Move difficulty from ChaindHeader to IConsensus

[dangershony]

No description provided.

[soma42]

Ok, to start somewhere...:

• I understand, a chain needs to implement it's own class that implements IConsensus, e.g. x42Consensus, X1Consensus, ... to implement a custom Target calculation, right?

I think this is not all what is required, GetNextTargetRequired in StakeValidator also needs to be moved to IConsensus! For example, X1 needs that, because it modifies PoS/PoW Target, not only PoW Target. Makes sense?

[dangershony]

I think this is not all what is required, GetNextTargetRequired in StakeValidator also needs to be moved to IConsensus! For example, X1 needs that, because it modifies PoS/PoW Target, not only PoW Target. Makes sense?

ahh well I sort of left POS out of it, mainly because POS has different requirements and is used in different classes even.