Add social media sharing for tips

frontend/src/components/ShareTip.jsx

@@ -0,0 +1,110 @@
+import { useState } from 'react';
+
+const PLATFORM_URL = 'https://tipstream.app';
+
+function buildShareText(tip) {
+    const amt = tip.amount ? `${tip.amount} STX` : 'a tip';
+    if (tip.type === 'sent') {
+        return `I just sent ${amt} on TipStream! Support creators on the Stacks blockchain.`;
+    }
+    return `I just received ${amt} on TipStream! Join the Stacks tipping community.`;
+}
+
+function twitterUrl(text) {
+    const params = new URLSearchParams({
+        text,
+        url: PLATFORM_URL,
+        hashtags: 'TipStream,Stacks,STX',
+    });
+    return `https://twitter.com/intent/tweet?${params.toString()}`;
+}
+
+function linkedinUrl(text) {
+    const params = new URLSearchParams({
+        mini: 'true',
+        url: PLATFORM_URL,
+        title: 'TipStream',
+        summary: text,
+    });
+    return `https://www.linkedin.com/shareArticle?${params.toString()}`;
+}
+
+function facebookUrl() {
+    const params = new URLSearchParams({
+        u: PLATFORM_URL,
+    });
+    return `https://www.facebook.com/sharer/sharer.php?${params.toString()}`;
+}
+
+export default function ShareTip({ tip }) {
+    const [copied, setCopied] = useState(false);
+
+    if (!tip) return null;
+
+    const text = buildShareText(tip);
+
+    const handleCopyLink = async () => {
+        try {
+            await navigator.clipboard.writeText(`${text}\n${PLATFORM_URL}`);
+            setCopied(true);
+            setTimeout(() => setCopied(false), 2000);
+        } catch {
+            // Fallback for older browsers
+        }
+    };
+
+    const openShare = (url) => {
+        window.open(url, '_blank', 'noopener,noreferrer,width=600,height=400');
+    };
+
+    return (
+        <div className="flex items-center gap-2">
+            <button
+                onClick={() => openShare(twitterUrl(text))}
+                className="p-2 rounded-lg hover:bg-gray-100 transition-colors"
+                title="Share on X"
+                aria-label="Share on X"
+            >
+                <svg className="w-4 h-4" viewBox="0 0 24 24" fill="currentColor">
+                    <path d="M18.244 2.25h3.308l-7.227 8.26 8.502 11.24H16.17l-5.214-6.817L4.99 21.75H1.68l7.73-8.835L1.254 2.25H8.08l4.713 6.231zm-1.161 17.52h1.833L7.084 4.126H5.117z" />
+                </svg>
+            </button>
+            <button
+                onClick={() => openShare(linkedinUrl(text))}
+                className="p-2 rounded-lg hover:bg-gray-100 transition-colors"
+                title="Share on LinkedIn"
+                aria-label="Share on LinkedIn"
+            >
+                <svg className="w-4 h-4" viewBox="0 0 24 24" fill="currentColor">
+                    <path d="M20.447 20.452h-3.554v-5.569c0-1.328-.027-3.037-1.852-3.037-1.853 0-2.136 1.445-2.136 2.939v5.667H9.351V9h3.414v1.561h.046c.477-.9 1.637-1.85 3.37-1.85 3.601 0 4.267 2.37 4.267 5.455v6.286zM5.337 7.433a2.062 2.062 0 01-2.063-2.065 2.064 2.064 0 112.063 2.065zm1.782 13.019H3.555V9h3.564v11.452zM22.225 0H1.771C.792 0 0 .774 0 1.729v20.542C0 23.227.792 24 1.771 24h20.451C23.2 24 24 23.227 24 22.271V1.729C24 .774 23.2 0 22.222 0h.003z" />
+                </svg>
+            </button>
+            <button
+                onClick={() => openShare(facebookUrl())}
+                className="p-2 rounded-lg hover:bg-gray-100 transition-colors"
+                title="Share on Facebook"
+                aria-label="Share on Facebook"
+            >
+                <svg className="w-4 h-4" viewBox="0 0 24 24" fill="currentColor">
+                    <path d="M24 12.073c0-6.627-5.373-12-12-12s-12 5.373-12 12c0 5.99 4.388 10.954 10.125 11.854v-8.385H7.078v-3.47h3.047V9.43c0-3.007 1.792-4.669 4.533-4.669 1.312 0 2.686.235 2.686.235v2.953H15.83c-1.491 0-1.956.925-1.956 1.874v2.25h3.328l-.532 3.47h-2.796v8.385C19.612 23.027 24 18.062 24 12.073z" />
+                </svg>
+            </button>
+            <button
+                onClick={handleCopyLink}
+                className="p-2 rounded-lg hover:bg-gray-100 transition-colors"
+                title="Copy share text"
+                aria-label="Copy share text"
+            >
+                {copied ? (
+                    <svg className="w-4 h-4 text-green-600" fill="none" viewBox="0 0 24 24" stroke="currentColor" strokeWidth={2}>
+                        <path strokeLinecap="round" strokeLinejoin="round" d="M5 13l4 4L19 7" />
+                    </svg>
+                ) : (
+                    <svg className="w-4 h-4" fill="none" viewBox="0 0 24 24" stroke="currentColor" strokeWidth={2}>
+                        <path strokeLinecap="round" strokeLinejoin="round" d="M8 16H6a2 2 0 01-2-2V6a2 2 0 012-2h8a2 2 0 012 2v2m-6 12h8a2 2 0 002-2v-8a2 2 0 00-2-2h-8a2 2 0 00-2 2v8a2 2 0 002 2z" />
+                    </svg>
+                )}
+            </button>
+        </div>
+    );
+}

frontend/src/components/TipHistory.jsx

@@ -5,6 +5,7 @@ import { CONTRACT_ADDRESS, CONTRACT_NAME } from '../config/contracts';
 import { formatSTX } from '../lib/utils';
 import { useTipContext } from '../context/TipContext';
 import CopyButton from './ui/copy-button';
+import ShareTip from './ShareTip';
 
 const API_BASE = 'https://api.hiro.so';
 
@@ -217,6 +218,7 @@ export default function TipHistory({ userAddress }) {
                                 <p className={`font-black ${tip.direction === 'sent' ? 'text-red-600' : 'text-green-600'}`}>
                                     {tip.direction === 'sent' ? '-' : '+'}{formatSTX(tip.amount, 2)} STX
                                 </p>
+                                <ShareTip tip={{ type: tip.direction, amount: formatSTX(tip.amount, 6) }} />
                             </div>
                         ))}
                     </div>