zksync-sso
Version:
ZKsync Smart Sign On SDK
57 lines • 2.45 kB
JavaScript
import { toHex } from "viem";
import { hashBytecode } from "viem/zksync";
import { assertEip712Transaction } from "./assertEip712Transaction.js";
const gasPerPubdataDefault = 50000n;
/* TODO: This is already available at viem already but not exported (viem also has a mistake in domain name letter casing) */
export const getEip712Domain = (transaction) => {
assertEip712Transaction(transaction);
const message = transactionToMessage(transaction);
return {
domain: {
// cspell:ignore zkSync
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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