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cmd, consensus, eth: split ethash related config to it own (#15520)

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* cmd, consensus, eth: split ethash related config to it own

* eth, consensus: minor polish

* eth, consenus, console: compress pow testing config field to single one

* consensus, eth: document pow mode
This commit is contained in:
gary rong 2017-11-24 22:10:27 +08:00 committed by Péter Szilágyi
parent b0056f5bd0
commit f14047dae5
10 changed files with 154 additions and 129 deletions
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34
cmd/utils/flags.go
View File

@ -217,27 +217,27 @@ var (
EthashCachesInMemoryFlag = cli.IntFlag{
Name: "ethash.cachesinmem",
Usage: "Number of recent ethash caches to keep in memory (16MB each)",
Value: eth.DefaultConfig.EthashCachesInMem,
Value: eth.DefaultConfig.Ethash.CachesInMem,
}
EthashCachesOnDiskFlag = cli.IntFlag{
Name: "ethash.cachesondisk",
Usage: "Number of recent ethash caches to keep on disk (16MB each)",
Value: eth.DefaultConfig.EthashCachesOnDisk,
Value: eth.DefaultConfig.Ethash.CachesOnDisk,
}
EthashDatasetDirFlag = DirectoryFlag{
Name: "ethash.dagdir",
Usage: "Directory to store the ethash mining DAGs (default = inside home folder)",
Value: DirectoryString{eth.DefaultConfig.EthashDatasetDir},
Value: DirectoryString{eth.DefaultConfig.Ethash.DatasetDir},
}
EthashDatasetsInMemoryFlag = cli.IntFlag{
Name: "ethash.dagsinmem",
Usage: "Number of recent ethash mining DAGs to keep in memory (1+GB each)",
Value: eth.DefaultConfig.EthashDatasetsInMem,
Value: eth.DefaultConfig.Ethash.DatasetsInMem,
}
EthashDatasetsOnDiskFlag = cli.IntFlag{
Name: "ethash.dagsondisk",
Usage: "Number of recent ethash mining DAGs to keep on disk (1+GB each)",
Value: eth.DefaultConfig.EthashDatasetsOnDisk,
Value: eth.DefaultConfig.Ethash.DatasetsOnDisk,
}
// Transaction pool settings
TxPoolNoLocalsFlag = cli.BoolFlag{
@ -910,22 +910,22 @@ func setTxPool(ctx *cli.Context, cfg *core.TxPoolConfig) {
func setEthash(ctx *cli.Context, cfg *eth.Config) {
if ctx.GlobalIsSet(EthashCacheDirFlag.Name) {
cfg.EthashCacheDir = ctx.GlobalString(EthashCacheDirFlag.Name)
cfg.Ethash.CacheDir = ctx.GlobalString(EthashCacheDirFlag.Name)
}
if ctx.GlobalIsSet(EthashDatasetDirFlag.Name) {
cfg.EthashDatasetDir = ctx.GlobalString(EthashDatasetDirFlag.Name)
cfg.Ethash.DatasetDir = ctx.GlobalString(EthashDatasetDirFlag.Name)
}
if ctx.GlobalIsSet(EthashCachesInMemoryFlag.Name) {
cfg.EthashCachesInMem = ctx.GlobalInt(EthashCachesInMemoryFlag.Name)
cfg.Ethash.CachesInMem = ctx.GlobalInt(EthashCachesInMemoryFlag.Name)
}
if ctx.GlobalIsSet(EthashCachesOnDiskFlag.Name) {
cfg.EthashCachesOnDisk = ctx.GlobalInt(EthashCachesOnDiskFlag.Name)
cfg.Ethash.CachesOnDisk = ctx.GlobalInt(EthashCachesOnDiskFlag.Name)
}
if ctx.GlobalIsSet(EthashDatasetsInMemoryFlag.Name) {
cfg.EthashDatasetsInMem = ctx.GlobalInt(EthashDatasetsInMemoryFlag.Name)
cfg.Ethash.DatasetsInMem = ctx.GlobalInt(EthashDatasetsInMemoryFlag.Name)
}
if ctx.GlobalIsSet(EthashDatasetsOnDiskFlag.Name) {
cfg.EthashDatasetsOnDisk = ctx.GlobalInt(EthashDatasetsOnDiskFlag.Name)
cfg.Ethash.DatasetsOnDisk = ctx.GlobalInt(EthashDatasetsOnDiskFlag.Name)
}
}
@ -1159,10 +1159,14 @@ func MakeChain(ctx *cli.Context, stack *node.Node) (chain *core.BlockChain, chai
} else {
engine = ethash.NewFaker()
if !ctx.GlobalBool(FakePoWFlag.Name) {
engine = ethash.New(
stack.ResolvePath(eth.DefaultConfig.EthashCacheDir), eth.DefaultConfig.EthashCachesInMem, eth.DefaultConfig.EthashCachesOnDisk,
stack.ResolvePath(eth.DefaultConfig.EthashDatasetDir), eth.DefaultConfig.EthashDatasetsInMem, eth.DefaultConfig.EthashDatasetsOnDisk,
)
engine = ethash.New(ethash.Config{
CacheDir: stack.ResolvePath(eth.DefaultConfig.Ethash.CacheDir),
CachesInMem: eth.DefaultConfig.Ethash.CachesInMem,
CachesOnDisk: eth.DefaultConfig.Ethash.CachesOnDisk,
DatasetDir: stack.ResolvePath(eth.DefaultConfig.Ethash.DatasetDir),
DatasetsInMem: eth.DefaultConfig.Ethash.DatasetsInMem,
DatasetsOnDisk: eth.DefaultConfig.Ethash.DatasetsOnDisk,
})
}
}
vmcfg := vm.Config{EnablePreimageRecording: ctx.GlobalBool(VMEnableDebugFlag.Name)}

