@alchemy/aa-core/dist/esm/entrypoint/0.6.js

viem based SDK that enables interactions with ERC-4337 Smart Accounts. ABIs are based off the definitions generated in @account-abstraction/contracts

import { encodeAbiParameters, hexToBigInt, keccak256, } from "viem";
import { EntryPointAbi_v6 } from "../abis/EntryPointAbi_v6.js";
const packUserOperation = (request) => {
    const hashedInitCode = keccak256(request.initCode);
    const hashedCallData = keccak256(request.callData);
    const hashedPaymasterAndData = keccak256(request.paymasterAndData);
    return encodeAbiParameters([
        { type: "address" },
        { type: "uint256" },
        { type: "bytes32" },
        { type: "bytes32" },
        { type: "uint256" },
        { type: "uint256" },
        { type: "uint256" },
        { type: "uint256" },
        { type: "uint256" },
        { type: "bytes32" },
    ], [
        request.sender,
        hexToBigInt(request.nonce),
        hashedInitCode,
        hashedCallData,
        hexToBigInt(request.callGasLimit),
        hexToBigInt(request.verificationGasLimit),
        hexToBigInt(request.preVerificationGas),
        hexToBigInt(request.maxFeePerGas),
        hexToBigInt(request.maxPriorityFeePerGas),
        hashedPaymasterAndData,
    ]);
};
export default {
    version: "0.6.0",
    address: {
        default: "0x5FF137D4b0FDCD49DcA30c7CF57E578a026d2789",
    },
    abi: EntryPointAbi_v6,
    getUserOperationHash: (request, entryPointAddress, chainId) => {
        const encoded = encodeAbiParameters([{ type: "bytes32" }, { type: "address" }, { type: "uint256" }], [
            keccak256(packUserOperation(request)),
            entryPointAddress,
            BigInt(chainId),
        ]);
        return keccak256(encoded);
    },
    packUserOperation,
};
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