@base-org/account
Version:
Base Account SDK
281 lines • 11.2 kB
JavaScript
var __rest = (this && this.__rest) || function (s, e) {
var t = {};
for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)
t[p] = s[p];
if (s != null && typeof Object.getOwnPropertySymbols === "function")
for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {
if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i]))
t[p[i]] = s[p[i]];
}
return t;
};
import * as Signature from 'ox/Signature';
import { BaseError, decodeFunctionData, encodeAbiParameters, encodeFunctionData, encodePacked, hashMessage, hashTypedData, parseSignature, size, stringToHex, } from 'viem';
import { entryPoint06Abi, entryPoint06Address, getUserOperationHash, toSmartAccount, } from 'viem/account-abstraction';
import { abi, factoryAbi, factoryAddress } from './constants.js';
/**
* @description Create a Coinbase Smart Account.
*
* @param parameters - {@link CreateSmartAccountParameters}
* @returns Coinbase Smart Account. {@link CreateSmartAccountReturnType}
*
* @example
*
* const account = createSmartAccount({
* client,
* owner: privateKeyToAccount('0x...'),
* ownerIndex: 0,
* address: '0x...',
* factoryData: '0x...',
* })
*/
export async function createSmartAccount(parameters) {
const { owner, ownerIndex, address, client, factoryData } = parameters;
const entryPoint = {
abi: entryPoint06Abi,
address: entryPoint06Address,
version: '0.6',
};
const factory = {
abi: factoryAbi,
address: factoryAddress,
};
return toSmartAccount({
client,
entryPoint,
extend: { abi, factory },
async decodeCalls(data) {
const result = decodeFunctionData({
abi,
data,
});
if (result.functionName === 'execute')
return [{ to: result.args[0], value: result.args[1], data: result.args[2] }];
if (result.functionName === 'executeBatch')
return result.args[0].map((arg) => ({
to: arg.target,
value: arg.value,
data: arg.data,
}));
throw new BaseError(`unable to decode calls for "${result.functionName}"`);
},
async encodeCalls(calls) {
var _a, _b;
if (calls.length === 1) {
return encodeFunctionData({
abi,
functionName: 'execute',
args: [calls[0].to, (_a = calls[0].value) !== null && _a !== void 0 ? _a : BigInt(0), (_b = calls[0].data) !== null && _b !== void 0 ? _b : '0x'],
});
}
return encodeFunctionData({
abi,
functionName: 'executeBatch',
args: [
calls.map((call) => {
var _a, _b;
return ({
data: (_a = call.data) !== null && _a !== void 0 ? _a : '0x',
target: call.to,
value: (_b = call.value) !== null && _b !== void 0 ? _b : BigInt(0),
});
}),
],
});
},
async getAddress() {
return address;
},
async getFactoryArgs() {
if (factoryData)
return { factory: factory.address, factoryData };
// TODO: support creating factory data
return { factory: factory.address, factoryData };
},
async getStubSignature() {
if (owner.type === 'webAuthn')
return '0x0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000c0000000000000000000000000000000000000000000000000000000000000012000000000000000000000000000000000000000000000000000000000000000170000000000000000000000000000000000000000000000000000000000000001949fc7c88032b9fcb5f6efc7a7b8c63668eae9871b765e23123bb473ff57aa831a7c0d9276168ebcc29f2875a0239cffdf2a9cd1c2007c5c77c071db9264df1d000000000000000000000000000000000000000000000000000000000000002549960de5880e8c687434170f6476605b8fe4aeb9a28632c7995cf3ba831d97630500000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008a7b2274797065223a22776562617574686e2e676574222c226368616c6c656e6765223a2273496a396e6164474850596759334b7156384f7a4a666c726275504b474f716d59576f4d57516869467773222c226f726967696e223a2268747470733a2f2f7369676e2e636f696e626173652e636f6d222c2263726f73734f726967696e223a66616c73657d00000000000000000000000000000000000000000000';
return wrapSignature({
ownerIndex,
signature: '0xfffffffffffffffffffffffffffffff0000000000000000000000000000000007aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa1c',
});
},
async sign(parameters) {
