Lean Consensus Spec Tests

Test vectors for the Ethereum Lean Consensus Spec.

Test Vectors

• devnet2/ - 43 test vectors from commit 92d044f (fork_choice, state_transition, verify_signatures)
• devnet3/ - 58 test vectors from commit ... (fork_choice, ssz, state_transition, verify_signatures)
• consensus/ - devnet4 prod-scheme fixtures generated from leanSpec commit db21cc24cbeeb78a91c42a713089fe0c845eb648 with locally generated prod keys in keys/prod_scheme/.