From eedf7695d64e4c00af3d178484900c7c57087ac0 Mon Sep 17 00:00:00 2001
From: Adam Soltys <adam@coinos.io>
Date: Sun, 15 Feb 2026 22:26:43 -0800
Subject: ark refresh

---
 lib/ark.ts | 25 ++++++++++++++++++-------
 lib/zmq.ts |  3 +++
 2 files changed, 21 insertions(+), 7 deletions(-)

(limited to 'lib')

diff --git a/lib/ark.ts b/lib/ark.ts
index 3522c9cf..2c7fbe2b 100644
--- a/lib/ark.ts
+++ b/lib/ark.ts
@@ -24,6 +24,8 @@ const getWallet = async () => {
 };
 
 let refreshing = false;
+let lastRefresh = 0;
+const REFRESH_COOLDOWN = 30_000;
 const failedBoardingOutpoints = new Set<string>();
 
 const withTimeout = <T>(promise: Promise<T>, ms: number, label: string) =>
@@ -34,10 +36,12 @@ const withTimeout = <T>(promise: Promise<T>, ms: number, label: string) =>
     ),
   ]);
 
-export const refreshArkWallet = async () => {
-  if (refreshing) return;
+export const refreshArkWallet = async (force = false) => {
+  const now = Date.now();
+  if (refreshing || (!force && now - lastRefresh < REFRESH_COOLDOWN)) return;
   try {
     refreshing = true;
+    lastRefresh = now;
     const w = await getWallet();
     const balance = await w.getBalance();
     l(
@@ -122,18 +126,25 @@ export const refreshArkWallet = async () => {
   }
 };
 
-// Check every 2 minutes
-setInterval(refreshArkWallet, 2 * 60 * 1000);
-// Initial check after 30s startup delay
+// Initial check after 30s startup delay; ongoing checks triggered by ZMQ blocks
 setTimeout(refreshArkWallet, 30_000);
 
 export const sendArk = async (address: string, amount: number) => {
   const timeout = new Promise((_, reject) =>
-    setTimeout(() => reject(new Error("Ark send timed out")), 45000),
+    setTimeout(() => reject(new Error("Ark send timed out")), 60000),
   );
   const send = async () => {
     const w = await getWallet();
-    return w.sendBitcoin({ address, amount });
+    try {
+      return await w.sendBitcoin({ address, amount });
+    } catch (e: any) {
+      if (/insufficient funds/i.test(e.message)) {
+        l("ark send got insufficient funds, refreshing wallet and retrying");
+        await refreshArkWallet(true);
+        return w.sendBitcoin({ address, amount });
+      }
+      throw e;
+    }
   };
   return Promise.race([send(), timeout]);
 };
diff --git a/lib/zmq.ts b/lib/zmq.ts
index b743a750..09f5a4ba 100644
--- a/lib/zmq.ts
+++ b/lib/zmq.ts
@@ -1,6 +1,7 @@
 import net from "node:net";
 import config from "$config";
 import { btcNetwork } from "$lib/esplora";
+import { refreshArkWallet } from "$lib/ark";
 import { err, l, warn } from "$lib/logging";
 import { processWatchedTx } from "$lib/payments";
 import { Transaction } from "@scure/btc-signer";
@@ -116,6 +117,8 @@ const handleRawBlock = async (raw: Uint8Array) => {
       warn("zmq block tx decode failed", i, e.message);
     }
   }
+
+  refreshArkWallet().catch(() => {});
 };
 
 // ZMTP 3.0 NULL protocol
-- 
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