@owlprotocol/contracts-account-abstraction/lib/esm/actions/bundler/simulateEntryPoint.js

ERC4337 Account Abstraction support for deploying relevant smart contracts and interacting with UserOps.

import { encodeFunctionData, decodeAbiParameters, decodeErrorResult } from "viem";
import { getAction } from "viem/utils";
import { call } from "viem/actions";
import { abi as PimlicoEntryPointSimulationsAbi } from "../../artifacts/PimlicoEntryPointSimulations.js";
import { abi as EntryPointV07Abi } from "../../artifacts/EntryPoint.js";
async function simulateEntryPoint(client, parameters) {
  const { entryPoint, entryPointSimulationsCallData, entryPointSimulationsAddress, stateOverride } = parameters;
  const callData = encodeFunctionData({
    abi: PimlicoEntryPointSimulationsAbi,
    functionName: "simulateEntryPoint",
    args: [entryPoint, entryPointSimulationsCallData]
  });
  const callReturn = await getAction(
    client,
    call,
    "call"
  )({
    to: entryPointSimulationsAddress,
    data: callData,
    blockTag: "latest",
    stateOverride: stateOverride ? [stateOverride] : void 0
  });
  const result = callReturn.data;
  if (!result) {
    throw new Error("simulateEntryPoint return empty data");
  }
  const returnBytes = decodeAbiParameters([{ name: "ret", type: "bytes[]" }], result);
  return returnBytes[0].map((data) => {
    const decodedDelegateAndError = decodeErrorResult({
      abi: EntryPointV07Abi,
      data
    });
    if (!decodedDelegateAndError?.args?.[1]) {
      throw new Error("Unexpected error");
    }
    return decodedDelegateAndError.args[1];
  });
}
export {
  simulateEntryPoint
};