Add Node Version Info RPC

gateway/emulator.go

@@ -335,6 +335,10 @@ func (g *EmulatorGateway) GetLatestProtocolStateSnapshot(ctx context.Context) ([
 	return snapshot, nil
 }
 
+func (g *EmulatorGateway) GetNodeVersionInfo(context.Context) (*flow.NodeVersionInfo, error) {
+	return &flow.NodeVersionInfo{}, nil
+}
+
 // SecureConnection placeholder func to complete gateway interface implementation
 func (g *EmulatorGateway) SecureConnection() bool {
 	return false

gateway/gateway.go

@@ -49,6 +49,7 @@ type Gateway interface {
 	GetEvents(context.Context, string, uint64, uint64) ([]flow.BlockEvents, error)
 	GetCollection(context.Context, flow.Identifier) (*flow.Collection, error)
 	GetLatestProtocolStateSnapshot(context.Context) ([]byte, error)
+	GetNodeVersionInfo(context.Context) (*flow.NodeVersionInfo, error)
 	Ping() error
 	WaitServer(context.Context) error
 	SecureConnection() bool

gateway/grpc.go

@@ -284,6 +284,11 @@ func (g *GrpcGateway) GetLatestProtocolStateSnapshot(ctx context.Context) ([]byt
 	return g.client.GetLatestProtocolStateSnapshot(ctx)
 }
 
+// GetNodeVersionInfo returns version information for the access node.
+func (g *GrpcGateway) GetNodeVersionInfo(ctx context.Context) (*flow.NodeVersionInfo, error) {
+	return g.client.GetNodeVersionInfo(ctx)
+}
+
 // Ping is used to check if the access node is alive and healthy.
 func (g *GrpcGateway) Ping() error {
 	ctx := context.Background()

gateway/mocks/gateway_mock.go

@@ -44,6 +44,7 @@ const (
 	GetSystemTransactionResultFunc       = "GetSystemTransactionResult"
 	GetSystemTransactionWithIDFunc       = "GetSystemTransactionWithID"
 	GetSystemTransactionResultWithIDFunc = "GetSystemTransactionResultWithID"
+	GetNodeVersionInfoFunc               = "GetNodeVersionInfo"
 )
 
 type TestGateway struct {
@@ -66,6 +67,7 @@ type TestGateway struct {
 	GetSystemTransactionWithID       *mock.Call
 	GetSystemTransactionResultWithID *mock.Call
 	GetLatestProtocolStateSnapshot   *mock.Call
+	GetNodeVersionInfo               *mock.Call
 	Ping                             *mock.Call
 	SecureConnection                 *mock.Call
 }
@@ -145,6 +147,7 @@ func DefaultMockGateway() *TestGateway {
 			mock.AnythingOfType("flow.Identifier"),
 			mock.AnythingOfType("flow.Identifier"),
 		),
+		GetNodeVersionInfo: m.On(GetNodeVersionInfoFunc, ctxMock),
 	}
 
 	// default return values
@@ -181,6 +184,7 @@ func DefaultMockGateway() *TestGateway {
 	t.GetSystemTransactionResult.Return(tests.NewTransactionResult(nil), nil)
 	t.GetSystemTransactionWithID.Return(tests.NewTransaction(), nil)
 	t.GetSystemTransactionResultWithID.Return(tests.NewTransactionResult(nil), nil)
+	t.GetNodeVersionInfo.Return((*flow.NodeVersionInfo)(nil), nil)
 
 	return t
 }