eth: ignore NewBlockMsg with lower td

This commit is contained in:
obscuren 2015-04-18 14:25:22 +02:00
parent 1bc2d83b6f
commit eef4776b5b

View File

@ -257,8 +257,9 @@ func (self *ProtocolManager) handleMsg(p *peer) error {
})
// Make sure the block isn't already known. If this is the case simply drop
// the message and move on.
if self.chainman.HasBlock(hash) {
// the message and move on. If the TD is < currentTd; drop it as well. If this
// chain at some point becomes canonical, the downloader will fetch it.
if self.chainman.HasBlock(hash) && self.chainman.Td().Cmp(request.TD) > 0 {
break
}