add storage proof test
add storage proof test

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