feat: Speed up covanent using bulk

server.py

@@ -198,11 +198,18 @@ def namehash_api(namehash):
 
 @app.route("/api/v1/status")
 def api_status():
+    # Count number of names in database
+    db = get_db()
+    cur = db.execute("SELECT COUNT(*) as count FROM names")
+    row = cur.fetchone()
+    name_count = row["count"] if row else 0
+
     return jsonify(
         {
             "status": "ok",
             "service": "FireExplorer",
             "version": "1.0.0",
+            "names_cached": name_count,
         }
     )
 
@@ -242,6 +249,72 @@ def hip02(domain: str):
 @app.route("/api/v1/covenant", methods=["POST"])
 def covenant_api():
     data = request.get_json()
+
+    if isinstance(data, list):
+        covenants = data
+        results = []
+
+        # Collect all namehashes needed
+        namehashes = set()
+        for cov in covenants:
+            items = cov.get("items", [])
+            if items:
+                namehashes.add(items[0])
+
+        # Batch DB lookup
+        db = get_db()
+        known_names = {}
+        if namehashes:
+            placeholders = ",".join("?" for _ in namehashes)
+            cur = db.execute(
+                f"SELECT namehash, name FROM names WHERE namehash IN ({placeholders})",
+                list(namehashes),
+            )
+            for row in cur:
+                known_names[row["namehash"]] = row["name"]
+
+        # Identify missing namehashes
+        missing_hashes = [nh for nh in namehashes if nh not in known_names]
+
+        # Fetch missing from HSD
+        session = requests.Session()
+        for nh in missing_hashes:
+            try:
+                req = session.get(f"https://hsd.hns.au/api/v1/namehash/{nh}")
+                if req.status_code == 200:
+                    name = req.json().get("result")
+                    if name:
+                        known_names[nh] = name
+                        # Update DB
+                        db.execute(
+                            "INSERT OR REPLACE INTO names (namehash, name) VALUES (?, ?)",
+                            (nh, name),
+                        )
+            except Exception as e:
+                print(f"Error fetching namehash {nh}: {e}")
+
+        db.commit()
+
+        # Build results
+        for cov in covenants:
+            action = cov.get("action")
+            items = cov.get("items", [])
+
+            if not action:
+                results.append({"covenant": cov, "display": "Unknown"})
+                continue
+
+            display = f"{action}"
+            if items:
+                nh = items[0]
+                if nh in known_names:
+                    name = known_names[nh]
+                    display += f' <a href="/name/{name}">{name}</a>'
+
+            results.append({"covenant": cov, "display": display})
+
+        return jsonify(results)
+
     # Get the covenant data
     action = data.get("action")
     items = data.get("items", [])

templates/index.html

@@ -944,7 +944,8 @@
         // Update covenant information from API
         async function updateCovenants() {
             const elements = document.querySelectorAll('[data-covenant-action]');
-            const cache = {};
+            const covenantsToFetch = [];
+            const elementMap = new Map(); // Map JSON string -> Array of elements
 
             for (const el of elements) {
                 const action = el.dataset.covenantAction;
@@ -965,39 +966,46 @@
 
                 if (!covenantData) continue;
 
-                // Create a cache key based on the full covenant data
-                const cacheKey = JSON.stringify(covenantData);
+                const key = JSON.stringify(covenantData);
+                if (!elementMap.has(key)) {
+                    elementMap.set(key, []);
+                    covenantsToFetch.push(covenantData);
+                }
+                elementMap.get(key).push(el);
+            }
 
-                let display = action;
-                if (cache[cacheKey]) {
-                    display = cache[cacheKey];
-                } else {
-                    try {
-                        const res = await fetch(`/api/v1/covenant`, {
-                            method: 'POST',
-                            headers: {
-                                'Content-Type': 'application/json'
-                            },
-                            body: JSON.stringify(covenantData)
-                        });
+            if (covenantsToFetch.length === 0) return;
 
-                        if (res.ok) {
-                            const data = await res.json();
-                            display = data.display || action;
-                            cache[cacheKey] = display;
+            try {
+                const res = await fetch(`/api/v1/covenant`, {
+                    method: 'POST',
+                    headers: {
+                        'Content-Type': 'application/json'
+                    },
+                    body: JSON.stringify(covenantsToFetch)
+                });
+
+                if (res.ok) {
+                    const results = await res.json();
+
+                    for (const result of results) {
+                        const key = JSON.stringify(result.covenant);
+                        const els = elementMap.get(key);
+
+                        if (els) {
+                            for (const el of els) {
+                                if (el.classList.contains('tx-covenant')) {
+                                    el.innerHTML = `Covenant: ${result.display}`;
+                                } else {
+                                    el.innerHTML = result.display;
+                                }
+                                el.dataset.covenantUpdated = "true";
+                            }
                         }
-                    } catch (e) {
-                        console.error('Failed to fetch covenant info:', e);
                     }
                 }
-                
-                // Check if it's the .tx-covenant div which includes "Covenant: " text
-                if (el.classList.contains('tx-covenant')) {
-                    el.innerHTML = `Covenant: ${display}`;
-                } else {
-                    el.textContent = display;
-                }
-                el.dataset.covenantUpdated = "true";
+            } catch (e) {
+                console.error('Failed to fetch covenant info:', e);
             }
         }