rpc: add configurable http and `eth_call` timeout

cmd/harmony/config_migrations.go

@@ -340,6 +340,23 @@ func init() {
 		return confTree
 	}
 
+	migrations["2.5.12"] = func(confTree *toml.Tree) *toml.Tree {
+		if confTree.Get("HTTP.ReadTimeout") == nil {
+			confTree.Set("HTTP.ReadTimeout", defaultConfig.HTTP.ReadTimeout)
+		}
+		if confTree.Get("HTTP.WriteTimeout") == nil {
+			confTree.Set("HTTP.WriteTimeout", defaultConfig.HTTP.WriteTimeout)
+		}
+		if confTree.Get("HTTP.IdleTimeout") == nil {
+			confTree.Set("HTTP.IdleTimeout", defaultConfig.HTTP.IdleTimeout)
+		}
+		if confTree.Get("RPCOpt.EvmCallTimeout") == nil {
+			confTree.Set("RPCOpt.EvmCallTimeout", defaultConfig.RPCOpt.EvmCallTimeout)
+		}
+		confTree.Set("Version", "2.5.13")
+		return confTree
+	}
+
 	// check that the latest version here is the same as in default.go
 	largestKey := getNextVersion(migrations)
 	if largestKey != tomlConfigVersion {

cmd/harmony/default.go

@@ -5,7 +5,7 @@ import (
 	nodeconfig "github.com/harmony-one/harmony/internal/configs/node"
 )
 
-const tomlConfigVersion = "2.5.12"
+const tomlConfigVersion = "2.5.13"
 
 const (
 	defNetworkType = nodeconfig.Mainnet
@@ -44,6 +44,9 @@ var defaultConfig = harmonyconfig.HarmonyConfig{
 		Port:           nodeconfig.DefaultRPCPort,
 		AuthPort:       nodeconfig.DefaultAuthRPCPort,
 		RosettaPort:    nodeconfig.DefaultRosettaPort,
+		ReadTimeout:    nodeconfig.DefaultHTTPTimeoutRead,
+		WriteTimeout:   nodeconfig.DefaultHTTPTimeoutWrite,
+		IdleTimeout:    nodeconfig.DefaultHTTPTimeoutIdle,
 	},
 	WS: harmonyconfig.WsConfig{
 		Enabled:  true,
@@ -59,6 +62,7 @@ var defaultConfig = harmonyconfig.HarmonyConfig{
 		RpcFilterFile:      "./.hmy/rpc_filter.txt",
 		RateLimterEnabled:  true,
 		RequestsPerSecond:  nodeconfig.DefaultRPCRateLimit,
+		EvmCallTimeout:     nodeconfig.DefaultEvmCallTimeout,
 	},
 	BLSKeys: harmonyconfig.BlsConfig{
 		KeyDir:   "./.hmy/blskeys",

cmd/harmony/flags.go

@@ -75,6 +75,9 @@ var (
 		httpPortFlag,
 		httpAuthPortFlag,
 		httpRosettaPortFlag,
+		httpReadTimeoutFlag,
+		httpWriteTimeoutFlag,
+		httpIdleTimeoutFlag,
 	}
 
 	wsFlags = []cli.Flag{
@@ -92,6 +95,7 @@ var (
 		rpcFilterFileFlag,
 		rpcRateLimiterEnabledFlag,
 		rpcRateLimitFlag,
+		rpcEvmCallTimeoutFlag,
 	}
 
 	blsFlags = append(newBLSFlags, legacyBLSFlags...)
@@ -695,6 +699,21 @@ var (
 		Usage:    "rosetta port to listen for HTTP requests",
 		DefValue: defaultConfig.HTTP.RosettaPort,
 	}
+	httpReadTimeoutFlag = cli.StringFlag{
+		Name:     "http.timeout.read",
+		Usage:    "maximum duration to read the entire request, including the body",
+		DefValue: defaultConfig.HTTP.ReadTimeout,
+	}
+	httpWriteTimeoutFlag = cli.StringFlag{
+		Name:     "http.timeout.write",
+		Usage:    "maximum duration before timing out writes of the response",
+		DefValue: defaultConfig.HTTP.WriteTimeout,
+	}
+	httpIdleTimeoutFlag = cli.StringFlag{
+		Name:     "http.timeout.idle",
+		Usage:    "maximum amount of time to wait for the next request when keep-alives are enabled",
+		DefValue: defaultConfig.HTTP.IdleTimeout,
+	}
 )
 
 func applyHTTPFlags(cmd *cobra.Command, config *harmonyconfig.HarmonyConfig) {
@@ -732,6 +751,16 @@ func applyHTTPFlags(cmd *cobra.Command, config *harmonyconfig.HarmonyConfig) {
 		config.HTTP.Enabled = true
 	}
 
