1 files changed, 19 insertions, 0 deletions
diff --git a/packages/taler-wallet-core/src/operations/common.ts b/packages/taler-wallet-core/src/operations/common.ts
index d8fb82be1..1103b7255 100644
--- a/packages/taler-wallet-core/src/operations/common.ts
+++ b/packages/taler-wallet-core/src/operations/common.ts
@@ -1075,3 +1075,22 @@ export namespace TaskIdentifiers {
     return `${PendingTaskType.PeerPushCredit}:${ppi.peerPushCreditId}` as TaskId;
   }
 }
+
+/**
+ * Result of a transaction transition.
+ */
+export enum TransitionResult {
+  Transition = 1,
+  Stay = 2,
+}
+
+/**
+ * Transaction context.
+ *
+ * FIXME: Should eventually be implemented by all transactions.
+ */
+export interface TransactionContext {
+  abortTransaction(): Promise<void>;
+  resumeTransaction(): Promise<void>;
+  failTransaction(): Promise<void>;
+}