Initial commit with 🏗️ Scaffold-ETH 2 @ 1.0.5

packages/nextjs/utils/tokenization/ipfs.ts

@@ -0,0 +1,35 @@
+import { create } from "kubo-rpc-client";
+
+const PROJECT_ID = "2GajDLTC6y04qsYsoDRq9nGmWwK";
+const PROJECT_SECRET = "48c62c6b3f82d2ecfa2cbe4c90f97037";
+const PROJECT_ID_SECRECT = `${PROJECT_ID}:${PROJECT_SECRET}`;
+
+export const ipfsClient = create({
+  host: "ipfs.infura.io",
+  port: 5001,
+  protocol: "https",
+  headers: {
+    Authorization: `Basic ${Buffer.from(PROJECT_ID_SECRECT).toString("base64")}`,
+  },
+});
+
+export async function getNFTMetadataFromIPFS(ipfsHash: string) {
+  for await (const file of ipfsClient.get(ipfsHash)) {
+    // The file is of type unit8array so we need to convert it to string
+    const content = new TextDecoder().decode(file);
+    // Remove any leading/trailing whitespace
+    const trimmedContent = content.trim();
+    // Find the start and end index of the JSON object
+    const startIndex = trimmedContent.indexOf("{");
+    const endIndex = trimmedContent.lastIndexOf("}") + 1;
+    // Extract the JSON object string
+    const jsonObjectString = trimmedContent.slice(startIndex, endIndex);
+    try {
+      const jsonObject = JSON.parse(jsonObjectString);
+      return jsonObject;
+    } catch (error) {
+      console.log("Error parsing JSON:", error);
+      return undefined;
+    }
+  }
+}