Fix discovery of base of reorgs
Fix discovery of base of reorgs

Groestlcoin/electrumx-grs,Crowndev/electrumx,bauerj/electrumx,bauerj/electrumx,Groestlcoin/electrumx-grs,thelazier/electrumx,thelazier/electrumx,shsmith/electrumx,Crowndev/electrumx,shsmith/electrumx,erasmospunk/electrumx,erasmospunk/electrumx