github.com/aquanetwork/aquachain@v1.7.8/node/defaults.go (about)

     1  // Copyright 2016 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 node
    18  
    19  import (
    20  	"os"
    21  	"os/user"
    22  	"path/filepath"
    23  	"runtime"
    24  
    25  	"gitlab.com/aquachain/aquachain/p2p"
    26  	"gitlab.com/aquachain/aquachain/p2p/nat"
    27  )
    28  
    29  const (
    30  	DefaultHTTPHost = "localhost" // Default host interface for the HTTP RPC server
    31  	DefaultHTTPPort = 8543        // Default TCP port for the HTTP RPC server
    32  	DefaultWSHost   = "localhost" // Default host interface for the websocket RPC server
    33  	DefaultWSPort   = 8544        // Default TCP port for the websocket RPC server
    34  )
    35  
    36  // DefaultConfig contains reasonable default settings.
    37  var DefaultConfig = Config{
    38  	DataDir:     DefaultDataDir(),
    39  	HTTPPort:    DefaultHTTPPort,
    40  	HTTPModules: []string{"aqua", "eth", "net", "web3"},
    41  	WSPort:      DefaultWSPort,
    42  	WSModules:   []string{"aqua", "eth", "net", "web3"},
    43  	P2P: p2p.Config{
    44  		ListenAddr: ":21303",
    45  		MaxPeers:   50,
    46  		NAT:        nat.Any(),
    47  	},
    48  }
    49  
    50  // DefaultDataDir is the default data directory to use for the databases and other
    51  // persistence requirements.
    52  func DefaultDataDir() string {
    53  	// Try to place the data folder in the user's home dir
    54  	home := homeDir()
    55  	if home != "" {
    56  		if runtime.GOOS == "darwin" {
    57  			return filepath.Join(home, "Library", "AquaChain")
    58  		} else if runtime.GOOS == "windows" {
    59  			return filepath.Join(home, "AppData", "Roaming", "AquaChain")
    60  		} else {
    61  			return filepath.Join(home, ".aquachain")
    62  		}
    63  	}
    64  	// As we cannot guess a stable location, return empty and handle later
    65  	return ""
    66  }
    67  
    68  func homeDir() string {
    69  	if home := os.Getenv("HOME"); home != "" {
    70  		return home
    71  	}
    72  	if usr, err := user.Current(); err == nil {
    73  		return usr.HomeDir
    74  	}
    75  	return ""
    76  }