* Implement freezer database for state vectors
* Improve BeaconState safe accessors
And fix a bug in the compact committees accessor.
* Banish dodgy type bounds back to gRPC
* Clean up
* Switch to exclusive end points in chunked vec
* Cleaning up and start of tests
* Randao fix, more tests
* Fix unsightly hack
* Resolve test FIXMEs
* Config file support
* More clean-ups, migrator beginnings
* Finish migrator, integrate into BeaconChain
* Fixups
* Fix store tests
* Fix BeaconChain tests
* Fix LMD GHOST tests
* Address review comments, delete 'static bounds
* Cargo format
* Address review comments
* Fix LMD ghost tests
* 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
* Fix incorrect cache drops in `advance_caches`
* Update fork choice for v0.9.1
* Clean up some FIXMEs
* Fix a few docs/logs
* Update for new builder paradigm, spec changes
* Freezer DB integration into BeaconNode
* Cleaning up
* This works, clean it up
* Cleanups
* Fix and improve store tests
* Refine store test
* Delete unused beacon_chain_builder.rs
* Fix CLI
* Store state at split slot in hot database
* Make fork choice lookup fast again
* Store freezer DB split slot in the database
* Handle potential div by 0 in chunked_vector
* Exclude committee caches from freezer DB
* Remove FIXME about long-running test
* 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
* Address Michael's comments
* Refactor to cache Eth1Data
* Fix merge conflicts and minor refactorings
* Rename Eth1Cache to Eth1DataCache
* Refactor events subscription
* Add deposits module to interface with BeaconChain deposits
* Remove utils
* Rename to types.rs and add trait constraints to Eth1DataFetcher
* Confirm to trait constraints. Make Web3DataFetcher cloneable
* Make fetcher object member of deposit and eth1_data cache and other fixes
* Fix update_cache function
* Move fetch_eth1_data to impl block
* Fix deposit tests
* Create Eth1 object for interfacing with Beacon chain
* Add `run` function for running update_cache and subscribe_deposit_logs tasks
* Add logging
* Run `cargo fmt` and make tests pass
* Convert sync functions to async
* Add timeouts to web3 functions
* Return futures from cache functions
* Add failed chaining of futures
* Working cache updation
* Clean up tests and `update_cache` function
* Refactor `get_eth1_data` functions to work with future returning functions
* Refactor eth1 `run` function to work with modified `update_cache` api
* Minor changes
* Add distance parameter to `update_cache`
* Fix tests and other minor fixes
* Working integration with cache and deposits
* Add merkle_tree construction, proof generation and verification code
* Add function to construct and fetch Deposits for BeaconNode
* Add error handling
* Import ssz
* Add error handling to eth1 cache and fix minor errors
* Run rustfmt
* Fix minor bug
* Rename Eth1Error and change to Result<T>
* Change deposit fetching mechanism from notification based to poll based
* Add deposits from eth1 chain in a given range every `x` blocks
* Modify `run` function to accommodate changes
* Minor fixes
* Fix formatting
* Initial commit. web3 api working.
* Tidied up lib. Add function for fetching logs.
