new example

Author: bstrdlord

examples/simple-billing/.gitignore

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+# Based on https://raw.githubusercontent.com/github/gitignore/main/Node.gitignore
+
+# Logs
+
+logs
+_.log
+npm-debug.log_
+yarn-debug.log*
+yarn-error.log*
+lerna-debug.log*
+.pnpm-debug.log*
+
+# Caches
+
+.cache
+
+# Diagnostic reports (https://nodejs.org/api/report.html)
+
+report.[0-9]_.[0-9]_.[0-9]_.[0-9]_.json
+
+# Runtime data
+
+pids
+_.pid
+_.seed
+*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+
+lib-cov
+
+# Coverage directory used by tools like istanbul
+
+coverage
+*.lcov
+
+# nyc test coverage
+
+.nyc_output
+
+# Grunt intermediate storage (https://gruntjs.com/creating-plugins#storing-task-files)
+
+.grunt
+
+# Bower dependency directory (https://bower.io/)
+
+bower_components
+
+# node-waf configuration
+
+.lock-wscript
+
+# Compiled binary addons (https://nodejs.org/api/addons.html)
+
+build/Release
+
+# Dependency directories
+
+node_modules/
+jspm_packages/
+
+# Snowpack dependency directory (https://snowpack.dev/)
+
+web_modules/
+
+# TypeScript cache
+
+*.tsbuildinfo
+
+# Optional npm cache directory
+
+.npm
+
+# Optional eslint cache
+
+.eslintcache
+
+# Optional stylelint cache
+
+.stylelintcache
+
+# Microbundle cache
+
+.rpt2_cache/
+.rts2_cache_cjs/
+.rts2_cache_es/
+.rts2_cache_umd/
+
+# Optional REPL history
+
+.node_repl_history
+
+# Output of 'npm pack'
+
+*.tgz
+
+# Yarn Integrity file
+
+.yarn-integrity
+
+# dotenv environment variable files
+
+.env
+.env.development.local
+.env.test.local
+.env.production.local
+.env.local
+
+# parcel-bundler cache (https://parceljs.org/)
+
+.parcel-cache
+
+# Next.js build output
+
+.next
+out
+
+# Nuxt.js build / generate output
+
+.nuxt
+dist
+
+# Gatsby files
+
+# Comment in the public line in if your project uses Gatsby and not Next.js
+
+# https://nextjs.org/blog/next-9-1#public-directory-support
+
+# public
+
+# vuepress build output
+
+.vuepress/dist
+
+# vuepress v2.x temp and cache directory
+
+.temp
+
+# Docusaurus cache and generated files
+
+.docusaurus
+
+# Serverless directories
+
+.serverless/
+
+# FuseBox cache
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+.fusebox/
+
+# DynamoDB Local files
+
+.dynamodb/
+
+# TernJS port file
+
+.tern-port
+
+# Stores VSCode versions used for testing VSCode extensions
+
+.vscode-test
+
+# yarn v2
+
+.yarn/cache
+.yarn/unplugged
+.yarn/build-state.yml
+.yarn/install-state.gz
+.pnp.*
+
+# IntelliJ based IDEs
+.idea
+
+# Finder (MacOS) folder config
+.DS_Store

examples/simple-billing/README.md

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+Simple billing (no error handling)
+
+
+![image](https://github.com/user-attachments/assets/85e384b6-d55e-4ab1-82d6-428a58d1dd2b)         
+
+
+![image](https://github.com/user-attachments/assets/1ac8e6de-eb37-4638-b5a5-a8b4b4ac7278)

examples/simple-billing/bun.lockb

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+{
+  "name": "simple-billing",
+  "module": "index.ts",
+  "type": "module",
+  "devDependencies": {
+    "@types/bun": "latest"
+  },
+  "peerDependencies": {
+    "typescript": "^5.0.0"
+  },
+  "dependencies": {
+    "@types/express": "^5.0.0",
+    "ejs": "^3.1.10",
+    "express": "^4.21.2"
+  }
+}

