Create p2p_node.go

network/p2p/p2p_node.go

@@ -0,0 +1,53 @@
+package p2p
+
+import (
+	"context"
+	"fmt"
+	"log"
+	"net"
+
+	"github.com/KOSASIH/pi-nexus-autonomous-banking-network/network/p2p/pb"
+	"google.golang.org/grpc"
+)
+
+type P2PNode struct {
+	pb.UnimplementedP2PNodeServer
+	nodeID string
+	peers  map[string]*grpc.ClientConn
+}
+
+func (n *P2PNode) Connect(ctx context.Context, req *pb.ConnectRequest) (*pb.ConnectResponse, error) {
+	// TO DO: implement peer connection logic
+	log.Printf("Received connect request from %s", req.NodeID)
+	n.peers[req.NodeID] = req.Conn
+	return &pb.ConnectResponse{Result: "success"}, nil
+}
+
+func (n *P2PNode) Disconnect(ctx context.Context, req *pb.DisconnectRequest) (*pb.DisconnectResponse, error) {
+	// TO DO: implement peer disconnection logic
+	log.Printf("Received disconnect request from %s", req.NodeID)
+	delete(n.peers, req.NodeID)
+	return &pb.DisconnectResponse{Result: "success"}, nil
+}
+
+func (n *P2PNode) SendMessage(ctx context.Context, req *pb.SendMessageRequest) (*pb.SendMessageResponse, error) {
+	// TO DO: implement message sending logic
+	log.Printf("Received send message request from %s", req.NodeID)
+	return &pb.SendMessageResponse{Result: "success"}, nil
+}
+
+func main() {
+	lis, err := net.Listen("tcp", ":50054")
+	if err != nil {
+		log.Fatalf("failed to listen: %v", err)
+	}
+
+	srv := grpc.NewServer()
+	pb.RegisterP2PNodeServer(srv, &P2PNode{
+		nodeID: "node-1",
+		peers:  make(map[string]*grpc.ClientConn),
+	})
+
+	log.Println("P2P node listening on port 50054")
+	srv.Serve(lis)
+}