415 lines
16 KiB
JavaScript
415 lines
16 KiB
JavaScript
"use strict";
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var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
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if (k2 === undefined) k2 = k;
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Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
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}) : (function(o, m, k, k2) {
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if (k2 === undefined) k2 = k;
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o[k2] = m[k];
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}));
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var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
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Object.defineProperty(o, "default", { enumerable: true, value: v });
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}) : function(o, v) {
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o["default"] = v;
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});
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var __importStar = (this && this.__importStar) || function (mod) {
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if (mod && mod.__esModule) return mod;
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var result = {};
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if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
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__setModuleDefault(result, mod);
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return result;
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};
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.parse = exports.serialize = exports.accessListify = exports.recoverAddress = exports.computeAddress = exports.TransactionTypes = void 0;
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var address_1 = require("@ethersproject/address");
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var bignumber_1 = require("@ethersproject/bignumber");
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var bytes_1 = require("@ethersproject/bytes");
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var constants_1 = require("@ethersproject/constants");
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var keccak256_1 = require("@ethersproject/keccak256");
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var properties_1 = require("@ethersproject/properties");
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var RLP = __importStar(require("@ethersproject/rlp"));
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var signing_key_1 = require("@ethersproject/signing-key");
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var logger_1 = require("@ethersproject/logger");
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var _version_1 = require("./_version");
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var logger = new logger_1.Logger(_version_1.version);
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var TransactionTypes;
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(function (TransactionTypes) {
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TransactionTypes[TransactionTypes["legacy"] = 0] = "legacy";
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TransactionTypes[TransactionTypes["eip2930"] = 1] = "eip2930";
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TransactionTypes[TransactionTypes["eip1559"] = 2] = "eip1559";
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})(TransactionTypes = exports.TransactionTypes || (exports.TransactionTypes = {}));
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;
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///////////////////////////////
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function handleAddress(value) {
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if (value === "0x") {
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return null;
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}
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return address_1.getAddress(value);
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}
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function handleNumber(value) {
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if (value === "0x") {
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return constants_1.Zero;
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}
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return bignumber_1.BigNumber.from(value);
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}
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// Legacy Transaction Fields
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var transactionFields = [
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{ name: "nonce", maxLength: 32, numeric: true },
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{ name: "gasPrice", maxLength: 32, numeric: true },
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{ name: "gasLimit", maxLength: 32, numeric: true },
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{ name: "to", length: 20 },
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{ name: "value", maxLength: 32, numeric: true },
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{ name: "data" },
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];
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var allowedTransactionKeys = {
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chainId: true, data: true, gasLimit: true, gasPrice: true, nonce: true, to: true, type: true, value: true
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};
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function computeAddress(key) {
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var publicKey = signing_key_1.computePublicKey(key);
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return address_1.getAddress(bytes_1.hexDataSlice(keccak256_1.keccak256(bytes_1.hexDataSlice(publicKey, 1)), 12));
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}
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exports.computeAddress = computeAddress;
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function recoverAddress(digest, signature) {
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return computeAddress(signing_key_1.recoverPublicKey(bytes_1.arrayify(digest), signature));
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}
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exports.recoverAddress = recoverAddress;
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function formatNumber(value, name) {
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var result = bytes_1.stripZeros(bignumber_1.BigNumber.from(value).toHexString());
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if (result.length > 32) {
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logger.throwArgumentError("invalid length for " + name, ("transaction:" + name), value);
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}
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return result;
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}
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function accessSetify(addr, storageKeys) {
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return {
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address: address_1.getAddress(addr),
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storageKeys: (storageKeys || []).map(function (storageKey, index) {
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if (bytes_1.hexDataLength(storageKey) !== 32) {
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logger.throwArgumentError("invalid access list storageKey", "accessList[" + addr + ":" + index + "]", storageKey);
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}
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return storageKey.toLowerCase();
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})
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};
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}
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function accessListify(value) {
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if (Array.isArray(value)) {
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return value.map(function (set, index) {
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if (Array.isArray(set)) {
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if (set.length > 2) {
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logger.throwArgumentError("access list expected to be [ address, storageKeys[] ]", "value[" + index + "]", set);
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}
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return accessSetify(set[0], set[1]);
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}
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return accessSetify(set.address, set.storageKeys);
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});
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}
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var result = Object.keys(value).map(function (addr) {
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var storageKeys = value[addr].reduce(function (accum, storageKey) {
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accum[storageKey] = true;
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return accum;
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}, {});
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return accessSetify(addr, Object.keys(storageKeys).sort());
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});
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result.sort(function (a, b) { return (a.address.localeCompare(b.address)); });
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return result;
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}
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exports.accessListify = accessListify;
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function formatAccessList(value) {
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return accessListify(value).map(function (set) { return [set.address, set.storageKeys]; });
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}
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function _serializeEip1559(transaction, signature) {
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// If there is an explicit gasPrice, make sure it matches the
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// EIP-1559 fees; otherwise they may not understand what they
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// think they are setting in terms of fee.
