tx;
}",
getBlockTransationNext: "() => {
const block = this.getBlock();
const txNextIdx = (this.data.transactionIndex < block.transactions.length - 1) ? (this.data.transactionIndex+1) : null;
const tx = (block && txNextIdx in block.transactions) ? block.transactions[txNextIdx] : null;
return tx;
}",
getAccountTransactionIndex: "() => {
const account = blockchain.getAccount(this.data.from);
if (! account) {
return null;
}
const txIdx = account.data.transactions.findIndex(transactionHash => blockchain.getTransactionByHash(transactionHash).hash == this.hash);
if (txIdx === -1) {
return null;
}
return txIdx;
}",
getAccountTransationPrev: "() => {
const account = blockchain.getAccount(this.data.from);
if (! account) {
return null;
}
const txIdx = this.getAccountTransactionIndex();
if (txIdx === null) {
return null;
}
const txPrevIdx = (txIdx > 0) ? (txIdx-1) : null;
const transactionHash = (txPrevIdx in account.data.transactions) ? account.data.transactions[txPrevIdx] : null;
if (! transactionHash) {
return null;
}
return blockchain.getTransactionByHash(transactionHash);
}",
getAccountTransationNext: "() => {
const account = blockchain.getAccount(this.data.from);
if (! account) {
return null;
}
const txIdx = this.getAccountTransactionIndex();
if (txIdx === null) {
return null;
}
const txNextIdx = (txIdx < account.data.transactions.length - 1) ? (txIdx+1) : null;
const transactionHash = (txNextIdx in account.data.transactions) ? account.data.transactions[txNextIdx] : null;
if (! transactionHash) {
return null;
}
return blockchain.getTransactionByHash(transactionHash);
}",
formatRpc: "() => {
// https://github.com/ethers-io/ethers.js/blob/master/packages/abstract-provider/lib/index.d.ts
const to = (this.data.to && this.data.to.length == 42) ? this.data.to : null;
const _txData = {
blockHash: this.data.blockHash,
blockNumber: this.data.blockNumber.toNumber(),
transactionIndex: this.data.transactionIndex,
hash: this.data.hash,
from: this.data.from,
gasLimit: this.data.gasLimit.toHexString(),
gasPrice: this.data.gasPrice.toHexString(),
data: this.data.data,
nonce: this.data.nonce.toHexString(),
to,
value: this.data.value.toHexString(),
chainId: this.data.chainId.toNumber(),
//origin: this.data.origin.toHexString(),
};
return _txData;
}",
getHashOLD: "() => {
const _txData = {
gasPrice: this.data.gasPrice,
gasLimit: this.data.gasLimit,
from: this.data.from,
to: this.data.to,
value: this.data.value,
data: this.data.data,
nonce: this.data.nonce,
};
const strvalue = JSON.stringify(utils.orderedObject(_txData));
const transactionHash = ethers.utils.id(strvalue);
return transactionHash;
}",
getHash: "() => {
const _txData = {
gasPrice: this.data.gasPrice.toHexString(),
gasLimit: this.data.gasLimit.toHexString(),
from: this.data.from,
to: this.data.to,
value: this.data.value.toHexString(),
data: this.data.data,
nonce: this.data.nonce.toHexString(),
v: this.data.v ? ('0x' + this.data.v) : '',
r: this.data.r ? ('0x' + this.data.r) : '',
s: this.data.s ? ('0x' + this.data.s) : '',
};
const tx = new EthereumJS.Transaction(_txData);
const hashRaw = tx.hash();
const transactionHash = ethers.utils.defaultAbiCoder.decode(["uint256"], hashRaw)[0].toHexString();
return transactionHash;
}",
execute: "(block, transactionIndex, logIndexOffset) => {
const _tx = this;
function _rejectTransaction(reason) {
// https://openethereum.github.io/Transactions-Queue
reason = reason || 'unknown';
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] REJECTED PROCESSING TRANSACTION', _tx.data.hash, ' (Reason:', reason + ')');
const success = blockchain.removeTransactionsFromMempool([_tx.hash], true, true);
if (success) {
saveMempool();
}
throw new Error(reason); // on rejete definitivement la tx (elle ne sera pas minée ... et donc aucun frais de gas ne sera compté)
// et du coup on rejete le block
}
function _checkGas(step) {
execDuration = performance.now()/1000 - execTsStart; //parseFloat(process.hrtime(execTsStart).join('.'));
gasUsed = toBn(Math.round(execDuration * cpuPricePerSecond)); // TODO: prendre en compte le storage utilisé dans le calcul du gasUsed
txCost = gasUsed.mul(_tx.data.gasPrice);
if (step == 'afterTransfer') {
//debugger;
}
if (status) {
gasUsedEffective = gasUsed;
txCostEffective = gasUsedEffective.mul(_tx.data.gasPrice);
if (gasUsed.gt(_tx.data.gasLimit)) {
status = 0;
error = new Error('INSUFFICIENT_GAS');
gasUsedEffective = _tx.data.gasLimit;
txCostEffective = txCostLimit;
// emit event
const debugError = {
message: 'INSUFFICIENT_GAS',
step,
gasPrice: _tx.data.gasPrice,
gasLimit: _tx.data.gasLimit,
gasUsed,
gasUsedEffective,
txCostLimit,
txCost,
txCostEffective,
execDuration,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, _tx.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
}
}
//const block = this;
const txLogs = [];
let vmStorage = {};
let gasUsed = toBn(0);
let gasUsedEffective = toBn(0);
let status = 1;
let error = null;
let createdContractAddress = null;
let amountTransfered = toBn(0);
const contractAddress = this.data.to;
let storageBackup;
let balanceBackup;
let contractExecuted = false;
let contractDeployed = false;
const execTsStart = performance.now()/1000; //process.hrtime(); //Date.now();
let execDuration = 0;
const txCostLimit = this.data.gasLimit.mul(this.data.gasPrice);
let txCost = toBn(0);
let txCostEffective = toBn(0);
const accountFrom = blockchain.getAccount(this.data.from);
if (! accountFrom) {
_rejectTransaction('TRANSACTION_REJECTED_EMPTY_ACCOUNT');
}
const accountFromBalance = accountFrom.data.balance;
if (accountFrom.address != mintAddress) {
// verif nonce
const expectedNonce = toBn(accountFrom.data.transactions.length); // le nonce attendu est egal au nombre de transactions passées de l'account
if (! this.data.nonce.eq(expectedNonce)) {
_rejectTransaction('TRANSACTION_REJECTED_INCORRECT_NONCE');
}
// verif balance pour gas + transfer
if (this.data.value && this.data.value.gt(0)) {
if (accountFromBalance.lt(this.data.value.add(txCostLimit))) {
// l'adresse n'a pas suffisamment de fond pour executer la transaction (selon gasLimit)
// TODO: faut-il rejeter la tx ? ou la laisser passer (en status=0) et lui vider sa balance (si 100% du gas est utilisé) ?
//return _rejectTransaction('TRANSACTION_FAILED_INSUFFICIENT_ETH_BALANCE');
_rejectTransaction('TRANSACTION_REJECTED_INSUFFICIENT_ETH_BALANCE');
}
}
}
_checkGas('init');
if (status) {
if (this.data.value && this.data.value.gt(0) && contractAddress && contractAddress.length > 2) {
// Transfer la valeur demandée (simple ETH transaction)
const [transferResult, transferLogs, transferReverted] = blockchain.transferEth(this.data, block);
txLogs.push( ...transferLogs );
// si recipient == contract => on transfer quand meme dès maintenant => TODO: a revoir (le transferEth declenche un appel à receive ... avant meme de savoir si unne methode payable doit etre appelée. Probleme si receive provoque un revert => la fonction payable ne sera pas appelée)
// 1) si methode payable appellée, on l'execute
// 2) si methode non payable => on appelle receive juste avant
// 3) si methode inconnue => revert
if (transferResult && transferReverted) {
// reverted (after transfer)
amountTransfered = this.data.value;
status = 0;
error = new Error('TRANSFER_REVERTED');
} else if (transferResult) {
// success
amountTransfered = this.data.value;
} else {
// transfer failed
status = 0;
error = new Error('TRANSFER_FAILED');
}
}
_checkGas('afterTransfer');
}
const gasUsedBeforeContractExecution = gasUsed;
if (status && this.data.data && this.data.data != '0x') {
// Traitement du champ data de la transaction (smart contract call)
if (!contractAddress || contractAddress == '0x') {
// contract creation
contractDeployed = true;
let contractExecResult;
try {
contractExecResult = this.transactionDeployContract(block);
const creationLogs = contractExecResult.logs;
vmStorage = contractExecResult.storage;
if (creationLogs.length) {
txLogs.push( ...creationLogs );
}
if (! contractExecResult.result) {
// Deploy Failed
status = 0;
error = new Error('CONTRACT_CREATION_FAILED');
// emit event
const debugError = {
message: 'CONTRACT_CREATION_FAILED',
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
} else {
// Deploy Success
createdContractAddress = contractExecResult.result.toLowerCase();
if (this.data.value.gt(0)) {
// Transfer tx value to contract
const _txData = {
...this.data,
to: createdContractAddress,
};
const [transferResult, transferLogs, transferReverted] = blockchain.transferEth(_txData, block);
txLogs.push( ...transferLogs );
if (transferResult) {
amountTransfered = this.data.value;
} else {
status = 0;
error = new Error('CONTRACT_CREATION_TRANSFER_FAILED');
}
}
// TODO: emit event CONTRACT_CREATION_SUCCESS ?
}
} catch (e) {
//console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] Cannot execute transaction');
//throw e;
status = 0;
error = new Error('CONTRACT_CREATION_ERROR');
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] CONTRACT_CREATION_ERROR with message', e.message)
// emit event
const debugError = {
message: 'CONTRACT_CREATION_ERROR',
error: e.message,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
_checkGas('afterContractCreation');
} else {
// contract execution
const contractAccount = blockchain.getAccount(contractAddress);
if (! contractAccount) {
status = 0;
error = new Error('CONTRACT_ACCOUNT_NOT_FOUND');
// emit event
const debugError = {
message: 'CONTRACT_ACCOUNT_NOT_FOUND',
address: contractAddress,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
if (status) {
storageBackup = JSON.stringify(contractAccount.data.storage);
balanceBackup = contractAccount.data.balance;
contractExecuted = true;
try {
const contractExecResult = this.executeTransactionContract(block);
const internalLogs = contractExecResult.logs;
vmStorage = contractExecResult.storage;
if (internalLogs.length) {
txLogs.push( ...internalLogs );
}
if (! contractExecResult.result) {
status = 0;
error = new Error('CONTRACT_EXEC_FAILED');
// emit event
const debugError = {
message: 'CONTRACT_EXEC_FAILED',
address: contractAddress,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
} catch (e) {
status = 0;
error = new Error('CONTRACT_EXEC_ERROR');
// emit event
const debugError = {
message: 'CONTRACT_EXEC_ERROR',
address: contractAddress,
error: e.message,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
}
_checkGas('afterContractCall');
}
}
const gasUsedAfterContractExecution = gasUsed;
const gasUsedInContractExecution = gasUsedAfterContractExecution.sub(gasUsedBeforeContractExecution);
const contractExecutionCost = gasUsedInContractExecution.mul(_tx.data.gasPrice);
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] execDuration =', (Math.round(execDuration * 1000000) / 1000000), ' seconds');
if (txCostEffective.gt(0)) {
// Gas payment
//const minerAccount = blockchain.getAccount(block.data.miner, true);
//const gasPaymentResult = minerAccount.transferFrom(accountFrom.address, txCostEffective);
const txDataGasPayment = {
from: accountFrom.address,
to: block.data.miner,
value: txCostEffective,
};
const [gasPaymentResult, gasPaymentLogs, transferReverted] = blockchain.transferEth(txDataGasPayment, block, true);
txLogs.push(...gasPaymentLogs);
if (gasPaymentResult) {
// gas payment success
} else {
// gas payment failed => reject transaction (and block)
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] Gas payment failed');
_rejectTransaction('GAS_PAYMENT_FAILED');
}
if (false) {
// DEBUG
const gasPercent = gasUsed.mul(100).div(this.data.gasLimit).toNumber();
const gasEffectivePercent = gasUsedEffective.mul(100).div(this.data.gasLimit).toNumber();
const costPercent = txCost.mul(100).div(txCostLimit).toNumber();
const costEffectivePercent = txCostEffective.mul(100).div(txCostLimit).toNumber();
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] txCostLimit =', ethers.utils.formatEther(txCostLimit));
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] txCostEffective =', ethers.utils.formatEther(txCostEffective));
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] gas % =', Math.round(gasPercent), '% =', Math.round(gasEffectivePercent), '%');
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] cost % =', Math.round(costPercent), '%', Math.round(costEffectivePercent), '%');
}
}
if (accountFrom.address != mintAddress) {
const accountFromBalanceAtEnd = blockchain.getAccountBalance(accountFrom.address);
if (accountFromBalanceAtEnd.lt(0)){
_rejectTransaction('TRANSACTION_FAILED_INSUFFICIENT_ETH_BALANCE_AT_END');
}
}
if (! status) {
// Transaction Failed
// Revert transfer
if (amountTransfered.gt(0)) {
const txDataRevert = {
...this.data,
from: this.data.to,
to: this.data.from,
value: amountTransfered,
};
const [transferResult, transferLogs, transferReverted] = blockchain.transferEth(txDataRevert, block);
// TODO: gerer le revert des internal transfers
}
txLogs.forEach(log => {
log.removed = true;
});
// Revert contract storage
if (contractExecuted) {
const contractAccount = blockchain.getAccount(contractAddress);
contractAccount.data.storage = JSON.parse(storageBackup, utils.bnJsonParser);
contractAccount.data.balance = balanceBackup;
} else if (amountTransfered) {
// on check aussi amountTransfered car le contrat peut avoir été exécuté via receive => TODO: process a revoir
const contractAccount = blockchain.getAccount(contractAddress);
if (contractAccount && contractAccount.isContract()) {
//contractAccount.data.storage = JSON.parse(storageBackup, utils.bnJsonParser);
//contractAccount.data.balance = balanceBackup;
// TODO
}
}
// Revert deployed contract
if (contractDeployed) {
// nothing to do ?
}
const gasPercent = gasUsed.mul(100).div(this.data.gasLimit).toNumber();
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] FAILED TRANSACTION ', this.data.hash, '| gas usage percent =', gasPercent, '%', ' | Error: ', error.message);
const realExecDuration = performance.now()/1000 - execTsStart; //parseFloat(process.hrtime(execTsStart).join('.'));
const realGasUsed = toBn(Math.round(realExecDuration * cpuPricePerSecond)); // TODO: prendre en compte le storage utilisé dans le calcul du gasUsed
const realGasPercent = realGasUsed.mul(100).div(this.data.gasLimit).toNumber();
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] FAILED TRANSACTION ', this.data.hash, '| real gas usage percent =', realGasPercent, '%', ' | Error: ', error.message);
} else {
// Transaction Success
// save contract storage
Object.entries(vmStorage).forEach((entry, idx) => {
const [contractAddress, contractStorage] = entry;
const contractAccount = blockchain.getAccount(contractAddress, true);
contractAccount.data.storage = contractStorage;
contractAccount.save();
});
// show result (debug)
const gasPercent = gasUsed.mul(100).div(this.data.gasLimit).toNumber();;
console.log(utils.getDate(), "[BLOCKCHAIN]", 'SUCCECSS TRANSACTION ', this.data.hash, '| gas usage percent =', gasPercent, '%');
}
// total gas utilisé dans le block
block.data.gasUsed = block.data.gasUsed.add(gasUsed);
// assign block data on logs
txLogs.forEach((txLog, idx) => {
txLog.data.transactionIndex = transactionIndex;
txLog.data.logIndex = logIndexOffset + idx;
txLog.data.transactionHash = this.data.hash;
txLog.data.blockHash = block.hash;
txLog.data.blockNumber = block.data.number;
});
const receiptData = {
transactionHash: this.data.hash,
transactionIndex: transactionIndex,
blockNumber: block.data.number,
blockHash: block.hash,
//logsBloom: '0x0000',
contractAddress: createdContractAddress,
gasUsed,
cumulativeGasUsed: block.data.gasUsed,
effectiveGasPrice: this.data.gasPrice,
effectiveCost: this.data.gasPrice.mul(gasUsed),
logs: txLogs,
status,
}
const receipt = new Receipt(blockchain, receiptData);
return [receipt, txLogs];
}",
executeTransactionContract: "(block) => {
let contractAddress = this.data.to;
const isNullRecipient = (! contractAddress || contractAddress.length <= 2);
if (isNullRecipient) {
throw new Error('CONTRACT_EXEC_ADDRESS_INVALID_BUG_1');
}
const contractAccount = blockchain.getAccount(contractAddress);
if (! contractAccount) {
throw new Error('CONTRACT_EXEC_ACCOUNT_NOT_FOUND');
}
// Execute existing contract method call
return blockchain.callContractMethodInVM(this.data, block);
}",
transactionDeployContract: "(block) => {
let contractAddress = this.data.to;
let contractAccount;
if (contractAddress && contractAddress.length > 2) {
throw new Error('CONTRACT_DEPLOY_ADDRESS_INVALID_BUG_2');
}
// CONTRACT CREATION
if (! this.data.data || this.data.data.length <= 2) {
throw new Error('CONTRACT_DEPLOY_INVALID_DATA_EMPTY_CODE');
}
// build contract address
contractAddress = ethers.utils.getContractAddress(this.data).toLocaleLowerCase();
// parse contract source code & constructor parameters
const codes = ethers.utils.defaultAbiCoder.decode(["string", "string"], this.data.data);
if (! codes) {
throw new Error('CONTRACT_DEPLOY_CODE_PARSING_FAILED');
}
const sourceCode = codes[0];
const constructorParams = codes[1];
const constructorRawParams = ethers.utils.defaultAbiCoder.encode(["string"], [constructorParams]);
const codeHash = ethers.utils.id(sourceCode);
const codeAbi = null; // l'abi sera généré une fois que le contrat aura été instancié
const storageHash = ethers.utils.id('{}');
// create new account
const accountData = {
address: contractAddress,
code: sourceCode,
codeHash,
codeAbi,
storage: {},
storageHash,
};
contractAccount = blockchain.createAccount(contractAddress, accountData);
// instanciate contract + call constructor + recuperer storage
const txData = {
from: this.data.from,
to: contractAddress,
data: constructorRawParams,
value: this.data.value.toHexString(),
};
const callResult = blockchain.deployContractInVM(txData, block);
const creationLogs = callResult.logs;
const vmStorage = callResult.storage;
// emit event
const eventParams = [
contractAddress,
];
const _txData = {
...this.data,
to: blockchain.getNullAddress(),
}
const deployLog = new TxLog(blockchain, null, _txData, 'ContractCreated', eventParams, deployAbi);
creationLogs.push(deployLog);
return {
result: contractAddress,
logs: creationLogs,
storage: vmStorage,
};
}",
timestamp: "1651572545092",
status: 1,
gasUsed: "2385"
},
0x2d9987bffd02b12a95167d157f4d345b1954b62f043e308b892e916e0b217308: {
data: {
blockHash: "0x0097f4ce4ac7dd73246b361656d4f11539bfe8a6ae68479b06a1aefe52729dea",
blockNumber: "6",
transactionIndex: 1,
hash: "0x2d9987bffd02b12a95167d157f4d345b1954b62f043e308b892e916e0b217308",
from: "0x131a190fa22cb867abf58193bf9e7640e9fce682",
gasLimit: "989450",
gasPrice: "1000000000",
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nonce: "5",
to: "0x",
value: "0",
chainId: "3615",
origin: "1651572536772",
v: "1c62",
r: "bd32c1efb50f46056411c4565ff213b9662d532f7f29409aa616ed9410647639",
s: "221598b4931dfb612a38c235dcaddc2e1c8167d69db03932bcdbdb96b6bc1ae3"
},
hash: "0x2d9987bffd02b12a95167d157f4d345b1954b62f043e308b892e916e0b217308",
load: "() => {
const transactionFile = config.node.dataDir + '/transactions/' + this.hash + '.json';
if (! fs.existsSync(transactionFile)) {
console.warn(utils.getDate(), "[BLOCKCHAIN]", 'IMPORT Transaction not found', this.hash);
throw new Error('IMPORT_TRANSACTION_NOT_FOUND_DATABASE_CORRUPTED');
}
const transactionJson = fs.readFileSync(transactionFile);
transactionData = JSON.parse(transactionJson, utils.bnJsonParser);
this.data = (typeof transactionData == 'TransactionData') ? transactionData : new TransactionData(transactionData);
return true;
}",
save: "() => {
const transactionFile = config.node.dataDir + '/transactions/' + this.hash + '.json';
fs.writeFileSync(transactionFile, JSON.stringify(this.data));
return true;
}",
getReceipt: "() => {
return blockchain.getTransactionReceiptByHash(this.hash);
}",
getBlock: "() => {
return blockchain.getBlockByHash(this.data.blockHash);
}",
getBlockTransationPrev: "() => {
const block = this.getBlock();
const txPrevIdx = (this.data.transactionIndex > 0) ? (this.data.transactionIndex-1) : null;
const tx = (block && txPrevIdx in block.transactions) ? block.transactions[txPrevIdx] : null;
return tx;
}",
getBlockTransationNext: "() => {
const block = this.getBlock();
const txNextIdx = (this.data.transactionIndex < block.transactions.length - 1) ? (this.data.transactionIndex+1) : null;
const tx = (block && txNextIdx in block.transactions) ? block.transactions[txNextIdx] : null;
return tx;
}",
getAccountTransactionIndex: "() => {
const account = blockchain.getAccount(this.data.from);
if (! account) {
return null;
}
const txIdx = account.data.transactions.findIndex(transactionHash => blockchain.getTransactionByHash(transactionHash).hash == this.hash);
if (txIdx === -1) {
return null;
}
return txIdx;
}",
getAccountTransationPrev: "() => {
const account = blockchain.getAccount(this.data.from);
if (! account) {
return null;
}
const txIdx = this.getAccountTransactionIndex();
if (txIdx === null) {
return null;
}
const txPrevIdx = (txIdx > 0) ? (txIdx-1) : null;
const transactionHash = (txPrevIdx in account.data.transactions) ? account.data.transactions[txPrevIdx] : null;
if (! transactionHash) {
return null;
}
return blockchain.getTransactionByHash(transactionHash);
}",
getAccountTransationNext: "() => {
const account = blockchain.getAccount(this.data.from);
if (! account) {
return null;
}
const txIdx = this.getAccountTransactionIndex();
if (txIdx === null) {
return null;
}
const txNextIdx = (txIdx < account.data.transactions.length - 1) ? (txIdx+1) : null;
const transactionHash = (txNextIdx in account.data.transactions) ? account.data.transactions[txNextIdx] : null;
if (! transactionHash) {
return null;
}
return blockchain.getTransactionByHash(transactionHash);
}",
formatRpc: "() => {
// https://github.com/ethers-io/ethers.js/blob/master/packages/abstract-provider/lib/index.d.ts
const to = (this.data.to && this.data.to.length == 42) ? this.data.to : null;
const _txData = {
blockHash: this.data.blockHash,
blockNumber: this.data.blockNumber.toNumber(),
transactionIndex: this.data.transactionIndex,
hash: this.data.hash,
from: this.data.from,
gasLimit: this.data.gasLimit.toHexString(),
gasPrice: this.data.gasPrice.toHexString(),
data: this.data.data,
nonce: this.data.nonce.toHexString(),
to,
value: this.data.value.toHexString(),
chainId: this.data.chainId.toNumber(),
//origin: this.data.origin.toHexString(),
};
return _txData;
}",
getHashOLD: "() => {
const _txData = {
gasPrice: this.data.gasPrice,
gasLimit: this.data.gasLimit,
from: this.data.from,
to: this.data.to,
value: this.data.value,
data: this.data.data,
nonce: this.data.nonce,
};
const strvalue = JSON.stringify(utils.orderedObject(_txData));
const transactionHash = ethers.utils.id(strvalue);
return transactionHash;
}",
getHash: "() => {
const _txData = {
gasPrice: this.data.gasPrice.toHexString(),
gasLimit: this.data.gasLimit.toHexString(),
from: this.data.from,
to: this.data.to,
value: this.data.value.toHexString(),
data: this.data.data,
nonce: this.data.nonce.toHexString(),
v: this.data.v ? ('0x' + this.data.v) : '',
r: this.data.r ? ('0x' + this.data.r) : '',
s: this.data.s ? ('0x' + this.data.s) : '',
};
const tx = new EthereumJS.Transaction(_txData);
const hashRaw = tx.hash();
const transactionHash = ethers.utils.defaultAbiCoder.decode(["uint256"], hashRaw)[0].toHexString();
return transactionHash;
}",
execute: "(block, transactionIndex, logIndexOffset) => {
const _tx = this;
function _rejectTransaction(reason) {
// https://openethereum.github.io/Transactions-Queue
reason = reason || 'unknown';
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] REJECTED PROCESSING TRANSACTION', _tx.data.hash, ' (Reason:', reason + ')');
const success = blockchain.removeTransactionsFromMempool([_tx.hash], true, true);
if (success) {
saveMempool();
}
throw new Error(reason); // on rejete definitivement la tx (elle ne sera pas minée ... et donc aucun frais de gas ne sera compté)
// et du coup on rejete le block
}
function _checkGas(step) {
execDuration = performance.now()/1000 - execTsStart; //parseFloat(process.hrtime(execTsStart).join('.'));
gasUsed = toBn(Math.round(execDuration * cpuPricePerSecond)); // TODO: prendre en compte le storage utilisé dans le calcul du gasUsed
txCost = gasUsed.mul(_tx.data.gasPrice);
if (step == 'afterTransfer') {
//debugger;
}
if (status) {
gasUsedEffective = gasUsed;
txCostEffective = gasUsedEffective.mul(_tx.data.gasPrice);
if (gasUsed.gt(_tx.data.gasLimit)) {
status = 0;
error = new Error('INSUFFICIENT_GAS');
gasUsedEffective = _tx.data.gasLimit;
txCostEffective = txCostLimit;
// emit event
const debugError = {
message: 'INSUFFICIENT_GAS',
step,
gasPrice: _tx.data.gasPrice,
gasLimit: _tx.data.gasLimit,
gasUsed,
gasUsedEffective,
txCostLimit,
txCost,
txCostEffective,
execDuration,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, _tx.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
}
}
//const block = this;
const txLogs = [];
let vmStorage = {};
let gasUsed = toBn(0);
let gasUsedEffective = toBn(0);
let status = 1;
let error = null;
let createdContractAddress = null;
let amountTransfered = toBn(0);
const contractAddress = this.data.to;
let storageBackup;
let balanceBackup;
let contractExecuted = false;
let contractDeployed = false;
const execTsStart = performance.now()/1000; //process.hrtime(); //Date.now();
let execDuration = 0;
const txCostLimit = this.data.gasLimit.mul(this.data.gasPrice);
let txCost = toBn(0);
let txCostEffective = toBn(0);
const accountFrom = blockchain.getAccount(this.data.from);
if (! accountFrom) {
_rejectTransaction('TRANSACTION_REJECTED_EMPTY_ACCOUNT');
}
const accountFromBalance = accountFrom.data.balance;
if (accountFrom.address != mintAddress) {
// verif nonce
const expectedNonce = toBn(accountFrom.data.transactions.length); // le nonce attendu est egal au nombre de transactions passées de l'account
if (! this.data.nonce.eq(expectedNonce)) {
_rejectTransaction('TRANSACTION_REJECTED_INCORRECT_NONCE');
}
// verif balance pour gas + transfer
if (this.data.value && this.data.value.gt(0)) {
if (accountFromBalance.lt(this.data.value.add(txCostLimit))) {
// l'adresse n'a pas suffisamment de fond pour executer la transaction (selon gasLimit)
// TODO: faut-il rejeter la tx ? ou la laisser passer (en status=0) et lui vider sa balance (si 100% du gas est utilisé) ?
//return _rejectTransaction('TRANSACTION_FAILED_INSUFFICIENT_ETH_BALANCE');
_rejectTransaction('TRANSACTION_REJECTED_INSUFFICIENT_ETH_BALANCE');
}
}
}
_checkGas('init');
if (status) {
if (this.data.value && this.data.value.gt(0) && contractAddress && contractAddress.length > 2) {
// Transfer la valeur demandée (simple ETH transaction)
const [transferResult, transferLogs, transferReverted] = blockchain.transferEth(this.data, block);
txLogs.push( ...transferLogs );
// si recipient == contract => on transfer quand meme dès maintenant => TODO: a revoir (le transferEth declenche un appel à receive ... avant meme de savoir si unne methode payable doit etre appelée. Probleme si receive provoque un revert => la fonction payable ne sera pas appelée)
// 1) si methode payable appellée, on l'execute
// 2) si methode non payable => on appelle receive juste avant
// 3) si methode inconnue => revert
if (transferResult && transferReverted) {
// reverted (after transfer)
amountTransfered = this.data.value;
status = 0;
error = new Error('TRANSFER_REVERTED');
} else if (transferResult) {
// success
amountTransfered = this.data.value;
} else {
// transfer failed
status = 0;
error = new Error('TRANSFER_FAILED');
}
}
_checkGas('afterTransfer');
}
const gasUsedBeforeContractExecution = gasUsed;
if (status && this.data.data && this.data.data != '0x') {
// Traitement du champ data de la transaction (smart contract call)
if (!contractAddress || contractAddress == '0x') {
// contract creation
contractDeployed = true;
let contractExecResult;
try {
contractExecResult = this.transactionDeployContract(block);
const creationLogs = contractExecResult.logs;
vmStorage = contractExecResult.storage;
if (creationLogs.length) {
txLogs.push( ...creationLogs );
}
if (! contractExecResult.result) {
// Deploy Failed
status = 0;
error = new Error('CONTRACT_CREATION_FAILED');
// emit event
const debugError = {
message: 'CONTRACT_CREATION_FAILED',
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
} else {
// Deploy Success
createdContractAddress = contractExecResult.result.toLowerCase();
if (this.data.value.gt(0)) {
// Transfer tx value to contract
const _txData = {
...this.data,
to: createdContractAddress,
};
const [transferResult, transferLogs, transferReverted] = blockchain.transferEth(_txData, block);
txLogs.push( ...transferLogs );
if (transferResult) {
amountTransfered = this.data.value;
} else {
status = 0;
error = new Error('CONTRACT_CREATION_TRANSFER_FAILED');
}
}
// TODO: emit event CONTRACT_CREATION_SUCCESS ?
}
} catch (e) {
//console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] Cannot execute transaction');
//throw e;
status = 0;
error = new Error('CONTRACT_CREATION_ERROR');
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] CONTRACT_CREATION_ERROR with message', e.message)
// emit event
const debugError = {
message: 'CONTRACT_CREATION_ERROR',
error: e.message,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
_checkGas('afterContractCreation');
} else {
// contract execution
const contractAccount = blockchain.getAccount(contractAddress);
if (! contractAccount) {
status = 0;
error = new Error('CONTRACT_ACCOUNT_NOT_FOUND');
// emit event
const debugError = {
message: 'CONTRACT_ACCOUNT_NOT_FOUND',
address: contractAddress,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
if (status) {
storageBackup = JSON.stringify(contractAccount.data.storage);
balanceBackup = contractAccount.data.balance;
contractExecuted = true;
try {
const contractExecResult = this.executeTransactionContract(block);
const internalLogs = contractExecResult.logs;
vmStorage = contractExecResult.storage;
if (internalLogs.length) {
txLogs.push( ...internalLogs );
}
if (! contractExecResult.result) {
status = 0;
error = new Error('CONTRACT_EXEC_FAILED');
// emit event
const debugError = {
message: 'CONTRACT_EXEC_FAILED',
address: contractAddress,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
} catch (e) {
status = 0;
error = new Error('CONTRACT_EXEC_ERROR');
// emit event
const debugError = {
message: 'CONTRACT_EXEC_ERROR',
address: contractAddress,
error: e.message,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
}
_checkGas('afterContractCall');
}
}
const gasUsedAfterContractExecution = gasUsed;
const gasUsedInContractExecution = gasUsedAfterContractExecution.sub(gasUsedBeforeContractExecution);
const contractExecutionCost = gasUsedInContractExecution.mul(_tx.data.gasPrice);
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] execDuration =', (Math.round(execDuration * 1000000) / 1000000), ' seconds');
if (txCostEffective.gt(0)) {
// Gas payment
//const minerAccount = blockchain.getAccount(block.data.miner, true);
//const gasPaymentResult = minerAccount.transferFrom(accountFrom.address, txCostEffective);
const txDataGasPayment = {
from: accountFrom.address,
to: block.data.miner,
value: txCostEffective,
};
const [gasPaymentResult, gasPaymentLogs, transferReverted] = blockchain.transferEth(txDataGasPayment, block, true);
txLogs.push(...gasPaymentLogs);
if (gasPaymentResult) {
// gas payment success
} else {
// gas payment failed => reject transaction (and block)
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] Gas payment failed');
_rejectTransaction('GAS_PAYMENT_FAILED');
}
if (false) {
// DEBUG
const gasPercent = gasUsed.mul(100).div(this.data.gasLimit).toNumber();
const gasEffectivePercent = gasUsedEffective.mul(100).div(this.data.gasLimit).toNumber();
const costPercent = txCost.mul(100).div(txCostLimit).toNumber();
const costEffectivePercent = txCostEffective.mul(100).div(txCostLimit).toNumber();
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] txCostLimit =', ethers.utils.formatEther(txCostLimit));
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] txCostEffective =', ethers.utils.formatEther(txCostEffective));
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] gas % =', Math.round(gasPercent), '% =', Math.round(gasEffectivePercent), '%');
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] cost % =', Math.round(costPercent), '%', Math.round(costEffectivePercent), '%');
}
}
if (accountFrom.address != mintAddress) {
const accountFromBalanceAtEnd = blockchain.getAccountBalance(accountFrom.address);
if (accountFromBalanceAtEnd.lt(0)){
_rejectTransaction('TRANSACTION_FAILED_INSUFFICIENT_ETH_BALANCE_AT_END');
}
}
if (! status) {
// Transaction Failed
// Revert transfer
if (amountTransfered.gt(0)) {
const txDataRevert = {
...this.data,
from: this.data.to,
to: this.data.from,
value: amountTransfered,
};
const [transferResult, transferLogs, transferReverted] = blockchain.transferEth(txDataRevert, block);
// TODO: gerer le revert des internal transfers
}
txLogs.forEach(log => {
log.removed = true;
});
// Revert contract storage
if (contractExecuted) {
const contractAccount = blockchain.getAccount(contractAddress);
contractAccount.data.storage = JSON.parse(storageBackup, utils.bnJsonParser);
contractAccount.data.balance = balanceBackup;
} else if (amountTransfered) {
// on check aussi amountTransfered car le contrat peut avoir été exécuté via receive => TODO: process a revoir
const contractAccount = blockchain.getAccount(contractAddress);
if (contractAccount && contractAccount.isContract()) {
//contractAccount.data.storage = JSON.parse(storageBackup, utils.bnJsonParser);
//contractAccount.data.balance = balanceBackup;
// TODO
}
}
// Revert deployed contract
if (contractDeployed) {
// nothing to do ?
