Cache wallet status in /api/status to fix Mission Control showing 0 b…

clawsats-wallet/src/server/JsonRpcServer.ts

@@ -53,6 +53,8 @@ export class JsonRpcServer {
   private indelibleAuthToken: string;
   private indelibleCache: { data: IndelibleStatusData | null; expiresAt: number } = { data: null, expiresAt: 0 };
   private agentCertHex: string | null = null;
+  private walletStatusCache: { data: WalletStatus | null; expiresAt: number } = { data: null, expiresAt: 0 };
+  private walletStatusRefreshing = false;
 
   constructor(walletManager: WalletManager, options: ServeOptions = {}) {
     this.walletManager = walletManager;
@@ -346,28 +348,8 @@ export class JsonRpcServer {
         const completedJobs = jobs.filter(j => j.status === 'completed').length;
         const approvalJobs = jobs.filter(j => j.status === 'needs_approval').length;
 
-        // Wallet fields (V2-0 + V2-A expanded) — 10s timeout to prevent deadlock
-        let walletStatus: WalletStatus | null = null;
-        try {
-          const walletPromise = (async () => {
-            const balanceSats = await this.walletManager.getBalance();
-            const utxo = await this.walletManager.getUtxoStatus();
-            return { balanceSats, utxo };
-          })();
-          const timeoutPromise = new Promise<never>((_, reject) =>
-            setTimeout(() => reject(new Error('wallet timeout')), 10000)
-          );
-          const { balanceSats, utxo } = await Promise.race([walletPromise, timeoutPromise]);
-          walletStatus = {
-            balanceSats,
-            utxoTotal: utxo.total,
-            utxoAvailable: utxo.available,
-            utxoLocked: utxo.locked,
-            utxoStuck: utxo.stuck,
-            fundingAddress: this.walletManager.getFundingAddress(),
-            concurrencySlots: utxo.available
-          };
-        } catch {}
+        // Wallet fields — served from 30s cache to avoid DB contention on frequent polls
+        const walletStatus: WalletStatus | null = await this.getCachedWalletStatus();
 
         // Brain stats extracted from brain-events.jsonl
         const brainStats = this.extractBrainStats(brainEvents);
@@ -2267,6 +2249,44 @@ export class JsonRpcServer {
    * Results are cached for 10 seconds to avoid hammering on 15s dashboard refresh.
    * Returns null when Indelible is disabled or all calls fail.
    */
+  private async getCachedWalletStatus(): Promise<WalletStatus | null> {
+    if (this.walletStatusCache.data && Date.now() < this.walletStatusCache.expiresAt) {
+      return this.walletStatusCache.data;
+    }
+    if (this.walletStatusRefreshing) {
+      return this.walletStatusCache.data;
+    }
+    this.walletStatusRefreshing = true;
+    try {
+      const walletPromise = (async () => {
+        const balanceSats = await this.walletManager.getBalance();
+        const utxo = await this.walletManager.getUtxoStatus();
+        return { balanceSats, utxo };
+      })();
+      const timeoutPromise = new Promise<never>((_, reject) =>
+        setTimeout(() => reject(new Error('wallet status timeout')), 15000)
+      );
+      const { balanceSats, utxo } = await Promise.race([walletPromise, timeoutPromise]);
+      const status: WalletStatus = {
+        balanceSats,
+        utxoTotal: utxo.total,
+        utxoAvailable: utxo.available,
+        utxoLocked: utxo.locked,
+        utxoStuck: utxo.stuck,
+        fundingAddress: this.walletManager.getFundingAddress(),
+        concurrencySlots: utxo.available
+      };
+      this.walletStatusCache = { data: status, expiresAt: Date.now() + 30000 };
+      return status;
+    } catch (err) {
+      const msg = err instanceof Error ? err.message : String(err);
+      console.warn(`[STATUS] Wallet status query failed: ${msg}`);
+      return this.walletStatusCache.data;
+    } finally {
+      this.walletStatusRefreshing = false;
+    }
+  }
+
   private async fetchIndelibleData(): Promise<IndelibleStatusData | null> {
     if (!this.indelibleEnabled) return null;