+	if cli.IsFlagChanged(cmd, httpReadTimeoutFlag) {
+		config.HTTP.ReadTimeout = cli.GetStringFlagValue(cmd, httpReadTimeoutFlag)
+	}
+	if cli.IsFlagChanged(cmd, httpWriteTimeoutFlag) {
+		config.HTTP.WriteTimeout = cli.GetStringFlagValue(cmd, httpWriteTimeoutFlag)
+	}
+	if cli.IsFlagChanged(cmd, httpIdleTimeoutFlag) {
+		config.HTTP.IdleTimeout = cli.GetStringFlagValue(cmd, httpIdleTimeoutFlag)
+	}
+
 }
 
 // ws flags
@@ -821,6 +850,12 @@ var (
 		Usage:    "the number of requests per second for RPCs",
 		DefValue: defaultConfig.RPCOpt.RequestsPerSecond,
 	}
+
+	rpcEvmCallTimeoutFlag = cli.StringFlag{
+		Name:     "rpc.evm-call-timeout",
+		Usage:    "timeout for evm execution (eth_call); 0 means infinite timeout",
+		DefValue: defaultConfig.RPCOpt.EvmCallTimeout,
+	}
 )
 
 func applyRPCOptFlags(cmd *cobra.Command, config *harmonyconfig.HarmonyConfig) {
@@ -845,7 +880,9 @@ func applyRPCOptFlags(cmd *cobra.Command, config *harmonyconfig.HarmonyConfig) {
 	if cli.IsFlagChanged(cmd, rpcRateLimitFlag) {
 		config.RPCOpt.RequestsPerSecond = cli.GetIntFlagValue(cmd, rpcRateLimitFlag)
 	}
-
+	if cli.IsFlagChanged(cmd, rpcEvmCallTimeoutFlag) {
+		config.RPCOpt.EvmCallTimeout = cli.GetStringFlagValue(cmd, rpcEvmCallTimeoutFlag)
+	}
 }
 