* Refactor with `Eth1DataFetcher` trait
* Add parsing for deposit contract logs and get_eth1_data function
* Add `get_eth1_votes` function
* Refactor to cache Eth1Data
* Fix merge conflicts and minor refactorings
* Rename Eth1Cache to Eth1DataCache
* Refactor events subscription
* Add deposits module to interface with BeaconChain deposits
* Remove utils
* Rename to types.rs and add trait constraints to Eth1DataFetcher
* Confirm to trait constraints. Make Web3DataFetcher cloneable
* Make fetcher object member of deposit and eth1_data cache and other fixes
* Fix update_cache function
* Move fetch_eth1_data to impl block
* Fix deposit tests
* Create Eth1 object for interfacing with Beacon chain
* Add `run` function for running update_cache and subscribe_deposit_logs tasks
* Add logging
* Run `cargo fmt` and make tests pass
* Convert sync functions to async
* Add timeouts to web3 functions
* Return futures from cache functions
* Add failed chaining of futures
* Working cache updation
* Clean up tests and `update_cache` function
* Refactor `get_eth1_data` functions to work with future returning functions
* Refactor eth1 `run` function to work with modified `update_cache` api
* Minor changes
* Add distance parameter to `update_cache`
* Fix tests and other minor fixes
* Working integration with cache and deposits
* Add merkle_tree construction, proof generation and verification code
* Add function to construct and fetch Deposits for BeaconNode
* Add error handling
* Import ssz
* Add error handling to eth1 cache and fix minor errors
* Run rustfmt
* Fix minor bug
* Rename Eth1Error and change to Result<T>
* Change deposit fetching mechanism from notification based to poll based
* Add deposits from eth1 chain in a given range every `x` blocks
* Modify `run` function to accommodate changes
* Minor fixes
* Fix formatting
* Fix merge issue
* Refactor with `Config` struct. Remote `ContractConfig`
* Rename eth1_chain crate to eth1
* Rename files and read abi file using `fs::read`
* Move eth1 to lib
* Remove unnecessary mutability constraint
* Add `Web3Backend` for returning actual eth1 data
* Refactor `get_eth1_votes` to return a Result
* Delete `eth1_chain` crate
* Return `Result` from `get_deposits`
* Fix range of deposits to return to beacon chain
* Add `get_block_height_by_hash` trait function
* Add naive method for getting `previous_eth1_distance`
* Add eth1 config params to main config
* Add instructions for setting up eth1 testing environment
* Add build script to fetch deposit contract abi
* Contract ABI is part of compiled binary
* Fix minor bugs
* Move docs to lib
* Add timeout to config
* Remove print statements
* Change warn to error
* Fix typos
* Removed prints in test and get timeout value from config
* Fixed error types
* Added logging to web3_fetcher
* Refactor for modified web3 api
* Fix minor stuff
* Add build script
* Tidy, hide eth1 integration tests behind flag
* Add http crate
* Add first stages of eth1_test_rig
* Fix deposits on test rig
* Fix bug with deposit count method
* Add block hash getter to http eth1
* Clean eth1 http crate and tests
* Add script to start ganache
* Adds deposit tree to eth1-http
* Extend deposit tree tests
* Tidy tests in eth1-http
* Add more detail to get block request
* Add block cache to eth1-http
* Rename deposit tree to deposit cache
* Add inital updating to eth1-http
* Tidy updater
* Fix compile bugs in tests
* Adds an Eth1DataCache builder
* Reorg eth1-http files
* Add (failing) tests for eth1 updater
* Rename files, fix bug in eth1-http
* Ensure that ganache timestamps are increasing
* Fix bugs with getting eth1data ancestors
* Improve eth1 testing, fix bugs
* Add truncate method to block cache
* Add pruning to block cache update process
* Add tests for block pruning
* Allow for dropping an expired cache.
* Add more comments
* Add first compiling version of deposit updater
* Add common fn for getting range of required blocks
* Add passing deposit update test
* Improve tests
* Fix block pruning bug
* Add tests for running two updates at once
* Add updater services to eth1
* Add deposit collection to beacon chain
* Add incomplete builder experiments
* Add first working version of beacon chain builder
* Update test harness to new beacon chain type
* Rename builder file, tidy
* Add first working client builder
* Progress further on client builder
* Update becaon node binary to use client builder
* Ensure release tests compile
* Remove old eth1 crate
* Add first pass of new lighthouse binary
* Fix websocket server startup
* Remove old binary code from beacon_node crate
* Add first working beacon node tests
* Add genesis crate, new eth1 cache_2
* Add Serivce to Eth1Cache
* Refactor with general eth1 improvements
* Add passing genesis test
* Tidy, add comments
* Add more comments to eth1 service
* Add further eth1 progress
* Fix some bugs with genesis
* Fix eth1 bugs, make eth1 linking more efficient
* Shift logic in genesis service
* Add more comments to genesis service
* Add gzip, max request values, timeouts to http
* Update testnet parameters to suit goerli testnet
* Add ability to vary Fork, fix custom spec
* Be more explicit about deposit fork version
* Start adding beacon chain eth1 option
* Add more flexibility to prod client
* Further runtime refactoring
* Allow for starting from store
* Add bootstrapping to client config
* Add remote_beacon_node crate
* Update eth1 service for more configurability
* Update eth1 tests to use less runtimes
* Patch issues with tests using too many files
* Move dummy eth1 backend flag
* Ensure all tests pass
* Add ganache-cli to Dockerfile
* Use a special docker hub image for testing
* Appease clippy
* Move validator client into lighthouse binary
* Allow starting with dummy eth1 backend
* Improve logging
* Fix dummy eth1 backend from cli
* Add extra testnet command
* Ensure consistent spec in beacon node
* Update eth1 rig to work on goerli
* Tidy lcli, start adding support for yaml config
* Add incomplete YamlConfig struct
* Remove efforts at YamlConfig
* Add incomplete eth1 voting. Blocked on spec issues
* Add (untested) first pass at eth1 vote algo
* Add tests for winning vote
* Add more tests for eth1 chain
* Add more eth1 voting tests
* Added more eth1 voting testing
* Change test name
* Add more tests to eth1 chain
* Tidy eth1 generics, add more tests
* Improve comments
* Tidy beacon_node tests
* Tidy, rename JsonRpc.. to Caching..
* Tidy voting logic
* Tidy builder docs
* Add comments, tidy eth1
* Add more comments to eth1
* Fix bug with winning_vote
* Add doc comments to the `ClientBuilder`
* Remove commented-out code
* Improve `ClientBuilder` docs
* Add comments to client config
* Add decoding test for `ClientConfig`
* Remove unused `DepositSet` struct
* Tidy `block_cache`
* Remove commented out lines
* Remove unused code in `eth1` crate
* Remove old validator binary `main.rs`
* Tidy, fix tests compile error
* Add initial tests for get_deposits
* Remove dead code in eth1_test_rig
* Update TestingDepositBuilder
* Add testing for getting eth1 deposits
* Fix duplicate rand dep
* Remove dead code
* Remove accidentally-added files
* Fix comment in eth1_genesis_service
* Add .gitignore for eth1_test_rig
* Fix bug in eth1_genesis_service
* Remove dead code from eth2_config
* Fix tabs/spaces in root Cargo.toml
* Tidy eth1 crate
* Allow for re-use of eth1 service after genesis
* Update docs for new CLI
* Change README gif
* Tidy eth1 http module
* Tidy eth1 service
* Tidy environment crate
* Remove unused file
* Tidy, add comments
* Remove commented-out code
* Address majority of Michael's comments
* Address other PR comments
* Add link to issue alongside TODO
* Change into_iter to iter
* Fix clippy 'easy' warnings
* Clippy eth2/utils
* Add struct NetworkInfo
* Clippy for types, utils, and beacon_node/store/src/iters.rs
* Cargo fmt
* Change foo to my_foo
* Remove complex signature
* suppress clippy warning for unit_value in benches
* Use enumerate instead of iterating over range
* Allow trivially_copy_pass_by_ref in serde_utils
* Renamed fork_choice::process_attestation_from_block
* Processing attestation in fork choice
* Retrieving state from store and checking signature
* Looser check on beacon state validity.
* Cleaned up get_attestation_state
* Expanded fork choice api to provide latest validator message.
* Checking if the an attestation contains a latest message
* Correct process_attestation error handling.
* Copy paste error in comment fixed.
* Tidy ancestor iterators
* Getting attestation slot via helper method
* Refactored attestation creation in test utils
* Revert "Refactored attestation creation in test utils"
This reverts commit 4d277fe4239a7194758b18fb5c00dfe0b8231306.
* Integration tests for free attestation processing
* Implicit conflicts resolved.
* formatting
* Do first pass on Grants code
* Add another attestation processing test
* Tidy attestation processing
* Remove old code fragment
* Add non-compiling half finished changes
* Simplify, fix bugs, add tests for chain iters
* Remove attestation processing from op pool
* Fix bug with fork choice, tidy
* Fix overly restrictive check in fork choice.
* Ensure committee cache is build during attn proc
* Ignore unknown blocks at fork choice
* Various minor fixes
* Make fork choice write lock in to read lock
* Remove unused method
* Tidy comments
* Fix attestation prod. target roots change
* Fix compile error in store iters
* Reject any attestation prior to finalization
* Begin metrics refactor
* Move beacon_chain to new metrics structure.
* Make metrics not panic if already defined
* Use global prometheus gather at rest api
* Unify common metric fns into a crate
* Add heavy metering to block processing
* Remove hypen from prometheus metric name
* Add more beacon chain metrics
* Add beacon chain persistence metric
* Prune op pool on finalization
* Add extra prom beacon chain metrics
* Prefix BeaconChain metrics with "beacon_"
* Add more store metrics
* Add basic metrics to libp2p
* Add metrics to HTTP server
* Remove old `http_server` crate
* Update metrics names to be more like standard
* Fix broken beacon chain metrics, add slot clock metrics
* Add lighthouse_metrics gather fn
* Remove http args
* Fix wrong state given to op pool prune
* Make prom metric names more consistent
* Add more metrics, tidy existing metrics
* Fix store block read metrics
* Tidy attestation metrics
* Fix minor PR comments
* Fix minor PR comments
* Remove duplicated attestation finalization check
* Remove awkward `let` statement
* Add first attempts at HTTP bootstrap
* Add beacon_block methods to rest api
* Fix serde for block.body.grafitti
* Allow travis failures on beta (see desc)
There's a non-backward compatible change in `cargo fmt`. Stable and beta
do not agree.
* Add network routes to API
* Fix rustc warnings
* Add best_slot method
* Add --bootstrap arg to beacon node
* Get bootstrapper working for ENR address
* Store intermediate states during block processing
* Allow bootstrapper to scrape libp2p address
* Update bootstrapper libp2p address finding
* Add comments
* Tidy API to be more consistent with recent decisions
* Address some review comments
* Make BeaconChainTypes Send + Sync + 'static
* Add `/network/listen_port` API endpoint
* Abandon starting the node if libp2p doesn't start
* Update bootstrapper for API changes
* Remove unnecessary trait bounds
* Renamed fork_choice::process_attestation_from_block
* Processing attestation in fork choice
* Retrieving state from store and checking signature
* Looser check on beacon state validity.
* Cleaned up get_attestation_state
* Expanded fork choice api to provide latest validator message.
* Checking if the an attestation contains a latest message
* Correct process_attestation error handling.
* Copy paste error in comment fixed.
* Tidy ancestor iterators
* Getting attestation slot via helper method
* Refactored attestation creation in test utils
* Revert "Refactored attestation creation in test utils"
This reverts commit 4d277fe4239a7194758b18fb5c00dfe0b8231306.
* Integration tests for free attestation processing
* Implicit conflicts resolved.
* formatting
* Do first pass on Grants code
* Add another attestation processing test
* Tidy attestation processing
* Remove old code fragment
* Add non-compiling half finished changes
* Simplify, fix bugs, add tests for chain iters
* Remove attestation processing from op pool
* Fix bug with fork choice, tidy
* Fix overly restrictive check in fork choice.
* Ensure committee cache is build during attn proc
* Ignore unknown blocks at fork choice
* Various minor fixes
* Make fork choice write lock in to read lock
* Remove unused method
* Tidy comments
* Fix attestation prod. target roots change
* Fix compile error in store iters
* Reject any attestation prior to finalization
* Begin metrics refactor
* Move beacon_chain to new metrics structure.
* Make metrics not panic if already defined
* Use global prometheus gather at rest api
* Unify common metric fns into a crate
* Add heavy metering to block processing
* Remove hypen from prometheus metric name
* Add more beacon chain metrics
* Add beacon chain persistence metric
* Prune op pool on finalization
* Add extra prom beacon chain metrics
* Prefix BeaconChain metrics with "beacon_"
* Add more store metrics
* Add basic metrics to libp2p
* Add metrics to HTTP server
* Remove old `http_server` crate
* Update metrics names to be more like standard
* Fix broken beacon chain metrics, add slot clock metrics
* Add lighthouse_metrics gather fn
* Remove http args
* