@biconomy/sdk
Version:
SDK for Biconomy integration with support for account abstraction, smart accounts, ERC-4337.
286 lines • 11.9 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.toNexusAccount = void 0;
const viem_1 = require("viem");
const account_abstraction_1 = require("viem/account-abstraction");
const constants_1 = require("../constants/index.js");
const abi_1 = require("../constants/abi/index.js");
const getNexusAddress_1 = require("./decorators/getNexusAddress.js");
const toK1Validator_1 = require("../modules/k1Validator/toK1Validator.js");
const getFactoryData_1 = require("./decorators/getFactoryData.js");
const getFactoryData_2 = require("./decorators/getFactoryData.js");
const Constants_1 = require("./utils/Constants.js");
const Utils_1 = require("./utils/Utils.js");
const toSigner_1 = require("./utils/toSigner.js");
const toNexusAccount = async (parameters) => {
const { chain, transport, signer: _signer, index = 0n, module: module_, factoryAddress = constants_1.MAINNET_ADDRESS_K1_VALIDATOR_FACTORY_ADDRESS, validatorAddress = constants_1.MAINNET_ADDRESS_K1_VALIDATOR_ADDRESS, key = "nexus account", name = "Nexus Account", attesters: attesters_ = [constants_1.RHINESTONE_ATTESTER_ADDRESS], attesterThreshold = 1, bootStrapAddress = constants_1.NEXUS_BOOTSTRAP_ADDRESS, registryAddress = constants_1.REGISTRY_ADDRESS, useTestBundler = false } = parameters;
const useMeeAccount = (0, Utils_1.addressEquals)(validatorAddress, constants_1.MEE_VALIDATOR_ADDRESS);
const signer = await (0, toSigner_1.toSigner)({ signer: _signer });
const walletClient = (0, viem_1.createWalletClient)({
account: signer,
chain,
transport,
key,
name
}).extend(viem_1.publicActions);
const signerAddress = walletClient.account.address;
const publicClient = (0, viem_1.createPublicClient)({
chain,
transport
});
const entryPointContract = (0, viem_1.getContract)({
address: constants_1.ENTRY_POINT_ADDRESS,
abi: abi_1.EntrypointAbi,
client: {
public: publicClient,
wallet: walletClient
}
});
const factoryData = useMeeAccount
? await (0, getFactoryData_2.getMeeFactoryData)({
signerAddress,
index,
publicClient,
walletClient,
bootStrapAddress,
registryAddress,
attesters: attesters_,
attesterThreshold,
validatorAddress
})
: await (0, getFactoryData_1.getK1FactoryData)({
signerAddress,
index,
attesters: attesters_,
attesterThreshold
});
const getInitCode = () => (0, viem_1.concatHex)([factoryAddress, factoryData]);
let _accountAddress = parameters.accountAddress;
const getCounterFactualAddress = async () => {
if (!(0, Utils_1.isNullOrUndefined)(_accountAddress))
return _accountAddress;
try {
await entryPointContract.simulate.getSenderAddress([getInitCode()]);
}
catch (e) {
if (e?.cause?.data?.errorName === "SenderAddressResult") {
const accountAddressFromError = e?.cause.data.args[0];
if (!(0, Utils_1.addressEquals)(accountAddressFromError, viem_1.zeroAddress)) {
_accountAddress = accountAddressFromError;
return accountAddressFromError;
}
}
}
const addressFromFactory = useMeeAccount
? await (0, getNexusAddress_1.getMeeNexusAddress)({
publicClient,
signerAddress,
index
})
: await (0, getNexusAddress_1.getK1NexusAddress)({
publicClient,
signerAddress,
index,
attesters: attesters_,
threshold: attesterThreshold,
factoryAddress
});
if (!(0, Utils_1.addressEquals)(addressFromFactory, viem_1.zeroAddress)) {
_accountAddress = addressFromFactory;
return addressFromFactory;
}
throw new Error("Failed to get counterfactual account address");
};
let module = module_ ??
