fix(wallet): handle desktop walletconnect reconnect

src/wallet/WalletLoginModal.tsx

@@ -181,6 +181,16 @@ export function WalletLoginModal() {
           </p>
         ) : null}
 
+        {selected ? (
+          <div className="mt-4 rounded-2xl border border-white/10 bg-white/[0.03] px-4 py-3 text-xs leading-5 text-neutral-400">
+            <p className="font-semibold text-neutral-200">Wallet debug</p>
+            <p>state: {wc.state}</p>
+            <p>connected: {wc.isConnected ? "yes" : "no"}</p>
+            <p className="break-all">address: {wc.address || "-"}</p>
+            <p>qr: {wc.qrUri ? "received" : "-"}</p>
+          </div>
+        ) : null}
+
         {selected ? (
           <p className="mt-4 text-xs leading-5 text-amber-300/80">
             {t("walletNetworkWarning")}

src/wallet/useWalletConnectLogin.ts

@@ -1,5 +1,5 @@
-import { useCallback, useEffect, useRef, useState } from "react";
+import { useCallback, useRef, useState } from "react";
-import { useAccount, useConnect, useDisconnect } from "wagmi";
+import { useConnect, useDisconnect } from "wagmi";
 import { bsc } from "wagmi/chains";
 import { hasWalletConnectProjectId } from "./RainbowWalletProvider";
 import type { WalletKind } from "./injected";
@@ -45,12 +45,12 @@ function walletConnectDeeplink(
 export function useWalletConnectLogin() {
   const available = hasWalletConnectProjectId();
   const { completeLogin } = useWallet();
-  const { address, isConnected } = useAccount();
   const { connectAsync, connectors } = useConnect();
-  const { disconnect } = useDisconnect();
+  const { disconnect, disconnectAsync } = useDisconnect();
   const [state, setState] = useState<WalletConnectLoginState>("idle");
   const [error, setError] = useState("");
   const [qrUri, setQrUri] = useState("");
+  const [connectedAddress, setConnectedAddress] = useState("");
   const pendingRef = useRef(false);
   const cleanupMessageRef = useRef<(() => void) | null>(null);
 
@@ -61,6 +61,7 @@ export function useWalletConnectLogin() {
     setState("idle");
     setError("");
     setQrUri("");
+    setConnectedAddress("");
   }, []);
 
   const start = useCallback(
@@ -71,6 +72,7 @@ export function useWalletConnectLogin() {
       if (!available) return;
       setError("");
       setQrUri("");
+      setConnectedAddress("");
       pendingRef.current = true;
       setState("connecting");
 
@@ -122,8 +124,27 @@ export function useWalletConnectLogin() {
         connector.emitter.off("message", onMessage);
 
       try {
+        await disconnectAsync().catch(() => undefined);
         await connector.disconnect().catch(() => undefined);
-        await connectAsync({ chainId: bsc.id, connector });
+        const result = await connectAsync({ chainId: bsc.id, connector });
+        const connectedAddress = result.accounts[0];
+        if (!connectedAddress)
+          throw new Error("Wallet connected without an account");
+        pendingRef.current = false;
+        setConnectedAddress(connectedAddress);
+        console.info("[wallet-login] walletconnect connected", {
+          address: connectedAddress,
+          chain: "BNB Chain",
+          chainId: bsc.id,
+        });
+        window.alert(`扫码成功，已拿到钱包地址：\n${connectedAddress}`);
+        completeLogin(localWalletToken(connectedAddress), connectedAddress);
+        console.info("[wallet-login] local wallet session completed", {
+          address: connectedAddress,
+        });
+        setQrUri("");
+        setState("idle");
+        disconnect();
       } catch (err) {
         pendingRef.current = false;
         setState("idle");
@@ -134,17 +155,24 @@ export function useWalletConnectLogin() {
         cleanupMessageRef.current = null;
       }
     },
-    [available, connectAsync, connectors],
+    [
+      available,
+      completeLogin,
+      connectAsync,
+      connectors,
+      disconnect,
+      disconnectAsync,
+    ],
   );
 
-  useEffect(() => {
+  return {
-    if (!pendingRef.current || !isConnected || !address) return;
+    available,
-    pendingRef.current = false;
+    state,
-    completeLogin(localWalletToken(address), address);
+    error,
-    setQrUri("");
+    qrUri,
-    setState("idle");
+    address: connectedAddress,
-    disconnect();
+    isConnected: Boolean(connectedAddress),
-  }, [address, completeLogin, disconnect, isConnected]);
+    start,
-
+    reset,
-  return { available, state, error, qrUri, start, reset };
+  };
 }