Get the total MJT issuance status of the current site
SDK apifmDevelopment reference
```javascript
WXAPI.mtjStatisticsV2()
```
```json
{
"code": 0,
"data": {
"balance": 1753.64183400000000,
"balanceStr": "1753.64183400000000",
"left": 20998246.35816600000000,
"leftStr": "20998246.35816600000000",
"total": 21000000,
"totalStr": "21000000"
},
"msg": "success"
}
```
+ balance Current total mined balance
+ total total issuance amount, system parameter background maintenance: mjt_total_amount
+ left The remaining number that can be mined, total-balance