p2p, p2p/discover, p2p/discv5: implement UDP port sharing#15200

Merged

fjl merged 4 commits into

ethereum:masterfrom

zsfelfoldi:portshare

Jan 22, 2018

Commits on Dec 18, 2017

Commits on Jan 4, 2018

p2p/discv5: use constant version prefix instead of hash
zsfelfoldi
committed