examples/simple-billing/package.json

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+* {
+    box-sizing: border-box;
+}
+
+body {
+    font-family: Arial, sans-serif;
+    margin: 0;
+    padding: 0;
+    display: flex;
+    justify-content: center;
+    align-items: center;
+    height: 100vh;
+    background-color: #121212;
+    color: #ffffff;
+}
+
+.container {
+    background: #1e1e1e;
+    padding: 20px;
+    border-radius: 8px;
+    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.5);
+    max-width: 100%;
+    width: auto;
+    text-align: center;
+    box-sizing: border-box;
+}
+
+.input-field {
+    width: 100%;
+    padding: 10px;
+    margin-bottom: 15px;
+    border: 1px solid #333;
+    border-radius: 4px;
+    background-color: #2c2c2c;
+    color: #ffffff;
+    box-sizing: border-box;
+}
+
+.container h1 {
+    font-size: 1.5em;
+    margin-bottom: 20px;
+}
+
+
+
+.container button {
+    background-color: #2a2a2b;
+    color: white;
+    border: none;
+    padding: 10px 15px;
+    border-radius: 4px;
+    cursor: pointer;
+    width: 100%;
+}
+
+.container button:hover {
+    background-color: #0056b3;
+}
+
+.message {
+    margin-top: 15px;
+    font-size: 0.9em;
+}
+
+.qr-code {
+    margin-top: 15px;
+    max-width: 100%;
+    height: auto;
+}

examples/simple-billing/public/styles.css

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+import express, { type Request, type Response } from 'express';
+import path from 'path';
+
+
+const app = express();
+const PORT = 3000;
+
+app.set('view engine', 'ejs');
+
+
+const API_URL = "http://127.0.0.1:8888/v1";
+const API_KEY = "f176ab8c801bf7576e6944fff0f24b3477087ad8f664e2a0bd811d0230d9a82a";
+const LIFETIME = 10;
+
+app.use(express.static(path.join(__dirname, '../public')));
+app.use(express.json());
+app.use(express.urlencoded({ extended: true }));
+
+
+app.get("/", async (req: Request, res: Response) => {
+  res.render('index');
+});
+
+
+app.post("/create", async (req: Request, res: Response) => {
+  console.log(req.body);
+
+  const body = {
+    amount: Number(req.body.amount),
+    lifetime: LIFETIME,
+    api_key: API_KEY,
+    cryptocurrency: req.body.cryptocurrency,
+  };
+
+  try {
+    const response = await fetch(API_URL + '/invoice/create', {
+      method: 'POST',
+      headers: {
+        'Content-Type': 'application/json',
+      },
+      body: JSON.stringify(body),
+    });
+
+
+    if (!response.ok) {
+      throw response.statusText;
+    }
+
+    const json = await response.json() as any;
+
+    const qrCode = await fetch(json.invoice.wallet.qr_code).then(res => res.arrayBuffer());
+
+    const encode = (str: any): string => Buffer.from(str, 'binary').toString('base64');
+    const qrCodeData = `data:image/png;base64,${encode(qrCode)}`;
+
+    res.render('check', {
+      invoice_id: json.invoice.id,
+      amount: json.invoice.wallet.amount_to_pay,
+      cryptocurrency: json.invoice.wallet.cryptocurrency,
+      address: json.invoice.wallet.address,
+      qr_code: qrCodeData
+    });
+
+  } catch (error) {
+    console.log(error);
+    return;
+  }
+});
+
+
+
+app.post("/check", async (req: Request, res: Response) => {
+  const body = {
+    invoice_id: req.body.invoice_id,
+    api_key: API_KEY,
+  };
+
+
+  try {
+    const response = await fetch(API_URL + '/invoice/info', {
+      method: 'POST',
+      headers: {
+        'Content-Type': 'application/json',
+      },
+      body: JSON.stringify(body),
+    });
+
+
+    if (!response.ok) {
+      throw response.statusText;
+    }
+
+    const json = await response.json() as any;
+
+    res.json(json);
+  } catch (error) {
+    console.log(error);
+    return;
+  }
+});
+
+
+app.listen(PORT, () => {
+  console.log(`Started http://localhost:${PORT}`);
+});