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@polygon-hermez/vm

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"use strict"; var __assign = (this && this.__assign) || function () { __assign = Object.assign || function(t) { for (var s, i = 1, n = arguments.length; i < n; i++) { s = arguments[i]; for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p)) t[p] = s[p]; } return t; }; return __assign.apply(this, arguments); }; var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) { if (k2 === undefined) k2 = k; var desc = Object.getOwnPropertyDescriptor(m, k); if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) { desc = { enumerable: true, get: function() { return m[k]; } }; } Object.defineProperty(o, k2, desc); }) : (function(o, m, k, k2) { if (k2 === undefined) k2 = k; o[k2] = m[k]; })); var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) { Object.defineProperty(o, "default", { enumerable: true, value: v }); }) : function(o, v) { o["default"] = v; }); var __importStar = (this && this.__importStar) || function (mod) { if (mod && mod.__esModule) return mod; var result = {}; if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k); __setModuleDefault(result, mod); return result; }; var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) { function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); } return new (P || (P = Promise))(function (resolve, reject) { function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } } function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } } function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); } step((generator = generator.apply(thisArg, _arguments || [])).next()); }); }; var __generator = (this && this.__generator) || function (thisArg, body) { var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g; return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g; function verb(n) { return function (v) { return step([n, v]); }; } function step(op) { if (f) throw new TypeError("Generator is already executing."); while (g && (g = 0, op[0] && (_ = 0)), _) try { if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t; if (y = 0, t) op = [op[0] & 2, t.value]; switch (op[0]) { case 0: case 1: t = op; break; case 4: _.label++; return { value: op[1], done: false }; case 5: _.label++; y = op[1]; op = [0]; continue; case 7: op = _.ops.pop(); _.trys.pop(); continue; default: if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; } if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; } if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; } if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; } if (t[2]) _.ops.pop(); _.trys.pop(); continue; } op = body.call(thisArg, _); } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; } if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true }; } }; var __values = (this && this.__values) || function(o) { var s = typeof Symbol === "function" && Symbol.iterator, m = s && o[s], i = 0; if (m) return m.call(o); if (o && typeof o.length === "number") return { next: function () { if (o && i >= o.length) o = void 0; return { value: o && o[i++], done: !o }; } }; throw new TypeError(s ? "Object is not iterable." : "Symbol.iterator is not defined."); }; var __read = (this && this.__read) || function (o, n) { var m = typeof Symbol === "function" && o[Symbol.iterator]; if (!m) return o; var i = m.call(o), r, ar = [], e; try { while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value); } catch (error) { e = { error: error }; } finally { try { if (r && !r.done && (m = i["return"])) m.call(i); } finally { if (e) throw e.error; } } return ar; }; var __importDefault = (this && this.__importDefault) || function (mod) { return (mod && mod.