viem
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JavaScript
import { concatHex } from '../utils/data/concat.js';
import { toHex } from '../utils/encoding/toHex.js';
import { toRlp } from '../utils/encoding/toRlp.js';
import { serializeTransaction as serializeTransaction_ } from '../utils/transaction/serializeTransaction.js';
import { gasPerPubdataDefault } from './constants/number.js';
import { assertEip712Transaction } from './utils/assertEip712Transaction.js';
import { isEIP712Transaction } from './utils/isEip712Transaction.js';
export function serializeTransaction(transaction, signature) {
if (isEIP712Transaction(transaction))
return serializeTransactionEIP712(transaction);
return serializeTransaction_(transaction, signature);
}
export const serializers = {
transaction: serializeTransaction,
};
function serializeTransactionEIP712(transaction) {
const { chainId, gas, nonce, to, from, value, maxFeePerGas, maxPriorityFeePerGas, customSignature, factoryDeps, paymaster, paymasterInput, gasPerPubdata, data, } = transaction;
assertEip712Transaction(transaction);
const serializedTransaction = [
nonce ? toHex(nonce) : '0x',
maxPriorityFeePerGas ? toHex(maxPriorityFeePerGas) : '0x',
maxFeePerGas ? toHex(maxFeePerGas) : '0x',
gas ? toHex(gas) : '0x',
to ?? '0x',
value ? toHex(value) : '0x',
data ?? '0x',
toHex(chainId),
toHex(''),
toHex(''),
toHex(chainId),
from ?? '0x',
gasPerPubdata ? toHex(gasPerPubdata) : toHex(gasPerPubdataDefault),
factoryDeps ?? [],
customSignature ?? '0x', // EIP712 signature
paymaster && paymasterInput ? [paymaster, paymasterInput] : [],
];
return concatHex([
'0x71',
toRlp(serializedTransaction),
]);
}
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