invoices work

config/index.ts

@@ -0,0 +1,6 @@
+export const CURRENCY = "usd";
+// Set your amount limits: Use float for decimal currencies and
+// Integer for zero-decimal currencies: https://stripe.com/docs/currencies#zero-decimal.
+export const MIN_AMOUNT = 10.0;
+export const MAX_AMOUNT = 5000.0;
+export const AMOUNT_STEP = 5.0;

package.json

@@ -9,15 +9,24 @@
     "lint": "next lint"
   },
   "dependencies": {
+    "@stripe/react-stripe-js": "^1.7.0",
+    "@stripe/stripe-js": "^1.25.0",
+    "micro": "^9.3.4",
+    "micro-cors": "^0.1.1",
     "next": "12.1.0",
     "react": "17.0.2",
-    "react-dom": "17.0.2"
+    "react-dom": "17.0.2",
+    "stripe": "^8.210.0",
+    "swr": "^1.2.2"
   },
   "devDependencies": {
     "@types/node": "17.0.21",
     "@types/react": "17.0.40",
+    "autoprefixer": "^10.4.4",
     "eslint": "8.11.0",
     "eslint-config-next": "12.1.0",
+    "postcss": "^8.4.12",
+    "tailwindcss": "^3.0.23",
     "typescript": "4.6.2"
   }
 }

pages/api/btcpay.ts

@@ -0,0 +1,35 @@
+// Next.js API route support: https://nextjs.org/docs/api-routes/introduction
+import type { NextApiRequest, NextApiResponse } from "next";
+import { CURRENCY, MIN_AMOUNT, MAX_AMOUNT } from "../../config";
+import { fetchPostJSONAuthed } from "../../utils/api-helpers";
+import { formatAmountForStripe } from "../../utils/stripe-helpers";
+
+export default async function handler(
+  req: NextApiRequest,
+  res: NextApiResponse
+) {
+  if (req.method === "POST") {
+    const { amount }: { amount: number } = req.body;
+
+    try {
+      // Validate the amount that was passed from the client.
+      if (!(amount >= MIN_AMOUNT && amount <= MAX_AMOUNT)) {
+        throw new Error("Invalid amount.");
+      }
+      let data = await fetchPostJSONAuthed(
+        `${process.env
+          .BTCPAY_URL!}stores/9PMMpizLnpWtBeHV5Y9iKLj14Ei5iuVSWxYeSSntnsDU/invoices`,
+        `token ${process.env.BTCPAY_API_KEY}`,
+        // TODO validate that we aren't fucking with the amount with floating point stuff
+        { amount, currency: CURRENCY }
+      );
+
+      res.status(200).json(data);
+    } catch (err) {
+      res.status(500).json({ statusCode: 500, message: err.message });
+    }
+  } else {
+    res.setHeader("Allow", "POST");
+    res.status(405).end("Method Not Allowed");
+  }
+}

pages/api/hello.ts

@@ -1,13 +0,0 @@
-// Next.js API route support: https://nextjs.org/docs/api-routes/introduction
-import type { NextApiRequest, NextApiResponse } from 'next'
-
-type Data = {
-  name: string
-}
-
-export default function handler(
-  req: NextApiRequest,
-  res: NextApiResponse<Data>
-) {
-  res.status(200).json({ name: 'John Doe' })
-}

pages/api/stripe.ts

@@ -0,0 +1,41 @@
+import { NextApiRequest, NextApiResponse } from "next";
+
+import { CURRENCY, MIN_AMOUNT, MAX_AMOUNT } from "../../config";
+import { formatAmountForStripe } from "../../utils/stripe-helpers";
+
+import Stripe from "stripe";
+const stripe = new Stripe(process.env.STRIPE_SECRET_KEY!, {
+  // https://github.com/stripe/stripe-node#configuration
+  apiVersion: "2020-08-27",
+});
+
+export default async function handler(
+  req: NextApiRequest,
+  res: NextApiResponse
+) {
+  if (req.method === "POST") {
+    const { amount }: { amount: number } = req.body;
+    try {
+      // Validate the amount that was passed from the client.
+      if (!(amount >= MIN_AMOUNT && amount <= MAX_AMOUNT)) {
+        throw new Error("Invalid amount.");
+      }
+      // Create PaymentIntent from body params.
+      const params: Stripe.PaymentIntentCreateParams = {
+        payment_method_types: ["card"],
+        amount: formatAmountForStripe(amount, CURRENCY),
+        currency: CURRENCY,
+        description: process.env.STRIPE_PAYMENT_DESCRIPTION ?? "",
+      };
+      const payment_intent: Stripe.PaymentIntent =
+        await stripe.paymentIntents.create(params);
+
+      res.status(200).json(payment_intent);
+    } catch (err) {
+      res.status(500).json({ statusCode: 500, message: err.message });
+    }
+  } else {
+    res.setHeader("Allow", "POST");
+    res.status(405).end("Method Not Allowed");
+  }
+}