3
consensus/ethash/algorithm_test.go
View File

@ -703,8 +703,7 @@ func TestConcurrentDiskCacheGeneration(t *testing.T) {
go func(idx int) {
defer pend.Done()
ethash := New(cachedir, 0, 1, "", 0, 0)
ethash := New(Config{cachedir, 0, 1, "", 0, 0, ModeNormal})
if err := ethash.VerifySeal(nil, block.Header()); err != nil {
t.Errorf("proc %d: block verification failed: %v", idx, err)
}

10
consensus/ethash/consensus.go
View File

@ -68,7 +68,7 @@ func (ethash *Ethash) Author(header *types.Header) (common.Address, error) {
// stock Ethereum ethash engine.
func (ethash *Ethash) VerifyHeader(chain consensus.ChainReader, header *types.Header, seal bool) error {
// If we're running a full engine faking, accept any input as valid
if ethash.fakeFull {
if ethash.config.PowMode == ModeFullFake {
return nil
}
// Short circuit if the header is known, or it's parent not
@ -89,7 +89,7 @@ func (ethash *Ethash) VerifyHeader(chain consensus.ChainReader, header *types.He
// a results channel to retrieve the async verifications.
func (ethash *Ethash) VerifyHeaders(chain consensus.ChainReader, headers []*types.Header, seals []bool) (chan<- struct{}, <-chan error) {
// If we're running a full engine faking, accept any input as valid
if ethash.fakeFull || len(headers) == 0 {
if ethash.config.PowMode == ModeFullFake || len(headers) == 0 {
abort, results := make(chan struct{}), make(chan error, len(headers))
for i := 0; i < len(headers); i++ {
results <- nil
@ -169,7 +169,7 @@ func (ethash *Ethash) verifyHeaderWorker(chain consensus.ChainReader, headers []
// rules of the stock Ethereum ethash engine.
func (ethash *Ethash) VerifyUncles(chain consensus.ChainReader, block *types.Block) error {
// If we're running a full engine faking, accept any input as valid
if ethash.fakeFull {
if ethash.config.PowMode == ModeFullFake {
return nil
}
// Verify that there are at most 2 uncles included in this block
@ -455,7 +455,7 @@ func calcDifficultyFrontier(time uint64, parent *types.Header) *big.Int {
// the PoW difficulty requirements.
func (ethash *Ethash) VerifySeal(chain consensus.ChainReader, header *types.Header) error {
// If we're running a fake PoW, accept any seal as valid
if ethash.fakeMode {
if ethash.config.PowMode == ModeFake || ethash.config.PowMode == ModeFullFake {
time.Sleep(ethash.fakeDelay)
if ethash.fakeFail == header.Number.Uint64() {
return errInvalidPoW
@ -480,7 +480,7 @@ func (ethash *Ethash) VerifySeal(chain consensus.ChainReader, header *types.Head
cache := ethash.cache(number)
size := datasetSize(number)
if ethash.tester {
if ethash.config.PowMode == ModeTest {
size = 32 * 1024
}
digest, result := hashimotoLight(size, cache, header.HashNoNonce().Bytes(), header.Nonce.Uint64())

117
consensus/ethash/ethash.go
View File

@ -45,7 +45,7 @@ var (
maxUint256 = new(big.Int).Exp(big.NewInt(2), big.NewInt(256), big.NewInt(0))
// sharedEthash is a full instance that can be shared between multiple users.
sharedEthash = New("", 3, 0, "", 1, 0)
sharedEthash = New(Config{"", 3, 0, "", 1, 0, ModeNormal})
// algorithmRevision is the data structure version used for file naming.
algorithmRevision = 23
@ -320,15 +320,32 @@ func MakeDataset(block uint64, dir string) {
d.release()
}
// Mode defines the type and amount of PoW verification an ethash engine makes.
type Mode uint
const (
ModeNormal Mode = iota
ModeShared
ModeTest
ModeFake
ModeFullFake
)
// Config are the configuration parameters of the ethash.
type Config struct {
CacheDir string
CachesInMem int
CachesOnDisk int
DatasetDir string
DatasetsInMem int
DatasetsOnDisk int
PowMode Mode
}
// Ethash is a consensus engine based on proot-of-work implementing the ethash
// algorithm.
type Ethash struct {
cachedir string // Data directory to store the verification caches
cachesinmem int // Number of caches to keep in memory
cachesondisk int // Number of caches to keep on disk
dagdir string // Data directory to store full mining datasets
dagsinmem int // Number of mining datasets to keep in memory
dagsondisk int // Number of mining datasets to keep on disk
config Config
caches map[uint64]*cache // In memory caches to avoid regenerating too often
fcache *cache // Pre-generated cache for the estimated future epoch
@ -342,10 +359,7 @@ type Ethash struct {
hashrate metrics.Meter // Meter tracking the average hashrate
// The fields below are hooks for testing
tester bool // Flag whether to use a smaller test dataset
shared *Ethash // Shared PoW verifier to avoid cache regeneration
fakeMode bool // Flag whether to disable PoW checking
fakeFull bool // Flag whether to disable all consensus rules
fakeFail uint64 // Block number which fails PoW check even in fake mode
fakeDelay time.Duration // Time delay to sleep for before returning from verify
@ -353,28 +367,23 @@ type Ethash struct {
}
// New creates a full sized ethash PoW scheme.
func New(cachedir string, cachesinmem, cachesondisk int, dagdir string, dagsinmem, dagsondisk int) *Ethash {
if cachesinmem <= 0 {
log.Warn("One ethash cache must always be in memory", "requested", cachesinmem)
cachesinmem = 1
func New(config Config) *Ethash {
if config.CachesInMem <= 0 {
log.Warn("One ethash cache must always be in memory", "requested", config.CachesInMem)
config.CachesInMem = 1
}
if cachedir != "" && cachesondisk > 0 {
log.Info("Disk storage enabled for ethash caches", "dir", cachedir, "count", cachesondisk)
if config.CacheDir != "" && config.CachesOnDisk > 0 {
log.Info("Disk storage enabled for ethash caches", "dir", config.CacheDir, "count", config.CachesOnDisk)
}
if dagdir != "" && dagsondisk > 0 {
log.Info("Disk storage enabled for ethash DAGs", "dir", dagdir, "count", dagsondisk)
if config.DatasetDir != "" && config.DatasetsOnDisk > 0 {
log.Info("Disk storage enabled for ethash DAGs", "dir", config.DatasetDir, "count", config.DatasetsOnDisk)
}
return &Ethash{
cachedir: cachedir,
cachesinmem: cachesinmem,
cachesondisk: cachesondisk,
dagdir: dagdir,
dagsinmem: dagsinmem,
dagsondisk: dagsondisk,
caches: make(map[uint64]*cache),
datasets: make(map[uint64]*dataset),
update: make(chan struct{}),
hashrate: metrics.NewMeter(),
config: config,
caches: make(map[uint64]*cache),
datasets: make(map[uint64]*dataset),
update: make(chan struct{}),
hashrate: metrics.NewMeter(),
}
}
@ -382,12 +391,14 @@ func New(cachedir string, cachesinmem, cachesondisk int, dagdir string, dagsinme
// purposes.
func NewTester() *Ethash {
return &Ethash{
cachesinmem: 1,
caches: make(map[uint64]*cache),
datasets: make(map[uint64]*dataset),
tester: true,
update: make(chan struct{}),
hashrate: metrics.NewMeter(),
config: Config{
CachesInMem: 1,
PowMode: ModeTest,
},
caches: make(map[uint64]*cache),
datasets: make(map[uint64]*dataset),
