cmd, eth, miner: make recommit configurable (#17444)

* cmd, eth, miner: make recommit configurable

* cmd, eth, les, miner: polish a bit

* miner: filter duplicate sealing work

* cmd: remove uncessary conversion

* miner: avoid microptimization in favor of cleaner code

4 files changed, 61 insertions, 21 deletions

diff --git a/eth/api.go b/eth/api.go
index c1fbcb6d4..4b0ba8edb 100644
--- a/eth/api.go
+++ b/eth/api.go
@@ -25,6 +25,7 @@ import (
 	"math/big"
 	"os"
 	"strings"
+	"time"
 
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/common/hexutil"
@@ -160,6 +161,11 @@ func (api *PrivateMinerAPI) SetEtherbase(etherbase common.Address) bool {
 	return true
 }
 
+// SetRecommitInterval updates the interval for miner sealing work recommitting.
+func (api *PrivateMinerAPI) SetRecommitInterval(interval int) {
+	api.e.Miner().SetRecommitInterval(time.Duration(interval) * time.Millisecond)
+}
+
 // GetHashrate returns the current hashrate of the miner.
 func (api *PrivateMinerAPI) GetHashrate() uint64 {
 	return api.e.miner.HashRate()
diff --git a/eth/backend.go b/eth/backend.go
index 588b78256..648175acf 100644
--- a/eth/backend.go
+++ b/eth/backend.go
@@ -127,7 +127,7 @@ func New(ctx *node.ServiceContext, config *Config) (*Ethereum, error) {
 		engine:         CreateConsensusEngine(ctx, chainConfig, &config.Ethash, config.MinerNotify, chainDb),
 		shutdownChan:   make(chan bool),
 		networkID:      config.NetworkId,
-		gasPrice:       config.GasPrice,
+		gasPrice:       config.MinerGasPrice,
 		etherbase:      config.Etherbase,
 		bloomRequests:  make(chan chan *bloombits.Retrieval),
 		bloomIndexer:   NewBloomIndexer(chainDb, params.BloomBitsBlocks, bloomConfirms),
@@ -167,13 +167,13 @@ func New(ctx *node.ServiceContext, config *Config) (*Ethereum, error) {
 		return nil, err
 	}
 
-	eth.miner = miner.New(eth, eth.chainConfig, eth.EventMux(), eth.engine)
-	eth.miner.SetExtra(makeExtraData(config.ExtraData))
+	eth.miner = miner.New(eth, eth.chainConfig, eth.EventMux(), eth.engine, config.MinerRecommit)
+	eth.miner.SetExtra(makeExtraData(config.MinerExtraData))
 
 	eth.APIBackend = &EthAPIBackend{eth, nil}
 	gpoParams := config.GPO
 	if gpoParams.Default == nil {
-		gpoParams.Default = config.GasPrice
+		gpoParams.Default = config.MinerGasPrice
 	}
 	eth.APIBackend.gpo = gasprice.NewOracle(eth.APIBackend, gpoParams)
 
diff --git a/eth/config.go b/eth/config.go
index 0c82f2923..cbd02416b 100644
--- a/eth/config.go
+++ b/eth/config.go
@@ -48,7 +48,7 @@ var DefaultConfig = Config{
 	DatabaseCache: 768,
 	TrieCache:     256,
 	TrieTimeout:   60 * time.Minute,
-	GasPrice:      big.NewInt(18 * params.Shannon),
+	MinerGasPrice: big.NewInt(18 * params.Shannon),
 
 	TxPool: core.DefaultTxPoolConfig,
 	GPO: gasprice.Config{
@@ -95,11 +95,12 @@ type Config struct {
 	TrieTimeout        time.Duration
 
 	// Mining-related options
-	Etherbase    common.Address `toml:",omitempty"`
-	MinerThreads int            `toml:",omitempty"`
-	MinerNotify  []string       `toml:",omitempty"`
-	ExtraData    []byte         `toml:",omitempty"`
-	GasPrice     *big.Int
+	Etherbase      common.Address `toml:",omitempty"`
+	MinerThreads   int            `toml:",omitempty"`
+	MinerNotify    []string       `toml:",omitempty"`
+	MinerExtraData []byte         `toml:",omitempty"`
+	MinerGasPrice  *big.Int
+	MinerRecommit  time.Duration
 
 	// Ethash options
 	Ethash ethash.Config
@@ -118,5 +119,5 @@ type Config struct {
 }
 
 type configMarshaling struct {
-	ExtraData hexutil.Bytes
+	MinerExtraData hexutil.Bytes
 }
diff --git a/eth/gen_config.go b/eth/gen_config.go
index 4f2e82d94..62556be7e 100644
--- a/eth/gen_config.go
+++ b/eth/gen_config.go
@@ -4,6 +4,7 @@ package eth
 
 import (
 	"math/big"
+	"time"
 
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/common/hexutil"
@@ -15,20 +16,26 @@ import (
 
 var _ = (*configMarshaling)(nil)
 
