github.com/Debrief-BC/go-debrief@v0.0.0-20200420203408-0c26ca968123/eth/config.go (about) 1 // Copyright 2017 The go-ethereum Authors 2 // This file is part of the go-ethereum library. 3 // 4 // The go-ethereum 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-ethereum 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-ethereum 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/Debrief-BC/go-debrief/common" 28 "github.com/Debrief-BC/go-debrief/consensus/ethash" 29 "github.com/Debrief-BC/go-debrief/core" 30 "github.com/Debrief-BC/go-debrief/eth/downloader" 31 "github.com/Debrief-BC/go-debrief/eth/gasprice" 32 "github.com/Debrief-BC/go-debrief/miner" 33 "github.com/Debrief-BC/go-debrief/params" 34 ) 35 36 // DefaultConfig contains default settings for use on the Ethereum main net. 37 var DefaultConfig = Config{ 38 SyncMode: downloader.FullSync, 39 Ethash: ethash.Config{ 40 CacheDir: "ethash", 41 CachesInMem: 2, 42 CachesOnDisk: 3, 43 CachesLockMmap: false, 44 DatasetsInMem: 1, 45 DatasetsOnDisk: 2, 46 DatasetsLockMmap: false, 47 }, 48 NetworkId: 3839, 49 LightPeers: 100, 50 UltraLightFraction: 75, 51 DatabaseCache: 512, 52 TrieCleanCache: 256, 53 TrieDirtyCache: 256, 54 TrieTimeout: 60 * time.Minute, 55 SnapshotCache: 256, 56 Miner: miner.Config{ 57 GasFloor: 8000000, 58 GasCeil: 8000000, 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 } 68 69 func init() { 70 home := os.Getenv("HOME") 71 if home == "" { 72 if user, err := user.Current(); err == nil { 73 home = user.HomeDir 74 } 75 } 76 if runtime.GOOS == "darwin" { 77 DefaultConfig.Ethash.DatasetDir = filepath.Join(home, "Library", "Ethash") 78 } else if runtime.GOOS == "windows" { 79 localappdata := os.Getenv("LOCALAPPDATA") 80 if localappdata != "" { 81 DefaultConfig.Ethash.DatasetDir = filepath.Join(localappdata, "Ethash") 82 } else { 83 DefaultConfig.Ethash.DatasetDir = filepath.Join(home, "AppData", "Local", "Ethash") 84 } 85 } else { 86 DefaultConfig.Ethash.DatasetDir = filepath.Join(home, ".ethash") 87 } 88 } 89 90 //go:generate gencodec -type Config -formats toml -out gen_config.go 91 92 type Config struct { 93 // The genesis block, which is inserted if the database is empty. 94 // If nil, the Ethereum main net block is used. 95 Genesis *core.Genesis `toml:",omitempty"` 96 97 // Protocol options 98 NetworkId uint64 // Network ID to use for selecting peers to connect to 99 SyncMode downloader.SyncMode 100 101 // This can be set to list of enrtree:// URLs which will be queried for 102 // for nodes to connect to. 103 DiscoveryURLs []string 104 105 NoPruning bool // Whether to disable pruning and flush everything to disk 106 NoPrefetch bool // Whether to disable prefetching and only load state on demand 107 108 // Whitelist of required block number -> hash values to accept 109 Whitelist map[uint64]common.Hash `toml:"-"` 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 SnapshotCache int 132 133 // Mining options 134 Miner miner.Config 135 136 // Ethash options 137 Ethash ethash.Config 138 139 // Transaction pool options 140 TxPool core.TxPoolConfig 141 142 // Gas Price Oracle options 143 GPO gasprice.Config 144 145 // Enables tracking of SHA3 preimages in the VM 146 EnablePreimageRecording bool 147 148 // Miscellaneous options 149 DocRoot string `toml:"-"` 150 151 // Type of the EWASM interpreter ("" for default) 152 EWASMInterpreter string 153 154 // Type of the EVM interpreter ("" for default) 155 EVMInterpreter string 156 157 // RPCGasCap is the global gas cap for eth-call variants. 158 RPCGasCap *big.Int `toml:",omitempty"` 159 160 // Checkpoint is a hardcoded checkpoint which can be nil. 161 Checkpoint *params.TrustedCheckpoint `toml:",omitempty"` 162 163 // CheckpointOracle is the configuration for checkpoint oracle. 164 CheckpointOracle *params.CheckpointOracleConfig `toml:",omitempty"` 165 166 // Istanbul block override (TODO: remove after the fork) 167 OverrideIstanbul *big.Int `toml:",omitempty"` 168 169 // MuirGlacier block override (TODO: remove after the fork) 170 OverrideMuirGlacier *big.Int `toml:",omitempty"` 171 }