Obtains wallet's public address

URL: ```http:://127.0.0.1:11211/json_rpc```
### Request: 
```json
{
  "id": 0,
  "jsonrpc": "2.0",
  "method": "getaddress",
  "params": {
  }
}
```
### Request description: 
```

```
### Response: 
```json
{
  "id": 0,
  "jsonrpc": "2.0",
  "result": {
    "address": "ZxDNaMeZjwCjnHuU5gUNyrP1pM3U5vckbakzzV6dEHyDYeCpW8XGLBFTshcaY8LkG9RQn7FsQx8w2JeJzJwPwuDm2NfixPAXf"
  }
}
```
### Response description: 
```
    "address": string; standard public address of the wallet.

```