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if (transaction.gasPrice != null) {
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var gasPrice = bignumber_1.BigNumber.from(transaction.gasPrice);
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var maxFeePerGas = bignumber_1.BigNumber.from(transaction.maxFeePerGas || 0);
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if (!gasPrice.eq(maxFeePerGas)) {
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logger.throwArgumentError("mismatch EIP-1559 gasPrice != maxFeePerGas", "tx", {
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gasPrice: gasPrice, maxFeePerGas: maxFeePerGas
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});
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}
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}
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var fields = [
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formatNumber(transaction.chainId || 0, "chainId"),
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formatNumber(transaction.nonce || 0, "nonce"),
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formatNumber(transaction.maxPriorityFeePerGas || 0, "maxPriorityFeePerGas"),
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formatNumber(transaction.maxFeePerGas || 0, "maxFeePerGas"),
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formatNumber(transaction.gasLimit || 0, "gasLimit"),
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((transaction.to != null) ? address_1.getAddress(transaction.to) : "0x"),
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formatNumber(transaction.value || 0, "value"),
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(transaction.data || "0x"),
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(formatAccessList(transaction.accessList || []))
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];
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if (signature) {
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var sig = bytes_1.splitSignature(signature);
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fields.push(formatNumber(sig.recoveryParam, "recoveryParam"));
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fields.push(bytes_1.stripZeros(sig.r));
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fields.push(bytes_1.stripZeros(sig.s));
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}
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return bytes_1.hexConcat(["0x02", RLP.encode(fields)]);
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}
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function _serializeEip2930(transaction, signature) {
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var fields = [
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formatNumber(transaction.chainId || 0, "chainId"),
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formatNumber(transaction.nonce || 0, "nonce"),
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formatNumber(transaction.gasPrice || 0, "gasPrice"),
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formatNumber(transaction.gasLimit || 0, "gasLimit"),
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((transaction.to != null) ? address_1.getAddress(transaction.to) : "0x"),
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formatNumber(transaction.value || 0, "value"),
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(transaction.data || "0x"),
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(formatAccessList(transaction.accessList || []))
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];
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if (signature) {
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var sig = bytes_1.splitSignature(signature);
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fields.push(formatNumber(sig.recoveryParam, "recoveryParam"));
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fields.push(bytes_1.stripZeros(sig.r));
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fields.push(bytes_1.stripZeros(sig.s));
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}
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return bytes_1.hexConcat(["0x01", RLP.encode(fields)]);
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}
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// Legacy Transactions and EIP-155
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function _serialize(transaction, signature) {
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properties_1.checkProperties(transaction, allowedTransactionKeys);
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var raw = [];
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transactionFields.forEach(function (fieldInfo) {
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var value = transaction[fieldInfo.name] || ([]);
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var options = {};
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if (fieldInfo.numeric) {
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options.hexPad = "left";
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}
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value = bytes_1.arrayify(bytes_1.hexlify(value, options));
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// Fixed-width field
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if (fieldInfo.length && value.length !== fieldInfo.length && value.length > 0) {
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logger.throwArgumentError("invalid length for " + fieldInfo.name, ("transaction:" + fieldInfo.name), value);
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}
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// Variable-width (with a maximum)
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if (fieldInfo.maxLength) {
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value = bytes_1.stripZeros(value);
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if (value.length > fieldInfo.maxLength) {
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logger.throwArgumentError("invalid length for " + fieldInfo.name, ("transaction:" + fieldInfo.name), value);
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}
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}
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raw.push(bytes_1.hexlify(value));
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});
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var chainId = 0;
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if (transaction.chainId != null) {
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// A chainId was provided; if non-zero we'll use EIP-155
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chainId = transaction.chainId;
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if (typeof (chainId) !== "number") {
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logger.throwArgumentError("invalid transaction.chainId", "transaction", transaction);
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}
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}
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else if (signature && !bytes_1.isBytesLike(signature) && signature.v > 28) {
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// No chainId provided, but the signature is signing with EIP-155; derive chainId
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chainId = Math.floor((signature.v - 35) / 2);
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}
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// We have an EIP-155 transaction (chainId was specified and non-zero)
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if (chainId !== 0) {
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raw.push(bytes_1.hexlify(chainId)); // @TODO: hexValue?
