update hostContract properly during revise
update hostContract properly during revise

rivine/rivine,mtlynch/Sia,NebulousLabs/Sia,NebulousLabs/Sia,mtlynch/Sia,Mingling94/Sia,MrStrong/Sia,ChrisSchinnerl/Sia,ericflo/Sia,ChrisSchinnerl/Sia,mnsl/Sia,johnathanhowell/Sia,mharkus/Sia,mharkus/Sia,ericflo/Sia,MrStrong/Sia,rivine/rivine,mnsl/Sia