viem
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55 lines • 2.34 kB
JavaScript
import { toHex } from '../../utils/encoding/toHex.js';
import { gasPerPubdataDefault } from '../constants/number.js';
import { assertEip712Transaction } from './assertEip712Transaction.js';
import { hashBytecode } from './hashBytecode.js';
export const getEip712Domain = (transaction) => {
assertEip712Transaction(transaction);
const message = transactionToMessage(transaction);
return {
domain: {
name: 'zkSync',
version: '2',
chainId: transaction.chainId,
},
types: {
Transaction: [
{ name: 'txType', type: 'uint256' },
{ name: 'from', type: 'uint256' },
{ name: 'to', type: 'uint256' },
{ name: 'gasLimit', type: 'uint256' },
{ name: 'gasPerPubdataByteLimit', type: 'uint256' },
{ name: 'maxFeePerGas', type: 'uint256' },
{ name: 'maxPriorityFeePerGas', type: 'uint256' },
{ name: 'paymaster', type: 'uint256' },
{ name: 'nonce', type: 'uint256' },
{ name: 'value', type: 'uint256' },
{ name: 'data', type: 'bytes' },
{ name: 'factoryDeps', type: 'bytes32[]' },
{ name: 'paymasterInput', type: 'bytes' },
],
},
primaryType: 'Transaction',
message: message,
};
};
//////////////////////////////////////////////////////////////////////////////
// Utilities
function transactionToMessage(transaction) {
const { gas, nonce, to, from, value, maxFeePerGas, maxPriorityFeePerGas, factoryDeps, paymaster, paymasterInput, gasPerPubdata, data, } = transaction;
return {
txType: 113n,
from: BigInt(from),
to: to ? BigInt(to) : 0n,
gasLimit: gas ?? 0n,
gasPerPubdataByteLimit: gasPerPubdata ?? gasPerPubdataDefault,
maxFeePerGas: maxFeePerGas ?? 0n,
maxPriorityFeePerGas: maxPriorityFeePerGas ?? 0n,
paymaster: paymaster ? BigInt(paymaster) : 0n,
nonce: nonce ? BigInt(nonce) : 0n,
value: value ?? 0n,
data: data ? data : '0x0',
factoryDeps: factoryDeps?.map((dep) => toHex(hashBytecode(dep))) ?? [],
paymasterInput: paymasterInput ? paymasterInput : '0x',
};
}
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