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raw.push("0x");
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raw.push("0x");
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}
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// Requesting an unsigned transation
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if (!signature) {
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return RLP.encode(raw);
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}
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// The splitSignature will ensure the transaction has a recoveryParam in the
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// case that the signTransaction function only adds a v.
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var sig = bytes_1.splitSignature(signature);
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// We pushed a chainId and null r, s on for hashing only; remove those
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var v = 27 + sig.recoveryParam;
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if (chainId !== 0) {
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raw.pop();
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raw.pop();
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raw.pop();
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v += chainId * 2 + 8;
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// If an EIP-155 v (directly or indirectly; maybe _vs) was provided, check it!
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if (sig.v > 28 && sig.v !== v) {
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logger.throwArgumentError("transaction.chainId/signature.v mismatch", "signature", signature);
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}
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}
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else if (sig.v !== v) {
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logger.throwArgumentError("transaction.chainId/signature.v mismatch", "signature", signature);
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}
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raw.push(bytes_1.hexlify(v));
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raw.push(bytes_1.stripZeros(bytes_1.arrayify(sig.r)));
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raw.push(bytes_1.stripZeros(bytes_1.arrayify(sig.s)));
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return RLP.encode(raw);
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}
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function serialize(transaction, signature) {
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// Legacy and EIP-155 Transactions
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if (transaction.type == null || transaction.type === 0) {
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if (transaction.accessList != null) {
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logger.throwArgumentError("untyped transactions do not support accessList; include type: 1", "transaction", transaction);
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}
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return _serialize(transaction, signature);
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}
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// Typed Transactions (EIP-2718)
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switch (transaction.type) {
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case 1:
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return _serializeEip2930(transaction, signature);
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case 2:
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return _serializeEip1559(transaction, signature);
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default:
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break;
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}
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return logger.throwError("unsupported transaction type: " + transaction.type, logger_1.Logger.errors.UNSUPPORTED_OPERATION, {
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operation: "serializeTransaction",
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transactionType: transaction.type
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});
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}
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exports.serialize = serialize;
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function _parseEipSignature(tx, fields, serialize) {
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try {
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var recid = handleNumber(fields[0]).toNumber();
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if (recid !== 0 && recid !== 1) {
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throw new Error("bad recid");
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}
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tx.v = recid;
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}
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catch (error) {
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logger.throwArgumentError("invalid v for transaction type: 1", "v", fields[0]);
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}
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tx.r = bytes_1.hexZeroPad(fields[1], 32);
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tx.s = bytes_1.hexZeroPad(fields[2], 32);
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try {
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var digest = keccak256_1.keccak256(serialize(tx));
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tx.from = recoverAddress(digest, { r: tx.r, s: tx.s, recoveryParam: tx.v });
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}
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catch (error) {
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console.log(error);
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}
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}
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function _parseEip1559(payload) {
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var transaction = RLP.decode(payload.slice(1));
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if (transaction.length !== 9 && transaction.length !== 12) {
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logger.throwArgumentError("invalid component count for transaction type: 2", "payload", bytes_1.hexlify(payload));
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}
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var maxPriorityFeePerGas = handleNumber(transaction[2]);
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var maxFeePerGas = handleNumber(transaction[3]);
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var tx = {
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type: 2,
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chainId: handleNumber(transaction[0]).toNumber(),
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nonce: handleNumber(transaction[1]).toNumber(),
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maxPriorityFeePerGas: maxPriorityFeePerGas,
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maxFeePerGas: maxFeePerGas,
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gasPrice: maxFeePerGas,
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gasLimit: handleNumber(transaction[4]),
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to: handleAddress(transaction[5]),
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value: handleNumber(transaction[6]),
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data: transaction[7],
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accessList: accessListify(transaction[8]),
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};
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// Unsigned EIP-1559 Transaction
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if (transaction.length === 9) {
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return tx;
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}
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tx.hash = keccak256_1.keccak256(payload);
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_parseEipSignature(tx, transaction.slice(9), _serializeEip1559);
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return tx;