pages/api/stripe_checkout.ts

@@ -0,0 +1,49 @@
+import { NextApiRequest, NextApiResponse } from "next";
+
+import { CURRENCY, MIN_AMOUNT, MAX_AMOUNT } from "../../config";
+import { formatAmountForStripe } from "../../utils/stripe-helpers";
+
+import Stripe from "stripe";
+const stripe = new Stripe(process.env.STRIPE_SECRET_KEY!, {
+  // https://github.com/stripe/stripe-node#configuration
+  apiVersion: "2020-08-27",
+});
+
+export default async function handler(
+  req: NextApiRequest,
+  res: NextApiResponse
+) {
+  if (req.method === "POST") {
+    const amount: number = req.body.amount;
+    try {
+      // Validate the amount that was passed from the client.
+      if (!(amount >= MIN_AMOUNT && amount <= MAX_AMOUNT)) {
+        throw new Error("Invalid amount.");
+      }
+      // Create Checkout Sessions from body params.
+      const params: Stripe.Checkout.SessionCreateParams = {
+        submit_type: "donate",
+        payment_method_types: ["card"],
+        line_items: [
+          {
+            name: "Custom amount donation",
+            amount: formatAmountForStripe(amount, CURRENCY),
+            currency: CURRENCY,
+            quantity: 1,
+          },
+        ],
+        success_url: `${req.headers.origin}/?session_id={CHECKOUT_SESSION_ID}`,
+        cancel_url: `${req.headers.origin}/`,
+      };
+      const checkoutSession: Stripe.Checkout.Session =
+        await stripe.checkout.sessions.create(params);
+
+      res.status(200).json(checkoutSession);
+    } catch (err) {
+      res.status(500).json({ statusCode: 500, message: err.message });
+    }
+  } else {
+    res.setHeader("Allow", "POST");
+    res.status(405).end("Method Not Allowed");
+  }
+}

pages/checkout.tsx

@@ -0,0 +1,29 @@
+import type { NextPage } from "next";
+import Head from "next/head";
+import Image from "next/image";
+
+const Checkout: NextPage = () => {
+  async function handleClick() {
+    console.log("yo");
+  }
+  return (
+    <div>
+      <Head>
+        <title>Create Next App</title>
+        <meta name="description" content="Generated by create next app" />
+        <link rel="icon" href="/favicon.ico" />
+      </Head>
+
+      <main>
+        <h1>yooo</h1>
+        <button onClick={handleClick}>Heyo</button>
+
+        <p>testing 123</p>
+      </main>
+
+      <footer>footer</footer>
+    </div>
+  );
+};
+
+export default Checkout;

pages/index.tsx

@@ -1,72 +1,57 @@
-import type { NextPage } from 'next'
+import type { NextPage } from "next";
-import Head from 'next/head'
+import Head from "next/head";
-import Image from 'next/image'
+import Image from "next/image";
-import styles from '../styles/Home.module.css'
+import { useState } from "react";
+import useSWR from "swr";
+import { fetchPostJSON } from "../utils/api-helpers";
 
 const Home: NextPage = () => {
+  const [shouldFetch, setShouldFetch] = useState(false);
+  const [data, setData] = useState(false);
+  const [stripeUrl, setStripeUrl] = useState("");
+  const [btcpayUrl, setBtcPayUrl] = useState("");
+
+  async function handleClick() {
+    // setShouldFetch(true);
+    // const { data, error } = useSWR(shouldFetch ? "/api/invoice" : null, fetchGetJSON);
+    // const res = await fetchGetJSON("/api/invoice");
+    const amount = 100.0;
+    try {
+      const stripe = await fetchPostJSON("/api/stripe_checkout", {
+        amount,
+      });
+      const btcpay = await fetchPostJSON("/api/btcpay", {
+        amount,
+      });
+      console.debug(stripe);
+      setStripeUrl(stripe.url);
+      setBtcPayUrl(btcpay.checkoutLink);
+      console.debug(btcpay);
+    } catch (e) {
+      console.error(e);
+    }
+  }
+
   return (
-    <div className={styles.container}>
+    <div>
       <Head>
         <title>Create Next App</title>
         <meta name="description" content="Generated by create next app" />
         <link rel="icon" href="/favicon.ico" />
       </Head>
 
