package verrpc import ( "context" "github.com/lightningnetwork/lnd/build" "google.golang.org/grpc" "gopkg.in/macaroon-bakery.v2/bakery" ) const subServerName = "VersionRPC" var macPermissions = map[string][]bakery.Op{ "/verrpc.Versioner/GetVersion": {{ Entity: "info", Action: "read", }}, } // Server is an rpc server that supports querying for information about the // running binary. type Server struct{} // Start launches any helper goroutines required for the rpcServer to function. // // NOTE: This is part of the lnrpc.SubServer interface. func (s *Server) Start() error { return nil } // Stop signals any active goroutines for a graceful closure. // // NOTE: This is part of the lnrpc.SubServer interface. func (s *Server) Stop() error { return nil } // Name returns a unique string representation of the sub-server. This can be // used to identify the sub-server and also de-duplicate them. // // NOTE: This is part of the lnrpc.SubServer interface. func (s *Server) Name() string { return subServerName } // RegisterWithRootServer will be called by the root gRPC server to direct a // sub RPC server to register itself with the main gRPC root server. Until this // is called, each sub-server won't be able to have requests routed towards it. // // NOTE: This is part of the lnrpc.SubServer interface. func (s *Server) RegisterWithRootServer(grpcServer *grpc.Server) error { RegisterVersionerServer(grpcServer, s) log.Debugf("Versioner RPC server successfully registered with root " + "gRPC server") return nil } // GetVersion returns information about the compiled binary. func (s *Server) GetVersion(_ context.Context, _ *VersionRequest) (*Version, error) { return &Version{ Commit: build.Commit, CommitHash: build.CommitHash, Version: build.Version(), AppMajor: uint32(build.AppMajor), AppMinor: uint32(build.AppMinor), AppPatch: uint32(build.AppPatch), AppPreRelease: build.AppPreRelease, BuildTags: build.Tags(), GoVersion: build.GoVersion, }, nil }