}
const gasPercent = gasUsed.mul(100).div(this.data.gasLimit).toNumber();
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] FAILED TRANSACTION ', this.data.hash, '| gas usage percent =', gasPercent, '%', ' | Error: ', error.message);
const realExecDuration = performance.now()/1000 - execTsStart; //parseFloat(process.hrtime(execTsStart).join('.'));
const realGasUsed = toBn(Math.round(realExecDuration * cpuPricePerSecond)); // TODO: prendre en compte le storage utilisé dans le calcul du gasUsed
const realGasPercent = realGasUsed.mul(100).div(this.data.gasLimit).toNumber();
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] FAILED TRANSACTION ', this.data.hash, '| real gas usage percent =', realGasPercent, '%', ' | Error: ', error.message);
} else {
// Transaction Success
// save contract storage
Object.entries(vmStorage).forEach((entry, idx) => {
const [contractAddress, contractStorage] = entry;
const contractAccount = blockchain.getAccount(contractAddress, true);
contractAccount.data.storage = contractStorage;
contractAccount.save();
});
// show result (debug)
const gasPercent = gasUsed.mul(100).div(this.data.gasLimit).toNumber();;
console.log(utils.getDate(), "[BLOCKCHAIN]", 'SUCCECSS TRANSACTION ', this.data.hash, '| gas usage percent =', gasPercent, '%');
}
// total gas utilisé dans le block
block.data.gasUsed = block.data.gasUsed.add(gasUsed);
// assign block data on logs
txLogs.forEach((txLog, idx) => {
txLog.data.transactionIndex = transactionIndex;
txLog.data.logIndex = logIndexOffset + idx;
txLog.data.transactionHash = this.data.hash;
txLog.data.blockHash = block.hash;
txLog.data.blockNumber = block.data.number;
});
const receiptData = {
transactionHash: this.data.hash,
transactionIndex: transactionIndex,
blockNumber: block.data.number,
blockHash: block.hash,
//logsBloom: '0x0000',
contractAddress: createdContractAddress,
gasUsed,
cumulativeGasUsed: block.data.gasUsed,
effectiveGasPrice: this.data.gasPrice,
effectiveCost: this.data.gasPrice.mul(gasUsed),
logs: txLogs,
status,
}
const receipt = new Receipt(blockchain, receiptData);
return [receipt, txLogs];
}",
executeTransactionContract: "(block) => {
let contractAddress = this.data.to;
const isNullRecipient = (! contractAddress || contractAddress.length <= 2);
if (isNullRecipient) {
throw new Error('CONTRACT_EXEC_ADDRESS_INVALID_BUG_1');
}
const contractAccount = blockchain.getAccount(contractAddress);
if (! contractAccount) {
throw new Error('CONTRACT_EXEC_ACCOUNT_NOT_FOUND');
}
// Execute existing contract method call
return blockchain.callContractMethodInVM(this.data, block);
}",
transactionDeployContract: "(block) => {
let contractAddress = this.data.to;
let contractAccount;
if (contractAddress && contractAddress.length > 2) {
throw new Error('CONTRACT_DEPLOY_ADDRESS_INVALID_BUG_2');
}
// CONTRACT CREATION
if (! this.data.data || this.data.data.length <= 2) {
throw new Error('CONTRACT_DEPLOY_INVALID_DATA_EMPTY_CODE');
}
// build contract address
contractAddress = ethers.utils.getContractAddress(this.data).toLocaleLowerCase();
// parse contract source code & constructor parameters
const codes = ethers.utils.defaultAbiCoder.decode(["string", "string"], this.data.data);
if (! codes) {
throw new Error('CONTRACT_DEPLOY_CODE_PARSING_FAILED');
}
const sourceCode = codes[0];
const constructorParams = codes[1];
const constructorRawParams = ethers.utils.defaultAbiCoder.encode(["string"], [constructorParams]);
const codeHash = ethers.utils.id(sourceCode);
const codeAbi = null; // l'abi sera généré une fois que le contrat aura été instancié
const storageHash = ethers.utils.id('{}');
// create new account
const accountData = {
address: contractAddress,
code: sourceCode,
codeHash,
codeAbi,
storage: {},
storageHash,
};
contractAccount = blockchain.createAccount(contractAddress, accountData);
// instanciate contract + call constructor + recuperer storage
const txData = {
from: this.data.from,
to: contractAddress,
data: constructorRawParams,
value: this.data.value.toHexString(),
};
const callResult = blockchain.deployContractInVM(txData, block);
const creationLogs = callResult.logs;
const vmStorage = callResult.storage;
// emit event
const eventParams = [
contractAddress,
];
const _txData = {
...this.data,
to: blockchain.getNullAddress(),
}
const deployLog = new TxLog(blockchain, null, _txData, 'ContractCreated', eventParams, deployAbi);
creationLogs.push(deployLog);
return {
result: contractAddress,
logs: creationLogs,
storage: vmStorage,
};
}",
timestamp: "1651572545092",
status: 1,
gasUsed: "21116"
},
0x8242a23917239a9fdc16f71f3272d08a0e6e6ebd4ec9696f13aa8f2a3bb42aeb: {
data: {
blockHash: "0x0002e11e37101c4d7386f6c36294514c2308fe8434e6c413dd9c843b2a0bd52e",
blockNumber: "7",
transactionIndex: 0,
hash: "0x8242a23917239a9fdc16f71f3272d08a0e6e6ebd4ec9696f13aa8f2a3bb42aeb",
from: "0x0000000000000000000000000000000000000001",
gasLimit: "1000000000000000000",
gasPrice: "0",
data: "0x",
nonce: "6",
to: "0xccf8ba457dcad7ee6a0361c96846a0f79744b113",
value: "250000000000000000000",
chainId: "3615",
origin: "1651572550882",
v: "",
r: "",
s: ""
},
hash: "0x8242a23917239a9fdc16f71f3272d08a0e6e6ebd4ec9696f13aa8f2a3bb42aeb",
load: "() => {
const transactionFile = config.node.dataDir + '/transactions/' + this.hash + '.json';
if (! fs.existsSync(transactionFile)) {
console.warn(utils.getDate(), "[BLOCKCHAIN]", 'IMPORT Transaction not found', this.hash);
throw new Error('IMPORT_TRANSACTION_NOT_FOUND_DATABASE_CORRUPTED');
}
const transactionJson = fs.readFileSync(transactionFile);
transactionData = JSON.parse(transactionJson, utils.bnJsonParser);
this.data = (typeof transactionData == 'TransactionData') ? transactionData : new TransactionData(transactionData);
return true;
}",
save: "() => {
const transactionFile = config.node.dataDir + '/transactions/' + this.hash + '.json';
fs.writeFileSync(transactionFile, JSON.stringify(this.data));
return true;
}",
getReceipt: "() => {
return blockchain.getTransactionReceiptByHash(this.hash);
}",
getBlock: "() => {
return blockchain.getBlockByHash(this.data.blockHash);
}",
getBlockTransationPrev: "() => {
const block = this.getBlock();
const txPrevIdx = (this.data.transactionIndex > 0) ? (this.data.transactionIndex-1) : null;
const tx = (block && txPrevIdx in block.transactions) ? block.transactions[txPrevIdx] : null;
return tx;
}",
getBlockTransationNext: "() => {
const block = this.getBlock();
const txNextIdx = (this.data.transactionIndex < block.transactions.length - 1) ? (this.data.transactionIndex+1) : null;
const tx = (block && txNextIdx in block.transactions) ? block.transactions[txNextIdx] : null;
return tx;
}",
getAccountTransactionIndex: "() => {
const account = blockchain.getAccount(this.data.from);
if (! account) {
return null;
}
const txIdx = account.data.transactions.findIndex(transactionHash => blockchain.getTransactionByHash(transactionHash).hash == this.hash);
if (txIdx === -1) {
return null;
}
return txIdx;
}",
getAccountTransationPrev: "() => {
const account = blockchain.getAccount(this.data.from);
if (! account) {
return null;
}
const txIdx = this.getAccountTransactionIndex();
if (txIdx === null) {
return null;
}
const txPrevIdx = (txIdx > 0) ? (txIdx-1) : null;
const transactionHash = (txPrevIdx in account.data.transactions) ? account.data.transactions[txPrevIdx] : null;
if (! transactionHash) {
return null;
}
return blockchain.getTransactionByHash(transactionHash);
}",
getAccountTransationNext: "() => {
const account = blockchain.getAccount(this.data.from);
if (! account) {
return null;
}
const txIdx = this.getAccountTransactionIndex();
if (txIdx === null) {
return null;
}
const txNextIdx = (txIdx < account.data.transactions.length - 1) ? (txIdx+1) : null;
const transactionHash = (txNextIdx in account.data.transactions) ? account.data.transactions[txNextIdx] : null;
if (! transactionHash) {
return null;
}
return blockchain.getTransactionByHash(transactionHash);
}",
formatRpc: "() => {
// https://github.com/ethers-io/ethers.js/blob/master/packages/abstract-provider/lib/index.d.ts
const to = (this.data.to && this.data.to.length == 42) ? this.data.to : null;
const _txData = {
blockHash: this.data.blockHash,
blockNumber: this.data.blockNumber.toNumber(),
transactionIndex: this.data.transactionIndex,
hash: this.data.hash,
from: this.data.from,
gasLimit: this.data.gasLimit.toHexString(),
gasPrice: this.data.gasPrice.toHexString(),
data: this.data.data,
nonce: this.data.nonce.toHexString(),
to,
value: this.data.value.toHexString(),
chainId: this.data.chainId.toNumber(),
//origin: this.data.origin.toHexString(),
};
return _txData;
}",
getHashOLD: "() => {
const _txData = {
gasPrice: this.data.gasPrice,
gasLimit: this.data.gasLimit,
from: this.data.from,
to: this.data.to,
value: this.data.value,
data: this.data.data,
nonce: this.data.nonce,
};
const strvalue = JSON.stringify(utils.orderedObject(_txData));
const transactionHash = ethers.utils.id(strvalue);
return transactionHash;
}",
getHash: "() => {
const _txData = {
gasPrice: this.data.gasPrice.toHexString(),
gasLimit: this.data.gasLimit.toHexString(),
from: this.data.from,
to: this.data.to,
value: this.data.value.toHexString(),
data: this.data.data,
nonce: this.data.nonce.toHexString(),
v: this.data.v ? ('0x' + this.data.v) : '',
r: this.data.r ? ('0x' + this.data.r) : '',
s: this.data.s ? ('0x' + this.data.s) : '',
};
const tx = new EthereumJS.Transaction(_txData);
const hashRaw = tx.hash();
const transactionHash = ethers.utils.defaultAbiCoder.decode(["uint256"], hashRaw)[0].toHexString();
return transactionHash;
}",
execute: "(block, transactionIndex, logIndexOffset) => {
const _tx = this;
function _rejectTransaction(reason) {
// https://openethereum.github.io/Transactions-Queue
reason = reason || 'unknown';
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] REJECTED PROCESSING TRANSACTION', _tx.data.hash, ' (Reason:', reason + ')');
const success = blockchain.removeTransactionsFromMempool([_tx.hash], true, true);
if (success) {
saveMempool();
}
throw new Error(reason); // on rejete definitivement la tx (elle ne sera pas minée ... et donc aucun frais de gas ne sera compté)
// et du coup on rejete le block
}
function _checkGas(step) {
execDuration = performance.now()/1000 - execTsStart; //parseFloat(process.hrtime(execTsStart).join('.'));
gasUsed = toBn(Math.round(execDuration * cpuPricePerSecond)); // TODO: prendre en compte le storage utilisé dans le calcul du gasUsed
txCost = gasUsed.mul(_tx.data.gasPrice);
if (step == 'afterTransfer') {
//debugger;
}
if (status) {
gasUsedEffective = gasUsed;
txCostEffective = gasUsedEffective.mul(_tx.data.gasPrice);
if (gasUsed.gt(_tx.data.gasLimit)) {
status = 0;
error = new Error('INSUFFICIENT_GAS');
gasUsedEffective = _tx.data.gasLimit;
txCostEffective = txCostLimit;
// emit event
const debugError = {
message: 'INSUFFICIENT_GAS',
step,
gasPrice: _tx.data.gasPrice,
gasLimit: _tx.data.gasLimit,
gasUsed,
gasUsedEffective,
txCostLimit,
txCost,
txCostEffective,
execDuration,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, _tx.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
}
}
//const block = this;
const txLogs = [];
let vmStorage = {};
let gasUsed = toBn(0);
let gasUsedEffective = toBn(0);
let status = 1;
let error = null;
let createdContractAddress = null;
let amountTransfered = toBn(0);
const contractAddress = this.data.to;
let storageBackup;
let balanceBackup;
let contractExecuted = false;
let contractDeployed = false;
const execTsStart = performance.now()/1000; //process.hrtime(); //Date.now();
let execDuration = 0;
const txCostLimit = this.data.gasLimit.mul(this.data.gasPrice);
let txCost = toBn(0);
let txCostEffective = toBn(0);
const accountFrom = blockchain.getAccount(this.data.from);
if (! accountFrom) {
_rejectTransaction('TRANSACTION_REJECTED_EMPTY_ACCOUNT');
}
const accountFromBalance = accountFrom.data.balance;
if (accountFrom.address != mintAddress) {
// verif nonce
const expectedNonce = toBn(accountFrom.data.transactions.length); // le nonce attendu est egal au nombre de transactions passées de l'account
if (! this.data.nonce.eq(expectedNonce)) {
_rejectTransaction('TRANSACTION_REJECTED_INCORRECT_NONCE');
}
// verif balance pour gas + transfer
if (this.data.value && this.data.value.gt(0)) {
if (accountFromBalance.lt(this.data.value.add(txCostLimit))) {
// l'adresse n'a pas suffisamment de fond pour executer la transaction (selon gasLimit)
// TODO: faut-il rejeter la tx ? ou la laisser passer (en status=0) et lui vider sa balance (si 100% du gas est utilisé) ?
//return _rejectTransaction('TRANSACTION_FAILED_INSUFFICIENT_ETH_BALANCE');
_rejectTransaction('TRANSACTION_REJECTED_INSUFFICIENT_ETH_BALANCE');
}
}
}
_checkGas('init');
if (status) {
if (this.data.value && this.data.value.gt(0) && contractAddress && contractAddress.length > 2) {
// Transfer la valeur demandée (simple ETH transaction)
const [transferResult, transferLogs, transferReverted] = blockchain.transferEth(this.data, block);
txLogs.push( ...transferLogs );
// si recipient == contract => on transfer quand meme dès maintenant => TODO: a revoir (le transferEth declenche un appel à receive ... avant meme de savoir si unne methode payable doit etre appelée. Probleme si receive provoque un revert => la fonction payable ne sera pas appelée)
// 1) si methode payable appellée, on l'execute
// 2) si methode non payable => on appelle receive juste avant
// 3) si methode inconnue => revert
if (transferResult && transferReverted) {
// reverted (after transfer)
amountTransfered = this.data.value;
status = 0;
error = new Error('TRANSFER_REVERTED');
} else if (transferResult) {
// success
amountTransfered = this.data.value;
} else {
// transfer failed
status = 0;
error = new Error('TRANSFER_FAILED');
}
}
_checkGas('afterTransfer');
}
const gasUsedBeforeContractExecution = gasUsed;
if (status && this.data.data && this.data.data != '0x') {
// Traitement du champ data de la transaction (smart contract call)
if (!contractAddress || contractAddress == '0x') {
// contract creation
contractDeployed = true;
let contractExecResult;
try {
contractExecResult = this.transactionDeployContract(block);
const creationLogs = contractExecResult.logs;
vmStorage = contractExecResult.storage;
if (creationLogs.length) {
txLogs.push( ...creationLogs );
}
if (! contractExecResult.result) {
// Deploy Failed
status = 0;
error = new Error('CONTRACT_CREATION_FAILED');
// emit event
const debugError = {
message: 'CONTRACT_CREATION_FAILED',
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
} else {
// Deploy Success
createdContractAddress = contractExecResult.result.toLowerCase();
if (this.data.value.gt(0)) {
// Transfer tx value to contract
const _txData = {
...this.data,
to: createdContractAddress,
};
const [transferResult, transferLogs, transferReverted] = blockchain.transferEth(_txData, block);
txLogs.push( ...transferLogs );
if (transferResult) {
amountTransfered = this.data.value;
} else {
status = 0;
error = new Error('CONTRACT_CREATION_TRANSFER_FAILED');
}
}
// TODO: emit event CONTRACT_CREATION_SUCCESS ?
}
} catch (e) {
//console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] Cannot execute transaction');
//throw e;
status = 0;
error = new Error('CONTRACT_CREATION_ERROR');
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] CONTRACT_CREATION_ERROR with message', e.message)
// emit event
const debugError = {
message: 'CONTRACT_CREATION_ERROR',
error: e.message,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
_checkGas('afterContractCreation');
} else {
// contract execution
const contractAccount = blockchain.getAccount(contractAddress);
if (! contractAccount) {
status = 0;
error = new Error('CONTRACT_ACCOUNT_NOT_FOUND');
// emit event
const debugError = {
message: 'CONTRACT_ACCOUNT_NOT_FOUND',
address: contractAddress,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
if (status) {
storageBackup = JSON.stringify(contractAccount.data.storage);
balanceBackup = contractAccount.data.balance;
contractExecuted = true;
try {
const contractExecResult = this.executeTransactionContract(block);
const internalLogs = contractExecResult.logs;
vmStorage = contractExecResult.storage;
if (internalLogs.length) {
txLogs.push( ...internalLogs );
}
if (! contractExecResult.result) {
status = 0;
error = new Error('CONTRACT_EXEC_FAILED');
// emit event
const debugError = {
message: 'CONTRACT_EXEC_FAILED',
address: contractAddress,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
} catch (e) {
status = 0;
error = new Error('CONTRACT_EXEC_ERROR');
// emit event
const debugError = {
message: 'CONTRACT_EXEC_ERROR',
address: contractAddress,
error: e.message,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
}
_checkGas('afterContractCall');
}
}
const gasUsedAfterContractExecution = gasUsed;
const gasUsedInContractExecution = gasUsedAfterContractExecution.sub(gasUsedBeforeContractExecution);
const contractExecutionCost = gasUsedInContractExecution.mul(_tx.data.gasPrice);
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] execDuration =', (Math.round(execDuration * 1000000) / 1000000), ' seconds');
if (txCostEffective.gt(0)) {
// Gas payment
//const minerAccount = blockchain.getAccount(block.data.miner, true);
//const gasPaymentResult = minerAccount.transferFrom(accountFrom.address, txCostEffective);
const txDataGasPayment = {
from: accountFrom.address,
to: block.data.miner,
value: txCostEffective,
};
const [gasPaymentResult, gasPaymentLogs, transferReverted] = blockchain.transferEth(txDataGasPayment, block, true);
txLogs.push(...gasPaymentLogs);
if (gasPaymentResult) {
// gas payment success
} else {
// gas payment failed => reject transaction (and block)
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] Gas payment failed');
_rejectTransaction('GAS_PAYMENT_FAILED');
}
if (false) {
// DEBUG
const gasPercent = gasUsed.mul(100).div(this.data.gasLimit).toNumber();
const gasEffectivePercent = gasUsedEffective.mul(100).div(this.data.gasLimit).toNumber();
const costPercent = txCost.mul(100).div(txCostLimit).toNumber();
const costEffectivePercent = txCostEffective.mul(100).div(txCostLimit).toNumber();
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] txCostLimit =', ethers.utils.formatEther(txCostLimit));
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] txCostEffective =', ethers.utils.formatEther(txCostEffective));
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] gas % =', Math.round(gasPercent), '% =', Math.round(gasEffectivePercent), '%');
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] cost % =', Math.round(costPercent), '%', Math.round(costEffectivePercent), '%');
}
}
if (accountFrom.address != mintAddress) {
const accountFromBalanceAtEnd = blockchain.getAccountBalance(accountFrom.address);
if (accountFromBalanceAtEnd.lt(0)){
_rejectTransaction('TRANSACTION_FAILED_INSUFFICIENT_ETH_BALANCE_AT_END');
}
}
if (! status) {
// Transaction Failed
// Revert transfer
if (amountTransfered.gt(0)) {
const txDataRevert = {
...this.data,
from: this.data.to,
to: this.data.from,
value: amountTransfered,
};
const [transferResult, transferLogs, transferReverted] = blockchain.transferEth(txDataRevert, block);
// TODO: gerer le revert des internal transfers
}
txLogs.forEach(log => {
log.removed = true;
});
// Revert contract storage
if (contractExecuted) {
const contractAccount = blockchain.getAccount(contractAddress);
contractAccount.data.storage = JSON.parse(storageBackup, utils.bnJsonParser);
contractAccount.data.balance = balanceBackup;
} else if (amountTransfered) {
// on check aussi amountTransfered car le contrat peut avoir été exécuté via receive => TODO: process a revoir
const contractAccount = blockchain.getAccount(contractAddress);
if (contractAccount && contractAccount.isContract()) {
//contractAccount.data.storage = JSON.parse(storageBackup, utils.bnJsonParser);
//contractAccount.data.balance = balanceBackup;
// TODO
}
}
// Revert deployed contract
if (contractDeployed) {
// nothing to do ?
}
const gasPercent = gasUsed.mul(100).div(this.data.gasLimit).toNumber();
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] FAILED TRANSACTION ', this.data.hash, '| gas usage percent =', gasPercent, '%', ' | Error: ', error.message);
const realExecDuration = performance.now()/1000 - execTsStart; //parseFloat(process.hrtime(execTsStart).join('.'));
const realGasUsed = toBn(Math.round(realExecDuration * cpuPricePerSecond)); // TODO: prendre en compte le storage utilisé dans le calcul du gasUsed
const realGasPercent = realGasUsed.mul(100).div(this.data.gasLimit).toNumber();
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] FAILED TRANSACTION ', this.data.hash, '| real gas usage percent =', realGasPercent, '%', ' | Error: ', error.message);
} else {
// Transaction Success
// save contract storage
Object.entries(vmStorage).forEach((entry, idx) => {
const [contractAddress, contractStorage] = entry;
const contractAccount = blockchain.getAccount(contractAddress, true);
contractAccount.data.storage = contractStorage;
contractAccount.save();
});
// show result (debug)
const gasPercent = gasUsed.mul(100).div(this.data.gasLimit).toNumber();;
console.log(utils.getDate(), "[BLOCKCHAIN]", 'SUCCECSS TRANSACTION ', this.data.hash, '| gas usage percent =', gasPercent, '%');
}
// total gas utilisé dans le block
block.data.gasUsed = block.data.gasUsed.add(gasUsed);
// assign block data on logs
txLogs.forEach((txLog, idx) => {
txLog.data.transactionIndex = transactionIndex;
txLog.data.logIndex = logIndexOffset + idx;
txLog.data.transactionHash = this.data.hash;
txLog.data.blockHash = block.hash;
txLog.data.blockNumber = block.data.number;
});
const receiptData = {
transactionHash: this.data.hash,
transactionIndex: transactionIndex,
blockNumber: block.data.number,
blockHash: block.hash,
//logsBloom: '0x0000',
contractAddress: createdContractAddress,
gasUsed,
cumulativeGasUsed: block.data.gasUsed,
effectiveGasPrice: this.data.gasPrice,
effectiveCost: this.data.gasPrice.mul(gasUsed),
logs: txLogs,
status,
}
const receipt = new Receipt(blockchain, receiptData);
return [receipt, txLogs];
}",
executeTransactionContract: "(block) => {
let contractAddress = this.data.to;
const isNullRecipient = (! contractAddress || contractAddress.length <= 2);
if (isNullRecipient) {
throw new Error('CONTRACT_EXEC_ADDRESS_INVALID_BUG_1');
}
const contractAccount = blockchain.getAccount(contractAddress);
if (! contractAccount) {
throw new Error('CONTRACT_EXEC_ACCOUNT_NOT_FOUND');
}
// Execute existing contract method call
return blockchain.callContractMethodInVM(this.data, block);
}",
transactionDeployContract: "(block) => {
let contractAddress = this.data.to;
let contractAccount;
if (contractAddress && contractAddress.length > 2) {
throw new Error('CONTRACT_DEPLOY_ADDRESS_INVALID_BUG_2');
}
// CONTRACT CREATION
if (! this.data.data || this.data.data.length <= 2) {
throw new Error('CONTRACT_DEPLOY_INVALID_DATA_EMPTY_CODE');
}
// build contract address
contractAddress = ethers.utils.getContractAddress(this.data).toLocaleLowerCase();
// parse contract source code & constructor parameters
const codes = ethers.utils.defaultAbiCoder.decode(["string", "string"], this.data.data);
if (! codes) {
throw new Error('CONTRACT_DEPLOY_CODE_PARSING_FAILED');
}
const sourceCode = codes[0];
const constructorParams = codes[1];
const constructorRawParams = ethers.utils.defaultAbiCoder.encode(["string"], [constructorParams]);
const codeHash = ethers.utils.id(sourceCode);
const codeAbi = null; // l'abi sera généré une fois que le contrat aura été instancié
const storageHash = ethers.utils.id('{}');
// create new account
const accountData = {
address: contractAddress,
code: sourceCode,
codeHash,
codeAbi,
storage: {},
storageHash,
};
contractAccount = blockchain.createAccount(contractAddress, accountData);
// instanciate contract + call constructor + recuperer storage
const txData = {
from: this.data.from,
to: contractAddress,
data: constructorRawParams,
value: this.data.value.toHexString(),
};
const callResult = blockchain.deployContractInVM(txData, block);
const creationLogs = callResult.logs;
const vmStorage = callResult.storage;
// emit event
const eventParams = [
contractAddress,
];
const _txData = {
...this.data,
to: blockchain.getNullAddress(),
}
const deployLog = new TxLog(blockchain, null, _txData, 'ContractCreated', eventParams, deployAbi);
creationLogs.push(deployLog);
return {
result: contractAddress,
logs: creationLogs,
storage: vmStorage,
};
}",
timestamp: "1651572551733",
status: 1,
gasUsed: "3108"
},
0xcef76138cfb3883fae36032061551ff0dcff8785795478380912e44318fe40bd: {
data: {
blockHash: "0x0002e11e37101c4d7386f6c36294514c2308fe8434e6c413dd9c843b2a0bd52e",
blockNumber: "7",
transactionIndex: 1,
hash: "0xcef76138cfb3883fae36032061551ff0dcff8785795478380912e44318fe40bd",
from: "0x131a190fa22cb867abf58193bf9e7640e9fce682",
gasLimit: "1135950",
gasPrice: "1000000000",
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nonce: "6",
to: "0x",
value: "0",
chainId: "3615",
origin: "1651572550141",
v: "1c61",
r: "a980b72389ae3d2144af00f47acbe772ae53fb51f1acbcd068760d57b663cf41",
s: "775a54a26bf9f47097959d46d772a5bddbbc9310ef6c8cd4ea160e026de5ec9e"
},
hash: "0xcef76138cfb3883fae36032061551ff0dcff8785795478380912e44318fe40bd",
load: "() => {
const transactionFile = config.node.dataDir + '/transactions/' + this.hash + '.json';
if (! fs.existsSync(transactionFile)) {
console.warn(utils.getDate(), "[BLOCKCHAIN]", 'IMPORT Transaction not found', this.hash);
throw new Error('IMPORT_TRANSACTION_NOT_FOUND_DATABASE_CORRUPTED');
}
const transactionJson = fs.readFileSync(transactionFile);
transactionData = JSON.parse(transactionJson, utils.bnJsonParser);
this.data = (typeof transactionData == 'TransactionData') ? transactionData : new TransactionData(transactionData);
return true;
}",
save: "() => {
const transactionFile = config.node.dataDir + '/transactions/' + this.hash + '.json';
fs.writeFileSync(transactionFile, JSON.stringify(this.data));
return true;
}",
getReceipt: "() => {
return blockchain.getTransactionReceiptByHash(this.hash);
}",
getBlock: "() => {
return blockchain.getBlockByHash(this.data.blockHash);
}",
getBlockTransationPrev: "() => {
const block = this.getBlock();
const txPrevIdx = (this.data.transactionIndex > 0) ? (this.data.transactionIndex-1) : null;
const tx = (block && txPrevIdx in block.transactions) ? block.transactions[txPrevIdx] : null;
return tx;
}",
getBlockTransationNext: "() => {
const block = this.getBlock();
const txNextIdx = (this.data.transactionIndex < block.transactions.length - 1) ? (this.data.transactionIndex+1) : null;
const tx = (block && txNextIdx in block.transactions) ? block.transactions[txNextIdx] : null;
return tx;
}",
getAccountTransactionIndex: "() => {
const account = blockchain.getAccount(this.data.from);
if (! account) {
return null;
}
const txIdx = account.data.transactions.findIndex(transactionHash => blockchain.getTransactionByHash(transactionHash).hash == this.hash);
if (txIdx === -1) {
return null;
}
return txIdx;
}",
getAccountTransationPrev: "() => {
const account = blockchain.getAccount(this.data.from);
if (! account) {
return null;
}
const txIdx = this.getAccountTransactionIndex();
if (txIdx === null) {
return null;
}
const txPrevIdx = (txIdx > 0) ? (txIdx-1) : null;
const transactionHash = (txPrevIdx in account.data.transactions) ? account.data.transactions[txPrevIdx] : null;
if (! transactionHash) {
return null;
}
return blockchain.getTransactionByHash(transactionHash);
}",
getAccountTransationNext: "() => {
const account = blockchain.getAccount(this.data.from);
if (! account) {
return null;
}
const txIdx = this.getAccountTransactionIndex();
if (txIdx === null) {
return null;
}
const txNextIdx = (txIdx < account.data.transactions.length - 1) ? (txIdx+1) : null;
const transactionHash = (txNextIdx in account.data.transactions) ? account.data.transactions[txNextIdx] : null;
if (! transactionHash) {
return null;
}
return blockchain.getTransactionByHash(transactionHash);
}",
formatRpc: "() => {
// https://github.com/ethers-io/ethers.js/blob/master/packages/abstract-provider/lib/index.d.ts
const to = (this.data.to && this.data.to.length == 42) ? this.data.to : null;
const _txData = {
blockHash: this.data.blockHash,
blockNumber: this.data.blockNumber.toNumber(),
transactionIndex: this.data.transactionIndex,
hash: this.data.hash,
from: this.data.from,
gasLimit: this.data.gasLimit.toHexString(),
gasPrice: this.data.gasPrice.toHexString(),
data: this.data.data,
nonce: this.data.nonce.toHexString(),
to,
value: this.data.value.toHexString(),
chainId: this.data.chainId.toNumber(),
//origin: this.data.origin.toHexString(),
};
return _txData;
}",
getHashOLD: "() => {
const _txData = {
gasPrice: this.data.gasPrice,
gasLimit: this.data.gasLimit,
from: this.data.from,
to: this.data.to,
value: this.data.value,
data: this.data.data,
nonce: this.data.nonce,
};
const strvalue = JSON.stringify(utils.orderedObject(_txData));
const transactionHash = ethers.utils.id(strvalue);
return transactionHash;
}",
getHash: "() => {
const _txData = {
gasPrice: this.data.gasPrice.toHexString(),
gasLimit: this.data.gasLimit.toHexString(),
from: this.data.from,
to: this.data.to,
value: this.data.value.toHexString(),
data: this.data.data,
nonce: this.data.nonce.toHexString(),
v: this.data.v ? ('0x' + this.data.v) : '',
r: this.data.r ? ('0x' + this.data.r) : '',
s: this.data.s ? ('0x' + this.data.s) : '',
};
const tx = new EthereumJS.Transaction(_txData);
const hashRaw = tx.hash();
const transactionHash = ethers.utils.defaultAbiCoder.decode(["uint256"], hashRaw)[0].toHexString();
return transactionHash;
}",
execute: "(block, transactionIndex, logIndexOffset) => {
const _tx = this;
function _rejectTransaction(reason) {
// https://openethereum.github.io/Transactions-Queue
reason = reason || 'unknown';
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] REJECTED PROCESSING TRANSACTION', _tx.data.hash, ' (Reason:', reason + ')');
const success = blockchain.removeTransactionsFromMempool([_tx.hash], true, true);
if (success) {
saveMempool();
}
throw new Error(reason); // on rejete definitivement la tx (elle ne sera pas minée ... et donc aucun frais de gas ne sera compté)
// et du coup on rejete le block
}
function _checkGas(step) {
execDuration = performance.now()/1000 - execTsStart; //parseFloat(process.hrtime(execTsStart).join('.'));
gasUsed = toBn(Math.round(execDuration * cpuPricePerSecond)); // TODO: prendre en compte le storage utilisé dans le calcul du gasUsed
txCost = gasUsed.mul(_tx.data.gasPrice);
if (step == 'afterTransfer') {
//debugger;
}
if (status) {
gasUsedEffective = gasUsed;
txCostEffective = gasUsedEffective.mul(_tx.data.gasPrice);
if (gasUsed.gt(_tx.data.gasLimit)) {
status = 0;
error = new Error('INSUFFICIENT_GAS');
gasUsedEffective = _tx.data.gasLimit;
txCostEffective = txCostLimit;
// emit event
const debugError = {
message: 'INSUFFICIENT_GAS',
step,
gasPrice: _tx.data.gasPrice,
gasLimit: _tx.data.gasLimit,
gasUsed,
gasUsedEffective,
txCostLimit,
txCost,
txCostEffective,
execDuration,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, _tx.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
}
}
//const block = this;
const txLogs = [];
let vmStorage = {};
let gasUsed = toBn(0);
let gasUsedEffective = toBn(0);
let status = 1;
let error = null;
let createdContractAddress = null;
let amountTransfered = toBn(0);
const contractAddress = this.data.to;
let storageBackup;
let balanceBackup;
let contractExecuted = false;
let contractDeployed = false;
const execTsStart = performance.now()/1000; //process.hrtime(); //Date.now();
let execDuration = 0;
const txCostLimit = this.data.gasLimit.mul(this.data.gasPrice);
let txCost = toBn(0);
let txCostEffective = toBn(0);
const accountFrom = blockchain.getAccount(this.data.from);
if (! accountFrom) {
_rejectTransaction('TRANSACTION_REJECTED_EMPTY_ACCOUNT');
}
const accountFromBalance = accountFrom.data.balance;
if (accountFrom.address != mintAddress) {
// verif nonce
const expectedNonce = toBn(accountFrom.data.transactions.length); // le nonce attendu est egal au nombre de transactions passées de l'account
if (! this.data.nonce.eq(expectedNonce)) {
_rejectTransaction('TRANSACTION_REJECTED_INCORRECT_NONCE');
}
// verif balance pour gas + transfer
if (this.data.value && this.data.value.gt(0)) {
if (accountFromBalance.lt(this.data.value.add(txCostLimit))) {
// l'adresse n'a pas suffisamment de fond pour executer la transaction (selon gasLimit)
// TODO: faut-il rejeter la tx ? ou la laisser passer (en status=0) et lui vider sa balance (si 100% du gas est utilisé) ?