update: make(chan struct{}),
hashrate: metrics.NewMeter(),
}
}
@ -395,27 +406,45 @@ func NewTester() *Ethash {
// all blocks' seal as valid, though they still have to conform to the Ethereum
// consensus rules.
func NewFaker() *Ethash {
return &Ethash{fakeMode: true}
return &Ethash{
config: Config{
PowMode: ModeFake,
},
}
}
// NewFakeFailer creates a ethash consensus engine with a fake PoW scheme that
// accepts all blocks as valid apart from the single one specified, though they
// still have to conform to the Ethereum consensus rules.
func NewFakeFailer(fail uint64) *Ethash {
return &Ethash{fakeMode: true, fakeFail: fail}
return &Ethash{
config: Config{
PowMode: ModeFake,
},
fakeFail: fail,
}
}
// NewFakeDelayer creates a ethash consensus engine with a fake PoW scheme that
// accepts all blocks as valid, but delays verifications by some time, though
// they still have to conform to the Ethereum consensus rules.
func NewFakeDelayer(delay time.Duration) *Ethash {
return &Ethash{fakeMode: true, fakeDelay: delay}
return &Ethash{
config: Config{
PowMode: ModeFake,
},
fakeDelay: delay,
}
}
// NewFullFaker creates an ethash consensus engine with a full fake scheme that
// accepts all blocks as valid, without checking any consensus rules whatsoever.
func NewFullFaker() *Ethash {
return &Ethash{fakeMode: true, fakeFull: true}
return &Ethash{
config: Config{
PowMode: ModeFullFake,
},
}
}
// NewShared creates a full sized ethash PoW shared between all requesters running
@ -436,7 +465,7 @@ func (ethash *Ethash) cache(block uint64) []uint32 {
current, future := ethash.caches[epoch], (*cache)(nil)
if current == nil {
// No in-memory cache, evict the oldest if the cache limit was reached
for len(ethash.caches) > 0 && len(ethash.caches) >= ethash.cachesinmem {
for len(ethash.caches) > 0 && len(ethash.caches) >= ethash.config.CachesInMem {
var evict *cache
for _, cache := range ethash.caches {
if evict == nil || evict.used.After(cache.used) {
@ -473,7 +502,7 @@ func (ethash *Ethash) cache(block uint64) []uint32 {
ethash.lock.Unlock()
// Wait for generation finish, bump the timestamp and finalize the cache
current.generate(ethash.cachedir, ethash.cachesondisk, ethash.tester)
current.generate(ethash.config.CacheDir, ethash.config.CachesOnDisk, ethash.config.PowMode == ModeTest)
current.lock.Lock()
current.used = time.Now()
@ -481,7 +510,7 @@ func (ethash *Ethash) cache(block uint64) []uint32 {
// If we exhausted the future cache, now's a good time to regenerate it
if future != nil {
go future.generate(ethash.cachedir, ethash.cachesondisk, ethash.tester)
go future.generate(ethash.config.CacheDir, ethash.config.CachesOnDisk, ethash.config.PowMode == ModeTest)
}
return current.cache
}
@ -498,7 +527,7 @@ func (ethash *Ethash) dataset(block uint64) []uint32 {
current, future := ethash.datasets[epoch], (*dataset)(nil)
if current == nil {
// No in-memory dataset, evict the oldest if the dataset limit was reached
for len(ethash.datasets) > 0 && len(ethash.datasets) >= ethash.dagsinmem {
for len(ethash.datasets) > 0 && len(ethash.datasets) >= ethash.config.DatasetsInMem {
var evict *dataset
for _, dataset := range ethash.datasets {
if evict == nil || evict.used.After(dataset.used) {
@ -536,7 +565,7 @@ func (ethash *Ethash) dataset(block uint64) []uint32 {
ethash.lock.Unlock()
// Wait for generation finish, bump the timestamp and finalize the cache
current.generate(ethash.dagdir, ethash.dagsondisk, ethash.tester)
current.generate(ethash.config.DatasetDir, ethash.config.DatasetsOnDisk, ethash.config.PowMode == ModeTest)
current.lock.Lock()
current.used = time.Now()
@ -544,7 +573,7 @@ func (ethash *Ethash) dataset(block uint64) []uint32 {
// If we exhausted the future dataset, now's a good time to regenerate it
if future != nil {
go future.generate(ethash.dagdir, ethash.dagsondisk, ethash.tester)
go future.generate(ethash.config.DatasetDir, ethash.config.DatasetsOnDisk, ethash.config.PowMode == ModeTest)
}
return current.dataset
}

