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