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cmd/devp2p: store lastLocal as well

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Signed-off-by: Delweng <delweng@gmail.com>
This commit is contained in:
Delweng 2026-02-26 12:35:04 +08:00
parent 0f2eb27996
commit 4a4cbe3404
1 changed files with 8 additions and 0 deletions
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8
cmd/devp2p/internal/v5test/framework.go
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@ -66,6 +66,7 @@ type conn struct {
codec *v5wire.Codec codec *v5wire.Codec
idCounter uint32 idCounter uint32
lastFrom string lastFrom string
lastLocal net.IP
} }
type logger interface { type logger interface {
@ -201,6 +202,13 @@ func (tc *conn) findnode(c net.PacketConn, dists []uint) ([]*enode.Node, error)
// write sends a packet on the given connection. // write sends a packet on the given connection.
func (tc *conn) write(c net.PacketConn, p v5wire.Packet, challenge *v5wire.Whoareyou) v5wire.Nonce { func (tc *conn) write(c net.PacketConn, p v5wire.Packet, challenge *v5wire.Whoareyou) v5wire.Nonce {
lip := laddr(c).IP
if tc.lastLocal != nil && !tc.lastLocal.Equal(lip) && challenge == nil {
// New local endpoint: drop old sessions to avoid reusing them across IPs.
tc.codec = v5wire.NewCodec(tc.localNode, tc.localKey, mclock.System{}, nil)
}
tc.lastLocal = slices.Clone(lip)
addr := tc.remoteAddr.String() addr := tc.remoteAddr.String()
if challenge != nil && tc.lastFrom != "" { if challenge != nil && tc.lastFrom != "" {
addr = tc.lastFrom addr = tc.lastFrom