Function erc8004IdentityCheck

erc8004IdentityCheck(
client: ERC8004ReadClient,
options?: IdentityCheckOptions,
): BeforePaymentCreationHook
Create a BeforePaymentCreationHook that verifies agent identity before signing a payment.

Works with t402Client.onBeforePaymentCreation(), which means it automatically applies to @t402/fetch and @t402/axios wrappers.
Parameters
- client: ERC8004ReadClient
  Read-only client for on-chain contract calls
- options: IdentityCheckOptions = {}
  Hook behavior options
Returns BeforePaymentCreationHook
A hook for registration on t402Client
Example
```
import { createPublicClient, http } from "viem";
import { base } from "viem/chains";
import { erc8004IdentityCheck } from "@t402/erc8004";

const viemClient = createPublicClient({ chain: base, transport: http() });
const client = new t402Client()
  .register("eip155:8453", evmScheme)
  .onBeforePaymentCreation(erc8004IdentityCheck(viemClient));

const fetchWithPay = wrapFetchWithPayment(fetch, client);
```
- Defined in erc8004/src/hooks.ts:69