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@atomiqlabs/chain-evm

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EVM specific base implementation

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"use strict"; Object.defineProperty(exports, "__esModule", { value: true }); exports.EVMTransactions = void 0; const EVMModule_1 = require("../EVMModule"); const ethers_1 = require("ethers"); const Utils_1 = require("../../../utils/Utils"); const base_1 = require("@atomiqlabs/base"); const MAX_UNCONFIRMED_TXNS = 10; class EVMTransactions extends EVMModule_1.EVMModule { constructor() { super(...arguments); this.latestConfirmedNonces = {}; this.latestPendingNonces = {}; this.latestSignedNonces = {}; this._cbksBeforeTxReplace = []; this.cbksBeforeTxSigned = []; this._knownTxSet = new Set(); } /** * Waits for transaction confirmation using HTTP polling * * @param tx EVM transaction to wait for confirmation for * @param abortSignal signal to abort waiting for tx confirmation * @private */ async confirmTransaction(tx, abortSignal) { const checkTxns = new Set([tx.hash]); const txReplaceListener = (oldTx, oldTxId, newTx, newTxId) => { if (checkTxns.has(oldTxId)) checkTxns.add(newTxId); return Promise.resolve(); }; this.onBeforeTxReplace(txReplaceListener); let state = "pending"; let confirmedTxId = null; while (state === "pending") { await (0, Utils_1.timeoutPromise)(3000, abortSignal); const latestConfirmedNonce = this.latestConfirmedNonces[tx.from]; const snapshot = [...checkTxns]; //Iterate over a snapshot const totalTxnCount = snapshot.length; let notFoundTxns = 0; for (let txId of checkTxns) { let _state = await this.getTxIdStatus(txId); if (_state === "not_found") notFoundTxns++; if (_state === "reverted" || _state === "success") { confirmedTxId = txId; state = _state; break; } } if (notFoundTxns === totalTxnCount) { //All not found, check the latest account nonce if (latestConfirmedNonce != null && latestConfirmedNonce > tx.nonce) { //Confirmed nonce is already higher than the TX nonce, meaning the TX got replaced throw new Error("Transaction failed - replaced!"); } this.logger.warn("confirmTransaction(): All transactions not found, fetching the latest account nonce..."); const _latestConfirmedNonce = this.latestConfirmedNonces[tx.from]; const currentLatestNonce = await this.provider.getTransactionCount(tx.from, this.root.config.safeBlockTag); if (_latestConfirmedNonce == null || _latestConfirmedNonce < currentLatestNonce) { this.latestConfirmedNonces[tx.from] = currentLatestNonce; } } } this.offBeforeTxReplace(txReplaceListener); const nextAccountNonce = tx.nonce + 1; const currentConfirmedNonce = this.latestConfirmedNonces[tx.from]; if (currentConfirmedNonce == null || nextAccountNonce > currentConfirmedNonce) { this.latestConfirmedNonces[tx.from] = nextAccountNonce; } if (state === "reverted") throw new base_1.TransactionRevertedError("Transaction reverted!"); return confirmedTxId; } async applyAccessList(tx) { let accessListResponse; try { accessListResponse = await this.provider.send("eth_createAccessList", [{ from: tx.from, to: tx.to, value: (0, ethers_1.toBeHex)(tx.value ?? 0n), input: tx.data, data: tx.data }, "pending"]); } catch (e) { if (e.code !== "UNKNOWN_ERROR" || e.error?.code !== 3) throw e; //Re-attempt with default pre-populated access list accessListResponse = await this.provider.send("eth_createAccessList", [{ from: tx.from, to: tx.to, value: (0, ethers_1.toBeHex)(tx.value ?? 