fix: add back hardhat

packages/nextjs/app/page.tsx

@@ -31,7 +31,7 @@ const Home: NextPage = () => {
     try {
       const isTestnet = await primaryWallet?.connector?.isTestnet();
       if (!isTestnet) {
-        alert("You might want to switch to testnet to send transactions");
+        alert("You're not on a testnet, proceed with caution.");
       }
       const hash = await sendTransaction(connectedAddress, "0.0001", primaryWallet, networkConfigurations);
       setTransactionSignature(hash);

packages/nextjs/app/safe/page.tsx

@@ -22,6 +22,7 @@ import {
   getPimlicoSmartAccountClient,
   transferERC20,
 } from "~~/lib/permissionless";
+import { notification } from "~~/utils/scaffold-eth";
 
 const SafePage = () => {
   const { address, chain, isConnected } = useAccount();
@@ -61,6 +62,12 @@ const SafePage = () => {
     setNetwork(network);
   };
 
+  useEffect(() => {
+    if (!process.env.NEXT_PUBLIC_PIMLICO_API_KEY) {
+      notification.error("Please set NEXT_PUBLIC_PIMLICO_API_KEY in .env file.");
+    }
+  }, []);
+
   useEffect(() => {
     fetchNetwork();
   }, [primaryWallet]);
@@ -72,6 +79,11 @@ const SafePage = () => {
       const userAddress = address as `0x${string}`;
       if (!primaryWallet || !chain) return;
 
+      if (!process.env.NEXT_PUBLIC_PIMLICO_API_KEY) {
+        notification.error("Please set NEXT_PUBLIC_PIMLICO_API_KEY in .env file and restart");
+        return;
+      }
+
       const walletClient = await createWalletClientFromWallet(primaryWallet);
       const { account } = await getPimlicoSmartAccountClient(userAddress, chain, walletClient);
       setSafeAddress(account.address);
@@ -150,8 +162,13 @@ const SafePage = () => {
       const transactionDetail = await getTransactionOnBaseSepoliaByHash(txHash);
       setTransactionDetails([...transactionDetails, transactionDetail]);
     } catch (err) {
-      setError("Failed to transfer tokens.");
-      console.error(err);
+      if (err instanceof Error) {
+        notification.error(err.message);
+        console.error(err.message);
+      } else {
+        setError("Failed to transfer tokens.");
+        console.error(err);
+      }
     } finally {
       setLoading(false);
     }

packages/nextjs/components/ScaffoldEthAppWithProviders.tsx

@@ -38,6 +38,25 @@ export const queryClient = new QueryClient({
   },
 });
 
+const evmNetworks = [
+  ...scaffoldConfig.targetNetworks.map(chain => ({
+    blockExplorerUrls: chain.blockExplorers
+      ? Object.values(chain.blockExplorers as any).map(({ url }: any) => url)
+      : [],
+    chainId: chain.id,
+    name: chain.name,
+    rpcUrls: Object.values(chain.rpcUrls).map(({ http }) => http[0]),
+    iconUrls: [
+      chain.name === "Hardhat"
+        ? "https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcRz4i1wWF516fnkizp1WSDG5rnG8GfkQAVoVQ&s"
+        : "",
+    ],
+    nativeCurrency: chain.nativeCurrency,
+    networkId: chain.id,
+  })),
+  ...customEvmNetworks,
+];
+
 export const ScaffoldEthAppWithProviders = ({ children }: { children: React.ReactNode }) => {
   const { resolvedTheme } = useTheme();
 
@@ -48,7 +67,7 @@ export const ScaffoldEthAppWithProviders = ({ children }: { children: React.Reac
         environmentId: scaffoldConfig.dynamicEnvId,
         walletConnectors: [EthereumWalletConnectors],
         overrides: {
-          evmNetworks: networks => mergeNetworks(customEvmNetworks, networks),
+          evmNetworks: networks => mergeNetworks(evmNetworks, networks),
         },
       }}
     >

packages/nextjs/lib/dynamic.ts

@@ -2,6 +2,7 @@ import { Wallet } from "@dynamic-labs/sdk-react-core";
 import { NetworkConfigurationMap } from "@dynamic-labs/types";
 import { getOrMapViemChain } from "@dynamic-labs/viem-utils";
 import { Account, Chain, Hex, Transport, WalletClient, parseEther } from "viem";
+import { notification } from "~~/utils/scaffold-eth";
 
 export const signMessage = async (message: string, wallet: any): Promise<string> => {
   const connector = wallet?.connector;
@@ -15,24 +16,32 @@ export const sendTransaction = async (
   wallet: Wallet,
   networkConfigurations: NetworkConfigurationMap,
 ): Promise<string> => {
-  const walletClient = wallet.connector.getWalletClient<WalletClient<Transport, Chain, Account>>();
-
-  const chainID = await wallet.connector.getNetwork();
-  const currentNetwork = networkConfigurations.evm?.find(network => network.chainId === chainID);
-
-  if (!currentNetwork) {
-    throw new Error("Network not found");
+  try {
+    const walletClient = wallet.connector.getWalletClient<WalletClient<Transport, Chain, Account>>();
+
+    const chainID = await wallet.connector.getNetwork();
+    const currentNetwork = networkConfigurations.evm?.find(network => network.chainId === chainID);
+
+    if (!currentNetwork) {
+      throw new Error("Network not found");
+    }
+
+    const chain = getOrMapViemChain(currentNetwork);
+
+    const transaction = {
+      account: wallet.address as Hex,
+      to: address as Hex,
+      chain,
+      value: amount ? parseEther(amount) : undefined,
+    };
+
+    const transactionHash = await walletClient.sendTransaction(transaction);
+    return transactionHash;
+  } catch (e) {
+    if (e instanceof Error) {
+      notification.error(`Error sending transaction: ${e.message}`);
+    } else {
+      notification.error("Error sending transaction");
+    }
   }
-
-  const chain = getOrMapViemChain(currentNetwork);
-
-  const transaction = {
-    account: wallet.address as Hex,
-    to: address as Hex,
-    chain,
-    value: amount ? parseEther(amount) : undefined,
-  };
-
-  const transactionHash = await walletClient.sendTransaction(transaction);
-  return transactionHash;
 };

packages/nextjs/scaffold.config.ts

@@ -10,7 +10,7 @@ export type ScaffoldConfig = {
 
 const scaffoldConfig = {
   // The networks on which your DApp is live
-  targetNetworks: [chains.baseSepolia],
+  targetNetworks: [chains.hardhat],
 
   // The interval at which your front-end polls the RPC servers for new data
   // it has no effect if you only target the local network (default is 4000)

packages/nextjs/services/web3/wagmiConfig.tsx

@@ -30,6 +30,7 @@ export const wagmiConfig = createConfig({
     scroll,
     scrollSepolia,
     sepolia,
+    hardhat,
     ...customEvmNetworks.map(getOrMapViemChain),
   ],
   ssr: true,