Alexander Chepurnoy

@aslesarenko this PR contains a failing test only and marked as "wip", thus not ready for a review.

Current behavior is well documented at least and pretty logical. So I would like to propose not to change it in 5.0. Also, lets fix 5.0 roadmap at this point...

In regards with EIP-29, attachments should never be added to unknown contracts

Collection and Numeric methods are moved to #1004 and #1006 , correspondingly SBigInt methods are not actual, will be replaced with new datatype from https://github.com/ScorexFoundation/sigmastate-interpreter/pull/997 SOption.empty already done in the...

How it should be constrained?

What is motivation for that ?

@greenhat @ergomorphic 1. I propose to use "mod q" instead of "% q", as semantics of cryptographic "mod" differs from "%" in popular programming languages for negative numbers. 2. "q"...