Fix #6540

- just skip the checkRequest call if result of postTransaction is a tx ID

Author: Travis Jacobs

js/src/api/contract/contract.js

@@ -133,9 +133,11 @@ export default class Contract {
 
         return this._api.parity
           .postTransaction(encodedOptions)
-          .then((requestId) => {
-            statecb(null, { state: 'checkRequest', requestId });
-            return this._pollCheckRequest(requestId);
+          .then((result) => {
+            if (result.length !== 66) {
+              statecb(null, { state: 'checkRequest', result });
+              return this._pollCheckRequest(result);
+            } else { return result; }
           })
           .then((txhash) => {
             statecb(null, { state: 'getTransactionReceipt', txhash });