@okxweb3/coin-ethereum
Version:
An Ethereum SDK for building Web3 wallets and applications.
160 lines • 7.11 kB
JavaScript
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const ethereumjs_util_1 = require("../ethereumjs-util");
const crypto_lib_1 = require("@okxweb3/crypto-lib");
const baseTransaction_1 = require("./baseTransaction");
const util_1 = require("./util");
const TRANSACTION_TYPE = 1;
const TRANSACTION_TYPE_BUFFER = Buffer.from(TRANSACTION_TYPE.toString(16).padStart(2, '0'), 'hex');
class AccessListEIP2930Transaction extends baseTransaction_1.BaseTransaction {
static fromTxData(txData) {
return new AccessListEIP2930Transaction(txData);
}
static fromSerializedTx(serialized) {
if (!serialized.slice(0, 1).equals(TRANSACTION_TYPE_BUFFER)) {
throw new Error(`Invalid serialized tx input: not an EIP-2930 transaction (wrong tx type, expected: ${TRANSACTION_TYPE}, received: ${serialized
.slice(0, 1)
.toString('hex')}`);
}
const values = ethereumjs_util_1.rlp.decode(serialized.slice(1));
if (!Array.isArray(values)) {
throw new Error('Invalid serialized tx input: must be array');
}
return AccessListEIP2930Transaction.fromValuesArray(values);
}
static fromValuesArray(values) {
if (values.length !== 8 && values.length !== 11) {
throw new Error('Invalid EIP-2930 transaction. Only expecting 8 values (for unsigned tx) or 11 values (for signed tx).');
}
const [chainId, nonce, gasPrice, gasLimit, to, value, data, accessList, v, r, s] = values;
(0, ethereumjs_util_1.validateNoLeadingZeroes)({ nonce, gasPrice, gasLimit, value, v, r, s });
const emptyAccessList = [];
return new AccessListEIP2930Transaction({
chainId: new crypto_lib_1.BN(chainId),
nonce,
gasPrice,
gasLimit,
to,
value,
data,
accessList: accessList ?? emptyAccessList,
v: v !== undefined ? new crypto_lib_1.BN(v) : undefined,
r,
s,
});
}
constructor(txData) {
super({ ...txData, type: TRANSACTION_TYPE });
const { chainId, accessList, gasPrice } = txData;
this.chainId = (0, ethereumjs_util_1.toType)(chainId, ethereumjs_util_1.TypeOutput.BN);
this.activeCapabilities = this.activeCapabilities.concat([2718, 2930]);
const accessListData = util_1.AccessLists.getAccessListData(accessList ?? []);
this.accessList = accessListData.accessList;
this.AccessListJSON = accessListData.AccessListJSON;
util_1.AccessLists.verifyAccessList(this.accessList);
this.gasPrice = new crypto_lib_1.BN((0, ethereumjs_util_1.toBuffer)(gasPrice === '' ? '0x' : gasPrice));
this._validateCannotExceedMaxInteger({
gasPrice: this.gasPrice,
});
if (this.gasPrice.mul(this.gasLimit).gt(ethereumjs_util_1.MAX_INTEGER)) {
const msg = this._errorMsg('gasLimit * gasPrice cannot exceed MAX_INTEGER');
throw new Error(msg);
}
if (this.v && !this.v.eqn(0) && !this.v.eqn(1)) {
const msg = this._errorMsg('The y-parity of the transaction should either be 0 or 1');
throw new Error(msg);
}
}
raw() {
return [
(0, ethereumjs_util_1.bnToUnpaddedBuffer)(this.chainId),
(0, ethereumjs_util_1.bnToUnpaddedBuffer)(this.nonce),
(0, ethereumjs_util_1.bnToUnpaddedBuffer)(this.gasPrice),
(0, ethereumjs_util_1.bnToUnpaddedBuffer)(this.gasLimit),
this.to !== undefined ? this.to.buf : Buffer.from([]),
(0, ethereumjs_util_1.bnToUnpaddedBuffer)(this.value),
this.data,
this.accessList,
this.v !== undefined ? (0, ethereumjs_util_1.bnToUnpaddedBuffer)(this.v) : Buffer.from([]),
this.r !== undefined ? (0, ethereumjs_util_1.bnToUnpaddedBuffer)(this.r) : Buffer.from([]),
this.s !== undefined ? (0, ethereumjs_util_1.bnToUnpaddedBuffer)(this.s) : Buffer.from([]),
];
}
serialize() {
const base = this.raw();
return Buffer.concat([TRANSACTION_TYPE_BUFFER, ethereumjs_util_1.rlp.encode(base)]);
}
getMessageToSign(hashMessage = true) {
const base = this.raw().slice(0, 8);
const message = Buffer.concat([TRANSACTION_TYPE_BUFFER, ethereumjs_util_1.rlp.encode(base)]);
if (hashMessage) {
return (0, ethereumjs_util_1.keccak256)(message);
}
else {
return message;
}
}
hash() {
if (!this.isSigned()) {
const msg = this._errorMsg('Cannot call hash method if transaction is not signed');
throw new Error(msg);
}
return (0, ethereumjs_util_1.keccak256)(this.serialize());
}
_processSignature(v, r, s) {
return AccessListEIP2930Transaction.fromTxData({
chainId: this.chainId,
nonce: this.nonce,
gasPrice: this.gasPrice,
gasLimit: this.gasLimit,
to: this.to,
value: this.value,
data: this.data,
accessList: this.accessList,
v: new crypto_lib_1.BN(v - 27),
r: new crypto_lib_1.BN(r),
s: new crypto_lib_1.BN(s),
});
}
_processSignatureWithRawV(v, r, s) {
return AccessListEIP2930Transaction.fromTxData({
chainId: this.chainId,
nonce: this.nonce,
gasPrice: this.gasPrice,
gasLimit: this.gasLimit,
to: this.to,
value: this.value,
data: this.data,
accessList: this.accessList,
v: new crypto_lib_1.BN(v),
r: new crypto_lib_1.BN(r),
s: new crypto_lib_1.BN(s),
});
}
toJSON() {
const accessListJSON = util_1.AccessLists.getAccessListJSON(this.accessList);
return {
chainId: (0, ethereumjs_util_1.bnToHex)(this.chainId),
nonce: (0, ethereumjs_util_1.bnToHex)(this.nonce),
gasPrice: (0, ethereumjs_util_1.bnToHex)(this.gasPrice),
gasLimit: (0, ethereumjs_util_1.bnToHex)(this.gasLimit),
to: this.to !== undefined ? this.to.toString() : undefined,
value: (0, ethereumjs_util_1.bnToHex)(this.value),
data: '0x' + this.data.toString('hex'),
accessList: accessListJSON,
v: this.v !== undefined ? (0, ethereumjs_util_1.bnToHex)(this.v) : undefined,
r: this.r !== undefined ? (0, ethereumjs_util_1.bnToHex)(this.r) : undefined,
s: this.s !== undefined ? (0, ethereumjs_util_1.bnToHex)(this.s) : undefined,
};
}
errorStr() {
let errorStr = this._getSharedErrorPostfix();
errorStr += ` gasPrice=${this.gasPrice} accessListCount=${this.accessList?.length ?? 0}`;
return errorStr;
}
_errorMsg(msg) {
return `${msg} (${this.errorStr()})`;
}
}
exports.default = AccessListEIP2930Transaction;
//# sourceMappingURL=eip2930Transaction.js.map