consensus, miner: stale block mining support (#17506)

* consensus, miner: stale block supporting

* consensus, miner: refactor seal signature

* cmd, consensus, eth: add miner noverify flag

* cmd, consensus, miner: polish

eth/api_tracer.go

@@ -294,7 +294,7 @@ func (api *PrivateDebugAPI) traceChain(ctx context.Context, start, end *types.Bl
 				failed = err
 				break
 			}
-			// Reference the trie twice, once for us, once for the trancer
+			// Reference the trie twice, once for us, once for the tracer
 			database.TrieDB().Reference(root, common.Hash{})
 			if number >= origin {
 				database.TrieDB().Reference(root, common.Hash{})

eth/backend.go

@@ -130,7 +130,7 @@ func New(ctx *node.ServiceContext, config *Config) (*Ethereum, error) {
 		chainConfig:    chainConfig,
 		eventMux:       ctx.EventMux,
 		accountManager: ctx.AccountManager,
-		engine:         CreateConsensusEngine(ctx, chainConfig, &config.Ethash, config.MinerNotify, chainDb),
+		engine:         CreateConsensusEngine(ctx, chainConfig, &config.Ethash, config.MinerNotify, config.MinerNoverify, chainDb),
 		shutdownChan:   make(chan bool),
 		networkID:      config.NetworkId,
 		gasPrice:       config.MinerGasPrice,
@@ -216,7 +216,7 @@ func CreateDB(ctx *node.ServiceContext, config *Config, name string) (ethdb.Data
 }
 
 // CreateConsensusEngine creates the required type of consensus engine instance for an Ethereum service
-func CreateConsensusEngine(ctx *node.ServiceContext, chainConfig *params.ChainConfig, config *ethash.Config, notify []string, db ethdb.Database) consensus.Engine {
+func CreateConsensusEngine(ctx *node.ServiceContext, chainConfig *params.ChainConfig, config *ethash.Config, notify []string, noverify bool, db ethdb.Database) consensus.Engine {
 	// If proof-of-authority is requested, set it up
 	if chainConfig.Clique != nil {
 		return clique.New(chainConfig.Clique, db)
@@ -228,7 +228,7 @@ func CreateConsensusEngine(ctx *node.ServiceContext, chainConfig *params.ChainCo
 		return ethash.NewFaker()
 	case ethash.ModeTest:
 		log.Warn("Ethash used in test mode")
-		return ethash.NewTester(nil)
+		return ethash.NewTester(nil, noverify)
 	case ethash.ModeShared:
 		log.Warn("Ethash used in shared mode")
 		return ethash.NewShared()
@@ -240,7 +240,7 @@ func CreateConsensusEngine(ctx *node.ServiceContext, chainConfig *params.ChainCo
 			DatasetDir:     config.DatasetDir,
 			DatasetsInMem:  config.DatasetsInMem,
 			DatasetsOnDisk: config.DatasetsOnDisk,
-		}, notify)
+		}, notify, noverify)
 		engine.SetThreads(-1) // Disable CPU mining
 		return engine
 	}

eth/config.go

@@ -101,6 +101,7 @@ type Config struct {
 	MinerExtraData []byte         `toml:",omitempty"`
 	MinerGasPrice  *big.Int
 	MinerRecommit  time.Duration
+	MinerNoverify  bool
 
 	// Ethash options
 	Ethash ethash.Config

eth/gen_config.go

@@ -35,6 +35,7 @@ func (c Config) MarshalTOML() (interface{}, error) {
 		MinerExtraData          hexutil.Bytes  `toml:",omitempty"`
 		MinerGasPrice           *big.Int
 		MinerRecommit           time.Duration
+		MinerNoverify           bool
 		Ethash                  ethash.Config
 		TxPool                  core.TxPoolConfig
 		GPO                     gasprice.Config
@@ -58,6 +59,7 @@ func (c Config) MarshalTOML() (interface{}, error) {
 	enc.MinerExtraData = c.MinerExtraData
 	enc.MinerGasPrice = c.MinerGasPrice
 	enc.MinerRecommit = c.MinerRecommit
+	enc.MinerNoverify = c.MinerNoverify
 	enc.Ethash = c.Ethash
 	enc.TxPool = c.TxPool
 	enc.GPO = c.GPO
@@ -81,11 +83,11 @@ func (c *Config) UnmarshalTOML(unmarshal func(interface{}) error) error {
 		TrieCache               *int
 		TrieTimeout             *time.Duration
 		Etherbase               *common.Address `toml:",omitempty"`
-		MinerThreads            *int            `toml:",omitempty"`
 		MinerNotify             []string        `toml:",omitempty"`
 		MinerExtraData          *hexutil.Bytes  `toml:",omitempty"`
 		MinerGasPrice           *big.Int
 		MinerRecommit           *time.Duration
+		MinerNoverify           *bool
 		Ethash                  *ethash.Config
 		TxPool                  *core.TxPoolConfig
 		GPO                     *gasprice.Config
@@ -144,6 +146,9 @@ func (c *Config) UnmarshalTOML(unmarshal func(interface{}) error) error {
 	if dec.MinerRecommit != nil {
 		c.MinerRecommit = *dec.MinerRecommit
 	}
+	if dec.MinerNoverify != nil {
+		c.MinerNoverify = *dec.MinerNoverify
+	}
 	if dec.Ethash != nil {
 		c.Ethash = *dec.Ethash
 	}