fix: Using old prod fallback and using /currencies

libs/ledger-live-common/src/exchange/index.ts

@@ -3,6 +3,7 @@ import type { CryptoCurrency, TokenCurrency } from "@ledgerhq/types-cryptoassets
 import { getEnv } from "@ledgerhq/live-env";
 import { findTestExchangeCurrencyConfig } from "./testCurrencyConfig";
 import { findExchangeCurrencyData } from "./providers/swap";
+import { findExchangeCurrencyConfig as findProdExchangeCurrencyConfig } from "@ledgerhq/cryptoassets";
 // Minimum version of a currency app which has exchange capabilities, meaning it can be used
 // for sell/swap, and do silent signing.
 const exchangeSupportAppVersions = {
@@ -39,14 +40,22 @@ export const isExchangeSupportedByApp = (appName: string, appVersion: string): b
 export const getCurrencyExchangeConfig = async (
   currency: CryptoCurrency | TokenCurrency,
 ): Promise<ExchangeCurrencyNameAndSignature> => {
-  const type = currency.type === "TokenCurrency" ? "tokens" : "coins";
+  let res;
+  try {
+    res = getEnv("MOCK_EXCHANGE_TEST_CONFIG")
+      ? await findTestExchangeCurrencyConfig(currency.id)
+      : await findExchangeCurrencyData(currency.id);
 
-  const res = getEnv("MOCK_EXCHANGE_TEST_CONFIG")
-    ? await findTestExchangeCurrencyConfig(currency.id)
-    : await findExchangeCurrencyData(currency.id, type);
+    if (!res) {
+      throw new Error("Missing primary config");
+    }
+  } catch (error) {
+    // Fallback to old production config if the primary fetch fails, should be removed when we have a HA CAL
+    res = await findProdExchangeCurrencyConfig(currency.id);
 
-  if (!res) {
-    throw new Error(`Exchange, missing configuration for ${currency.id}`);
+    if (!res) {
+      throw new Error(`Exchange, missing configuration for ${currency.id}`);
+    }
   }
 
   return {

libs/ledger-live-common/src/exchange/providers/swap.ts

@@ -246,24 +246,18 @@ export const getProvidersData = async (): Promise<Record<string, ProviderData>>
 
 /**
  * Retrieves the currency data for a given ID
- * coins and tokens are litteraly the same on our case but we need to call the correct endpoint.
  * @param currencyId The unique identifier for the currency.
- * @param type Specifies the type of currency, either "tokens" or "coins".
  * @returns A promise that resolves to the currency data including ID, serialized config, and signature.
  */
-export const findExchangeCurrencyData = async (
-  currencyId: string,
-  type: "tokens" | "coins",
-): Promise<CurrencyData> => {
+export const findExchangeCurrencyData = async (currencyId: string): Promise<CurrencyData> => {
   const { data: currencyData } = await network<CurrencyDataResponse>({
     method: "GET",
-    url: `https://crypto-assets-service.api.ledger.com/v1/${type}`,
+    url: "https://crypto-assets-service.api.ledger.com/v1/currencies",
     params: {
       output: "id,exchange_app_config_serialized,exchange_app_signature",
       id: currencyId,
     },
   });
-  // TODO: maybe throw errors/warning if many currencies fetched with the same ID.
   if (!currencyData.length) {
     throw new Error(`Exchange, missing configuration for ${currencyId}`);
   }