fix: eliminate double ternary

src/app/hooks/use-proof-of-reserve.ts

@@ -46,27 +46,40 @@ export function useProofOfReserve(): UseProofOfReserveReturnType {
     chainName: string,
     networkType: NetworkType
   ): Promise<ProofOfReserveByChainReturnType> {
-    try {
-      const baseApiURL = `${PROOF_OF_RESERVE_API_URL}/${appConfiguration.appEnvironment}?chain=`;
+    const formatChainParam = (chain: string, network: NetworkType): string => {
+      if (network === NetworkType.XRPL) {
+        return `${network.toLowerCase()}-${chain.toLowerCase()}`;
+      }
+      return chain ? chain.toLowerCase() : '';
+    };
 
-      const chainParam =
-        networkType === NetworkType.XRPL
-          ? `${networkType.toLowerCase()}-${chainName.toLowerCase()}`
-          : chainName
-            ? chainName.toLowerCase()
-            : '';
+    const buildApiUrl = (chainParam: string): string => {
+      const baseUrl = `${PROOF_OF_RESERVE_API_URL}/${appConfiguration.appEnvironment}`;
+      return `${baseUrl}?chain=${chainParam}`;
+    };
 
-      const apiURL = `${baseApiURL}${chainParam}`;
+    try {
+      const chainParam = formatChainParam(chainName, networkType);
+      const apiUrl = buildApiUrl(chainParam);
 
-      const response = await fetch(apiURL);
+      const response = await fetch(apiUrl);
       if (!response.ok) {
         throw new Error('Error fetching Proof of Reserve by Chain');
       }
-      return { chain: `${networkType}-${chainName}`, value: await response.json() };
+
+      const data = await response.json();
+      return {
+        chain: `${networkType}-${chainName}`,
+        value: data
+      };
+
     } catch (error) {
       // eslint-disable-next-line no-console
       console.error('Error fetching Proof of Reserve by Chain', error);
-      return { chain: chainName, value: 0 };
+      return {
+        chain: chainName,
+        value: 0
+      };
     }
   }