add BenchmarkEncodeBlock
add BenchmarkEncodeBlock

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