 // bls flags

cmd/harmony/flags_test.go

@@ -77,6 +77,9 @@ func TestHarmonyFlags(t *testing.T) {
 					AuthPort:       9501,
 					RosettaEnabled: false,
 					RosettaPort:    9700,
+					ReadTimeout:    defaultConfig.HTTP.ReadTimeout,
+					WriteTimeout:   defaultConfig.HTTP.WriteTimeout,
+					IdleTimeout:    defaultConfig.HTTP.IdleTimeout,
 				},
 				RPCOpt: harmonyconfig.RpcOptConfig{
 					DebugEnabled:       false,
@@ -86,6 +89,7 @@ func TestHarmonyFlags(t *testing.T) {
 					RpcFilterFile:      "./.hmy/rpc_filter.txt",
 					RateLimterEnabled:  true,
 					RequestsPerSecond:  1000,
+					EvmCallTimeout:     defaultConfig.RPCOpt.EvmCallTimeout,
 				},
 				WS: harmonyconfig.WsConfig{
 					Enabled:  true,
@@ -531,6 +535,9 @@ func TestRPCFlags(t *testing.T) {
 				Port:           defaultConfig.HTTP.Port,
 				AuthPort:       defaultConfig.HTTP.AuthPort,
 				RosettaPort:    defaultConfig.HTTP.RosettaPort,
+				ReadTimeout:    defaultConfig.HTTP.ReadTimeout,
+				WriteTimeout:   defaultConfig.HTTP.WriteTimeout,
+				IdleTimeout:    defaultConfig.HTTP.IdleTimeout,
 			},
 		},
 		{
@@ -542,6 +549,9 @@ func TestRPCFlags(t *testing.T) {
 				Port:           9001,
 				AuthPort:       defaultConfig.HTTP.AuthPort,
 				RosettaPort:    defaultConfig.HTTP.RosettaPort,
+				ReadTimeout:    defaultConfig.HTTP.ReadTimeout,
+				WriteTimeout:   defaultConfig.HTTP.WriteTimeout,
+				IdleTimeout:    defaultConfig.HTTP.IdleTimeout,
 			},
 		},
 		{
@@ -553,6 +563,9 @@ func TestRPCFlags(t *testing.T) {
 				Port:           defaultConfig.HTTP.Port,
 				AuthPort:       9001,
 				RosettaPort:    defaultConfig.HTTP.RosettaPort,
+				ReadTimeout:    defaultConfig.HTTP.ReadTimeout,
+				WriteTimeout:   defaultConfig.HTTP.WriteTimeout,
+				IdleTimeout:    defaultConfig.HTTP.IdleTimeout,
 			},
 		},
 		{
@@ -564,6 +577,9 @@ func TestRPCFlags(t *testing.T) {
 				Port:           9001,
 				AuthPort:       defaultConfig.HTTP.AuthPort,
 				RosettaPort:    10001,
+				ReadTimeout:    defaultConfig.HTTP.ReadTimeout,
+				WriteTimeout:   defaultConfig.HTTP.WriteTimeout,
+				IdleTimeout:    defaultConfig.HTTP.IdleTimeout,
 			},
 		},
 		{
@@ -575,6 +591,9 @@ func TestRPCFlags(t *testing.T) {
 				Port:           defaultConfig.HTTP.Port,
 				AuthPort:       defaultConfig.HTTP.AuthPort,
 				RosettaPort:    10001,
+				ReadTimeout:    defaultConfig.HTTP.ReadTimeout,
+				WriteTimeout:   defaultConfig.HTTP.WriteTimeout,
+				IdleTimeout:    defaultConfig.HTTP.IdleTimeout,
 			},
 		},
 		{
@@ -586,6 +605,23 @@ func TestRPCFlags(t *testing.T) {
 				Port:           9501,
 				AuthPort:       9502,
 				RosettaPort:    9701,
+				ReadTimeout:    defaultConfig.HTTP.ReadTimeout,
+				WriteTimeout:   defaultConfig.HTTP.WriteTimeout,
+				IdleTimeout:    defaultConfig.HTTP.IdleTimeout,
+			},
+		},
+		{
+			args: []string{"--http.timeout.read", "10s", "--http.timeout.write", "20s", "--http.timeout.idle", "30s"},
+			expConfig: harmonyconfig.HttpConfig{
+				Enabled:        true,
+				RosettaEnabled: false,
+				IP:             defaultConfig.HTTP.IP,
+				Port:           defaultConfig.HTTP.Port,
+				AuthPort:       defaultConfig.HTTP.AuthPort,
+				RosettaPort:    defaultConfig.HTTP.RosettaPort,
+				ReadTimeout:    "10s",
+				WriteTimeout:   "20s",
+				IdleTimeout:    "30s",
 			},
 		},
 	}
@@ -699,6 +735,7 @@ func TestRPCOptFlags(t *testing.T) {
 				RpcFilterFile:      "./.hmy/rpc_filter.txt",
 				RateLimterEnabled:  true,
 				RequestsPerSecond:  1000,
+				EvmCallTimeout:     defaultConfig.RPCOpt.EvmCallTimeout,
 			},
 		},
 
@@ -712,6 +749,7 @@ func TestRPCOptFlags(t *testing.T) {
 				RpcFilterFile:      "./.hmy/rpc_filter.txt",
 				RateLimterEnabled:  true,
 				RequestsPerSecond:  1000,
+				EvmCallTimeout:     defaultConfig.RPCOpt.EvmCallTimeout,
 			},
 		},
 
@@ -725,6 +763,7 @@ func TestRPCOptFlags(t *testing.T) {
 				RpcFilterFile:      "./.hmy/rpc_filter.txt",
 				RateLimterEnabled:  true,
 				RequestsPerSecond:  1000,
+				EvmCallTimeout:     defaultConfig.RPCOpt.EvmCallTimeout,
 			},
 		},
 