__esModule) ? mod : { "default": mod }; }; Object.defineProperty(exports, "__esModule", { value: true }); exports.generateTxReceipt = exports.encodeReceipt = exports.rewardAccount = exports.calculateMinerReward = void 0; var debug_1 = require("debug"); var merkle_patricia_tree_1 = require("merkle-patricia-tree"); var ethereumjs_util_1 = require("ethereumjs-util"); var block_1 = require("@ethereumjs/block"); var common_1 = require("@ethereumjs/common"); var bloom_1 = __importDefault(require("./bloom")); var opcodes_1 = require("./evm/opcodes"); var tx_1 = require("@ethereumjs/tx"); var DAOConfig = __importStar(require("./config/dao_fork_accounts_config.json")); var debug = (0, debug_1.debug)('vm:block'); /* DAO account list */ var DAOAccountList = DAOConfig.DAOAccounts; var DAORefundContract = DAOConfig.DAORefundContract; /** * @ignore */ function runBlock(opts) { return __awaiter(this, void 0, void 0, function () { var state, root, block, generateFields, result, err_1, stateRoot, bloom, gasUsed, receiptTrie, transactionsTrie, generatedFields, blockData, msg, msg, msg, msg, results, afterBlockEvent; return __generator(this, function (_a) { switch (_a.label) { case 0: state = this.stateManager; root = opts.root; block = opts.block; generateFields = !!opts.generate; /** * The `beforeBlock` event. * * @event Event: beforeBlock * @type {Object} * @property {Block} block emits the block that is about to be processed */ return [4 /*yield*/, this._emit('beforeBlock', block)]; case 1: /** * The `beforeBlock` event. * * @event Event: beforeBlock * @type {Object} * @property {Block} block emits the block that is about to be processed */ _a.sent(); if (this._hardforkByBlockNumber || this._hardforkByTD) { this._common.setHardforkByBlockNumber(block.header.number.toNumber(), this._hardforkByTD); } if (this.DEBUG) { debug('-'.repeat(100)); debug("Running block hash=".concat(block.hash().toString('hex'), " number=").concat(block.header.number, " hardfork=").concat(this._common.hardfork())); } if (!root) return [3 /*break*/, 3]; if (this.DEBUG) { debug("Set provided state root ".concat(root.toString('hex'))); } return [4 /*yield*/, state.setStateRoot(root)]; case 2: _a.sent(); _a.label = 3; case 3: if (!(this._common.hardforkIsActiveOnChain('dao') && block.header.number.eq(this._common.hardforkBlockBN('dao')))) return [3 /*break*/, 5]; if (this.DEBUG) { debug("Apply DAO hardfork"); } return [4 /*yield*/, _applyDAOHardfork(state)]; case 4: _a.sent(); _a.label = 5; case 5: // Checkpoint state return [4 /*yield*/, state.checkpoint()]; case 6: // Checkpoint state _a.sent(); if (this.DEBUG) { debug("block checkpoint"); } _a.label = 7; case 7: _a.trys.push([7, 9, , 11]); return [4 /*yield*/, applyBlock.bind(this)(block, opts)]; case 8: result = _a.sent(); if (this.DEBUG) { debug("Received block results gasUsed=".concat(result.gasUsed, " bloom=").concat((0, opcodes_1.short)(result.bloom.bitvector), " (").concat(result.bloom.bitvector.length, " bytes) receiptRoot=").concat(result.receiptRoot.toString('hex'), " receipts=").concat(result.receipts.length, " txResults=").concat(result.results.length)); } return [3 /*break*/, 11]; case 9: err_1 = _a.sent(); return [4 /*yield*/, state.revert()]; case 10: _a.sent(); if (this.DEBUG) { debug("block checkpoint reverted"); } throw err_1; case 11: // Persist state return [4 /*yield*/, state.commit()]; case 12: // Persist state _a.sent(); if (this.DEBUG) { debug("block checkpoint committed"); } return [4 /*yield*/, state.getStateRoot(false) // Given the generate option, either set resulting header // values to the current block, or validate the resulting // header values against the current block. ]; case 13: stateRoot = _a.sent(); if (!generateFields) return [3 /*break*/, 15]; bloom = result.bloom.bitvector; gasUsed = result.gasUsed; receiptTrie = result.receiptRoot; return [4 /*yield*/, _genTxTrie(block)]; case 14: transactionsTrie = _a.sent(); generatedFields = { stateRoot: stateRoot, bloom: bloom, gasUsed: gasUsed, receiptTrie: receiptTrie, transactionsTrie: transactionsTrie }; blockData = __assign(__assign({}, block), { header: __assign(__assign({}, block.header), generatedFields) }); block = block_1.Block.fromBlockData(blockData, { common: this._common }); return [3 /*break*/, 16]; case 15: if (result.receiptRoot && !result.receiptRoot.equals(block.header.receiptTrie)) { if (this.DEBUG) { debug("Invalid receiptTrie received=".concat(result.receiptRoot.toString('hex'), " expected=").concat(block.header.receiptTrie.toString('hex'))); } msg = _errorMsg('invalid receiptTrie', this, block); throw new Error(msg); } if (!result.bloom.bitvector.equals(block.header.logsBloom)) { if (this.DEBUG) { debug("Invalid bloom received=".concat(result.bloom.bitvector.toString('hex'), " expected=").concat(block.header.logsBloom.toString('hex'))); } msg = _errorMsg('invalid bloom', this, block); throw new Error(msg); } if (!result.gasUsed.eq(block.header.gasUsed)) { if (this.DEBUG) { debug("Invalid gasUsed received=".concat(result.gasUsed, " expected=").concat(block.header.gasUsed)); } msg = _errorMsg('invalid gasUsed', this, block); throw new Error(msg); } if (!stateRoot.equals(block.header.stateRoot)) { if (this.DEBUG) { debug("Invalid stateRoot received=".concat(stateRoot.toString('hex'), " expected=").concat(block.header.stateRoot.toString('hex'))); } msg = _errorMsg('invalid block stateRoot', this, block); throw new Error(msg); } _a.label = 16; case 16: results = { receipts: result.receipts, results: result.results, stateRoot: stateRoot, gasUsed: result.gasUsed, logsBloom: result.bloom.bitvector, receiptRoot: result.receiptRoot, }; afterBlockEvent = __assign(__assign({}, results), { block: block }); /** * The `afterBlock` event * * @event Event: afterBlock * @type {AfterBlockEvent} * @property {AfterBlockEvent} result emits the results of processing a block */ return [4 /*yield*/, this._emit('afterBlock', afterBlockEvent)]; case 17: /** * The `afterBlock` event * * @event Event: afterBlock * @type {AfterBlockEvent} * @property {AfterBlockEvent} result emits the results of processing a block */ _a.sent(); if (this.DEBUG) { debug("Running block finished hash=".concat(block.hash().toString('hex'), " number=").concat(block.header.number, " hardfork=").concat(this._common.hardfork())); } return [2 /*return*/, results]; } }); }); } exports.default = runBlock; /** * Validates and applies a block, computing the results of * applying its transactions. This method doesn't modify the * block itself. It computes the block rewards and puts * them on state (but doesn't persist the changes). * @param {Block} block * @param {RunBlockOpts} opts */ function applyBlock(block, opts) { return __awaiter(this, void 0, void 0, function () { var msg, blockResults; return __generator(this, function (_a) { switch (_a.label) { case 0: if (!!opts.skipBlockValidation) return [3 /*break*/, 3]; if (!block.header.gasLimit.gte(new ethereumjs_util_1.BN('8000000000000000', 16))) return [3 /*break*/, 1]; msg = _errorMsg('Invalid block with gas limit greater than (2^63 - 1)', this, block); throw new Error(msg); case 1: if (this.DEBUG) { debug("Validate block"); } return [4 /*yield*/, block.validate(this.blockchain)]; case 2: _a.sent(); _a.label = 3; case 3: // Apply transactions if (this.DEBUG) { debug("Apply transactions"); } return [4 /*yield*/, applyTransactions.bind(this)(block, opts) // Pay ommers and miners ]; case 4: blockResults = _a.sent(); if (!