From ff2e96be155f2eaccfb463f14bcd8b29d60731b8 Mon Sep 17 00:00:00 2001
From: dappsar <dapps.ar@gmail.com>
Date: Sat, 20 Jul 2024 09:31:26 -0300
Subject: [PATCH] [fix] :bug: add middleware to handle alpha data (#375)

---
 src/services/middleware.js | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 src/services/middleware.js

diff --git a/src/services/middleware.js b/src/services/middleware.js
new file mode 100644
index 00000000..03a57a76
--- /dev/null
+++ b/src/services/middleware.js
@@ -0,0 +1,27 @@
+const cache = new Map()
+
+export const fetchWithRetry = async (key, requestFunc, retries = 5, delay = 2000) => {
+  // Verifica si el resultado ya está en caché
+  if (cache.has(key)) {
+    console.log('get from cache: ', key)
+    return cache.get(key)
+  }
+
+  console.log('NO from cache: ', key)
+  for (let i = 0; i < retries; i++) {
+    try {
+      const result = await requestFunc()
+      // Guarda el resultado en caché
+      cache.set(key, result)
+      console.log('save in cache:', key, result)
+      return result
+    } catch (error) {
+      console.log('retry: ', key, i + 1)
+      if (error.code === -32005 && i < retries - 1) {
+        await new Promise((resolve) => setTimeout(resolve, delay))
+      } else {
+        throw error
+      }
+    }
+  }
+}