buildUserOperation

Builds a user operation using the provided client and operation parameters. Ensures that the account exists and the client is compatible.

Import

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import { buildUserOperation } from "@aa-sdk/core";

Usage

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import { createSmartAccountClient } from "@aa-sdk/core";
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// smart account client is already extended with buildUserOperation
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const client = createSmartAccountClient(...);
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const result = await client.buildUserOperation({
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uo: {
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target: "0x...",
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data: "0x...", // or "0x",
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value: 0n, // optional
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},
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account, // only required if the client above is not connected to an account
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});

Parameters

client_

Client<TTransport, TChain, TAccount> the client instance used to build the user operation

args

BuildUserOperationParameters<TAccount, TContext, TEntryPointVersion> the parameters required to build the user operation, including account, overrides, and context

Returns

Promise<UserOperationStruct<TEntryPointVersion>> a promise that resolves to a UserOperationStruct object containing the built user operation details