(block._common.consensusType() === common_1.ConsensusType.ProofOfWork)) return [3 /*break*/, 6]; return [4 /*yield*/, assignBlockRewards.bind(this)(block)]; case 5: _a.sent(); _a.label = 6; case 6: return [2 /*return*/, blockResults]; } }); }); } /** * Applies the transactions in a block, computing the receipts * as well as gas usage and some relevant data. This method is * side-effect free (it doesn't modify the block nor the state). * @param {Block} block * @param {RunBlockOpts} opts */ function applyTransactions(block, opts) { return __awaiter(this, void 0, void 0, function () { var bloom, gasUsed, receiptTrie, receipts, txResults, txIdx, tx, maxGasLimit, gasLimitIsHigherThanBlock, msg, skipBalance, skipNonce, txRes, encodedReceipt; return __generator(this, function (_a) { switch (_a.label) { case 0: bloom = new bloom_1.default(); gasUsed = new ethereumjs_util_1.BN(0); receiptTrie = new merkle_patricia_tree_1.BaseTrie(); receipts = []; txResults = []; txIdx = 0; _a.label = 1; case 1: if (!(txIdx < block.transactions.length)) return [3 /*break*/, 5]; tx = block.transactions[txIdx]; maxGasLimit = void 0; if (this._common.isActivatedEIP(1559)) { maxGasLimit = block.header.gasLimit.muln(this._common.param('gasConfig', 'elasticityMultiplier')); } else { maxGasLimit = block.header.gasLimit; } gasLimitIsHigherThanBlock = maxGasLimit.lt(tx.gasLimit.add(gasUsed)); if (gasLimitIsHigherThanBlock) { msg = _errorMsg('tx has a higher gas limit than the block', this, block); throw new Error(msg); } skipBalance = opts.skipBalance, skipNonce = opts.skipNonce; return [4 /*yield*/, this.runTx({ tx: tx, block: block, skipBalance: skipBalance, skipNonce: skipNonce, blockGasUsed: gasUsed, })]; case 2: txRes = _a.sent(); txResults.push(txRes); if (this.DEBUG) { debug('-'.repeat(100)); } // Add to total block gas usage gasUsed = gasUsed.add(txRes.gasUsed); if (this.DEBUG) { debug("Add tx gas used (".concat(txRes.gasUsed, ") to total block gas usage (-> ").concat(gasUsed, ")")); } // Combine blooms via bitwise OR bloom.or(txRes.bloom); // Add receipt to trie to later calculate receipt root receipts.push(txRes.receipt); encodedReceipt = encodeReceipt(tx, txRes.receipt); return [4 /*yield*/, receiptTrie.put(ethereumjs_util_1.rlp.encode(txIdx), encodedReceipt)]; case 3: _a.sent(); _a.label = 4; case 4: txIdx++; return [3 /*break*/, 1]; case 5: return [2 /*return*/, { bloom: bloom, gasUsed: gasUsed, receiptRoot: receiptTrie.root, receipts: receipts, results: txResults, }]; } }); }); } /** * Calculates block rewards for miner and ommers and puts * the updated balances of their accounts to state. */ function assignBlockRewards(block) { return __awaiter(this, void 0, void 0, function () { var state, minerReward, ommers, ommers_1, ommers_1_1, ommer, reward_1, account_1, e_1_1, reward, account; var e_1, _a; return __generator(this, function (_b) { switch (_b.label) { case 0: if (this.DEBUG) { debug("Assign block rewards"); } state = this.stateManager; minerReward = new ethereumjs_util_1.BN(this._common.param('pow', 'minerReward')); ommers = block.uncleHeaders; _b.label = 1; case 1: _b.trys.push([1, 6, 7, 8]); ommers_1 = __values(ommers), ommers_1_1 = ommers_1.next(); _b.label = 2; case 2: if (!!ommers_1_1.done) return [3 /*break*/, 5]; ommer = ommers_1_1.value; reward_1 = calculateOmmerReward(ommer.number, block.header.number, minerReward); return [4 /*yield*/, rewardAccount(state, ommer.coinbase, reward_1)]; case 3: account_1 = _b.sent(); if (this.DEBUG) { debug("Add uncle reward ".concat(reward_1, " to account ").concat(ommer.coinbase, " (-> ").concat(account_1.balance, ")")); } _b.label = 4; case 4: ommers_1_1 = ommers_1.next(); return [3 /*break*/, 2]; case 5: return [3 /*break*/, 8]; case 6: e_1_1 = _b.sent(); e_1 = { error: e_1_1 }; return [3 /*break*/, 8]; case 7: try { if (ommers_1_1 && !ommers_1_1.done && (_a = ommers_1.return)) _a.call(ommers_1); } finally { if (e_1) throw e_1.error; } return [7 /*endfinally*/]; case 8: reward = calculateMinerReward(minerReward, ommers.length); return [4 /*yield*/, rewardAccount(state, block.header.coinbase, reward)]; case 9: account = _b.sent(); if (this.DEBUG) { debug("Add miner reward ".concat(reward, " to account ").concat(block.header.coinbase, " (-> ").concat(account.balance, ")")); } return [2 /*return*/]; } }); }); } function calculateOmmerReward(ommerBlockNumber, blockNumber, minerReward) { var heightDiff = blockNumber.sub(ommerBlockNumber); var reward = new ethereumjs_util_1.BN(8).sub(heightDiff).mul(minerReward.divn(8)); if (reward.ltn(0)) { reward = new ethereumjs_util_1.BN(0); } return reward; } function calculateMinerReward(minerReward, ommersNum) { // calculate nibling reward var niblingReward = minerReward.divn(32); var totalNiblingReward = niblingReward.muln(ommersNum); var reward = minerReward.add(totalNiblingReward); return reward; } exports.calculateMinerReward = calculateMinerReward; function rewardAccount(state, address, reward) { return __awaiter(this, void 0, void 0, function () { var account; return __generator(this, function (_a) { switch (_a.label) { case 0: return [4 /*yield*/, state.getAccount(address)]; case 1: account = _a.sent(); account.balance.iadd(reward); return [4 /*yield*/, state.putAccount(address, account)]; case 2: _a.sent(); return [2 /*return*/, account]; } }); }); } exports.rewardAccount = rewardAccount; /** * Returns the encoded tx receipt. */ function encodeReceipt(tx, receipt) { var _a; var encoded = ethereumjs_util_1.rlp.encode([ (_a = receipt.stateRoot) !== null && _a !== void 0 ? _a : receipt.status, receipt.gasUsed, receipt.bitvector, receipt.logs, ]); if (!tx.supports(tx_1.Capability.EIP2718TypedTransaction)) { return encoded; } var type = (0, ethereumjs_util_1.intToBuffer)(tx.type); return Buffer.concat([type, encoded]); } exports.encodeReceipt = encodeReceipt; /** * Generates the tx receipt and returns { txReceipt, encodedReceipt, receiptLog } * @deprecated Please use the new `generateTxReceipt` located in runTx. */ function generateTxReceipt(tx, txRes, blockGasUsed) { var _a; return __awaiter(this, void 0, void 0, function () { var abstractTxReceipt, txReceipt, encodedReceipt, receiptLog, statusInfo, stateRoot; return __generator(this, function (_b) { switch (_b.label) { case 0: abstractTxReceipt = { gasUsed: blockGasUsed.toArrayLike(Buffer), bitvector: txRes.bloom.bitvector, logs: (_a = txRes.execResult.logs) !== null && _a !== void 0 ? _a : [], }; receiptLog = "Generate tx receipt transactionType=".concat(tx.type, " gasUsed=").concat(blockGasUsed, " bitvector=").concat((0, opcodes_1.short)(abstractTxReceipt.bitvector), " (").concat(abstractTxReceipt.bitvector.length, " bytes) logs=").concat(abstractTxReceipt.logs.length); if (!!tx.supports(999)) return [3 /*break*/, 4]; if (!this._common.gteHardfork('byzantium')) return [3 /*break*/, 1]; // Post-Byzantium txReceipt = __assign({ status: txRes.execResult.exceptionError ? 0 : 1 }, abstractTxReceipt); statusInfo = txRes.execResult.exceptionError ? 'error' : 'ok'; receiptLog += " status=".concat(txReceipt.status, " (").concat(statusInfo, ") (>= Byzantium)"); return [3 /*break*/, 3]; case 1: return [4 /*yield*/, this.stateManager.getStateRoot(true)]; case 2: stateRoot = _b.sent(); txReceipt = __assign({ stateRoot: stateRoot }, abstractTxReceipt); receiptLog += " stateRoot=".concat(txReceipt.stateRoot.toString('hex'), " (< Byzantium)"); _b.label = 3; case 3: encodedReceipt = ethereumjs_util_1.rlp.encode(Object.values(txReceipt)); return [3 /*break*/, 5]; case 4: // EIP2930 Transaction txReceipt = __assign({ status: txRes.execResult.exceptionError ? 