122 lines
3.3 KiB
Go
122 lines
3.3 KiB
Go
// Copyright 2017 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package eth
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import (
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"math/big"
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"os"
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"os/user"
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"path/filepath"
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"runtime"
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"time"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/common/hexutil"
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"github.com/ethereum/go-ethereum/consensus/ethash"
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"github.com/ethereum/go-ethereum/core"
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"github.com/ethereum/go-ethereum/eth/downloader"
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"github.com/ethereum/go-ethereum/eth/gasprice"
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"github.com/ethereum/go-ethereum/params"
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)
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// DefaultConfig contains default settings for use on the Ethereum main net.
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var DefaultConfig = Config{
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SyncMode: downloader.FastSync,
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Ethash: ethash.Config{
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CacheDir: "ethash",
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CachesInMem: 2,
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CachesOnDisk: 3,
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DatasetsInMem: 1,
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DatasetsOnDisk: 2,
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},
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NetworkId: 1,
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LightPeers: 100,
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DatabaseCache: 768,
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TrieCache: 256,
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TrieTimeout: 60 * time.Minute,
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GasPrice: big.NewInt(18 * params.Shannon),
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TxPool: core.DefaultTxPoolConfig,
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GPO: gasprice.Config{
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Blocks: 20,
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Percentile: 60,
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},
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}
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func init() {
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home := os.Getenv("HOME")
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if home == "" {
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if user, err := user.Current(); err == nil {
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home = user.HomeDir
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}
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}
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if runtime.GOOS == "windows" {
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DefaultConfig.Ethash.DatasetDir = filepath.Join(home, "AppData", "Ethash")
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} else {
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DefaultConfig.Ethash.DatasetDir = filepath.Join(home, ".ethash")
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}
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}
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//go:generate gencodec -type Config -field-override configMarshaling -formats toml -out gen_config.go
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type Config struct {
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// The genesis block, which is inserted if the database is empty.
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// If nil, the Ethereum main net block is used.
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Genesis *core.Genesis `toml:",omitempty"`
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// Protocol options
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NetworkId uint64 // Network ID to use for selecting peers to connect to
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SyncMode downloader.SyncMode
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NoPruning bool
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// Light client options
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LightServ int `toml:",omitempty"` // Maximum percentage of time allowed for serving LES requests
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LightPeers int `toml:",omitempty"` // Maximum number of LES client peers
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// Database options
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SkipBcVersionCheck bool `toml:"-"`
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DatabaseHandles int `toml:"-"`
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DatabaseCache int
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TrieCache int
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TrieTimeout time.Duration
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// Mining-related options
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Etherbase common.Address `toml:",omitempty"`
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MinerThreads int `toml:",omitempty"`
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ExtraData []byte `toml:",omitempty"`
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GasPrice *big.Int
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// Ethash options
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Ethash ethash.Config
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// Transaction pool options
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TxPool core.TxPoolConfig
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// Gas Price Oracle options
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GPO gasprice.Config
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// Enables tracking of SHA3 preimages in the VM
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EnablePreimageRecording bool
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// Miscellaneous options
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DocRoot string `toml:"-"`
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}
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type configMarshaling struct {
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ExtraData hexutil.Bytes
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}
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