github.com/linapex/ethereum-go-chinese@v0.0.0-20190316121929-f8b7a73c3fa1/eth/config.go (about)

     1  
     2  //<developer>
     3  //    <name>linapex 曹一峰</name>
     4  //    <email>linapex@163.com</email>
     5  //    <wx>superexc</wx>
     6  //    <qqgroup>128148617</qqgroup>
     7  //    <url>https://jsq.ink</url>
     8  //    <role>pku engineer</role>
     9  //    <date>2019-03-16 19:16:37</date>
    10  //</624450087807881216>
    11  
    12  
    13  package eth
    14  
    15  import (
    16  	"math/big"
    17  	"os"
    18  	"os/user"
    19  	"path/filepath"
    20  	"runtime"
    21  	"time"
    22  
    23  	"github.com/ethereum/go-ethereum/common"
    24  	"github.com/ethereum/go-ethereum/common/hexutil"
    25  	"github.com/ethereum/go-ethereum/consensus/ethash"
    26  	"github.com/ethereum/go-ethereum/core"
    27  	"github.com/ethereum/go-ethereum/eth/downloader"
    28  	"github.com/ethereum/go-ethereum/eth/gasprice"
    29  	"github.com/ethereum/go-ethereum/params"
    30  )
    31  
    32  //defaultconfig包含在以太坊主网上使用的默认设置。
    33  var DefaultConfig = Config{
    34  	SyncMode: downloader.FastSync,
    35  	Ethash: ethash.Config{
    36  		CacheDir:       "ethash",
    37  		CachesInMem:    2,
    38  		CachesOnDisk:   3,
    39  		DatasetsInMem:  1,
    40  		DatasetsOnDisk: 2,
    41  	},
    42  	NetworkId:      1,
    43  	LightPeers:     100,
    44  	DatabaseCache:  512,
    45  	TrieCleanCache: 256,
    46  	TrieDirtyCache: 256,
    47  	TrieTimeout:    60 * time.Minute,
    48  	MinerGasFloor:  8000000,
    49  	MinerGasCeil:   8000000,
    50  	MinerGasPrice:  big.NewInt(params.GWei),
    51  	MinerRecommit:  3 * time.Second,
    52  
    53  	TxPool: core.DefaultTxPoolConfig,
    54  	GPO: gasprice.Config{
    55  		Blocks:     20,
    56  		Percentile: 60,
    57  	},
    58  }
    59  
    60  func init() {
    61  	home := os.Getenv("HOME")
    62  	if home == "" {
    63  		if user, err := user.Current(); err == nil {
    64  			home = user.HomeDir
    65  		}
    66  	}
    67  	if runtime.GOOS == "windows" {
    68  		DefaultConfig.Ethash.DatasetDir = filepath.Join(home, "AppData", "Ethash")
    69  	} else {
    70  		DefaultConfig.Ethash.DatasetDir = filepath.Join(home, ".ethash")
    71  	}
    72  }
    73  
    74  //go:生成gencodec-type config-field override configmarshaling-formats toml-out gen_config.go
    75  
    76  type Config struct {
    77  //如果数据库为空，则插入Genesis块。
    78  //如果为零，则使用以太坊主网块。
    79  	Genesis *core.Genesis `toml:",omitempty"`
    80  
    81  //协议选项
    82  NetworkId uint64 //Network ID to use for selecting peers to connect to
    83  	SyncMode  downloader.SyncMode
    84  	NoPruning bool
    85  
    86  //所需块号的白名单->要接受的哈希值
    87  	Whitelist map[uint64]common.Hash `toml:"-"`
    88  
    89  //轻客户端选项
    90  LightServ  int `toml:",omitempty"` //允许LES请求的最大时间百分比
    91  LightPeers int `toml:",omitempty"` //最大LES客户端对等数
    92  
    93  //数据库选项
    94  	SkipBcVersionCheck bool `toml:"-"`
    95  	DatabaseHandles    int  `toml:"-"`
    96  	DatabaseCache      int
    97  	TrieCleanCache     int
    98  	TrieDirtyCache     int
    99  	TrieTimeout        time.Duration
   100  
   101  //Mining-related options
   102  	Etherbase      common.Address `toml:",omitempty"`
   103  	MinerNotify    []string       `toml:",omitempty"`
   104  	MinerExtraData []byte         `toml:",omitempty"`
   105  	MinerGasFloor  uint64
   106  	MinerGasCeil   uint64
   107  	MinerGasPrice  *big.Int
   108  	MinerRecommit  time.Duration
   109  	MinerNoverify  bool
   110  
   111  //乙烯利选项
   112  	Ethash ethash.Config
   113  
   114  //事务池选项
   115  	TxPool core.TxPoolConfig
   116  
   117  //天然气价格Oracle选项
   118  	GPO gasprice.Config
   119  
   120  //允许跟踪虚拟机中的sha3 preimages
   121  	EnablePreimageRecording bool
   122  
   123  //其他选项
   124  	DocRoot string `toml:"-"`
   125  
   126  //ewasm解释器的类型（默认为（“”））
   127  	EWASMInterpreter string
   128  
   129  //Type of the EVM interpreter ("" for default)
   130  	EVMInterpreter string
   131  
   132  //君士坦丁堡区块覆盖（TODO:在分叉后移除）
   133  	ConstantinopleOverride *big.Int
   134  }
   135  
   136  type configMarshaling struct {
   137  	MinerExtraData hexutil.Bytes
   138  }
   139