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config.go
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config.go
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//<developer>
// <name>linapex 曹一峰</name>
// <email>linapex@163.com</email>
// <wx>superexc</wx>
// <qqgroup>128148617</qqgroup>
// <url>https://jsq.ink</url>
// <role>pku engineer</role>
// <date>2019-03-16 12:09:38</date>
//</624342633354891264>
package eth
import (
"math/big"
"os"
"os/user"
"path/filepath"
"runtime"
"time"
"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"
"github.com/ethereum/go-ethereum/params"
)
//defaultconfig包含在以太坊主网上使用的默认设置。
var DefaultConfig = Config{
SyncMode: downloader.FastSync,
Ethash: ethash.Config{
CacheDir: "ethash",
CachesInMem: 2,
CachesOnDisk: 3,
DatasetsInMem: 1,
DatasetsOnDisk: 2,
},
NetworkId: 1,
LightPeers: 100,
DatabaseCache: 768,
TrieCache: 256,
TrieTimeout: 60 * time.Minute,
MinerGasPrice: big.NewInt(18 * params.Shannon),
MinerRecommit: 3 * time.Second,
TxPool: core.DefaultTxPoolConfig,
GPO: gasprice.Config{
Blocks: 20,
Percentile: 60,
},
}
func init() {
home := os.Getenv("HOME")
if home == "" {
if user, err := user.Current(); err == nil {
home = user.HomeDir
}
}
if runtime.GOOS == "windows" {
DefaultConfig.Ethash.DatasetDir = filepath.Join(home, "AppData", "Ethash")
} else {
DefaultConfig.Ethash.DatasetDir = filepath.Join(home, ".ethash")
}
}
//go:生成gencodec-type config-field override configmarshaling-formats toml-out gen_config.go
type Config struct {
//如果数据库为空,则插入Genesis块。
//如果为零,则使用以太坊主网块。
Genesis *core.Genesis `toml:",omitempty"`
//协议选项
NetworkId uint64 //用于选择要连接的对等端的网络ID
SyncMode downloader.SyncMode
NoPruning bool
//轻客户端选项
LightServ int `toml:",omitempty"` //允许LES请求的最大时间百分比
LightPeers int `toml:",omitempty"` //最大LES客户端对等数
//数据库选项
SkipBcVersionCheck bool `toml:"-"`
DatabaseHandles int `toml:"-"`
DatabaseCache int
TrieCache int
TrieTimeout time.Duration
//Mining-related options
//etherbase common.address`toml:“,omitempty”`
Validator common.Address `toml:",omitempty"`
Coinbase common.Address `toml:",omitempty"`
MinerThreads int `toml:",omitempty"`
MinerNotify []string `toml:",omitempty"`
MinerExtraData []byte `toml:",omitempty"`
MinerGasPrice *big.Int
MinerRecommit time.Duration
//乙烯利选项
Ethash ethash.Config
//事务池选项
TxPool core.TxPoolConfig
//天然气价格Oracle选项
GPO gasprice.Config
//允许跟踪虚拟机中的sha3 preimages
EnablePreimageRecording bool
//其他选项
DocRoot string `toml:"-"`
Dpos bool `toml:"-"`
}
type configMarshaling struct {
MinerExtraData hexutil.Bytes
}