@alchemy/aa-core/dist/esm/entrypoint/0.7.js

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

import { concat, encodeAbiParameters, hexToBigInt, isAddress, keccak256, pad, } from "viem";
import { EntryPointAbi_v7 } from "../abis/EntryPointAbi_v7.js";
const packUserOperation = (request) => {
    const initCode = request.factory && request.factoryData
        ? concat([request.factory, request.factoryData])
        : "0x";
    const accountGasLimits = packAccountGasLimits((({ verificationGasLimit, callGasLimit }) => ({
        verificationGasLimit,
        callGasLimit,
    }))(request));
    const gasFees = packAccountGasLimits((({ maxPriorityFeePerGas, maxFeePerGas }) => ({
        maxPriorityFeePerGas,
        maxFeePerGas,
    }))(request));
    const paymasterAndData = request.paymaster && isAddress(request.paymaster)
        ? packPaymasterData((({ paymaster, paymasterVerificationGasLimit, paymasterPostOpGasLimit, paymasterData, }) => ({
            paymaster,
            paymasterVerificationGasLimit,
            paymasterPostOpGasLimit,
            paymasterData,
        }))(request))
        : "0x";
    return encodeAbiParameters([
        { type: "address" },
        { type: "uint256" },
        { type: "bytes32" },
        { type: "bytes32" },
        { type: "bytes32" },
        { type: "uint256" },
        { type: "bytes32" },
        { type: "bytes32" },
    ], [
        request.sender,
        hexToBigInt(request.nonce),
        keccak256(initCode),
        keccak256(request.callData),
        accountGasLimits,
        hexToBigInt(request.preVerificationGas),
        gasFees,
        keccak256(paymasterAndData),
    ]);
};
export default {
    version: "0.7.0",
    address: {
        default: "0x0000000071727De22E5E9d8BAf0edAc6f37da032",
    },
    abi: EntryPointAbi_v7,
    getUserOperationHash: (request, entryPointAddress, chainId) => {
        const encoded = encodeAbiParameters([{ type: "bytes32" }, { type: "address" }, { type: "uint256" }], [
            keccak256(packUserOperation(request)),
            entryPointAddress,
            BigInt(chainId),
        ]);
        return keccak256(encoded);
    },
    packUserOperation,
};
export function packAccountGasLimits(data) {
    return concat(Object.values(data).map((v) => pad(v, { size: 16 })));
}
export function packPaymasterData({ paymaster, paymasterVerificationGasLimit, paymasterPostOpGasLimit, paymasterData, }) {
    if (!paymaster ||
        !paymasterVerificationGasLimit ||
        !paymasterPostOpGasLimit ||
        !paymasterData) {
        return "0x";
    }
    return concat([
        paymaster,
        pad(paymasterVerificationGasLimit, { size: 16 }),
        pad(paymasterPostOpGasLimit, { size: 16 }),
        paymasterData,
    ]);
}
export function unpackAccountGasLimits(accountGasLimits) {
    return {
        verificationGasLimit: parseInt(accountGasLimits.slice(2, 34), 16),
        callGasLimit: parseInt(accountGasLimits.slice(34), 16),
    };
}
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