const address = await this.getAddress();
const hash = toReplaySafeHash({
address,
chainId: client.chain.id,
hash: parameters.hash,
});
const signature = await sign({ hash, owner });
return wrapSignature({
ownerIndex,
signature,
});
},
async signMessage(parameters) {
const { message } = parameters;
const address = await this.getAddress();
const hash = toReplaySafeHash({
address,
chainId: client.chain.id,
hash: hashMessage(message),
});
const signature = await sign({ hash, owner });
return wrapSignature({
ownerIndex,
signature,
});
},
async signTypedData(parameters) {
const { domain, types, primaryType, message } = parameters;
const address = await this.getAddress();
const hash = toReplaySafeHash({
address,
chainId: client.chain.id,
hash: hashTypedData({
domain,
message,
primaryType,
types,
}),
});
const signature = await sign({ hash, owner });
return wrapSignature({
ownerIndex,
signature,
});
},
async signUserOperation(parameters) {
const { chainId = client.chain.id } = parameters, userOperation = __rest(parameters, ["chainId"]);
const address = await this.getAddress();
const hash = getUserOperationHash({
chainId,
entryPointAddress: entryPoint.address,
entryPointVersion: entryPoint.version,
userOperation: Object.assign(Object.assign({}, userOperation), { sender: address }),
});
const signature = await sign({ hash, owner });
return wrapSignature({
ownerIndex,
signature,
});
},
userOperation: {
async estimateGas(userOperation) {
var _a;
if (owner.type !== 'webAuthn')
return;
// Accounts with WebAuthn owner require a minimum verification gas limit of 800,000.
return {
verificationGasLimit: BigInt(Math.max(Number((_a = userOperation.verificationGasLimit) !== null && _a !== void 0 ? _a : BigInt(0)), 800000)),
};
},
},
});
}
/////////////////////////////////////////////////////////////////////////////////////////////
// Utilities
/////////////////////////////////////////////////////////////////////////////////////////////
/** @internal */
export async function sign({ hash, owner, }) {
// WebAuthn Account (Passkey)
if (owner.type === 'webAuthn') {
const { signature, webauthn } = await owner.sign({
hash,
});
return toWebAuthnSignature({ signature, webauthn });
}
if (owner.sign)
return owner.sign({ hash });
throw new BaseError('`owner` does not support raw sign.');
}
/** @internal */
export function toReplaySafeHash({ address, chainId, hash, }) {
return hashTypedData({
domain: {
chainId,
name: 'Coinbase Smart Wallet',
verifyingContract: address,
version: '1',
},
types: {
CoinbaseSmartWalletMessage: [
{
name: 'hash',
type: 'bytes32',
},
],
},
primaryType: 'CoinbaseSmartWalletMessage',
message: {
hash,
},
});
}
/** @internal */
export function toWebAuthnSignature({ webauthn, signature, }) {
const { r, s } = Signature.fromHex(signature);
return encodeAbiParameters([
{
components: [
{
name: 'authenticatorData',
type: 'bytes',
},
{ name: 'clientDataJSON', type: 'bytes' },
{ name: 'challengeIndex', type: 'uint256' },
{ name: 'typeIndex', type: 'uint256' },
{
name: 'r',
type: 'uint256',
},
{
name: 's',
type: 'uint256',
},
],
type: 'tuple',
},
], [
{
authenticatorData: webauthn.authenticatorData,
clientDataJSON: stringToHex(webauthn.clientDataJSON),
challengeIndex: BigInt(webauthn.challengeIndex),
typeIndex: BigInt(webauthn.typeIndex),
r,
s,
},
]);
}
/** @internal */
export function wrapSignature(parameters) {
const { ownerIndex = 0 } = parameters;
const signatureData = (() => {
if (size(parameters.signature) !== 65)
return parameters.signature;
const signature = parseSignature(parameters.signature);
return encodePacked(['bytes32', 'bytes32', 'uint8'], [signature.r, signature.s, signature.yParity === 0 ? 27 : 28]);
})();
return encodeAbiParameters([
{
components: [
{
name: 'ownerIndex',
type: 'uint8',
},
{
name: 'signatureData',
type: 'bytes',
},
],
type: 'tuple',
},
], [
{
ownerIndex,
signatureData,
},
]);
}
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