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server.go
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server.go
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package p2p
import (
"context"
"fmt"
"strings"
"github.com/SummerCash/go-summercash/config"
p2pProto "github.com/SummerCash/go-summercash/intrnl/rpc/proto/p2p"
p2pPkg "github.com/SummerCash/go-summercash/p2p"
"github.com/SummerCash/go-summercash/validator"
)
// Server - RPC server
type Server struct{}
// NumConnectedPeers - p2p.NumConnectedPeers RPC handler
func (server *Server) NumConnectedPeers(ctx context.Context, req *p2pProto.GeneralRequest) (*p2pProto.GeneralResponse, error) {
if p2pPkg.WorkingHost == nil { // Check no working host
return &p2pProto.GeneralResponse{}, p2pPkg.ErrNoWorkingHost // Return error
}
numPeers := 0 // Initialize peer num
for _, peer := range p2pPkg.WorkingHost.Network().Peers() { // Iterate through peers
if peer != p2pPkg.WorkingHost.ID() { // Check is foreign peer
numPeers++ // Increment number of peers
}
}
return &p2pProto.GeneralResponse{Message: fmt.Sprintf("\n%d", numPeers)}, nil // Return num of peers
}
// ConnectedPeers - p2p.ConnectedPeers RPC handler.
func (server *Server) ConnectedPeers(ctx context.Context, req *p2pProto.GeneralRequest) (*p2pProto.GeneralResponse, error) {
if p2pPkg.WorkingHost == nil { // Check no working host
return &p2pProto.GeneralResponse{}, p2pPkg.ErrNoWorkingHost // Return error
}
peers := []string{} // Initialize peer buffer
for _, peerInfo := range p2pPkg.WorkingHost.Network().Peers() {
if peerInfo != p2pPkg.WorkingHost.ID() { // Check is foreign peer
peers = append(peers, peerInfo.String()) // Append peer
}
}
return &p2pProto.GeneralResponse{Message: fmt.Sprintf("\n%s", strings.Join(peers, ", "))}, nil // Return peers
}
// SyncNetwork - p2p.SyncNetwork RPC handler
func (server *Server) SyncNetwork(ctx context.Context, req *p2pProto.GeneralRequest) (*p2pProto.GeneralResponse, error) {
if p2pPkg.WorkingHost == nil { // Check no working host
return &p2pProto.GeneralResponse{}, p2pPkg.ErrNoWorkingHost // Return error
}
config, err := config.ReadChainConfigFromMemory() // Read config from memory
if err != nil { // Check for errors
return &p2pProto.GeneralResponse{}, err // Return found error
}
validator := validator.Validator(validator.NewStandardValidator(config)) // Initialize validator
client := p2pPkg.NewClient(p2pPkg.WorkingHost, &validator, req.Network) // Initialize p2p client
err = client.SyncNetwork() // Sync network
if err != nil { // Check for errors
return &p2pProto.GeneralResponse{}, err // Return found error
}
return &p2pProto.GeneralResponse{Message: "\nSuccessful"}, nil // Return response
}