EIP 7919: Pureth Meta

[RazorClient]

This Pr introduces all the types required + the helper functions for the same to implement

EIP 7919- Pureth Meta

The files inside eth/ssz have the type definitions and the recast functions to be per the

• https://eips.ethereum.org/EIPS/eip-7807
• https://eips.ethereum.org/EIPS/eip-6465
• https://eips.ethereum.org/EIPS/eip-6466
• https://eips.ethereum.org/EIPS/eip-6404

The open question was

• How to introduce the new fields in the receipts as per

Field	Description
from	The transaction sender’s address.
gas_used	How much gas this individual transaction used. Replaces cumulative_gas_used.
contract_address	For transactions deploying a contract, the new contract address.
logs	Logs emitted during transaction execution.
status	EIP-658 transaction status code.
authorities	For transactions with an authorization list, the list of EIP-7702 authority addresses. Non-successful authorizations are represented with an all-zero address.

The answer that came up was to change stored receipts to make room for the new fields and pass them on to the makereceipts and have them produce the new stored receipt variant with eip7807 and then recast them into seq[ssz_receipts] and then calc the root

So we need to save the new variant in the db too, as the stored receipt is what is present in the db and do tests to make sure its correct