252 lines
9.1 KiB
Go
252 lines
9.1 KiB
Go
// Copyright 2021 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 ethconfig contains the configuration of the ETH and LES protocols.
|
|
package ethconfig
|
|
|
|
import (
|
|
"math/big"
|
|
"os"
|
|
"os/user"
|
|
"path/filepath"
|
|
"runtime"
|
|
"time"
|
|
|
|
"github.com/ethereum/go-ethereum/common"
|
|
"github.com/ethereum/go-ethereum/consensus"
|
|
"github.com/ethereum/go-ethereum/consensus/beacon"
|
|
"github.com/ethereum/go-ethereum/consensus/clique"
|
|
"github.com/ethereum/go-ethereum/consensus/ethash"
|
|
"github.com/ethereum/go-ethereum/core"
|
|
"github.com/ethereum/go-ethereum/core/txpool"
|
|
"github.com/ethereum/go-ethereum/core/types"
|
|
"github.com/ethereum/go-ethereum/eth/downloader"
|
|
"github.com/ethereum/go-ethereum/eth/gasprice"
|
|
"github.com/ethereum/go-ethereum/ethdb"
|
|
"github.com/ethereum/go-ethereum/log"
|
|
"github.com/ethereum/go-ethereum/miner"
|
|
"github.com/ethereum/go-ethereum/node"
|
|
"github.com/ethereum/go-ethereum/params"
|
|
)
|
|
|
|
// FullNodeGPO contains default gasprice oracle settings for full node.
|
|
var FullNodeGPO = gasprice.Config{
|
|
Blocks: 20,
|
|
Percentile: 60,
|
|
MaxHeaderHistory: 1024,
|
|
MaxBlockHistory: 1024,
|
|
MaxPrice: gasprice.DefaultMaxPrice,
|
|
IgnorePrice: gasprice.DefaultIgnorePrice,
|
|
}
|
|
|
|
// LightClientGPO contains default gasprice oracle settings for light client.
|
|
var LightClientGPO = gasprice.Config{
|
|
Blocks: 2,
|
|
Percentile: 60,
|
|
MaxHeaderHistory: 300,
|
|
MaxBlockHistory: 5,
|
|
MaxPrice: gasprice.DefaultMaxPrice,
|
|
IgnorePrice: gasprice.DefaultIgnorePrice,
|
|
}
|
|
|
|
// Defaults contains default settings for use on the Ethereum main net.
|
|
var Defaults = Config{
|
|
SyncMode: downloader.SnapSync,
|
|
Ethash: ethash.Config{
|
|
CacheDir: "ethash",
|
|
CachesInMem: 2,
|
|
CachesOnDisk: 3,
|
|
CachesLockMmap: false,
|
|
DatasetsInMem: 1,
|
|
DatasetsOnDisk: 2,
|
|
DatasetsLockMmap: false,
|
|
},
|
|
NetworkId: 1,
|
|
TxLookupLimit: 2350000,
|
|
LightPeers: 100,
|
|
UltraLightFraction: 75,
|
|
DatabaseCache: 512,
|
|
TrieCleanCache: 154,
|
|
TrieCleanCacheJournal: "triecache",
|
|
TrieCleanCacheRejournal: 60 * time.Minute,
|
|
TrieDirtyCache: 256,
|
|
TrieTimeout: 60 * time.Minute,
|
|
SnapshotCache: 102,
|
|
FilterLogCacheSize: 32,
|
|
Miner: miner.DefaultConfig,
|
|
TxPool: txpool.DefaultConfig,
|
|
RPCGasCap: 50000000,
|
|
RPCEVMTimeout: 5 * time.Second,
|
|
GPO: FullNodeGPO,
|
|
RPCTxFeeCap: 1, // 1 ether
|
|
}
|
|
|
|
func init() {
|
|
home := os.Getenv("HOME")
|
|
if home == "" {
|
|
if user, err := user.Current(); err == nil {
|
|
home = user.HomeDir
|
|
}
|
|
}
|
|
if runtime.GOOS == "darwin" {
|
|
Defaults.Ethash.DatasetDir = filepath.Join(home, "Library", "Ethash")
|
|
} else if runtime.GOOS == "windows" {
|
|
localappdata := os.Getenv("LOCALAPPDATA")
|
|
if localappdata != "" {
|
|
Defaults.Ethash.DatasetDir = filepath.Join(localappdata, "Ethash")
|
|
} else {
|
|
Defaults.Ethash.DatasetDir = filepath.Join(home, "AppData", "Local", "Ethash")
|
|
}
|
|
} else {
|
|
Defaults.Ethash.DatasetDir = filepath.Join(home, ".ethash")
|
|
}
|
|
}
|
|
|
|
//go:generate go run github.com/fjl/gencodec -type Config -formats toml -out gen_config.go
|
|
|
|
// Config contains configuration options for of the ETH and LES protocols.
|
|
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
|
|
|
|
// This can be set to list of enrtree:// URLs which will be queried for
|
|
// for nodes to connect to.
