wallet-core: implement denom-loss transaction

1 files changed, 37 insertions, 1 deletions

diff --git a/packages/taler-wallet-core/src/db.ts b/packages/taler-wallet-core/src/db.ts
index 98390805b..4ead3cf5c 100644
--- a/packages/taler-wallet-core/src/db.ts
+++ b/packages/taler-wallet-core/src/db.ts
@@ -39,6 +39,7 @@ import {
   CoinPublicKeyString,
   CoinRefreshRequest,
   CoinStatus,
+  DenomLossEventType,
   DenomSelectionState,
   DenominationInfo,
   DenominationPubKey,
@@ -149,7 +150,7 @@ export const CURRENT_DB_CONFIG_KEY = "currentMainDbName";
  * backwards-compatible way or object stores and indices
  * are added.
  */
-export const WALLET_DB_MINOR_VERSION = 8;
+export const WALLET_DB_MINOR_VERSION = 9;
 
 declare const symDbProtocolTimestamp: unique symbol;
 
@@ -2355,11 +2356,46 @@ export interface TransactionRecord {
   currency: string;
 }
 
+export enum DenomLossStatus {
+  /**
+   * Done indicates that the loss happened.
+   */
+  Done = 0x0500_0000,
+
+  /**
+   * Aborted in the sense that the loss was reversed.
+   */
+  Aborted = 0x0503_0001,
+}
+
+export interface DenomLossEventRecord {
+  denomLossEventId: string;
+  currency: string;
+  denomPubHashes: string[];
+  status: DenomLossStatus;
+  timestampCreated: DbPreciseTimestamp;
+  amount: string;
+  eventType: DenomLossEventType;
+  exchangeBaseUrl: string;
+}
+
 /**
  * Schema definition for the IndexedDB
  * wallet database.
  */
 export const WalletStoresV1 = {
+  denomLossEvents: describeStoreV2({
+    recordCodec: passthroughCodec<DenomLossEventRecord>(),
+    storeName: "denomLossEvents",
+    keyPath: "denomLossEventId",
+    versionAdded: 9,
+    indexes: {
+      byCurrency: describeIndex("byCurrency", "currency", {
+        versionAdded: 9,
+      }),
+      byStatus: describeIndex("byStatus", "status"),
+    },
+  }),
   transactions: describeStoreV2({
     recordCodec: passthroughCodec<TransactionRecord>(),
     storeName: "transactions",