// 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 ( "errors" "math/big" "os" "os/user" "path/filepath" "runtime" "time" "github.com/ava-labs/coreth/core" "github.com/ava-labs/coreth/eth/gasprice" "github.com/ava-labs/coreth/miner" "github.com/ava-labs/go-ethereum/common" "github.com/ava-labs/go-ethereum/common/hexutil" "github.com/ava-labs/go-ethereum/consensus/ethash" "github.com/ava-labs/go-ethereum/eth/downloader" "github.com/ava-labs/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, UltraLightFraction: 75, DatabaseCache: 512, TrieCleanCache: 256, TrieDirtyCache: 256, TrieTimeout: 60 * time.Minute, Miner: miner.Config{ GasFloor: 8000000, GasCeil: 8000000, GasPrice: big.NewInt(params.GWei), Recommit: 3 * time.Second, }, TxPool: core.DefaultTxPoolConfig, GPO: gasprice.Config{ Blocks: 20, Percentile: 60, }, ManualCanonical: false, } func init() { home := os.Getenv("HOME") if home == "" { if user, err := user.Current(); err == nil { home = user.HomeDir } } if runtime.GOOS == "darwin" { DefaultConfig.Ethash.DatasetDir = filepath.Join(home, "Library", "Ethash") } else if runtime.GOOS == "windows" { localappdata := os.Getenv("LOCALAPPDATA") if localappdata != "" { DefaultConfig.Ethash.DatasetDir = filepath.Join(localappdata, "Ethash") } else { DefaultConfig.Ethash.DatasetDir = filepath.Join(home, "AppData", "Local", "Ethash") } } else { DefaultConfig.Ethash.DatasetDir = filepath.Join(home, ".ethash") } } //go:generate gencodec -type Config -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 // Whether to disable pruning and flush everything to disk NoPrefetch bool // Whether to disable prefetching and only load state on demand // Whitelist of required block number -> hash values to accept Whitelist map[uint64]common.Hash `toml:"-"` // Light client options LightServ int `toml:",omitempty"` // Maximum percentage of time allowed for serving LES requests LightIngress int `toml:",omitempty"` // Incoming bandwidth limit for light servers LightEgress int `toml:",omitempty"` // Outgoing bandwidth limit for light servers LightPeers int `toml:",omitempty"` // Maximum number of LES client peers // Ultra Light client options UltraLightServers []string `toml:",omitempty"` // List of trusted ultra light servers UltraLightFraction int `toml:",omitempty"` // Percentage of trusted servers to accept an announcement UltraLightOnlyAnnounce bool `toml:",omitempty"` // Whether to only announce headers, or also serve them // Database options SkipBcVersionCheck bool `toml:"-"` DatabaseHandles int `toml:"-"` DatabaseCache int DatabaseFreezer string TrieCleanCache int TrieDirtyCache int TrieTimeout time.Duration // Mining options Miner miner.Config // 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 // RPCGasCap is the global gas cap for eth-call variants. RPCGasCap *big.Int `toml:",omitempty"` // Checkpoint is a hardcoded checkpoint which can be nil. Checkpoint *params.TrustedCheckpoint `toml:",omitempty"` // CheckpointOracle is the configuration for checkpoint oracle. CheckpointOracle *params.CheckpointOracleConfig `toml:",omitempty"` // Istanbul block override (TODO: remove after the fork) OverrideIstanbul *big.Int // Manually select and grow the canonical chain ManualCanonical bool } func (cfg *Config) SetGCMode(gcmode string) error { switch gcmode { case "full": cfg.NoPruning = false case "archive": cfg.NoPruning = true default: return errors.New("invalid gcmode value") } return nil } func MyDefaultConfig() Config { config := DefaultConfig chainConfig := ¶ms.ChainConfig{ ChainID: big.NewInt(42222), HomesteadBlock: big.NewInt(0), DAOForkBlock: big.NewInt(0), DAOForkSupport: true, EIP150Block: big.NewInt(0), EIP150Hash: common.HexToHash("0x2086799aeebeae135c246c65021c82b4e15a2c451340993aacfd2751886514f0"), EIP155Block: big.NewInt(0), EIP158Block: big.NewInt(0), ByzantiumBlock: big.NewInt(0), ConstantinopleBlock: big.NewInt(0), PetersburgBlock: big.NewInt(0), IstanbulBlock: nil, Ethash: nil, } genBalance := big.NewInt(1000000000000000000) config.Genesis = &core.Genesis{ Config: chainConfig, Nonce: 0, Number: 0, ExtraData: hexutil.MustDecode("0x00"), GasLimit: 100000000, Difficulty: big.NewInt(0), Alloc: core.GenesisAlloc{common.Address{}: {Balance: genBalance}}, } return config }