(0, toK1Validator_1.toK1Validator)({
address: validatorAddress,
accountAddress: await getCounterFactualAddress(),
initData: signerAddress,
deInitData: "0x",
signer
});
const isDeployed = async () => {
const address = await getCounterFactualAddress();
const contractCode = await publicClient.getCode({ address });
return (contractCode?.length ?? 0) > 2;
};
const getUserOpHash = (userOp) => (0, account_abstraction_1.getUserOperationHash)({
chainId: chain.id,
entryPointAddress: account_abstraction_1.entryPoint07Address,
entryPointVersion: "0.7",
userOperation: userOp
});
const encodeExecuteBatch = async (calls, mode = Constants_1.EXECUTE_BATCH) => {
const executionAbiParams = {
type: "tuple[]",
components: [
{ name: "target", type: "address" },
{ name: "value", type: "uint256" },
{ name: "callData", type: "bytes" }
]
};
const executions = calls.map((tx) => ({
target: tx.to,
callData: tx.data ?? "0x",
value: BigInt(tx.value ?? 0n)
}));
const executionCalldataPrep = (0, viem_1.encodeAbiParameters)([executionAbiParams], [executions]);
return (0, viem_1.encodeFunctionData)({
abi: (0, viem_1.parseAbi)([
"function execute(bytes32 mode, bytes calldata executionCalldata) external"
]),
functionName: "execute",
args: [mode, executionCalldataPrep]
});
};
const encodeExecute = async (call, mode = Constants_1.EXECUTE_SINGLE) => {
const executionCalldata = (0, viem_1.encodePacked)(["address", "uint256", "bytes"], [call.to, BigInt(call.value ?? 0n), (call.data ?? "0x")]);
return (0, viem_1.encodeFunctionData)({
abi: (0, viem_1.parseAbi)([
"function execute(bytes32 mode, bytes calldata executionCalldata) external"
]),
functionName: "execute",
args: [mode, executionCalldata]
});
};
const getNonce = async (parameters) => {
try {
const TIMESTAMP_ADJUSTMENT = 16777215n;
const defaultedKey = BigInt(parameters?.key ?? 0n) % TIMESTAMP_ADJUSTMENT;
const defaultedValidationMode = parameters?.validationMode ?? "0x00";
const key = (0, viem_1.concat)([
(0, viem_1.toHex)(defaultedKey, { size: 3 }),
defaultedValidationMode,
parameters?.moduleAddress ?? module.address
]);
const accountAddress = await getCounterFactualAddress();
return await entryPointContract.read.getNonce([
accountAddress,
BigInt(key)
]);
}
catch (e) {
return 0n;
}
};
const setModule = (validationModule) => {
module = validationModule;
};
const signMessage = async ({ message }) => {
const tempSignature = await module.signMessage(message);
const signature = (0, viem_1.encodePacked)(["address", "bytes"], [module.address, tempSignature]);
const erc6492Signature = (0, viem_1.concat)([
(0, viem_1.encodeAbiParameters)([
{
type: "address",
name: "create2Factory"
},
{
type: "bytes",
name: "factoryCalldata"
},
{
type: "bytes",
name: "originalERC1271Signature"
}
], [factoryAddress, factoryData, signature]),
Constants_1.MAGIC_BYTES
]);
const accountIsDeployed = await isDeployed();
return accountIsDeployed ? signature : erc6492Signature;
};
async function signTypedData(parameters) {
const { message, primaryType, types: _types, domain } = parameters;
if (!domain)
throw new Error("Missing domain");
if (!message)
throw new Error("Missing message");
const types = {
EIP712Domain: (0, Utils_1.getTypesForEIP712Domain)({ domain }),
..._types
};
const messageStuff = message.stuff;
(0, viem_1.validateTypedData)({
domain,
message,
primaryType,
types
});
const appDomainSeparator = (0, viem_1.domainSeparator)({ domain });
const accountDomainStructFields = await (0, Utils_1.getAccountDomainStructFields)(publicClient, await getCounterFactualAddress());
const parentStructHash = (0, viem_1.keccak256)((0, viem_1.encodePacked)(["bytes", "bytes"], [
(0, viem_1.encodeAbiParameters)((0, viem_1.parseAbiParameters)(["bytes32, bytes32"]), [
(0, viem_1.keccak256)((0, viem_1.toBytes)(Constants_1.PARENT_TYPEHASH)),
messageStuff
]),
accountDomainStructFields
]));
const wrappedTypedHash = (0, Utils_1.eip712WrapHash)(parentStructHash, appDomainSeparator);
let signature = await module.signMessage({ raw: (0, viem_1.toBytes)(wrappedTypedHash) });
const contentsType = (0, viem_1.toBytes)((0, Utils_1.typeToString)(types)[1]);
const signatureData = (0, viem_1.concatHex)([
signature,
appDomainSeparator,
messageStuff,
(0, viem_1.toHex)(contentsType),
(0, viem_1.toHex)(contentsType.length, { size: 2 })
]);
signature = (0, viem_1.encodePacked)(["address", "bytes"], [module.address, signatureData]);
return signature;
}
return (0, account_abstraction_1.toSmartAccount)({
client: walletClient,
entryPoint: {
abi: abi_1.EntrypointAbi,
address: constants_1.ENTRY_POINT_ADDRESS,
version: "0.7"
},
getAddress: getCounterFactualAddress,
encodeCalls: (calls) => {
return calls.length === 1
? encodeExecute(calls[0])
: encodeExecuteBatch(calls);
},
getFactoryArgs: async () => ({ factory: factoryAddress, factoryData }),
getStubSignature: async () => module.getStubSignature(),
signMessage,
signTypedData,
signUserOperation: async (parameters) => {
const { chainId = publicClient.chain.id, ...userOpWithoutSender } = parameters;
const address = await getCounterFactualAddress();
const userOperation = {
...userOpWithoutSender,
sender: address
};
const hash = (0, account_abstraction_1.getUserOperationHash)({
chainId,
entryPointAddress: account_abstraction_1.entryPoint07Address,
entryPointVersion: "0.7",
userOperation
});
return await module.signUserOpHash(hash);
},
getNonce,
extend: {
entryPointAddress: account_abstraction_1.entryPoint07Address,
getCounterFactualAddress,
isDeployed,
getInitCode,
encodeExecute,
encodeExecuteBatch,
getUserOpHash,
setModule,
getModule: () => module,
factoryData,
factoryAddress,
validatorAddress,
signer,
walletClient,
publicClient,
attesters: attesters_,
useTestBundler
}
});
};
exports.toNexusAccount = toNexusAccount;
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