@@ -738,6 +777,7 @@ func TestRPCOptFlags(t *testing.T) {
 				RpcFilterFile:      "./.hmy/rpc_filter.txt",
 				RateLimterEnabled:  true,
 				RequestsPerSecond:  1000,
+				EvmCallTimeout:     defaultConfig.RPCOpt.EvmCallTimeout,
 			},
 		},
 
@@ -751,6 +791,7 @@ func TestRPCOptFlags(t *testing.T) {
 				RpcFilterFile:      "./rmf.toml",
 				RateLimterEnabled:  true,
 				RequestsPerSecond:  1000,
+				EvmCallTimeout:     defaultConfig.RPCOpt.EvmCallTimeout,
 			},
 		},
 
@@ -764,6 +805,7 @@ func TestRPCOptFlags(t *testing.T) {
 				RpcFilterFile:      "./.hmy/rpc_filter.txt",
 				RateLimterEnabled:  true,
 				RequestsPerSecond:  1000,
+				EvmCallTimeout:     defaultConfig.RPCOpt.EvmCallTimeout,
 			},
 		},
 
@@ -777,6 +819,7 @@ func TestRPCOptFlags(t *testing.T) {
 				RpcFilterFile:      "./.hmy/rpc_filter.txt",
 				RateLimterEnabled:  true,
 				RequestsPerSecond:  2000,
+				EvmCallTimeout:     defaultConfig.RPCOpt.EvmCallTimeout,
 			},
 		},
 
@@ -790,6 +833,21 @@ func TestRPCOptFlags(t *testing.T) {
 				RpcFilterFile:      "./.hmy/rpc_filter.txt",
 				RateLimterEnabled:  false,
 				RequestsPerSecond:  2000,
+				EvmCallTimeout:     defaultConfig.RPCOpt.EvmCallTimeout,
+			},
+		},
+
+		{
+			args: []string{"--rpc.evm-call-timeout", "10s"},
+			expConfig: harmonyconfig.RpcOptConfig{
+				DebugEnabled:       false,
+				EthRPCsEnabled:     true,
+				StakingRPCsEnabled: true,
+				LegacyRPCsEnabled:  true,
+				RpcFilterFile:      "./.hmy/rpc_filter.txt",
+				RateLimterEnabled:  true,
+				RequestsPerSecond:  1000,
+				EvmCallTimeout:     "10s",
 			},
 		},
 	}

internal/configs/harmony/harmony.go

@@ -3,6 +3,10 @@ package harmony
 import (
 	"reflect"
 	"strings"
+	"time"
+
+	nodeconfig "github.com/harmony-one/harmony/internal/configs/node"
+	"github.com/harmony-one/harmony/internal/utils"
 )
 
 // HarmonyConfig contains all the configs user can set for running harmony binary. Served as the bridge
@@ -32,6 +36,62 @@ type HarmonyConfig struct {
 	ShardData  ShardDataConfig
 }
 
