nimbus-eth2/beacon_chain/fork_choice/README.md

# Fork choice implementations

References:
- https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/specs/phase0/fork-choice.md
- https://github.com/protolambda/lmd-ghost
[Ready 1/2] Fork choice rewrite (#865) * initial fork-choice refactor * Add fork_choice test for "no votes" * Initial test with voting: fix handling of unknown validators and parent blocks * Fix tiebreak of votes * Cleanup debugging traces * Complexify the vote test * fakeHash use the bigEndian repr of number + fix tiebreak for good * Stash changes: found critical bug in nimcrypto `==` and var openarray * Passing fork choice tests with varying votes * Add FFG fork choice scenario + fork choice to the test suite * Not sure why lmdb / rocksdb reappeared in rebase * Add sanity checks to .nimble file + integrate fork choice tests to the test DB and test timing * Cleanup debugging echos * nimcrypto fix https://github.com/status-im/nim-beacon-chain/pull/864 as been merged, remove TODO comment * Turn fork choice exception-free * Cleanup "result" to ensure early return is properly used * Add a comment on private/public error code vs Result * result -> results following https://github.com/status-im/nim-beacon-chain/pull/866 * Address comments: - raises: [Defect] doesn't work -> TODO - process_attestation cannot fail - try/except as expression pending Nim v1.2.0 - cleanup TODOs * re-enable all sanity checks * tag no raise for process_attestation * use raises defect everywhere in fork choice and fix process_attestation test 2020-04-09 18:15:00 +02:00			`# Fork choice implementations`

			`References:`
			`- https://github.com/ethereum/eth2.0-specs/blob/v0.10.1/specs/phase0/fork-choice.md`
			`- https://github.com/protolambda/lmd-ghost`