fix: white whale inflation to 0 if fails and filter alliances

lib/QueryAlliances.ts

@@ -12,11 +12,15 @@ export const QueryAlliances = async (chain: Chain): Promise<AllianceAsset[]> =>
   // for the rates of the hub contract per each coin.
   if (chain.hasAllianceHub()) {
     const allianceHubAsset = alliances.find((a) => a.denom === chain.getAllianceHubDenom()) as AllianceAsset;
-    const alliancefromHub = await queryAllianceHubAssets(chain.getAllianceHubAddress(), allianceHubAsset);
+    // Remove the hub asset from the list of alliances
+    alliances.filter((a) => a.denom === chain.getAllianceHubDenom())
+    const alliancesfromHub = await queryAllianceHubAssets(chain.getAllianceHubAddress(), allianceHubAsset);
 
+    // Used to filter out any asset that is not available in
+    // application's state to avoid broken assets in the list.
     alliances = alliances
-      .concat(...alliancefromHub)
-      .filter((a) => a.denom !== chain.getAllianceHubDenom());
+      .concat(alliancesfromHub)
+      .filter(alliance => chain.allianceCoins[alliance.denom] !== undefined);
   }
 
   return alliances;

lib/QueryInflation.ts

@@ -7,11 +7,21 @@ import { CarbonInflationRes } from "../const/chains";
 const INFLATION_CACHE: { [chainId: string]: Dec } = {};
 
 // If carbon would have used the standard API this would haven't been necessary
-export const GetInflationEndpoint = (chainId: string): Promise<any> => {
+export const GetInflationEndpoint = async (chainId: string): Promise<any> => {
     if (INFLATION_CACHE[chainId]) return Promise.resolve();
 
+
     if (chainId === "carbon-1") {
-        return fetch("https://api-insights.carbon.network/chain/inflation")
+        let res = await fetch("https://api-insights.carbon.network/chain/inflation")
+            .catch(_ => {
+                return Promise.resolve({
+                    result: {
+                        inflationRate: "0"
+                    }
+                })
+            });
+
+        return res;
     }
 
     return LCD.mint.inflation(chainId);