prepareCalls

Prepares a set of contract calls for execution by building a user operation. Returns the built user operation and a signature request that needs to be signed before submitting to sendPreparedCalls.

Import

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import { prepareCalls } from "@account-kit/wallet-client";

Usage

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// Prepare a sponsored user operation call
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const result = await client.prepareCalls({
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  calls: [
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    {
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      to: "0x1234...",
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      data: "0xabcdef...",
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      value: "0x0",
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    },
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  ],
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  capabilities: {
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    paymasterService: { policyId: "your-policy-id" },
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  },
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});

Parameters

client

InnerWalletApiClient<TAccount>

• The wallet API client to use for the request

params

PrepareCallsParams<TAccount>

• Parameters for preparing calls

params.calls

Array<{to: Address, data?: Hex, value?: Hex}>

• Array of contract calls to execute

params.from

Address

• The address to execute the calls from (required if the client wasn’t initialized with an account)

params.capabilities

object

• Optional capabilities to include with the request

Returns

Promise<PrepareCallsResult> A Promise that resolves to the prepared calls result containing the user operation data and signature request