ledger: do final validation in `endOfBlock()`#3132

Merged

tsachiherman merged 2 commits intoalgorand:masterfrom tolikzinovyev:end-of-block-validation

Oct 29, 2021

Commits on Oct 22, 2021

Do final validation in endOfBlock().
tolikzinovyev
committed

Commits on Oct 29, 2021

Move OptimizeAllocatedMemory().
tolikzinovyev
committed