//return _rejectTransaction('TRANSACTION_FAILED_INSUFFICIENT_ETH_BALANCE');
_rejectTransaction('TRANSACTION_REJECTED_INSUFFICIENT_ETH_BALANCE');
}
}
}
_checkGas('init');
if (status) {
if (this.data.value && this.data.value.gt(0) && contractAddress && contractAddress.length > 2) {
// Transfer la valeur demandée (simple ETH transaction)
const [transferResult, transferLogs, transferReverted] = blockchain.transferEth(this.data, block);
txLogs.push( ...transferLogs );
// si recipient == contract => on transfer quand meme dès maintenant => TODO: a revoir (le transferEth declenche un appel à receive ... avant meme de savoir si unne methode payable doit etre appelée. Probleme si receive provoque un revert => la fonction payable ne sera pas appelée)
// 1) si methode payable appellée, on l'execute
// 2) si methode non payable => on appelle receive juste avant
// 3) si methode inconnue => revert
if (transferResult && transferReverted) {
// reverted (after transfer)
amountTransfered = this.data.value;
status = 0;
error = new Error('TRANSFER_REVERTED');
} else if (transferResult) {
// success
amountTransfered = this.data.value;
} else {
// transfer failed
status = 0;
error = new Error('TRANSFER_FAILED');
}
}
_checkGas('afterTransfer');
}
const gasUsedBeforeContractExecution = gasUsed;
if (status && this.data.data && this.data.data != '0x') {
// Traitement du champ data de la transaction (smart contract call)
if (!contractAddress || contractAddress == '0x') {
// contract creation
contractDeployed = true;
let contractExecResult;
try {
contractExecResult = this.transactionDeployContract(block);
const creationLogs = contractExecResult.logs;
vmStorage = contractExecResult.storage;
if (creationLogs.length) {
txLogs.push( ...creationLogs );
}
if (! contractExecResult.result) {
// Deploy Failed
status = 0;
error = new Error('CONTRACT_CREATION_FAILED');
// emit event
const debugError = {
message: 'CONTRACT_CREATION_FAILED',
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
} else {
// Deploy Success
createdContractAddress = contractExecResult.result.toLowerCase();
if (this.data.value.gt(0)) {
// Transfer tx value to contract
const _txData = {
...this.data,
to: createdContractAddress,
};
const [transferResult, transferLogs, transferReverted] = blockchain.transferEth(_txData, block);
txLogs.push( ...transferLogs );
if (transferResult) {
amountTransfered = this.data.value;
} else {
status = 0;
error = new Error('CONTRACT_CREATION_TRANSFER_FAILED');
}
}
// TODO: emit event CONTRACT_CREATION_SUCCESS ?
}
} catch (e) {
//console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] Cannot execute transaction');
//throw e;
status = 0;
error = new Error('CONTRACT_CREATION_ERROR');
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] CONTRACT_CREATION_ERROR with message', e.message)
// emit event
const debugError = {
message: 'CONTRACT_CREATION_ERROR',
error: e.message,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
_checkGas('afterContractCreation');
} else {
// contract execution
const contractAccount = blockchain.getAccount(contractAddress);
if (! contractAccount) {
status = 0;
error = new Error('CONTRACT_ACCOUNT_NOT_FOUND');
// emit event
const debugError = {
message: 'CONTRACT_ACCOUNT_NOT_FOUND',
address: contractAddress,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
if (status) {
storageBackup = JSON.stringify(contractAccount.data.storage);
balanceBackup = contractAccount.data.balance;
contractExecuted = true;
try {
const contractExecResult = this.executeTransactionContract(block);
const internalLogs = contractExecResult.logs;
vmStorage = contractExecResult.storage;
if (internalLogs.length) {
txLogs.push( ...internalLogs );
}
if (! contractExecResult.result) {
status = 0;
error = new Error('CONTRACT_EXEC_FAILED');
// emit event
const debugError = {
message: 'CONTRACT_EXEC_FAILED',
address: contractAddress,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
} catch (e) {
status = 0;
error = new Error('CONTRACT_EXEC_ERROR');
// emit event
const debugError = {
message: 'CONTRACT_EXEC_ERROR',
address: contractAddress,
error: e.message,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
}
_checkGas('afterContractCall');
}
}
const gasUsedAfterContractExecution = gasUsed;
const gasUsedInContractExecution = gasUsedAfterContractExecution.sub(gasUsedBeforeContractExecution);
const contractExecutionCost = gasUsedInContractExecution.mul(_tx.data.gasPrice);
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] execDuration =', (Math.round(execDuration * 1000000) / 1000000), ' seconds');
if (txCostEffective.gt(0)) {
// Gas payment
//const minerAccount = blockchain.getAccount(block.data.miner, true);
//const gasPaymentResult = minerAccount.transferFrom(accountFrom.address, txCostEffective);
const txDataGasPayment = {
from: accountFrom.address,
to: block.data.miner,
value: txCostEffective,
};
const [gasPaymentResult, gasPaymentLogs, transferReverted] = blockchain.transferEth(txDataGasPayment, block, true);
txLogs.push(...gasPaymentLogs);
if (gasPaymentResult) {
// gas payment success
} else {
// gas payment failed => reject transaction (and block)
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] Gas payment failed');
_rejectTransaction('GAS_PAYMENT_FAILED');
}
if (false) {
// DEBUG
const gasPercent = gasUsed.mul(100).div(this.data.gasLimit).toNumber();
const gasEffectivePercent = gasUsedEffective.mul(100).div(this.data.gasLimit).toNumber();
const costPercent = txCost.mul(100).div(txCostLimit).toNumber();
const costEffectivePercent = txCostEffective.mul(100).div(txCostLimit).toNumber();
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] txCostLimit =', ethers.utils.formatEther(txCostLimit));
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] txCostEffective =', ethers.utils.formatEther(txCostEffective));
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] gas % =', Math.round(gasPercent), '% =', Math.round(gasEffectivePercent), '%');
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] cost % =', Math.round(costPercent), '%', Math.round(costEffectivePercent), '%');
}
}
if (accountFrom.address != mintAddress) {
const accountFromBalanceAtEnd = blockchain.getAccountBalance(accountFrom.address);
if (accountFromBalanceAtEnd.lt(0)){
_rejectTransaction('TRANSACTION_FAILED_INSUFFICIENT_ETH_BALANCE_AT_END');
}
}
if (! status) {
// Transaction Failed
// Revert transfer
if (amountTransfered.gt(0)) {
const txDataRevert = {
...this.data,
from: this.data.to,
to: this.data.from,
value: amountTransfered,
};
const [transferResult, transferLogs, transferReverted] = blockchain.transferEth(txDataRevert, block);
// TODO: gerer le revert des internal transfers
}
txLogs.forEach(log => {
log.removed = true;
});
// Revert contract storage
if (contractExecuted) {
const contractAccount = blockchain.getAccount(contractAddress);
contractAccount.data.storage = JSON.parse(storageBackup, utils.bnJsonParser);
contractAccount.data.balance = balanceBackup;
} else if (amountTransfered) {
// on check aussi amountTransfered car le contrat peut avoir été exécuté via receive => TODO: process a revoir
const contractAccount = blockchain.getAccount(contractAddress);
if (contractAccount && contractAccount.isContract()) {
//contractAccount.data.storage = JSON.parse(storageBackup, utils.bnJsonParser);
//contractAccount.data.balance = balanceBackup;
// TODO
}
}
// Revert deployed contract
if (contractDeployed) {
// nothing to do ?
}
const gasPercent = gasUsed.mul(100).div(this.data.gasLimit).toNumber();
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] FAILED TRANSACTION ', this.data.hash, '| gas usage percent =', gasPercent, '%', ' | Error: ', error.message);
const realExecDuration = performance.now()/1000 - execTsStart; //parseFloat(process.hrtime(execTsStart).join('.'));
const realGasUsed = toBn(Math.round(realExecDuration * cpuPricePerSecond)); // TODO: prendre en compte le storage utilisé dans le calcul du gasUsed
const realGasPercent = realGasUsed.mul(100).div(this.data.gasLimit).toNumber();
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] FAILED TRANSACTION ', this.data.hash, '| real gas usage percent =', realGasPercent, '%', ' | Error: ', error.message);
} else {
// Transaction Success
// save contract storage
Object.entries(vmStorage).forEach((entry, idx) => {
const [contractAddress, contractStorage] = entry;
const contractAccount = blockchain.getAccount(contractAddress, true);
contractAccount.data.storage = contractStorage;
contractAccount.save();
});
// show result (debug)
const gasPercent = gasUsed.mul(100).div(this.data.gasLimit).toNumber();;
console.log(utils.getDate(), "[BLOCKCHAIN]", 'SUCCECSS TRANSACTION ', this.data.hash, '| gas usage percent =', gasPercent, '%');
}
// total gas utilisé dans le block
block.data.gasUsed = block.data.gasUsed.add(gasUsed);
// assign block data on logs
txLogs.forEach((txLog, idx) => {
txLog.data.transactionIndex = transactionIndex;
txLog.data.logIndex = logIndexOffset + idx;
txLog.data.transactionHash = this.data.hash;
txLog.data.blockHash = block.hash;
txLog.data.blockNumber = block.data.number;
});
const receiptData = {
transactionHash: this.data.hash,
transactionIndex: transactionIndex,
blockNumber: block.data.number,
blockHash: block.hash,
//logsBloom: '0x0000',
contractAddress: createdContractAddress,
gasUsed,
cumulativeGasUsed: block.data.gasUsed,
effectiveGasPrice: this.data.gasPrice,
effectiveCost: this.data.gasPrice.mul(gasUsed),
logs: txLogs,
status,
}
const receipt = new Receipt(blockchain, receiptData);
return [receipt, txLogs];
}",
executeTransactionContract: "(block) => {
let contractAddress = this.data.to;
const isNullRecipient = (! contractAddress || contractAddress.length <= 2);
if (isNullRecipient) {
throw new Error('CONTRACT_EXEC_ADDRESS_INVALID_BUG_1');
}
const contractAccount = blockchain.getAccount(contractAddress);
if (! contractAccount) {
throw new Error('CONTRACT_EXEC_ACCOUNT_NOT_FOUND');
}
// Execute existing contract method call
return blockchain.callContractMethodInVM(this.data, block);
}",
transactionDeployContract: "(block) => {
let contractAddress = this.data.to;
let contractAccount;
if (contractAddress && contractAddress.length > 2) {
throw new Error('CONTRACT_DEPLOY_ADDRESS_INVALID_BUG_2');
}
// CONTRACT CREATION
if (! this.data.data || this.data.data.length <= 2) {
throw new Error('CONTRACT_DEPLOY_INVALID_DATA_EMPTY_CODE');
}
// build contract address
contractAddress = ethers.utils.getContractAddress(this.data).toLocaleLowerCase();
// parse contract source code & constructor parameters
const codes = ethers.utils.defaultAbiCoder.decode(["string", "string"], this.data.data);
if (! codes) {
throw new Error('CONTRACT_DEPLOY_CODE_PARSING_FAILED');
}
const sourceCode = codes[0];
const constructorParams = codes[1];
const constructorRawParams = ethers.utils.defaultAbiCoder.encode(["string"], [constructorParams]);
const codeHash = ethers.utils.id(sourceCode);
const codeAbi = null; // l'abi sera généré une fois que le contrat aura été instancié
const storageHash = ethers.utils.id('{}');
// create new account
const accountData = {
address: contractAddress,
code: sourceCode,
codeHash,
codeAbi,
storage: {},
storageHash,
};
contractAccount = blockchain.createAccount(contractAddress, accountData);
// instanciate contract + call constructor + recuperer storage
const txData = {
from: this.data.from,
to: contractAddress,
data: constructorRawParams,
value: this.data.value.toHexString(),
};
const callResult = blockchain.deployContractInVM(txData, block);
const creationLogs = callResult.logs;
const vmStorage = callResult.storage;
// emit event
const eventParams = [
contractAddress,
];
const _txData = {
...this.data,
to: blockchain.getNullAddress(),
}
const deployLog = new TxLog(blockchain, null, _txData, 'ContractCreated', eventParams, deployAbi);
creationLogs.push(deployLog);
return {
result: contractAddress,
logs: creationLogs,
storage: vmStorage,
};
}",
timestamp: "1651572551733",
status: 1,
gasUsed: "30925"
},
0xfc4ea62204e6014c299da06a9f495eb1188f09b5c0e0832ee9bcb2b279573445: {
data: {
blockHash: "0x00abd0559e99a60cc3895a255124003fd783f2a7f5859b15aad137437ea7c79a",
blockNumber: "8",
transactionIndex: 0,
hash: "0xfc4ea62204e6014c299da06a9f495eb1188f09b5c0e0832ee9bcb2b279573445",
from: "0x0000000000000000000000000000000000000001",
gasLimit: "1000000000000000000",
gasPrice: "0",
data: "0x",
nonce: "7",
to: "0xccf8ba457dcad7ee6a0361c96846a0f79744b113",
value: "250000000000000000000",
chainId: "3615",
origin: "1651572556926",
v: "",
r: "",
s: ""
},
hash: "0xfc4ea62204e6014c299da06a9f495eb1188f09b5c0e0832ee9bcb2b279573445",
load: "() => {
const transactionFile = config.node.dataDir + '/transactions/' + this.hash + '.json';
if (! fs.existsSync(transactionFile)) {
console.warn(utils.getDate(), "[BLOCKCHAIN]", 'IMPORT Transaction not found', this.hash);
throw new Error('IMPORT_TRANSACTION_NOT_FOUND_DATABASE_CORRUPTED');
}
const transactionJson = fs.readFileSync(transactionFile);
transactionData = JSON.parse(transactionJson, utils.bnJsonParser);
this.data = (typeof transactionData == 'TransactionData') ? transactionData : new TransactionData(transactionData);
return true;
}",
save: "() => {
const transactionFile = config.node.dataDir + '/transactions/' + this.hash + '.json';
fs.writeFileSync(transactionFile, JSON.stringify(this.data));
return true;
}",
getReceipt: "() => {
return blockchain.getTransactionReceiptByHash(this.hash);
}",
getBlock: "() => {
return blockchain.getBlockByHash(this.data.blockHash);
}",
getBlockTransationPrev: "() => {
const block = this.getBlock();
const txPrevIdx = (this.data.transactionIndex > 0) ? (this.data.transactionIndex-1) : null;
const tx = (block && txPrevIdx in block.transactions) ? block.transactions[txPrevIdx] : null;
return tx;
}",
getBlockTransationNext: "() => {
const block = this.getBlock();
const txNextIdx = (this.data.transactionIndex < block.transactions.length - 1) ? (this.data.transactionIndex+1) : null;
const tx = (block && txNextIdx in block.transactions) ? block.transactions[txNextIdx] : null;
return tx;
}",
getAccountTransactionIndex: "() => {
const account = blockchain.getAccount(this.data.from);
if (! account) {
return null;
}
const txIdx = account.data.transactions.findIndex(transactionHash => blockchain.getTransactionByHash(transactionHash).hash == this.hash);
if (txIdx === -1) {
return null;
}
return txIdx;
}",
getAccountTransationPrev: "() => {
const account = blockchain.getAccount(this.data.from);
if (! account) {
return null;
}
const txIdx = this.getAccountTransactionIndex();
if (txIdx === null) {
return null;
}
const txPrevIdx = (txIdx > 0) ? (txIdx-1) : null;
const transactionHash = (txPrevIdx in account.data.transactions) ? account.data.transactions[txPrevIdx] : null;
if (! transactionHash) {
return null;
}
return blockchain.getTransactionByHash(transactionHash);
}",
getAccountTransationNext: "() => {
const account = blockchain.getAccount(this.data.from);
if (! account) {
return null;
}
const txIdx = this.getAccountTransactionIndex();
if (txIdx === null) {
return null;
}
const txNextIdx = (txIdx < account.data.transactions.length - 1) ? (txIdx+1) : null;
const transactionHash = (txNextIdx in account.data.transactions) ? account.data.transactions[txNextIdx] : null;
if (! transactionHash) {
return null;
}
return blockchain.getTransactionByHash(transactionHash);
}",
formatRpc: "() => {
// https://github.com/ethers-io/ethers.js/blob/master/packages/abstract-provider/lib/index.d.ts
const to = (this.data.to && this.data.to.length == 42) ? this.data.to : null;
const _txData = {
blockHash: this.data.blockHash,
blockNumber: this.data.blockNumber.toNumber(),
transactionIndex: this.data.transactionIndex,
hash: this.data.hash,
from: this.data.from,
gasLimit: this.data.gasLimit.toHexString(),
gasPrice: this.data.gasPrice.toHexString(),
data: this.data.data,
nonce: this.data.nonce.toHexString(),
to,
value: this.data.value.toHexString(),
chainId: this.data.chainId.toNumber(),
//origin: this.data.origin.toHexString(),
};
return _txData;
}",
getHashOLD: "() => {
const _txData = {
gasPrice: this.data.gasPrice,
gasLimit: this.data.gasLimit,
from: this.data.from,
to: this.data.to,
value: this.data.value,
data: this.data.data,
nonce: this.data.nonce,
};
const strvalue = JSON.stringify(utils.orderedObject(_txData));
const transactionHash = ethers.utils.id(strvalue);
return transactionHash;
}",
getHash: "() => {
const _txData = {
gasPrice: this.data.gasPrice.toHexString(),
gasLimit: this.data.gasLimit.toHexString(),
from: this.data.from,
to: this.data.to,
value: this.data.value.toHexString(),
data: this.data.data,
nonce: this.data.nonce.toHexString(),
v: this.data.v ? ('0x' + this.data.v) : '',
r: this.data.r ? ('0x' + this.data.r) : '',
s: this.data.s ? ('0x' + this.data.s) : '',
};
const tx = new EthereumJS.Transaction(_txData);
const hashRaw = tx.hash();
const transactionHash = ethers.utils.defaultAbiCoder.decode(["uint256"], hashRaw)[0].toHexString();
return transactionHash;
}",
execute: "(block, transactionIndex, logIndexOffset) => {
const _tx = this;
function _rejectTransaction(reason) {
// https://openethereum.github.io/Transactions-Queue
reason = reason || 'unknown';
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] REJECTED PROCESSING TRANSACTION', _tx.data.hash, ' (Reason:', reason + ')');
const success = blockchain.removeTransactionsFromMempool([_tx.hash], true, true);
if (success) {
saveMempool();
}
throw new Error(reason); // on rejete definitivement la tx (elle ne sera pas minée ... et donc aucun frais de gas ne sera compté)
// et du coup on rejete le block
}
function _checkGas(step) {
execDuration = performance.now()/1000 - execTsStart; //parseFloat(process.hrtime(execTsStart).join('.'));
gasUsed = toBn(Math.round(execDuration * cpuPricePerSecond)); // TODO: prendre en compte le storage utilisé dans le calcul du gasUsed
txCost = gasUsed.mul(_tx.data.gasPrice);
if (step == 'afterTransfer') {
//debugger;
}
if (status) {
gasUsedEffective = gasUsed;
txCostEffective = gasUsedEffective.mul(_tx.data.gasPrice);
if (gasUsed.gt(_tx.data.gasLimit)) {
status = 0;
error = new Error('INSUFFICIENT_GAS');
gasUsedEffective = _tx.data.gasLimit;
txCostEffective = txCostLimit;
// emit event
const debugError = {
message: 'INSUFFICIENT_GAS',
step,
gasPrice: _tx.data.gasPrice,
gasLimit: _tx.data.gasLimit,
gasUsed,
gasUsedEffective,
txCostLimit,
txCost,
txCostEffective,
execDuration,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, _tx.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
}
}
//const block = this;
const txLogs = [];
let vmStorage = {};
let gasUsed = toBn(0);
let gasUsedEffective = toBn(0);
let status = 1;
let error = null;
let createdContractAddress = null;
let amountTransfered = toBn(0);
const contractAddress = this.data.to;
let storageBackup;
let balanceBackup;
let contractExecuted = false;
let contractDeployed = false;
const execTsStart = performance.now()/1000; //process.hrtime(); //Date.now();
let execDuration = 0;
const txCostLimit = this.data.gasLimit.mul(this.data.gasPrice);
let txCost = toBn(0);
let txCostEffective = toBn(0);
const accountFrom = blockchain.getAccount(this.data.from);
if (! accountFrom) {
_rejectTransaction('TRANSACTION_REJECTED_EMPTY_ACCOUNT');
}
const accountFromBalance = accountFrom.data.balance;
if (accountFrom.address != mintAddress) {
// verif nonce
const expectedNonce = toBn(accountFrom.data.transactions.length); // le nonce attendu est egal au nombre de transactions passées de l'account
if (! this.data.nonce.eq(expectedNonce)) {
_rejectTransaction('TRANSACTION_REJECTED_INCORRECT_NONCE');
}
// verif balance pour gas + transfer
if (this.data.value && this.data.value.gt(0)) {
if (accountFromBalance.lt(this.data.value.add(txCostLimit))) {
// l'adresse n'a pas suffisamment de fond pour executer la transaction (selon gasLimit)
// TODO: faut-il rejeter la tx ? ou la laisser passer (en status=0) et lui vider sa balance (si 100% du gas est utilisé) ?
//return _rejectTransaction('TRANSACTION_FAILED_INSUFFICIENT_ETH_BALANCE');
_rejectTransaction('TRANSACTION_REJECTED_INSUFFICIENT_ETH_BALANCE');
}
}
}
_checkGas('init');
if (status) {
if (this.data.value && this.data.value.gt(0) && contractAddress && contractAddress.length > 2) {
// Transfer la valeur demandée (simple ETH transaction)
const [transferResult, transferLogs, transferReverted] = blockchain.transferEth(this.data, block);
txLogs.push( ...transferLogs );
// si recipient == contract => on transfer quand meme dès maintenant => TODO: a revoir (le transferEth declenche un appel à receive ... avant meme de savoir si unne methode payable doit etre appelée. Probleme si receive provoque un revert => la fonction payable ne sera pas appelée)
// 1) si methode payable appellée, on l'execute
// 2) si methode non payable => on appelle receive juste avant
// 3) si methode inconnue => revert
if (transferResult && transferReverted) {
// reverted (after transfer)
amountTransfered = this.data.value;
status = 0;
error = new Error('TRANSFER_REVERTED');
} else if (transferResult) {
// success
amountTransfered = this.data.value;
} else {
// transfer failed
status = 0;
error = new Error('TRANSFER_FAILED');
}
}
_checkGas('afterTransfer');
}
const gasUsedBeforeContractExecution = gasUsed;
if (status && this.data.data && this.data.data != '0x') {
// Traitement du champ data de la transaction (smart contract call)
if (!contractAddress || contractAddress == '0x') {
// contract creation
contractDeployed = true;
let contractExecResult;
try {
contractExecResult = this.transactionDeployContract(block);
const creationLogs = contractExecResult.logs;
vmStorage = contractExecResult.storage;
if (creationLogs.length) {
txLogs.push( ...creationLogs );
}
if (! contractExecResult.result) {
// Deploy Failed
status = 0;
error = new Error('CONTRACT_CREATION_FAILED');
// emit event
const debugError = {
message: 'CONTRACT_CREATION_FAILED',
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
} else {
// Deploy Success
createdContractAddress = contractExecResult.result.toLowerCase();
if (this.data.value.gt(0)) {
// Transfer tx value to contract
const _txData = {
...this.data,
to: createdContractAddress,
};
const [transferResult, transferLogs, transferReverted] = blockchain.transferEth(_txData, block);
txLogs.push( ...transferLogs );
if (transferResult) {
amountTransfered = this.data.value;
} else {
status = 0;
error = new Error('CONTRACT_CREATION_TRANSFER_FAILED');
}
}
// TODO: emit event CONTRACT_CREATION_SUCCESS ?
}
} catch (e) {
//console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] Cannot execute transaction');
//throw e;
status = 0;
error = new Error('CONTRACT_CREATION_ERROR');
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] CONTRACT_CREATION_ERROR with message', e.message)
// emit event
const debugError = {
message: 'CONTRACT_CREATION_ERROR',
error: e.message,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
_checkGas('afterContractCreation');
} else {
// contract execution
const contractAccount = blockchain.getAccount(contractAddress);
if (! contractAccount) {
status = 0;
error = new Error('CONTRACT_ACCOUNT_NOT_FOUND');
// emit event
const debugError = {
message: 'CONTRACT_ACCOUNT_NOT_FOUND',
address: contractAddress,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
if (status) {
storageBackup = JSON.stringify(contractAccount.data.storage);
balanceBackup = contractAccount.data.balance;
contractExecuted = true;
try {
const contractExecResult = this.executeTransactionContract(block);
const internalLogs = contractExecResult.logs;
vmStorage = contractExecResult.storage;
if (internalLogs.length) {
txLogs.push( ...internalLogs );
}
if (! contractExecResult.result) {
status = 0;
error = new Error('CONTRACT_EXEC_FAILED');
// emit event
const debugError = {
message: 'CONTRACT_EXEC_FAILED',
address: contractAddress,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
} catch (e) {
status = 0;
error = new Error('CONTRACT_EXEC_ERROR');
// emit event
const debugError = {
message: 'CONTRACT_EXEC_ERROR',
address: contractAddress,
error: e.message,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
}
_checkGas('afterContractCall');
}
}
const gasUsedAfterContractExecution = gasUsed;
const gasUsedInContractExecution = gasUsedAfterContractExecution.sub(gasUsedBeforeContractExecution);
const contractExecutionCost = gasUsedInContractExecution.mul(_tx.data.gasPrice);
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] execDuration =', (Math.round(execDuration * 1000000) / 1000000), ' seconds');
if (txCostEffective.gt(0)) {
// Gas payment
//const minerAccount = blockchain.getAccount(block.data.miner, true);
//const gasPaymentResult = minerAccount.transferFrom(accountFrom.address, txCostEffective);
const txDataGasPayment = {
from: accountFrom.address,
to: block.data.miner,
value: txCostEffective,
};
const [gasPaymentResult, gasPaymentLogs, transferReverted] = blockchain.transferEth(txDataGasPayment, block, true);
txLogs.push(...gasPaymentLogs);
if (gasPaymentResult) {
// gas payment success
} else {
// gas payment failed => reject transaction (and block)
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] Gas payment failed');
_rejectTransaction('GAS_PAYMENT_FAILED');
}
if (false) {
// DEBUG
const gasPercent = gasUsed.mul(100).div(this.data.gasLimit).toNumber();
const gasEffectivePercent = gasUsedEffective.mul(100).div(this.data.gasLimit).toNumber();
const costPercent = txCost.mul(100).div(txCostLimit).toNumber();
const costEffectivePercent = txCostEffective.mul(100).div(txCostLimit).toNumber();
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] txCostLimit =', ethers.utils.formatEther(txCostLimit));
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] txCostEffective =', ethers.utils.formatEther(txCostEffective));
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] gas % =', Math.round(gasPercent), '% =', Math.round(gasEffectivePercent), '%');
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] cost % =', Math.round(costPercent), '%', Math.round(costEffectivePercent), '%');
}
}
if (accountFrom.address != mintAddress) {
const accountFromBalanceAtEnd = blockchain.getAccountBalance(accountFrom.address);
if (accountFromBalanceAtEnd.lt(0)){
_rejectTransaction('TRANSACTION_FAILED_INSUFFICIENT_ETH_BALANCE_AT_END');
}
}
if (! status) {
// Transaction Failed
// Revert transfer
if (amountTransfered.gt(0)) {
const txDataRevert = {
...this.data,
from: this.data.to,
to: this.data.from,
value: amountTransfered,
};
const [transferResult, transferLogs, transferReverted] = blockchain.transferEth(txDataRevert, block);
// TODO: gerer le revert des internal transfers
}
txLogs.forEach(log => {
log.removed = true;
});
// Revert contract storage
if (contractExecuted) {
const contractAccount = blockchain.getAccount(contractAddress);
contractAccount.data.storage = JSON.parse(storageBackup, utils.bnJsonParser);
contractAccount.data.balance = balanceBackup;
} else if (amountTransfered) {
// on check aussi amountTransfered car le contrat peut avoir été exécuté via receive => TODO: process a revoir
const contractAccount = blockchain.getAccount(contractAddress);
if (contractAccount && contractAccount.isContract()) {
//contractAccount.data.storage = JSON.parse(storageBackup, utils.bnJsonParser);
//contractAccount.data.balance = balanceBackup;
// TODO
}
}
// Revert deployed contract
if (contractDeployed) {
// nothing to do ?
