ERC-8004 identity (external wallet)

import { createWalletClient, http } from 'viem';
import { privateKeyToAccount } from 'viem/accounts';
import { sepolia } from 'viem/chains';

const { agent } = await agentKit.createAgent({
  wallet: 'external',
  evmAddress: process.env.DEV_EVM_ADDRESS!,
  name: 'My Agent',
  description: 'AI agent with external wallet',
  userIdentity: 'user@example.com',
});

const { registration } = await agentKit.registerAgentIdentityExternal({
  agentId: agent.id,
  evmAddress: process.env.DEV_EVM_ADDRESS!,
  chainId: 11155111,
  signTransaction: async ({ prepare, fromAddress }) => {
    const account = privateKeyToAccount(
      process.env.DEV_PRIVATE_KEY as `0x${string}`,
    );
    const walletClient = createWalletClient({
      account,
      chain: sepolia,
      transport: http(prepare.rpcUrl),
    });
    return walletClient.sendTransaction({
      account: fromAddress,
      chain: sepolia,
      to: prepare.registerCall.to as `0x${string}`,
      data: prepare.registerCall.data,
      value: BigInt(prepare.registerCall.value || '0'),
    });
  },
});

console.log(registration.agentIdentity);
// eip155:11155111:0x8004A818BFB912233c491871b3d84c89A494BD9e:42

const prepare = await agentKit.prepareAgentIdentity(agent.id, {
  chainId: 11155111,
  services: [
    {
      name: 'agent-kit',
      endpoint: 'https://api.example.com/agents/registration',
      version: '1.0',
    },
  ],
});

// Sign prepare.registerCall with your wallet (viem, ethers, MetaMask, etc.)
const txHash = '0x…' as `0x${string}`;

const { registration } = await agentKit.confirmAgentIdentity(agent.id, {
  chainId: 11155111,
  txHash,
});

const identity = await agentKit.getAgentIdentity(agent.id, 11155111);
console.log(identity.registration?.agentIdentity);

GET {AGENT_KIT_PUBLIC_URL}/agent/{agentId}/registration