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defaults.go
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defaults.go
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/*
* Copyright (c) 2018 QLC Chain Team
*
* This software is released under the MIT License.
* https://opensource.org/licenses/MIT
*/
package config
import (
"encoding/base64"
"fmt"
"os"
"os/user"
"path/filepath"
"runtime"
ic "github.com/libp2p/go-libp2p-core/crypto"
"github.com/libp2p/go-libp2p-core/peer"
"github.com/qlcchain/go-qlc/crypto/random"
)
// identityConfig initializes a new identity.
func identityConfig() (string, string, error) {
sk, pk, err := ic.GenerateKeyPair(ic.RSA, 2048)
if err != nil {
return "", "", err
}
// currently storing key unencrypted. in the future we need to encrypt it.
// TODO(security)
skbytes, err := sk.Bytes()
if err != nil {
return "", "", err
}
privKey := base64.StdEncoding.EncodeToString(skbytes)
id, err := peer.IDFromPublicKey(pk)
if err != nil {
return "", "", err
}
peerID := id.Pretty()
return privKey, peerID, nil
}
// DefaultDataDir is the default data directory to use for the databases and other persistence requirements.
func DefaultDataDir() string {
home := homeDir()
if home != "" {
if runtime.GOOS == "darwin" {
return filepath.Join(home, "Library", "Application Support", cfgDir)
} else if runtime.GOOS == "windows" {
return filepath.Join(home, "AppData", "Roaming", cfgDir)
} else {
return filepath.Join(home, nixCfgDir)
}
}
return ""
}
func defaultIPCEndpoint(dir string) string {
ipc := filepath.Join(dir, ipcName)
if runtime.GOOS == "windows" {
prefix := random.RandomHexString(2)
return fmt.Sprintf(`\\.\pipe\%s-%s`, prefix, ipcName)
}
return ipc
}
func QlcTestDataDir() string {
return filepath.Join(DefaultDataDir(), "test")
}
func homeDir() string {
if home := os.Getenv("HOME"); home != "" {
return home
}
if usr, err := user.Current(); err == nil {
return usr.HomeDir
}
return ""
}