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config.go
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config.go
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// Modifications Copyright 2018 The klaytn Authors
// Copyright 2017 The go-ethereum Authors
// This file is part of go-ethereum.
//
// 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/>.
//
// This file is derived from eth/config.go (2018/06/04).
// Modified and improved for the klaytn development.
package cn
import (
"math/big"
"os"
"os/user"
"time"
"github.com/klaytn/klaytn/storage/statedb"
"github.com/klaytn/klaytn/blockchain"
"github.com/klaytn/klaytn/blockchain/vm"
"github.com/klaytn/klaytn/common"
"github.com/klaytn/klaytn/common/hexutil"
"github.com/klaytn/klaytn/consensus/istanbul"
"github.com/klaytn/klaytn/datasync/downloader"
"github.com/klaytn/klaytn/log"
"github.com/klaytn/klaytn/node/cn/gasprice"
"github.com/klaytn/klaytn/params"
"github.com/klaytn/klaytn/storage/database"
)
var logger = log.NewModuleLogger(log.NodeCN)
// GetDefaultConfig returns default settings for use on the Klaytn main net.
func GetDefaultConfig() *Config {
return &Config{
SyncMode: downloader.FullSync,
NetworkId: params.CypressNetworkId,
LevelDBCacheSize: 768,
TrieCacheSize: 512,
TrieTimeout: 5 * time.Minute,
TrieBlockInterval: blockchain.DefaultBlockInterval,
TriesInMemory: blockchain.DefaultTriesInMemory,
GasPrice: big.NewInt(18 * params.Ston),
TxPool: blockchain.DefaultTxPoolConfig,
GPO: gasprice.Config{
Blocks: 20,
Percentile: 60,
},
WsEndpoint: "localhost:8546",
Istanbul: *istanbul.DefaultConfig,
}
}
func init() {
home := os.Getenv("HOME")
if home == "" {
if user, err := user.Current(); err == nil {
home = user.HomeDir
}
}
}
//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 Klaytn main net block is used.
Genesis *blockchain.Genesis `toml:",omitempty"`
// Protocol options
NetworkId uint64 // Network ID to use for selecting peers to connect to
SyncMode downloader.SyncMode
NoPruning bool
WorkerDisable bool // disables worker and does not start istanbul
// KES options
DownloaderDisable bool
FetcherDisable bool
// Service chain options
ParentOperatorAddr *common.Address `toml:",omitempty"` // A hex account address in the parent chain used to sign a child chain transaction.
AnchoringPeriod uint64 // Period when child chain sends an anchoring transaction to the parent chain. Default value is 1.
SentChainTxsLimit uint64 // Number of chain transactions stored for resending. Default value is 1000.
// 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
OverwriteGenesis bool
StartBlockNumber uint64
// Database options
DBType database.DBType
SkipBcVersionCheck bool `toml:"-"`
SingleDB bool
NumStateTrieShards uint
EnableDBPerfMetrics bool
LevelDBCompression database.LevelDBCompressionType
LevelDBBufferPool bool
LevelDBCacheSize int
DynamoDBConfig database.DynamoDBConfig
TrieCacheSize int
TrieTimeout time.Duration
TrieBlockInterval uint
TriesInMemory uint64
SenderTxHashIndexing bool
ParallelDBWrite bool
TrieNodeCacheConfig statedb.TrieNodeCacheConfig
// Mining-related options
ServiceChainSigner common.Address `toml:",omitempty"`
ExtraData []byte `toml:",omitempty"`
GasPrice *big.Int
// Reward
Rewardbase common.Address `toml:",omitempty"`
// Transaction pool options
TxPool blockchain.TxPoolConfig
// Gas Price Oracle options
GPO gasprice.Config
// Enables tracking of SHA3 preimages in the VM
EnablePreimageRecording bool
// Enables collecting internal transaction data during processing a block
EnableInternalTxTracing bool
// Istanbul options
Istanbul istanbul.Config
// Miscellaneous options
DocRoot string `toml:"-"`
WsEndpoint string `toml:",omitempty"`
// Tx Resending options
TxResendInterval uint64
TxResendCount int
TxResendUseLegacy bool
// Service Chain
NoAccountCreation bool
// use separate network different from baobab or cypress
IsPrivate bool
// Restart
AutoRestartFlag bool
RestartTimeOutFlag time.Duration
DaemonPathFlag string
// RPCGasCap is the global gas cap for eth-call variants.
RPCGasCap *big.Int `toml:",omitempty"`
}
type configMarshaling struct {
ExtraData hexutil.Bytes
}
func (c *Config) getVMConfig() vm.Config {
return vm.Config{
EnablePreimageRecording: c.EnablePreimageRecording,
EnableInternalTxTracing: c.EnableInternalTxTracing,
}
}