77 lines
2.3 KiB
Go
77 lines
2.3 KiB
Go
// Copyright 2016 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 node
|
|
|
|
import (
|
|
"os"
|
|
"os/user"
|
|
"path/filepath"
|
|
"runtime"
|
|
|
|
"github.com/ethereum/go-ethereum/p2p"
|
|
"github.com/ethereum/go-ethereum/p2p/nat"
|
|
)
|
|
|
|
const (
|
|
DefaultHTTPHost = "localhost" // Default host interface for the HTTP RPC server
|
|
DefaultHTTPPort = 8545 // Default TCP port for the HTTP RPC server
|
|
DefaultWSHost = "localhost" // Default host interface for the websocket RPC server
|
|
DefaultWSPort = 8546 // Default TCP port for the websocket RPC server
|
|
)
|
|
|
|
// DefaultConfig contains reasonable default settings.
|
|
var DefaultConfig = Config{
|
|
DataDir: DefaultDataDir(),
|
|
HTTPPort: DefaultHTTPPort,
|
|
HTTPModules: []string{"net", "web3"},
|
|
WSPort: DefaultWSPort,
|
|
WSModules: []string{"net", "web3"},
|
|
P2P: p2p.Config{
|
|
ListenAddr: ":30303",
|
|
MaxPeers: 25,
|
|
NAT: nat.Any(),
|
|
},
|
|
}
|
|
|
|
// DefaultDataDir is the default data directory to use for the databases and other
|
|
// persistence requirements.
|
|
func DefaultDataDir() string {
|
|
// Try to place the data folder in the user's home dir
|
|
home := homeDir()
|
|
if home != "" {
|
|
if runtime.GOOS == "darwin" {
|
|
return filepath.Join(home, "Library", "Ethereum")
|
|
} else if runtime.GOOS == "windows" {
|
|
return filepath.Join(home, "AppData", "Roaming", "Ethereum")
|
|
} else {
|
|
return filepath.Join(home, ".ethereum")
|
|
}
|
|
}
|
|
// As we cannot guess a stable location, return empty and handle later
|
|
return ""
|
|
}
|
|
|
|
func homeDir() string {
|
|
if home := os.Getenv("HOME"); home != "" {
|
|
return home
|
|
}
|
|
if usr, err := user.Current(); err == nil {
|
|
return usr.HomeDir
|
|
}
|
|
return ""
|
|
}
|