@ethereumjs/tx/dist/esm/7702/constructors.js

Implementation of the various Ethereum Transaction Types

import { RLP } from '@ethereumjs/rlp';
import { EthereumJSErrorWithoutCode, bytesToBigInt, bytesToHex, equalsBytes, validateNoLeadingZeroes, } from '@ethereumjs/util';
import { TransactionType } from "../types.js";
import { txTypeBytes, validateNotArray } from "../util/internal.js";
import { EOACode7702Tx } from "./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
 */
export function createEOACode7702Tx(txData, opts = {}) {
    return new 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, signatureYParity, signatureR, signatureS]`
 */
export function createEOACode7702TxFromBytesArray(values, opts = {}) {
    if (values.length !== 10 && values.length !== 13) {
        throw 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;
    validateNotArray({ chainId, v });
    validateNoLeadingZeroes({ nonce, maxPriorityFeePerGas, maxFeePerGas, gasLimit, value, v, r, s });
    return new EOACode7702Tx({
        chainId: bytesToBigInt(chainId),
        nonce,
        maxPriorityFeePerGas,
        maxFeePerGas,
        gasLimit,
        to,
        value,
        data,
        accessList: accessList ?? [],
        authorizationList: authorityList ?? [],
        v: v !== undefined ? 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])`
 */
export function createEOACode7702TxFromRLP(serialized, opts = {}) {
    if (equalsBytes(serialized.subarray(0, 1), txTypeBytes(TransactionType.EOACodeEIP7702)) === false) {
        throw EthereumJSErrorWithoutCode(`Invalid serialized tx input: not an EIP-7702 transaction (wrong tx type, expected: ${TransactionType.EOACodeEIP7702}, received: ${bytesToHex(serialized.subarray(0, 1))}`);
    }
    const values = RLP.decode(serialized.subarray(1));
    if (!Array.isArray(values)) {
        throw EthereumJSErrorWithoutCode('Invalid serialized tx input: must be array');
    }
    return createEOACode7702TxFromBytesArray(values, opts);
}
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