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

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

backend/api/rest/search.go

@@ -0,0 +1,53 @@
+package rest
+
+import (
+	"fmt"
+	"net/http"
+)
+
+// handleSearch handles GET /api/v1/search
+func (s *Server) handleSearch(w http.ResponseWriter, r *http.Request) {
+	if r.Method != http.MethodGet {
+		http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
+		return
+	}
+
+	query := r.URL.Query().Get("q")
+	if query == "" {
+		writeValidationError(w, fmt.Errorf("search query required"))
+		return
+	}
+
+	// Validate and determine search type
+	searchType, value, err := validateSearchQuery(query)
+	if err != nil {
+		writeValidationError(w, err)
+		return
+	}
+
+	// Route to appropriate handler based on search type
+	switch searchType {
+	case "block":
+		blockNumber, err := validateBlockNumber(value)
+		if err != nil {
+			writeValidationError(w, err)
+			return
+		}
+		s.handleGetBlockByNumber(w, r, blockNumber)
+	case "transaction":
+		if !isValidHash(value) {
+			writeValidationError(w, ErrInvalidHash)
+			return
+		}
+		s.handleGetTransactionByHash(w, r, value)
+	case "address":
+		if !isValidAddress(value) {
+			writeValidationError(w, ErrInvalidAddress)
+			return
+		}
+		r.URL.RawQuery = "address=" + value
+		s.handleGetAddress(w, r)
+	default:
+		writeValidationError(w, fmt.Errorf("unsupported search type"))
+	}
+}