Initial commit with 🏗️ Scaffold-ETH 2 @ 1.0.5

packages/nextjs/components/scaffold-eth/FaucetButton.tsx

@@ -0,0 +1,73 @@
+"use client";
+
+import { useState } from "react";
+import { createWalletClient, http, parseEther } from "viem";
+import { hardhat } from "viem/chains";
+import { useAccount } from "wagmi";
+import { BanknotesIcon } from "@heroicons/react/24/outline";
+import { useTransactor } from "~~/hooks/scaffold-eth";
+import { useWatchBalance } from "~~/hooks/scaffold-eth/useWatchBalance";
+
+// Number of ETH faucet sends to an address
+const NUM_OF_ETH = "1";
+const FAUCET_ADDRESS = "0xf39Fd6e51aad88F6F4ce6aB8827279cffFb92266";
+
+const localWalletClient = createWalletClient({
+  chain: hardhat,
+  transport: http(),
+});
+
+/**
+ * FaucetButton button which lets you grab eth.
+ */
+export const FaucetButton = () => {
+  const { address, chain: ConnectedChain } = useAccount();
+
+  const { data: balance } = useWatchBalance({ address });
+
+  const [loading, setLoading] = useState(false);
+
+  const faucetTxn = useTransactor(localWalletClient);
+
+  const sendETH = async () => {
+    if (!address) return;
+    try {
+      setLoading(true);
+      await faucetTxn({
+        account: FAUCET_ADDRESS,
+        to: address,
+        value: parseEther(NUM_OF_ETH),
+      });
+      setLoading(false);
+    } catch (error) {
+      console.error("⚡️ ~ file: FaucetButton.tsx:sendETH ~ error", error);
+      setLoading(false);
+    }
+  };
+
+  // Render only on local chain
+  if (ConnectedChain?.id !== hardhat.id) {
+    return null;
+  }
+
+  const isBalanceZero = balance && balance.value === 0n;
+
+  return (
+    <div
+      className={
+        !isBalanceZero
+          ? "ml-1"
+          : "ml-1 tooltip tooltip-bottom tooltip-primary tooltip-open font-bold before:left-auto before:transform-none before:content-[attr(data-tip)] before:-translate-x-2/5"
+      }
+      data-tip="Grab funds from faucet"
+    >
+      <button className="btn btn-secondary btn-sm px-2 rounded-full" onClick={sendETH} disabled={loading}>
+        {!loading ? (
+          <BanknotesIcon className="h-4 w-4" />
+        ) : (
+          <span className="loading loading-spinner loading-xs"></span>
+        )}
+      </button>
+    </div>
+  );
+};