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

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

import { getAction } from "viem/utils";
import { writeContract, simulateContract, getChainId } from "viem/actions";
import { getUserOperationHash } from "viem/account-abstraction";
import { getSupportedEntryPoints } from "./getSupportedEntryPoints.js";
import { handleOps, errors as IEntryPointErrors } from "../../artifacts/IEntryPoint.js";
import { toPackedUserOperation } from "../../models/PackedUserOperation.js";
import { encodeUserOp } from "../../models/UserOperation.js";
async function sendUserOperation(client, parameters) {
  const chainId = client.chain?.id ?? await getAction(client, getChainId, "getChainId")({});
  const supportedEntryPoints = await getAction(client, getSupportedEntryPoints, "getSupportedEntryPoints")({});
  const entryPointAddress = supportedEntryPoints[0];
  const userOperation = parameters;
  const userOpPacked = toPackedUserOperation(encodeUserOp(userOperation));
  const handleOpsArgs = [[userOpPacked], client.account.address];
  const { request } = await getAction(
    client,
    simulateContract,
    "simulateContract"
  )({
    account: client.account,
    address: entryPointAddress,
    abi: [handleOps, ...IEntryPointErrors],
    functionName: "handleOps",
    args: handleOpsArgs
  });
  getAction(client, writeContract, "writeContract")({ ...request, abi: [handleOps, ...IEntryPointErrors] });
  const userOpHash = getUserOperationHash({
    userOperation,
    entryPointAddress,
    entryPointVersion: "0.7",
    chainId
  });
  return userOpHash;
}
export {
  sendUserOperation
};