Enc typescript testing

configuration/common.ts

@@ -0,0 +1,51 @@
+import config from './config';
+
+type ChainConfig = {
+    chains: {
+        [key: string]: {
+            localName: string;
+            chainName: string;
+            chainSymbol: string;
+        };
+    };
+};
+
+type Options = {
+    chainId?: string | number | null;
+    chainSymbol?: string | null;
+};
+
+const getChainIdFromChainSymbol = async (chainSymbol: string): Promise<string | null> => {
+    const upperCaseChainSymbol = chainSymbol.toUpperCase();
+
+    for (const chain in (config as ChainConfig).chains) {
+        if ((config as ChainConfig).chains[chain].chainSymbol.toUpperCase() === upperCaseChainSymbol) {
+            return chain;
+        }
+    }
+
+    return null;
+}
+
+export const getChainId = async (options: Options): Promise<string | null> => {
+    /*
+     * This function returns the appropriate chainId 
+     * for the given combination of chainId and chainSymbol
+     */
+
+    let chainId: string | null = options.chainId ? options.chainId.toString() : null;
+    const chainSymbol: string | null = options.chainSymbol ? options.chainSymbol.toUpperCase() : null;
+
+    if (chainId === null && chainSymbol === null) {
+        // By default setting it to EVM based chains
+        chainId = "1";
+    } else if (chainId === null && chainSymbol != null) {
+        // Fetch the equivalent chain ID from the configuration file
+        chainId = await getChainIdFromChainSymbol(chainSymbol);
+    } else if (chainId != null) {
+        // Ensure chainId is a string
+        chainId = chainId.toString();
+    }
+
+    return chainId;
+};

configuration/config.json

@@ -1,3 +1,4 @@
+
 {
     "chains": {
         "1": {
@@ -444,3 +445,4 @@
         }
     }
 }
+