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appsender_server.go
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/
appsender_server.go
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// Copyright (C) 2019-2023, Ava Labs, Inc. All rights reserved.
// See the file LICENSE for licensing terms.
package appsender
import (
"context"
"google.golang.org/protobuf/types/known/emptypb"
"github.com/MetalBlockchain/metalgo/ids"
"github.com/MetalBlockchain/metalgo/snow/engine/common"
"github.com/MetalBlockchain/metalgo/utils/set"
appsenderpb "github.com/MetalBlockchain/metalgo/proto/pb/appsender"
)
var _ appsenderpb.AppSenderServer = (*Server)(nil)
type Server struct {
appsenderpb.UnsafeAppSenderServer
appSender common.AppSender
}
// NewServer returns a messenger connected to a remote channel
func NewServer(appSender common.AppSender) *Server {
return &Server{appSender: appSender}
}
func (s *Server) SendCrossChainAppRequest(ctx context.Context, msg *appsenderpb.SendCrossChainAppRequestMsg) (*emptypb.Empty, error) {
chainID, err := ids.ToID(msg.ChainId)
if err != nil {
return &emptypb.Empty{}, err
}
return &emptypb.Empty{}, s.appSender.SendCrossChainAppRequest(ctx, chainID, msg.RequestId, msg.Request)
}
func (s *Server) SendCrossChainAppResponse(ctx context.Context, msg *appsenderpb.SendCrossChainAppResponseMsg) (*emptypb.Empty, error) {
chainID, err := ids.ToID(msg.ChainId)
if err != nil {
return &emptypb.Empty{}, err
}
return &emptypb.Empty{}, s.appSender.SendCrossChainAppResponse(ctx, chainID, msg.RequestId, msg.Response)
}
func (s *Server) SendAppRequest(ctx context.Context, req *appsenderpb.SendAppRequestMsg) (*emptypb.Empty, error) {
nodeIDs := set.NewSet[ids.NodeID](len(req.NodeIds))
for _, nodeIDBytes := range req.NodeIds {
nodeID, err := ids.ToNodeID(nodeIDBytes)
if err != nil {
return nil, err
}
nodeIDs.Add(nodeID)
}
err := s.appSender.SendAppRequest(ctx, nodeIDs, req.RequestId, req.Request)
return &emptypb.Empty{}, err
}
func (s *Server) SendAppResponse(ctx context.Context, req *appsenderpb.SendAppResponseMsg) (*emptypb.Empty, error) {
nodeID, err := ids.ToNodeID(req.NodeId)
if err != nil {
return nil, err
}
err = s.appSender.SendAppResponse(ctx, nodeID, req.RequestId, req.Response)
return &emptypb.Empty{}, err
}
func (s *Server) SendAppGossip(ctx context.Context, req *appsenderpb.SendAppGossipMsg) (*emptypb.Empty, error) {
err := s.appSender.SendAppGossip(ctx, req.Msg)
return &emptypb.Empty{}, err
}
func (s *Server) SendAppGossipSpecific(ctx context.Context, req *appsenderpb.SendAppGossipSpecificMsg) (*emptypb.Empty, error) {
nodeIDs := set.NewSet[ids.NodeID](len(req.NodeIds))
for _, nodeIDBytes := range req.NodeIds {
nodeID, err := ids.ToNodeID(nodeIDBytes)
if err != nil {
return nil, err
}
nodeIDs.Add(nodeID)
}
err := s.appSender.SendAppGossipSpecific(ctx, nodeIDs, req.Msg)
return &emptypb.Empty{}, err
}