Message encoding of announcement and response messages.

More changes coming.
Rename of organization to Peernet s.r.o.
InformationRequest proper termination signal.
This commit is contained in:
Kleissner
2021-03-14 04:30:57 +01:00
parent f120971944
commit 323f379ee7
18 changed files with 852 additions and 100 deletions

View File

@@ -1,6 +1,6 @@
/*
File Name: Peer ID.go
Copyright: 2021 Peernet Foundation s.r.o.
Copyright: 2021 Peernet s.r.o.
Author: Peter Kleissner
*/
@@ -18,6 +18,7 @@ import (
// peerID is the current peers ID. It is a ECDSA (secp256k1) 257-bit public key.
var peerPrivateKey *btcec.PrivateKey
var peerPublicKey *btcec.PublicKey
var nodeID []byte
func initPeerID() {
peerList = make(map[[btcec.PubKeyBytesLenCompressed]byte]*PeerInfo)
@@ -27,6 +28,7 @@ func initPeerID() {
configPK, err := hex.DecodeString(config.PrivateKey)
if err == nil {
peerPrivateKey, peerPublicKey = btcec.PrivKeyFromBytes(btcec.S256(), configPK)
nodeID = publicKey2NodeID(peerPublicKey)
return
}
@@ -41,6 +43,7 @@ func initPeerID() {
log.Printf("Error generating public-private key pairs: %s\n", err.Error())
os.Exit(1)
}
nodeID = publicKey2NodeID(peerPublicKey)
// save the newly generated private key into the config
config.PrivateKey = hex.EncodeToString(peerPublicKey.SerializeCompressed())
@@ -66,6 +69,7 @@ func ExportPrivateKey() (privateKey *btcec.PrivateKey, publicKey *btcec.PublicKe
// PeerInfo stores information about a single remote peer
type PeerInfo struct {
PublicKey *btcec.PublicKey // Public key
NodeID []byte // Node ID in Kademlia network = blake3(Public Key).
connectionActive []*Connection // List of active established connections to the peer.
connectionInactive []*Connection // List of former connections that are no longer valid. They may be removed after a while.
connectionLatest *Connection // Latest valid connection.
@@ -93,7 +97,7 @@ func PeerlistAdd(PublicKey *btcec.PublicKey, connections ...*Connection) (peer *
return peer, false
}
peer = &PeerInfo{PublicKey: PublicKey, connectionActive: connections, connectionLatest: connections[0]}
peer = &PeerInfo{PublicKey: PublicKey, connectionActive: connections, connectionLatest: connections[0], NodeID: publicKey2NodeID(PublicKey)}
peerList[publicKey2Compressed(peer.PublicKey)] = peer
return peer, true
@@ -141,3 +145,9 @@ func publicKey2Compressed(publicKey *btcec.PublicKey) [btcec.PubKeyBytesLenCompr
copy(key[:], publicKey.SerializeCompressed())
return key
}
// publicKey2NodeID translates the Public Key into the node ID used in the Kademlia network.
// This is very important for lookup of data in the DHT.
func publicKey2NodeID(publicKey *btcec.PublicKey) (nodeID []byte) {
return hashData(peerPublicKey.SerializeCompressed())
}