# 签名认证

* 描述： 签名认证服务对传入的签名进行验签，验签通过后返回 **addressAuthToken**,有效期为7天。
* 该方法已经封装到JS-SDK中，建议通过[JS-SDK](https://relationlabs.gitbook.io/relation-one-api/api-zh/js-sdk/relation-auth/quick-start)获取 addressAuthToken
* Request Parameters

| Field              | Type    | Remarks                                                         |
| ------------------ | ------- | --------------------------------------------------------------- |
| pk                 | text    | 公钥，去掉开头的`0x`                                                    |
| algorithm          | variant | 签名使用的算法： secp256k1;                                             |
| message            | text    | 签名原文，**备注**：签名原文结尾必须带上**Timestamp:${value}**, value为当前时间戳，单位是毫秒 |
| wallet\_name       | text    | 当前签名的钱包名称                                                       |
| decoded\_signature | text    | 签名的hexString，去掉0x开头                                             |
| chain\_name        | text    | 链的名称                                                            |

* Request Example

```shell
curl -X POST 'https://hq6y7-wyaaa-aaaak-qas6q-cai.raw.ic0.app/auth' \
--header 'Content-Type: application/json' \
--data-raw '{"pk":"04143eed07769827d515ecf988579d228e287e692abfb7709af8c08bf300273b99de46ec375e3e68b5474d7612c72632751908a4fd75c86de90c486d54c352e8bdd","algorithm":{"secp256k1":null},"message":"Welcome to relation. Pleaes Click to sign in.Timestamp:1660839628000","wallet_name":"metamask","decoded_signature":"22aabbfab4c44e296fe3f64bcec0f6496298083266c2167d2afc9442cea785b919c9a6ffc0ae494671c50e9a3b6fa9b6ec42cb6d0b0e3f759928aefcd6d4433d1c","chain_name":"eth"}'
```

* Response Example

```json
{
  "code": "success",
  "token": "eyJ0eXAiOiJKV1QiLCJhbGciOiJFUzI1NiJ9.eyJleHAiOjE2NzExNDE4MDcsImlhdCI6MTY2MTA2MTgwNywic3ViIjoie1wiYWNjb3VudFNvdXJjZVwiOlwiZXRoXCIsXCJhZGRyZXNzXCI6XCIweDJlOGU5MWQzZTMxNTA1ZWZhNTRiMzg4YzVlOWU0OGJhNzIxNzNhY2VcIixcInVzZXJQcmluY2lwYWxcIjpcIlwifSJ9.-6Rwv_xolDvnqZgmdih7RfkTcZ4myILvyBlMyTJQddDOJGplvqZm1N95q4K_MtwLdOKoZMYoZzfKlInt4Zqb0g"
}
```