@ethereumjs/tx
Version:
Implementation of the various Ethereum Transaction Types
69 lines • 3.28 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.createEOACode7702Tx = createEOACode7702Tx;
exports.createEOACode7702TxFromBytesArray = createEOACode7702TxFromBytesArray;
exports.createEOACode7702TxFromRLP = createEOACode7702TxFromRLP;
const rlp_1 = require("@ethereumjs/rlp");
const util_1 = require("@ethereumjs/util");
const types_ts_1 = require("../types.js");
const internal_ts_1 = require("../util/internal.js");
const tx_ts_1 = require("./tx.js");
/**
* Instantiate a transaction from a data dictionary.
*
* Format: { chainId, nonce, maxPriorityFeePerGas, maxFeePerGas, gasLimit, to, value, data,
* accessList, v, r, s }
*
* Notes:
* - `chainId` will be set automatically if not provided
* - All parameters are optional and have some basic default values
*/
function createEOACode7702Tx(txData, opts = {}) {
return new tx_ts_1.EOACode7702Tx(txData, opts);
}
/**
* Create a transaction from an array of byte encoded values ordered according to the devp2p network encoding - format noted below.
*
* Format: `[chainId, nonce, maxPriorityFeePerGas, maxFeePerGas, gasLimit, to, value, data,
* accessList, authorityList, signatureYParity, signatureR, signatureS]`
*/
function createEOACode7702TxFromBytesArray(values, opts = {}) {
if (values.length !== 10 && values.length !== 13) {
throw (0, util_1.EthereumJSErrorWithoutCode)('Invalid EIP-7702 transaction. Only expecting 10 values (for unsigned tx) or 13 values (for signed tx).');
}
const [chainId, nonce, maxPriorityFeePerGas, maxFeePerGas, gasLimit, to, value, data, accessList, authorityList, v, r, s,] = values;
(0, internal_ts_1.validateNotArray)({ chainId, v });
(0, util_1.validateNoLeadingZeroes)({ nonce, maxPriorityFeePerGas, maxFeePerGas, gasLimit, value, v, r, s });
return new tx_ts_1.EOACode7702Tx({
chainId: (0, util_1.bytesToBigInt)(chainId),
nonce,
maxPriorityFeePerGas,
maxFeePerGas,
gasLimit,
to,
value,
data,
accessList: accessList ?? [],
authorizationList: authorityList ?? [],
v: v !== undefined ? (0, util_1.bytesToBigInt)(v) : undefined, // EIP2930 supports v's with value 0 (empty Uint8Array)
r,
s,
}, opts);
}
/**
* Instantiate a transaction from a RLP serialized tx.
*
* Format: `0x04 || rlp([chainId, nonce, maxPriorityFeePerGas, maxFeePerGas, gasLimit, to, value, data,
* accessList, signatureYParity, signatureR, signatureS])`
*/
function createEOACode7702TxFromRLP(serialized, opts = {}) {
if ((0, util_1.equalsBytes)(serialized.subarray(0, 1), (0, internal_ts_1.txTypeBytes)(types_ts_1.TransactionType.EOACodeEIP7702)) === false) {
throw (0, util_1.EthereumJSErrorWithoutCode)(`Invalid serialized tx input: not an EIP-7702 transaction (wrong tx type, expected: ${types_ts_1.TransactionType.EOACodeEIP7702}, received: ${(0, util_1.bytesToHex)(serialized.subarray(0, 1))}`);
}
const values = rlp_1.RLP.decode(serialized.subarray(1));
if (!Array.isArray(values)) {
throw (0, util_1.EthereumJSErrorWithoutCode)('Invalid serialized tx input: must be array');
}
return createEOACode7702TxFromBytesArray(values, opts);
}
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