taler-typescript-core

commit 5765db5ba77cd5ab8ad72f2ce8d117ee79bec809
parent 417c1d10592cba097bf4c928c160dc2278c1636c
Author: Florian Dold <florian@dold.me>
Date:   Wed, 23 Apr 2025 23:54:02 +0200

wallet-core: expand run-length encoded denom list for melt request

Diffstat:
M
packages/taler-wallet-core/src/refresh.ts
 | 
13
++++++++++++-

1 file changed, 12 insertions(+), 1 deletion(-)
diff --git a/packages/taler-wallet-core/src/refresh.ts b/packages/taler-wallet-core/src/refresh.ts
@@ -910,6 +910,17 @@ async function refreshMelt(
       sessionPublicSeed: refreshSession.sessionPublicSeed,
     });
 
+    // Wallet stores new denoms run-length encoded,
+    // we need to expand the list of denominations
+    // for the exchange.
+    const newDenomsFlat: string[] = [];
+    for (let i = 0; i < newCoinDenoms.length; i++) {
+      const dsel = newCoinDenoms[i];
+      for (let j = 0; j < dsel.count; j++) {
+        newDenomsFlat.push(dsel.denomPubHash);
+      }
+    }
+
     const reqUrl = new URL(`melt`, oldCoin.exchangeBaseUrl);
     const meltReqBody: ExchangeMeltRequestV2 = {
       old_coin_pub: oldCoin.coinPub,
@@ -919,7 +930,7 @@ async function refreshMelt(
       refresh_seed: refreshSession.sessionPublicSeed,
       confirm_sig: derived.confirmSig,
       coin_evs: derived.planchets.map((x) => x.map((y) => y.coinEv)),
-      denoms_h: newCoinDenoms.map((x) => x.denomPubHash),
+      denoms_h: newDenomsFlat,
       value_with_fee: Amounts.stringify(derived.meltValueWithFee),
     };
     logger.info(`melt request body: ${j2s(meltReqBody)}`);