2
consensus/ethash/sealer.go
View File

@ -34,7 +34,7 @@ import (
// the block's difficulty requirements.
func (ethash *Ethash) Seal(chain consensus.ChainReader, block *types.Block, stop <-chan struct{}) (*types.Block, error) {
// If we're running a fake PoW, simply return a 0 nonce immediately
if ethash.fakeMode {
if ethash.config.PowMode == ModeFake || ethash.config.PowMode == ModeFullFake {
header := block.Header()
header.Nonce, header.MixDigest = types.BlockNonce{}, common.Hash{}
return block.WithSeal(header), nil

5
console/console_test.go
View File

@ -27,6 +27,7 @@ import (
"time"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/consensus/ethash"
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/eth"
"github.com/ethereum/go-ethereum/internal/jsre"
@ -96,7 +97,9 @@ func newTester(t *testing.T, confOverride func(*eth.Config)) *tester {
ethConf := &eth.Config{
Genesis: core.DeveloperGenesisBlock(15, common.Address{}),
Etherbase: common.HexToAddress(testAddress),
PowTest: true,
Ethash: ethash.Config{
PowMode: ethash.ModeTest,
},
}
if confOverride != nil {
confOverride(ethConf)

20
eth/backend.go
View File

@ -125,7 +125,7 @@ func New(ctx *node.ServiceContext, config *Config) (*Ethereum, error) {
chainConfig: chainConfig,
eventMux: ctx.EventMux,
accountManager: ctx.AccountManager,
engine: CreateConsensusEngine(ctx, config, chainConfig, chainDb),
engine: CreateConsensusEngine(ctx, &config.Ethash, chainConfig, chainDb),
shutdownChan: make(chan bool),
stopDbUpgrade: stopDbUpgrade,
networkId: config.NetworkId,
@ -209,25 +209,31 @@ 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, config *Config, chainConfig *params.ChainConfig, db ethdb.Database) consensus.Engine {
func CreateConsensusEngine(ctx *node.ServiceContext, config *ethash.Config, chainConfig *params.ChainConfig, db ethdb.Database) consensus.Engine {
// If proof-of-authority is requested, set it up
if chainConfig.Clique != nil {
return clique.New(chainConfig.Clique, db)
}
// Otherwise assume proof-of-work
switch {
case config.PowFake:
case config.PowMode == ethash.ModeFake:
log.Warn("Ethash used in fake mode")
return ethash.NewFaker()
case config.PowTest:
case config.PowMode == ethash.ModeTest:
log.Warn("Ethash used in test mode")
return ethash.NewTester()
case config.PowShared:
case config.PowMode == ethash.ModeShared:
log.Warn("Ethash used in shared mode")
return ethash.NewShared()
default:
engine := ethash.New(ctx.ResolvePath(config.EthashCacheDir), config.EthashCachesInMem, config.EthashCachesOnDisk,
config.EthashDatasetDir, config.EthashDatasetsInMem, config.EthashDatasetsOnDisk)
engine := ethash.New(ethash.Config{
CacheDir: ctx.ResolvePath(config.CacheDir),
CachesInMem: config.CachesInMem,
CachesOnDisk: config.CachesOnDisk,
DatasetDir: config.DatasetDir,
DatasetsInMem: config.DatasetsInMem,
DatasetsOnDisk: config.DatasetsOnDisk,
})
engine.SetThreads(-1) // Disable CPU mining
return engine
}

