d3ece3a07c
* cmd/utils, node: switch to Pebble as the default db if none exists * node: fall back to LevelDB on platforms not supporting Pebble * core/rawdb, node: default to Pebble at the node level * cmd/geth: fix some tests explicitly using leveldb * ethdb/pebble: allow double closes, makes tests simpler
125 lines
4.1 KiB
Go
125 lines
4.1 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"
|
|
"github.com/ethereum/go-ethereum/rpc"
|
|
)
|
|
|
|
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
|
|
DefaultAuthHost = "localhost" // Default host interface for the authenticated apis
|
|
DefaultAuthPort = 8551 // Default port for the authenticated apis
|
|
)
|
|
|
|
var (
|
|
DefaultAuthCors = []string{"localhost"} // Default cors domain for the authenticated apis
|
|
DefaultAuthVhosts = []string{"localhost"} // Default virtual hosts for the authenticated apis
|
|
DefaultAuthOrigins = []string{"localhost"} // Default origins for the authenticated apis
|
|
DefaultAuthPrefix = "" // Default prefix for the authenticated apis
|
|
DefaultAuthModules = []string{"eth", "engine"}
|
|
)
|
|
|
|
// DefaultConfig contains reasonable default settings.
|
|
var DefaultConfig = Config{
|
|
DataDir: DefaultDataDir(),
|
|
HTTPPort: DefaultHTTPPort,
|
|
AuthAddr: DefaultAuthHost,
|
|
AuthPort: DefaultAuthPort,
|
|
AuthVirtualHosts: DefaultAuthVhosts,
|
|
HTTPModules: []string{"net", "web3"},
|
|
HTTPVirtualHosts: []string{"localhost"},
|
|
HTTPTimeouts: rpc.DefaultHTTPTimeouts,
|
|
WSPort: DefaultWSPort,
|
|
WSModules: []string{"net", "web3"},
|
|
GraphQLVirtualHosts: []string{"localhost"},
|
|
P2P: p2p.Config{
|
|
ListenAddr: ":30303",
|
|
MaxPeers: 50,
|
|
NAT: nat.Any(),
|
|
},
|
|
DBEngine: "", // Use whatever exists, will default to Pebble if non-existent and supported
|
|
}
|
|
|
|
// 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 != "" {
|
|
switch runtime.GOOS {
|
|
case "darwin":
|
|
return filepath.Join(home, "Library", "Ethereum")
|
|
case "windows":
|
|
// We used to put everything in %HOME%\AppData\Roaming, but this caused
|
|
// problems with non-typical setups. If this fallback location exists and
|
|
// is non-empty, use it, otherwise DTRT and check %LOCALAPPDATA%.
|
|
fallback := filepath.Join(home, "AppData", "Roaming", "Ethereum")
|
|
appdata := windowsAppData()
|
|
if appdata == "" || isNonEmptyDir(fallback) {
|
|
return fallback
|
|
}
|
|
return filepath.Join(appdata, "Ethereum")
|
|
default:
|
|
return filepath.Join(home, ".ethereum")
|
|
}
|
|
}
|
|
// As we cannot guess a stable location, return empty and handle later
|
|
return ""
|
|
}
|
|
|
|
func windowsAppData() string {
|
|
v := os.Getenv("LOCALAPPDATA")
|
|
if v == "" {
|
|
// Windows XP and below don't have LocalAppData. Crash here because
|
|
// we don't support Windows XP and undefining the variable will cause
|
|
// other issues.
|
|
panic("environment variable LocalAppData is undefined")
|
|
}
|
|
return v
|
|
}
|
|
|
|
func isNonEmptyDir(dir string) bool {
|
|
f, err := os.Open(dir)
|
|
if err != nil {
|
|
return false
|
|
}
|
|
names, _ := f.Readdir(1)
|
|
f.Close()
|
|
return len(names) > 0
|
|
}
|
|
|
|
func homeDir() string {
|
|
if home := os.Getenv("HOME"); home != "" {
|
|
return home
|
|
}
|
|
if usr, err := user.Current(); err == nil {
|
|
return usr.HomeDir
|
|
}
|
|
return ""
|
|
}
|