}
const gasPercent = gasUsed.mul(100).div(this.data.gasLimit).toNumber();
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] FAILED TRANSACTION ', this.data.hash, '| gas usage percent =', gasPercent, '%', ' | Error: ', error.message);
const realExecDuration = performance.now()/1000 - execTsStart; //parseFloat(process.hrtime(execTsStart).join('.'));
const realGasUsed = toBn(Math.round(realExecDuration * cpuPricePerSecond)); // TODO: prendre en compte le storage utilisé dans le calcul du gasUsed
const realGasPercent = realGasUsed.mul(100).div(this.data.gasLimit).toNumber();
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] FAILED TRANSACTION ', this.data.hash, '| real gas usage percent =', realGasPercent, '%', ' | Error: ', error.message);
} else {
// Transaction Success
// save contract storage
Object.entries(vmStorage).forEach((entry, idx) => {
const [contractAddress, contractStorage] = entry;
const contractAccount = blockchain.getAccount(contractAddress, true);
contractAccount.data.storage = contractStorage;
contractAccount.save();
});
// show result (debug)
const gasPercent = gasUsed.mul(100).div(this.data.gasLimit).toNumber();;
console.log(utils.getDate(), "[BLOCKCHAIN]", 'SUCCECSS TRANSACTION ', this.data.hash, '| gas usage percent =', gasPercent, '%');
}
// total gas utilisé dans le block
block.data.gasUsed = block.data.gasUsed.add(gasUsed);
// assign block data on logs
txLogs.forEach((txLog, idx) => {
txLog.data.transactionIndex = transactionIndex;
txLog.data.logIndex = logIndexOffset + idx;
txLog.data.transactionHash = this.data.hash;
txLog.data.blockHash = block.hash;
txLog.data.blockNumber = block.data.number;
});
const receiptData = {
transactionHash: this.data.hash,
transactionIndex: transactionIndex,
blockNumber: block.data.number,
blockHash: block.hash,
//logsBloom: '0x0000',
contractAddress: createdContractAddress,
gasUsed,
cumulativeGasUsed: block.data.gasUsed,
effectiveGasPrice: this.data.gasPrice,
effectiveCost: this.data.gasPrice.mul(gasUsed),
logs: txLogs,
status,
}
const receipt = new Receipt(blockchain, receiptData);
return [receipt, txLogs];
}",
executeTransactionContract: "(block) => {
let contractAddress = this.data.to;
const isNullRecipient = (! contractAddress || contractAddress.length <= 2);
if (isNullRecipient) {
throw new Error('CONTRACT_EXEC_ADDRESS_INVALID_BUG_1');
}
const contractAccount = blockchain.getAccount(contractAddress);
if (! contractAccount) {
throw new Error('CONTRACT_EXEC_ACCOUNT_NOT_FOUND');
}
// Execute existing contract method call
return blockchain.callContractMethodInVM(this.data, block);
}",
transactionDeployContract: "(block) => {
let contractAddress = this.data.to;
let contractAccount;
if (contractAddress && contractAddress.length > 2) {
throw new Error('CONTRACT_DEPLOY_ADDRESS_INVALID_BUG_2');
}
// CONTRACT CREATION
if (! this.data.data || this.data.data.length <= 2) {
throw new Error('CONTRACT_DEPLOY_INVALID_DATA_EMPTY_CODE');
}
// build contract address
contractAddress = ethers.utils.getContractAddress(this.data).toLocaleLowerCase();
// parse contract source code & constructor parameters
const codes = ethers.utils.defaultAbiCoder.decode(["string", "string"], this.data.data);
if (! codes) {
throw new Error('CONTRACT_DEPLOY_CODE_PARSING_FAILED');
}
const sourceCode = codes[0];
const constructorParams = codes[1];
const constructorRawParams = ethers.utils.defaultAbiCoder.encode(["string"], [constructorParams]);
const codeHash = ethers.utils.id(sourceCode);
const codeAbi = null; // l'abi sera généré une fois que le contrat aura été instancié
const storageHash = ethers.utils.id('{}');
// create new account
const accountData = {
address: contractAddress,
code: sourceCode,
codeHash,
codeAbi,
storage: {},
storageHash,
};
contractAccount = blockchain.createAccount(contractAddress, accountData);
// instanciate contract + call constructor + recuperer storage
const txData = {
from: this.data.from,
to: contractAddress,
data: constructorRawParams,
value: this.data.value.toHexString(),
};
const callResult = blockchain.deployContractInVM(txData, block);
const creationLogs = callResult.logs;
const vmStorage = callResult.storage;
// emit event
const eventParams = [
contractAddress,
];
const _txData = {
...this.data,
to: blockchain.getNullAddress(),
}
const deployLog = new TxLog(blockchain, null, _txData, 'ContractCreated', eventParams, deployAbi);
creationLogs.push(deployLog);
return {
result: contractAddress,
logs: creationLogs,
storage: vmStorage,
};
}",
timestamp: "1651572557849",
status: 1,
gasUsed: "5720"
},
0xfe576f241ed53b32a1748eb53e93838c2e60c2ffc866a993482590a854d9152e: {
data: {
blockHash: "0x00abd0559e99a60cc3895a255124003fd783f2a7f5859b15aad137437ea7c79a",
blockNumber: "8",
transactionIndex: 1,
hash: "0xfe576f241ed53b32a1748eb53e93838c2e60c2ffc866a993482590a854d9152e",
from: "0x131a190fa22cb867abf58193bf9e7640e9fce682",
gasLimit: "1750900",
gasPrice: "1000000000",
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nonce: "7",
to: "0x",
value: "0",
chainId: "3615",
origin: "1651572555562",
v: "1c62",
r: "4799de081734b7104ce37c499c427ead6a2e9133cc370ed5e2600e31f665acd1",
s: "188d92578b709d60685699c65685d49a2758c0ca042bdb5b8ab5bdcc05cc594e"
},
hash: "0xfe576f241ed53b32a1748eb53e93838c2e60c2ffc866a993482590a854d9152e",
load: "() => {
const transactionFile = config.node.dataDir + '/transactions/' + this.hash + '.json';
if (! fs.existsSync(transactionFile)) {
console.warn(utils.getDate(), "[BLOCKCHAIN]", 'IMPORT Transaction not found', this.hash);
throw new Error('IMPORT_TRANSACTION_NOT_FOUND_DATABASE_CORRUPTED');
}
const transactionJson = fs.readFileSync(transactionFile);
transactionData = JSON.parse(transactionJson, utils.bnJsonParser);
this.data = (typeof transactionData == 'TransactionData') ? transactionData : new TransactionData(transactionData);
return true;
}",
save: "() => {
const transactionFile = config.node.dataDir + '/transactions/' + this.hash + '.json';
fs.writeFileSync(transactionFile, JSON.stringify(this.data));
return true;
}",
getReceipt: "() => {
return blockchain.getTransactionReceiptByHash(this.hash);
}",
getBlock: "() => {
return blockchain.getBlockByHash(this.data.blockHash);
}",
getBlockTransationPrev: "() => {
const block = this.getBlock();
const txPrevIdx = (this.data.transactionIndex > 0) ? (this.data.transactionIndex-1) : null;
const tx = (block && txPrevIdx in block.transactions) ? block.transactions[txPrevIdx] : null;
return tx;
}",
getBlockTransationNext: "() => {
const block = this.getBlock();
const txNextIdx = (this.data.transactionIndex < block.transactions.length - 1) ? (this.data.transactionIndex+1) : null;
const tx = (block && txNextIdx in block.transactions) ? block.transactions[txNextIdx] : null;
return tx;
}",
getAccountTransactionIndex: "() => {
const account = blockchain.getAccount(this.data.from);
if (! account) {
return null;
}
const txIdx = account.data.transactions.findIndex(transactionHash => blockchain.getTransactionByHash(transactionHash).hash == this.hash);
if (txIdx === -1) {
return null;
}
return txIdx;
}",
getAccountTransationPrev: "() => {
const account = blockchain.getAccount(this.data.from);
if (! account) {
return null;
}
const txIdx = this.getAccountTransactionIndex();
if (txIdx === null) {
return null;
}
const txPrevIdx = (txIdx > 0) ? (txIdx-1) : null;
const transactionHash = (txPrevIdx in account.data.transactions) ? account.data.transactions[txPrevIdx] : null;
if (! transactionHash) {
return null;
}
return blockchain.getTransactionByHash(transactionHash);
}",
getAccountTransationNext: "() => {
const account = blockchain.getAccount(this.data.from);
if (! account) {
return null;
}
const txIdx = this.getAccountTransactionIndex();
if (txIdx === null) {
return null;
}
const txNextIdx = (txIdx < account.data.transactions.length - 1) ? (txIdx+1) : null;
const transactionHash = (txNextIdx in account.data.transactions) ? account.data.transactions[txNextIdx] : null;
if (! transactionHash) {
return null;
}
return blockchain.getTransactionByHash(transactionHash);
}",
formatRpc: "() => {
// https://github.com/ethers-io/ethers.js/blob/master/packages/abstract-provider/lib/index.d.ts
const to = (this.data.to && this.data.to.length == 42) ? this.data.to : null;
const _txData = {
blockHash: this.data.blockHash,
blockNumber: this.data.blockNumber.toNumber(),
transactionIndex: this.data.transactionIndex,
hash: this.data.hash,
from: this.data.from,
gasLimit: this.data.gasLimit.toHexString(),
gasPrice: this.data.gasPrice.toHexString(),
data: this.data.data,
nonce: this.data.nonce.toHexString(),
to,
value: this.data.value.toHexString(),
chainId: this.data.chainId.toNumber(),
//origin: this.data.origin.toHexString(),
};
return _txData;
}",
getHashOLD: "() => {
const _txData = {
gasPrice: this.data.gasPrice,
gasLimit: this.data.gasLimit,
from: this.data.from,
to: this.data.to,
value: this.data.value,
data: this.data.data,
nonce: this.data.nonce,
};
const strvalue = JSON.stringify(utils.orderedObject(_txData));
const transactionHash = ethers.utils.id(strvalue);
return transactionHash;
}",
getHash: "() => {
const _txData = {
gasPrice: this.data.gasPrice.toHexString(),
gasLimit: this.data.gasLimit.toHexString(),
from: this.data.from,
to: this.data.to,
value: this.data.value.toHexString(),
data: this.data.data,
nonce: this.data.nonce.toHexString(),
v: this.data.v ? ('0x' + this.data.v) : '',
r: this.data.r ? ('0x' + this.data.r) : '',
s: this.data.s ? ('0x' + this.data.s) : '',
};
const tx = new EthereumJS.Transaction(_txData);
const hashRaw = tx.hash();
const transactionHash = ethers.utils.defaultAbiCoder.decode(["uint256"], hashRaw)[0].toHexString();
return transactionHash;
}",
execute: "(block, transactionIndex, logIndexOffset) => {
const _tx = this;
function _rejectTransaction(reason) {
// https://openethereum.github.io/Transactions-Queue
reason = reason || 'unknown';
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] REJECTED PROCESSING TRANSACTION', _tx.data.hash, ' (Reason:', reason + ')');
const success = blockchain.removeTransactionsFromMempool([_tx.hash], true, true);
if (success) {
saveMempool();
}
throw new Error(reason); // on rejete definitivement la tx (elle ne sera pas minée ... et donc aucun frais de gas ne sera compté)
// et du coup on rejete le block
}
function _checkGas(step) {
execDuration = performance.now()/1000 - execTsStart; //parseFloat(process.hrtime(execTsStart).join('.'));
gasUsed = toBn(Math.round(execDuration * cpuPricePerSecond)); // TODO: prendre en compte le storage utilisé dans le calcul du gasUsed
txCost = gasUsed.mul(_tx.data.gasPrice);
if (step == 'afterTransfer') {
//debugger;
}
if (status) {
gasUsedEffective = gasUsed;
txCostEffective = gasUsedEffective.mul(_tx.data.gasPrice);
if (gasUsed.gt(_tx.data.gasLimit)) {
status = 0;
error = new Error('INSUFFICIENT_GAS');
gasUsedEffective = _tx.data.gasLimit;
txCostEffective = txCostLimit;
// emit event
const debugError = {
message: 'INSUFFICIENT_GAS',
step,
gasPrice: _tx.data.gasPrice,
gasLimit: _tx.data.gasLimit,
gasUsed,
gasUsedEffective,
txCostLimit,
txCost,
txCostEffective,
execDuration,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, _tx.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
}
}
//const block = this;
const txLogs = [];
let vmStorage = {};
let gasUsed = toBn(0);
let gasUsedEffective = toBn(0);
let status = 1;
let error = null;
let createdContractAddress = null;
let amountTransfered = toBn(0);
const contractAddress = this.data.to;
let storageBackup;
let balanceBackup;
let contractExecuted = false;
let contractDeployed = false;
const execTsStart = performance.now()/1000; //process.hrtime(); //Date.now();
let execDuration = 0;
const txCostLimit = this.data.gasLimit.mul(this.data.gasPrice);
let txCost = toBn(0);
let txCostEffective = toBn(0);
const accountFrom = blockchain.getAccount(this.data.from);
if (! accountFrom) {
_rejectTransaction('TRANSACTION_REJECTED_EMPTY_ACCOUNT');
}
const accountFromBalance = accountFrom.data.balance;
if (accountFrom.address != mintAddress) {
// verif nonce
const expectedNonce = toBn(accountFrom.data.transactions.length); // le nonce attendu est egal au nombre de transactions passées de l'account
if (! this.data.nonce.eq(expectedNonce)) {
_rejectTransaction('TRANSACTION_REJECTED_INCORRECT_NONCE');
}
// verif balance pour gas + transfer
if (this.data.value && this.data.value.gt(0)) {
if (accountFromBalance.lt(this.data.value.add(txCostLimit))) {
// l'adresse n'a pas suffisamment de fond pour executer la transaction (selon gasLimit)
// TODO: faut-il rejeter la tx ? ou la laisser passer (en status=0) et lui vider sa balance (si 100% du gas est utilisé) ?
//return _rejectTransaction('TRANSACTION_FAILED_INSUFFICIENT_ETH_BALANCE');
_rejectTransaction('TRANSACTION_REJECTED_INSUFFICIENT_ETH_BALANCE');
}
}
}
_checkGas('init');
if (status) {
if (this.data.value && this.data.value.gt(0) && contractAddress && contractAddress.length > 2) {
// Transfer la valeur demandée (simple ETH transaction)
const [transferResult, transferLogs, transferReverted] = blockchain.transferEth(this.data, block);
txLogs.push( ...transferLogs );
// si recipient == contract => on transfer quand meme dès maintenant => TODO: a revoir (le transferEth declenche un appel à receive ... avant meme de savoir si unne methode payable doit etre appelée. Probleme si receive provoque un revert => la fonction payable ne sera pas appelée)
// 1) si methode payable appellée, on l'execute
// 2) si methode non payable => on appelle receive juste avant
// 3) si methode inconnue => revert
if (transferResult && transferReverted) {
// reverted (after transfer)
amountTransfered = this.data.value;
status = 0;
error = new Error('TRANSFER_REVERTED');
} else if (transferResult) {
// success
amountTransfered = this.data.value;
} else {
// transfer failed
status = 0;
error = new Error('TRANSFER_FAILED');
}
}
_checkGas('afterTransfer');
}
const gasUsedBeforeContractExecution = gasUsed;
if (status && this.data.data && this.data.data != '0x') {
// Traitement du champ data de la transaction (smart contract call)
if (!contractAddress || contractAddress == '0x') {
// contract creation
contractDeployed = true;
let contractExecResult;
try {
contractExecResult = this.transactionDeployContract(block);
const creationLogs = contractExecResult.logs;
vmStorage = contractExecResult.storage;
if (creationLogs.length) {
txLogs.push( ...creationLogs );
}
if (! contractExecResult.result) {
// Deploy Failed
status = 0;
error = new Error('CONTRACT_CREATION_FAILED');
// emit event
const debugError = {
message: 'CONTRACT_CREATION_FAILED',
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
} else {
// Deploy Success
createdContractAddress = contractExecResult.result.toLowerCase();
if (this.data.value.gt(0)) {
// Transfer tx value to contract
const _txData = {
...this.data,
to: createdContractAddress,
};
const [transferResult, transferLogs, transferReverted] = blockchain.transferEth(_txData, block);
txLogs.push( ...transferLogs );
if (transferResult) {
amountTransfered = this.data.value;
} else {
status = 0;
error = new Error('CONTRACT_CREATION_TRANSFER_FAILED');
}
}
// TODO: emit event CONTRACT_CREATION_SUCCESS ?
}
} catch (e) {
//console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] Cannot execute transaction');
//throw e;
status = 0;
error = new Error('CONTRACT_CREATION_ERROR');
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] CONTRACT_CREATION_ERROR with message', e.message)
// emit event
const debugError = {
message: 'CONTRACT_CREATION_ERROR',
error: e.message,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
_checkGas('afterContractCreation');
} else {
// contract execution
const contractAccount = blockchain.getAccount(contractAddress);
if (! contractAccount) {
status = 0;
error = new Error('CONTRACT_ACCOUNT_NOT_FOUND');
// emit event
const debugError = {
message: 'CONTRACT_ACCOUNT_NOT_FOUND',
address: contractAddress,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
if (status) {
storageBackup = JSON.stringify(contractAccount.data.storage);
balanceBackup = contractAccount.data.balance;
contractExecuted = true;
try {
const contractExecResult = this.executeTransactionContract(block);
const internalLogs = contractExecResult.logs;
vmStorage = contractExecResult.storage;
if (internalLogs.length) {
txLogs.push( ...internalLogs );
}
if (! contractExecResult.result) {
status = 0;
error = new Error('CONTRACT_EXEC_FAILED');
// emit event
const debugError = {
message: 'CONTRACT_EXEC_FAILED',
address: contractAddress,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
} catch (e) {
status = 0;
error = new Error('CONTRACT_EXEC_ERROR');
// emit event
const debugError = {
message: 'CONTRACT_EXEC_ERROR',
address: contractAddress,
error: e.message,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
}
_checkGas('afterContractCall');
}
}
const gasUsedAfterContractExecution = gasUsed;
const gasUsedInContractExecution = gasUsedAfterContractExecution.sub(gasUsedBeforeContractExecution);
const contractExecutionCost = gasUsedInContractExecution.mul(_tx.data.gasPrice);
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] execDuration =', (Math.round(execDuration * 1000000) / 1000000), ' seconds');
if (txCostEffective.gt(0)) {
// Gas payment
//const minerAccount = blockchain.getAccount(block.data.miner, true);
//const gasPaymentResult = minerAccount.transferFrom(accountFrom.address, txCostEffective);
const txDataGasPayment = {
from: accountFrom.address,
to: block.data.miner,
value: txCostEffective,
};
const [gasPaymentResult, gasPaymentLogs, transferReverted] = blockchain.transferEth(txDataGasPayment, block, true);
txLogs.push(...gasPaymentLogs);
if (gasPaymentResult) {
// gas payment success
} else {
// gas payment failed => reject transaction (and block)
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] Gas payment failed');
_rejectTransaction('GAS_PAYMENT_FAILED');
}
if (false) {
// DEBUG
const gasPercent = gasUsed.mul(100).div(this.data.gasLimit).toNumber();
const gasEffectivePercent = gasUsedEffective.mul(100).div(this.data.gasLimit).toNumber();
const costPercent = txCost.mul(100).div(txCostLimit).toNumber();
const costEffectivePercent = txCostEffective.mul(100).div(txCostLimit).toNumber();
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] txCostLimit =', ethers.utils.formatEther(txCostLimit));
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] txCostEffective =', ethers.utils.formatEther(txCostEffective));
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] gas % =', Math.round(gasPercent), '% =', Math.round(gasEffectivePercent), '%');
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] cost % =', Math.round(costPercent), '%', Math.round(costEffectivePercent), '%');
}
}
if (accountFrom.address != mintAddress) {
const accountFromBalanceAtEnd = blockchain.getAccountBalance(accountFrom.address);
if (accountFromBalanceAtEnd.lt(0)){
_rejectTransaction('TRANSACTION_FAILED_INSUFFICIENT_ETH_BALANCE_AT_END');
}
}
if (! status) {
// Transaction Failed
// Revert transfer
if (amountTransfered.gt(0)) {
const txDataRevert = {
...this.data,
from: this.data.to,
to: this.data.from,
value: amountTransfered,
};
const [transferResult, transferLogs, transferReverted] = blockchain.transferEth(txDataRevert, block);
// TODO: gerer le revert des internal transfers
}
txLogs.forEach(log => {
log.removed = true;
});
// Revert contract storage
if (contractExecuted) {
const contractAccount = blockchain.getAccount(contractAddress);
contractAccount.data.storage = JSON.parse(storageBackup, utils.bnJsonParser);
contractAccount.data.balance = balanceBackup;
} else if (amountTransfered) {
// on check aussi amountTransfered car le contrat peut avoir été exécuté via receive => TODO: process a revoir
const contractAccount = blockchain.getAccount(contractAddress);
if (contractAccount && contractAccount.isContract()) {
//contractAccount.data.storage = JSON.parse(storageBackup, utils.bnJsonParser);
//contractAccount.data.balance = balanceBackup;
// TODO
}
}
// Revert deployed contract
if (contractDeployed) {
// nothing to do ?
}
const gasPercent = gasUsed.mul(100).div(this.data.gasLimit).toNumber();
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] FAILED TRANSACTION ', this.data.hash, '| gas usage percent =', gasPercent, '%', ' | Error: ', error.message);
const realExecDuration = performance.now()/1000 - execTsStart; //parseFloat(process.hrtime(execTsStart).join('.'));
const realGasUsed = toBn(Math.round(realExecDuration * cpuPricePerSecond)); // TODO: prendre en compte le storage utilisé dans le calcul du gasUsed
const realGasPercent = realGasUsed.mul(100).div(this.data.gasLimit).toNumber();
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] FAILED TRANSACTION ', this.data.hash, '| real gas usage percent =', realGasPercent, '%', ' | Error: ', error.message);
} else {
// Transaction Success
// save contract storage
Object.entries(vmStorage).forEach((entry, idx) => {
const [contractAddress, contractStorage] = entry;
const contractAccount = blockchain.getAccount(contractAddress, true);
contractAccount.data.storage = contractStorage;
contractAccount.save();
});
// show result (debug)
const gasPercent = gasUsed.mul(100).div(this.data.gasLimit).toNumber();;
console.log(utils.getDate(), "[BLOCKCHAIN]", 'SUCCECSS TRANSACTION ', this.data.hash, '| gas usage percent =', gasPercent, '%');
}
// total gas utilisé dans le block
block.data.gasUsed = block.data.gasUsed.add(gasUsed);
// assign block data on logs
txLogs.forEach((txLog, idx) => {
txLog.data.transactionIndex = transactionIndex;
txLog.data.logIndex = logIndexOffset + idx;
txLog.data.transactionHash = this.data.hash;
txLog.data.blockHash = block.hash;
txLog.data.blockNumber = block.data.number;
});
const receiptData = {
transactionHash: this.data.hash,
transactionIndex: transactionIndex,
blockNumber: block.data.number,
blockHash: block.hash,
//logsBloom: '0x0000',
contractAddress: createdContractAddress,
gasUsed,
cumulativeGasUsed: block.data.gasUsed,
effectiveGasPrice: this.data.gasPrice,
effectiveCost: this.data.gasPrice.mul(gasUsed),
logs: txLogs,
status,
}
const receipt = new Receipt(blockchain, receiptData);
return [receipt, txLogs];
}",
executeTransactionContract: "(block) => {
let contractAddress = this.data.to;
const isNullRecipient = (! contractAddress || contractAddress.length <= 2);
if (isNullRecipient) {
throw new Error('CONTRACT_EXEC_ADDRESS_INVALID_BUG_1');
}
const contractAccount = blockchain.getAccount(contractAddress);
if (! contractAccount) {
throw new Error('CONTRACT_EXEC_ACCOUNT_NOT_FOUND');
}
// Execute existing contract method call
return blockchain.callContractMethodInVM(this.data, block);
}",
transactionDeployContract: "(block) => {
let contractAddress = this.data.to;
let contractAccount;
if (contractAddress && contractAddress.length > 2) {
throw new Error('CONTRACT_DEPLOY_ADDRESS_INVALID_BUG_2');
}
// CONTRACT CREATION
if (! this.data.data || this.data.data.length <= 2) {
throw new Error('CONTRACT_DEPLOY_INVALID_DATA_EMPTY_CODE');
}
// build contract address
contractAddress = ethers.utils.getContractAddress(this.data).toLocaleLowerCase();
// parse contract source code & constructor parameters
const codes = ethers.utils.defaultAbiCoder.decode(["string", "string"], this.data.data);
if (! codes) {
throw new Error('CONTRACT_DEPLOY_CODE_PARSING_FAILED');
}
const sourceCode = codes[0];
const constructorParams = codes[1];
const constructorRawParams = ethers.utils.defaultAbiCoder.encode(["string"], [constructorParams]);
const codeHash = ethers.utils.id(sourceCode);
const codeAbi = null; // l'abi sera généré une fois que le contrat aura été instancié
const storageHash = ethers.utils.id('{}');
// create new account
const accountData = {
address: contractAddress,
code: sourceCode,
codeHash,
codeAbi,
storage: {},
storageHash,
};
contractAccount = blockchain.createAccount(contractAddress, accountData);
// instanciate contract + call constructor + recuperer storage
const txData = {
from: this.data.from,
to: contractAddress,
data: constructorRawParams,
value: this.data.value.toHexString(),
};
const callResult = blockchain.deployContractInVM(txData, block);
const creationLogs = callResult.logs;
const vmStorage = callResult.storage;
// emit event
const eventParams = [
contractAddress,
];
const _txData = {
...this.data,
to: blockchain.getNullAddress(),
}
const deployLog = new TxLog(blockchain, null, _txData, 'ContractCreated', eventParams, deployAbi);
creationLogs.push(deployLog);
return {
result: contractAddress,
logs: creationLogs,
storage: vmStorage,
};
}",
timestamp: "1651572557849",
status: 1,
gasUsed: "130808"
},
0xd27067832f83e7888f4fa5193f443f880650af6aa95d1f67ba0f48d22619d302: {
data: {
blockHash: "0x007d12ef737a792e65de5c88ad295881851a53ffb193f3157f157bb13747118d",
blockNumber: "9",
transactionIndex: 0,
hash: "0xd27067832f83e7888f4fa5193f443f880650af6aa95d1f67ba0f48d22619d302",
from: "0x0000000000000000000000000000000000000001",
gasLimit: "1000000000000000000",
gasPrice: "0",
data: "0x",
nonce: "8",
to: "0xccf8ba457dcad7ee6a0361c96846a0f79744b113",
value: "250000000000000000000",
chainId: "3615",
origin: "1651572563042",
v: "",
r: "",
s: ""
},
hash: "0xd27067832f83e7888f4fa5193f443f880650af6aa95d1f67ba0f48d22619d302",
load: "() => {
const transactionFile = config.node.dataDir + '/transactions/' + this.hash + '.json';
if (! fs.existsSync(transactionFile)) {
console.warn(utils.getDate(), "[BLOCKCHAIN]", 'IMPORT Transaction not found', this.hash);
throw new Error('IMPORT_TRANSACTION_NOT_FOUND_DATABASE_CORRUPTED');
}
const transactionJson = fs.readFileSync(transactionFile);
transactionData = JSON.parse(transactionJson, utils.bnJsonParser);
this.data = (typeof transactionData == 'TransactionData') ? transactionData : new TransactionData(transactionData);
return true;
}",
save: "() => {
const transactionFile = config.node.dataDir + '/transactions/' + this.hash + '.json';
fs.writeFileSync(transactionFile, JSON.stringify(this.data));
return true;
}",
getReceipt: "() => {
return blockchain.getTransactionReceiptByHash(this.hash);
}",
getBlock: "() => {
return blockchain.getBlockByHash(this.data.blockHash);
}",
getBlockTransationPrev: "() => {
const block = this.getBlock();
const txPrevIdx = (this.data.transactionIndex > 0) ? (this.data.transactionIndex-1) : null;
const tx = (block && txPrevIdx in block.transactions) ? block.transactions[txPrevIdx] : null;
return tx;
}",
getBlockTransationNext: "() => {
const block = this.getBlock();
const txNextIdx = (this.data.transactionIndex < block.transactions.length - 1) ? (this.data.transactionIndex+1) : null;
const tx = (block && txNextIdx in block.transactions) ? block.transactions[txNextIdx] : null;
return tx;
}",
getAccountTransactionIndex: "() => {
const account = blockchain.getAccount(this.data.from);
if (! account) {
return null;
}
const txIdx = account.data.transactions.findIndex(transactionHash => blockchain.getTransactionByHash(transactionHash).hash == this.hash);
if (txIdx === -1) {
return null;
}
return txIdx;
}",
getAccountTransationPrev: "() => {
const account = blockchain.getAccount(this.data.from);
if (! account) {
return null;
}
const txIdx = this.getAccountTransactionIndex();
if (txIdx === null) {
return null;
}
const txPrevIdx = (txIdx > 0) ? (txIdx-1) : null;
const transactionHash = (txPrevIdx in account.data.transactions) ? account.data.transactions[txPrevIdx] : null;
if (! transactionHash) {
return null;
}
return blockchain.getTransactionByHash(transactionHash);
}",
getAccountTransationNext: "() => {
const account = blockchain.getAccount(this.data.from);
if (! account) {
return null;
}
const txIdx = this.getAccountTransactionIndex();
if (txIdx === null) {
return null;
}
const txNextIdx = (txIdx < account.data.transactions.length - 1) ? (txIdx+1) : null;
const transactionHash = (txNextIdx in account.data.transactions) ? account.data.transactions[txNextIdx] : null;
if (! transactionHash) {
return null;
}
return blockchain.getTransactionByHash(transactionHash);
}",
formatRpc: "() => {
// https://github.com/ethers-io/ethers.js/blob/master/packages/abstract-provider/lib/index.d.ts
const to = (this.data.to && this.data.to.length == 42) ? this.data.to : null;
const _txData = {
blockHash: this.data.blockHash,
blockNumber: this.data.blockNumber.toNumber(),
transactionIndex: this.data.transactionIndex,
hash: this.data.hash,
from: this.data.from,
gasLimit: this.data.gasLimit.toHexString(),
gasPrice: this.data.gasPrice.toHexString(),
data: this.data.data,
nonce: this.data.nonce.toHexString(),
to,
value: this.data.value.toHexString(),
chainId: this.data.chainId.toNumber(),
//origin: this.data.origin.toHexString(),
};
return _txData;
}",
getHashOLD: "() => {
const _txData = {
gasPrice: this.data.gasPrice,
gasLimit: this.data.gasLimit,
from: this.data.from,
to: this.data.to,
value: this.data.value,
data: this.data.data,
nonce: this.data.nonce,
};
const strvalue = JSON.stringify(utils.orderedObject(_txData));
const transactionHash = ethers.utils.id(strvalue);
return transactionHash;
}",
getHash: "() => {
const _txData = {
gasPrice: this.data.gasPrice.toHexString(),
gasLimit: this.data.gasLimit.toHexString(),
from: this.data.from,
to: this.data.to,
value: this.data.value.toHexString(),
data: this.data.data,
nonce: this.data.nonce.toHexString(),
v: this.data.v ? ('0x' + this.data.v) : '',
r: this.data.r ? ('0x' + this.data.r) : '',
s: this.data.s ? ('0x' + this.data.s) : '',
};
const tx = new EthereumJS.Transaction(_txData);
const hashRaw = tx.hash();
const transactionHash = ethers.utils.defaultAbiCoder.decode(["uint256"], hashRaw)[0].toHexString();
return transactionHash;
}",
execute: "(block, transactionIndex, logIndexOffset) => {
const _tx = this;
function _rejectTransaction(reason) {
// https://openethereum.github.io/Transactions-Queue
reason = reason || 'unknown';
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] REJECTED PROCESSING TRANSACTION', _tx.data.hash, ' (Reason:', reason + ')');
const success = blockchain.removeTransactionsFromMempool([_tx.hash], true, true);
if (success) {
saveMempool();
}
throw new Error(reason); // on rejete definitivement la tx (elle ne sera pas minée ... et donc aucun frais de gas ne sera compté)
// et du coup on rejete le block
}
function _checkGas(step) {
execDuration = performance.now()/1000 - execTsStart; //parseFloat(process.hrtime(execTsStart).join('.'));
gasUsed = toBn(Math.round(execDuration * cpuPricePerSecond)); // TODO: prendre en compte le storage utilisé dans le calcul du gasUsed
txCost = gasUsed.mul(_tx.data.gasPrice);
if (step == 'afterTransfer') {
//debugger;
}
if (status) {
gasUsedEffective = gasUsed;
txCostEffective = gasUsedEffective.mul(_tx.data.gasPrice);
if (gasUsed.gt(_tx.data.gasLimit)) {
status = 0;
error = new Error('INSUFFICIENT_GAS');
gasUsedEffective = _tx.data.gasLimit;
txCostEffective = txCostLimit;
// emit event
const debugError = {
message: 'INSUFFICIENT_GAS',
step,
gasPrice: _tx.data.gasPrice,
gasLimit: _tx.data.gasLimit,
gasUsed,
gasUsedEffective,
txCostLimit,
txCost,
txCostEffective,
execDuration,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, _tx.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
}
}
//const block = this;
const txLogs = [];
let vmStorage = {};
let gasUsed = toBn(0);
let gasUsedEffective = toBn(0);
let status = 1;
let error = null;
let createdContractAddress = null;
let amountTransfered = toBn(0);
const contractAddress = this.data.to;
let storageBackup;
let balanceBackup;
let contractExecuted = false;
let contractDeployed = false;
const execTsStart = performance.now()/1000; //process.hrtime(); //Date.now();
let execDuration = 0;
const txCostLimit = this.data.gasLimit.mul(this.data.gasPrice);
let txCost = toBn(0);
let txCostEffective = toBn(0);
const accountFrom = blockchain.getAccount(this.data.from);
if (! accountFrom) {
_rejectTransaction('TRANSACTION_REJECTED_EMPTY_ACCOUNT');
}
const accountFromBalance = accountFrom.data.balance;
if (accountFrom.address != mintAddress) {
// verif nonce
const expectedNonce = toBn(accountFrom.data.transactions.length); // le nonce attendu est egal au nombre de transactions passées de l'account
if (! this.data.nonce.eq(expectedNonce)) {
_rejectTransaction('TRANSACTION_REJECTED_INCORRECT_NONCE');
}
// verif balance pour gas + transfer
if (this.data.value && this.data.value.gt(0)) {
if (accountFromBalance.lt(this.data.value.add(txCostLimit))) {
// l'adresse n'a pas suffisamment de fond pour executer la transaction (selon gasLimit)
// TODO: faut-il rejeter la tx ? ou la laisser passer (en status=0) et lui vider sa balance (si 100% du gas est utilisé) ?
//return _rejectTransaction('TRANSACTION_FAILED_INSUFFICIENT_ETH_BALANCE');
_rejectTransaction('TRANSACTION_REJECTED_INSUFFICIENT_ETH_BALANCE');
}
}
}
_checkGas('init');
if (status) {
if (this.data.value && this.data.value.gt(0) && contractAddress && contractAddress.length > 2) {
// Transfer la valeur demandée (simple ETH transaction)
const [transferResult, transferLogs, transferReverted] = blockchain.transferEth(this.data, block);
txLogs.push( ...transferLogs );
// si recipient == contract => on transfer quand meme dès maintenant => TODO: a revoir (le transferEth declenche un appel à receive ... avant meme de savoir si unne methode payable doit etre appelée. Probleme si receive provoque un revert => la fonction payable ne sera pas appelée)
// 1) si methode payable appellée, on l'execute
// 2) si methode non payable => on appelle receive juste avant
// 3) si methode inconnue => revert
if (transferResult && transferReverted) {
// reverted (after transfer)
amountTransfered = this.data.value;
status = 0;
error = new Error('TRANSFER_REVERTED');
} else if (transferResult) {
// success
amountTransfered = this.data.value;
} else {
// transfer failed
status = 0;
error = new Error('TRANSFER_FAILED');
}
}
_checkGas('afterTransfer');
}
const gasUsedBeforeContractExecution = gasUsed;
if (status && this.data.data && this.data.data != '0x') {
// Traitement du champ data de la transaction (smart contract call)
if (!contractAddress || contractAddress == '0x') {
// contract creation
contractDeployed = true;
let contractExecResult;
try {
contractExecResult = this.transactionDeployContract(block);
const creationLogs = contractExecResult.logs;
vmStorage = contractExecResult.storage;
if (creationLogs.length) {
txLogs.push( ...creationLogs );
}
if (! contractExecResult.result) {
// Deploy Failed
status = 0;
error = new Error('CONTRACT_CREATION_FAILED');
// emit event
const debugError = {
message: 'CONTRACT_CREATION_FAILED',
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
} else {
// Deploy Success
createdContractAddress = contractExecResult.result.toLowerCase();
if (this.data.value.gt(0)) {
// Transfer tx value to contract
const _txData = {
...this.data,
to: createdContractAddress,
};
const [transferResult, transferLogs, transferReverted] = blockchain.transferEth(_txData, block);
txLogs.push( ...transferLogs );
if (transferResult) {
amountTransfered = this.data.value;
} else {
status = 0;
error = new Error('CONTRACT_CREATION_TRANSFER_FAILED');
}
}
// TODO: emit event CONTRACT_CREATION_SUCCESS ?
