simulators/ethereum/engine: Cross-client Payload Validation#642

Draft

marioevz wants to merge 2 commits intoethereum:masterfrom marioevz:second-client-validation

+381-133

Commits on Aug 29, 2022

simulators/ethereum/engine: Allow launching a second type of client
marioevz
committed

Commits on Aug 30, 2022

simulators/ethereum/engine: Create log prevrandao test
marioevz
committed