1 files changed, 13 insertions, 0 deletions
diff --git a/packages/taler-wallet-core/src/operations/common.ts b/packages/taler-wallet-core/src/operations/common.ts
index a64f78b03..ad18767c4 100644
--- a/packages/taler-wallet-core/src/operations/common.ts
+++ b/packages/taler-wallet-core/src/operations/common.ts
@@ -474,3 +474,16 @@ export function constructTombstone(p: ParsedTombstone): TombstoneIdStr {
       return `tmb:${p.tag}:${p.refundGroupId}` as TombstoneIdStr;
   }
 }
+
+/**
+ * Uniform interface for a particular wallet transaction.
+ */
+export interface TransactionManager {
+  get taskId(): TaskId;
+  get transactionId(): TransactionIdStr;
+  fail(): Promise<void>;
+  abort(): Promise<void>;
+  suspend(): Promise<void>;
+  resume(): Promise<void>;
+  process(): Promise<OperationAttemptResult>;
+}