update payment server

eco-receipt/ripple/payment_server.js

@@ -44,6 +44,8 @@ app.get('/payment_service/account/info', async (req,res)=>{
 app.post('/payment_service/transfer', async (req,res)=>{
   var destinationAccount = req.body.destinationAccount;
   var amount = req.body.amount
+  var store_name= req.body.store_name
+  var rewards = req.body.rewards
 
   const instructions = {maxLedgerVersionOffset: 5};
   const payment = {
@@ -60,7 +62,12 @@ app.post('/payment_service/transfer', async (req,res)=>{
         value: String(amount),
         currency: 'XRP'
       }
-    }
+    },
+    memos: [
+      {          
+        "data": store_name +"*"+rewards
+      },
+  ]
   };
   function quit(message) {
     res.json({'msg': message})
@@ -73,7 +80,6 @@ app.post('/payment_service/transfer', async (req,res)=>{
 
   }
    
-    
   api.preparePayment(masterAccount, payment, instructions).then(prepared => {
   console.log('Payment transaction prepared...');
   const {signedTransaction} = api.sign(prepared.txJSON, masterAccountSecret);
@@ -126,7 +132,48 @@ app.get('/payment_service/account/new_address', (req,res)=>{
   });
   
 })
- 
- 
+//--------------------------------------------------
+// Get rewards points
+//--------------------------------------------------
+app.get('/payment_service/account/rewards_points', async (req,res)=>{
+  var account = req.body.account;
+  console.log(account)
+  const options = {
+    earliestFirst: true,
+    minLedgerVersion: 8828630
+  }
+
+  function quit(message) {
+    var o = {} // empty Object
+    var key = 'rewards points';
+    o[key] = []; // empty Array, which you can push() values into
+    var jsonString ="";
+    message.forEach(element => {
+      var data=element.specification.memos[0].data.split("*")   
+      jsonString = "{\"store_name\":\""+data[0]+"\"}";
+      var jsonObj = JSON.parse(jsonString);
+      jsonObj.rewards_points = data[1]
+      o[key].push(jsonObj)
+      
+    });
+
+    res.json(o)
+     
+  }
+  
+  function fail(message) {
+    console.error(message);
+    res.json({'msg': message})
+
+  }
+
+  await api.getTransactions(account, options).then(quit,fail)
+})
+
+function splitStr(str) { 	
+  var string = str.split(":"); 
+  return "{\""+string[0]+"\":\""+string[1]+"\"}"
+	
+} 
  
 app.listen(6000)
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