refactor: createTestnetConfig to getChainConfig

hardhat.config.ts

@@ -35,12 +35,11 @@ if (!infuraApiKey) {
   throw new Error("Please set your INFURA_API_KEY in a .env file");
 }
 
-function createTestnetConfig(network: keyof typeof chainIds): NetworkUserConfig {
+function getChainConfig(network: keyof typeof chainIds): NetworkUserConfig {
   const url: string = "https://" + network + ".infura.io/v3/" + infuraApiKey;
   return {
     accounts: {
       count: 10,
-      initialIndex: 0,
       mnemonic,
       path: "m/44'/60'/0'/0",
     },
@@ -64,10 +63,10 @@ const config: HardhatUserConfig = {
       },
       chainId: chainIds.hardhat,
     },
-    goerli: createTestnetConfig("goerli"),
-    kovan: createTestnetConfig("kovan"),
-    rinkeby: createTestnetConfig("rinkeby"),
-    ropsten: createTestnetConfig("ropsten"),
+    goerli: getChainConfig("goerli"),
+    kovan: getChainConfig("kovan"),
+    rinkeby: getChainConfig("rinkeby"),
+    ropsten: getChainConfig("ropsten"),
   },
   paths: {
     artifacts: "./artifacts",