add: walruz fie storage

components/walrus/FileStorage.tsx

@@ -0,0 +1,125 @@
+import React, { useState, useRef } from 'react';
+import axios from 'axios';
+import { FiUploadCloud, FiDownload, FiShare2 } from 'react-icons/fi';
+
+const PUBLISHER = 'https://publisher-devnet.walrus.space';
+const AGGREGATOR = 'https://aggregator-devnet.walrus.space';
+
+interface FileInfo {
+  name: string;
+  blobId: string;
+}
+
+const FileStorage: React.FC = () => {
+  const [files, setFiles] = useState<FileInfo[]>([]);
+  const [loading, setLoading] = useState(false);
+  const [error, setError] = useState<string | null>(null);
+  const fileInputRef = useRef<HTMLInputElement>(null);
+
+  const handleFileChange = (e: React.ChangeEvent<HTMLInputElement>) => {
+    if (e.target.files) {
+      setLoading(true);
+      setError(null);
+      Array.from(e.target.files).forEach(uploadFile);
+    }
+  };
+
+  const uploadFile = async (file: File) => {
+    try {
+      const formData = new FormData();
+      formData.append('file', file);
+
+      const response = await axios.put(`${PUBLISHER}/v1/store`, formData, {
+        headers: { 'Content-Type': 'multipart/form-data' },
+      });
+
+      let blobId = '';
+      if (response.data.newlyCreated) {
+        blobId = response.data.newlyCreated.blobObject.blobId;
+      } else if (response.data.alreadyCertified) {
+        blobId = response.data.alreadyCertified.blobId;
+      }
+
+      setFiles(prev => [...prev, { name: file.name, blobId }]);
+    } catch (err) {
+      setError(`Failed to upload ${file.name}. Please try again.`);
+      console.error(err);
+    } finally {
+      setLoading(false);
+    }
+  };
+
+  const handleDownload = async (fileInfo: FileInfo) => {
+    try {
+      const response = await axios.get(`${AGGREGATOR}/v1/${fileInfo.blobId}`, {
+        responseType: 'blob',
+      });
+
+      const url = window.URL.createObjectURL(new Blob([response.data]));
+      const link = document.createElement('a');
+      link.href = url;
+      link.setAttribute('download', fileInfo.name);
+      document.body.appendChild(link);
+      link.click();
+      link.remove();
+    } catch (err) {
+      setError(`Failed to download ${fileInfo.name}. Please try again.`);
+      console.error(err);
+    }
+  };
+
+  const handleShare = (fileInfo: FileInfo) => {
+    const shareUrl = `${AGGREGATOR}/v1/${fileInfo.blobId}`;
+    navigator.clipboard.writeText(shareUrl);
+    alert(`Share link copied to clipboard: ${shareUrl}`);
+  };
+
+  return (
+    <div className="bg-[#202333] border border-[#0162FF] rounded-3xl p-6 w-full h-[400px] flex flex-col">
+      <h2 className="text-2xl font-semibold text-white mb-4">File Storage</h2>
+
+      <div 
+        className="flex-shrink-0 flex flex-col items-center justify-center border-2 border-dashed border-[#0162FF] rounded-xl p-6 mb-4 cursor-pointer"
+        onClick={() => fileInputRef.current?.click()}
+      >
+        <FiUploadCloud className="text-[#0162FF] text-6xl mb-4" />
+        <p className="text-white text-lg mb-2">Click or drag files to upload</p>
+        <p className="text-gray-400 text-sm">Supports any file type</p>
+        <input 
+          type="file" 
+          ref={fileInputRef}
+          onChange={handleFileChange} 
+          className="hidden" 
+          multiple
+        />
+      </div>
+
+      {loading && <p className="text-white mb-4">Uploading...</p>}
+
+      <div className="flex-grow overflow-hidden">
+        {files.length > 0 && (
+          <div className="bg-[#2A2D3E] rounded-xl p-4 h-full overflow-y-auto">
+            <h3 className="text-white font-semibold mb-2">Uploaded Files</h3>
+            {files.map((fileInfo, index) => (
+              <div key={index} className="flex items-center justify-between text-white py-2 border-b border-gray-700 last:border-b-0">
+                <span className="truncate flex-grow">{fileInfo.name}</span>
+                <div className="flex space-x-2">
+                  <button onClick={() => handleDownload(fileInfo)} className="p-1 hover:bg-[#0162FF] rounded">
+                    <FiDownload />
+                  </button>
+                  <button onClick={() => handleShare(fileInfo)} className="p-1 hover:bg-[#0162FF] rounded">
+                    <FiShare2 />
+                  </button>
+                </div>
+              </div>
+            ))}
+          </div>
+        )}
+      </div>
+
+      {error && <p className="text-red-500 mt-2">{error}</p>}
+    </div>
+  );
+};
+
+export default FileStorage;

pages/subscription.tsx

@@ -16,6 +16,7 @@ import Image from "next/image";
 import SingleSignerTransaction from "../components/transactionFlow/SingleSigner";
 import SaveToWalrusButton from "../components/walrus/SaveToWalrusButton";
 import DownloadFromWalrusButton from "../components/walrus/DownloadFromWalrusButton";
+import FileStorage from "../components/walrus/FileStorage";
 const REACT_APP_GATEWAY_URL = process.env.NEXT_PUBLIC_GATEWAY_URL;
 const EREBRUS_GATEWAY_URL = process.env.NEXT_PUBLIC_EREBRUS_BASE_URL;
 const mynetwork = process.env.NEXT_PUBLIC_NETWORK;
@@ -843,7 +844,8 @@ const Subscription = () => {
                   </div>
                 )}
 
-                <div className="flex gap-10 w-1/2">
+<div className="flex justify-between">
+<div className="w-1/2">
                   {nftdata && (
                     <div className="w-1/2">
                       <NftdataContainer
@@ -940,6 +942,11 @@ const Subscription = () => {
                       </div>
                     </div>
                   )}
+                   </div>
+
+                  <div className="h-auto ">
+                    <FileStorage />
+                  </div>
                 </div>
               </>
             )}