0 : 1 }, abstractTxReceipt); encodedReceipt = Buffer.concat([(0, ethereumjs_util_1.intToBuffer)(tx.type), ethereumjs_util_1.rlp.encode(Object.values(txReceipt))]); _b.label = 5; case 5: return [2 /*return*/, { txReceipt: txReceipt, encodedReceipt: encodedReceipt, receiptLog: receiptLog, }]; } }); }); } exports.generateTxReceipt = generateTxReceipt; // apply the DAO fork changes to the VM function _applyDAOHardfork(state) { return __awaiter(this, void 0, void 0, function () { var DAORefundContractAddress, DAORefundAccount, DAOAccountList_1, DAOAccountList_1_1, addr, address, account, e_2_1; var e_2, _a; return __generator(this, function (_b) { switch (_b.label) { case 0: DAORefundContractAddress = new ethereumjs_util_1.Address(Buffer.from(DAORefundContract, 'hex')); if (!!state.accountExists(DAORefundContractAddress)) return [3 /*break*/, 2]; return [4 /*yield*/, state.putAccount(DAORefundContractAddress, new ethereumjs_util_1.Account())]; case 1: _b.sent(); _b.label = 2; case 2: return [4 /*yield*/, state.getAccount(DAORefundContractAddress)]; case 3: DAORefundAccount = _b.sent(); _b.label = 4; case 4: _b.trys.push([4, 10, 11, 12]); DAOAccountList_1 = __values(DAOAccountList), DAOAccountList_1_1 = DAOAccountList_1.next(); _b.label = 5; case 5: if (!!DAOAccountList_1_1.done) return [3 /*break*/, 9]; addr = DAOAccountList_1_1.value; address = new ethereumjs_util_1.Address(Buffer.from(addr, 'hex')); return [4 /*yield*/, state.getAccount(address)]; case 6: account = _b.sent(); DAORefundAccount.balance.iadd(account.balance); // clear the accounts' balance account.balance = new ethereumjs_util_1.BN(0); return [4 /*yield*/, state.putAccount(address, account)]; case 7: _b.sent(); _b.label = 8; case 8: DAOAccountList_1_1 = DAOAccountList_1.next(); return [3 /*break*/, 5]; case 9: return [3 /*break*/, 12]; case 10: e_2_1 = _b.sent(); e_2 = { error: e_2_1 }; return [3 /*break*/, 12]; case 11: try { if (DAOAccountList_1_1 && !DAOAccountList_1_1.done && (_a = DAOAccountList_1.return)) _a.call(DAOAccountList_1); } finally { if (e_2) throw e_2.error; } return [7 /*endfinally*/]; case 12: // finally, put the Refund Account return [4 /*yield*/, state.putAccount(DAORefundContractAddress, DAORefundAccount)]; case 13: // finally, put the Refund Account _b.sent(); return [2 /*return*/]; } }); }); } function _genTxTrie(block) { return __awaiter(this, void 0, void 0, function () { var trie, _a, _b, _c, i, tx, e_3_1; var e_3, _d; return __generator(this, function (_e) { switch (_e.label) { case 0: trie = new merkle_patricia_tree_1.BaseTrie(); _e.label = 1; case 1: _e.trys.push([1, 6, 7, 8]); _a = __values(block.transactions.entries()), _b = _a.next(); _e.label = 2; case 2: if (!!_b.done) return [3 /*break*/, 5]; _c = __read(_b.value, 2), i = _c[0], tx = _c[1]; return [4 /*yield*/, trie.put(ethereumjs_util_1.rlp.encode(i), tx.serialize())]; case 3: _e.sent(); _e.label = 4; case 4: _b = _a.next(); return [3 /*break*/, 2]; case 5: return [3 /*break*/, 8]; case 6: e_3_1 = _e.sent(); e_3 = { error: e_3_1 }; return [3 /*break*/, 8]; case 7: try { if (_b && !_b.done && (_d = _a.return)) _d.call(_a); } finally { if (e_3) throw e_3.error; } return [7 /*endfinally*/]; case 8: return [2 /*return*/, trie.root]; } }); }); } /** * Internal helper function to create an annotated error message * * @param msg Base error message * @hidden */ function _errorMsg(msg, vm, block) { var blockErrorStr = 'errorStr' in block ? block.errorStr() : 'block'; var errorMsg = "".concat(msg, " (").concat(vm.errorStr(), " -> ").concat(blockErrorStr, ")"); return errorMsg; } //# sourceMappingURL=runBlock.js.map