fix: response tx for machine update requests

fix: CT error handling

lib/cash-out/cash-out-low.js

@@ -51,7 +51,7 @@ function diff (oldTx, newTx) {
     if (oldTx && _.isEqualWith(nilEqual, oldTx[fieldKey], newTx[fieldKey])) return
 
     // We never null out an existing field
-    if (oldTx && _.isNil(newTx[fieldKey])) return
+    if (oldTx && _.isNil(newTx[fieldKey])) return updatedTx[fieldKey] = oldTx[fieldKey]
 
     switch (fieldKey) {
       case 'customerId':

lib/routes/txRoutes.js

@@ -20,6 +20,10 @@ function postTx (req, res, next) {
         switch (tx.errorCode) {
           case 'InsufficientFundsError':
             throw httpError(tx.error, 570)
+          case 'scoreThresholdReached':
+            throw httpError(tx.error, 570)
+          case 'ciphertraceError':
+            throw httpError(tx.error, 572)
           default:
             throw httpError(tx.error, 500)
         }