|
|
EthDiscoveryURLs []string
|
|
SnapDiscoveryURLs []string
|
|
|
|
NoPruning bool // Whether to disable pruning and flush everything to disk
|
|
NoPrefetch bool // Whether to disable prefetching and only load state on demand
|
|
|
|
TxLookupLimit uint64 `toml:",omitempty"` // The maximum number of blocks from head whose tx indices are reserved.
|
|
|
|
// RequiredBlocks is a set of block number -> hash mappings which must be in the
|
|
// canonical chain of all remote peers. Setting the option makes geth verify the
|
|
// presence of these blocks for every new peer connection.
|
|
RequiredBlocks 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
|
|
LightNoPrune bool `toml:",omitempty"` // Whether to disable light chain pruning
|
|
LightNoSyncServe bool `toml:",omitempty"` // Whether to serve light clients before syncing
|
|
SyncFromCheckpoint bool `toml:",omitempty"` // Whether to sync the header chain from the configured checkpoint
|
|
|
|
// 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
|
|
TrieCleanCacheJournal string `toml:",omitempty"` // Disk journal directory for trie cache to survive node restarts
|
|
TrieCleanCacheRejournal time.Duration `toml:",omitempty"` // Time interval to regenerate the journal for clean cache
|
|
TrieDirtyCache int
|
|
TrieTimeout time.Duration
|
|
SnapshotCache int
|
|
Preimages bool
|
|
|
|
// This is the number of blocks for which logs will be cached in the filter system.
|
|
FilterLogCacheSize int
|
|
|
|
// Mining options
|
|
Miner miner.Config
|
|
|
|
// Ethash options
|
|
Ethash ethash.Config
|
|
|
|
// Transaction pool options
|
|
TxPool txpool.Config
|
|
|
|
// Gas Price Oracle options
|
|
GPO gasprice.Config
|
|
|
|
// Enables tracking of SHA3 preimages in the VM
|
|
EnablePreimageRecording bool
|
|
|
|
// Miscellaneous options
|
|
DocRoot string `toml:"-"`
|
|
|
|
// RPCGasCap is the global gas cap for eth-call variants.
|
|
RPCGasCap uint64
|
|
|
|
// RPCEVMTimeout is the global timeout for eth-call.
|
|
RPCEVMTimeout time.Duration
|
|
|
|
// RPCTxFeeCap is the global transaction fee(price * gaslimit) cap for
|
|
// send-transaction variants. The unit is ether.
|
|
RPCTxFeeCap float64
|
|
|
|
// 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"`
|
|
|
|
// OverrideTerminalTotalDifficulty (TODO: remove after the fork)
|
|
OverrideTerminalTotalDifficulty *big.Int `toml:",omitempty"`
|
|
|
|
// OverrideTerminalTotalDifficultyPassed (TODO: remove after the fork)
|
|
OverrideTerminalTotalDifficultyPassed *bool `toml:",omitempty"`
|
|
|
|
// SyncTarget defines the target block of sync. It's only used for
|
|
// development purposes.
|
|
SyncTarget *types.Block
|
|
}
|
|
|
|
// CreateConsensusEngine creates a consensus engine for the given chain configuration.
|
|
func CreateConsensusEngine(stack *node.Node, ethashConfig *ethash.Config, cliqueConfig *params.CliqueConfig, notify []string, noverify bool, db ethdb.Database) consensus.Engine {
|
|
// If proof-of-authority is requested, set it up
|
|
var engine consensus.Engine
|
|
if cliqueConfig != nil {
|
|
engine = clique.New(cliqueConfig, db)
|
|
} else {
|
|
switch ethashConfig.PowMode {
|
|
case ethash.ModeFake:
|
|
log.Warn("Ethash used in fake mode")
|
|
case ethash.ModeTest:
|
|
log.Warn("Ethash used in test mode")
|
|
case ethash.ModeShared:
|
|
log.Warn("Ethash used in shared mode")
|
|
}
|
|
engine = ethash.New(ethash.Config{
|
|
PowMode: ethashConfig.PowMode,
|
|
CacheDir: stack.ResolvePath(ethashConfig.CacheDir),
|
|
CachesInMem: ethashConfig.CachesInMem,
|
|
CachesOnDisk: ethashConfig.CachesOnDisk,
|
|
CachesLockMmap: ethashConfig.CachesLockMmap,
|
|
DatasetDir: ethashConfig.DatasetDir,
|
|
DatasetsInMem: ethashConfig.DatasetsInMem,
|
|
DatasetsOnDisk: ethashConfig.DatasetsOnDisk,
|
|
DatasetsLockMmap: ethashConfig.DatasetsLockMmap,
|
|
NotifyFull: ethashConfig.NotifyFull,
|
|
}, notify, noverify)
|
|
engine.(*ethash.Ethash).SetThreads(-1) // Disable CPU mining
|
|
}
|
|
return beacon.New(engine)
|
|
}
|