From eb2c8d948c2b6fc75915b708ad68d53d37032981 Mon Sep 17 00:00:00 2001
From: Florian Dold <florian@dold.me>
Date: Sun, 31 Mar 2024 17:52:57 +0200
Subject: wallet-core: mark coins as lost, test

---
 packages/taler-wallet-core/src/exchanges.ts | 37 +++++++++++++++++++++--------
 packages/taler-wallet-core/src/refresh.ts   |  2 ++
 2 files changed, 29 insertions(+), 10 deletions(-)

(limited to 'packages/taler-wallet-core')

diff --git a/packages/taler-wallet-core/src/exchanges.ts b/packages/taler-wallet-core/src/exchanges.ts
index 48d8d4972..7fb387a9e 100644
--- a/packages/taler-wallet-core/src/exchanges.ts
+++ b/packages/taler-wallet-core/src/exchanges.ts
@@ -1697,7 +1697,7 @@ interface DenomLossResult {
 async function handleDenomLoss(
   wex: WalletExecutionContext,
   tx: WalletDbReadWriteTransaction<
-    ["coinAvailability", "denominations", "denomLossEvents"]
+    ["coinAvailability", "denominations", "denomLossEvents", "coins"]
   >,
   currency: string,
   exchangeBaseUrl: string,
@@ -1721,6 +1721,9 @@ async function handleDenomLoss(
     }
     const n = coinAv.freshCoinCount;
     const denom = await tx.denominations.get(coinAv.denomPubHash);
+    const timestampExpireDeposit = !denom
+      ? undefined
+      : timestampAbsoluteFromDb(denom.stampExpireDeposit);
     if (!denom) {
       // Remove availability
       coinAv.freshCoinCount = 0;
@@ -1729,9 +1732,7 @@ async function handleDenomLoss(
       denomsVanished.push(coinAv.denomPubHash);
       const total = Amount.from(coinAv.value).mult(n);
       amountVanished = amountVanished.add(total);
-      continue;
-    }
-    if (!denom.isOffered) {
+    } else if (!denom.isOffered) {
       // Remove availability
       coinAv.freshCoinCount = 0;
       coinAv.visibleCoinCount = 0;
@@ -1739,12 +1740,10 @@ async function handleDenomLoss(
       denomsUnoffered.push(coinAv.denomPubHash);
       const total = Amount.from(coinAv.value).mult(n);
       amountUnoffered = amountUnoffered.add(total);
-      continue;
-    }
-    const timestampExpireDeposit = timestampAbsoluteFromDb(
-      denom.stampExpireDeposit,
-    );
-    if (AbsoluteTime.isExpired(timestampExpireDeposit)) {
+    } else if (
+      timestampExpireDeposit &&
+      AbsoluteTime.isExpired(timestampExpireDeposit)
+    ) {
       // Remove availability
       coinAv.freshCoinCount = 0;
       coinAv.visibleCoinCount = 0;
@@ -1752,8 +1751,26 @@ async function handleDenomLoss(
       denomsExpired.push(coinAv.denomPubHash);
       const total = Amount.from(coinAv.value).mult(n);
       amountExpired = amountExpired.add(total);
+    } else {
+      // Denomination is still fine!
       continue;
     }
+
+    logger.warn(`denomination ${coinAv.denomPubHash} is a loss`);
+
+    const coins = await tx.coins.indexes.byDenomPubHash.getAll(
+      coinAv.denomPubHash,
+    );
+    for (const coin of coins) {
+      switch (coin.status) {
+        case CoinStatus.Fresh:
+        case CoinStatus.FreshSuspended: {
+          coin.status = CoinStatus.DenomLoss;
+          await tx.coins.put(coin);
+          break;
+        }
+      }
+    }
   }
 
   if (denomsVanished.length > 0) {
diff --git a/packages/taler-wallet-core/src/refresh.ts b/packages/taler-wallet-core/src/refresh.ts
index 7c9ec84bd..516d5e3da 100644
--- a/packages/taler-wallet-core/src/refresh.ts
+++ b/packages/taler-wallet-core/src/refresh.ts
@@ -1311,6 +1311,8 @@ async function applyRefresh(
         coin.status = CoinStatus.Dormant;
         break;
       }
+      case CoinStatus.DenomLoss:
+        break;
       default:
         assertUnreachable(coin.status);
     }
-- 
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