}
} catch (e) {
//console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] Cannot execute transaction');
//throw e;
status = 0;
error = new Error('CONTRACT_CREATION_ERROR');
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] CONTRACT_CREATION_ERROR with message', e.message)
// emit event
const debugError = {
message: 'CONTRACT_CREATION_ERROR',
error: e.message,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
_checkGas('afterContractCreation');
} else {
// contract execution
const contractAccount = blockchain.getAccount(contractAddress);
if (! contractAccount) {
status = 0;
error = new Error('CONTRACT_ACCOUNT_NOT_FOUND');
// emit event
const debugError = {
message: 'CONTRACT_ACCOUNT_NOT_FOUND',
address: contractAddress,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
if (status) {
storageBackup = JSON.stringify(contractAccount.data.storage);
balanceBackup = contractAccount.data.balance;
contractExecuted = true;
try {
const contractExecResult = this.executeTransactionContract(block);
const internalLogs = contractExecResult.logs;
vmStorage = contractExecResult.storage;
if (internalLogs.length) {
txLogs.push( ...internalLogs );
}
if (! contractExecResult.result) {
status = 0;
error = new Error('CONTRACT_EXEC_FAILED');
// emit event
const debugError = {
message: 'CONTRACT_EXEC_FAILED',
address: contractAddress,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
} catch (e) {
status = 0;
error = new Error('CONTRACT_EXEC_ERROR');
// emit event
const debugError = {
message: 'CONTRACT_EXEC_ERROR',
address: contractAddress,
error: e.message,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
}
_checkGas('afterContractCall');
}
}
const gasUsedAfterContractExecution = gasUsed;
const gasUsedInContractExecution = gasUsedAfterContractExecution.sub(gasUsedBeforeContractExecution);
const contractExecutionCost = gasUsedInContractExecution.mul(_tx.data.gasPrice);
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] execDuration =', (Math.round(execDuration * 1000000) / 1000000), ' seconds');
if (txCostEffective.gt(0)) {
// Gas payment
//const minerAccount = blockchain.getAccount(block.data.miner, true);
//const gasPaymentResult = minerAccount.transferFrom(accountFrom.address, txCostEffective);
const txDataGasPayment = {
from: accountFrom.address,
to: block.data.miner,
value: txCostEffective,
};
const [gasPaymentResult, gasPaymentLogs, transferReverted] = blockchain.transferEth(txDataGasPayment, block, true);
txLogs.push(...gasPaymentLogs);
if (gasPaymentResult) {
// gas payment success
} else {
// gas payment failed => reject transaction (and block)
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] Gas payment failed');
_rejectTransaction('GAS_PAYMENT_FAILED');
}
if (false) {
// DEBUG
const gasPercent = gasUsed.mul(100).div(this.data.gasLimit).toNumber();
const gasEffectivePercent = gasUsedEffective.mul(100).div(this.data.gasLimit).toNumber();
const costPercent = txCost.mul(100).div(txCostLimit).toNumber();
const costEffectivePercent = txCostEffective.mul(100).div(txCostLimit).toNumber();
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] txCostLimit =', ethers.utils.formatEther(txCostLimit));
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] txCostEffective =', ethers.utils.formatEther(txCostEffective));
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] gas % =', Math.round(gasPercent), '% =', Math.round(gasEffectivePercent), '%');
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] cost % =', Math.round(costPercent), '%', Math.round(costEffectivePercent), '%');
}
}
if (accountFrom.address != mintAddress) {
const accountFromBalanceAtEnd = blockchain.getAccountBalance(accountFrom.address);
if (accountFromBalanceAtEnd.lt(0)){
_rejectTransaction('TRANSACTION_FAILED_INSUFFICIENT_ETH_BALANCE_AT_END');
}
}
if (! status) {
// Transaction Failed
// Revert transfer
if (amountTransfered.gt(0)) {
const txDataRevert = {
...this.data,
from: this.data.to,
to: this.data.from,
value: amountTransfered,
};
const [transferResult, transferLogs, transferReverted] = blockchain.transferEth(txDataRevert, block);
// TODO: gerer le revert des internal transfers
}
txLogs.forEach(log => {
log.removed = true;
});
// Revert contract storage
if (contractExecuted) {
const contractAccount = blockchain.getAccount(contractAddress);
contractAccount.data.storage = JSON.parse(storageBackup, utils.bnJsonParser);
contractAccount.data.balance = balanceBackup;
} else if (amountTransfered) {
// on check aussi amountTransfered car le contrat peut avoir été exécuté via receive => TODO: process a revoir
const contractAccount = blockchain.getAccount(contractAddress);
if (contractAccount && contractAccount.isContract()) {
//contractAccount.data.storage = JSON.parse(storageBackup, utils.bnJsonParser);
//contractAccount.data.balance = balanceBackup;
// TODO
}
}
// Revert deployed contract
if (contractDeployed) {
// nothing to do ?
}
const gasPercent = gasUsed.mul(100).div(this.data.gasLimit).toNumber();
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] FAILED TRANSACTION ', this.data.hash, '| gas usage percent =', gasPercent, '%', ' | Error: ', error.message);
const realExecDuration = performance.now()/1000 - execTsStart; //parseFloat(process.hrtime(execTsStart).join('.'));
const realGasUsed = toBn(Math.round(realExecDuration * cpuPricePerSecond)); // TODO: prendre en compte le storage utilisé dans le calcul du gasUsed
const realGasPercent = realGasUsed.mul(100).div(this.data.gasLimit).toNumber();
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] FAILED TRANSACTION ', this.data.hash, '| real gas usage percent =', realGasPercent, '%', ' | Error: ', error.message);
} else {
// Transaction Success
// save contract storage
Object.entries(vmStorage).forEach((entry, idx) => {
const [contractAddress, contractStorage] = entry;
const contractAccount = blockchain.getAccount(contractAddress, true);
contractAccount.data.storage = contractStorage;
contractAccount.save();
});
// show result (debug)
const gasPercent = gasUsed.mul(100).div(this.data.gasLimit).toNumber();;
console.log(utils.getDate(), "[BLOCKCHAIN]", 'SUCCECSS TRANSACTION ', this.data.hash, '| gas usage percent =', gasPercent, '%');
}
// total gas utilisé dans le block
block.data.gasUsed = block.data.gasUsed.add(gasUsed);
// assign block data on logs
txLogs.forEach((txLog, idx) => {
txLog.data.transactionIndex = transactionIndex;
txLog.data.logIndex = logIndexOffset + idx;
txLog.data.transactionHash = this.data.hash;
txLog.data.blockHash = block.hash;
txLog.data.blockNumber = block.data.number;
});
const receiptData = {
transactionHash: this.data.hash,
transactionIndex: transactionIndex,
blockNumber: block.data.number,
blockHash: block.hash,
//logsBloom: '0x0000',
contractAddress: createdContractAddress,
gasUsed,
cumulativeGasUsed: block.data.gasUsed,
effectiveGasPrice: this.data.gasPrice,
effectiveCost: this.data.gasPrice.mul(gasUsed),
logs: txLogs,
status,
}
const receipt = new Receipt(blockchain, receiptData);
return [receipt, txLogs];
}",
executeTransactionContract: "(block) => {
let contractAddress = this.data.to;
const isNullRecipient = (! contractAddress || contractAddress.length <= 2);
if (isNullRecipient) {
throw new Error('CONTRACT_EXEC_ADDRESS_INVALID_BUG_1');
}
const contractAccount = blockchain.getAccount(contractAddress);
if (! contractAccount) {
throw new Error('CONTRACT_EXEC_ACCOUNT_NOT_FOUND');
}
// Execute existing contract method call
return blockchain.callContractMethodInVM(this.data, block);
}",
transactionDeployContract: "(block) => {
let contractAddress = this.data.to;
let contractAccount;
if (contractAddress && contractAddress.length > 2) {
throw new Error('CONTRACT_DEPLOY_ADDRESS_INVALID_BUG_2');
}
// CONTRACT CREATION
if (! this.data.data || this.data.data.length <= 2) {
throw new Error('CONTRACT_DEPLOY_INVALID_DATA_EMPTY_CODE');
}
// build contract address
contractAddress = ethers.utils.getContractAddress(this.data).toLocaleLowerCase();
// parse contract source code & constructor parameters
const codes = ethers.utils.defaultAbiCoder.decode(["string", "string"], this.data.data);
if (! codes) {
throw new Error('CONTRACT_DEPLOY_CODE_PARSING_FAILED');
}
const sourceCode = codes[0];
const constructorParams = codes[1];
const constructorRawParams = ethers.utils.defaultAbiCoder.encode(["string"], [constructorParams]);
const codeHash = ethers.utils.id(sourceCode);
const codeAbi = null; // l'abi sera généré une fois que le contrat aura été instancié
const storageHash = ethers.utils.id('{}');
// create new account
const accountData = {
address: contractAddress,
code: sourceCode,
codeHash,
codeAbi,
storage: {},
storageHash,
};
contractAccount = blockchain.createAccount(contractAddress, accountData);
// instanciate contract + call constructor + recuperer storage
const txData = {
from: this.data.from,
to: contractAddress,
data: constructorRawParams,
value: this.data.value.toHexString(),
};
const callResult = blockchain.deployContractInVM(txData, block);
const creationLogs = callResult.logs;
const vmStorage = callResult.storage;
// emit event
const eventParams = [
contractAddress,
];
const _txData = {
...this.data,
to: blockchain.getNullAddress(),
}
const deployLog = new TxLog(blockchain, null, _txData, 'ContractCreated', eventParams, deployAbi);
creationLogs.push(deployLog);
return {
result: contractAddress,
logs: creationLogs,
storage: vmStorage,
};
}",
timestamp: "1651572564252",
status: 1,
gasUsed: "2419"
},
0xd242c8ffbe99682086ac93dfbdb2f83ce794ef8af244cc33bf59368aaf85b603: {
data: {
blockHash: "0x007d12ef737a792e65de5c88ad295881851a53ffb193f3157f157bb13747118d",
blockNumber: "9",
transactionIndex: 1,
hash: "0xd242c8ffbe99682086ac93dfbdb2f83ce794ef8af244cc33bf59368aaf85b603",
from: "0x131a190fa22cb867abf58193bf9e7640e9fce682",
gasLimit: "1015000",
gasPrice: "1000000000",
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nonce: "8",
to: "0x",
value: "0",
chainId: "3615",
origin: "1651572560908",
v: "1c62",
r: "d14cfec2be03194c3f5a22a8c52034fca6a038ec7274d758214020b2d3e079d0",
s: "4eeed5c1be8fe784e7601029f7300369eb5458317718434504e1d115c704d533"
},
hash: "0xd242c8ffbe99682086ac93dfbdb2f83ce794ef8af244cc33bf59368aaf85b603",
load: "() => {
const transactionFile = config.node.dataDir + '/transactions/' + this.hash + '.json';
if (! fs.existsSync(transactionFile)) {
console.warn(utils.getDate(), "[BLOCKCHAIN]", 'IMPORT Transaction not found', this.hash);
throw new Error('IMPORT_TRANSACTION_NOT_FOUND_DATABASE_CORRUPTED');
}
const transactionJson = fs.readFileSync(transactionFile);
transactionData = JSON.parse(transactionJson, utils.bnJsonParser);
this.data = (typeof transactionData == 'TransactionData') ? transactionData : new TransactionData(transactionData);
return true;
}",
save: "() => {
const transactionFile = config.node.dataDir + '/transactions/' + this.hash + '.json';
fs.writeFileSync(transactionFile, JSON.stringify(this.data));
return true;
}",
getReceipt: "() => {
return blockchain.getTransactionReceiptByHash(this.hash);
}",
getBlock: "() => {
return blockchain.getBlockByHash(this.data.blockHash);
}",
getBlockTransationPrev: "() => {
const block = this.getBlock();
const txPrevIdx = (this.data.transactionIndex > 0) ? (this.data.transactionIndex-1) : null;
const tx = (block && txPrevIdx in block.transactions) ? block.transactions[txPrevIdx] : null;
return tx;
}",
getBlockTransationNext: "() => {
const block = this.getBlock();
const txNextIdx = (this.data.transactionIndex < block.transactions.length - 1) ? (this.data.transactionIndex+1) : null;
const tx = (block && txNextIdx in block.transactions) ? block.transactions[txNextIdx] : null;
return tx;
}",
getAccountTransactionIndex: "() => {
const account = blockchain.getAccount(this.data.from);
if (! account) {
return null;
}
const txIdx = account.data.transactions.findIndex(transactionHash => blockchain.getTransactionByHash(transactionHash).hash == this.hash);
if (txIdx === -1) {
return null;
}
return txIdx;
}",
getAccountTransationPrev: "() => {
const account = blockchain.getAccount(this.data.from);
if (! account) {
return null;
}
const txIdx = this.getAccountTransactionIndex();
if (txIdx === null) {
return null;
}
const txPrevIdx = (txIdx > 0) ? (txIdx-1) : null;
const transactionHash = (txPrevIdx in account.data.transactions) ? account.data.transactions[txPrevIdx] : null;
if (! transactionHash) {
return null;
}
return blockchain.getTransactionByHash(transactionHash);
}",
getAccountTransationNext: "() => {
const account = blockchain.getAccount(this.data.from);
if (! account) {
return null;
}
const txIdx = this.getAccountTransactionIndex();
if (txIdx === null) {
return null;
}
const txNextIdx = (txIdx < account.data.transactions.length - 1) ? (txIdx+1) : null;
const transactionHash = (txNextIdx in account.data.transactions) ? account.data.transactions[txNextIdx] : null;
if (! transactionHash) {
return null;
}
return blockchain.getTransactionByHash(transactionHash);
}",
formatRpc: "() => {
// https://github.com/ethers-io/ethers.js/blob/master/packages/abstract-provider/lib/index.d.ts
const to = (this.data.to && this.data.to.length == 42) ? this.data.to : null;
const _txData = {
blockHash: this.data.blockHash,
blockNumber: this.data.blockNumber.toNumber(),
transactionIndex: this.data.transactionIndex,
hash: this.data.hash,
from: this.data.from,
gasLimit: this.data.gasLimit.toHexString(),
gasPrice: this.data.gasPrice.toHexString(),
data: this.data.data,
nonce: this.data.nonce.toHexString(),
to,
value: this.data.value.toHexString(),
chainId: this.data.chainId.toNumber(),
//origin: this.data.origin.toHexString(),
};
return _txData;
}",
getHashOLD: "() => {
const _txData = {
gasPrice: this.data.gasPrice,
gasLimit: this.data.gasLimit,
from: this.data.from,
to: this.data.to,
value: this.data.value,
data: this.data.data,
nonce: this.data.nonce,
};
const strvalue = JSON.stringify(utils.orderedObject(_txData));
const transactionHash = ethers.utils.id(strvalue);
return transactionHash;
}",
getHash: "() => {
const _txData = {
gasPrice: this.data.gasPrice.toHexString(),
gasLimit: this.data.gasLimit.toHexString(),
from: this.data.from,
to: this.data.to,
value: this.data.value.toHexString(),
data: this.data.data,
nonce: this.data.nonce.toHexString(),
v: this.data.v ? ('0x' + this.data.v) : '',
r: this.data.r ? ('0x' + this.data.r) : '',
s: this.data.s ? ('0x' + this.data.s) : '',
};
const tx = new EthereumJS.Transaction(_txData);
const hashRaw = tx.hash();
const transactionHash = ethers.utils.defaultAbiCoder.decode(["uint256"], hashRaw)[0].toHexString();
return transactionHash;
}",
execute: "(block, transactionIndex, logIndexOffset) => {
const _tx = this;
function _rejectTransaction(reason) {
// https://openethereum.github.io/Transactions-Queue
reason = reason || 'unknown';
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] REJECTED PROCESSING TRANSACTION', _tx.data.hash, ' (Reason:', reason + ')');
const success = blockchain.removeTransactionsFromMempool([_tx.hash], true, true);
if (success) {
saveMempool();
}
throw new Error(reason); // on rejete definitivement la tx (elle ne sera pas minée ... et donc aucun frais de gas ne sera compté)
// et du coup on rejete le block
}
function _checkGas(step) {
execDuration = performance.now()/1000 - execTsStart; //parseFloat(process.hrtime(execTsStart).join('.'));
gasUsed = toBn(Math.round(execDuration * cpuPricePerSecond)); // TODO: prendre en compte le storage utilisé dans le calcul du gasUsed
txCost = gasUsed.mul(_tx.data.gasPrice);
if (step == 'afterTransfer') {
//debugger;
}
if (status) {
gasUsedEffective = gasUsed;
txCostEffective = gasUsedEffective.mul(_tx.data.gasPrice);
if (gasUsed.gt(_tx.data.gasLimit)) {
status = 0;
error = new Error('INSUFFICIENT_GAS');
gasUsedEffective = _tx.data.gasLimit;
txCostEffective = txCostLimit;
// emit event
const debugError = {
message: 'INSUFFICIENT_GAS',
step,
gasPrice: _tx.data.gasPrice,
gasLimit: _tx.data.gasLimit,
gasUsed,
gasUsedEffective,
txCostLimit,
txCost,
txCostEffective,
execDuration,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, _tx.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
}
}
//const block = this;
const txLogs = [];
let vmStorage = {};
let gasUsed = toBn(0);
let gasUsedEffective = toBn(0);
let status = 1;
let error = null;
let createdContractAddress = null;
let amountTransfered = toBn(0);
const contractAddress = this.data.to;
let storageBackup;
let balanceBackup;
let contractExecuted = false;
let contractDeployed = false;
const execTsStart = performance.now()/1000; //process.hrtime(); //Date.now();
let execDuration = 0;
const txCostLimit = this.data.gasLimit.mul(this.data.gasPrice);
let txCost = toBn(0);
let txCostEffective = toBn(0);
const accountFrom = blockchain.getAccount(this.data.from);
if (! accountFrom) {
_rejectTransaction('TRANSACTION_REJECTED_EMPTY_ACCOUNT');
}
const accountFromBalance = accountFrom.data.balance;
if (accountFrom.address != mintAddress) {
// verif nonce
const expectedNonce = toBn(accountFrom.data.transactions.length); // le nonce attendu est egal au nombre de transactions passées de l'account
if (! this.data.nonce.eq(expectedNonce)) {
_rejectTransaction('TRANSACTION_REJECTED_INCORRECT_NONCE');
}
// verif balance pour gas + transfer
if (this.data.value && this.data.value.gt(0)) {
if (accountFromBalance.lt(this.data.value.add(txCostLimit))) {
// l'adresse n'a pas suffisamment de fond pour executer la transaction (selon gasLimit)
// TODO: faut-il rejeter la tx ? ou la laisser passer (en status=0) et lui vider sa balance (si 100% du gas est utilisé) ?
//return _rejectTransaction('TRANSACTION_FAILED_INSUFFICIENT_ETH_BALANCE');
_rejectTransaction('TRANSACTION_REJECTED_INSUFFICIENT_ETH_BALANCE');
}
}
}
_checkGas('init');
if (status) {
if (this.data.value && this.data.value.gt(0) && contractAddress && contractAddress.length > 2) {
// Transfer la valeur demandée (simple ETH transaction)
const [transferResult, transferLogs, transferReverted] = blockchain.transferEth(this.data, block);
txLogs.push( ...transferLogs );
// si recipient == contract => on transfer quand meme dès maintenant => TODO: a revoir (le transferEth declenche un appel à receive ... avant meme de savoir si unne methode payable doit etre appelée. Probleme si receive provoque un revert => la fonction payable ne sera pas appelée)
// 1) si methode payable appellée, on l'execute
// 2) si methode non payable => on appelle receive juste avant
// 3) si methode inconnue => revert
if (transferResult && transferReverted) {
// reverted (after transfer)
amountTransfered = this.data.value;
status = 0;
error = new Error('TRANSFER_REVERTED');
} else if (transferResult) {
// success
amountTransfered = this.data.value;
} else {
// transfer failed
status = 0;
error = new Error('TRANSFER_FAILED');
}
}
_checkGas('afterTransfer');
}
const gasUsedBeforeContractExecution = gasUsed;
if (status && this.data.data && this.data.data != '0x') {
// Traitement du champ data de la transaction (smart contract call)
if (!contractAddress || contractAddress == '0x') {
// contract creation
contractDeployed = true;
let contractExecResult;
try {
contractExecResult = this.transactionDeployContract(block);
const creationLogs = contractExecResult.logs;
vmStorage = contractExecResult.storage;
if (creationLogs.length) {
txLogs.push( ...creationLogs );
}
if (! contractExecResult.result) {
// Deploy Failed
status = 0;
error = new Error('CONTRACT_CREATION_FAILED');
// emit event
const debugError = {
message: 'CONTRACT_CREATION_FAILED',
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
} else {
// Deploy Success
createdContractAddress = contractExecResult.result.toLowerCase();
if (this.data.value.gt(0)) {
// Transfer tx value to contract
const _txData = {
...this.data,
to: createdContractAddress,
};
const [transferResult, transferLogs, transferReverted] = blockchain.transferEth(_txData, block);
txLogs.push( ...transferLogs );
if (transferResult) {
amountTransfered = this.data.value;
} else {
status = 0;
error = new Error('CONTRACT_CREATION_TRANSFER_FAILED');
}
}
// TODO: emit event CONTRACT_CREATION_SUCCESS ?
}
} catch (e) {
//console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] Cannot execute transaction');
//throw e;
status = 0;
error = new Error('CONTRACT_CREATION_ERROR');
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] CONTRACT_CREATION_ERROR with message', e.message)
// emit event
const debugError = {
message: 'CONTRACT_CREATION_ERROR',
error: e.message,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
_checkGas('afterContractCreation');
} else {
// contract execution
const contractAccount = blockchain.getAccount(contractAddress);
if (! contractAccount) {
status = 0;
error = new Error('CONTRACT_ACCOUNT_NOT_FOUND');
// emit event
const debugError = {
message: 'CONTRACT_ACCOUNT_NOT_FOUND',
address: contractAddress,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
if (status) {
storageBackup = JSON.stringify(contractAccount.data.storage);
balanceBackup = contractAccount.data.balance;
contractExecuted = true;
try {
const contractExecResult = this.executeTransactionContract(block);
const internalLogs = contractExecResult.logs;
vmStorage = contractExecResult.storage;
if (internalLogs.length) {
txLogs.push( ...internalLogs );
}
if (! contractExecResult.result) {
status = 0;
error = new Error('CONTRACT_EXEC_FAILED');
// emit event
const debugError = {
message: 'CONTRACT_EXEC_FAILED',
address: contractAddress,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
} catch (e) {
status = 0;
error = new Error('CONTRACT_EXEC_ERROR');
// emit event
const debugError = {
message: 'CONTRACT_EXEC_ERROR',
address: contractAddress,
error: e.message,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
}
_checkGas('afterContractCall');
}
}
const gasUsedAfterContractExecution = gasUsed;
const gasUsedInContractExecution = gasUsedAfterContractExecution.sub(gasUsedBeforeContractExecution);
const contractExecutionCost = gasUsedInContractExecution.mul(_tx.data.gasPrice);
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] execDuration =', (Math.round(execDuration * 1000000) / 1000000), ' seconds');
if (txCostEffective.gt(0)) {
// Gas payment
//const minerAccount = blockchain.getAccount(block.data.miner, true);
//const gasPaymentResult = minerAccount.transferFrom(accountFrom.address, txCostEffective);
const txDataGasPayment = {
from: accountFrom.address,
to: block.data.miner,
value: txCostEffective,
};
const [gasPaymentResult, gasPaymentLogs, transferReverted] = blockchain.transferEth(txDataGasPayment, block, true);
txLogs.push(...gasPaymentLogs);
if (gasPaymentResult) {
// gas payment success
} else {
// gas payment failed => reject transaction (and block)
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] Gas payment failed');
_rejectTransaction('GAS_PAYMENT_FAILED');
}
if (false) {
// DEBUG
const gasPercent = gasUsed.mul(100).div(this.data.gasLimit).toNumber();
const gasEffectivePercent = gasUsedEffective.mul(100).div(this.data.gasLimit).toNumber();
const costPercent = txCost.mul(100).div(txCostLimit).toNumber();
const costEffectivePercent = txCostEffective.mul(100).div(txCostLimit).toNumber();
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] txCostLimit =', ethers.utils.formatEther(txCostLimit));
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] txCostEffective =', ethers.utils.formatEther(txCostEffective));
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] gas % =', Math.round(gasPercent), '% =', Math.round(gasEffectivePercent), '%');
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] cost % =', Math.round(costPercent), '%', Math.round(costEffectivePercent), '%');
}
}
if (accountFrom.address != mintAddress) {
const accountFromBalanceAtEnd = blockchain.getAccountBalance(accountFrom.address);
if (accountFromBalanceAtEnd.lt(0)){
_rejectTransaction('TRANSACTION_FAILED_INSUFFICIENT_ETH_BALANCE_AT_END');
}
}
if (! status) {
// Transaction Failed
// Revert transfer
if (amountTransfered.gt(0)) {
const txDataRevert = {
...this.data,
from: this.data.to,
to: this.data.from,
value: amountTransfered,
};
const [transferResult, transferLogs, transferReverted] = blockchain.transferEth(txDataRevert, block);
// TODO: gerer le revert des internal transfers
}
txLogs.forEach(log => {
log.removed = true;
});
// Revert contract storage
if (contractExecuted) {
const contractAccount = blockchain.getAccount(contractAddress);
contractAccount.data.storage = JSON.parse(storageBackup, utils.bnJsonParser);
contractAccount.data.balance = balanceBackup;
} else if (amountTransfered) {
// on check aussi amountTransfered car le contrat peut avoir été exécuté via receive => TODO: process a revoir
const contractAccount = blockchain.getAccount(contractAddress);
if (contractAccount && contractAccount.isContract()) {
//contractAccount.data.storage = JSON.parse(storageBackup, utils.bnJsonParser);
//contractAccount.data.balance = balanceBackup;
// TODO
}
}
// Revert deployed contract
if (contractDeployed) {
// nothing to do ?
}
const gasPercent = gasUsed.mul(100).div(this.data.gasLimit).toNumber();
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] FAILED TRANSACTION ', this.data.hash, '| gas usage percent =', gasPercent, '%', ' | Error: ', error.message);
const realExecDuration = performance.now()/1000 - execTsStart; //parseFloat(process.hrtime(execTsStart).join('.'));
const realGasUsed = toBn(Math.round(realExecDuration * cpuPricePerSecond)); // TODO: prendre en compte le storage utilisé dans le calcul du gasUsed
const realGasPercent = realGasUsed.mul(100).div(this.data.gasLimit).toNumber();
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] FAILED TRANSACTION ', this.data.hash, '| real gas usage percent =', realGasPercent, '%', ' | Error: ', error.message);
} else {
// Transaction Success
// save contract storage
Object.entries(vmStorage).forEach((entry, idx) => {
const [contractAddress, contractStorage] = entry;
const contractAccount = blockchain.getAccount(contractAddress, true);
contractAccount.data.storage = contractStorage;
contractAccount.save();
});
// show result (debug)
const gasPercent = gasUsed.mul(100).div(this.data.gasLimit).toNumber();;
console.log(utils.getDate(), "[BLOCKCHAIN]", 'SUCCECSS TRANSACTION ', this.data.hash, '| gas usage percent =', gasPercent, '%');
}
// total gas utilisé dans le block
block.data.gasUsed = block.data.gasUsed.add(gasUsed);
// assign block data on logs
txLogs.forEach((txLog, idx) => {
txLog.data.transactionIndex = transactionIndex;
txLog.data.logIndex = logIndexOffset + idx;
txLog.data.transactionHash = this.data.hash;
txLog.data.blockHash = block.hash;
txLog.data.blockNumber = block.data.number;
});
const receiptData = {
transactionHash: this.data.hash,
transactionIndex: transactionIndex,
blockNumber: block.data.number,
blockHash: block.hash,
//logsBloom: '0x0000',
contractAddress: createdContractAddress,
gasUsed,
cumulativeGasUsed: block.data.gasUsed,
effectiveGasPrice: this.data.gasPrice,
effectiveCost: this.data.gasPrice.mul(gasUsed),
logs: txLogs,
status,
}
const receipt = new Receipt(blockchain, receiptData);
return [receipt, txLogs];
}",
executeTransactionContract: "(block) => {
let contractAddress = this.data.to;
const isNullRecipient = (! contractAddress || contractAddress.length <= 2);
if (isNullRecipient) {
throw new Error('CONTRACT_EXEC_ADDRESS_INVALID_BUG_1');
}
const contractAccount = blockchain.getAccount(contractAddress);
if (! contractAccount) {
throw new Error('CONTRACT_EXEC_ACCOUNT_NOT_FOUND');
}
// Execute existing contract method call
return blockchain.callContractMethodInVM(this.data, block);
}",
transactionDeployContract: "(block) => {
let contractAddress = this.data.to;
let contractAccount;
if (contractAddress && contractAddress.length > 2) {
throw new Error('CONTRACT_DEPLOY_ADDRESS_INVALID_BUG_2');
}
// CONTRACT CREATION
if (! this.data.data || this.data.data.length <= 2) {
throw new Error('CONTRACT_DEPLOY_INVALID_DATA_EMPTY_CODE');
}
// build contract address
contractAddress = ethers.utils.getContractAddress(this.data).toLocaleLowerCase();
// parse contract source code & constructor parameters
const codes = ethers.utils.defaultAbiCoder.decode(["string", "string"], this.data.data);
if (! codes) {
throw new Error('CONTRACT_DEPLOY_CODE_PARSING_FAILED');
}
const sourceCode = codes[0];
const constructorParams = codes[1];
const constructorRawParams = ethers.utils.defaultAbiCoder.encode(["string"], [constructorParams]);
const codeHash = ethers.utils.id(sourceCode);
const codeAbi = null; // l'abi sera généré une fois que le contrat aura été instancié
const storageHash = ethers.utils.id('{}');
// create new account
const accountData = {
address: contractAddress,
code: sourceCode,
codeHash,
codeAbi,
storage: {},
storageHash,
};
contractAccount = blockchain.createAccount(contractAddress, accountData);
// instanciate contract + call constructor + recuperer storage
const txData = {
from: this.data.from,
to: contractAddress,
data: constructorRawParams,
value: this.data.value.toHexString(),
};
const callResult = blockchain.deployContractInVM(txData, block);
const creationLogs = callResult.logs;
const vmStorage = callResult.storage;
// emit event
const eventParams = [
contractAddress,
];
const _txData = {
...this.data,
to: blockchain.getNullAddress(),
}
const deployLog = new TxLog(blockchain, null, _txData, 'ContractCreated', eventParams, deployAbi);
creationLogs.push(deployLog);
return {
result: contractAddress,
logs: creationLogs,
storage: vmStorage,
};
}",
timestamp: "1651572564252",
status: 1,
gasUsed: "22850"
},
0xdb8d72297b2c4ec5299b905c528f01396a1b01a40e07a1096ed6490d4f09f341: {
data: {
blockHash: "0x00995e427a45c5fef2068e47722cab6cfedf79fa867f67a4183b56a24d67a629",
blockNumber: "10",
transactionIndex: 0,
hash: "0xdb8d72297b2c4ec5299b905c528f01396a1b01a40e07a1096ed6490d4f09f341",
from: "0x0000000000000000000000000000000000000001",
gasLimit: "1000000000000000000",
gasPrice: "0",
data: "0x",
nonce: "9",
to: "0xccf8ba457dcad7ee6a0361c96846a0f79744b113",
value: "250000000000000000000",
chainId: "3615",
origin: "1651572569412",
v: "",
r: "",
s: ""
},
hash: "0xdb8d72297b2c4ec5299b905c528f01396a1b01a40e07a1096ed6490d4f09f341",
load: "() => {
const transactionFile = config.node.dataDir + '/transactions/' + this.hash + '.json';
if (! fs.existsSync(transactionFile)) {
console.warn(utils.getDate(), "[BLOCKCHAIN]", 'IMPORT Transaction not found', this.hash);
throw new Error('IMPORT_TRANSACTION_NOT_FOUND_DATABASE_CORRUPTED');
}
const transactionJson = fs.readFileSync(transactionFile);
transactionData = JSON.parse(transactionJson, utils.bnJsonParser);
this.data = (typeof transactionData == 'TransactionData') ? transactionData : new TransactionData(transactionData);
return true;
}",
save: "() => {
const transactionFile = config.node.dataDir + '/transactions/' + this.hash + '.json';
fs.writeFileSync(transactionFile, JSON.stringify(this.data));
return true;
}",
getReceipt: "() => {
return blockchain.getTransactionReceiptByHash(this.hash);
}",
getBlock: "() => {
return blockchain.getBlockByHash(this.data.blockHash);
}",
getBlockTransationPrev: "() => {
const block = this.getBlock();
const txPrevIdx = (this.data.transactionIndex > 0) ? (this.data.transactionIndex-1) : null;
const tx = (block && txPrevIdx in block.transactions) ? block.transactions[txPrevIdx] : null;
return tx;
}",
getBlockTransationNext: "() => {
const block = this.getBlock();
const txNextIdx = (this.data.transactionIndex < block.transactions.length - 1) ? (this.data.transactionIndex+1) : null;
const tx = (block && txNextIdx in block.transactions) ? block.transactions[txNextIdx] : null;
return tx;
}",
getAccountTransactionIndex: "() => {
const account = blockchain.getAccount(this.data.from);
if (! account) {
return null;
}
const txIdx = account.data.transactions.findIndex(transactionHash => blockchain.getTransactionByHash(transactionHash).hash == this.hash);
if (txIdx === -1) {
return null;
}
return txIdx;
}",
getAccountTransationPrev: "() => {
const account = blockchain.getAccount(this.data.from);
if (! account) {
return null;
}
const txIdx = this.getAccountTransactionIndex();
if (txIdx === null) {
return null;
}
const txPrevIdx = (txIdx > 0) ? (txIdx-1) : null;
const transactionHash = (txPrevIdx in account.data.transactions) ? account.data.transactions[txPrevIdx] : null;
if (! transactionHash) {
return null;
}
return blockchain.getTransactionByHash(transactionHash);
}",
getAccountTransationNext: "() => {
const account = blockchain.getAccount(this.data.from);
if (! account) {
return null;
}
const txIdx = this.getAccountTransactionIndex();
if (txIdx === null) {
return null;
}
const txNextIdx = (txIdx < account.data.transactions.length - 1) ? (txIdx+1) : null;
const transactionHash = (txNextIdx in account.data.transactions) ? account.data.transactions[txNextIdx] : null;
if (! transactionHash) {
return null;
}
return blockchain.getTransactionByHash(transactionHash);
}",
formatRpc: "() => {
// https://github.com/ethers-io/ethers.js/blob/master/packages/abstract-provider/lib/index.d.ts
const to = (this.data.to && this.data.to.length == 42) ? this.data.to : null;
const _txData = {
blockHash: this.data.blockHash,
blockNumber: this.data.blockNumber.toNumber(),
transactionIndex: this.data.transactionIndex,
hash: this.data.hash,
from: this.data.from,
gasLimit: this.data.gasLimit.toHexString(),
gasPrice: this.data.gasPrice.toHexString(),
data: this.data.data,
nonce: this.data.nonce.toHexString(),
to,
value: this.data.value.toHexString(),
chainId: this.data.chainId.toNumber(),
//origin: this.data.origin.toHexString(),
};
return _txData;
}",
getHashOLD: "() => {
const _txData = {
gasPrice: this.data.gasPrice,
gasLimit: this.data.gasLimit,
from: this.data.from,
to: this.data.to,
value: this.data.value,
data: this.data.data,
nonce: this.data.nonce,
};
const strvalue = JSON.stringify(utils.orderedObject(_txData));
const transactionHash = ethers.utils.id(strvalue);
return transactionHash;
}",
getHash: "() => {
const _txData = {
gasPrice: this.data.gasPrice.toHexString(),
gasLimit: this.data.gasLimit.toHexString(),
from: this.data.from,
to: this.data.to,
value: this.data.value.toHexString(),
data: this.data.data,
nonce: this.data.nonce.toHexString(),
v: this.data.v ? ('0x' + this.data.v) : '',
r: this.data.r ? ('0x' + this.data.r) : '',
s: this.data.s ? ('0x' + this.data.s) : '',
};
const tx = new EthereumJS.Transaction(_txData);
const hashRaw = tx.hash();
const transactionHash = ethers.utils.defaultAbiCoder.decode(["uint256"], hashRaw)[0].toHexString();
return transactionHash;
}",
execute: "(block, transactionIndex, logIndexOffset) => {
const _tx = this;
function _rejectTransaction(reason) {
// https://openethereum.github.io/Transactions-Queue
reason = reason || 'unknown';
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] REJECTED PROCESSING TRANSACTION', _tx.data.hash, ' (Reason:', reason + ')');
const success = blockchain.removeTransactionsFromMempool([_tx.hash], true, true);
if (success) {
saveMempool();
}
throw new Error(reason); // on rejete definitivement la tx (elle ne sera pas minée ... et donc aucun frais de gas ne sera compté)
// et du coup on rejete le block
}
function _checkGas(step) {
execDuration = performance.now()/1000 - execTsStart; //parseFloat(process.hrtime(execTsStart).join('.'));
gasUsed = toBn(Math.round(execDuration * cpuPricePerSecond)); // TODO: prendre en compte le storage utilisé dans le calcul du gasUsed
txCost = gasUsed.mul(_tx.data.gasPrice);
if (step == 'afterTransfer') {
//debugger;
}
if (status) {
gasUsedEffective = gasUsed;
txCostEffective = gasUsedEffective.mul(_tx.data.gasPrice);
if (gasUsed.gt(_tx.data.gasLimit)) {
status = 0;
error = new Error('INSUFFICIENT_GAS');
gasUsedEffective = _tx.data.gasLimit;
txCostEffective = txCostLimit;
// emit event
const debugError = {
message: 'INSUFFICIENT_GAS',
step,
gasPrice: _tx.data.gasPrice,
gasLimit: _tx.data.gasLimit,
gasUsed,
gasUsedEffective,
txCostLimit,
txCost,
txCostEffective,
execDuration,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, _tx.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
}
}
//const block = this;
const txLogs = [];
let vmStorage = {};
let gasUsed = toBn(0);
let gasUsedEffective = toBn(0);
let status = 1;
let error = null;
let createdContractAddress = null;
let amountTransfered = toBn(0);
const contractAddress = this.data.to;
let storageBackup;
let balanceBackup;
let contractExecuted = false;
let contractDeployed = false;
const execTsStart = performance.now()/1000; //process.hrtime(); //Date.now();
let execDuration = 0;
const txCostLimit = this.data.gasLimit.mul(this.data.gasPrice);
let txCost = toBn(0);
let txCostEffective = toBn(0);
const accountFrom = blockchain.getAccount(this.data.from);
if (! accountFrom) {
_rejectTransaction('TRANSACTION_REJECTED_EMPTY_ACCOUNT');
}
const accountFromBalance = accountFrom.data.balance;
if (accountFrom.address != mintAddress) {
// verif nonce
const expectedNonce = toBn(accountFrom.data.transactions.length); // le nonce attendu est egal au nombre de transactions passées de l'account
if (! this.data.nonce.eq(expectedNonce)) {
_rejectTransaction('TRANSACTION_REJECTED_INCORRECT_NONCE');
}
// verif balance pour gas + transfer
if (this.data.value && this.data.value.gt(0)) {
if (accountFromBalance.lt(this.data.value.add(txCostLimit))) {
// l'adresse n'a pas suffisamment de fond pour executer la transaction (selon gasLimit)
// TODO: faut-il rejeter la tx ? ou la laisser passer (en status=0) et lui vider sa balance (si 100% du gas est utilisé) ?
