Merge pull request #59 from r3yc0n1c/main

generate payment url route

backend/package.json

@@ -15,6 +15,9 @@
     "@elysiajs/swagger": "^1.0.5",
     "@lucia-auth/adapter-prisma": "^4.0.1",
     "@prisma/client": "^5.16.1",
+    "@solana/pay": "^0.2.5",
+    "@solana/web3.js": "^1.94.0",
+    "bignumber.js": "^9.1.2",
     "elysia": "latest",
     "lucia": "^3.2.0",
     "pino-pretty": "^11.2.1",

backend/src/routes/index.ts

@@ -1,12 +1,14 @@
 import { Elysia } from "elysia";
 import authRoutes from "@/routes/auth";
 import machineRoutes from "@/routes/machine";
+import paymentRoutes from "@/routes/payment";
 
 const routes = new Elysia();
 
 routes
 	.get("/", () => "Hello from Elysia!")
 	.group("/auth", (routes) => routes.use(authRoutes))
-	.group("/machine", (routes) => routes.use(machineRoutes));
+	.group("/machine", (routes) => routes.use(machineRoutes))
+	.group("/payment", (routes)  => routes.use(paymentRoutes));
 
 export default routes;

backend/src/routes/payment/index.ts

@@ -0,0 +1,24 @@
+import { Elysia, t } from "elysia";
+import paymentController from "@/routes/payment/payment.controller";
+
+const paymentRoutes = new Elysia();
+
+paymentRoutes
+    .post("/generate", paymentController.GenerateURL, {
+        body: t.Object(
+            {
+                destinationWallet: t.String(),
+                cost: t.Number()
+            },
+            {
+                description: "Expected Destination Wallet address.",
+            },
+        ),
+        detail: {
+            summary: "Generate Payment URL",
+            tags: ["payment"],
+        },
+    })
+
+
+export default paymentRoutes;

backend/src/routes/payment/payment.controller.ts

@@ -0,0 +1,34 @@
+import { Connection, Keypair, PublicKey } from '@solana/web3.js';
+import { encodeURL } from '@solana/pay';
+import BigNumber from 'bignumber.js';
+
+
+const reference = new Keypair().publicKey;
+const label = 'Escrow Contract';
+const message = 'Funding Escrow Contract';
+const memo = 'Solana Pay Public Memo';
+
+
+const GenerateURL = async ({ body, set, log }) => {
+    try {
+        const { destinationWallet, cost } = body;
+
+        const recipient = new PublicKey(destinationWallet);
+        const amount = new BigNumber(cost);
+
+        const url: URL = encodeURL({ recipient, amount, reference, label, message, memo });
+        // console.log('Payment request link:', url);
+
+        set.status = 201;
+        return url;
+    } catch (err) {
+        log.error(err);
+        set.status = 500;
+        return { message: "Internal Server Error" };
+    }
+};
+
+
+export default {
+    GenerateURL
+};