buildUserOperationFromTx

1
function buildUserOperationFromTx<
2
  TChain,
3
  TAccount,
4
  TChainOverride,
5
  TContext,
6
  TEntryPointVersion,
7
>(
8
  client_,
9
  args,
10
  overrides?,
11
  context?,
12
): Promise<UserOperationStruct<TEntryPointVersion>>;

1
import type { RpcTransactionRequest } from "viem";
2
import { smartAccountClient } from "./smartAccountClient";
3
// [!code focus:99]
4
// buildUserOperationFromTx converts a traditional Ethereum transaction and returns
5
// the unsigned user operation struct after constructing the user operation struct
6
// through the middleware pipeline
7
const tx: RpcTransactionRequest = {
8
  from, // ignored
9
  to,
10
  data: encodeFunctionData({
11
    abi: ContractABI.abi,
12
    functionName: "func",
13
    args: [arg1, arg2, ...],
14
  }),
15
};
16
const uoStruct = await smartAccountClient.buildUserOperationFromTx(tx);
17
18
// signUserOperation signs the above unsigned user operation struct built
19
// using the account connected to the smart account client
20
const request = await smartAccountClient.signUserOperation({ uoStruct });
21
22
// You can use the BundlerAction `sendRawUserOperation` (packages/core/src/actions/bundler/sendRawUserOperation.ts)
23
// to send the signed user operation request to the bundler, requesting the bundler to send the signed uo to the
24
// EntryPoint contract pointed at by the entryPoint address parameter
25
const entryPointAddress = client.account.getEntryPoint().address;
26
const uoHash = await smartAccountClient.sendRawUserOperation({ request, entryPoint: entryPointAddress });