github.com/shyftnetwork/go-empyrean@v1.8.3-0.20191127201940-fbfca9338f04/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/ShyftNetwork/go-empyrean/common" 28 "github.com/ShyftNetwork/go-empyrean/common/hexutil" 29 "github.com/ShyftNetwork/go-empyrean/consensus/ethash" 30 "github.com/ShyftNetwork/go-empyrean/core" 31 "github.com/ShyftNetwork/go-empyrean/eth/downloader" 32 "github.com/ShyftNetwork/go-empyrean/eth/gasprice" 33 "github.com/ShyftNetwork/go-empyrean/params" 34 ) 35 36 // DefaultConfig contains default settings for use on the Ethereum main net. 37 var DefaultConfig = Config{ 38 SyncMode: downloader.FastSync, 39 Ethash: ethash.Config{ 40 CacheDir: "ethash", 41 CachesInMem: 2, 42 CachesOnDisk: 3, 43 DatasetsInMem: 1, 44 DatasetsOnDisk: 2, 45 }, 46 NetworkId: 1, 47 LightPeers: 100, 48 DatabaseCache: 512, 49 TrieCleanCache: 256, 50 TrieDirtyCache: 256, 51 Postgres: true, 52 TrieTimeout: 60 * time.Minute, 53 MinerGasFloor: 8000000, 54 MinerGasCeil: 8000000, 55 MinerGasPrice: big.NewInt(params.GWei), 56 MinerRecommit: 3 * time.Second, 57 TxPool: core.DefaultTxPoolConfig, 58 GPO: gasprice.Config{ 59 Blocks: 20, 60 Percentile: 60, 61 }, 62 } 63 64 func init() { 65 home := os.Getenv("HOME") 66 if home == "" { 67 if user, err := user.Current(); err == nil { 68 home = user.HomeDir 69 } 70 } 71 if runtime.GOOS == "windows" { 72 DefaultConfig.Ethash.DatasetDir = filepath.Join(home, "AppData", "Ethash") 73 } else { 74 DefaultConfig.Ethash.DatasetDir = filepath.Join(home, ".ethash") 75 } 76 } 77 78 //go:generate gencodec -type Config -field-override configMarshaling -formats toml -out gen_config.go 79 80 type Config struct { 81 // The genesis block, which is inserted if the database is empty. 82 // If nil, the Ethereum main net block is used. 83 Genesis *core.Genesis `toml:",omitempty"` 84 // Protocol options 85 NetworkId uint64 // Network ID to use for selecting peers to connect to 86 SyncMode downloader.SyncMode 87 NoPruning bool 88 89 // Whitelist of required block number -> hash values to accept 90 Whitelist map[uint64]common.Hash `toml:"-"` 91 92 // Light client options 93 LightServ int `toml:",omitempty"` // Maximum percentage of time allowed for serving LES requests 94 LightPeers int `toml:",omitempty"` // Maximum number of LES client peers 95 96 // Database options 97 SkipBcVersionCheck bool `toml:"-"` 98 DatabaseHandles int `toml:"-"` 99 DatabaseCache int 100 TrieCleanCache int 101 TrieDirtyCache int 102 TrieTimeout time.Duration 103 Postgres bool 104 // Mining-related options 105 Etherbase common.Address `toml:",omitempty"` 106 MinerNotify []string `toml:",omitempty"` 107 MinerExtraData []byte `toml:",omitempty"` 108 MinerGasFloor uint64 109 MinerGasCeil uint64 110 MinerGasPrice *big.Int 111 MinerRecommit time.Duration 112 MinerNoverify bool 113 114 // Ethash options 115 Ethash ethash.Config 116 117 // Transaction pool options 118 TxPool core.TxPoolConfig 119 120 // Gas Price Oracle options 121 GPO gasprice.Config 122 123 // Enables tracking of SHA3 preimages in the VM 124 EnablePreimageRecording bool 125 126 // Miscellaneous options 127 DocRoot string `toml:"-"` 128 129 // Type of the EWASM interpreter ("" for default) 130 EWASMInterpreter string 131 132 // Type of the EVM interpreter ("" for default) 133 EVMInterpreter string 134 135 // Constantinople block override (TODO: remove after the fork) 136 ConstantinopleOverride *big.Int 137 } 138 139 type configMarshaling struct { 140 MinerExtraData hexutil.Bytes 141 }