Changes in faucet for shopify app (#4)

Part of [Service provider auctions for web deployments](https://www.notion.so/Service-provider-auctions-for-web-deployments-104a6b22d47280dbad51d28aa3a91d75)

Co-authored-by: Shreerang Kale <shreerangkale@gmail.com>
Reviewed-on: cerc-io/laconic-faucet#4

Dockerfile

@@ -2,6 +2,8 @@ FROM node:20-bullseye
 
 WORKDIR /app
 
+RUN apt-get update && apt-get install -y netcat
+
 # Copy the application code
 COPY . .
 

environments/local.toml

@@ -1,13 +1,14 @@
 [upstream]
   rpcEndpoint = "http://localhost:26657"
   chainId = "laconic_9000-1"
-  denom = "photon"
+  denom = "alnt"
   prefix = "laconic"
-  gasPrice = "0.01"
+  gasPrice = "1"
   faucetKey = ""
 
 [server]
   port = 3000
-  transferAmount = 1000000
-  periodTransferLimit = 3000000
+  enableRateLimit=false
+  transferAmount = 10000000000 # 1 * 10^10 alnt
+  periodTransferLimit = 30000000000 # 3 * 10^10 alnt
   dbDir = "db"

src/index.ts

@@ -25,6 +25,7 @@ interface Config {
   },
   server: {
     port: number
+    enableRateLimit: boolean
     transferAmount: string
     periodTransferLimit: string
     dbDir: string
@@ -44,7 +45,7 @@ async function main (): Promise<void> {
   app.use(cors());
 
   app.post('/faucet', async (req, res) => {
-    const { address: accountAddress } = req.body;
+    const { address: accountAddress, amount } = req.body;
 
     if (!accountAddress) {
       return res.status(400).json({ error: 'address is required' });
@@ -54,22 +55,24 @@ async function main (): Promise<void> {
       return res.status(400).json({ error: 'invalid address' });
     }
 
-    // Check rate limit
     const now = Date.now();
     const today = new Date(now).toISOString().split('T')[0];
     const faucetStoreKey = `${accountAddress}:${today}`;
     const amountSentToAddress = await faucetDataStore.get(faucetStoreKey) || '0';
 
-    if (BigInt(amountSentToAddress) + BigInt(config.server.transferAmount) > BigInt(config.server.periodTransferLimit)) {
-      return res.status(429).json({ error: 'Limit exceeded' });
+    if (config.server.enableRateLimit) {
+      // Check rate limit
+      if (BigInt(amountSentToAddress) + BigInt(amount) > BigInt(config.server.periodTransferLimit)) {
+        return res.status(429).json({ error: 'Limit exceeded' });
+      }
     }
 
     try {
-      const txHash = await sendTokens(config, accountAddress, String(config.server.transferAmount));
+      const txHash = await sendTokens(config, accountAddress, String(amount));
       console.log(`Sent tokens to address: ${accountAddress}, txHash: ${txHash}`);
 
       // Update rate limit
-      await faucetDataStore.set(faucetStoreKey, (BigInt(amountSentToAddress) + BigInt(config.server.transferAmount)).toString(), FAUCET_DATA_TTL);
+      config.server.enableRateLimit && await faucetDataStore.set(faucetStoreKey, (BigInt(amountSentToAddress) + BigInt(amount)).toString(), FAUCET_DATA_TTL);
 
       res.json({ success: true, txHash });
     } catch (error) {