# Exchange bot API

Module: `gex.bot()`

## Exchange

#### Exchange `eth` to `gex`

Method: `depositEth(value)`  
Type: transaction

Params:   
- value: `eth` value (in `wei`) that you want to change to `gex` tokens.  

Returns:  
- Promise: Javascript promise object.

Usage: 
```javascript
    let ethVal = 10;
    let weiVal = gex.w3.web3.utils.toWei(ethVal);
    let promiseRes = gex.bot().depositEth(weiVal);
```

#### Exchange `gex` to `eth`

Method: `depositGex(value)`  
Type: transaction

Params:   
- value: `gex` tokens amount that you want to change to `eth`.  

Returns:  
- Promise: Javascript promise object.

Usage: 
```javascript
    let gexTokensToChange = 100;
    let weiGexVal = gex.w3.web3.utils.toWei(gexTokensToChange);
    let promiseRes = gex.bot().depositGex(weiGexVal);
```



#### Return `eth` from bot balance

Method: `returnEth()`  
Type: transaction

Returns:  
- Promise: Javascript promise object.

Usage: 
```javascript
    let promiseRes = gex.bot().returnEth();
```


#### Return `gex` from bot balance

Method: `returnGex()`  
Type: transaction

Returns:  
- Promise: Javascript promise object.

Usage: 
```javascript
    let promiseRes = gex.bot().returnGex();
```


## Info

#### Get info for account

Method: `getInfoForAccount(account)`  
Type: call

Params:   
- account: Ethereum account address in format `'0x000....`.  (optional)  
If you don't send account param, `accounts[0]` from your web3 provider will be taken

Returns:  
- Promise that resolves in Object: 
```
{ 
    active: bool,
    amountEth: string,
    amountGex: string,
    loanEth: 'string,
    loanGex: string,
    sendEth: string,
    sendGex: string 
}
```

Usage: 
```javascript
    let account = '0x0000...';
    let accountInfo = await gex.bot().getInfoForAccount(account);
    
    // or
    let defaultAccountInfo = await gex.bot().getInfoForAccount();
```

## Events

#### Message

Message event is used for most call results.


Structure:

```solidity
event Message(
    string inf,
    address sender,
    uint88 value
)
```