+func (hc HarmonyConfig) ToRPCServerConfig() nodeconfig.RPCServerConfig {
+	readTimeout, err := time.ParseDuration(hc.HTTP.ReadTimeout)
+	if err != nil {
+		readTimeout, _ = time.ParseDuration(nodeconfig.DefaultHTTPTimeoutRead)
+		utils.Logger().Warn().
+			Str("provided", hc.HTTP.ReadTimeout).
+			Dur("updated", readTimeout).
+			Msg("Sanitizing invalid http read timeout")
+	}
+	writeTimeout, err := time.ParseDuration(hc.HTTP.WriteTimeout)
+	if err != nil {
+		writeTimeout, _ = time.ParseDuration(nodeconfig.DefaultHTTPTimeoutWrite)
+		utils.Logger().Warn().
+			Str("provided", hc.HTTP.WriteTimeout).
+			Dur("updated", writeTimeout).
+			Msg("Sanitizing invalid http write timeout")
+	}
+	idleTimeout, err := time.ParseDuration(hc.HTTP.IdleTimeout)
+	if err != nil {
+		idleTimeout, _ = time.ParseDuration(nodeconfig.DefaultHTTPTimeoutIdle)
+		utils.Logger().Warn().
+			Str("provided", hc.HTTP.IdleTimeout).
+			Dur("updated", idleTimeout).
+			Msg("Sanitizing invalid http idle timeout")
+	}
+	evmCallTimeout, err := time.ParseDuration(hc.RPCOpt.EvmCallTimeout)
+	if err != nil {
+		evmCallTimeout, _ = time.ParseDuration(nodeconfig.DefaultEvmCallTimeout)
+		utils.Logger().Warn().
+			Str("provided", hc.RPCOpt.EvmCallTimeout).
+			Dur("updated", evmCallTimeout).
+			Msg("Sanitizing invalid evm_call timeout")
+	}
+	return nodeconfig.RPCServerConfig{
+		HTTPEnabled:        hc.HTTP.Enabled,
+		HTTPIp:             hc.HTTP.IP,
+		HTTPPort:           hc.HTTP.Port,
+		HTTPAuthPort:       hc.HTTP.AuthPort,
+		HTTPTimeoutRead:    readTimeout,
+		HTTPTimeoutWrite:   writeTimeout,
+		HTTPTimeoutIdle:    idleTimeout,
+		WSEnabled:          hc.WS.Enabled,
+		WSIp:               hc.WS.IP,
+		WSPort:             hc.WS.Port,
+		WSAuthPort:         hc.WS.AuthPort,
+		DebugEnabled:       hc.RPCOpt.DebugEnabled,
+		EthRPCsEnabled:     hc.RPCOpt.EthRPCsEnabled,
+		StakingRPCsEnabled: hc.RPCOpt.StakingRPCsEnabled,
+		LegacyRPCsEnabled:  hc.RPCOpt.LegacyRPCsEnabled,
+		RpcFilterFile:      hc.RPCOpt.RpcFilterFile,
+		RateLimiterEnabled: hc.RPCOpt.RateLimterEnabled,
+		RequestsPerSecond:  hc.RPCOpt.RequestsPerSecond,
+		EvmCallTimeout:     evmCallTimeout,
+	}
+}
+
 type DnsSync struct {
 	Port       int    // replaces: Network.DNSSyncPort
 	Zone       string // replaces: Network.DNSZone
@@ -180,6 +240,9 @@ type HttpConfig struct {
 	AuthPort       int
 	RosettaEnabled bool
 	RosettaPort    int
+	ReadTimeout    string
+	WriteTimeout   string
+	IdleTimeout    string
 }
 
 type WsConfig struct {
@@ -197,6 +260,7 @@ type RpcOptConfig struct {
 	RpcFilterFile      string // Define filters to enable/disable RPC exposure
 	RateLimterEnabled  bool   // Enable Rate limiter for RPC
 	RequestsPerSecond  int    // for RPC rate limiter
+	EvmCallTimeout     string // Timeout for eth_call
 }
 
