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

* 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

1 files changed, 17 insertions, 22 deletions

diff --git a/eth/config.go b/eth/config.go
index 7bcfd403e..383cd6783 100644
--- a/eth/config.go
+++ b/eth/config.go
@@ -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 {