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}
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function _parseEip2930(payload) {
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var transaction = RLP.decode(payload.slice(1));
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if (transaction.length !== 8 && transaction.length !== 11) {
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logger.throwArgumentError("invalid component count for transaction type: 1", "payload", bytes_1.hexlify(payload));
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}
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var tx = {
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type: 1,
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chainId: handleNumber(transaction[0]).toNumber(),
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nonce: handleNumber(transaction[1]).toNumber(),
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gasPrice: handleNumber(transaction[2]),
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gasLimit: handleNumber(transaction[3]),
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to: handleAddress(transaction[4]),
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value: handleNumber(transaction[5]),
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data: transaction[6],
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accessList: accessListify(transaction[7])
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};
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// Unsigned EIP-2930 Transaction
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if (transaction.length === 8) {
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return tx;
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}
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tx.hash = keccak256_1.keccak256(payload);
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_parseEipSignature(tx, transaction.slice(8), _serializeEip2930);
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return tx;
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}
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// Legacy Transactions and EIP-155
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function _parse(rawTransaction) {
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var transaction = RLP.decode(rawTransaction);
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if (transaction.length !== 9 && transaction.length !== 6) {
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logger.throwArgumentError("invalid raw transaction", "rawTransaction", rawTransaction);
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}
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var tx = {
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nonce: handleNumber(transaction[0]).toNumber(),
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gasPrice: handleNumber(transaction[1]),
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gasLimit: handleNumber(transaction[2]),
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to: handleAddress(transaction[3]),
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value: handleNumber(transaction[4]),
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data: transaction[5],
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chainId: 0
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};
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// Legacy unsigned transaction
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if (transaction.length === 6) {
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return tx;
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}
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try {
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tx.v = bignumber_1.BigNumber.from(transaction[6]).toNumber();
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}
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catch (error) {
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console.log(error);
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return tx;
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}
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tx.r = bytes_1.hexZeroPad(transaction[7], 32);
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tx.s = bytes_1.hexZeroPad(transaction[8], 32);
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if (bignumber_1.BigNumber.from(tx.r).isZero() && bignumber_1.BigNumber.from(tx.s).isZero()) {
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// EIP-155 unsigned transaction
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tx.chainId = tx.v;
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tx.v = 0;
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}
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else {
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// Signed Tranasaction
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tx.chainId = Math.floor((tx.v - 35) / 2);
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if (tx.chainId < 0) {
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tx.chainId = 0;
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}
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var recoveryParam = tx.v - 27;
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var raw = transaction.slice(0, 6);
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if (tx.chainId !== 0) {
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raw.push(bytes_1.hexlify(tx.chainId));
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raw.push("0x");
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raw.push("0x");
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recoveryParam -= tx.chainId * 2 + 8;
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}
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var digest = keccak256_1.keccak256(RLP.encode(raw));
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try {
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tx.from = recoverAddress(digest, { r: bytes_1.hexlify(tx.r), s: bytes_1.hexlify(tx.s), recoveryParam: recoveryParam });
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}
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catch (error) {
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console.log(error);
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}
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tx.hash = keccak256_1.keccak256(rawTransaction);
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}
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tx.type = null;
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return tx;
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}
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function parse(rawTransaction) {
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var payload = bytes_1.arrayify(rawTransaction);
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// Legacy and EIP-155 Transactions
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if (payload[0] > 0x7f) {
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return _parse(payload);
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}
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// Typed Transaction (EIP-2718)
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switch (payload[0]) {
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case 1:
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return _parseEip2930(payload);
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case 2:
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return _parseEip1559(payload);
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default:
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break;
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}
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return logger.throwError("unsupported transaction type: " + payload[0], logger_1.Logger.errors.UNSUPPORTED_OPERATION, {
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operation: "parseTransaction",
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transactionType: payload[0]
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});
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}
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exports.parse = parse;
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//# sourceMappingURL=index.js.map
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