feat: support custom r/w gRPC options (#1017)

* feat: support custom r/w gRPC options (backport cosmos/cosmos-sdk#11889) * chore: add simple unittest for app config * chore: update changelog (cherry picked from commit 13ae1f6)
Finschia · zemyblue · May 30, 2023 · May 27, 2023 · May 27, 2023 · May 27, 2023
commit 00edb21296bc179d3f9f521b1cc7f522629e5a33
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -38,6 +38,7 @@ Ref: https://keepachangelog.com/en/1.0.0/
 ## [Unreleased](https://github.com/Finschia/finschia-sdk/compare/v0.47.0...HEAD)
 
 ### Features
+* (server/grpc) [\#1017](https://github.com/Finschia/finschia-sdk/pull/1017) support custom r/w gRPC options (backport cosmos/cosmos-sdk#11889)
 
 ### Improvements
 

diff --git a/server/config/config.go b/server/config/config.go
@@ -2,6 +2,7 @@ package config
 
 import (
 	"fmt"
+	"math"
 	"strings"
 
 	"github.com/spf13/viper"
@@ -26,6 +27,14 @@ const (
 
 	// DefaultChanCheckTxSize defines the default size of channel check tx in Baseapp
 	DefaultChanCheckTxSize = 10000
+
+	// DefaultGRPCMaxRecvMsgSize defines the default gRPC max message size in
+	// bytes the server can receive.
+	DefaultGRPCMaxRecvMsgSize = 1024 * 1024 * 10
+
+	// DefaultGRPCMaxSendMsgSize defines the default gRPC max message size in
+	// bytes the server can send.
+	DefaultGRPCMaxSendMsgSize = math.MaxInt32
 )
 
 // BaseConfig defines the server's basic configuration
@@ -157,6 +166,14 @@ type GRPCConfig struct {
 
 	// Address defines the API server to listen on
 	Address string `mapstructure:"address"`
+
+	// MaxRecvMsgSize defines the max message size in bytes the server can receive.
+	// The default value is 10MB.
+	MaxRecvMsgSize int `mapstructure:"max-recv-msg-size"`
+
+	// MaxSendMsgSize defines the max message size in bytes the server can send.
+	// The default value is math.MaxInt32.
+	MaxSendMsgSize int `mapstructure:"max-send-msg-size"`
 }
 
 // GRPCWebConfig defines configuration for the gRPC-web server.
@@ -254,8 +271,10 @@ func DefaultConfig() *Config {
 			RPCMaxBodyBytes:    1000000,
 		},
 		GRPC: GRPCConfig{
-			Enable:  true,
-			Address: DefaultGRPCAddress,
+			Enable:         true,
+			Address:        DefaultGRPCAddress,
+			MaxRecvMsgSize: DefaultGRPCMaxRecvMsgSize,
+			MaxSendMsgSize: DefaultGRPCMaxSendMsgSize,
 		},
 		Rosetta: RosettaConfig{
 			Enable:     false,
@@ -339,8 +358,10 @@ func GetConfig(v *viper.Viper) (Config, error) {
 			Offline:    v.GetBool("rosetta.offline"),
 		},
 		GRPC: GRPCConfig{
-			Enable:  v.GetBool("grpc.enable"),
-			Address: v.GetString("grpc.address"),
+			Enable:         v.GetBool("grpc.enable"),
+			Address:        v.GetString("grpc.address"),
+			MaxRecvMsgSize: v.GetInt("grpc.max-recv-msg-size"),
+			MaxSendMsgSize: v.GetInt("grpc.max-send-msg-size"),
 		},
 		GRPCWeb: GRPCWebConfig{
 			Enable:           v.GetBool("grpc-web.enable"),

diff --git a/server/config/config_test.go b/server/config/config_test.go
@@ -31,3 +31,9 @@ func TestValidateBasic(t *testing.T) {
 	err = cfg.ValidateBasic()
 	require.Error(t, err)
 }
+
+func TestSetGRPCMsgSize(t *testing.T) {
+	cfg := DefaultConfig()
+	require.Equal(t, DefaultGRPCMaxRecvMsgSize, cfg.GRPC.MaxRecvMsgSize)
+	require.Equal(t, DefaultGRPCMaxSendMsgSize, cfg.GRPC.MaxSendMsgSize)
+}
diff --git a/server/config/toml.go b/server/config/toml.go
@@ -194,6 +194,14 @@ enable = {{ .GRPC.Enable }}
 # Address defines the gRPC server address to bind to.
 address = "{{ .GRPC.Address }}"
 
