80 lines
2.5 KiB
Go
80 lines
2.5 KiB
Go
// Copyright 2016 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package node
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import (
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"os"
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"os/user"
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"path/filepath"
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"runtime"
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"github.com/ethereum/go-ethereum/p2p"
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"github.com/ethereum/go-ethereum/p2p/nat"
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"github.com/ethereum/go-ethereum/rpc"
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)
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const (
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DefaultHTTPHost = "localhost" // Default host interface for the HTTP RPC server
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DefaultHTTPPort = 8545 // Default TCP port for the HTTP RPC server
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DefaultWSHost = "localhost" // Default host interface for the websocket RPC server
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DefaultWSPort = 8546 // Default TCP port for the websocket RPC server
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)
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// DefaultConfig contains reasonable default settings.
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var DefaultConfig = Config{
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DataDir: DefaultDataDir(),
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HTTPPort: DefaultHTTPPort,
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HTTPModules: []string{"net", "web3"},
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HTTPVirtualHosts: []string{"localhost"},
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HTTPTimeouts: rpc.DefaultHTTPTimeouts,
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WSPort: DefaultWSPort,
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WSModules: []string{"net", "web3"},
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P2P: p2p.Config{
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ListenAddr: ":30303",
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MaxPeers: 25,
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NAT: nat.Any(),
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},
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}
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// DefaultDataDir is the default data directory to use for the databases and other
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// persistence requirements.
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func DefaultDataDir() string {
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// Try to place the data folder in the user's home dir
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home := homeDir()
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if home != "" {
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if runtime.GOOS == "darwin" {
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return filepath.Join(home, "Library", "Ethereum")
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} else if runtime.GOOS == "windows" {
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return filepath.Join(home, "AppData", "Roaming", "Ethereum")
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} else {
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return filepath.Join(home, ".ethereum")
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}
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}
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// As we cannot guess a stable location, return empty and handle later
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return ""
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}
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func homeDir() string {
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if home := os.Getenv("HOME"); home != "" {
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return home
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}
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if usr, err := user.Current(); err == nil {
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return usr.HomeDir
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}
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return ""
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}
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