# 프로바이더 메서드

## request

```javascript
await provider.request({ method, params });
```

해당 프로바이더는 **EIP-1193 표준**을 구현하고 있으므로, `request` 메서드를 사용하여 **JSON-RPC 요청**을 보낼 수 있습니다.\
`request` 메서드는 블록체인 네트워크로 JSON-RPC 요청을 전송하며,\
계정 요청이나 트랜잭션 서명과 같은 **Wepin 전용 지갑 메서드**뿐만 아니라, 표준 블록체인 RPC 호출도 처리할 수 있습니다.

#### **Parameters**

* `args` \<RequestArguments>
  * `method` \<string> - RPC 메서드 이름
  * `params` \<any\[]> **optional** - 메서드에 전달할 파라미터

#### **Return value**

* Promise\<any> - RPC 반환값

#### **Example**

```javascript
const provider = await wepinProvider.getProvider('ethereum');

// Get connected accounts
const accounts = await provider.request({
  method: 'eth_requestAccounts',
});
console.log('Connected accounts:', accounts);

// Sign message
const signature = await provider.request({
  method: 'eth_sign',
  params: ['0x...', 'Hello, world!'],
});

// Personal sign
const personalSignature = await provider.request({
  method: 'personal_sign',
  params: ['Hello, World', '0x...'],
});

// Sign typed data v4
const typedDataV4 = {
  types: {
    EIP712Domain: [{ name: 'name', type: 'string' }],
    Mail: [{ name: 'contents', type: 'string' }],
  },
  primaryType: 'Mail',
  domain: { name: 'Ether Mail' },
  message: { contents: 'Hello, Bob!' },
};
const typedSignature = await provider.request({
  method: 'eth_signTypedData_v4',
  params: ['0x...', typedDataV4],
});

// Send transaction
const transaction = {
  from: '0x...',
  to: '0x...',
  value: '0x0',
  data: '0x',
};
const txHash = await provider.request({
  method: 'eth_sendTransaction',
  params: [transaction],
});
```


---

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