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network: remove port check from handleVersionCmd()

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It's bogus and no other node implementation has anything like that. It fires
up for no good reason in the case when some other node connects to us and it
obviously doesn't use its listening port for it.
This commit is contained in:
Roman Khimov 2019-10-17 11:19:24 +03:00
parent b9fc34e8c3
commit 56459c6c63
2 changed files with 2 additions and 11 deletions
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3
pkg/network/server.go
View file

@ -252,9 +252,6 @@ func (s *Server) handleVersionCmd(p Peer, version *payload.Version) error {
if s.id == version.Nonce {
return errIdenticalID
}
if p.NetAddr().Port != int(version.Port) {
return fmt.Errorf("port mismatch: connected to %d and peer sends %d", p.NetAddr().Port, version.Port)
}
return p.SendVersionAck(NewMessage(s.Net, CMDVerack, nil))
}

10
pkg/network/server_test.go
View file

@ -67,15 +67,9 @@ func TestServerNotSendsVerack(t *testing.T) {
p.netaddr = *na
s.register <- p
// Port should mismatch
version := payload.NewVersion(1337, 2000, "/NEO-GO/", 0, true)
err := s.handleVersionCmd(p, version)
assert.NotNil(t, err)
assert.Contains(t, err.Error(), "port mismatch")
// identical id's
version = payload.NewVersion(1, 3000, "/NEO-GO/", 0, true)
err = s.handleVersionCmd(p, version)
version := payload.NewVersion(1, 3000, "/NEO-GO/", 0, true)
err := s.handleVersionCmd(p, version)
assert.NotNil(t, err)
assert.Equal(t, errIdenticalID, err)
}