39
eth/config.go
View File

@ -25,6 +25,7 @@ import (
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/common/hexutil"
"github.com/ethereum/go-ethereum/consensus/ethash"
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/eth/downloader"
"github.com/ethereum/go-ethereum/eth/gasprice"
@ -33,16 +34,18 @@ import (
// DefaultConfig contains default settings for use on the Ethereum main net.
var DefaultConfig = Config{
SyncMode: downloader.FastSync,
EthashCacheDir: "ethash",
EthashCachesInMem: 2,
EthashCachesOnDisk: 3,
EthashDatasetsInMem: 1,
EthashDatasetsOnDisk: 2,
NetworkId: 1,
LightPeers: 20,
DatabaseCache: 128,
GasPrice: big.NewInt(18 * params.Shannon),
SyncMode: downloader.FastSync,
Ethash: ethash.Config{
CacheDir: "ethash",
CachesInMem: 2,
CachesOnDisk: 3,
DatasetsInMem: 1,
DatasetsOnDisk: 2,
},
NetworkId: 1,
LightPeers: 20,
DatabaseCache: 128,
GasPrice: big.NewInt(18 * params.Shannon),
TxPool: core.DefaultTxPoolConfig,
GPO: gasprice.Config{
@ -59,9 +62,9 @@ func init() {
}
}
if runtime.GOOS == "windows" {
DefaultConfig.EthashDatasetDir = filepath.Join(home, "AppData", "Ethash")
DefaultConfig.Ethash.DatasetDir = filepath.Join(home, "AppData", "Ethash")
} else {
DefaultConfig.EthashDatasetDir = filepath.Join(home, ".ethash")
DefaultConfig.Ethash.DatasetDir = filepath.Join(home, ".ethash")
}
}
@ -92,12 +95,7 @@ type Config struct {
GasPrice *big.Int
// Ethash options
EthashCacheDir string
EthashCachesInMem int
EthashCachesOnDisk int
EthashDatasetDir string
EthashDatasetsInMem int
EthashDatasetsOnDisk int
Ethash ethash.Config
// Transaction pool options
TxPool core.TxPoolConfig
@ -109,10 +107,7 @@ type Config struct {
EnablePreimageRecording bool
// Miscellaneous options
DocRoot string `toml:"-"`
PowFake bool `toml:"-"`
PowTest bool `toml:"-"`
PowShared bool `toml:"-"`
DocRoot string `toml:"-"`
}
type configMarshaling struct {