0n), input: tx.data, data: tx.data, accessList: this.root.config.defaultAccessListAddresses.map(val => ({ address: val, storageKeys: [] })) }, "pending"]); } tx.accessList = accessListResponse.accessList; } /** * Prepares starknet transactions, checks if the account is deployed, assigns nonces if needed & calls beforeTxSigned callback * * @param signer * @param txs * @param useAccessList Whether to use access lists for sending txns * @private */ async prepareTransactions(signer, txs, useAccessList) { for (let tx of txs) { tx.chainId = this.root.evmChainId; tx.from = signer.getAddress(); } if (!signer.isManagingNoncesInternally) { let nonce = await this.root.provider.getTransactionCount(signer.getAddress(), "pending"); const latestKnownNonce = this.latestPendingNonces[signer.getAddress()]; if (latestKnownNonce != null && latestKnownNonce > nonce) { this.logger.debug("prepareTransactions(): Using nonce from local cache!"); nonce = latestKnownNonce; } for (let i = 0; i < txs.length; i++) { const tx = txs[i]; if (tx.nonce != null) nonce = tx.nonce; //Take the nonce from last tx if (nonce == null) nonce = await this.root.provider.getTransactionCount(signer.getAddress(), "pending"); //Fetch the nonce if (tx.nonce == null) tx.nonce = nonce; this.logger.debug("sendAndConfirm(): transaction prepared (" + (i + 1) + "/" + txs.length + "), nonce: " + tx.nonce); nonce++; } } for (let tx of txs) { if (useAccessList) await this.applyAccessList(tx); for (let callback of this.cbksBeforeTxSigned) { await callback(tx); } } } /** * Sends out a signed transaction to the RPC * * @param tx EVM tx to send * @param onBeforePublish a callback called before every transaction is published * @private */ async sendSignedTransaction(tx, onBeforePublish) { if (onBeforePublish != null) await onBeforePublish(tx.hash, await this.serializeTx(tx)); this.logger.debug("sendSignedTransaction(): sending transaction: ", tx.hash); const serializedTx = tx.serialized; let result; if (this.cbkSendTransaction != null) result = await this.cbkSendTransaction(serializedTx); if (result == null) { const broadcastResult = await this.provider.broadcastTransaction(tx.serialized); result = broadcastResult.hash; } this.logger.info("sendSignedTransaction(): tx sent, txHash: " + result); return result; } /** * Prepares, signs, sends (in parallel or sequentially) & optionally waits for confirmation * of a batch of EVM transactions * * @param signer * @param txs transactions to send * @param waitForConfirmation whether to wait for transaction confirmations (this also makes sure the transactions * are re-sent at regular intervals) * @param abortSignal abort signal to abort waiting for transaction confirmations * @param parallel whether the send all the transaction at once in parallel or sequentially (such that transactions * are executed in order) * @param onBeforePublish a callback called before every transaction is published, NOTE: callback is not called when using browser-based wallet! * @param useAccessLists */ async sendAndConfirm(signer, txs, waitForConfirmation, abortSignal, parallel, onBeforePublish, useAccessLists) { await this.prepareTransactions(signer, txs, useAccessLists ?? this.root.config.useAccessLists); const signedTxs = []; //Don't separate the signing process from the sending when using browser-based wallet if (signer.signTransaction != null) for (let i = 0; i < txs.length; i++) { const tx = txs[i]; const signedTx = ethers_1.Transaction.from(await signer.signTransaction(tx)); signedTxs.push(signedTx); this.logger.debug("sendAndConfirm(): transaction signed (" + (i + 1) + "/" + txs.length + "): " + signedTx); const nextAccountNonce = signedTx.nonce + 1; const currentSignedNonce = this.latestSignedNonces[signedTx.from]; if (currentSignedNonce == null || nextAccountNonce > currentSignedNonce) { this.latestSignedNonces[signedTx.from] = nextAccountNonce; } } this.logger.debug("sendAndConfirm(): sending transactions, count: " + txs.length + " waitForConfirmation: " + waitForConfirmation + " parallel: " + parallel); let txIds = []; if (parallel) { let promises = []; for (let i = 0; i < txs.length; i++) { let tx; if (signer.signTransaction == null) { tx = await signer.sendTransaction(txs[i], onBeforePublish); } else { const signedTx = signedTxs[i]; await this.sendSignedTransaction(signedTx, onBeforePublish); tx = signedTx; } const nextAccountNonce = tx.nonce + 1; const currentPendingNonce = this.latestPendingNonces[tx.from]; if (currentPendingNonce == null || nextAccountNonce > currentPendingNonce) { this.latestPendingNonces[tx.from] = nextAccountNonce; } promises.push(this.confirmTransaction(tx, abortSignal)); if (!waitForConfirmation) txIds.push(tx.hash); this.logger.debug("sendAndConfirm(): transaction sent (" + (i + 1) + "/" + signedTxs.length + "): " + tx.hash); if (promises.length >= MAX_UNCONFIRMED_TXNS) { if (waitForConfirmation) txIds.push(...await Promise.all(promises)); promises = []; } } if (waitForConfirmation && promises.length > 0) { txIds.push(...await Promise.all(promises)); } } else { for (let i = 0; i < txs.length; i++) { let tx; if (signer.signTransaction == null) { tx = await signer.sendTransaction(txs[i], onBeforePublish); } else { const signedTx = signedTxs[i]; await this.sendSignedTransaction(signedTx, onBeforePublish); tx = signedTx; } const nextAccountNonce = tx.nonce + 1; const currentPendingNonce = this.latestPendingNonces[tx.from]; if (currentPendingNonce == null || nextAccountNonce > currentPendingNonce) { this.latestPendingNonces[tx.from] = nextAccountNonce; } const confirmPromise = this.confirmTransaction(tx, abortSignal); this.logger.debug("sendAndConfirm(): transaction sent (" + (i + 1) + "/" + txs.length + "): " + tx.hash); //Don't await the last promise when !waitForConfirmation let txHash = tx.hash; if (i < txs.length - 1 || waitForConfirmation) txHash = await confirmPromise; txIds.push(txHash); } } this.logger.info("sendAndConfirm(): sent transactions, count: " + txs.length + " waitForConfirmation: " + waitForConfirmation + " parallel: " + parallel); return txIds; } /** * Serializes the signed EVM transaction * * @param tx */ serializeTx(tx) { return Promise.resolve(tx.serialized); } /** * Deserializes signed EVM transaction * * @param txData */ deserializeTx(txData) { return Promise.resolve(ethers_1.Transaction.from(txData)); } /** * Gets the status of the raw starknet transaction * * @param tx */ async getTxStatus(tx) { const parsedTx = await this.deserializeTx(tx); return await this.getTxIdStatus(parsedTx.hash); } /** * Gets the status of the EVM transaction with a specific txId * * @param txId */ async getTxIdStatus(txId) { const txResponse = await this.provider.getTransaction(txId); if (txResponse == null) return this._knownTxSet.has(txId) ? "pending" : "not_found"; if (txResponse.blockHash == null) return "pending"; const [safeBlockNumber, txReceipt] = await Promise.all([ this.root.config.safeBlockTag === "latest" ? Promise.resolve(null) : this.provider.getBlock(this.root.config.safeBlockTag).then(res => res.number), this.provider.getTransactionReceipt(txId) ]); if (txReceipt == null || (safeBlockNumber != null && txReceipt.blockNumber > safeBlockNumber)) return "pending"; if (txReceipt.status === 0) return "reverted"; return "success"; } onBeforeTxSigned(callback) { this.cbksBeforeTxSigned.push(callback); } offBeforeTxSigned(callback) { const index = this.cbksBeforeTxSigned.indexOf(callback); if (index === -1) return false; this.cbksBeforeTxSigned.splice(index, 1); return true; } onSendTransaction(callback) { this.cbkSendTransaction = callback; } offSendTransaction(callback) { this.cbkSendTransaction = null; return true; } onBeforeTxReplace(callback) { this._cbksBeforeTxReplace.push(callback); } offBeforeTxReplace(callback) { const index = this._cbksBeforeTxReplace.indexOf(callback); if (index === -1) return false; this._cbksBeforeTxReplace.splice(index, 1); return true; } traceTransaction(txId) { return this.provider.send("debug_traceTransaction", [ txId, { tracer: "callTracer" } ]); } } exports.EVMTransactions = EVMTransactions;