Add full monorepo: virtual-banker, backend, frontend, docs, scripts, deployment

Co-authored-by: Cursor <cursoragent@cursor.com>

backend/api/rest/stats.go

@@ -0,0 +1,59 @@
+package rest
+
+import (
+	"context"
+	"encoding/json"
+	"net/http"
+	"time"
+)
+
+// handleStats handles GET /api/v2/stats
+func (s *Server) handleStats(w http.ResponseWriter, r *http.Request) {
+	if r.Method != http.MethodGet {
+		http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
+		return
+	}
+
+	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+	defer cancel()
+
+	// Get total blocks
+	var totalBlocks int64
+	err := s.db.QueryRow(ctx,
+		`SELECT COUNT(*) FROM blocks WHERE chain_id = $1`,
+		s.chainID,
+	).Scan(&totalBlocks)
+	if err != nil {
+		totalBlocks = 0
+	}
+
+	// Get total transactions
+	var totalTransactions int64
+	err = s.db.QueryRow(ctx,
+		`SELECT COUNT(*) FROM transactions WHERE chain_id = $1`,
+		s.chainID,
+	).Scan(&totalTransactions)
+	if err != nil {
+		totalTransactions = 0
+	}
+
+	// Get total addresses
+	var totalAddresses int64
+	err = s.db.QueryRow(ctx,
+		`SELECT COUNT(DISTINCT from_address) + COUNT(DISTINCT to_address) FROM transactions WHERE chain_id = $1`,
+		s.chainID,
+	).Scan(&totalAddresses)
+	if err != nil {
+		totalAddresses = 0
+	}
+
+	stats := map[string]interface{}{
+		"total_blocks":       totalBlocks,
+		"total_transactions": totalTransactions,
+		"total_addresses":    totalAddresses,
+	}
+
+	w.Header().Set("Content-Type", "application/json")
+	json.NewEncoder(w).Encode(stats)
+}
+