+// MarshalTOML marshals as TOML.
 func (c Config) MarshalTOML() (interface{}, error) {
 	type Config struct {
 		Genesis                 *core.Genesis `toml:",omitempty"`
 		NetworkId               uint64
 		SyncMode                downloader.SyncMode
+		NoPruning               bool
 		LightServ               int  `toml:",omitempty"`
 		LightPeers              int  `toml:",omitempty"`
 		SkipBcVersionCheck      bool `toml:"-"`
 		DatabaseHandles         int  `toml:"-"`
 		DatabaseCache           int
+		TrieCache               int
+		TrieTimeout             time.Duration
 		Etherbase               common.Address `toml:",omitempty"`
 		MinerThreads            int            `toml:",omitempty"`
-		ExtraData               hexutil.Bytes  `toml:",omitempty"`
-		GasPrice                *big.Int
+		MinerNotify             []string       `toml:",omitempty"`
+		MinerExtraData          hexutil.Bytes  `toml:",omitempty"`
+		MinerGasPrice           *big.Int
+		MinerRecommit           time.Duration
 		Ethash                  ethash.Config
 		TxPool                  core.TxPoolConfig
 		GPO                     gasprice.Config
@@ -39,15 +46,20 @@ func (c Config) MarshalTOML() (interface{}, error) {
 	enc.Genesis = c.Genesis
 	enc.NetworkId = c.NetworkId
 	enc.SyncMode = c.SyncMode
+	enc.NoPruning = c.NoPruning
 	enc.LightServ = c.LightServ
 	enc.LightPeers = c.LightPeers
 	enc.SkipBcVersionCheck = c.SkipBcVersionCheck
 	enc.DatabaseHandles = c.DatabaseHandles
 	enc.DatabaseCache = c.DatabaseCache
+	enc.TrieCache = c.TrieCache
+	enc.TrieTimeout = c.TrieTimeout
 	enc.Etherbase = c.Etherbase
 	enc.MinerThreads = c.MinerThreads
-	enc.ExtraData = c.ExtraData
-	enc.GasPrice = c.GasPrice
+	enc.MinerNotify = c.MinerNotify
+	enc.MinerExtraData = c.MinerExtraData
+	enc.MinerGasPrice = c.MinerGasPrice
+	enc.MinerRecommit = c.MinerRecommit
 	enc.Ethash = c.Ethash
 	enc.TxPool = c.TxPool
 	enc.GPO = c.GPO
@@ -56,20 +68,26 @@ func (c Config) MarshalTOML() (interface{}, error) {
 	return &enc, nil
 }
 
+// UnmarshalTOML unmarshals from TOML.
 func (c *Config) UnmarshalTOML(unmarshal func(interface{}) error) error {
 	type Config struct {
 		Genesis                 *core.Genesis `toml:",omitempty"`
 		NetworkId               *uint64
 		SyncMode                *downloader.SyncMode
+		NoPruning               *bool
 		LightServ               *int  `toml:",omitempty"`
 		LightPeers              *int  `toml:",omitempty"`
 		SkipBcVersionCheck      *bool `toml:"-"`
 		DatabaseHandles         *int  `toml:"-"`
 		DatabaseCache           *int
+		TrieCache               *int
+		TrieTimeout             *time.Duration
 		Etherbase               *common.Address `toml:",omitempty"`
 		MinerThreads            *int            `toml:",omitempty"`
-		ExtraData               *hexutil.Bytes  `toml:",omitempty"`
-		GasPrice                *big.Int
+		MinerNotify             []string        `toml:",omitempty"`
+		MinerExtraData          *hexutil.Bytes  `toml:",omitempty"`
+		MinerGasPrice           *big.Int
+		MinerRecommit           *time.Duration
 		Ethash                  *ethash.Config
 		TxPool                  *core.TxPoolConfig
 		GPO                     *gasprice.Config
@@ -89,6 +107,9 @@ func (c *Config) UnmarshalTOML(unmarshal func(interface{}) error) error {
 	if dec.SyncMode != nil {
 		c.SyncMode = *dec.SyncMode
 	}
+	if dec.NoPruning != nil {
+		c.NoPruning = *dec.NoPruning
+	}
 	if dec.LightServ != nil {
 		c.LightServ = *dec.LightServ
 	}
@@ -104,17 +125,29 @@ func (c *Config) UnmarshalTOML(unmarshal func(interface{}) error) error {
 	if dec.DatabaseCache != nil {
 		c.DatabaseCache = *dec.DatabaseCache
 	}
+	if dec.TrieCache != nil {
+		c.TrieCache = *dec.TrieCache
+	}
+	if dec.TrieTimeout != nil {
+		c.TrieTimeout = *dec.TrieTimeout
+	}
 	if dec.Etherbase != nil {
 		c.Etherbase = *dec.Etherbase
 	}
 	if dec.MinerThreads != nil {
 		c.MinerThreads = *dec.MinerThreads
 	}
-	if dec.ExtraData != nil {
-		c.ExtraData = *dec.ExtraData
+	if dec.MinerNotify != nil {
+		c.MinerNotify = dec.MinerNotify
+	}
+	if dec.MinerExtraData != nil {
+		c.MinerExtraData = *dec.MinerExtraData
+	}
+	if dec.MinerGasPrice != nil {
+		c.MinerGasPrice = dec.MinerGasPrice
 	}
-	if dec.GasPrice != nil {
-		c.GasPrice = dec.GasPrice
+	if dec.MinerRecommit != nil {
+		c.MinerRecommit = *dec.MinerRecommit
 	}
 	if dec.Ethash != nil {
 		c.Ethash = *dec.Ethash