forked from aergoio/aergo
/
nodekey.go
130 lines (107 loc) · 3.23 KB
/
nodekey.go
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/*
* @file
* @copyright defined in aergo/LICENSE.txt
*/
package p2pkey
import (
"github.com/aergoio/aergo-lib/log"
"github.com/aergoio/aergo/config"
"github.com/aergoio/aergo/internal/enc"
"github.com/aergoio/aergo/p2p/p2pcommon"
"github.com/aergoio/aergo/p2p/p2putil"
"github.com/aergoio/aergo/types"
"github.com/libp2p/go-libp2p-core/crypto"
"os"
"path/filepath"
"time"
)
type nodeInfo struct {
id types.PeerID
sid string
pubKey crypto.PubKey
privKey crypto.PrivKey
version string
startTime time.Time
}
var ni *nodeInfo
// InitNodeInfo initializes node-specific information like node id.
// Caution: this must be called before all the goroutines are started.
func InitNodeInfo(baseCfg *config.BaseConfig, p2pCfg *config.P2PConfig, version string, logger *log.Logger) {
// check Key and address
var (
priv crypto.PrivKey
pub crypto.PubKey
err error
)
if !p2pcommon.CheckVersion(version) {
logger.Warn().Str("minVersion",p2pcommon.MinimumAergoVersion).Str("maxVersion",p2pcommon.MaximumAergoVersion).Str("version",version).Msg("min/max version range is not set properly. change constant in source and then rebuild it")
}
if p2pCfg.NPKey != "" {
priv, pub, err = p2putil.LoadKeyFile(p2pCfg.NPKey)
if err != nil {
panic("Failed to load Keyfile '" + p2pCfg.NPKey + "' " + err.Error())
}
} else {
logger.Info().Msg("No private key file is configured, so use auto-generated pk file instead.")
autogenFilePath := filepath.Join(baseCfg.AuthDir, p2pcommon.DefaultPkKeyPrefix+p2pcommon.DefaultPkKeyExt)
if _, err := os.Stat(autogenFilePath); os.IsNotExist(err) {
logger.Info().Str("pk_file", autogenFilePath).Msg("Generate new private key file.")
priv, pub, err = p2putil.GenerateKeyFile(baseCfg.AuthDir, p2pcommon.DefaultPkKeyPrefix)
if err != nil {
panic("Failed to generate new pk file: " + err.Error())
}
} else {
logger.Info().Str("pk_file", autogenFilePath).Msg("Load existing generated private key file.")
priv, pub, err = p2putil.LoadKeyFile(autogenFilePath)
if err != nil {
panic("Failed to load generated pk file '" + autogenFilePath + "' " + err.Error())
}
}
}
id, _ := types.IDFromPublicKey(pub)
ni = &nodeInfo{
id: id,
sid: enc.ToString([]byte(id)),
pubKey: pub,
privKey: priv,
version: version,
startTime: time.Now(),
}
p2putil.UseFullID = p2pCfg.LogFullPeerID
}
// NodeID returns the node id.
func NodeID() types.PeerID {
return ni.id
}
// NodeSID returns the string representation of the node id.
func NodeSID() string {
if ni == nil {
return ""
}
return ni.sid
}
// NodePrivKey returns the private key of the node.
func NodePrivKey() crypto.PrivKey {
return ni.privKey
}
// NodePubKey returns the public key of the node.
func NodePubKey() crypto.PubKey {
return ni.pubKey
}
// NodeVersion returns the version of this binary. TODO: It's not good that version info is in p2pkey package
func NodeVersion() string {
return ni.version
}
func StartTime() time.Time {
return ni.startTime
}
func GetHostAccessor() types.HostAccessor {
return simpleHostAccessor{}
}
type simpleHostAccessor struct {}
func (simpleHostAccessor) Version() string {
return ni.version
}
func (simpleHostAccessor) StartTime() time.Time {
return ni.startTime
}