github.com/aerth/aquachain@v1.4.1/aqua/config.go (about)

     1  // Copyright 2017 The aquachain Authors
     2  // This file is part of the aquachain library.
     3  //
     4  // The aquachain library is free software: you can redistribute it and/or modify
     5  // it under the terms of the GNU Lesser General Public License as published by
     6  // the Free Software Foundation, either version 3 of the License, or
     7  // (at your option) any later version.
     8  //
     9  // The aquachain library is distributed in the hope that it will be useful,
    10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    12  // GNU Lesser General Public License for more details.
    13  //
    14  // You should have received a copy of the GNU Lesser General Public License
    15  // along with the aquachain library. If not, see <http://www.gnu.org/licenses/>.
    16  
    17  package aqua
    18  
    19  import (
    20  	"math/big"
    21  	"os"
    22  	"os/user"
    23  	"path/filepath"
    24  	"runtime"
    25  	"time"
    26  
    27  	"github.com/aquanetwork/aquachain/aqua/downloader"
    28  	"github.com/aquanetwork/aquachain/aqua/gasprice"
    29  	"github.com/aquanetwork/aquachain/common"
    30  	"github.com/aquanetwork/aquachain/common/hexutil"
    31  	"github.com/aquanetwork/aquachain/consensus/aquahash"
    32  	"github.com/aquanetwork/aquachain/core"
    33  )
    34  
    35  // DefaultConfig contains default settings for use on the AquaChain main net.
    36  var DefaultConfig = Config{
    37  	SyncMode: downloader.FastSync,
    38  	Aquahash: aquahash.Config{
    39  		CacheDir:       "aquahash",
    40  		CachesInMem:    2,
    41  		CachesOnDisk:   3,
    42  		DatasetsInMem:  1,
    43  		DatasetsOnDisk: 2,
    44  	},
    45  	NetworkId:     61717561,
    46  	LightPeers:    100,
    47  	DatabaseCache: 768,
    48  	TrieCache:     256,
    49  	TrieTimeout:   5 * time.Minute,
    50  	GasPrice:      big.NewInt(100000000), // 0.1 gwei
    51  
    52  	TxPool: core.DefaultTxPoolConfig,
    53  	GPO: gasprice.Config{
    54  		Blocks:     20,
    55  		Percentile: 60,
    56  	},
    57  }
    58  
    59  func init() {
    60  	home := os.Getenv("HOME")
    61  	if home == "" {
    62  		if user, err := user.Current(); err == nil {
    63  			home = user.HomeDir
    64  		}
    65  	}
    66  	if runtime.GOOS == "windows" {
    67  		DefaultConfig.Aquahash.DatasetDir = filepath.Join(home, "AppData", "Aquahash")
    68  	} else {
    69  		DefaultConfig.Aquahash.DatasetDir = filepath.Join(home, ".aquahash")
    70  	}
    71  }
    72  
    73  //go:generate gencodec -type Config -field-override configMarshaling -formats toml -out gen_config.go
    74  
    75  type Config struct {
    76  	// The genesis block, which is inserted if the database is empty.
    77  	// If nil, the AquaChain main net block is used.
    78  	Genesis *core.Genesis `toml:",omitempty"`
    79  
    80  	// Protocol options
    81  	NetworkId uint64 // Network ID to use for selecting peers to connect to
    82  	SyncMode  downloader.SyncMode
    83  	NoPruning bool
    84  
    85  	// Light client options
    86  	LightServ  int `toml:",omitempty"` // Maximum percentage of time allowed for serving LES requests
    87  	LightPeers int `toml:",omitempty"` // Maximum number of LES client peers
    88  
    89  	// Database options
    90  	SkipBcVersionCheck bool `toml:"-"`
    91  	DatabaseHandles    int  `toml:"-"`
    92  	DatabaseCache      int
    93  	TrieCache          int
    94  	TrieTimeout        time.Duration
    95  
    96  	// Mining-related options
    97  	Aquabase     common.Address `toml:",omitempty"`
    98  	MinerThreads int            `toml:",omitempty"`
    99  	ExtraData    []byte         `toml:",omitempty"`
   100  	GasPrice     *big.Int
   101  
   102  	// Aquahash options
   103  	Aquahash aquahash.Config
   104  
   105  	// Transaction pool options
   106  	TxPool core.TxPoolConfig
   107  
   108  	// Gas Price Oracle options
   109  	GPO gasprice.Config
   110  
   111  	// Enables tracking of SHA3 preimages in the VM
   112  	EnablePreimageRecording bool
   113  
   114  	// Miscellaneous options
   115  	DocRoot string `toml:"-"`
   116  }
   117  
   118  type configMarshaling struct {
   119  	ExtraData hexutil.Bytes
   120  }