@etherspot/modular-sdk
Version:
Etherspot Modular SDK - build with ERC-7579 smart accounts modules
145 lines • 5.77 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.packUserOp = packUserOp;
exports.packUint = packUint;
exports.packPaymasterData = packPaymasterData;
exports.packUserOpData = packUserOpData;
exports.getUserOpHash = getUserOpHash;
exports.decodeErrorReason = decodeErrorReason;
exports.rethrowError = rethrowError;
exports.deepHexlify = deepHexlify;
exports.resolveHexlify = resolveHexlify;
const buffer_1 = require("buffer");
const viem_1 = require("viem");
const hexlify_js_1 = require("./utils/hexlify.js");
const bignumber_js_1 = require("../types/bignumber.js");
function packUserOp(op1, forSignature = true) {
let op;
if ('callGasLimit' in op1) {
op = packUserOpData(op1);
}
else {
op = op1;
}
if (forSignature) {
const packedUserOp = (0, viem_1.encodeAbiParameters)((0, viem_1.parseAbiParameters)('address, uint256, bytes32, bytes32, bytes32, uint256, bytes32, bytes32'), [op.sender,
BigInt(op.nonce),
(0, viem_1.keccak256)(op.initCode),
(0, viem_1.keccak256)(op.callData),
op.accountGasLimits.toString(),
BigInt(op.preVerificationGas),
op.gasFees.toString(),
(0, viem_1.keccak256)(op.paymasterAndData)]);
return packedUserOp;
}
else {
const packedUserOp = (0, viem_1.encodeAbiParameters)((0, viem_1.parseAbiParameters)('address, uint256, bytes, bytes, bytes32, uint256, bytes32, bytes, bytes'), [op.sender,
BigInt(op.nonce),
op.initCode,
op.callData,
op.accountGasLimits.toString(),
BigInt(op.preVerificationGas),
op.gasFees.toString(),
op.paymasterAndData,
op.signature]);
return packedUserOp;
}
}
function packUint(high128, low128) {
return (0, viem_1.pad)(bignumber_js_1.BigNumber.from(high128).shl(128).add(low128).toHexString(), { size: 32 });
}
function packPaymasterData(paymaster, paymasterVerificationGasLimit, postOpGasLimit, paymasterData) {
const paymasterAndData = paymasterData ? paymasterData : '0x';
return (0, viem_1.concat)([
paymaster,
packUint(paymasterVerificationGasLimit, postOpGasLimit),
paymasterAndData
]);
}
function packUserOpData(op) {
let paymasterAndData;
if (op.paymaster == null) {
paymasterAndData = '0x';
}
else {
if (op.paymasterVerificationGasLimit == null || op.paymasterPostOpGasLimit == null) {
throw new Error('paymaster with no gas limits');
}
paymasterAndData = packPaymasterData(op.paymaster, op.paymasterVerificationGasLimit, op.paymasterPostOpGasLimit, op.paymasterData);
}
return {
sender: op.sender,
nonce: bignumber_js_1.BigNumber.from(op.nonce).toHexString(),
initCode: op.factory == null ? '0x' : (0, viem_1.concat)([op.factory, op.factoryData ?? '']),
callData: op.callData,
accountGasLimits: packUint(op.verificationGasLimit, op.callGasLimit),
preVerificationGas: bignumber_js_1.BigNumber.from(op.preVerificationGas).toHexString(),
gasFees: packUint(op.maxPriorityFeePerGas, op.maxFeePerGas),
paymasterAndData,
signature: op.signature
};
}
function getUserOpHash(op, entryPoint, chainId) {
const userOpHash = (0, viem_1.keccak256)(packUserOp(op, true));
const enc = (0, viem_1.encodeAbiParameters)((0, viem_1.parseAbiParameters)('bytes32, address, uint256'), [userOpHash, entryPoint, BigInt(chainId)]);
return (0, viem_1.keccak256)(enc);
}
const ErrorSig = (0, viem_1.keccak256)(buffer_1.Buffer.from('Error(string)')).slice(0, 10);
const FailedOpSig = (0, viem_1.keccak256)(buffer_1.Buffer.from('FailedOp(uint256,string)')).slice(0, 10);
function decodeErrorReason(error) {
if (error.startsWith(ErrorSig)) {
const [message] = (0, viem_1.decodeAbiParameters)((0, viem_1.parseAbiParameters)('string'), '0x' + error.substring(10));
return { message };
}
else if (error.startsWith(FailedOpSig)) {
const [opIndexBigInt, message] = (0, viem_1.decodeAbiParameters)((0, viem_1.parseAbiParameters)('uint256, string'), '0x' + error.substring(10));
const formattedMessage = `FailedOp: ${message}`;
return {
message: formattedMessage,
opIndex: Number(opIndexBigInt),
};
}
}
function rethrowError(e) {
let error = e;
let parent = e;
if (error?.error != null) {
error = error.error;
}
while (error?.data != null) {
parent = error;
error = error.data;
}
const decoded = typeof error === 'string' && error.length > 2 ? decodeErrorReason(error) : undefined;
if (decoded != null) {
e.message = decoded.message;
if (decoded.opIndex != null) {
const errorWithMsg = (0, viem_1.concat)([ErrorSig, (0, viem_1.encodeAbiParameters)((0, viem_1.parseAbiParameters)('string'), [decoded.message])]);
parent.data = errorWithMsg;
}
}
throw e;
}
function deepHexlify(obj) {
if (typeof obj === 'function') {
return undefined;
}
if (obj == null || typeof obj === 'string' || typeof obj === 'boolean') {
return obj;
}
else if (obj._isBigNumber != null || typeof obj !== 'object') {
const hexlified = (0, hexlify_js_1.hexlifyValue)(obj).replace(/^0x0/, '0x');
return hexlified;
}
if (Array.isArray(obj)) {
return obj.map((member) => deepHexlify(member));
}
return Object.keys(obj).reduce((set, key) => ({
...set,
[key]: deepHexlify(obj[key]),
}), {});
}
function resolveHexlify(a) {
return deepHexlify(a);
}
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