Add resultCode and resultMessage to submit failure RippledError

src/common/errors.js

@@ -2,10 +2,11 @@
 const util = require('util');
 
 class RippleError extends Error {
-  constructor(message) {
+  constructor(message, data) {
     super(message);
     this.name = this.constructor.name;
     this.message = message;
+    this.data = data;
     Error.captureStackTrace(this, this.constructor.name);
   }
 

src/transaction/submit.js

@@ -24,15 +24,14 @@ function isImmediateRejection(engineResult: string): boolean {
 }
 
 function formatResponse(response) {
-  if (isImmediateRejection(response.engine_result)) {
-    const error = new utils.common.errors.RippledError('Submit failed');
-    error.data = response;
-    throw error;
-  }
-  return {
+  const data = {
     resultCode: response.engine_result,
     resultMessage: response.engine_result_message
   };
+  if (isImmediateRejection(response.engine_result)) {
+    throw new utils.common.errors.RippledError('Submit failed', data);
+  }
+  return data;
 }
 
 function submit(signedTransaction: string): Promise<Submit> {

test/api-test.js

@@ -205,6 +205,7 @@ describe('RippleAPI', function() {
       assert(false, 'Should throw RippledError');
     }).catch(error => {
       assert(error instanceof this.api.errors.RippledError);
+      assert.strictEqual(error.data.resultCode, 'temBAD_FEE');
     });
   });