My trades for the margin account

Author: taboca

README.md

@@ -1895,6 +1895,33 @@ For order operations, use `binance.mgCancel()`, `binance.mgCancelOrders()`, `bin
 
 Usage and callbacks are the same as the 'regular account' counterparts.
 
+#### Get your Trade History for the Margin account
+Use `binance.mgTrades()` instead of `binance.trades()`. 
+
+```javascript
+binance.mgTrades("ETHUSDT", (error, trades, symbol) => {
+  console.info(symbol+" trade history", trades);
+});
+```
+<details>
+ <summary>View Response</summary>
+
+```js
+[ { symbol: 'ETHUSDT',
+    id: 9572,
+    orderId: 47884,
+    price: '2063.07',
+    qty: '1.44877',
+    commission: '2.98891392',
+    commissionAsset: 'USDT',
+    time: 1617900638521,
+    isBuyer: false,
+    isMaker: false,
+    isBestMatch: true,
+    isIsolated: true }]
+```
+</details>
+
 #### Margin account details
 ```javascript
 binance.mgAccount((error, response) => {

node-binance-api.js

@@ -4581,6 +4581,35 @@ let api = function Binance( options = {} ) {
             }, 'POST' );
         },
 
+        /**
+        * Get trades for a given symbol - margin account 
+        * @param {string} symbol - the symbol
+        * @param {function} callback - the callback function
+        * @param {object} options - additional options
+        * @return {promise or undefined} - omitting the callback returns a promise
+        */
+        mgTrades: ( symbol, callback, options = {} ) => {
+            let parameters = Object.assign( { symbol: symbol }, options );
+            if ( !callback ) {
+                return new Promise( ( resolve, reject ) => {
+                    callback = ( error, response ) => {
+                        if ( error ) {
+                            reject( error );
+                        } else {
+                            resolve( response );
+                        }
+                    }
+                    signedRequest( sapi + 'v1/margin/myTrades', parameters, function ( error, data ) {
+                        return callback.call( this, error, data, symbol );
+                    } );
+                } )
+            } else {
+                signedRequest( sapi + 'v1/margin/myTrades', parameters, function ( error, data ) {
+                    return callback.call( this, error, data, symbol );
+                } );
+            }
+        },
+
         /**
      * Transfer from main account to delivery account
      * @param {string} asset - the asset