permissionless/_esm/accounts/kernel/utils/decodeCallData.js

A utility library for working with ERC-4337

import { decodeFunctionData } from "viem";
import { decode7579Calls } from "../../../utils/decode7579Calls.js";
import { KernelExecuteAbi } from "../abi/KernelAccountAbi.js";
import { isKernelV2 } from "./isKernelV2.js";
export const decodeCallData = ({ kernelVersion, callData }) => {
    if (isKernelV2(kernelVersion)) {
        const decoded = decodeFunctionData({
            abi: KernelExecuteAbi,
            data: callData
        });
        if (decoded.functionName === "executeBatch") {
            return decoded.args[0].map((tx) => ({
                to: tx.to,
                value: tx.value,
                data: tx.data
            }));
        }
        if (decoded.functionName === "execute") {
            const [to, value, data] = decoded.args;
            return [
                {
                    to,
                    value,
                    data
                }
            ];
        }
        throw new Error("Invalid function name");
    }
    return decode7579Calls(callData).callData;
};
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