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revert challenge fix

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Signed-off-by: Chen Kai <281165273grape@gmail.com>
This commit is contained in:
Chen Kai 2025-03-16 16:47:29 +08:00
parent 8f1f4efd69
commit 65fa51e125
1 changed files with 12 additions and 17 deletions
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29
p2p/discover/v5wire/encoding.go
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@ -104,19 +104,18 @@ var DefaultProtocolID = [6]byte{'d', 'i', 's', 'c', 'v', '5'}
// Errors. // Errors.
var ( var (
errTooShort = errors.New("packet too short") errTooShort = errors.New("packet too short")
errInvalidHeader = errors.New("invalid packet header") errInvalidHeader = errors.New("invalid packet header")
errInvalidFlag = errors.New("invalid flag value in header") errInvalidFlag = errors.New("invalid flag value in header")
errMinVersion = errors.New("version of packet header below minimum") errMinVersion = errors.New("version of packet header below minimum")
errMsgTooShort = errors.New("message/handshake packet below minimum size") errMsgTooShort = errors.New("message/handshake packet below minimum size")
errAuthSize = errors.New("declared auth size is beyond packet length") errAuthSize = errors.New("declared auth size is beyond packet length")
errUnexpectedHandshake = errors.New("unexpected auth response, not in handshake") errUnexpectedHandshake = errors.New("unexpected auth response, not in handshake")
errInvalidAuthKey = errors.New("invalid ephemeral pubkey") errInvalidAuthKey = errors.New("invalid ephemeral pubkey")
errNoRecord = errors.New("expected ENR in handshake but none sent") errNoRecord = errors.New("expected ENR in handshake but none sent")
errInvalidNonceSig = errors.New("invalid ID nonce signature") errInvalidNonceSig = errors.New("invalid ID nonce signature")
errMessageTooShort = errors.New("message contains no data") errMessageTooShort = errors.New("message contains no data")
errMessageDecrypt = errors.New("cannot decrypt message") errMessageDecrypt = errors.New("cannot decrypt message")
errChallengeAlreadySent = errors.New("challenge already sent to this node")
) )
// Public errors. // Public errors.
@ -218,10 +217,6 @@ func (c *Codec) Encode(id enode.ID, addr string, packet Packet, challenge *Whoar
// Store sent WHOAREYOU challenges. // Store sent WHOAREYOU challenges.
if challenge, ok := packet.(*Whoareyou); ok { if challenge, ok := packet.(*Whoareyou); ok {
// check if we already sent a challenge to this node
if c.sc.getHandshake(id, addr) != nil {
return nil, Nonce{}, errChallengeAlreadySent
}
challenge.ChallengeData = bytesCopy(&c.buf) challenge.ChallengeData = bytesCopy(&c.buf)
c.sc.storeSentHandshake(id, addr, challenge) c.sc.storeSentHandshake(id, addr, challenge)
} else if msgData == nil { } else if msgData == nil {