EIP-7702 Wallet API Quickstart (SDK)

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import { createSmartWalletClient } from "@account-kit/wallet-client";
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import { alchemy, arbitrumSepolia } from "@account-kit/infra";
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import { LocalAccountSigner } from "@aa-sdk/core";
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const signer = LocalAccountSigner.privateKeyToAccountSigner(PRIVATE_KEY); // we use a private key signer as an example here
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const transport = alchemy({
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  apiKey: ALCHEMY_API_KEY, // use your Alchemy app api key here
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});
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const client = createSmartWalletClient({
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  transport,
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  chain: arbitrumSepolia, // use any chain imported from @account-kit/infra here
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  signer,
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});

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// Prepare the calls using the 7702 capability.
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const preparedCalls = await client.prepareCalls({
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  calls: [
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    // Calls here can include `to`, `data`, and `value` params.
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    { to: "0x0000000000000000000000000000000000000000", data: "0x" },
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  ],
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  from: "0xFROM_ADDRESS", // put the account address here
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  capabilities: {
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    eip7702Auth: true,
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    paymasterService: {
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      policyId: "your-gas-manager-policy-id", // put your gas manager policy ID here
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    },
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  },
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});
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// Sign the calls.
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const signedCalls = await client.signPreparedCalls(preparedCalls);
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// Send the userOp.
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const { preparedCallIds } = await client.sendPreparedCalls(signedCalls);
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// Check the status of the call.
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const status = await client.getCallsStatus(preparedCallIds[0]);