github.com/ebakus/go-ebakus@v1.0.5-0.20200520105415-dbccef9ec421/eth/config.go (about)

     1  // Copyright 2019 The ebakus/go-ebakus Authors
     2  // This file is part of the ebakus/go-ebakus library.
     3  //
     4  // The ebakus/go-ebakus 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 ebakus/go-ebakus 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 ebakus/go-ebakus 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  	"time"
    24  
    25  	"github.com/ebakus/go-ebakus/common"
    26  	"github.com/ebakus/go-ebakus/core"
    27  	"github.com/ebakus/go-ebakus/core/types"
    28  	"github.com/ebakus/go-ebakus/eth/downloader"
    29  	"github.com/ebakus/go-ebakus/eth/gasprice"
    30  	"github.com/ebakus/go-ebakus/miner"
    31  	"github.com/ebakus/go-ebakus/params"
    32  )
    33  
    34  // DefaultConfig contains default settings for use on the Ebakus main net.
    35  var DefaultConfig = Config{
    36  	SyncMode:                   downloader.FullSync,
    37  	DPOS:                       *params.MainnetDPOSConfig,
    38  	NetworkId:                  params.MainnetChainConfig.ChainID.Uint64(),
    39  	LightPeers:                 100,
    40  	UltraLightFraction:         75,
    41  	DatabaseCache:              768,
    42  	TrieCleanCache:             256,
    43  	TrieDirtyCache:             256,
    44  	TrieTimeout:                60 * time.Minute,
    45  	EbakusdbMaxActiveIterators: 1000,
    46  	Miner: miner.Config{
    47  		GasFloor: 80000000,
    48  		GasCeil:  160000000,
    49  		GasPrice: types.MinimumTargetDifficulty,
    50  		Recommit: 3 * time.Second,
    51  	},
    52  	TxPool: core.DefaultTxPoolConfig,
    53  	GPO: gasprice.Config{
    54  		Blocks:     20,
    55  		Percentile: 60,
    56  	},
    57  }
    58  
    59  func init() {
    60  	home := os.Getenv("HOME")
    61  	if home == "" {
    62  		if user, err := user.Current(); err == nil {
    63  			home = user.HomeDir
    64  		}
    65  	}
    66  }
    67  
    68  //go:generate gencodec -type Config -formats toml -out gen_config.go
    69  
    70  type Config struct {
    71  	// The genesis block, which is inserted if the database is empty.
    72  	// If nil, the Ebakus main net block is used.
    73  	Genesis *core.Genesis `toml:",omitempty"`
    74  
    75  	// Protocol options
    76  	NetworkId uint64 // Network ID to use for selecting peers to connect to
    77  	SyncMode  downloader.SyncMode
    78  
    79  	NoPruning  bool // Whether to disable pruning and flush everything to disk
    80  	NoPrefetch bool // Whether to disable prefetching and only load state on demand
    81  
    82  	// Whitelist of required block number -> hash values to accept
    83  	Whitelist map[uint64]common.Hash `toml:"-"`
    84  
    85  	// Light client options
    86  	LightServ    int `toml:",omitempty"` // Maximum percentage of time allowed for serving LES requests
    87  	LightIngress int `toml:",omitempty"` // Incoming bandwidth limit for light servers
    88  	LightEgress  int `toml:",omitempty"` // Outgoing bandwidth limit for light servers
    89  	LightPeers   int `toml:",omitempty"` // Maximum number of LES client peers
    90  
    91  	// Ultra Light client options
    92  	UltraLightServers      []string `toml:",omitempty"` // List of trusted ultra light servers
    93  	UltraLightFraction     int      `toml:",omitempty"` // Percentage of trusted servers to accept an announcement
    94  	UltraLightOnlyAnnounce bool     `toml:",omitempty"` // Whether to only announce headers, or also serve them
    95  
    96  	// Database options
    97  	SkipBcVersionCheck bool `toml:"-"`
    98  	DatabaseHandles    int  `toml:"-"`
    99  	DatabaseCache      int
   100  	DatabaseFreezer    string
   101  
   102  	TrieCleanCache int
   103  	TrieDirtyCache int
   104  	TrieTimeout    time.Duration
   105  
   106  	EbakusdbMaxActiveIterators uint64 // Maximum number of ebakusDb iterators to retain in memory for RPC APIs
   107  
   108  	// Mining options
   109  	Miner miner.Config
   110  
   111  	// DPOS options
   112  	DPOS params.DPOSConfig
   113  
   114  	// Transaction pool options
   115  	TxPool core.TxPoolConfig
   116  
   117  	// Gas Price Oracle options
   118  	GPO gasprice.Config
   119  
   120  	// Enables tracking of SHA3 preimages in the VM
   121  	EnablePreimageRecording bool
   122  
   123  	// Miscellaneous options
   124  	DocRoot string `toml:"-"`
   125  
   126  	// Type of the EWASM interpreter ("" for default)
   127  	EWASMInterpreter string
   128  
   129  	// Type of the EVM interpreter ("" for default)
   130  	EVMInterpreter string
   131  
   132  	// RPCGasCap is the global gas cap for eth-call variants.
   133  	RPCGasCap *big.Int `toml:",omitempty"`
   134  
   135  	// Checkpoint is a hardcoded checkpoint which can be nil.
   136  	Checkpoint *params.TrustedCheckpoint `toml:",omitempty"`
   137  
   138  	// CheckpointOracle is the configuration for checkpoint oracle.
   139  	CheckpointOracle *params.CheckpointOracleConfig `toml:",omitempty"`
   140  
   141  	// Istanbul block override (TODO: remove after the fork)
   142  	OverrideIstanbul *big.Int
   143  }