-      <main className={styles.main}>
+      <main>
-        <h1 className={styles.title}>
+        <h1>yooo</h1>
-          Welcome to <a href="https://nextjs.org">Next.js!</a>
+        <button onClick={handleClick}>Heyo</button>
-        </h1>
+        {data && <pre>{JSON.stringify(data, null, 2)}</pre>}
-
+        {stripeUrl && <a href={stripeUrl}>Stripe Checkout</a>}
-        <p className={styles.description}>
+        {btcpayUrl && <a href={btcpayUrl}>BTCPay Checkout</a>}
-          Get started by editing{' '}
+        <p>testing 123</p>
-          <code className={styles.code}>pages/index.tsx</code>
-        </p>
-
-        <div className={styles.grid}>
-          <a href="https://nextjs.org/docs" className={styles.card}>
-            <h2>Documentation &rarr;</h2>
-            <p>Find in-depth information about Next.js features and API.</p>
-          </a>
-
-          <a href="https://nextjs.org/learn" className={styles.card}>
-            <h2>Learn &rarr;</h2>
-            <p>Learn about Next.js in an interactive course with quizzes!</p>
-          </a>
-
-          <a
-            href="https://github.com/vercel/next.js/tree/canary/examples"
-            className={styles.card}
-          >
-            <h2>Examples &rarr;</h2>
-            <p>Discover and deploy boilerplate example Next.js projects.</p>
-          </a>
-
-          <a
-            href="https://vercel.com/new?utm_source=create-next-app&utm_medium=default-template&utm_campaign=create-next-app"
-            className={styles.card}
-          >
-            <h2>Deploy &rarr;</h2>
-            <p>
-              Instantly deploy your Next.js site to a public URL with Vercel.
-            </p>
-          </a>
-        </div>
       </main>
 
-      <footer className={styles.footer}>
+      <footer>footer</footer>
-        <a
-          href="https://vercel.com?utm_source=create-next-app&utm_medium=default-template&utm_campaign=create-next-app"
-          target="_blank"
-          rel="noopener noreferrer"
-        >
-          Powered by{' '}
-          <span className={styles.logo}>
-            <Image src="/vercel.svg" alt="Vercel Logo" width={72} height={16} />
-          </span>
-        </a>
-      </footer>
     </div>
-  )
+  );
-}
+};
 
-export default Home
+export default Home;

postcss.config.js

@@ -0,0 +1,6 @@
+module.exports = {
+  plugins: {
+    tailwindcss: {},
+    autoprefixer: {},
+  },
+}

styles/Home.module.css

@@ -1,116 +0,0 @@
-.container {
-  padding: 0 2rem;
-}
-
-.main {
-  min-height: 100vh;
-  padding: 4rem 0;
-  flex: 1;
-  display: flex;
-  flex-direction: column;
-  justify-content: center;
-  align-items: center;
-}
-
-.footer {
-  display: flex;
-  flex: 1;
-  padding: 2rem 0;
-  border-top: 1px solid #eaeaea;
-  justify-content: center;
-  align-items: center;
-}
-
-.footer a {
-  display: flex;
-  justify-content: center;
-  align-items: center;
-  flex-grow: 1;
-}
-
-.title a {
-  color: #0070f3;
-  text-decoration: none;
-}
-
-.title a:hover,
-.title a:focus,
-.title a:active {
-  text-decoration: underline;
-}
-
-.title {
-  margin: 0;
-  line-height: 1.15;
-  font-size: 4rem;
-}
-
-.title,
-.description {
-  text-align: center;
-}
-
-.description {
-  margin: 4rem 0;
-  line-height: 1.5;
-  font-size: 1.5rem;
-}
-
-.code {
-  background: #fafafa;
-  border-radius: 5px;
-  padding: 0.75rem;
-  font-size: 1.1rem;
-  font-family: Menlo, Monaco, Lucida Console, Liberation Mono, DejaVu Sans Mono,
-    Bitstream Vera Sans Mono, Courier New, monospace;
-}
-
-.grid {
-  display: flex;
-  align-items: center;
-  justify-content: center;
-  flex-wrap: wrap;
-  max-width: 800px;
-}
-
-.card {
-  margin: 1rem;
-  padding: 1.5rem;
-  text-align: left;
-  color: inherit;
-  text-decoration: none;
-  border: 1px solid #eaeaea;
-  border-radius: 10px;
-  transition: color 0.15s ease, border-color 0.15s ease;
-  max-width: 300px;
-}
-
-.card:hover,
-.card:focus,
-.card:active {
-  color: #0070f3;
-  border-color: #0070f3;
-}
-
-.card h2 {
-  margin: 0 0 1rem 0;
-  font-size: 1.5rem;
-}
-
-.card p {
-  margin: 0;
-  font-size: 1.25rem;
-  line-height: 1.5;
-}
-
-.logo {
-  height: 1em;
-  margin-left: 0.5rem;
-}
-
-@media (max-width: 600px) {
-  .grid {
-    width: 100%;
-    flex-direction: column;
-  }
-}

