Switched storage of Heartbeats from list to map Allows for recording of which host sent the heartbeat, and allows rejecting of heartbeats from hosts which have sent their heartbeats for the current block.
Switched storage of Heartbeats from list to map
Allows for recording of which host sent the heartbeat, and allows
rejecting of heartbeats from hosts which have sent their heartbeats for
the current block.

emt13/Sia,Jonbeek/Sia,emt13/Sia,Jonbeek/Sia