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config.go
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config.go
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// 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 (
"fmt"
"math/big"
"os"
"os/user"
"path/filepath"
"runtime"
"time"
"github.com/PlatONEnetwork/PlatONE-Go/common"
"github.com/PlatONEnetwork/PlatONE-Go/common/hexutil"
"github.com/PlatONEnetwork/PlatONE-Go/core"
"github.com/PlatONEnetwork/PlatONE-Go/eth/downloader"
"github.com/PlatONEnetwork/PlatONE-Go/eth/gasprice"
"github.com/PlatONEnetwork/PlatONE-Go/log"
"github.com/PlatONEnetwork/PlatONE-Go/node"
"github.com/PlatONEnetwork/PlatONE-Go/params"
)
const (
datadirCbftConfig = "cbft.json" // Path within the datadir to the cbft config
)
// DefaultConfig contains default settings for use on the Ethereum main net.
var DefaultConfig = Config{
SyncMode: downloader.FullSync,
CbftConfig: CbftConfig{
Period: 1,
Epoch: 250000,
MaxLatency: 600,
LegalCoefficient: 1.0,
Duration: 10,
},
NetworkId: 1,
LightPeers: 100,
DatabaseCache: 768,
TrieCache: 256,
TrieTimeout: 60 * time.Minute,
MinerGasFloor: 3150000000,
MinerGasCeil: 3150000000,
MinerGasPrice: big.NewInt(params.GWei),
MinerRecommit: 3 * time.Second,
TxPool: core.DefaultTxPoolConfig,
GPO: gasprice.Config{
Blocks: 20,
Percentile: 60,
},
}
func init() {
home := os.Getenv("HOME")
if home == "" {
if user, err := user.Current(); err == nil {
home = user.HomeDir
}
}
if runtime.GOOS == "windows" {
//DefaultConfig.Ethash.DatasetDir = filepath.Join(home, "AppData", "Ethash")
} else {
//DefaultConfig.Ethash.DatasetDir = filepath.Join(home, ".ethash")
}
}
//go:generate gencodec -type Config -field-override configMarshaling -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"`
CbftConfig CbftConfig `toml:",omitempty"`
// Protocol options
NetworkId uint64 // Network ID to use for selecting peers to connect to
SyncMode downloader.SyncMode
NoPruning bool
// Light client options
LightServ int `toml:",omitempty"` // Maximum percentage of time allowed for serving LES requests
LightPeers int `toml:",omitempty"` // Maximum number of LES client peers
// Database options
SkipBcVersionCheck bool `toml:"-"`
DatabaseHandles int `toml:"-"`
DatabaseCache int
TrieCache int
TrieTimeout time.Duration
// Mining-related options
Etherbase common.Address `toml:",omitempty"`
MinerNotify []string `toml:",omitempty"`
MinerExtraData []byte `toml:",omitempty"`
MinerGasFloor uint64
MinerGasCeil uint64
MinerGasPrice *big.Int
MinerRecommit time.Duration
MinerNoverify bool
// 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 detault)
EWASMInterpreter string
// Type of the EVM interpreter ("" for default)
EVMInterpreter string
}
type CbftConfig struct {
Period uint64 `json:"period"` // Number of seconds between blocks to enforce
Epoch uint64 `json:"epoch"` // Epoch length to reset votes and checkpoint
MaxLatency int64 `json:"maxLatency"`
LegalCoefficient float64 `json:"legalCoefficient"`
Duration int64 `json:"duration"`
//mock
//InitialNodes []discover.Node `json:"initialNodes"`
//NodeID discover.NodeID `json:"nodeID,omitempty"`
//PrivateKey *ecdsa.PrivateKey `json:"PrivateKey,omitempty"`
}
type IstanbulConfig struct {
Period uint64 `json:"period"` // Number of seconds between blocks to enforce
Epoch uint64 `json:"epoch"` // Epoch length to reset votes and checkpoint
//mock
//InitialNodes []discover.Node `json:"initialNodes"`
//NodeID discover.NodeID `json:"nodeID,omitempty"`
//PrivateKey *ecdsa.PrivateKey `json:"PrivateKey,omitempty"`
}
type configMarshaling struct {
MinerExtraData hexutil.Bytes
}
// StaticNodes returns a list of node enode URLs configured as static nodes.
func (c *Config) LoadCbftConfig(nodeConfig node.Config) *CbftConfig {
return c.parsePersistentCbftConfig(filepath.Join(nodeConfig.DataDir, datadirCbftConfig))
}
// StaticNodes returns a list of node enode URLs configured as static nodes.
func (c *Config) LoadIstanbulConfig(nodeConfig node.Config) *IstanbulConfig {
return c.parsePersistentIstanbulConfig(filepath.Join(nodeConfig.DataDir, datadirCbftConfig))
}
// parsePersistentNodes parses a list of discovery node URLs loaded from a .json
// file from within the data directory.
func (c *Config) parsePersistentCbftConfig(path string) *CbftConfig {
if _, err := os.Stat(path); err != nil {
return nil
}
// Load the nodes from the config file.
config := CbftConfig{}
if err := common.LoadJSON(path, &config); err != nil {
log.Error(fmt.Sprintf("Can't load cbft config file %s: %v", path, err))
return nil
}
return &config
}
// parsePersistentNodes parses a list of discovery node URLs loaded from a .json
// file from within the data directory.
func (c *Config) parsePersistentIstanbulConfig(path string) *IstanbulConfig {
if _, err := os.Stat(path); err != nil {
return nil
}
// Load the nodes from the config file.
config := IstanbulConfig{}
if err := common.LoadJSON(path, &config); err != nil {
log.Error(fmt.Sprintf("Can't load cbft config file %s: %v", path, err))
return nil
}
return &config
}