styles/globals.css

@@ -1,16 +1,11 @@
-html,
+@tailwind base;
-body {
+@tailwind components;
-  padding: 0;
+@tailwind utilities;
-  margin: 0;
+
-  font-family: -apple-system, BlinkMacSystemFont, Segoe UI, Roboto, Oxygen,
+h1 {
-    Ubuntu, Cantarell, Fira Sans, Droid Sans, Helvetica Neue, sans-serif;
+  @apply text-2xl;
 }
 
-a {
+button {
-  color: inherit;
+  @apply py-2 px-4 bg-black text-white rounded;
-  text-decoration: none;
-}
-
-* {
-  box-sizing: border-box;
 }

tailwind.config.js

@@ -0,0 +1,10 @@
+module.exports = {
+  content: [
+    "./pages/**/*.{js,ts,jsx,tsx}",
+    "./components/**/*.{js,ts,jsx,tsx}",
+  ],
+  theme: {
+    extend: {},
+  },
+  plugins: [],
+};

utils/api-helpers.ts

@@ -0,0 +1,67 @@
+export async function fetchGetJSON(url: string) {
+  try {
+    const data = await fetch(url).then((res) => res.json());
+    return data;
+  } catch (err) {
+    if (err instanceof Error) {
+      throw new Error(err.message);
+    }
+    throw err;
+  }
+}
+
+export async function fetchPostJSON(url: string, data?: {}) {
+  try {
+    // Default options are marked with *
+    const response = await fetch(url, {
+      method: "POST", // *GET, POST, PUT, DELETE, etc.
+      mode: "cors", // no-cors, *cors, same-origin
+      cache: "no-cache", // *default, no-cache, reload, force-cache, only-if-cached
+      credentials: "same-origin", // include, *same-origin, omit
+      headers: {
+        "Content-Type": "application/json",
+        Authorization: `token ${process.env.BTCPAY_API_KEY}`,
+        // 'Content-Type': 'application/x-www-form-urlencoded',
+      },
+      redirect: "follow", // manual, *follow, error
+      referrerPolicy: "no-referrer", // no-referrer, *client
+      body: JSON.stringify(data || {}), // body data type must match "Content-Type" header
+    });
+    return await response.json(); // parses JSON response into native JavaScript objects
+  } catch (err) {
+    if (err instanceof Error) {
+      throw new Error(err.message);
+    }
+    throw err;
+  }
+}
+
+export async function fetchPostJSONAuthed(
+  url: string,
+  auth: string,
+  data?: {}
+) {
+  try {
+    // Default options are marked with *
+    const response = await fetch(url, {
+      method: "POST", // *GET, POST, PUT, DELETE, etc.
+      mode: "cors", // no-cors, *cors, same-origin
+      cache: "no-cache", // *default, no-cache, reload, force-cache, only-if-cached
+      credentials: "same-origin", // include, *same-origin, omit
+      headers: {
+        "Content-Type": "application/json",
+        Authorization: auth,
+        // 'Content-Type': 'application/x-www-form-urlencoded',
+      },
+      redirect: "follow", // manual, *follow, error
+      referrerPolicy: "no-referrer", // no-referrer, *client
+      body: JSON.stringify(data || {}), // body data type must match "Content-Type" header
+    });
+    return await response.json(); // parses JSON response into native JavaScript objects
+  } catch (err) {
+    if (err instanceof Error) {
+      throw new Error(err.message);
+    }
+    throw err;
+  }
+}

utils/stripe-helpers.ts

@@ -0,0 +1,30 @@
+export function formatAmountForDisplay(
+  amount: number,
+  currency: string
+): string {
+  let numberFormat = new Intl.NumberFormat(["en-US"], {
+    style: "currency",
+    currency: currency,
+    currencyDisplay: "symbol",
+  });
+  return numberFormat.format(amount);
+}
+
+export function formatAmountForStripe(
+  amount: number,
+  currency: string
+): number {
+  let numberFormat = new Intl.NumberFormat(["en-US"], {
+    style: "currency",
+    currency: currency,
+    currencyDisplay: "symbol",
+  });
+  const parts = numberFormat.formatToParts(amount);
+  let zeroDecimalCurrency: boolean = true;
+  for (let part of parts) {
+    if (part.type === "decimal") {
+      zeroDecimalCurrency = false;
+    }
+  }
+  return zeroDecimalCurrency ? amount : Math.round(amount * 100);
+}