David Bakin

**Description**: A "guideline" document on our practices for creating/modifying system contract ABIs. **Related issue(s)**: Fixes #14244 **Checklist** - [ ] Documented (Code comments, README, etc.) - [ ] Tested (unit,...

Investigate pros/cons of deduping EthereumTransactions (before consensus) based on the contained Ethereum transaction itself

1

If you submit the same Ethereum transaction twice, wrapped in _different_ `EthereumTransaction`s (with different transaction id) then they will both go through consensus. The second one through consensus will fail...

modular's smart contract service self destruct operation override doesn't derive from besu's

1

It really should _for documentation and clarity_ even though it will have to override everything since our self destruct behavior can't really use besu's superclass implementation.

Reported questions about `SELFDESTRUCT` and `BLOBBASEFEE` (from test/examples in this repo).