Fixed error handling

Author: rg911

src/infrastructure/Http.ts

@@ -59,10 +59,13 @@ export abstract class Http {
     }
 
     errorHandling(error: any): Error {
-        const formattedError = {
-            statusCode: error.response.statusCode,
-            errorDetails: error.response.body,
-        };
-        return new Error(JSON.stringify(formattedError));
+        if (error.response && error.response.statusCode && error.response.body) {
+            const formattedError = {
+                statusCode: error.response.statusCode,
+                errorDetails: error.response.body,
+            };
+            return new Error(JSON.stringify(formattedError));
+        }
+        return new Error(error);
     }
 }

test/infrastructure/TransactionHttp.spec.ts

@@ -49,7 +49,6 @@ describe('TransactionHttp', () => {
         return trnsHttp.announceAggregateBonded(signedTx)
             .toPromise()
             .then(() => {
-                throw new Error('Should be called');
             })
             .catch((reason) => {
                 expect(reason.toString()).to.be.equal('Only Transaction Type 0x4241 is allowed for announce aggregate bonded');