//return _rejectTransaction('TRANSACTION_FAILED_INSUFFICIENT_ETH_BALANCE');
_rejectTransaction('TRANSACTION_REJECTED_INSUFFICIENT_ETH_BALANCE');
}
}
}
_checkGas('init');
if (status) {
if (this.data.value && this.data.value.gt(0) && contractAddress && contractAddress.length > 2) {
// Transfer la valeur demandée (simple ETH transaction)
const [transferResult, transferLogs, transferReverted] = blockchain.transferEth(this.data, block);
txLogs.push( ...transferLogs );
// si recipient == contract => on transfer quand meme dès maintenant => TODO: a revoir (le transferEth declenche un appel à receive ... avant meme de savoir si unne methode payable doit etre appelée. Probleme si receive provoque un revert => la fonction payable ne sera pas appelée)
// 1) si methode payable appellée, on l'execute
// 2) si methode non payable => on appelle receive juste avant
// 3) si methode inconnue => revert
if (transferResult && transferReverted) {
// reverted (after transfer)
amountTransfered = this.data.value;
status = 0;
error = new Error('TRANSFER_REVERTED');
} else if (transferResult) {
// success
amountTransfered = this.data.value;
} else {
// transfer failed
status = 0;
error = new Error('TRANSFER_FAILED');
}
}
_checkGas('afterTransfer');
}
const gasUsedBeforeContractExecution = gasUsed;
if (status && this.data.data && this.data.data != '0x') {
// Traitement du champ data de la transaction (smart contract call)
if (!contractAddress || contractAddress == '0x') {
// contract creation
contractDeployed = true;
let contractExecResult;
try {
contractExecResult = this.transactionDeployContract(block);
const creationLogs = contractExecResult.logs;
vmStorage = contractExecResult.storage;
if (creationLogs.length) {
txLogs.push( ...creationLogs );
}
if (! contractExecResult.result) {
// Deploy Failed
status = 0;
error = new Error('CONTRACT_CREATION_FAILED');
// emit event
const debugError = {
message: 'CONTRACT_CREATION_FAILED',
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
} else {
// Deploy Success
createdContractAddress = contractExecResult.result.toLowerCase();
if (this.data.value.gt(0)) {
// Transfer tx value to contract
const _txData = {
...this.data,
to: createdContractAddress,
};
const [transferResult, transferLogs, transferReverted] = blockchain.transferEth(_txData, block);
txLogs.push( ...transferLogs );
if (transferResult) {
amountTransfered = this.data.value;
} else {
status = 0;
error = new Error('CONTRACT_CREATION_TRANSFER_FAILED');
}
}
// TODO: emit event CONTRACT_CREATION_SUCCESS ?
}
} catch (e) {
//console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] Cannot execute transaction');
//throw e;
status = 0;
error = new Error('CONTRACT_CREATION_ERROR');
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] CONTRACT_CREATION_ERROR with message', e.message)
// emit event
const debugError = {
message: 'CONTRACT_CREATION_ERROR',
error: e.message,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
_checkGas('afterContractCreation');
} else {
// contract execution
const contractAccount = blockchain.getAccount(contractAddress);
if (! contractAccount) {
status = 0;
error = new Error('CONTRACT_ACCOUNT_NOT_FOUND');
// emit event
const debugError = {
message: 'CONTRACT_ACCOUNT_NOT_FOUND',
address: contractAddress,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
if (status) {
storageBackup = JSON.stringify(contractAccount.data.storage);
balanceBackup = contractAccount.data.balance;
contractExecuted = true;
try {
const contractExecResult = this.executeTransactionContract(block);
const internalLogs = contractExecResult.logs;
vmStorage = contractExecResult.storage;
if (internalLogs.length) {
txLogs.push( ...internalLogs );
}
if (! contractExecResult.result) {
status = 0;
error = new Error('CONTRACT_EXEC_FAILED');
// emit event
const debugError = {
message: 'CONTRACT_EXEC_FAILED',
address: contractAddress,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
} catch (e) {
status = 0;
error = new Error('CONTRACT_EXEC_ERROR');
// emit event
const debugError = {
message: 'CONTRACT_EXEC_ERROR',
address: contractAddress,
error: e.message,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
}
_checkGas('afterContractCall');
}
}
const gasUsedAfterContractExecution = gasUsed;
const gasUsedInContractExecution = gasUsedAfterContractExecution.sub(gasUsedBeforeContractExecution);
const contractExecutionCost = gasUsedInContractExecution.mul(_tx.data.gasPrice);
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] execDuration =', (Math.round(execDuration * 1000000) / 1000000), ' seconds');
if (txCostEffective.gt(0)) {
// Gas payment
//const minerAccount = blockchain.getAccount(block.data.miner, true);
//const gasPaymentResult = minerAccount.transferFrom(accountFrom.address, txCostEffective);
const txDataGasPayment = {
from: accountFrom.address,
to: block.data.miner,
value: txCostEffective,
};
const [gasPaymentResult, gasPaymentLogs, transferReverted] = blockchain.transferEth(txDataGasPayment, block, true);
txLogs.push(...gasPaymentLogs);
if (gasPaymentResult) {
// gas payment success
} else {
// gas payment failed => reject transaction (and block)
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] Gas payment failed');
_rejectTransaction('GAS_PAYMENT_FAILED');
}
if (false) {
// DEBUG
const gasPercent = gasUsed.mul(100).div(this.data.gasLimit).toNumber();
const gasEffectivePercent = gasUsedEffective.mul(100).div(this.data.gasLimit).toNumber();
const costPercent = txCost.mul(100).div(txCostLimit).toNumber();
const costEffectivePercent = txCostEffective.mul(100).div(txCostLimit).toNumber();
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] txCostLimit =', ethers.utils.formatEther(txCostLimit));
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] txCostEffective =', ethers.utils.formatEther(txCostEffective));
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] gas % =', Math.round(gasPercent), '% =', Math.round(gasEffectivePercent), '%');
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] cost % =', Math.round(costPercent), '%', Math.round(costEffectivePercent), '%');
}
}
if (accountFrom.address != mintAddress) {
const accountFromBalanceAtEnd = blockchain.getAccountBalance(accountFrom.address);
if (accountFromBalanceAtEnd.lt(0)){
_rejectTransaction('TRANSACTION_FAILED_INSUFFICIENT_ETH_BALANCE_AT_END');
}
}
if (! status) {
// Transaction Failed
// Revert transfer
if (amountTransfered.gt(0)) {
const txDataRevert = {
...this.data,
from: this.data.to,
to: this.data.from,
value: amountTransfered,
};
const [transferResult, transferLogs, transferReverted] = blockchain.transferEth(txDataRevert, block);
// TODO: gerer le revert des internal transfers
}
txLogs.forEach(log => {
log.removed = true;
});
// Revert contract storage
if (contractExecuted) {
const contractAccount = blockchain.getAccount(contractAddress);
contractAccount.data.storage = JSON.parse(storageBackup, utils.bnJsonParser);
contractAccount.data.balance = balanceBackup;
} else if (amountTransfered) {
// on check aussi amountTransfered car le contrat peut avoir été exécuté via receive => TODO: process a revoir
const contractAccount = blockchain.getAccount(contractAddress);
if (contractAccount && contractAccount.isContract()) {
//contractAccount.data.storage = JSON.parse(storageBackup, utils.bnJsonParser);
//contractAccount.data.balance = balanceBackup;
// TODO
}
}
// Revert deployed contract
if (contractDeployed) {
// nothing to do ?
}
const gasPercent = gasUsed.mul(100).div(this.data.gasLimit).toNumber();
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] FAILED TRANSACTION ', this.data.hash, '| gas usage percent =', gasPercent, '%', ' | Error: ', error.message);
const realExecDuration = performance.now()/1000 - execTsStart; //parseFloat(process.hrtime(execTsStart).join('.'));
const realGasUsed = toBn(Math.round(realExecDuration * cpuPricePerSecond)); // TODO: prendre en compte le storage utilisé dans le calcul du gasUsed
const realGasPercent = realGasUsed.mul(100).div(this.data.gasLimit).toNumber();
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] FAILED TRANSACTION ', this.data.hash, '| real gas usage percent =', realGasPercent, '%', ' | Error: ', error.message);
} else {
// Transaction Success
// save contract storage
Object.entries(vmStorage).forEach((entry, idx) => {
const [contractAddress, contractStorage] = entry;
const contractAccount = blockchain.getAccount(contractAddress, true);
contractAccount.data.storage = contractStorage;
contractAccount.save();
});
// show result (debug)
const gasPercent = gasUsed.mul(100).div(this.data.gasLimit).toNumber();;
console.log(utils.getDate(), "[BLOCKCHAIN]", 'SUCCECSS TRANSACTION ', this.data.hash, '| gas usage percent =', gasPercent, '%');
}
// total gas utilisé dans le block
block.data.gasUsed = block.data.gasUsed.add(gasUsed);
// assign block data on logs
txLogs.forEach((txLog, idx) => {
txLog.data.transactionIndex = transactionIndex;
txLog.data.logIndex = logIndexOffset + idx;
txLog.data.transactionHash = this.data.hash;
txLog.data.blockHash = block.hash;
txLog.data.blockNumber = block.data.number;
});
const receiptData = {
transactionHash: this.data.hash,
transactionIndex: transactionIndex,
blockNumber: block.data.number,
blockHash: block.hash,
//logsBloom: '0x0000',
contractAddress: createdContractAddress,
gasUsed,
cumulativeGasUsed: block.data.gasUsed,
effectiveGasPrice: this.data.gasPrice,
effectiveCost: this.data.gasPrice.mul(gasUsed),
logs: txLogs,
status,
}
const receipt = new Receipt(blockchain, receiptData);
return [receipt, txLogs];
}",
executeTransactionContract: "(block) => {
let contractAddress = this.data.to;
const isNullRecipient = (! contractAddress || contractAddress.length <= 2);
if (isNullRecipient) {
throw new Error('CONTRACT_EXEC_ADDRESS_INVALID_BUG_1');
}
const contractAccount = blockchain.getAccount(contractAddress);
if (! contractAccount) {
throw new Error('CONTRACT_EXEC_ACCOUNT_NOT_FOUND');
}
// Execute existing contract method call
return blockchain.callContractMethodInVM(this.data, block);
}",
transactionDeployContract: "(block) => {
let contractAddress = this.data.to;
let contractAccount;
if (contractAddress && contractAddress.length > 2) {
throw new Error('CONTRACT_DEPLOY_ADDRESS_INVALID_BUG_2');
}
// CONTRACT CREATION
if (! this.data.data || this.data.data.length <= 2) {
throw new Error('CONTRACT_DEPLOY_INVALID_DATA_EMPTY_CODE');
}
// build contract address
contractAddress = ethers.utils.getContractAddress(this.data).toLocaleLowerCase();
// parse contract source code & constructor parameters
const codes = ethers.utils.defaultAbiCoder.decode(["string", "string"], this.data.data);
if (! codes) {
throw new Error('CONTRACT_DEPLOY_CODE_PARSING_FAILED');
}
const sourceCode = codes[0];
const constructorParams = codes[1];
const constructorRawParams = ethers.utils.defaultAbiCoder.encode(["string"], [constructorParams]);
const codeHash = ethers.utils.id(sourceCode);
const codeAbi = null; // l'abi sera généré une fois que le contrat aura été instancié
const storageHash = ethers.utils.id('{}');
// create new account
const accountData = {
address: contractAddress,
code: sourceCode,
codeHash,
codeAbi,
storage: {},
storageHash,
};
contractAccount = blockchain.createAccount(contractAddress, accountData);
// instanciate contract + call constructor + recuperer storage
const txData = {
from: this.data.from,
to: contractAddress,
data: constructorRawParams,
value: this.data.value.toHexString(),
};
const callResult = blockchain.deployContractInVM(txData, block);
const creationLogs = callResult.logs;
const vmStorage = callResult.storage;
// emit event
const eventParams = [
contractAddress,
];
const _txData = {
...this.data,
to: blockchain.getNullAddress(),
}
const deployLog = new TxLog(blockchain, null, _txData, 'ContractCreated', eventParams, deployAbi);
creationLogs.push(deployLog);
return {
result: contractAddress,
logs: creationLogs,
storage: vmStorage,
};
}",
timestamp: "1651572572819",
status: 1,
gasUsed: "2371"
},
0x15a7d8bf0c3ef7b0d877bd57e0410f1d73fe4bc4e3425a606f3dab8b44370584: {
data: {
blockHash: "0x00995e427a45c5fef2068e47722cab6cfedf79fa867f67a4183b56a24d67a629",
blockNumber: "10",
transactionIndex: 1,
hash: "0x15a7d8bf0c3ef7b0d877bd57e0410f1d73fe4bc4e3425a606f3dab8b44370584",
from: "0x131a190fa22cb867abf58193bf9e7640e9fce682",
gasLimit: "773200",
gasPrice: "1000000000",
data: 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nonce: "9",
to: "0x",
value: "0",
chainId: "3615",
origin: "1651572566256",
v: "1c61",
r: "59929cee33cb5db34421e6445095e373f112098a28fa78e51411c6d9c5e0877a",
s: "676b05cfcdcbcdc8f5ac9f2da3eb8834e505bd338f505afc9246ed44e9c09a93"
},
hash: "0x15a7d8bf0c3ef7b0d877bd57e0410f1d73fe4bc4e3425a606f3dab8b44370584",
load: "() => {
const transactionFile = config.node.dataDir + '/transactions/' + this.hash + '.json';
if (! fs.existsSync(transactionFile)) {
console.warn(utils.getDate(), "[BLOCKCHAIN]", 'IMPORT Transaction not found', this.hash);
throw new Error('IMPORT_TRANSACTION_NOT_FOUND_DATABASE_CORRUPTED');
}
const transactionJson = fs.readFileSync(transactionFile);
transactionData = JSON.parse(transactionJson, utils.bnJsonParser);
this.data = (typeof transactionData == 'TransactionData') ? transactionData : new TransactionData(transactionData);
return true;
}",
save: "() => {
const transactionFile = config.node.dataDir + '/transactions/' + this.hash + '.json';
fs.writeFileSync(transactionFile, JSON.stringify(this.data));
return true;
}",
getReceipt: "() => {
return blockchain.getTransactionReceiptByHash(this.hash);
}",
getBlock: "() => {
return blockchain.getBlockByHash(this.data.blockHash);
}",
getBlockTransationPrev: "() => {
const block = this.getBlock();
const txPrevIdx = (this.data.transactionIndex > 0) ? (this.data.transactionIndex-1) : null;
const tx = (block && txPrevIdx in block.transactions) ? block.transactions[txPrevIdx] : null;
return tx;
}",
getBlockTransationNext: "() => {
const block = this.getBlock();
const txNextIdx = (this.data.transactionIndex < block.transactions.length - 1) ? (this.data.transactionIndex+1) : null;
const tx = (block && txNextIdx in block.transactions) ? block.transactions[txNextIdx] : null;
return tx;
}",
getAccountTransactionIndex: "() => {
const account = blockchain.getAccount(this.data.from);
if (! account) {
return null;
}
const txIdx = account.data.transactions.findIndex(transactionHash => blockchain.getTransactionByHash(transactionHash).hash == this.hash);
if (txIdx === -1) {
return null;
}
return txIdx;
}",
getAccountTransationPrev: "() => {
const account = blockchain.getAccount(this.data.from);
if (! account) {
return null;
}
const txIdx = this.getAccountTransactionIndex();
if (txIdx === null) {
return null;
}
const txPrevIdx = (txIdx > 0) ? (txIdx-1) : null;
const transactionHash = (txPrevIdx in account.data.transactions) ? account.data.transactions[txPrevIdx] : null;
if (! transactionHash) {
return null;
}
return blockchain.getTransactionByHash(transactionHash);
}",
getAccountTransationNext: "() => {
const account = blockchain.getAccount(this.data.from);
if (! account) {
return null;
}
const txIdx = this.getAccountTransactionIndex();
if (txIdx === null) {
return null;
}
const txNextIdx = (txIdx < account.data.transactions.length - 1) ? (txIdx+1) : null;
const transactionHash = (txNextIdx in account.data.transactions) ? account.data.transactions[txNextIdx] : null;
if (! transactionHash) {
return null;
}
return blockchain.getTransactionByHash(transactionHash);
}",
formatRpc: "() => {
// https://github.com/ethers-io/ethers.js/blob/master/packages/abstract-provider/lib/index.d.ts
const to = (this.data.to && this.data.to.length == 42) ? this.data.to : null;
const _txData = {
blockHash: this.data.blockHash,
blockNumber: this.data.blockNumber.toNumber(),
transactionIndex: this.data.transactionIndex,
hash: this.data.hash,
from: this.data.from,
gasLimit: this.data.gasLimit.toHexString(),
gasPrice: this.data.gasPrice.toHexString(),
data: this.data.data,
nonce: this.data.nonce.toHexString(),
to,
value: this.data.value.toHexString(),
chainId: this.data.chainId.toNumber(),
//origin: this.data.origin.toHexString(),
};
return _txData;
}",
getHashOLD: "() => {
const _txData = {
gasPrice: this.data.gasPrice,
gasLimit: this.data.gasLimit,
from: this.data.from,
to: this.data.to,
value: this.data.value,
data: this.data.data,
nonce: this.data.nonce,
};
const strvalue = JSON.stringify(utils.orderedObject(_txData));
const transactionHash = ethers.utils.id(strvalue);
return transactionHash;
}",
getHash: "() => {
const _txData = {
gasPrice: this.data.gasPrice.toHexString(),
gasLimit: this.data.gasLimit.toHexString(),
from: this.data.from,
to: this.data.to,
value: this.data.value.toHexString(),
data: this.data.data,
nonce: this.data.nonce.toHexString(),
v: this.data.v ? ('0x' + this.data.v) : '',
r: this.data.r ? ('0x' + this.data.r) : '',
s: this.data.s ? ('0x' + this.data.s) : '',
};
const tx = new EthereumJS.Transaction(_txData);
const hashRaw = tx.hash();
const transactionHash = ethers.utils.defaultAbiCoder.decode(["uint256"], hashRaw)[0].toHexString();
return transactionHash;
}",
execute: "(block, transactionIndex, logIndexOffset) => {
const _tx = this;
function _rejectTransaction(reason) {
// https://openethereum.github.io/Transactions-Queue
reason = reason || 'unknown';
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] REJECTED PROCESSING TRANSACTION', _tx.data.hash, ' (Reason:', reason + ')');
const success = blockchain.removeTransactionsFromMempool([_tx.hash], true, true);
if (success) {
saveMempool();
}
throw new Error(reason); // on rejete definitivement la tx (elle ne sera pas minée ... et donc aucun frais de gas ne sera compté)
// et du coup on rejete le block
}
function _checkGas(step) {
execDuration = performance.now()/1000 - execTsStart; //parseFloat(process.hrtime(execTsStart).join('.'));
gasUsed = toBn(Math.round(execDuration * cpuPricePerSecond)); // TODO: prendre en compte le storage utilisé dans le calcul du gasUsed
txCost = gasUsed.mul(_tx.data.gasPrice);
if (step == 'afterTransfer') {
//debugger;
}
if (status) {
gasUsedEffective = gasUsed;
txCostEffective = gasUsedEffective.mul(_tx.data.gasPrice);
if (gasUsed.gt(_tx.data.gasLimit)) {
status = 0;
error = new Error('INSUFFICIENT_GAS');
gasUsedEffective = _tx.data.gasLimit;
txCostEffective = txCostLimit;
// emit event
const debugError = {
message: 'INSUFFICIENT_GAS',
step,
gasPrice: _tx.data.gasPrice,
gasLimit: _tx.data.gasLimit,
gasUsed,
gasUsedEffective,
txCostLimit,
txCost,
txCostEffective,
execDuration,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, _tx.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
}
}
//const block = this;
const txLogs = [];
let vmStorage = {};
let gasUsed = toBn(0);
let gasUsedEffective = toBn(0);
let status = 1;
let error = null;
let createdContractAddress = null;
let amountTransfered = toBn(0);
const contractAddress = this.data.to;
let storageBackup;
let balanceBackup;
let contractExecuted = false;
let contractDeployed = false;
const execTsStart = performance.now()/1000; //process.hrtime(); //Date.now();
let execDuration = 0;
const txCostLimit = this.data.gasLimit.mul(this.data.gasPrice);
let txCost = toBn(0);
let txCostEffective = toBn(0);
const accountFrom = blockchain.getAccount(this.data.from);
if (! accountFrom) {
_rejectTransaction('TRANSACTION_REJECTED_EMPTY_ACCOUNT');
}
const accountFromBalance = accountFrom.data.balance;
if (accountFrom.address != mintAddress) {
// verif nonce
const expectedNonce = toBn(accountFrom.data.transactions.length); // le nonce attendu est egal au nombre de transactions passées de l'account
if (! this.data.nonce.eq(expectedNonce)) {
_rejectTransaction('TRANSACTION_REJECTED_INCORRECT_NONCE');
}
// verif balance pour gas + transfer
if (this.data.value && this.data.value.gt(0)) {
if (accountFromBalance.lt(this.data.value.add(txCostLimit))) {
// l'adresse n'a pas suffisamment de fond pour executer la transaction (selon gasLimit)
// TODO: faut-il rejeter la tx ? ou la laisser passer (en status=0) et lui vider sa balance (si 100% du gas est utilisé) ?
//return _rejectTransaction('TRANSACTION_FAILED_INSUFFICIENT_ETH_BALANCE');
_rejectTransaction('TRANSACTION_REJECTED_INSUFFICIENT_ETH_BALANCE');
}
}
}
_checkGas('init');
if (status) {
if (this.data.value && this.data.value.gt(0) && contractAddress && contractAddress.length > 2) {
// Transfer la valeur demandée (simple ETH transaction)
const [transferResult, transferLogs, transferReverted] = blockchain.transferEth(this.data, block);
txLogs.push( ...transferLogs );
// si recipient == contract => on transfer quand meme dès maintenant => TODO: a revoir (le transferEth declenche un appel à receive ... avant meme de savoir si unne methode payable doit etre appelée. Probleme si receive provoque un revert => la fonction payable ne sera pas appelée)
// 1) si methode payable appellée, on l'execute
// 2) si methode non payable => on appelle receive juste avant
// 3) si methode inconnue => revert
if (transferResult && transferReverted) {
// reverted (after transfer)
amountTransfered = this.data.value;
status = 0;
error = new Error('TRANSFER_REVERTED');
} else if (transferResult) {
// success
amountTransfered = this.data.value;
} else {
// transfer failed
status = 0;
error = new Error('TRANSFER_FAILED');
}
}
_checkGas('afterTransfer');
}
const gasUsedBeforeContractExecution = gasUsed;
if (status && this.data.data && this.data.data != '0x') {
// Traitement du champ data de la transaction (smart contract call)
if (!contractAddress || contractAddress == '0x') {
// contract creation
contractDeployed = true;
let contractExecResult;
try {
contractExecResult = this.transactionDeployContract(block);
const creationLogs = contractExecResult.logs;
vmStorage = contractExecResult.storage;
if (creationLogs.length) {
txLogs.push( ...creationLogs );
}
if (! contractExecResult.result) {
// Deploy Failed
status = 0;
error = new Error('CONTRACT_CREATION_FAILED');
// emit event
const debugError = {
message: 'CONTRACT_CREATION_FAILED',
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
} else {
// Deploy Success
createdContractAddress = contractExecResult.result.toLowerCase();
if (this.data.value.gt(0)) {
// Transfer tx value to contract
const _txData = {
...this.data,
to: createdContractAddress,
};
const [transferResult, transferLogs, transferReverted] = blockchain.transferEth(_txData, block);
txLogs.push( ...transferLogs );
if (transferResult) {
amountTransfered = this.data.value;
} else {
status = 0;
error = new Error('CONTRACT_CREATION_TRANSFER_FAILED');
}
}
// TODO: emit event CONTRACT_CREATION_SUCCESS ?
}
} catch (e) {
//console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] Cannot execute transaction');
//throw e;
status = 0;
error = new Error('CONTRACT_CREATION_ERROR');
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] CONTRACT_CREATION_ERROR with message', e.message)
// emit event
const debugError = {
message: 'CONTRACT_CREATION_ERROR',
error: e.message,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
_checkGas('afterContractCreation');
} else {
// contract execution
const contractAccount = blockchain.getAccount(contractAddress);
if (! contractAccount) {
status = 0;
error = new Error('CONTRACT_ACCOUNT_NOT_FOUND');
// emit event
const debugError = {
message: 'CONTRACT_ACCOUNT_NOT_FOUND',
address: contractAddress,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
if (status) {
storageBackup = JSON.stringify(contractAccount.data.storage);
balanceBackup = contractAccount.data.balance;
contractExecuted = true;
try {
const contractExecResult = this.executeTransactionContract(block);
const internalLogs = contractExecResult.logs;
vmStorage = contractExecResult.storage;
if (internalLogs.length) {
txLogs.push( ...internalLogs );
}
if (! contractExecResult.result) {
status = 0;
error = new Error('CONTRACT_EXEC_FAILED');
// emit event
const debugError = {
message: 'CONTRACT_EXEC_FAILED',
address: contractAddress,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
} catch (e) {
status = 0;
error = new Error('CONTRACT_EXEC_ERROR');
// emit event
const debugError = {
message: 'CONTRACT_EXEC_ERROR',
address: contractAddress,
error: e.message,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
}
_checkGas('afterContractCall');
}
}
const gasUsedAfterContractExecution = gasUsed;
const gasUsedInContractExecution = gasUsedAfterContractExecution.sub(gasUsedBeforeContractExecution);
const contractExecutionCost = gasUsedInContractExecution.mul(_tx.data.gasPrice);
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] execDuration =', (Math.round(execDuration * 1000000) / 1000000), ' seconds');
if (txCostEffective.gt(0)) {
// Gas payment
//const minerAccount = blockchain.getAccount(block.data.miner, true);
//const gasPaymentResult = minerAccount.transferFrom(accountFrom.address, txCostEffective);
const txDataGasPayment = {
from: accountFrom.address,
to: block.data.miner,
value: txCostEffective,
};
const [gasPaymentResult, gasPaymentLogs, transferReverted] = blockchain.transferEth(txDataGasPayment, block, true);
txLogs.push(...gasPaymentLogs);
if (gasPaymentResult) {
// gas payment success
} else {
// gas payment failed => reject transaction (and block)
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] Gas payment failed');
_rejectTransaction('GAS_PAYMENT_FAILED');
}
if (false) {
// DEBUG
const gasPercent = gasUsed.mul(100).div(this.data.gasLimit).toNumber();
const gasEffectivePercent = gasUsedEffective.mul(100).div(this.data.gasLimit).toNumber();
const costPercent = txCost.mul(100).div(txCostLimit).toNumber();
const costEffectivePercent = txCostEffective.mul(100).div(txCostLimit).toNumber();
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] txCostLimit =', ethers.utils.formatEther(txCostLimit));
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] txCostEffective =', ethers.utils.formatEther(txCostEffective));
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] gas % =', Math.round(gasPercent), '% =', Math.round(gasEffectivePercent), '%');
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] cost % =', Math.round(costPercent), '%', Math.round(costEffectivePercent), '%');
}
}
if (accountFrom.address != mintAddress) {
const accountFromBalanceAtEnd = blockchain.getAccountBalance(accountFrom.address);
if (accountFromBalanceAtEnd.lt(0)){
_rejectTransaction('TRANSACTION_FAILED_INSUFFICIENT_ETH_BALANCE_AT_END');
}
}
if (! status) {
// Transaction Failed
// Revert transfer
if (amountTransfered.gt(0)) {
const txDataRevert = {
...this.data,
from: this.data.to,
to: this.data.from,
value: amountTransfered,
};
const [transferResult, transferLogs, transferReverted] = blockchain.transferEth(txDataRevert, block);
// TODO: gerer le revert des internal transfers
}
txLogs.forEach(log => {
log.removed = true;
});
// Revert contract storage
if (contractExecuted) {
const contractAccount = blockchain.getAccount(contractAddress);
contractAccount.data.storage = JSON.parse(storageBackup, utils.bnJsonParser);
contractAccount.data.balance = balanceBackup;
} else if (amountTransfered) {
// on check aussi amountTransfered car le contrat peut avoir été exécuté via receive => TODO: process a revoir
const contractAccount = blockchain.getAccount(contractAddress);
if (contractAccount && contractAccount.isContract()) {
//contractAccount.data.storage = JSON.parse(storageBackup, utils.bnJsonParser);
//contractAccount.data.balance = balanceBackup;
// TODO
}
}
// Revert deployed contract
if (contractDeployed) {
// nothing to do ?