 type DevnetConfig struct {

internal/configs/harmony/harmony_test.go

@@ -0,0 +1,81 @@
+package harmony
+
+import (
+	"fmt"
+	"testing"
+	"time"
+
+	nodeconfig "github.com/harmony-one/harmony/internal/configs/node"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestToRPCServerConfig(t *testing.T) {
+	tests := []struct {
+		input  HarmonyConfig
+		output nodeconfig.RPCServerConfig
+	}{
+		{
+			input: HarmonyConfig{
+				HTTP: HttpConfig{
+					Enabled:        true,
+					RosettaEnabled: false,
+					IP:             "127.0.0.1",
+					Port:           nodeconfig.DefaultRPCPort,
+					AuthPort:       nodeconfig.DefaultAuthRPCPort,
+					RosettaPort:    nodeconfig.DefaultRosettaPort,
+					ReadTimeout:    "-1",
+					WriteTimeout:   "-2",
+					IdleTimeout:    "-3",
+				},
+				WS: WsConfig{
+					Enabled:  true,
+					IP:       "127.0.0.1",
+					Port:     nodeconfig.DefaultWSPort,
+					AuthPort: nodeconfig.DefaultAuthWSPort,
+				},
+				RPCOpt: RpcOptConfig{
+					DebugEnabled:       false,
+					EthRPCsEnabled:     true,
+					StakingRPCsEnabled: true,
+					LegacyRPCsEnabled:  true,
+					RpcFilterFile:      "./.hmy/rpc_filter.txt",
+					RateLimterEnabled:  true,
+					RequestsPerSecond:  nodeconfig.DefaultRPCRateLimit,
+					EvmCallTimeout:     "-4",
+				},
+			},
+			output: nodeconfig.RPCServerConfig{
+				HTTPEnabled:        true,
+				HTTPIp:             "127.0.0.1",
+				HTTPPort:           nodeconfig.DefaultRPCPort,
+				HTTPAuthPort:       nodeconfig.DefaultAuthRPCPort,
+				HTTPTimeoutRead:    30 * time.Second,
+				HTTPTimeoutWrite:   30 * time.Second,
+				HTTPTimeoutIdle:    120 * time.Second,
+				WSEnabled:          true,
+				WSIp:               "127.0.0.1",
+				WSPort:             nodeconfig.DefaultWSPort,
+				WSAuthPort:         nodeconfig.DefaultAuthWSPort,
+				DebugEnabled:       false,
+				EthRPCsEnabled:     true,
+				StakingRPCsEnabled: true,
+				LegacyRPCsEnabled:  true,
+				RpcFilterFile:      "./.hmy/rpc_filter.txt",
+				RateLimiterEnabled: true,
+				RequestsPerSecond:  nodeconfig.DefaultRPCRateLimit,
+				EvmCallTimeout:     5 * time.Second,
+			},
+		},
+	}
+	for i, tt := range tests {
+		assertObject := assert.New(t)
+		name := fmt.Sprintf("TestToRPCServerConfig: #%d", i)
+		t.Run(name, func(t *testing.T) {
+			assertObject.Equal(
+				tt.input.ToRPCServerConfig(),
+				tt.output,
+				name,
+			)
+		})
+	}
+}

internal/configs/node/config.go

@@ -8,6 +8,7 @@ import (
 	"math/big"
 	"strings"
 	"sync"
+	"time"
 
 	bls_core "github.com/harmony-one/bls/ffi/go/bls"
 	"github.com/harmony-one/harmony/crypto/bls"
@@ -115,6 +116,10 @@ type RPCServerConfig struct {
 	HTTPPort     int
 	HTTPAuthPort int
 
+	HTTPTimeoutRead  time.Duration
+	HTTPTimeoutWrite time.Duration
+	HTTPTimeoutIdle  time.Duration
+
 	WSEnabled  bool
 	WSIp       string
 	WSPort     int
@@ -130,6 +135,8 @@ type RPCServerConfig struct {
 
 	RateLimiterEnabled bool
 	RequestsPerSecond  int
+
+	EvmCallTimeout time.Duration
 }
 
 // RosettaServerConfig is the config for the rosetta server

internal/configs/node/network.go

@@ -51,6 +51,12 @@ const (
 	DefaultAuthRPCPort = 9501
 	// DefaultRosettaPort is the default rosetta port. The actual port used is 9000+700
 	DefaultRosettaPort = 9700
+	// DefaultHTTP timeouts - read, write, and idle
+	DefaultHTTPTimeoutRead  = "30s"
+	DefaultHTTPTimeoutWrite = "30s"
+	DefaultHTTPTimeoutIdle  = "120s"
+	// DefaultEvmCallTimeout is the default timeout for evm call
+	DefaultEvmCallTimeout = "5s"
 	// DefaultWSPort is the default port for web socket endpoint. The actual port used is
 	DefaultWSPort = 9800
 	// DefaultAuthWSPort is the default port for web socket auth endpoint. The actual port used is

rosetta/rosetta.go

@@ -84,7 +84,10 @@ func getRouter(asserter *asserter.Asserter, hmy *hmy.Harmony, limiterEnable bool
 		server.NewMempoolAPIController(services.NewMempoolAPI(hmy), asserter),
 		server.NewNetworkAPIController(services.NewNetworkAPI(hmy), asserter),
 		server.NewConstructionAPIController(services.NewConstructionAPI(hmy), asserter),
-		server.NewCallAPIController(services.NewCallAPIService(hmy, limiterEnable, rateLimit), asserter),
+		server.NewCallAPIController(
+			services.NewCallAPIService(hmy, limiterEnable, rateLimit, hmy.NodeAPI.GetConfig().NodeConfig.RPCServer.EvmCallTimeout),
+			asserter,
+		),
 		server.NewEventsAPIController(services.NewEventAPI(hmy), asserter),
 		server.NewSearchAPIController(services.NewSearchAPI(hmy), asserter),
 	)

rosetta/services/call_service.go

@@ -3,6 +3,7 @@ package services
 import (
 	"context"
 	"encoding/json"
+	"time"
 
