More informative errors

src/core/modules/impl/DefaultCreateContract.ts

@@ -71,7 +71,7 @@ export class DefaultCreateContract implements CreateContract {
         transfer
       });
     } else {
-      throw new Error('Unable to write Contract Source.');
+      throw new Error('Unable to write Contract Source.\n'+resource.statusText.msg);
     }
   }
 
@@ -115,7 +115,7 @@ export class DefaultCreateContract implements CreateContract {
     if (response.status === 200 || response.status === 208) {
       return contractTX.id;
     } else {
-      throw new Error('Unable to write Contract Initial State');
+      throw new Error('Unable to write Contract Initial State\n'+resource.statusText.msg);
     }
   }
 }