aboutsummaryrefslogtreecommitdiffstats
path: root/eth/config.go
blob: 601f4735e33f10c5c86af2a2096e102c14823def (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
// Copyright 2017 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.

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 contains default settings for use on the Ethereum main net.
var DefaultConfig = Config{
    SyncMode: downloader.FastSync,
    Ethash: ethash.Config{
        CacheDir:       "ethash",
        CachesInMem:    2,
        CachesOnDisk:   3,
        DatasetsInMem:  1,
        DatasetsOnDisk: 2,
    },
    NetworkId:      1,
    LightPeers:     100,
    DatabaseCache:  512,
    TrieCleanCache: 256,
    TrieDirtyCache: 256,
    TrieTimeout:    60 * time.Minute,
    MinerGasFloor:  8000000,
    MinerGasCeil:   8000000,
    MinerGasPrice:  big.NewInt(params.GWei),
    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:generate gencodec -type Config -field-override configMarshaling -formats toml -out gen_config.go

type Config struct {
    // The genesis block, which is inserted if the database is empty.
    // If nil, the Ethereum main net block is used.
    Genesis *core.Genesis `toml:",omitempty"`

    // Protocol options
    NetworkId uint64 // Network ID to use for selecting peers to connect to
    SyncMode  downloader.SyncMode
    NoPruning bool

    // Light client options
    LightServ  int `toml:",omitempty"` // Maximum percentage of time allowed for serving LES requests
    LightPeers int `toml:",omitempty"` // Maximum number of LES client peers

    // Database options
    SkipBcVersionCheck bool `toml:"-"`
    DatabaseHandles    int  `toml:"-"`
    DatabaseCache      int
    TrieCleanCache     int
    TrieDirtyCache     int
    TrieTimeout        time.Duration

    // Mining-related options
    Etherbase      common.Address `toml:",omitempty"`
    MinerNotify    []string       `toml:",omitempty"`
    MinerExtraData []byte         `toml:",omitempty"`
    MinerGasFloor  uint64
    MinerGasCeil   uint64
    MinerGasPrice  *big.Int
    MinerRecommit  time.Duration
    MinerNoverify  bool

    // Ethash options
    Ethash ethash.Config

    // Transaction pool options
    TxPool core.TxPoolConfig

    // Gas Price Oracle options
    GPO gasprice.Config

    // Enables tracking of SHA3 preimages in the VM
    EnablePreimageRecording bool

    // Miscellaneous options
    DocRoot string `toml:"-"`

    // Type of the EWASM interpreter ("" for default)
    EWASMInterpreter string
    // Type of the EVM interpreter ("" for default)
    EVMInterpreter string
}

type configMarshaling struct {
    MinerExtraData hexutil.Bytes
}