 	"github.com/coinbase/rosetta-sdk-go/server"
 	"github.com/coinbase/rosetta-sdk-go/types"
@@ -82,10 +83,15 @@ func (c *CallAPIService) Call(
 
 }
 
-func NewCallAPIService(hmy *hmy.Harmony, limiterEnable bool, rateLimit int) server.CallAPIServicer {
+func NewCallAPIService(
+	hmy *hmy.Harmony,
+	limiterEnable bool,
+	rateLimit int,
+	evmCallTimeout time.Duration,
+) server.CallAPIServicer {
 	return &CallAPIService{
 		hmy:                 hmy,
-		publicContractAPI:   rpc2.NewPublicContractAPI(hmy, rpc2.V2, limiterEnable, rateLimit),
+		publicContractAPI:   rpc2.NewPublicContractAPI(hmy, rpc2.V2, limiterEnable, rateLimit, evmCallTimeout),
 		publicStakingAPI:    rpc2.NewPublicStakingAPI(hmy, rpc2.V2),
 		publicBlockChainAPI: rpc2.NewPublicBlockchainAPI(hmy, rpc2.V2, limiterEnable, rateLimit),
 	}

rpc/contract.go

@@ -31,11 +31,18 @@ type PublicContractService struct {
 	hmy     *hmy.Harmony
 	version Version
 	// TEMP SOLUTION to rpc node spamming issue
-	limiterCall *rate.Limiter
+	limiterCall    *rate.Limiter
+	evmCallTimeout time.Duration
 }
 
 // NewPublicContractAPI creates a new API for the RPC interface
-func NewPublicContractAPI(hmy *hmy.Harmony, version Version, limiterEnable bool, limit int) rpc.API {
+func NewPublicContractAPI(
+	hmy *hmy.Harmony,
+	version Version,
+	limiterEnable bool,
+	limit int,
+	evmCallTimeout time.Duration,
+) rpc.API {
 	var limiter *rate.Limiter
 	if limiterEnable {
 		limiter = rate.NewLimiter(rate.Limit(limit), limit)
@@ -44,8 +51,13 @@ func NewPublicContractAPI(hmy *hmy.Harmony, version Version, limiterEnable bool,
 	return rpc.API{
 		Namespace: version.Namespace(),
 		Version:   APIVersion,
-		Service:   &PublicContractService{hmy, version, limiter},
+		Service: &PublicContractService{
-		Public:    true,
+			hmy:            hmy,
+			version:        version,
+			limiterCall:    limiter,
+			evmCallTimeout: evmCallTimeout,
+		},
+		Public: true,
 	}
 }
 
@@ -80,7 +92,7 @@ func (s *PublicContractService) Call(
 	}
 
 	// Execute call
-	result, err := DoEVMCall(ctx, s.hmy, args, blockNrOrHash, CallTimeout)
+	result, err := DoEVMCall(ctx, s.hmy, args, blockNrOrHash, s.evmCallTimeout)
 	if err != nil {
 		return nil, err
 	}

rpc/rpc.go

@@ -58,9 +58,9 @@ var (
 	wsEndpoint       = ""
 	wsAuthEndpoint   = ""
 	httpVirtualHosts = []string{"*"}
-	httpTimeouts     = rpc.DefaultHTTPTimeouts
+	// httpTimeouts     = rpc.DefaultHTTPTimeouts
-	httpOrigins      = []string{"*"}
+	httpOrigins = []string{"*"}
-	wsOrigins        = []string{"*"}
+	wsOrigins   = []string{"*"}
 )
 
