github.com/bigzoro/my_simplechain@v0.0.0-20240315012955-8ad0a2a29bb9/eth/config.go (about)

     1  // Copyright 2017 The go-simplechain Authors
     2  // This file is part of the go-simplechain library.
     3  //
     4  // The go-simplechain library is free software: you can redistribute it and/or modify
     5  // it under the terms of the GNU Lesser General Public License as published by
     6  // the Free Software Foundation, either version 3 of the License, or
     7  // (at your option) any later version.
     8  //
     9  // The go-simplechain library is distributed in the hope that it will be useful,
    10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    12  // GNU Lesser General Public License for more details.
    13  //
    14  // You should have received a copy of the GNU Lesser General Public License
    15  // along with the go-simplechain library. If not, see <http://www.gnu.org/licenses/>.
    16  
    17  package eth
    18  
    19  import (
    20  	"math/big"
    21  	"os"
    22  	"os/user"
    23  	"path/filepath"
    24  	"runtime"
    25  	"time"
    26  
    27  	"github.com/bigzoro/my_simplechain/consensus/hotstuff"
    28  	"github.com/bigzoro/my_simplechain/consensus/pbft"
    29  
    30  	"github.com/bigzoro/my_simplechain/common"
    31  	"github.com/bigzoro/my_simplechain/consensus/ethash"
    32  	"github.com/bigzoro/my_simplechain/core"
    33  	"github.com/bigzoro/my_simplechain/eth/downloader"
    34  	"github.com/bigzoro/my_simplechain/eth/gasprice"
    35  	"github.com/bigzoro/my_simplechain/miner"
    36  	"github.com/bigzoro/my_simplechain/params"
    37  )
    38  
    39  // DefaultConfig contains default settings for use on the SimpleService main net.
    40  var DefaultConfig = Config{
    41  	SyncMode: downloader.FastSync,
    42  	Ethash: ethash.Config{
    43  		CacheDir:       "ethash",
    44  		CachesInMem:    2,
    45  		CachesOnDisk:   3,
    46  		DatasetsInMem:  1,
    47  		DatasetsOnDisk: 2,
    48  	},
    49  	NetworkId:          1,
    50  	LightPeers:         100,
    51  	UltraLightFraction: 75,
    52  	DatabaseCache:      512,
    53  	TrieCleanCache:     256,
    54  	TrieDirtyCache:     256,
    55  	TrieTimeout:        60 * time.Minute,
    56  	Miner: miner.Config{
    57  		GasFloor: 238000000,
    58  		GasCeil:  238000000,
    59  		GasPrice: big.NewInt(params.GWei),
    60  		Recommit: 3 * time.Second,
    61  	},
    62  	TxPool: core.DefaultTxPoolConfig,
    63  	GPO: gasprice.Config{
    64  		Blocks:     20,
    65  		Percentile: 60,
    66  	},
    67  	Pbft: *pbft.DefaultConfig,
    68  }
    69  
    70  func init() {
    71  	home := os.Getenv("HOME")
    72  	if home == "" {
    73  		if user, err := user.Current(); err == nil {
    74  			home = user.HomeDir
    75  		}
    76  	}
    77  	if runtime.GOOS == "darwin" {
    78  		DefaultConfig.Ethash.DatasetDir = filepath.Join(home, "Library", "Ethash")
    79  	} else if runtime.GOOS == "windows" {
    80  		localappdata := os.Getenv("LOCALAPPDATA")
    81  		if localappdata != "" {
    82  			DefaultConfig.Ethash.DatasetDir = filepath.Join(localappdata, "Ethash")
    83  		} else {
    84  			DefaultConfig.Ethash.DatasetDir = filepath.Join(home, "AppData", "Local", "Ethash")
    85  		}
    86  	} else {
    87  		DefaultConfig.Ethash.DatasetDir = filepath.Join(home, ".ethash")
    88  	}
    89  }
    90  
    91  //go:generate gencodec -type Config -formats toml -out gen_config.go
    92  
    93  type Config struct {
    94  	// The genesis block, which is inserted if the database is empty.
    95  	// If nil, the SimpleService main net block is used.
    96  	Genesis *core.Genesis `toml:",omitempty"`
    97  
    98  	// Protocol options
    99  	NetworkId uint64 // Network ID to use for selecting peers to connect to
   100  	SyncMode  downloader.SyncMode
   101  
   102  	NoPruning  bool // Whether to disable pruning and flush everything to disk
   103  	NoPrefetch bool // Whether to disable prefetching and only load state on demand
   104  
   105  	// Whitelist of required block number -> hash values to accept
   106  	Whitelist map[uint64]common.Hash `toml:"-"`
   107  
   108  	// Pbft options
   109  	Pbft pbft.Config
   110  
   111  	// Light client options
   112  	LightServ    int `toml:",omitempty"` // Maximum percentage of time allowed for serving LES requests
   113  	LightIngress int `toml:",omitempty"` // Incoming bandwidth limit for light servers
   114  	LightEgress  int `toml:",omitempty"` // Outgoing bandwidth limit for light servers
   115  	LightPeers   int `toml:",omitempty"` // Maximum number of LES client peers
   116  
   117  	// Ultra Light client options
   118  	UltraLightServers      []string `toml:",omitempty"` // List of trusted ultra light servers
   119  	UltraLightFraction     int      `toml:",omitempty"` // Percentage of trusted servers to accept an announcement
   120  	UltraLightOnlyAnnounce bool     `toml:",omitempty"` // Whether to only announce headers, or also serve them
   121  
   122  	// Database options
   123  	SkipBcVersionCheck bool `toml:"-"`
   124  	DatabaseHandles    int  `toml:"-"`
   125  	DatabaseCache      int
   126  	DatabaseFreezer    string
   127  
   128  	TrieCleanCache int
   129  	TrieDirtyCache int
   130  	TrieTimeout    time.Duration
   131  
   132  	// Mining options
   133  	Miner miner.Config
   134  
   135  	// Ethash options
   136  	Ethash ethash.Config
   137  
   138  	// Transaction pool options
   139  	TxPool core.TxPoolConfig
   140  
   141  	// Gas Price Oracle options
   142  	GPO gasprice.Config
   143  
   144  	// Enables tracking of SHA3 preimages in the VM
   145  	EnablePreimageRecording bool
   146  
   147  	// Miscellaneous options
   148  	DocRoot string `toml:"-"`
   149  
   150  	// Type of the EWASM interpreter ("" for default)
   151  	EWASMInterpreter string
   152  
   153  	// Type of the EVM interpreter ("" for default)
   154  	EVMInterpreter string
   155  
   156  	// RPCGasCap is the global gas cap for eth-call variants.
   157  	RPCGasCap *big.Int `toml:",omitempty"`
   158  
   159  	// Checkpoint is a hardcoded checkpoint which can be nil.
   160  	Checkpoint *params.TrustedCheckpoint `toml:",omitempty"`
   161  
   162  	// CheckpointOracle is the configuration for checkpoint oracle.
   163  	CheckpointOracle *params.CheckpointOracleConfig `toml:",omitempty"`
   164  
   165  	// Singularity block override (TODO: remove after the fork)
   166  	OverrideSingularity *big.Int
   167  
   168  	NeedCheckPermission bool
   169  
   170  	// hotstuff config
   171  	Hotstuff hotstuff.Config
   172  }