Pass metadata and options to Txn.discard in Txn.mutate

Author: gpahal

lib/txn.js

@@ -112,7 +112,7 @@ var Txn = (function () {
                         _a.label = 4;
                     case 4:
                         _a.trys.push([4, 6, , 7]);
-                        return [4, this.discard()];
+                        return [4, this.discard(metadata, options)];
                     case 5:
                         _a.sent();
                         return [3, 7];

src/txn.ts

@@ -117,7 +117,7 @@ export class Txn {
             // mutations could have applied but not others, but we don't know which ones).
             // Discarding the transaction enforces that the user cannot use the txn further.
             try {
-                await this.discard();
+                await this.discard(metadata, options);
             } catch (e) {
                 // Ignore error - user should see the original error.
             }