}
const gasPercent = gasUsed.mul(100).div(this.data.gasLimit).toNumber();
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] FAILED TRANSACTION ', this.data.hash, '| gas usage percent =', gasPercent, '%', ' | Error: ', error.message);
const realExecDuration = performance.now()/1000 - execTsStart; //parseFloat(process.hrtime(execTsStart).join('.'));
const realGasUsed = toBn(Math.round(realExecDuration * cpuPricePerSecond)); // TODO: prendre en compte le storage utilisé dans le calcul du gasUsed
const realGasPercent = realGasUsed.mul(100).div(this.data.gasLimit).toNumber();
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] FAILED TRANSACTION ', this.data.hash, '| real gas usage percent =', realGasPercent, '%', ' | Error: ', error.message);
} else {
// Transaction Success
// save contract storage
Object.entries(vmStorage).forEach((entry, idx) => {
const [contractAddress, contractStorage] = entry;
const contractAccount = blockchain.getAccount(contractAddress, true);
contractAccount.data.storage = contractStorage;
contractAccount.save();
});
// show result (debug)
const gasPercent = gasUsed.mul(100).div(this.data.gasLimit).toNumber();;
console.log(utils.getDate(), "[BLOCKCHAIN]", 'SUCCECSS TRANSACTION ', this.data.hash, '| gas usage percent =', gasPercent, '%');
}
// total gas utilisé dans le block
block.data.gasUsed = block.data.gasUsed.add(gasUsed);
// assign block data on logs
txLogs.forEach((txLog, idx) => {
txLog.data.transactionIndex = transactionIndex;
txLog.data.logIndex = logIndexOffset + idx;
txLog.data.transactionHash = this.data.hash;
txLog.data.blockHash = block.hash;
txLog.data.blockNumber = block.data.number;
});
const receiptData = {
transactionHash: this.data.hash,
transactionIndex: transactionIndex,
blockNumber: block.data.number,
blockHash: block.hash,
//logsBloom: '0x0000',
contractAddress: createdContractAddress,
gasUsed,
cumulativeGasUsed: block.data.gasUsed,
effectiveGasPrice: this.data.gasPrice,
effectiveCost: this.data.gasPrice.mul(gasUsed),
logs: txLogs,
status,
}
const receipt = new Receipt(blockchain, receiptData);
return [receipt, txLogs];
}",
executeTransactionContract: "(block) => {
let contractAddress = this.data.to;
const isNullRecipient = (! contractAddress || contractAddress.length <= 2);
if (isNullRecipient) {
throw new Error('CONTRACT_EXEC_ADDRESS_INVALID_BUG_1');
}
const contractAccount = blockchain.getAccount(contractAddress);
if (! contractAccount) {
throw new Error('CONTRACT_EXEC_ACCOUNT_NOT_FOUND');
}
// Execute existing contract method call
return blockchain.callContractMethodInVM(this.data, block);
}",
transactionDeployContract: "(block) => {
let contractAddress = this.data.to;
let contractAccount;
if (contractAddress && contractAddress.length > 2) {
throw new Error('CONTRACT_DEPLOY_ADDRESS_INVALID_BUG_2');
}
// CONTRACT CREATION
if (! this.data.data || this.data.data.length <= 2) {
throw new Error('CONTRACT_DEPLOY_INVALID_DATA_EMPTY_CODE');
}
// build contract address
contractAddress = ethers.utils.getContractAddress(this.data).toLocaleLowerCase();
// parse contract source code & constructor parameters
const codes = ethers.utils.defaultAbiCoder.decode(["string", "string"], this.data.data);
if (! codes) {
throw new Error('CONTRACT_DEPLOY_CODE_PARSING_FAILED');
}
const sourceCode = codes[0];
const constructorParams = codes[1];
const constructorRawParams = ethers.utils.defaultAbiCoder.encode(["string"], [constructorParams]);
const codeHash = ethers.utils.id(sourceCode);
const codeAbi = null; // l'abi sera généré une fois que le contrat aura été instancié
const storageHash = ethers.utils.id('{}');
// create new account
const accountData = {
address: contractAddress,
code: sourceCode,
codeHash,
codeAbi,
storage: {},
storageHash,
};
contractAccount = blockchain.createAccount(contractAddress, accountData);
// instanciate contract + call constructor + recuperer storage
const txData = {
from: this.data.from,
to: contractAddress,
data: constructorRawParams,
value: this.data.value.toHexString(),
};
const callResult = blockchain.deployContractInVM(txData, block);
const creationLogs = callResult.logs;
const vmStorage = callResult.storage;
// emit event
const eventParams = [
contractAddress,
];
const _txData = {
...this.data,
to: blockchain.getNullAddress(),
}
const deployLog = new TxLog(blockchain, null, _txData, 'ContractCreated', eventParams, deployAbi);
creationLogs.push(deployLog);
return {
result: contractAddress,
logs: creationLogs,
storage: vmStorage,
};
}",
timestamp: "1651572572819",
status: 1,
gasUsed: "15563"
},
0x41b01d5cf0ac57ead682903fef63b69ac9dbfb9cddf90ad94423ecac16fd6a44: {
data: {
blockHash: "0x00a5f0a942a24b2965f4c5c46e76099952b74c10e6ec7160cecad9d9290f80cb",
blockNumber: "11",
transactionIndex: 0,
hash: "0x41b01d5cf0ac57ead682903fef63b69ac9dbfb9cddf90ad94423ecac16fd6a44",
from: "0x0000000000000000000000000000000000000001",
gasLimit: "1000000000000000000",
gasPrice: "0",
data: "0x",
nonce: "10",
to: "0xccf8ba457dcad7ee6a0361c96846a0f79744b113",
value: "250000000000000000000",
chainId: "3615",
origin: "1651572577821",
v: "",
r: "",
s: ""
},
hash: "0x41b01d5cf0ac57ead682903fef63b69ac9dbfb9cddf90ad94423ecac16fd6a44",
load: "() => {
const transactionFile = config.node.dataDir + '/transactions/' + this.hash + '.json';
if (! fs.existsSync(transactionFile)) {
console.warn(utils.getDate(), "[BLOCKCHAIN]", 'IMPORT Transaction not found', this.hash);
throw new Error('IMPORT_TRANSACTION_NOT_FOUND_DATABASE_CORRUPTED');
}
const transactionJson = fs.readFileSync(transactionFile);
transactionData = JSON.parse(transactionJson, utils.bnJsonParser);
this.data = (typeof transactionData == 'TransactionData') ? transactionData : new TransactionData(transactionData);
return true;
}",
save: "() => {
const transactionFile = config.node.dataDir + '/transactions/' + this.hash + '.json';
fs.writeFileSync(transactionFile, JSON.stringify(this.data));
return true;
}",
getReceipt: "() => {
return blockchain.getTransactionReceiptByHash(this.hash);
}",
getBlock: "() => {
return blockchain.getBlockByHash(this.data.blockHash);
}",
getBlockTransationPrev: "() => {
const block = this.getBlock();
const txPrevIdx = (this.data.transactionIndex > 0) ? (this.data.transactionIndex-1) : null;
const tx = (block && txPrevIdx in block.transactions) ? block.transactions[txPrevIdx] : null;
return tx;
}",
getBlockTransationNext: "() => {
const block = this.getBlock();
const txNextIdx = (this.data.transactionIndex < block.transactions.length - 1) ? (this.data.transactionIndex+1) : null;
const tx = (block && txNextIdx in block.transactions) ? block.transactions[txNextIdx] : null;
return tx;
}",
getAccountTransactionIndex: "() => {
const account = blockchain.getAccount(this.data.from);
if (! account) {
return null;
}
const txIdx = account.data.transactions.findIndex(transactionHash => blockchain.getTransactionByHash(transactionHash).hash == this.hash);
if (txIdx === -1) {
return null;
}
return txIdx;
}",
getAccountTransationPrev: "() => {
const account = blockchain.getAccount(this.data.from);
if (! account) {
return null;
}
const txIdx = this.getAccountTransactionIndex();
if (txIdx === null) {
return null;
}
const txPrevIdx = (txIdx > 0) ? (txIdx-1) : null;
const transactionHash = (txPrevIdx in account.data.transactions) ? account.data.transactions[txPrevIdx] : null;
if (! transactionHash) {
return null;
}
return blockchain.getTransactionByHash(transactionHash);
}",
getAccountTransationNext: "() => {
const account = blockchain.getAccount(this.data.from);
if (! account) {
return null;
}
const txIdx = this.getAccountTransactionIndex();
if (txIdx === null) {
return null;
}
const txNextIdx = (txIdx < account.data.transactions.length - 1) ? (txIdx+1) : null;
const transactionHash = (txNextIdx in account.data.transactions) ? account.data.transactions[txNextIdx] : null;
if (! transactionHash) {
return null;
}
return blockchain.getTransactionByHash(transactionHash);
}",
formatRpc: "() => {
// https://github.com/ethers-io/ethers.js/blob/master/packages/abstract-provider/lib/index.d.ts
const to = (this.data.to && this.data.to.length == 42) ? this.data.to : null;
const _txData = {
blockHash: this.data.blockHash,
blockNumber: this.data.blockNumber.toNumber(),
transactionIndex: this.data.transactionIndex,
hash: this.data.hash,
from: this.data.from,
gasLimit: this.data.gasLimit.toHexString(),
gasPrice: this.data.gasPrice.toHexString(),
data: this.data.data,
nonce: this.data.nonce.toHexString(),
to,
value: this.data.value.toHexString(),
chainId: this.data.chainId.toNumber(),
//origin: this.data.origin.toHexString(),
};
return _txData;
}",
getHashOLD: "() => {
const _txData = {
gasPrice: this.data.gasPrice,
gasLimit: this.data.gasLimit,
from: this.data.from,
to: this.data.to,
value: this.data.value,
data: this.data.data,
nonce: this.data.nonce,
};
const strvalue = JSON.stringify(utils.orderedObject(_txData));
const transactionHash = ethers.utils.id(strvalue);
return transactionHash;
}",
getHash: "() => {
const _txData = {
gasPrice: this.data.gasPrice.toHexString(),
gasLimit: this.data.gasLimit.toHexString(),
from: this.data.from,
to: this.data.to,
value: this.data.value.toHexString(),
data: this.data.data,
nonce: this.data.nonce.toHexString(),
v: this.data.v ? ('0x' + this.data.v) : '',
r: this.data.r ? ('0x' + this.data.r) : '',
s: this.data.s ? ('0x' + this.data.s) : '',
};
const tx = new EthereumJS.Transaction(_txData);
const hashRaw = tx.hash();
const transactionHash = ethers.utils.defaultAbiCoder.decode(["uint256"], hashRaw)[0].toHexString();
return transactionHash;
}",
execute: "(block, transactionIndex, logIndexOffset) => {
const _tx = this;
function _rejectTransaction(reason) {
// https://openethereum.github.io/Transactions-Queue
reason = reason || 'unknown';
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] REJECTED PROCESSING TRANSACTION', _tx.data.hash, ' (Reason:', reason + ')');
const success = blockchain.removeTransactionsFromMempool([_tx.hash], true, true);
if (success) {
saveMempool();
}
throw new Error(reason); // on rejete definitivement la tx (elle ne sera pas minée ... et donc aucun frais de gas ne sera compté)
// et du coup on rejete le block
}
function _checkGas(step) {
execDuration = performance.now()/1000 - execTsStart; //parseFloat(process.hrtime(execTsStart).join('.'));
gasUsed = toBn(Math.round(execDuration * cpuPricePerSecond)); // TODO: prendre en compte le storage utilisé dans le calcul du gasUsed
txCost = gasUsed.mul(_tx.data.gasPrice);
if (step == 'afterTransfer') {
//debugger;
}
if (status) {
gasUsedEffective = gasUsed;
txCostEffective = gasUsedEffective.mul(_tx.data.gasPrice);
if (gasUsed.gt(_tx.data.gasLimit)) {
status = 0;
error = new Error('INSUFFICIENT_GAS');
gasUsedEffective = _tx.data.gasLimit;
txCostEffective = txCostLimit;
// emit event
const debugError = {
message: 'INSUFFICIENT_GAS',
step,
gasPrice: _tx.data.gasPrice,
gasLimit: _tx.data.gasLimit,
gasUsed,
gasUsedEffective,
txCostLimit,
txCost,
txCostEffective,
execDuration,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, _tx.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
}
}
//const block = this;
const txLogs = [];
let vmStorage = {};
let gasUsed = toBn(0);
let gasUsedEffective = toBn(0);
let status = 1;
let error = null;
let createdContractAddress = null;
let amountTransfered = toBn(0);
const contractAddress = this.data.to;
let storageBackup;
let balanceBackup;
let contractExecuted = false;
let contractDeployed = false;
const execTsStart = performance.now()/1000; //process.hrtime(); //Date.now();
let execDuration = 0;
const txCostLimit = this.data.gasLimit.mul(this.data.gasPrice);
let txCost = toBn(0);
let txCostEffective = toBn(0);
const accountFrom = blockchain.getAccount(this.data.from);
if (! accountFrom) {
_rejectTransaction('TRANSACTION_REJECTED_EMPTY_ACCOUNT');
}
const accountFromBalance = accountFrom.data.balance;
if (accountFrom.address != mintAddress) {
// verif nonce
const expectedNonce = toBn(accountFrom.data.transactions.length); // le nonce attendu est egal au nombre de transactions passées de l'account
if (! this.data.nonce.eq(expectedNonce)) {
_rejectTransaction('TRANSACTION_REJECTED_INCORRECT_NONCE');
}
// verif balance pour gas + transfer
if (this.data.value && this.data.value.gt(0)) {
if (accountFromBalance.lt(this.data.value.add(txCostLimit))) {
// l'adresse n'a pas suffisamment de fond pour executer la transaction (selon gasLimit)
// TODO: faut-il rejeter la tx ? ou la laisser passer (en status=0) et lui vider sa balance (si 100% du gas est utilisé) ?
//return _rejectTransaction('TRANSACTION_FAILED_INSUFFICIENT_ETH_BALANCE');
_rejectTransaction('TRANSACTION_REJECTED_INSUFFICIENT_ETH_BALANCE');
}
}
}
_checkGas('init');
if (status) {
if (this.data.value && this.data.value.gt(0) && contractAddress && contractAddress.length > 2) {
// Transfer la valeur demandée (simple ETH transaction)
const [transferResult, transferLogs, transferReverted] = blockchain.transferEth(this.data, block);
txLogs.push( ...transferLogs );
// si recipient == contract => on transfer quand meme dès maintenant => TODO: a revoir (le transferEth declenche un appel à receive ... avant meme de savoir si unne methode payable doit etre appelée. Probleme si receive provoque un revert => la fonction payable ne sera pas appelée)
// 1) si methode payable appellée, on l'execute
// 2) si methode non payable => on appelle receive juste avant
// 3) si methode inconnue => revert
if (transferResult && transferReverted) {
// reverted (after transfer)
amountTransfered = this.data.value;
status = 0;
error = new Error('TRANSFER_REVERTED');
} else if (transferResult) {
// success
amountTransfered = this.data.value;
} else {
// transfer failed
status = 0;
error = new Error('TRANSFER_FAILED');
}
}
_checkGas('afterTransfer');
}
const gasUsedBeforeContractExecution = gasUsed;
if (status && this.data.data && this.data.data != '0x') {
// Traitement du champ data de la transaction (smart contract call)
if (!contractAddress || contractAddress == '0x') {
// contract creation
contractDeployed = true;
let contractExecResult;
try {
contractExecResult = this.transactionDeployContract(block);
const creationLogs = contractExecResult.logs;
vmStorage = contractExecResult.storage;
if (creationLogs.length) {
txLogs.push( ...creationLogs );
}
if (! contractExecResult.result) {
// Deploy Failed
status = 0;
error = new Error('CONTRACT_CREATION_FAILED');
// emit event
const debugError = {
message: 'CONTRACT_CREATION_FAILED',
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
} else {
// Deploy Success
createdContractAddress = contractExecResult.result.toLowerCase();
if (this.data.value.gt(0)) {
// Transfer tx value to contract
const _txData = {
...this.data,
to: createdContractAddress,
};
const [transferResult, transferLogs, transferReverted] = blockchain.transferEth(_txData, block);
txLogs.push( ...transferLogs );
if (transferResult) {
amountTransfered = this.data.value;
} else {
status = 0;
error = new Error('CONTRACT_CREATION_TRANSFER_FAILED');
}
}
// TODO: emit event CONTRACT_CREATION_SUCCESS ?
}
} catch (e) {
//console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] Cannot execute transaction');
//throw e;
status = 0;
error = new Error('CONTRACT_CREATION_ERROR');
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] CONTRACT_CREATION_ERROR with message', e.message)
// emit event
const debugError = {
message: 'CONTRACT_CREATION_ERROR',
error: e.message,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
_checkGas('afterContractCreation');
} else {
// contract execution
const contractAccount = blockchain.getAccount(contractAddress);
if (! contractAccount) {
status = 0;
error = new Error('CONTRACT_ACCOUNT_NOT_FOUND');
// emit event
const debugError = {
message: 'CONTRACT_ACCOUNT_NOT_FOUND',
address: contractAddress,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
if (status) {
storageBackup = JSON.stringify(contractAccount.data.storage);
balanceBackup = contractAccount.data.balance;
contractExecuted = true;
try {
const contractExecResult = this.executeTransactionContract(block);
const internalLogs = contractExecResult.logs;
vmStorage = contractExecResult.storage;
if (internalLogs.length) {
txLogs.push( ...internalLogs );
}
if (! contractExecResult.result) {
status = 0;
error = new Error('CONTRACT_EXEC_FAILED');
// emit event
const debugError = {
message: 'CONTRACT_EXEC_FAILED',
address: contractAddress,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
} catch (e) {
status = 0;
error = new Error('CONTRACT_EXEC_ERROR');
// emit event
const debugError = {
message: 'CONTRACT_EXEC_ERROR',
address: contractAddress,
error: e.message,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
}
_checkGas('afterContractCall');
}
}
const gasUsedAfterContractExecution = gasUsed;
const gasUsedInContractExecution = gasUsedAfterContractExecution.sub(gasUsedBeforeContractExecution);
const contractExecutionCost = gasUsedInContractExecution.mul(_tx.data.gasPrice);
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] execDuration =', (Math.round(execDuration * 1000000) / 1000000), ' seconds');
if (txCostEffective.gt(0)) {
// Gas payment
//const minerAccount = blockchain.getAccount(block.data.miner, true);
//const gasPaymentResult = minerAccount.transferFrom(accountFrom.address, txCostEffective);
const txDataGasPayment = {
from: accountFrom.address,
to: block.data.miner,
value: txCostEffective,
};
const [gasPaymentResult, gasPaymentLogs, transferReverted] = blockchain.transferEth(txDataGasPayment, block, true);
txLogs.push(...gasPaymentLogs);
if (gasPaymentResult) {
// gas payment success
} else {
// gas payment failed => reject transaction (and block)
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] Gas payment failed');
_rejectTransaction('GAS_PAYMENT_FAILED');
}
if (false) {
// DEBUG
const gasPercent = gasUsed.mul(100).div(this.data.gasLimit).toNumber();
const gasEffectivePercent = gasUsedEffective.mul(100).div(this.data.gasLimit).toNumber();
const costPercent = txCost.mul(100).div(txCostLimit).toNumber();
const costEffectivePercent = txCostEffective.mul(100).div(txCostLimit).toNumber();
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] txCostLimit =', ethers.utils.formatEther(txCostLimit));
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] txCostEffective =', ethers.utils.formatEther(txCostEffective));
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] gas % =', Math.round(gasPercent), '% =', Math.round(gasEffectivePercent), '%');
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] cost % =', Math.round(costPercent), '%', Math.round(costEffectivePercent), '%');
}
}
if (accountFrom.address != mintAddress) {
const accountFromBalanceAtEnd = blockchain.getAccountBalance(accountFrom.address);
if (accountFromBalanceAtEnd.lt(0)){
_rejectTransaction('TRANSACTION_FAILED_INSUFFICIENT_ETH_BALANCE_AT_END');
}
}
if (! status) {
// Transaction Failed
// Revert transfer
if (amountTransfered.gt(0)) {
const txDataRevert = {
...this.data,
from: this.data.to,
to: this.data.from,
value: amountTransfered,
};
const [transferResult, transferLogs, transferReverted] = blockchain.transferEth(txDataRevert, block);
// TODO: gerer le revert des internal transfers
}
txLogs.forEach(log => {
log.removed = true;
});
// Revert contract storage
if (contractExecuted) {
const contractAccount = blockchain.getAccount(contractAddress);
contractAccount.data.storage = JSON.parse(storageBackup, utils.bnJsonParser);
contractAccount.data.balance = balanceBackup;
} else if (amountTransfered) {
// on check aussi amountTransfered car le contrat peut avoir été exécuté via receive => TODO: process a revoir
const contractAccount = blockchain.getAccount(contractAddress);
if (contractAccount && contractAccount.isContract()) {
//contractAccount.data.storage = JSON.parse(storageBackup, utils.bnJsonParser);
//contractAccount.data.balance = balanceBackup;
// TODO
}
}
// Revert deployed contract
if (contractDeployed) {
// nothing to do ?
}
const gasPercent = gasUsed.mul(100).div(this.data.gasLimit).toNumber();
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] FAILED TRANSACTION ', this.data.hash, '| gas usage percent =', gasPercent, '%', ' | Error: ', error.message);
const realExecDuration = performance.now()/1000 - execTsStart; //parseFloat(process.hrtime(execTsStart).join('.'));
const realGasUsed = toBn(Math.round(realExecDuration * cpuPricePerSecond)); // TODO: prendre en compte le storage utilisé dans le calcul du gasUsed
const realGasPercent = realGasUsed.mul(100).div(this.data.gasLimit).toNumber();
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] FAILED TRANSACTION ', this.data.hash, '| real gas usage percent =', realGasPercent, '%', ' | Error: ', error.message);
} else {
// Transaction Success
// save contract storage
Object.entries(vmStorage).forEach((entry, idx) => {
const [contractAddress, contractStorage] = entry;
const contractAccount = blockchain.getAccount(contractAddress, true);
contractAccount.data.storage = contractStorage;
contractAccount.save();
});
// show result (debug)
const gasPercent = gasUsed.mul(100).div(this.data.gasLimit).toNumber();;
console.log(utils.getDate(), "[BLOCKCHAIN]", 'SUCCECSS TRANSACTION ', this.data.hash, '| gas usage percent =', gasPercent, '%');
}
// total gas utilisé dans le block
block.data.gasUsed = block.data.gasUsed.add(gasUsed);
// assign block data on logs
txLogs.forEach((txLog, idx) => {
txLog.data.transactionIndex = transactionIndex;
txLog.data.logIndex = logIndexOffset + idx;
txLog.data.transactionHash = this.data.hash;
txLog.data.blockHash = block.hash;
txLog.data.blockNumber = block.data.number;
});
const receiptData = {
transactionHash: this.data.hash,
transactionIndex: transactionIndex,
blockNumber: block.data.number,
blockHash: block.hash,
//logsBloom: '0x0000',
contractAddress: createdContractAddress,
gasUsed,
cumulativeGasUsed: block.data.gasUsed,
effectiveGasPrice: this.data.gasPrice,
effectiveCost: this.data.gasPrice.mul(gasUsed),
logs: txLogs,
status,
}
const receipt = new Receipt(blockchain, receiptData);
return [receipt, txLogs];
}",
executeTransactionContract: "(block) => {
let contractAddress = this.data.to;
const isNullRecipient = (! contractAddress || contractAddress.length <= 2);
if (isNullRecipient) {
throw new Error('CONTRACT_EXEC_ADDRESS_INVALID_BUG_1');
}
const contractAccount = blockchain.getAccount(contractAddress);
if (! contractAccount) {
throw new Error('CONTRACT_EXEC_ACCOUNT_NOT_FOUND');
}
// Execute existing contract method call
return blockchain.callContractMethodInVM(this.data, block);
}",
transactionDeployContract: "(block) => {
let contractAddress = this.data.to;
let contractAccount;
if (contractAddress && contractAddress.length > 2) {
throw new Error('CONTRACT_DEPLOY_ADDRESS_INVALID_BUG_2');
}
// CONTRACT CREATION
if (! this.data.data || this.data.data.length <= 2) {
throw new Error('CONTRACT_DEPLOY_INVALID_DATA_EMPTY_CODE');
}
// build contract address
contractAddress = ethers.utils.getContractAddress(this.data).toLocaleLowerCase();
// parse contract source code & constructor parameters
const codes = ethers.utils.defaultAbiCoder.decode(["string", "string"], this.data.data);
if (! codes) {
throw new Error('CONTRACT_DEPLOY_CODE_PARSING_FAILED');
}
const sourceCode = codes[0];
const constructorParams = codes[1];
const constructorRawParams = ethers.utils.defaultAbiCoder.encode(["string"], [constructorParams]);
const codeHash = ethers.utils.id(sourceCode);
const codeAbi = null; // l'abi sera généré une fois que le contrat aura été instancié
const storageHash = ethers.utils.id('{}');
// create new account
const accountData = {
address: contractAddress,
code: sourceCode,
codeHash,
codeAbi,
storage: {},
storageHash,
};
contractAccount = blockchain.createAccount(contractAddress, accountData);
// instanciate contract + call constructor + recuperer storage
const txData = {
from: this.data.from,
to: contractAddress,
data: constructorRawParams,
value: this.data.value.toHexString(),
};
const callResult = blockchain.deployContractInVM(txData, block);
const creationLogs = callResult.logs;
const vmStorage = callResult.storage;
// emit event
const eventParams = [
contractAddress,
];
const _txData = {
...this.data,
to: blockchain.getNullAddress(),
}
const deployLog = new TxLog(blockchain, null, _txData, 'ContractCreated', eventParams, deployAbi);
creationLogs.push(deployLog);
return {
result: contractAddress,
logs: creationLogs,
storage: vmStorage,
};
}",
timestamp: "1651572579441",
status: 1,
gasUsed: "2427"
},
0xd35ada50d67fe104087551ffcc9b05db08902ced472e9d26982fce6f59b66cf1: {
data: {
blockHash: "0x00a5f0a942a24b2965f4c5c46e76099952b74c10e6ec7160cecad9d9290f80cb",
blockNumber: "11",
transactionIndex: 1,
hash: "0xd35ada50d67fe104087551ffcc9b05db08902ced472e9d26982fce6f59b66cf1",
from: "0x131a190fa22cb867abf58193bf9e7640e9fce682",
gasLimit: "987250",
gasPrice: "1000000000",
data: 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nonce: "10",
to: "0x",
value: "0",
chainId: "3615",
origin: "1651572575597",
v: "1c62",
r: "9f401c8da69afce6b0386fe070ad3f5590f4a9145f392e4fc9157a1efdda51fd",
s: "7893ea5244c46eef14522140de92b977b08999aea6e49de661916914afcd55b7"
},
hash: "0xd35ada50d67fe104087551ffcc9b05db08902ced472e9d26982fce6f59b66cf1",
load: "() => {
const transactionFile = config.node.dataDir + '/transactions/' + this.hash + '.json';
if (! fs.existsSync(transactionFile)) {
console.warn(utils.getDate(), "[BLOCKCHAIN]", 'IMPORT Transaction not found', this.hash);
throw new Error('IMPORT_TRANSACTION_NOT_FOUND_DATABASE_CORRUPTED');
}
const transactionJson = fs.readFileSync(transactionFile);
transactionData = JSON.parse(transactionJson, utils.bnJsonParser);
this.data = (typeof transactionData == 'TransactionData') ? transactionData : new TransactionData(transactionData);
return true;
}",
save: "() => {
const transactionFile = config.node.dataDir + '/transactions/' + this.hash + '.json';
fs.writeFileSync(transactionFile, JSON.stringify(this.data));
return true;
}",
getReceipt: "() => {
return blockchain.getTransactionReceiptByHash(this.hash);
}",
getBlock: "() => {
return blockchain.getBlockByHash(this.data.blockHash);
}",
getBlockTransationPrev: "() => {
const block = this.getBlock();
const txPrevIdx = (this.data.transactionIndex > 0) ? (this.data.transactionIndex-1) : null;
const tx = (block && txPrevIdx in block.transactions) ? block.transactions[txPrevIdx] : null;
return tx;
}",
getBlockTransationNext: "() => {
const block = this.getBlock();
const txNextIdx = (this.data.transactionIndex < block.transactions.length - 1) ? (this.data.transactionIndex+1) : null;
const tx = (block && txNextIdx in block.transactions) ? block.transactions[txNextIdx] : null;
return tx;
}",
getAccountTransactionIndex: "() => {
const account = blockchain.getAccount(this.data.from);
if (! account) {
return null;
}
const txIdx = account.data.transactions.findIndex(transactionHash => blockchain.getTransactionByHash(transactionHash).hash == this.hash);
if (txIdx === -1) {
return null;
}
return txIdx;
}",
getAccountTransationPrev: "() => {
const account = blockchain.getAccount(this.data.from);
if (! account) {
return null;
}
const txIdx = this.getAccountTransactionIndex();
if (txIdx === null) {
return null;
}
const txPrevIdx = (txIdx > 0) ? (txIdx-1) : null;
const transactionHash = (txPrevIdx in account.data.transactions) ? account.data.transactions[txPrevIdx] : null;
if (! transactionHash) {
return null;
}
return blockchain.getTransactionByHash(transactionHash);
}",
getAccountTransationNext: "() => {
const account = blockchain.getAccount(this.data.from);
if (! account) {
return null;
}
const txIdx = this.getAccountTransactionIndex();
if (txIdx === null) {
return null;
}
const txNextIdx = (txIdx < account.data.transactions.length - 1) ? (txIdx+1) : null;
const transactionHash = (txNextIdx in account.data.transactions) ? account.data.transactions[txNextIdx] : null;
if (! transactionHash) {
return null;
}
return blockchain.getTransactionByHash(transactionHash);
}",
formatRpc: "() => {
// https://github.com/ethers-io/ethers.js/blob/master/packages/abstract-provider/lib/index.d.ts
const to = (this.data.to && this.data.to.length == 42) ? this.data.to : null;
const _txData = {
blockHash: this.data.blockHash,
blockNumber: this.data.blockNumber.toNumber(),
transactionIndex: this.data.transactionIndex,
hash: this.data.hash,
from: this.data.from,
gasLimit: this.data.gasLimit.toHexString(),
gasPrice: this.data.gasPrice.toHexString(),
data: this.data.data,
nonce: this.data.nonce.toHexString(),
to,
value: this.data.value.toHexString(),
chainId: this.data.chainId.toNumber(),
//origin: this.data.origin.toHexString(),
};
return _txData;
}",
getHashOLD: "() => {
const _txData = {
gasPrice: this.data.gasPrice,
gasLimit: this.data.gasLimit,
from: this.data.from,
to: this.data.to,
value: this.data.value,
data: this.data.data,
nonce: this.data.nonce,
};
const strvalue = JSON.stringify(utils.orderedObject(_txData));
const transactionHash = ethers.utils.id(strvalue);
return transactionHash;
}",
getHash: "() => {
const _txData = {
gasPrice: this.data.gasPrice.toHexString(),
gasLimit: this.data.gasLimit.toHexString(),
from: this.data.from,
to: this.data.to,
value: this.data.value.toHexString(),
data: this.data.data,
nonce: this.data.nonce.toHexString(),
v: this.data.v ? ('0x' + this.data.v) : '',
r: this.data.r ? ('0x' + this.data.r) : '',
s: this.data.s ? ('0x' + this.data.s) : '',
};
const tx = new EthereumJS.Transaction(_txData);
const hashRaw = tx.hash();
const transactionHash = ethers.utils.defaultAbiCoder.decode(["uint256"], hashRaw)[0].toHexString();
return transactionHash;
}",
execute: "(block, transactionIndex, logIndexOffset) => {
const _tx = this;
function _rejectTransaction(reason) {
// https://openethereum.github.io/Transactions-Queue
reason = reason || 'unknown';
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] REJECTED PROCESSING TRANSACTION', _tx.data.hash, ' (Reason:', reason + ')');
const success = blockchain.removeTransactionsFromMempool([_tx.hash], true, true);
if (success) {
saveMempool();
}
throw new Error(reason); // on rejete definitivement la tx (elle ne sera pas minée ... et donc aucun frais de gas ne sera compté)
// et du coup on rejete le block
}
function _checkGas(step) {
execDuration = performance.now()/1000 - execTsStart; //parseFloat(process.hrtime(execTsStart).join('.'));
gasUsed = toBn(Math.round(execDuration * cpuPricePerSecond)); // TODO: prendre en compte le storage utilisé dans le calcul du gasUsed
txCost = gasUsed.mul(_tx.data.gasPrice);
if (step == 'afterTransfer') {
//debugger;
}
if (status) {
gasUsedEffective = gasUsed;
txCostEffective = gasUsedEffective.mul(_tx.data.gasPrice);
if (gasUsed.gt(_tx.data.gasLimit)) {
status = 0;
error = new Error('INSUFFICIENT_GAS');
gasUsedEffective = _tx.data.gasLimit;
txCostEffective = txCostLimit;
// emit event
const debugError = {
message: 'INSUFFICIENT_GAS',
step,
gasPrice: _tx.data.gasPrice,
gasLimit: _tx.data.gasLimit,
gasUsed,
gasUsedEffective,
txCostLimit,
txCost,
txCostEffective,
execDuration,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, _tx.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
}
}
//const block = this;
const txLogs = [];
let vmStorage = {};
let gasUsed = toBn(0);
let gasUsedEffective = toBn(0);
let status = 1;
let error = null;
let createdContractAddress = null;
let amountTransfered = toBn(0);
const contractAddress = this.data.to;
let storageBackup;
let balanceBackup;
let contractExecuted = false;
let contractDeployed = false;
const execTsStart = performance.now()/1000; //process.hrtime(); //Date.now();
let execDuration = 0;
const txCostLimit = this.data.gasLimit.mul(this.data.gasPrice);
let txCost = toBn(0);
let txCostEffective = toBn(0);
const accountFrom = blockchain.getAccount(this.data.from);
if (! accountFrom) {
_rejectTransaction('TRANSACTION_REJECTED_EMPTY_ACCOUNT');
}
const accountFromBalance = accountFrom.data.balance;
if (accountFrom.address != mintAddress) {
// verif nonce
const expectedNonce = toBn(accountFrom.data.transactions.length); // le nonce attendu est egal au nombre de transactions passées de l'account
if (! this.data.nonce.eq(expectedNonce)) {
_rejectTransaction('TRANSACTION_REJECTED_INCORRECT_NONCE');
}
// verif balance pour gas + transfer
if (this.data.value && this.data.value.gt(0)) {
if (accountFromBalance.lt(this.data.value.add(txCostLimit))) {
// l'adresse n'a pas suffisamment de fond pour executer la transaction (selon gasLimit)
// TODO: faut-il rejeter la tx ? ou la laisser passer (en status=0) et lui vider sa balance (si 100% du gas est utilisé) ?
