Initial commit with 🏗️ Scaffold-ETH 2 @ 1.0.5

packages/nextjs/hooks/scaffold-eth/useContractLogs.ts

@@ -0,0 +1,40 @@
+import { useEffect, useState } from "react";
+import { useTargetNetwork } from "./useTargetNetwork";
+import { Address, Log } from "viem";
+import { usePublicClient } from "wagmi";
+
+export const useContractLogs = (address: Address) => {
+  const [logs, setLogs] = useState<Log[]>([]);
+  const { targetNetwork } = useTargetNetwork();
+  const client = usePublicClient({ chainId: targetNetwork.id });
+
+  useEffect(() => {
+    const fetchLogs = async () => {
+      if (!client) return console.error("Client not found");
+      try {
+        const existingLogs = await client.getLogs({
+          address: address,
+          fromBlock: 0n,
+          toBlock: "latest",
+        });
+        setLogs(existingLogs);
+      } catch (error) {
+        console.error("Failed to fetch logs:", error);
+      }
+    };
+    fetchLogs();
+
+    return client?.watchBlockNumber({
+      onBlockNumber: async (_blockNumber, prevBlockNumber) => {
+        const newLogs = await client.getLogs({
+          address: address,
+          fromBlock: prevBlockNumber,
+          toBlock: "latest",
+        });
+        setLogs(prevLogs => [...prevLogs, ...newLogs]);
+      },
+    });
+  }, [address, client]);
+
+  return logs;
+};