1 files changed, 7 insertions, 7 deletions
diff --git a/packages/taler-wallet-core/src/refresh.ts b/packages/taler-wallet-core/src/refresh.ts
index 38b8b097c..f160e0731 100644
--- a/packages/taler-wallet-core/src/refresh.ts
+++ b/packages/taler-wallet-core/src/refresh.ts
@@ -387,7 +387,6 @@ async function getCoinAvailabilityForDenom(
   denom: DenominationInfo,
   ageRestriction: number,
 ): Promise<CoinAvailabilityRecord> {
-  checkDbInvariant(!!denom);
   let car = await tx.coinAvailability.get([
     denom.exchangeBaseUrl,
     denom.denomPubHash,
@@ -538,7 +537,7 @@ async function destroyRefreshSession(
       denom,
       oldCoin.maxAge,
     );
-    checkDbInvariant(car.pendingRefreshOutputCount != null);
+    checkDbInvariant(car.pendingRefreshOutputCount != null, `no pendingRefreshOutputCount for denom ${dph}`);
     car.pendingRefreshOutputCount =
       car.pendingRefreshOutputCount - refreshSession.newDenoms[i].count;
     await tx.coinAvailability.put(car);
@@ -1251,7 +1250,7 @@ async function refreshReveal(
           coin.exchangeBaseUrl,
           coin.denomPubHash,
         );
-        checkDbInvariant(!!denomInfo);
+        checkDbInvariant(!!denomInfo, `no denom with hash ${coin.denomPubHash}`);
         const car = await getCoinAvailabilityForDenom(
           wex,
           tx,
@@ -1261,6 +1260,7 @@ async function refreshReveal(
         checkDbInvariant(
           car.pendingRefreshOutputCount != null &&
             car.pendingRefreshOutputCount > 0,
+            `no pendingRefreshOutputCount for denom ${coin.denomPubHash} age ${coin.maxAge}`
         );
         car.pendingRefreshOutputCount--;
         car.freshCoinCount++;
@@ -1568,8 +1568,8 @@ async function applyRefreshToOldCoins(
           coin.denomPubHash,
           coin.maxAge,
         ]);
-        checkDbInvariant(!!coinAv);
-        checkDbInvariant(coinAv.freshCoinCount > 0);
+        checkDbInvariant(!!coinAv, `no denom info for ${coin.denomPubHash} age ${coin.maxAge}`);
+        checkDbInvariant(coinAv.freshCoinCount > 0, `no fresh coins for ${coin.denomPubHash}`);
         coinAv.freshCoinCount--;
         await tx.coinAvailability.put(coinAv);
         break;
@@ -1779,7 +1779,7 @@ export async function forceRefresh(
       ],
     },
     async (tx) => {
-      let coinPubs: CoinRefreshRequest[] = [];
+      const coinPubs: CoinRefreshRequest[] = [];
       for (const c of req.refreshCoinSpecs) {
         const coin = await tx.coins.get(c.coinPub);
         if (!coin) {
@@ -1791,7 +1791,7 @@ export async function forceRefresh(
           coin.exchangeBaseUrl,
           coin.denomPubHash,
         );
-        checkDbInvariant(!!denom);
+        checkDbInvariant(!!denom, `no denom hash: ${coin.denomPubHash}`);
         coinPubs.push({
           coinPub: c.coinPub,
           amount: c.amount ?? denom.value,