 // Version of the RPC
@@ -86,13 +86,18 @@ func StartServers(hmy *hmy.Harmony, apis []rpc.API, config nodeconfig.RPCServerC
 		rmf.ExposeAll()
 	}
 	if config.HTTPEnabled {
+		timeouts := rpc.HTTPTimeouts{
+			ReadTimeout:  config.HTTPTimeoutRead,
+			WriteTimeout: config.HTTPTimeoutWrite,
+			IdleTimeout:  config.HTTPTimeoutIdle,
+		}
 		httpEndpoint = fmt.Sprintf("%v:%v", config.HTTPIp, config.HTTPPort)
-		if err := startHTTP(apis, &rmf); err != nil {
+		if err := startHTTP(apis, &rmf, timeouts); err != nil {
 			return err
 		}
 
 		httpAuthEndpoint = fmt.Sprintf("%v:%v", config.HTTPIp, config.HTTPAuthPort)
-		if err := startAuthHTTP(authApis, &rmf); err != nil {
+		if err := startAuthHTTP(authApis, &rmf, timeouts); err != nil {
 			return err
 		}
 	}
@@ -158,8 +163,8 @@ func getAPIs(hmy *hmy.Harmony, config nodeconfig.RPCServerConfig) []rpc.API {
 		NewPublicHarmonyAPI(hmy, V2),
 		NewPublicBlockchainAPI(hmy, V1, config.RateLimiterEnabled, config.RequestsPerSecond),
 		NewPublicBlockchainAPI(hmy, V2, config.RateLimiterEnabled, config.RequestsPerSecond),
-		NewPublicContractAPI(hmy, V1, config.RateLimiterEnabled, config.RequestsPerSecond),
+		NewPublicContractAPI(hmy, V1, config.RateLimiterEnabled, config.RequestsPerSecond, config.EvmCallTimeout),
-		NewPublicContractAPI(hmy, V2, config.RateLimiterEnabled, config.RequestsPerSecond),
+		NewPublicContractAPI(hmy, V2, config.RateLimiterEnabled, config.RequestsPerSecond, config.EvmCallTimeout),
 		NewPublicTransactionAPI(hmy, V1),
 		NewPublicTransactionAPI(hmy, V2),
 		NewPublicPoolAPI(hmy, V1, config.RateLimiterEnabled, config.RequestsPerSecond),
@@ -185,7 +190,7 @@ func getAPIs(hmy *hmy.Harmony, config nodeconfig.RPCServerConfig) []rpc.API {
 		publicAPIs = append(publicAPIs,
 			NewPublicHarmonyAPI(hmy, Eth),
 			NewPublicBlockchainAPI(hmy, Eth, config.RateLimiterEnabled, config.RequestsPerSecond),
-			NewPublicContractAPI(hmy, Eth, config.RateLimiterEnabled, config.RequestsPerSecond),
+			NewPublicContractAPI(hmy, Eth, config.RateLimiterEnabled, config.RequestsPerSecond, config.EvmCallTimeout),
 			NewPublicTransactionAPI(hmy, Eth),
 			NewPublicPoolAPI(hmy, Eth, config.RateLimiterEnabled, config.RequestsPerSecond),
 			eth.NewPublicEthService(hmy, "eth"),
@@ -210,7 +215,7 @@ func getAPIs(hmy *hmy.Harmony, config nodeconfig.RPCServerConfig) []rpc.API {
 	return publicAPIs
 }
 
-func startHTTP(apis []rpc.API, rmf *rpc.RpcMethodFilter) (err error) {
+func startHTTP(apis []rpc.API, rmf *rpc.RpcMethodFilter, httpTimeouts rpc.HTTPTimeouts) (err error) {
 	httpListener, httpHandler, err = rpc.StartHTTPEndpoint(
 		httpEndpoint, apis, HTTPModules, rmf, httpOrigins, httpVirtualHosts, httpTimeouts,
 	)
@@ -227,7 +232,7 @@ func startHTTP(apis []rpc.API, rmf *rpc.RpcMethodFilter) (err error) {
 	return nil
 }
 
-func startAuthHTTP(apis []rpc.API, rmf *rpc.RpcMethodFilter) (err error) {
+func startAuthHTTP(apis []rpc.API, rmf *rpc.RpcMethodFilter, httpTimeouts rpc.HTTPTimeouts) (err error) {
 	httpListener, httpHandler, err = rpc.StartHTTPEndpoint(
 		httpAuthEndpoint, apis, HTTPModules, rmf, httpOrigins, httpVirtualHosts, httpTimeouts,
 	)