# DID

## Login

```go
func Login(endpoint, address string, privateKey *ecdsa.PrivateKey) (accessToken, userID string, err error)
```

Parameters:

| Name       | Type               | Description                | Required |
| ---------- | ------------------ | -------------------------- | -------- |
| endpoint   | string             | node server endpoint       | true     |
| address    | string             | wallet account address     | true     |
| privateKey | \*ecdsa.PrivateKey | wallet account private key | true     |

Returns:

| Name        | Type   | Description                 | Required |
| ----------- | ------ | --------------------------- | -------- |
| accessToken | string | access token for the client | true     |
| userId      | string | user id for the client      | true     |
| err         | error  | error message               | true     |