Smart Contracts: add `contract.genesis_address` and `transaction.genesis_address` fields

[bchamagne]

Is your feature request related to a problem?

No response

Describe the solution you'd like

We often deal with genesis addresses, having them first hand is better than fetching them ourselves. Plus, get_genesis_address(transaction.address) cannot work because transaction does not exist yet.

Additional context

No response

Epic

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