wallet-core: implement listExchangesForScopedCurrency

1 files changed, 21 insertions, 0 deletions

diff --git a/packages/taler-wallet-core/src/wallet.ts b/packages/taler-wallet-core/src/wallet.ts
index 06d9bb9e8..6600aa799 100644
--- a/packages/taler-wallet-core/src/wallet.ts
+++ b/packages/taler-wallet-core/src/wallet.ts
@@ -129,6 +129,9 @@ import {
   setDangerousTimetravel,
   TestingWaitTransactionRequest,
   codecForUpdateExchangeEntryRequest,
+  codecForListExchangesForScopedCurrencyRequest,
+  ListExchangesForScopedCurrencyRequest,
+  ExchangesShortListResponse,
 } from "@gnu-taler/taler-util";
 import type { HttpRequestLibrary } from "@gnu-taler/taler-util/http";
 import { readSuccessResponseJsonOrThrow } from "@gnu-taler/taler-util/http";
@@ -1132,6 +1135,24 @@ async function dispatchRequestInternal<Op extends WalletApiOperation>(
     case WalletApiOperation.ListExchanges: {
       return await getExchanges(ws);
     }
+    case WalletApiOperation.ListExchangesForScopedCurrency: {
+      const req =
+        codecForListExchangesForScopedCurrencyRequest().decode(payload);
+      const exchangesResp = await getExchanges(ws);
+      const result: ExchangesShortListResponse = {
+        exchanges: [],
+      };
+      // Right now we only filter on the currency, as wallet-core doesn't
+      // fully support scoped currencies yet.
+      for (const exch of exchangesResp.exchanges) {
+        if (exch.currency === req.scope.currency) {
+          result.exchanges.push({
+            exchangeBaseUrl: exch.exchangeBaseUrl,
+          });
+        }
+      }
+      return result;
+    }
     case WalletApiOperation.GetExchangeDetailedInfo: {
       const req = codecForAddExchangeRequest().decode(payload);
       return await getExchangeDetailedInfo(ws, req.exchangeBaseUrl);