//return _rejectTransaction('TRANSACTION_FAILED_INSUFFICIENT_ETH_BALANCE');
_rejectTransaction('TRANSACTION_REJECTED_INSUFFICIENT_ETH_BALANCE');
}
}
}
_checkGas('init');
if (status) {
if (this.data.value && this.data.value.gt(0) && contractAddress && contractAddress.length > 2) {
// Transfer la valeur demandée (simple ETH transaction)
const [transferResult, transferLogs, transferReverted] = blockchain.transferEth(this.data, block);
txLogs.push( ...transferLogs );
// si recipient == contract => on transfer quand meme dès maintenant => TODO: a revoir (le transferEth declenche un appel à receive ... avant meme de savoir si unne methode payable doit etre appelée. Probleme si receive provoque un revert => la fonction payable ne sera pas appelée)
// 1) si methode payable appellée, on l'execute
// 2) si methode non payable => on appelle receive juste avant
// 3) si methode inconnue => revert
if (transferResult && transferReverted) {
// reverted (after transfer)
amountTransfered = this.data.value;
status = 0;
error = new Error('TRANSFER_REVERTED');
} else if (transferResult) {
// success
amountTransfered = this.data.value;
} else {
// transfer failed
status = 0;
error = new Error('TRANSFER_FAILED');
}
}
_checkGas('afterTransfer');
}
const gasUsedBeforeContractExecution = gasUsed;
if (status && this.data.data && this.data.data != '0x') {
// Traitement du champ data de la transaction (smart contract call)
if (!contractAddress || contractAddress == '0x') {
// contract creation
contractDeployed = true;
let contractExecResult;
try {
contractExecResult = this.transactionDeployContract(block);
const creationLogs = contractExecResult.logs;
vmStorage = contractExecResult.storage;
if (creationLogs.length) {
txLogs.push( ...creationLogs );
}
if (! contractExecResult.result) {
// Deploy Failed
status = 0;
error = new Error('CONTRACT_CREATION_FAILED');
// emit event
const debugError = {
message: 'CONTRACT_CREATION_FAILED',
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
} else {
// Deploy Success
createdContractAddress = contractExecResult.result.toLowerCase();
if (this.data.value.gt(0)) {
// Transfer tx value to contract
const _txData = {
...this.data,
to: createdContractAddress,
};
const [transferResult, transferLogs, transferReverted] = blockchain.transferEth(_txData, block);
txLogs.push( ...transferLogs );
if (transferResult) {
amountTransfered = this.data.value;
} else {
status = 0;
error = new Error('CONTRACT_CREATION_TRANSFER_FAILED');
}
}
// TODO: emit event CONTRACT_CREATION_SUCCESS ?
}
} catch (e) {
//console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] Cannot execute transaction');
//throw e;
status = 0;
error = new Error('CONTRACT_CREATION_ERROR');
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] CONTRACT_CREATION_ERROR with message', e.message)
// emit event
const debugError = {
message: 'CONTRACT_CREATION_ERROR',
error: e.message,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
_checkGas('afterContractCreation');
} else {
// contract execution
const contractAccount = blockchain.getAccount(contractAddress);
if (! contractAccount) {
status = 0;
error = new Error('CONTRACT_ACCOUNT_NOT_FOUND');
// emit event
const debugError = {
message: 'CONTRACT_ACCOUNT_NOT_FOUND',
address: contractAddress,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
if (status) {
storageBackup = JSON.stringify(contractAccount.data.storage);
balanceBackup = contractAccount.data.balance;
contractExecuted = true;
try {
const contractExecResult = this.executeTransactionContract(block);
const internalLogs = contractExecResult.logs;
vmStorage = contractExecResult.storage;
if (internalLogs.length) {
txLogs.push( ...internalLogs );
}
if (! contractExecResult.result) {
status = 0;
error = new Error('CONTRACT_EXEC_FAILED');
// emit event
const debugError = {
message: 'CONTRACT_EXEC_FAILED',
address: contractAddress,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
} catch (e) {
status = 0;
error = new Error('CONTRACT_EXEC_ERROR');
// emit event
const debugError = {
message: 'CONTRACT_EXEC_ERROR',
address: contractAddress,
error: e.message,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
}
_checkGas('afterContractCall');
}
}
const gasUsedAfterContractExecution = gasUsed;
const gasUsedInContractExecution = gasUsedAfterContractExecution.sub(gasUsedBeforeContractExecution);
const contractExecutionCost = gasUsedInContractExecution.mul(_tx.data.gasPrice);
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] execDuration =', (Math.round(execDuration * 1000000) / 1000000), ' seconds');
if (txCostEffective.gt(0)) {
// Gas payment
//const minerAccount = blockchain.getAccount(block.data.miner, true);
//const gasPaymentResult = minerAccount.transferFrom(accountFrom.address, txCostEffective);
const txDataGasPayment = {
from: accountFrom.address,
to: block.data.miner,
value: txCostEffective,
};
const [gasPaymentResult, gasPaymentLogs, transferReverted] = blockchain.transferEth(txDataGasPayment, block, true);
txLogs.push(...gasPaymentLogs);
if (gasPaymentResult) {
// gas payment success
} else {
// gas payment failed => reject transaction (and block)
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] Gas payment failed');
_rejectTransaction('GAS_PAYMENT_FAILED');
}
if (false) {
// DEBUG
const gasPercent = gasUsed.mul(100).div(this.data.gasLimit).toNumber();
const gasEffectivePercent = gasUsedEffective.mul(100).div(this.data.gasLimit).toNumber();
const costPercent = txCost.mul(100).div(txCostLimit).toNumber();
const costEffectivePercent = txCostEffective.mul(100).div(txCostLimit).toNumber();
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] txCostLimit =', ethers.utils.formatEther(txCostLimit));
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] txCostEffective =', ethers.utils.formatEther(txCostEffective));
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] gas % =', Math.round(gasPercent), '% =', Math.round(gasEffectivePercent), '%');
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] cost % =', Math.round(costPercent), '%', Math.round(costEffectivePercent), '%');
}
}
if (accountFrom.address != mintAddress) {
const accountFromBalanceAtEnd = blockchain.getAccountBalance(accountFrom.address);
if (accountFromBalanceAtEnd.lt(0)){
_rejectTransaction('TRANSACTION_FAILED_INSUFFICIENT_ETH_BALANCE_AT_END');
}
}
if (! status) {
// Transaction Failed
// Revert transfer
if (amountTransfered.gt(0)) {
const txDataRevert = {
...this.data,
from: this.data.to,
to: this.data.from,
value: amountTransfered,
};
const [transferResult, transferLogs, transferReverted] = blockchain.transferEth(txDataRevert, block);
// TODO: gerer le revert des internal transfers
}
txLogs.forEach(log => {
log.removed = true;
});
// Revert contract storage
if (contractExecuted) {
const contractAccount = blockchain.getAccount(contractAddress);
contractAccount.data.storage = JSON.parse(storageBackup, utils.bnJsonParser);
contractAccount.data.balance = balanceBackup;
} else if (amountTransfered) {
// on check aussi amountTransfered car le contrat peut avoir été exécuté via receive => TODO: process a revoir
const contractAccount = blockchain.getAccount(contractAddress);
if (contractAccount && contractAccount.isContract()) {
//contractAccount.data.storage = JSON.parse(storageBackup, utils.bnJsonParser);
//contractAccount.data.balance = balanceBackup;
// TODO
}
}
// Revert deployed contract
if (contractDeployed) {
// nothing to do ?
}
const gasPercent = gasUsed.mul(100).div(this.data.gasLimit).toNumber();
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] FAILED TRANSACTION ', this.data.hash, '| gas usage percent =', gasPercent, '%', ' | Error: ', error.message);
const realExecDuration = performance.now()/1000 - execTsStart; //parseFloat(process.hrtime(execTsStart).join('.'));
const realGasUsed = toBn(Math.round(realExecDuration * cpuPricePerSecond)); // TODO: prendre en compte le storage utilisé dans le calcul du gasUsed
const realGasPercent = realGasUsed.mul(100).div(this.data.gasLimit).toNumber();
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] FAILED TRANSACTION ', this.data.hash, '| real gas usage percent =', realGasPercent, '%', ' | Error: ', error.message);
} else {
// Transaction Success
// save contract storage
Object.entries(vmStorage).forEach((entry, idx) => {
const [contractAddress, contractStorage] = entry;
const contractAccount = blockchain.getAccount(contractAddress, true);
contractAccount.data.storage = contractStorage;
contractAccount.save();
});
// show result (debug)
const gasPercent = gasUsed.mul(100).div(this.data.gasLimit).toNumber();;
console.log(utils.getDate(), "[BLOCKCHAIN]", 'SUCCECSS TRANSACTION ', this.data.hash, '| gas usage percent =', gasPercent, '%');
}
// total gas utilisé dans le block
block.data.gasUsed = block.data.gasUsed.add(gasUsed);
// assign block data on logs
txLogs.forEach((txLog, idx) => {
txLog.data.transactionIndex = transactionIndex;
txLog.data.logIndex = logIndexOffset + idx;
txLog.data.transactionHash = this.data.hash;
txLog.data.blockHash = block.hash;
txLog.data.blockNumber = block.data.number;
});
const receiptData = {
transactionHash: this.data.hash,
transactionIndex: transactionIndex,
blockNumber: block.data.number,
blockHash: block.hash,
//logsBloom: '0x0000',
contractAddress: createdContractAddress,
gasUsed,
cumulativeGasUsed: block.data.gasUsed,
effectiveGasPrice: this.data.gasPrice,
effectiveCost: this.data.gasPrice.mul(gasUsed),
logs: txLogs,
status,
}
const receipt = new Receipt(blockchain, receiptData);
return [receipt, txLogs];
}",
executeTransactionContract: "(block) => {
let contractAddress = this.data.to;
const isNullRecipient = (! contractAddress || contractAddress.length <= 2);
if (isNullRecipient) {
throw new Error('CONTRACT_EXEC_ADDRESS_INVALID_BUG_1');
}
const contractAccount = blockchain.getAccount(contractAddress);
if (! contractAccount) {
throw new Error('CONTRACT_EXEC_ACCOUNT_NOT_FOUND');
}
// Execute existing contract method call
return blockchain.callContractMethodInVM(this.data, block);
}",
transactionDeployContract: "(block) => {
let contractAddress = this.data.to;
let contractAccount;
if (contractAddress && contractAddress.length > 2) {
throw new Error('CONTRACT_DEPLOY_ADDRESS_INVALID_BUG_2');
}
// CONTRACT CREATION
if (! this.data.data || this.data.data.length <= 2) {
throw new Error('CONTRACT_DEPLOY_INVALID_DATA_EMPTY_CODE');
}
// build contract address
contractAddress = ethers.utils.getContractAddress(this.data).toLocaleLowerCase();
// parse contract source code & constructor parameters
const codes = ethers.utils.defaultAbiCoder.decode(["string", "string"], this.data.data);
if (! codes) {
throw new Error('CONTRACT_DEPLOY_CODE_PARSING_FAILED');
}
const sourceCode = codes[0];
const constructorParams = codes[1];
const constructorRawParams = ethers.utils.defaultAbiCoder.encode(["string"], [constructorParams]);
const codeHash = ethers.utils.id(sourceCode);
const codeAbi = null; // l'abi sera généré une fois que le contrat aura été instancié
const storageHash = ethers.utils.id('{}');
// create new account
const accountData = {
address: contractAddress,
code: sourceCode,
codeHash,
codeAbi,
storage: {},
storageHash,
};
contractAccount = blockchain.createAccount(contractAddress, accountData);
// instanciate contract + call constructor + recuperer storage
const txData = {
from: this.data.from,
to: contractAddress,
data: constructorRawParams,
value: this.data.value.toHexString(),
};
const callResult = blockchain.deployContractInVM(txData, block);
const creationLogs = callResult.logs;
const vmStorage = callResult.storage;
// emit event
const eventParams = [
contractAddress,
];
const _txData = {
...this.data,
to: blockchain.getNullAddress(),
}
const deployLog = new TxLog(blockchain, null, _txData, 'ContractCreated', eventParams, deployAbi);
creationLogs.push(deployLog);
return {
result: contractAddress,
logs: creationLogs,
storage: vmStorage,
};
}",
timestamp: "1651572579441",
status: 1,
gasUsed: "118396"
},
0x1ccfa75127b63b28546df83229b654b3b3e9e6b1f19a39b66b8d4360cec9075a: {
data: {
blockHash: "0x0057534b6cfdb8717c383af981bbb658d7b6ddd2dc8ad354d8d1707bc2f387a8",
blockNumber: "12",
transactionIndex: 0,
hash: "0x1ccfa75127b63b28546df83229b654b3b3e9e6b1f19a39b66b8d4360cec9075a",
from: "0x0000000000000000000000000000000000000001",
gasLimit: "1000000000000000000",
gasPrice: "0",
data: "0x",
nonce: "11",
to: "0xccf8ba457dcad7ee6a0361c96846a0f79744b113",
value: "250000000000000000000",
chainId: "3615",
origin: "1651573244565",
v: "",
r: "",
s: ""
},
hash: "0x1ccfa75127b63b28546df83229b654b3b3e9e6b1f19a39b66b8d4360cec9075a",
load: "() => {
const transactionFile = config.node.dataDir + '/transactions/' + this.hash + '.json';
if (! fs.existsSync(transactionFile)) {
console.warn(utils.getDate(), "[BLOCKCHAIN]", 'IMPORT Transaction not found', this.hash);
throw new Error('IMPORT_TRANSACTION_NOT_FOUND_DATABASE_CORRUPTED');
}
const transactionJson = fs.readFileSync(transactionFile);
transactionData = JSON.parse(transactionJson, utils.bnJsonParser);
this.data = (typeof transactionData == 'TransactionData') ? transactionData : new TransactionData(transactionData);
return true;
}",
save: "() => {
const transactionFile = config.node.dataDir + '/transactions/' + this.hash + '.json';
fs.writeFileSync(transactionFile, JSON.stringify(this.data));
return true;
}",
getReceipt: "() => {
return blockchain.getTransactionReceiptByHash(this.hash);
}",
getBlock: "() => {
return blockchain.getBlockByHash(this.data.blockHash);
}",
getBlockTransationPrev: "() => {
const block = this.getBlock();
const txPrevIdx = (this.data.transactionIndex > 0) ? (this.data.transactionIndex-1) : null;
const tx = (block && txPrevIdx in block.transactions) ? block.transactions[txPrevIdx] : null;
return tx;
}",
getBlockTransationNext: "() => {
const block = this.getBlock();
const txNextIdx = (this.data.transactionIndex < block.transactions.length - 1) ? (this.data.transactionIndex+1) : null;
const tx = (block && txNextIdx in block.transactions) ? block.transactions[txNextIdx] : null;
return tx;
}",
getAccountTransactionIndex: "() => {
const account = blockchain.getAccount(this.data.from);
if (! account) {
return null;
}
const txIdx = account.data.transactions.findIndex(transactionHash => blockchain.getTransactionByHash(transactionHash).hash == this.hash);
if (txIdx === -1) {
return null;
}
return txIdx;
}",
getAccountTransationPrev: "() => {
const account = blockchain.getAccount(this.data.from);
if (! account) {
return null;
}
const txIdx = this.getAccountTransactionIndex();
if (txIdx === null) {
return null;
}
const txPrevIdx = (txIdx > 0) ? (txIdx-1) : null;
const transactionHash = (txPrevIdx in account.data.transactions) ? account.data.transactions[txPrevIdx] : null;
if (! transactionHash) {
return null;
}
return blockchain.getTransactionByHash(transactionHash);
}",
getAccountTransationNext: "() => {
const account = blockchain.getAccount(this.data.from);
if (! account) {
return null;
}
const txIdx = this.getAccountTransactionIndex();
if (txIdx === null) {
return null;
}
const txNextIdx = (txIdx < account.data.transactions.length - 1) ? (txIdx+1) : null;
const transactionHash = (txNextIdx in account.data.transactions) ? account.data.transactions[txNextIdx] : null;
if (! transactionHash) {
return null;
}
return blockchain.getTransactionByHash(transactionHash);
}",
formatRpc: "() => {
// https://github.com/ethers-io/ethers.js/blob/master/packages/abstract-provider/lib/index.d.ts
const to = (this.data.to && this.data.to.length == 42) ? this.data.to : null;
const _txData = {
blockHash: this.data.blockHash,
blockNumber: this.data.blockNumber.toNumber(),
transactionIndex: this.data.transactionIndex,
hash: this.data.hash,
from: this.data.from,
gasLimit: this.data.gasLimit.toHexString(),
gasPrice: this.data.gasPrice.toHexString(),
data: this.data.data,
nonce: this.data.nonce.toHexString(),
to,
value: this.data.value.toHexString(),
chainId: this.data.chainId.toNumber(),
//origin: this.data.origin.toHexString(),
};
return _txData;
}",
getHashOLD: "() => {
const _txData = {
gasPrice: this.data.gasPrice,
gasLimit: this.data.gasLimit,
from: this.data.from,
to: this.data.to,
value: this.data.value,
data: this.data.data,
nonce: this.data.nonce,
};
const strvalue = JSON.stringify(utils.orderedObject(_txData));
const transactionHash = ethers.utils.id(strvalue);
return transactionHash;
}",
getHash: "() => {
const _txData = {
gasPrice: this.data.gasPrice.toHexString(),
gasLimit: this.data.gasLimit.toHexString(),
from: this.data.from,
to: this.data.to,
value: this.data.value.toHexString(),
data: this.data.data,
nonce: this.data.nonce.toHexString(),
v: this.data.v ? ('0x' + this.data.v) : '',
r: this.data.r ? ('0x' + this.data.r) : '',
s: this.data.s ? ('0x' + this.data.s) : '',
};
const tx = new EthereumJS.Transaction(_txData);
const hashRaw = tx.hash();
const transactionHash = ethers.utils.defaultAbiCoder.decode(["uint256"], hashRaw)[0].toHexString();
return transactionHash;
}",
execute: "(block, transactionIndex, logIndexOffset) => {
const _tx = this;
function _rejectTransaction(reason) {
// https://openethereum.github.io/Transactions-Queue
reason = reason || 'unknown';
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] REJECTED PROCESSING TRANSACTION', _tx.data.hash, ' (Reason:', reason + ')');
const success = blockchain.removeTransactionsFromMempool([_tx.hash], true, true);
if (success) {
saveMempool();
}
throw new Error(reason); // on rejete definitivement la tx (elle ne sera pas minée ... et donc aucun frais de gas ne sera compté)
// et du coup on rejete le block
}
function _checkGas(step) {
execDuration = performance.now()/1000 - execTsStart; //parseFloat(process.hrtime(execTsStart).join('.'));
gasUsed = toBn(Math.round(execDuration * cpuPricePerSecond)); // TODO: prendre en compte le storage utilisé dans le calcul du gasUsed
txCost = gasUsed.mul(_tx.data.gasPrice);
if (step == 'afterTransfer') {
//debugger;
}
if (status) {
gasUsedEffective = gasUsed;
txCostEffective = gasUsedEffective.mul(_tx.data.gasPrice);
if (gasUsed.gt(_tx.data.gasLimit)) {
status = 0;
error = new Error('INSUFFICIENT_GAS');
gasUsedEffective = _tx.data.gasLimit;
txCostEffective = txCostLimit;
// emit event
const debugError = {
message: 'INSUFFICIENT_GAS',
step,
gasPrice: _tx.data.gasPrice,
gasLimit: _tx.data.gasLimit,
gasUsed,
gasUsedEffective,
txCostLimit,
txCost,
txCostEffective,
execDuration,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, _tx.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
}
}
//const block = this;
const txLogs = [];
let vmStorage = {};
let gasUsed = toBn(0);
let gasUsedEffective = toBn(0);
let status = 1;
let error = null;
let createdContractAddress = null;
let amountTransfered = toBn(0);
const contractAddress = this.data.to;
let storageBackup;
let balanceBackup;
let contractExecuted = false;
let contractDeployed = false;
const execTsStart = performance.now()/1000; //process.hrtime(); //Date.now();
let execDuration = 0;
const txCostLimit = this.data.gasLimit.mul(this.data.gasPrice);
let txCost = toBn(0);
let txCostEffective = toBn(0);
const accountFrom = blockchain.getAccount(this.data.from);
if (! accountFrom) {
_rejectTransaction('TRANSACTION_REJECTED_EMPTY_ACCOUNT');
}
const accountFromBalance = accountFrom.data.balance;
if (accountFrom.address != mintAddress) {
// verif nonce
const expectedNonce = toBn(accountFrom.data.transactions.length); // le nonce attendu est egal au nombre de transactions passées de l'account
if (! this.data.nonce.eq(expectedNonce)) {
_rejectTransaction('TRANSACTION_REJECTED_INCORRECT_NONCE');
}
// verif balance pour gas + transfer
if (this.data.value && this.data.value.gt(0)) {
if (accountFromBalance.lt(this.data.value.add(txCostLimit))) {
// l'adresse n'a pas suffisamment de fond pour executer la transaction (selon gasLimit)
// TODO: faut-il rejeter la tx ? ou la laisser passer (en status=0) et lui vider sa balance (si 100% du gas est utilisé) ?
//return _rejectTransaction('TRANSACTION_FAILED_INSUFFICIENT_ETH_BALANCE');
_rejectTransaction('TRANSACTION_REJECTED_INSUFFICIENT_ETH_BALANCE');
}
}
}
_checkGas('init');
if (status) {
if (this.data.value && this.data.value.gt(0) && contractAddress && contractAddress.length > 2) {
// Transfer la valeur demandée (simple ETH transaction)
const [transferResult, transferLogs, transferReverted] = blockchain.transferEth(this.data, block);
txLogs.push( ...transferLogs );
// si recipient == contract => on transfer quand meme dès maintenant => TODO: a revoir (le transferEth declenche un appel à receive ... avant meme de savoir si unne methode payable doit etre appelée. Probleme si receive provoque un revert => la fonction payable ne sera pas appelée)
// 1) si methode payable appellée, on l'execute
// 2) si methode non payable => on appelle receive juste avant
// 3) si methode inconnue => revert
if (transferResult && transferReverted) {
// reverted (after transfer)
amountTransfered = this.data.value;
status = 0;
error = new Error('TRANSFER_REVERTED');
} else if (transferResult) {
// success
amountTransfered = this.data.value;
} else {
// transfer failed
status = 0;
error = new Error('TRANSFER_FAILED');
}
}
_checkGas('afterTransfer');
}
const gasUsedBeforeContractExecution = gasUsed;
if (status && this.data.data && this.data.data != '0x') {
// Traitement du champ data de la transaction (smart contract call)
if (!contractAddress || contractAddress == '0x') {
// contract creation
contractDeployed = true;
let contractExecResult;
try {
contractExecResult = this.transactionDeployContract(block);
const creationLogs = contractExecResult.logs;
vmStorage = contractExecResult.storage;
if (creationLogs.length) {
txLogs.push( ...creationLogs );
}
if (! contractExecResult.result) {
// Deploy Failed
status = 0;
error = new Error('CONTRACT_CREATION_FAILED');
// emit event
const debugError = {
message: 'CONTRACT_CREATION_FAILED',
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
} else {
// Deploy Success
createdContractAddress = contractExecResult.result.toLowerCase();
if (this.data.value.gt(0)) {
// Transfer tx value to contract
const _txData = {
...this.data,
to: createdContractAddress,
};
const [transferResult, transferLogs, transferReverted] = blockchain.transferEth(_txData, block);
txLogs.push( ...transferLogs );
if (transferResult) {
amountTransfered = this.data.value;
} else {
status = 0;
error = new Error('CONTRACT_CREATION_TRANSFER_FAILED');
}
}
// TODO: emit event CONTRACT_CREATION_SUCCESS ?
}
} catch (e) {
//console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] Cannot execute transaction');
//throw e;
status = 0;
error = new Error('CONTRACT_CREATION_ERROR');
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] CONTRACT_CREATION_ERROR with message', e.message)
// emit event
const debugError = {
message: 'CONTRACT_CREATION_ERROR',
error: e.message,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
_checkGas('afterContractCreation');
} else {
// contract execution
const contractAccount = blockchain.getAccount(contractAddress);
if (! contractAccount) {
status = 0;
error = new Error('CONTRACT_ACCOUNT_NOT_FOUND');
// emit event
const debugError = {
message: 'CONTRACT_ACCOUNT_NOT_FOUND',
address: contractAddress,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
if (status) {
storageBackup = JSON.stringify(contractAccount.data.storage);
balanceBackup = contractAccount.data.balance;
contractExecuted = true;
try {
const contractExecResult = this.executeTransactionContract(block);
const internalLogs = contractExecResult.logs;
vmStorage = contractExecResult.storage;
if (internalLogs.length) {
txLogs.push( ...internalLogs );
}
if (! contractExecResult.result) {
status = 0;
error = new Error('CONTRACT_EXEC_FAILED');
// emit event
const debugError = {
message: 'CONTRACT_EXEC_FAILED',
address: contractAddress,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
} catch (e) {
status = 0;
error = new Error('CONTRACT_EXEC_ERROR');
// emit event
const debugError = {
message: 'CONTRACT_EXEC_ERROR',
address: contractAddress,
error: e.message,
};
const eventParams = [
JSON.stringify(debugError),
];
const errorLog = new TxLog(blockchain, null, this.data, 'Error', eventParams, errorAbi);
txLogs.push(errorLog);
}
}
_checkGas('afterContractCall');
}
}
const gasUsedAfterContractExecution = gasUsed;
const gasUsedInContractExecution = gasUsedAfterContractExecution.sub(gasUsedBeforeContractExecution);
const contractExecutionCost = gasUsedInContractExecution.mul(_tx.data.gasPrice);
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] execDuration =', (Math.round(execDuration * 1000000) / 1000000), ' seconds');
if (txCostEffective.gt(0)) {
// Gas payment
//const minerAccount = blockchain.getAccount(block.data.miner, true);
//const gasPaymentResult = minerAccount.transferFrom(accountFrom.address, txCostEffective);
const txDataGasPayment = {
from: accountFrom.address,
to: block.data.miner,
value: txCostEffective,
};
const [gasPaymentResult, gasPaymentLogs, transferReverted] = blockchain.transferEth(txDataGasPayment, block, true);
txLogs.push(...gasPaymentLogs);
if (gasPaymentResult) {
// gas payment success
} else {
// gas payment failed => reject transaction (and block)
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] Gas payment failed');
_rejectTransaction('GAS_PAYMENT_FAILED');
}
if (false) {
// DEBUG
const gasPercent = gasUsed.mul(100).div(this.data.gasLimit).toNumber();
const gasEffectivePercent = gasUsedEffective.mul(100).div(this.data.gasLimit).toNumber();
const costPercent = txCost.mul(100).div(txCostLimit).toNumber();
const costEffectivePercent = txCostEffective.mul(100).div(txCostLimit).toNumber();
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] txCostLimit =', ethers.utils.formatEther(txCostLimit));
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] txCostEffective =', ethers.utils.formatEther(txCostEffective));
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] gas % =', Math.round(gasPercent), '% =', Math.round(gasEffectivePercent), '%');
console.log(utils.getDate(), "[BLOCKCHAIN]", '[DEBUG] cost % =', Math.round(costPercent), '%', Math.round(costEffectivePercent), '%');
}
}
if (accountFrom.address != mintAddress) {
const accountFromBalanceAtEnd = blockchain.getAccountBalance(accountFrom.address);
if (accountFromBalanceAtEnd.lt(0)){
_rejectTransaction('TRANSACTION_FAILED_INSUFFICIENT_ETH_BALANCE_AT_END');
}
}
if (! status) {
// Transaction Failed
// Revert transfer
if (amountTransfered.gt(0)) {
const txDataRevert = {
...this.data,
from: this.data.to,
to: this.data.from,
value: amountTransfered,
};
const [transferResult, transferLogs, transferReverted] = blockchain.transferEth(txDataRevert, block);
// TODO: gerer le revert des internal transfers
}
txLogs.forEach(log => {
log.removed = true;
});
// Revert contract storage
if (contractExecuted) {
const contractAccount = blockchain.getAccount(contractAddress);
contractAccount.data.storage = JSON.parse(storageBackup, utils.bnJsonParser);
contractAccount.data.balance = balanceBackup;
} else if (amountTransfered) {
// on check aussi amountTransfered car le contrat peut avoir été exécuté via receive => TODO: process a revoir
const contractAccount = blockchain.getAccount(contractAddress);
if (contractAccount && contractAccount.isContract()) {
//contractAccount.data.storage = JSON.parse(storageBackup, utils.bnJsonParser);
//contractAccount.data.balance = balanceBackup;
// TODO
}
}
// Revert deployed contract
if (contractDeployed) {
// nothing to do ?
}
const gasPercent = gasUsed.mul(100).div(this.data.gasLimit).toNumber();
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] FAILED TRANSACTION ', this.data.hash, '| gas usage percent =', gasPercent, '%', ' | Error: ', error.message);
const realExecDuration = performance.now()/1000 - execTsStart; //parseFloat(process.hrtime(execTsStart).join('.'));
const realGasUsed = toBn(Math.round(realExecDuration * cpuPricePerSecond)); // TODO: prendre en compte le storage utilisé dans le calcul du gasUsed
const realGasPercent = realGasUsed.mul(100).div(this.data.gasLimit).toNumber();
console.warn(utils.getDate(), "[BLOCKCHAIN]", '[WARNING] FAILED TRANSACTION ', this.data.hash, '| real gas usage percent =', realGasPercent, '%', ' | Error: ', error.message);
} else {
// Transaction Success
// save contract storage
Object.entries(vmStorage).forEach((entry, idx) => {
const [contractAddress, contractStorage] = entry;
const contractAccount = blockchain.getAccount(contractAddress, true);
contractAccount.data.storage = contractStorage;
contractAccount.save();
});
// show result (debug)
const gasPercent = gasUsed.mul(100).div(this.data.gasLimit).toNumber();;
console.log(utils.getDate(), "[BLOCKCHAIN]", 'SUCCECSS TRANSACTION ', this.data.hash, '| gas usage percent =', gasPercent, '%');
}
// total gas utilisé dans le block
block.data.gasUsed = block.data.gasUsed.add(gasUsed);
// assign block data on logs
txLogs.forEach((txLog, idx) => {
txLog.data.transactionIndex = transactionIndex;
txLog.data.logIndex = logIndexOffset + idx;
txLog.data.transactionHash = this.data.hash;
txLog.data.blockHash = block.hash;
txLog.data.blockNumber = block.data.number;
});
const receiptData = {
transactionHash: this.data.hash,
transactionIndex: transactionIndex,
blockNumber: block.data.number,
blockHash: block.hash,
//logsBloom: '0x0000',
contractAddress: createdContractAddress,
gasUsed,
cumulativeGasUsed: block.data.gasUsed,
effectiveGasPrice: this.data.gasPrice,
effectiveCost: this.data.gasPrice.mul(gasUsed),
logs: txLogs,
status,
}
const receipt = new Receipt(blockchain, receiptData);
return [receipt, txLogs];
}",
executeTransactionContract: "(block) => {
let contractAddress = this.data.to;
const isNullRecipient = (! contractAddress || contractAddress.length <= 2);
if (isNullRecipient) {
throw new Error('CONTRACT_EXEC_ADDRESS_INVALID_BUG_1');
}
const contractAccount = blockchain.getAccount(contractAddress);
if (! contractAccount) {
throw new Error('CONTRACT_EXEC_ACCOUNT_NOT_FOUND');
}
// Execute existing contract method call
return blockchain.callContractMethodInVM(this.data, block);
}",
transactionDeployContract: "(block) => {
let contractAddress = this.data.to;
let contractAccount;
if (contractAddress && contractAddress.length > 2) {
throw new Error('CONTRACT_DEPLOY_ADDRESS_INVALID_BUG_2');
}
// CONTRACT CREATION
if (! this.data.data || this.data.data.length <= 2) {
throw new Error('CONTRACT_DEPLOY_INVALID_DATA_EMPTY_CODE');
}
// build contract address
contractAddress = ethers.utils.getContractAddress(this.data).toLocaleLowerCase();
// parse contract source code & constructor parameters
const codes = ethers.utils.defaultAbiCoder.decode(["string", "string"], this.data.data);
if (! codes) {
throw new Error('CONTRACT_DEPLOY_CODE_PARSING_FAILED');
}
const sourceCode = codes[0];
const constructorParams = codes[1];
const constructorRawParams = ethers.utils.defaultAbiCoder.encode(["string"], [constructorParams]);
const codeHash = ethers.utils.id(sourceCode);
const codeAbi = null; // l'abi sera généré une fois que le contrat aura été instancié
const storageHash = ethers.utils.id('{}');
// create new account
const accountData = {
address: contractAddress,
code: sourceCode,
codeHash,
codeAbi,
storage: {},
storageHash,
};
contractAccount = blockchain.createAccount(contractAddress, accountData);
// instanciate contract + call constructor + recuperer storage
const txData = {
from: this.data.from,
to: contractAddress,
data: constructorRawParams,
value: this.data.value.toHexString(),
};
const callResult = blockchain.deployContractInVM(txData, block);
const creationLogs = callResult.logs;
const vmStorage = callResult.storage;
// emit event
const eventParams = [
contractAddress,
];
const _txData = {
...this.data,
to: blockchain.getNullAddress(),
}
const deployLog = new TxLog(blockchain, null, _txData, 'ContractCreated', eventParams, deployAbi);
creationLogs.push(deployLog);
return {
result: contractAddress,
logs: creationLogs,
storage: vmStorage,
};
}",
timestamp: "1651573244923",
status: 1,
gasUsed: "10220"
},
0x769cdbd9cf5e7f437df3a7f1b8020b66933d562fcec2b04982a6db364b7e4368: {
data: {
blockHash: