* Port eth1 lib to use stable futures
* Port eth1_test_rig to stable futures
* Port eth1 tests to stable futures
* Port genesis service to stable futures
* Port genesis tests to stable futures
* Port beacon_chain to stable futures
* Port lcli to stable futures
* Fix eth1_test_rig (#1014)
* Fix lcli
* Port timer to stable futures
* Fix timer
* Port websocket_server to stable futures
* Port notifier to stable futures
* Add TODOS
* Update hashmap hashset to stable futures
* Adds panic test to hashset delay
* Port remote_beacon_node to stable futures
* Fix lcli merge conflicts
* Non rpc stuff compiles
* protocol.rs compiles
* Port websockets, timer and notifier to stable futures (#1035)
* Fix lcli
* Port timer to stable futures
* Fix timer
* Port websocket_server to stable futures
* Port notifier to stable futures
* Add TODOS
* Port remote_beacon_node to stable futures
* Partial eth2-libp2p stable future upgrade
* Finished first round of fighting RPC types
* Further progress towards porting eth2-libp2p adds caching to discovery
* Update behaviour
* RPC handler to stable futures
* Update RPC to master libp2p
* Network service additions
* Fix the fallback transport construction (#1102)
* Correct warning
* Remove hashmap delay
* Compiling version of eth2-libp2p
* Update all crates versions
* Fix conversion function and add tests (#1113)
* Port validator_client to stable futures (#1114)
* Add PH & MS slot clock changes
* Account for genesis time
* Add progress on duties refactor
* Add simple is_aggregator bool to val subscription
* Start work on attestation_verification.rs
* Add progress on ObservedAttestations
* Progress with ObservedAttestations
* Fix tests
* Add observed attestations to the beacon chain
* Add attestation observation to processing code
* Add progress on attestation verification
* Add first draft of ObservedAttesters
* Add more tests
* Add observed attesters to beacon chain
* Add observers to attestation processing
* Add more attestation verification
* Create ObservedAggregators map
* Remove commented-out code
* Add observed aggregators into chain
* Add progress
* Finish adding features to attestation verification
* Ensure beacon chain compiles
* Link attn verification into chain
* Integrate new attn verification in chain
* Remove old attestation processing code
* Start trying to fix beacon_chain tests
* Split adding into pools into two functions
* Add aggregation to harness
* Get test harness working again
* Adjust the number of aggregators for test harness
* Fix edge-case in harness
* Integrate new attn processing in network
* Fix compile bug in validator_client
* Update validator API endpoints
* Fix aggreagation in test harness
* Fix enum thing
* Fix attestation observation bug:
* Patch failing API tests
* Start adding comments to attestation verification
* Remove unused attestation field
* Unify "is block known" logic
* Update comments
* Supress fork choice errors for network processing
* Add todos
* Tidy
* Add gossip attn tests
* Disallow test harness to produce old attns
* Comment out in-progress tests
* Partially address pruning tests
* Fix failing store test
* Add aggregate tests
* Add comments about which spec conditions we check
* Dont re-aggregate
* Split apart test harness attn production
* Fix compile error in network
* Make progress on commented-out test
* Fix skipping attestation test
* Add fork choice verification tests
* Tidy attn tests, remove dead code
* Remove some accidentally added code
* Fix clippy lint
* Rename test file
* Add block tests, add cheap block proposer check
* Rename block testing file
* Add observed_block_producers
* Tidy
* Switch around block signature verification
* Finish block testing
* Remove gossip from signature tests
* First pass of self review
* Fix deviation in spec
* Update test spec tags
* Start moving over to hashset
* Finish moving observed attesters to hashmap
* Move aggregation pool over to hashmap
* Make fc attn borrow again
* Fix rest_api compile error
* Fix missing comments
* Fix monster test
* Uncomment increasing slots test
* Address remaining comments
* Remove unsafe, use cfg test
* Remove cfg test flag
* Fix dodgy comment
* Revert "Update hashmap hashset to stable futures"
This reverts commit d432378a3cc5cd67fc29c0b15b96b886c1323554.
* Revert "Adds panic test to hashset delay"
This reverts commit 281502396fc5b90d9c421a309c2c056982c9525b.
* Ported attestation_service
* Ported duties_service
* Ported fork_service
* More ports
* Port block_service
* Minor fixes
* VC compiles
* Update TODOS
* Borrow self where possible
* Ignore aggregates that are already known.
* Unify aggregator modulo logic
* Fix typo in logs
* Refactor validator subscription logic
* Avoid reproducing selection proof
* Skip HTTP call if no subscriptions
* Rename DutyAndState -> DutyAndProof
* Tidy logs
* Print root as dbg
* Fix compile errors in tests
* Fix compile error in test
* Re-Fix attestation and duties service
* Minor fixes
Co-authored-by: Paul Hauner <paul@paulhauner.com>
* Network crate update to stable futures
* Port account_manager to stable futures (#1121)
* Port account_manager to stable futures
* Run async fns in tokio environment
* Port rest_api crate to stable futures (#1118)
* Port rest_api lib to stable futures
* Reduce tokio features
* Update notifier to stable futures
* Builder update
* Further updates
* Convert self referential async functions
* stable futures fixes (#1124)
* Fix eth1 update functions
* Fix genesis and client
* Fix beacon node lib
* Return appropriate runtimes from environment
* Fix test rig
* Refactor eth1 service update
* Upgrade simulator to stable futures
* Lighthouse compiles on stable futures
* Remove println debugging statement
* Update libp2p service, start rpc test upgrade
* Update network crate for new libp2p
* Update tokio::codec to futures_codec (#1128)
* Further work towards RPC corrections
* Correct http timeout and network service select
* Use tokio runtime for libp2p
* Revert "Update tokio::codec to futures_codec (#1128)"
This reverts commit e57aea924acf5cbabdcea18895ac07e38a425ed7.
* Upgrade RPC libp2p tests
* Upgrade secio fallback test
* Upgrade gossipsub examples
* Clean up RPC protocol
* Test fixes (#1133)
* Correct websocket timeout and run on os thread
* Fix network test
* Clean up PR
* Correct tokio tcp move attestation service tests
* Upgrade attestation service tests
* Correct network test
* Correct genesis test
* Test corrections
* Log info when block is received
* Modify logs and update attester service events
* Stable futures: fixes to vc, eth1 and account manager (#1142)
* Add local testnet scripts
* Remove whiteblock script
* Rename local testnet script
* Move spawns onto handle
* Fix VC panic
* Initial fix to block production issue
* Tidy block producer fix
* Tidy further
* Add local testnet clean script
* Run cargo fmt
* Tidy duties service
* Tidy fork service
* Tidy ForkService
* Tidy AttestationService
* Tidy notifier
* Ensure await is not suppressed in eth1
* Ensure await is not suppressed in account_manager
* Use .ok() instead of .unwrap_or(())
* RPC decoding test for proto
* Update discv5 and eth2-libp2p deps
* Fix lcli double runtime issue (#1144)
* Handle stream termination and dialing peer errors
* Correct peer_info variant types
* Remove unnecessary warnings
* Handle subnet unsubscription removal and improve logigng
* Add logs around ping
* Upgrade discv5 and improve logging
* Handle peer connection status for multiple connections
* Improve network service logging
* Improve logging around peer manager
* Upgrade swarm poll centralise peer management
* Identify clients on error
* Fix `remove_peer` in sync (#1150)
* remove_peer removes from all chains
* Remove logs
* Fix early return from loop
* Improved logging, fix panic
* Partially correct tests
* Stable futures: Vc sync (#1149)
* Improve syncing heuristic
* Add comments
* Use safer method for tolerance
* Fix tests
* Stable futures: Fix VC bug, update agg pool, add more metrics (#1151)
* Expose epoch processing summary
* Expose participation metrics to prometheus
* Switch to f64
* Reduce precision
* Change precision
* Expose observed attesters metrics
* Add metrics for agg/unagg attn counts
* Add metrics for gossip rx
* Add metrics for gossip tx
* Adds ignored attns to prom
* Add attestation timing
* Add timer for aggregation pool sig agg
* Add write lock timer for agg pool
* Add more metrics to agg pool
* Change map lock code
* Add extra metric to agg pool
* Change lock handling in agg pool
* Change .write() to .read()
* Add another agg pool timer
* Fix for is_aggregator
* Fix pruning bug
Co-authored-by: pawan <pawandhananjay@gmail.com>
Co-authored-by: Paul Hauner <paul@paulhauner.com>
* Sends attestations to the attestation service for processing
* Adds 'attnets' field to local ENR
* Adds ENR bitfield modification logic
* Link attestation service to discovery
- Updates discv5
- Links discover events to discovery
- Support for ENRBitfield
* Adds discovery config params, correct warnings
* Rust fmt fixes
* Correct tests
* Merge #913
* Correct release tests
* Completed release test corrections
* Initial work on upgrading discovery
* Updates discovery to latest version
* Update ENR initialisation logic
* Remove debug statements
* Shifts timing units to slots
* Initial work
* Add initial fork versioning and EnrForkId
* Correct linking for EnrForkId
* Adds eth2 field to local ENR
* Initial work to eth2 field integration
* Integrate eth2 field into discovery
* temp commit
* Add a timer to adjust fork versions during a hard fork for the ENR
* Remove ping protocol
* Initial renaming of network services
* Correct rebasing relative to latest master
* Start updating types
* Adds HashMapDelay struct to utils
* Initial network restructure
* Network restructure. Adds new types for v0.2.0
* Removes build artefacts
* Shift validation to beacon chain
* Temporarily remove gossip validation
This is to be updated to match current optimisation efforts.
* Adds AggregateAndProof
* Begin rebuilding pubsub encoding/decoding
* Signature hacking
* Shift gossipsup decoding into eth2_libp2p
* Existing EF tests passing with fake_crypto
* Shifts block encoding/decoding into RPC
* Delete outdated API spec
* All release tests passing bar genesis state parsing
* Update and test YamlConfig
* Update to spec v0.10 compatible BLS
* Updates to BLS EF tests
* Add EF test for AggregateVerify
And delete unused hash2curve tests for uncompressed points
* Update EF tests to v0.10.1
* Use optional block root correctly in block proc
* Use genesis fork in deposit domain. All tests pass
* Fast aggregate verify test
* Update REST API docs
* Fix unused import
* Bump spec tags to v0.10.1
* Add `seconds_per_eth1_block` to chainspec
* Update to timestamp based eth1 voting scheme
* Return None from `get_votes_to_consider` if block cache is empty
* Handle overflows in `is_candidate_block`
* Revert to failing tests
* Fix eth1 data sets test
* Choose default vote according to spec
* Fix collect_valid_votes tests
* Fix `get_votes_to_consider` to choose all eligible blocks
* Uncomment winning_vote tests
* Add comments; remove unused code
* Reduce seconds_per_eth1_block for simulation
* Addressed review comments
* Add test for default vote case
* Fix logs
* Remove unused functions
* Meter default eth1 votes
* Fix comments
* Progress on attestation service
* Address review comments; remove unused dependency
* Initial work on removing libp2p lock
* Add LRU caches to store (rollup)
* Update attestation validation for DB changes (WIP)
* Initial version of should_forward_block
* Scaffold
* Progress on attestation validation
Also, consolidate prod+testing slot clocks so that they share much
of the same implementation and can both handle sub-slot time changes.
* Removes lock from libp2p service
* Completed network lock removal
* Finish(?) attestation processing
* Correct network termination future
* Add slot check to block check
* Correct fmt issues
* Remove Drop implementation for network service
* Add first attempt at attestation proc. re-write
* Add version 2 of attestation processing
* Minor fixes
* Add validator pubkey cache
* Make get_indexed_attestation take a committee
* Link signature processing into new attn verification
* First working version
* Ensure pubkey cache is updated
* Add more metrics, slight optimizations
* Clone committee cache during attestation processing
* Update shuffling cache during block processing
* Remove old commented-out code
* Fix shuffling cache insert bug
* Used indexed attestation in fork choice
* Restructure attn processing, add metrics
* Add more detailed metrics
* Tidy, fix failing tests
* Fix failing tests, tidy
* Address reviewers suggestions
* Disable/delete two outdated tests
* Modification of validator for subscriptions
* Add slot signing to validator client
* Further progress on validation subscription
* Adds necessary validator subscription functionality
* Add new Pubkeys struct to signature_sets
* Refactor with functional approach
* Update beacon chain
* Clean up validator <-> beacon node http types
* Add aggregator status to ValidatorDuty
* Impl Clone for manual slot clock
* Fix minor errors
* Further progress validator client subscription
* Initial subscription and aggregation handling
* Remove decompressed member from pubkey bytes
* Progress to modifying val client for attestation aggregation
* First draft of validator client upgrade for aggregate attestations
* Add hashmap for indices lookup
* Add state cache, remove store cache
* Only build the head committee cache
* Removes lock on a network channel
* Partially implement beacon node subscription http api
* Correct compilation issues
* Change `get_attesting_indices` to use Vec
* Fix failing test
* Partial implementation of timer
* Adds timer, removes exit_future, http api to op pool
* Partial multiple aggregate attestation handling
* Permits bulk messages accross gossipsub network channel
* Correct compile issues
* Improve gosispsub messaging and correct rest api helpers
* Added global gossipsub subscriptions
* Update validator subscriptions data structs
* Tidy
* Re-structure validator subscriptions
* Initial handling of subscriptions
* Re-structure network service
* Add pubkey cache persistence file
* Add more comments
* Integrate persistence file into builder
* Add pubkey cache tests
* Add HashSetDelay and introduce into attestation service
* Handles validator subscriptions
* Add data_dir to beacon chain builder
* Remove Option in pubkey cache persistence file
* Ensure consistency between datadir/data_dir
* Fix failing network test
* Peer subnet discovery gets queued for future subscriptions
* Reorganise attestation service functions
* Initial wiring of attestation service
* First draft of attestation service timing logic
* Correct minor typos
* Tidy
* Fix todos
* Improve tests
* Add PeerInfo to connected peers mapping
* Fix compile error
* Fix compile error from merge
* Split up block processing metrics
* Tidy
* Refactor get_pubkey_from_state
* Remove commented-out code
* Rename state_cache -> checkpoint_cache
* Rename Checkpoint -> Snapshot
* Tidy, add comments
* Tidy up find_head function
* Change some checkpoint -> snapshot
* Add tests
* Expose max_len
* Remove dead code
* Tidy
* Fix bug
* Add sync-speed metric
* Add first attempt at VerifiableBlock
* Start integrating into beacon chain
* Integrate VerifiableBlock
* Rename VerifableBlock -> PartialBlockVerification
* Add start of typed methods
* Add progress
* Add further progress
* Rename structs
* Add full block verification to block_processing.rs
* Further beacon chain integration
* Update checks for gossip
* Add todo
* Start adding segement verification
* Add passing chain segement test
* Initial integration with batch sync
* Minor changes
* Tidy, add more error checking
* Start adding chain_segment tests
* Finish invalid signature tests
* Include single and gossip verified blocks in tests
* Add gossip verification tests
* Start adding docs
* Finish adding comments to block_processing.rs
* Rename block_processing.rs -> block_verification
* Start removing old block processing code
* Fixes beacon_chain compilation
* Fix project-wide compile errors
* Remove old code
* Correct code to pass all tests
* Fix bug with beacon proposer index
* Fix shim for BlockProcessingError
* Only process one epoch at a time
* Fix loop in chain segment processing
* Correct tests from master merge
* Add caching for state.eth1_data_votes
* Add BeaconChain::validator_pubkey
* Revert "Add caching for state.eth1_data_votes"
This reverts commit cd73dcd6434fb8d8e6bf30c5356355598ea7b78e.
Co-authored-by: Grant Wuerker <gwuerker@gmail.com>
Co-authored-by: Michael Sproul <michael@sigmaprime.io>
Co-authored-by: Michael Sproul <micsproul@gmail.com>
Co-authored-by: pawan <pawandhananjay@gmail.com>
Co-authored-by: Paul Hauner <paul@paulhauner.com>
* Update to spec v0.9.0
* Update to v0.9.1
* Bump spec tags for v0.9.1
* Formatting, fix CI failures
* Resolve accidental KeyPair merge conflict
* Document new BeaconState functions
* Add `validator` changes from `validator-to-rest`
* Add initial (failing) REST api tests
* Fix signature parsing
* Add more tests
* Refactor http router
* Add working tests for publish beacon block
* Add validator duties tests
* Move account_manager under `lighthouse` binary
* Unify logfile handling in `environment` crate.
* Fix incorrect cache drops in `advance_caches`
* Update fork choice for v0.9.1
* Add `deposit_contract` crate
* Add progress on validator onboarding
* Add unfinished attesation code
* Update account manager CLI
* Write eth1 data file as hex string
* Integrate ValidatorDirectory with validator_client
* Move ValidatorDirectory into validator_client
* Clean up some FIXMEs
* Add beacon_chain_sim
* Fix a few docs/logs
* Expand `beacon_chain_sim`
* Fix spec for `beacon_chain_sim
* More testing for api
* Start work on attestation endpoint
* Reject empty attestations
* Allow attestations to genesis block
* Add working tests for `rest_api` validator endpoint
* Remove grpc from beacon_node
* Start heavy refactor of validator client
- Block production is working
* Prune old validator client files
* Start works on attestation service
* Add attestation service to validator client
* Use full pubkey for validator directories
* Add validator duties post endpoint
* Use par_iter for keypair generation
* Use bulk duties request in validator client
* Add version http endpoint tests
* Add interop keys and startup wait
* Ensure a prompt exit
* Add duties pruning
* Fix compile error in beacon node tests
* Add github workflow
* Modify rust.yaml
* Modify gitlab actions
* Add to CI file
* Add sudo to CI npm install
* Move cargo fmt to own job in tests
* Fix cargo fmt in CI
* Add rustup update before cargo fmt
* Change name of CI job
* Make other CI jobs require cargo fmt
* Add CI badge
* Remove gitlab and travis files
* Add different http timeout for debug
* Update docker file, use makefile in CI
* Use make in the dockerfile, skip the test
* Use the makefile for debug GI test
* Update book
* Tidy grpc and misc things
* Apply discv5 fixes
* Address other minor issues
* Fix warnings
* Attempt fix for addr parsing
* Tidy validator config, CLIs
* Tidy comments
* Tidy signing, reduce ForkService duplication
* Fail if skipping too many slots
* Set default recent genesis time to 0
* Add custom http timeout to validator
* Fix compile bug in node_test_rig
* Remove old bootstrap flag from val CLI
* Update docs
* Tidy val client
* Change val client log levels
* Add comments, more validity checks
* Fix compile error, add comments
* Undo changes to eth2-libp2p/src
* Reduce duplication of keypair generation
* Add more logging for validator duties
* Fix beacon_chain_sim, nitpicks
* Fix compile error, minor nits
* Update to use v0.9.2 version of deposit contract
* Add efforts to automate eth1 testnet deployment
* Fix lcli testnet deployer
* Modify bn CLI to parse eth2_testnet_dir
* Progress with account_manager deposit tools
* Make account manager submit deposits
* Add password option for submitting deposits
* Allow custom deposit amount
* Add long names to lcli clap
* Add password option to lcli deploy command
* Fix minor bugs whilst testing
* Address Michael's comments
* Add refund-deposit-contract to lcli
* Use time instead of skip count for denying long skips
* Improve logging for eth1
* Fix bug with validator services exiting on error
* Drop the block cache after genesis
* Modify eth1 testnet config
* Improve eth1 logging
* Make validator wait until genesis time
* Fix bug in eth1 voting
* Add more logging to eth1 voting
* Handle errors in eth1 http module
* Set SECONDS_PER_DAY to sensible minimum
* Shorten delay before testnet start
* Ensure eth1 block is produced without any votes
* Improve eth1 logging
* Fix broken tests in eth1
* Tidy code in rest_api
* Fix failing test in deposit_contract
* Make CLI args more consistent
* Change validator/duties endpoint
* Add time-based skip slot limiting
* Add new error type missed in previous commit
* Add log when waiting for genesis
* Refactor beacon node CLI
* Remove unused dep
* Add lcli eth1-genesis command
* Fix bug in master merge
* Apply clippy lints to beacon node
* Add support for YamlConfig in Eth2TestnetDir
* Upgrade tesnet deposit contract version
* Remove unnecessary logging and correct formatting
* Add a hardcoded eth2 testnet config
* Ensure http server flag works. Overwrite configs with flags.
* Ensure boot nodes are loaded from testnet dir
* Fix account manager CLI bugs
* Fix bugs with beacon node cli
* Allow testnet dir without boot nodes
* Write genesis state as SSZ
* Remove ---/n from the start of testnet_dir files
* Set default libp2p address
* Tidy account manager CLI, add logging
* Add check to see if testnet dir exists
* Apply reviewers suggestions
* Add HeadTracker struct
* Add fork choice persistence
* Shorten slot time for simulator
* Add the /beacon/heads API endpoint
* Update hardcoded testnet
* Add tests for BeaconChain persistence + fix bugs
* Extend BeaconChain persistence testing
* Ensure chain is finalized b4 persistence tests
* Ensure boot_enr.yaml is include in binary
* Refactor beacon_chain_sim
* Move files about in beacon sim
* Update beacon_chain_sim
* Fix bug with deposit inclusion
* Increase log in genesis service, fix todo
* Tidy sim, fix broken rest_api tests
* Fix more broken tests
* Update testnet
* Fix broken rest api test
* Tidy account manager CLI
* Use tempdir for account manager
* Stop hardcoded testnet dir from creating dir
* Rename Eth2TestnetDir to Eth2TestnetConfig
* Change hardcoded -> hard_coded
* Tidy account manager
* Add log to account manager
* Tidy, ensure head tracker is loaded from disk
* Tidy beacon chain builder
* Tidy eth1_chain
* Adds log support for simulator
* Revert "Adds log support for simulator"
This reverts commit ec77c66a052350f551db145cf20f213823428dd3.
* Adds log support for simulator
* Tidy after self-review
* Change default log level
* Address Michael's delicious PR comments
* Fix off-by-one in tests
* Create libp2p instance
* Change logger to stdlog
* test_connection initial commit
* Add gossipsub test
* Delete tests in network crate
* Add test module
* Clean tests
* Remove dependency on discovery
* Working publish between 2 nodes
TODO: Publish should be called just once
* Working 2 peer gossipsub test with additional events
* Cleanup test
* Add rpc test
* Star topology discovery WIP
* build_nodes builds and connects n nodes. Increase nodes in gossipsub test
* Add unsubscribe method and expose reference to gossipsub object for gossipsub tests
* Add gossipsub message forwarding test
* Fix gossipsub forward test
* Test improvements
* Remove discovery tests
* Simplify gossipsub forward test topology
* Add helper functions for topology building
* Clean up tests
* Update naming to new network spec
* Correct ssz encoding of protocol names
* Further additions to network upgrade
* Initial network spec update WIP
* Temp commit
* Builds one side of the streamed RPC responses
* Temporary commit
* Propagates streaming changes up into message handler
* Intermediate network update
* Partial update in upgrading to the new network spec
* Update dependencies, remove redundant deps
* Correct sync manager for block stream handling
* Re-write of RPC handler, improves efficiency and corrects bugs
* Stream termination update
* Completed refactor of rpc handler
* Remove crates
* Correct compile issues associated with test merge
* Build basic tests and testing structure for eth2-libp2p
* Enhance RPC tests and add logging
* Complete RPC testing framework and STATUS test
* Decoding bug fixes, log improvements, stream test
* Clean up RPC handler logging
* Decoder bug fix, empty block stream test
* Add BlocksByRoot RPC test
* Add Goodbye RPC test
* Syncing and stream handling bug fixes and performance improvements
* Applies discv5 bug fixes
* Adds DHT IP filtering for lighthouse - currently disabled
* Adds randomized network propagation as a CLI arg
* Add disconnect functionality
* Adds attestation handling and parent lookup
* Adds RPC error handling for the sync manager
* Allow parent's blocks to be already processed
* Update github workflow
* Adds reviewer suggestions
Updates lighthouse to the latest networking spec
- Sync re-write (#496)
- Updates to the latest eth2 networking spec (#495)
- Libp2p updates and improvements
* Change reduced tree for adding weightless node
* Add more comments for reduced tree fork choice
* Small refactor on reduced tree for readability
* Move test_harness forking logic into itself
* Add new `AncestorIter` trait to store
* Add unfinished tests to fork choice
* Make `beacon_state.genesis_block_root` public
* Add failing lmd_ghost fork choice tests
* Extend fork_choice tests, create failing test
* Implement Debug for generic ReducedTree
* Add lazy_static to fork choice tests
* Add verify_integrity fn to reduced tree
* Fix bugs in reduced tree
* Ensure all reduced tree tests verify integrity
* Slightly alter reduce tree test params
* Add (failing) reduced tree test
* Fix bug in fork choice
Iter ancestors was not working well with skip slots
* Put maximum depth for common ancestor search
Ensures that we don't search back past the finalized root.
* Add basic finalization tests for reduced tree
* Change fork choice to use beacon_block_root
Previously it was using target_root, which was wrong
* Change reduced tree for adding weightless node
* Add more comments for reduced tree fork choice
* Small refactor on reduced tree for readability
* Move test_harness forking logic into itself
* Add new `AncestorIter` trait to store
* Add unfinished tests to fork choice
* Make `beacon_state.genesis_block_root` public
* Add failing lmd_ghost fork choice tests
* Extend fork_choice tests, create failing test
* Implement Debug for generic ReducedTree
* Add lazy_static to fork choice tests
* Add verify_integrity fn to reduced tree
* Fix bugs in reduced tree
* Ensure all reduced tree tests verify integrity
* Slightly alter reduce tree test params
* Add (failing) reduced tree test
* Fix bug in fork choice
Iter ancestors was not working well with skip slots
* Put maximum depth for common ancestor search
Ensures that we don't search back past the finalized root.
* Add basic finalization tests for reduced tree
* Add network dir CLI flag
* Simplify "NewSlot" log message
* Rename network-dir CLI flag
* Change fork choice to use beacon_block_root
Previously it was using target_root, which was wrong
* Update db dir size for metrics
* Change slog to use `FullFormat` logging
* Update some comments and log formatting
* Add prom gauge for best block root
* Only add known target blocks to fork choice
* Add finalized and justified root prom metrics
* Add CLI flag for setting log level
* Add logger to beacon chain
* Add debug-level CLI flag to validator
* Allow block processing if fork choice fails
* Create warn log when there's low libp2p peer count
* Minor change to logging
* Make ancestor iter return option
* Disable fork choice test when !debug_assertions
* Fix type, removed code fragment
* Tidy some borrow-checker evading
* Lower reduced tree random test iterations
