add backup

.gitignore

@@ -1 +1,2 @@
-node_modules
+node_modules
+tokens.json

server.js

@@ -1,9 +1,10 @@
 require('dotenv').config()
 
 const { getEncodedProofs } = require("@gandlaf21/cashu-ts")
-const { AnarchoFaucet , utils } = require ("@gandlaf21/cashu-tools")
+const { AnarchoFaucet, utils } = require("@gandlaf21/cashu-tools")
 const rateLimit = require('express-rate-limit')
 const cors = require('cors');
+const fs = require('fs')
 
 const express = require('express')
 const app = express()
@@ -13,37 +14,55 @@ let faucet
 
 const limiter = rateLimit({
   windowMs: process.env.REQUEST_TIMEOUT_INTERVAL, // 15 seconds
-	max: process.env.REQUEST_TIMEOUT_MAX, // Limit each IP to 100 requests per `window` (here, per 15 minutes)
-	standardHeaders: true, // Return rate limit info in the `RateLimit-*` headers
-	legacyHeaders: false, // Disable the `X-RateLimit-*` headers
+  max: process.env.REQUEST_TIMEOUT_MAX, // Limit each IP to 100 requests per `window` (here, per 15 minutes)
+  standardHeaders: true, // Return rate limit info in the `RateLimit-*` headers
+  legacyHeaders: false, // Disable the `X-RateLimit-*` headers
 })
 
 app.use(limiter)
 app.use(cors());
 
 app.get('/', (req, res) => {
-    let responseString ="Token has already been claimed! waiting for next token..."
-    if(faucet.currentToken){
-         responseString = 
-        getEncodedProofs(faucet.currentToken.proofs ,faucet.currentToken.mints)
-    }
-  res.send({token: responseString})
+  let responseString = "Token has already been claimed! waiting for next token..."
+  if (faucet.currentToken) {
+    responseString =
+      getEncodedProofs(faucet.currentToken.proofs, faucet.currentToken.mints)
+  }
+  res.send({ token: responseString })
 })
 
 app.get('/balance', async (req, res) => {
-  res.send({remaining: utils.getAmountForTokenSet(faucet.balance),
-            mintCount: faucet.wallets.length})
+  res.send({
+    remaining: utils.getAmountForTokenSet(faucet.balance),
+    mintCount: faucet.wallets.length
+  })
 })
 
 app.get('/charge', async (req, res) => {
-    const token = req.query.token
-    const message  = await faucet.charge(token)
-    res.send({message})
-  })
+  const token = req.query.token
+  const message = await faucet.charge(token)
+  res.send({ message })
+})
 
 app.listen(port, async () => {
-    faucet = new AnarchoFaucet(process.env.FAUCET_INTERVAL, process.env.SATS_PER_INTERVAL)
-    await faucet.start()
-    console.log(`Example app listening on port ${port}`)
+  faucet = new AnarchoFaucet(process.env.FAUCET_INTERVAL, process.env.SATS_PER_INTERVAL)
+  await faucet.start()
+  setInterval(writeTokensToFile, 10000)
+  console.log(`Example app listening on port ${port}`)
 })
 
+
+
+function writeTokensToFile() {
+  try {
+    const data = JSON.stringify({tokens: faucet.balance, mints: faucet.wallets.map(w=> { return {mint: w.mint.mintUrl, keysets: w.keysets}})})
+    fs.writeFile('tokens.json', data, err => {
+      if (err) {
+        throw err
+      }
+      console.log('saved tokens to file.')
+    })
+  } catch (error) {
+    console.log(error)
+  }
+}