51
eth/gen_config.go
View File

@ -7,6 +7,7 @@ import (
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/common/hexutil"
"github.com/ethereum/go-ethereum/consensus/ethash"
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/eth/downloader"
"github.com/ethereum/go-ethereum/eth/gasprice"
@ -36,10 +37,8 @@ func (c Config) MarshalTOML() (interface{}, error) {
TxPool core.TxPoolConfig
GPO gasprice.Config
EnablePreimageRecording bool
DocRoot string `toml:"-"`
PowFake bool `toml:"-"`
PowTest bool `toml:"-"`
PowShared bool `toml:"-"`
DocRoot string `toml:"-"`
PowMode ethash.Mode `toml:"-"`
}
var enc Config
enc.Genesis = c.Genesis
@ -54,19 +53,17 @@ func (c Config) MarshalTOML() (interface{}, error) {
enc.MinerThreads = c.MinerThreads
enc.ExtraData = c.ExtraData
enc.GasPrice = c.GasPrice
enc.EthashCacheDir = c.EthashCacheDir
enc.EthashCachesInMem = c.EthashCachesInMem
enc.EthashCachesOnDisk = c.EthashCachesOnDisk
enc.EthashDatasetDir = c.EthashDatasetDir
enc.EthashDatasetsInMem = c.EthashDatasetsInMem
enc.EthashDatasetsOnDisk = c.EthashDatasetsOnDisk
enc.EthashCacheDir = c.Ethash.CacheDir
enc.EthashCachesInMem = c.Ethash.CachesInMem
enc.EthashCachesOnDisk = c.Ethash.CachesOnDisk
enc.EthashDatasetDir = c.Ethash.DatasetDir
enc.EthashDatasetsInMem = c.Ethash.DatasetsInMem
enc.EthashDatasetsOnDisk = c.Ethash.DatasetsOnDisk
enc.TxPool = c.TxPool
enc.GPO = c.GPO
enc.EnablePreimageRecording = c.EnablePreimageRecording
enc.DocRoot = c.DocRoot
enc.PowFake = c.PowFake
enc.PowTest = c.PowTest
enc.PowShared = c.PowShared
enc.PowMode = c.Ethash.PowMode
return &enc, nil
}
@ -94,10 +91,8 @@ func (c *Config) UnmarshalTOML(unmarshal func(interface{}) error) error {
TxPool *core.TxPoolConfig
GPO *gasprice.Config
EnablePreimageRecording *bool
DocRoot *string `toml:"-"`
PowFake *bool `toml:"-"`
PowTest *bool `toml:"-"`
PowShared *bool `toml:"-"`
DocRoot *string `toml:"-"`
PowMode *ethash.Mode `toml:"-"`
}
var dec Config
if err := unmarshal(&dec); err != nil {
@ -140,22 +135,22 @@ func (c *Config) UnmarshalTOML(unmarshal func(interface{}) error) error {
c.GasPrice = dec.GasPrice
}
if dec.EthashCacheDir != nil {
c.EthashCacheDir = *dec.EthashCacheDir
c.Ethash.CacheDir = *dec.EthashCacheDir
}
if dec.EthashCachesInMem != nil {
c.EthashCachesInMem = *dec.EthashCachesInMem
c.Ethash.CachesInMem = *dec.EthashCachesInMem
}
if dec.EthashCachesOnDisk != nil {
c.EthashCachesOnDisk = *dec.EthashCachesOnDisk
c.Ethash.CachesOnDisk = *dec.EthashCachesOnDisk
}
if dec.EthashDatasetDir != nil {
c.EthashDatasetDir = *dec.EthashDatasetDir
c.Ethash.DatasetDir = *dec.EthashDatasetDir
}
if dec.EthashDatasetsInMem != nil {
c.EthashDatasetsInMem = *dec.EthashDatasetsInMem
c.Ethash.DatasetsInMem = *dec.EthashDatasetsInMem
}
if dec.EthashDatasetsOnDisk != nil {
c.EthashDatasetsOnDisk = *dec.EthashDatasetsOnDisk
c.Ethash.DatasetsOnDisk = *dec.EthashDatasetsOnDisk
}
if dec.TxPool != nil {
c.TxPool = *dec.TxPool
@ -169,14 +164,8 @@ func (c *Config) UnmarshalTOML(unmarshal func(interface{}) error) error {
if dec.DocRoot != nil {
c.DocRoot = *dec.DocRoot
}
if dec.PowFake != nil {
c.PowFake = *dec.PowFake
}
if dec.PowTest != nil {
c.PowTest = *dec.PowTest
}
if dec.PowShared != nil {
c.PowShared = *dec.PowShared
if dec.PowMode != nil {
c.Ethash.PowMode = *dec.PowMode
}
return nil
}

2
les/backend.go
View File

@ -98,7 +98,7 @@ func New(ctx *node.ServiceContext, config *eth.Config) (*LightEthereum, error) {
peers: peers,
reqDist: newRequestDistributor(peers, quitSync),
accountManager: ctx.AccountManager,
engine: eth.CreateConsensusEngine(ctx, config, chainConfig, chainDb),
engine: eth.CreateConsensusEngine(ctx, &config.Ethash, chainConfig, chainDb),
shutdownChan: make(chan bool),
networkId: config.NetworkId,
bloomRequests: make(chan chan *bloombits.Retrieval),