+# MaxRecvMsgSize defines the max message size in bytes the server can receive.
+# The default value is 10MB.
+max-recv-msg-size = "{{ .GRPC.MaxRecvMsgSize }}"
+
+# MaxSendMsgSize defines the max message size in bytes the server can send.
+# The default value is math.MaxInt32.
+max-send-msg-size = "{{ .GRPC.MaxSendMsgSize }}"
+
 ###############################################################################
 ###                        gRPC Web Configuration                           ###
 ###############################################################################

diff --git a/server/grpc/server.go b/server/grpc/server.go
@@ -8,18 +8,34 @@ import (
 	"google.golang.org/grpc"
 
 	"github.com/Finschia/finschia-sdk/client"
+	"github.com/Finschia/finschia-sdk/server/config"
 	"github.com/Finschia/finschia-sdk/server/grpc/gogoreflection"
 	reflection "github.com/Finschia/finschia-sdk/server/grpc/reflection/v2"
 	"github.com/Finschia/finschia-sdk/server/types"
 	sdk "github.com/Finschia/finschia-sdk/types"
 )
 
 // StartGRPCServer starts a gRPC server on the given address.
-func StartGRPCServer(clientCtx client.Context, app types.Application, address string) (*grpc.Server, error) {
-	grpcSrv := grpc.NewServer()
+func StartGRPCServer(clientCtx client.Context, app types.Application, cfg config.GRPCConfig) (*grpc.Server, error) {
+	maxSendMsgSize := cfg.MaxSendMsgSize
+	if maxSendMsgSize == 0 {
+		maxSendMsgSize = config.DefaultGRPCMaxSendMsgSize
+	}
+
+	maxRecvMsgSize := cfg.MaxRecvMsgSize
+	if maxRecvMsgSize == 0 {
+		maxRecvMsgSize = config.DefaultGRPCMaxRecvMsgSize
+	}
+
+	grpcSrv := grpc.NewServer(
+		grpc.MaxSendMsgSize(maxSendMsgSize),
+		grpc.MaxRecvMsgSize(maxRecvMsgSize),
+	)
 	app.RegisterGRPCServer(grpcSrv)
-	// reflection allows consumers to build dynamic clients that can write
-	// to any cosmos-sdk application without relying on application packages at compile time
+
+	// Reflection allows consumers to build dynamic clients that can write to any
+	// Cosmos SDK application without relying on application packages at compile
+	// time.
 	err := reflection.Register(grpcSrv, reflection.Config{
 		SigningModes: func() map[string]int32 {
 			modes := make(map[string]int32, len(clientCtx.TxConfig.SignModeHandler().Modes()))
@@ -38,7 +54,8 @@ func StartGRPCServer(clientCtx client.Context, app types.Application, address st
 	// Reflection allows external clients to see what services and methods
 	// the gRPC server exposes.
 	gogoreflection.Register(grpcSrv)
-	listener, err := net.Listen("tcp", address)
+
+	listener, err := net.Listen("tcp", cfg.Address)
 	if err != nil {
 		return nil, err
 	}
@@ -54,7 +71,8 @@ func StartGRPCServer(clientCtx client.Context, app types.Application, address st
 	select {
 	case err := <-errCh:
 		return nil, err
-	case <-time.After(types.ServerStartTime): // assume server started successfully
+	case <-time.After(types.ServerStartTime):
+		// assume server started successfully
 		return grpcSrv, nil
 	}
 }
diff --git a/server/start.go b/server/start.go
@@ -25,7 +25,7 @@ import (
 	"github.com/Finschia/finschia-sdk/client/flags"
 	"github.com/Finschia/finschia-sdk/codec"
 	"github.com/Finschia/finschia-sdk/server/api"
-	"github.com/Finschia/finschia-sdk/server/config"
+	serverconfig "github.com/Finschia/finschia-sdk/server/config"
 	servergrpc "github.com/Finschia/finschia-sdk/server/grpc"
 	"github.com/Finschia/finschia-sdk/server/rosetta"
 	crgserver "github.com/Finschia/finschia-sdk/server/rosetta/lib/server"
@@ -170,10 +170,10 @@ is performed. Note, when enabled, gRPC will also be automatically enabled.
 
 	cmd.Flags().Bool(flagGRPCOnly, false, "Start the node in gRPC query only mode (no Tendermint process is started)")
 	cmd.Flags().Bool(flagGRPCEnable, true, "Define if the gRPC server should be enabled")
-	cmd.Flags().String(flagGRPCAddress, config.DefaultGRPCAddress, "the gRPC server address to listen on")
+	cmd.Flags().String(flagGRPCAddress, serverconfig.DefaultGRPCAddress, "the gRPC server address to listen on")
 
 	cmd.Flags().Bool(flagGRPCWebEnable, true, "Define if the gRPC-Web server should be enabled. (Note: gRPC must also be enabled.)")
-	cmd.Flags().String(flagGRPCWebAddress, config.DefaultGRPCWebAddress, "The gRPC-Web server address to listen on")
+	cmd.Flags().String(flagGRPCWebAddress, serverconfig.DefaultGRPCWebAddress, "The gRPC-Web server address to listen on")
 
 	cmd.Flags().Uint64(FlagStateSyncSnapshotInterval, 0, "State sync snapshot interval")
 	cmd.Flags().Uint32(FlagStateSyncSnapshotKeepRecent, 2, "State sync snapshot to keep")
@@ -182,7 +182,7 @@ is performed. Note, when enabled, gRPC will also be automatically enabled.
 
 	cmd.Flags().Bool(FlagPrometheus, false, "Enable prometheus metric for app")
 
-	cmd.Flags().Uint(FlagChanCheckTxSize, config.DefaultChanCheckTxSize, "The size of the channel check tx")
+	cmd.Flags().Uint(FlagChanCheckTxSize, serverconfig.DefaultChanCheckTxSize, "The size of the channel check tx")
 
 	// add support for all Ostracon-specific command line options
 	ostcmd.AddNodeFlags(cmd)
@@ -207,7 +207,7 @@ func startStandAlone(ctx *Context, appCreator types.AppCreator) error {
 
 	app := appCreator(ctx.Logger, db, traceWriter, ctx.Viper)
 
-	config, err := config.GetConfig(ctx.Viper)
+	config, err := serverconfig.GetConfig(ctx.Viper)
 	if err != nil {
 		return err
 	}
@@ -273,7 +273,7 @@ func startInProcess(ctx *Context, clientCtx client.Context, appCreator types.App
 		return err
 	}
 
-	config, err := config.GetConfig(ctx.Viper)
+	config, err := serverconfig.GetConfig(ctx.Viper)
 	if err != nil {
 		return err
 	}
@@ -381,7 +381,7 @@ func startInProcess(ctx *Context, clientCtx client.Context, appCreator types.App
 	)
 
 	if config.GRPC.Enable {
-		grpcSrv, err = servergrpc.StartGRPCServer(clientCtx, app, config.GRPC.Address)
+		grpcSrv, err = servergrpc.StartGRPCServer(clientCtx, app, config.GRPC)
 		if err != nil {
 			return err
 		}
@@ -471,7 +471,7 @@ func startInProcess(ctx *Context, clientCtx client.Context, appCreator types.App
 	return WaitForQuitSignals()
 }
 
-func startTelemetry(cfg config.Config) (*telemetry.Metrics, error) {
+func startTelemetry(cfg serverconfig.Config) (*telemetry.Metrics, error) {
 	if !cfg.Telemetry.Enabled {
 		return nil, nil
 	}

diff --git a/testutil/network/util.go b/testutil/network/util.go
@@ -100,7 +100,7 @@ func startInProcess(cfg Config, val *Validator) error {
 	}
 
 	if val.AppConfig.GRPC.Enable {
-		grpcSrv, err := servergrpc.StartGRPCServer(val.ClientCtx, app, val.AppConfig.GRPC.Address)
+		grpcSrv, err := servergrpc.StartGRPCServer(val.ClientCtx, app, val.AppConfig.GRPC)
 		if err != nil {
 			return err
 		}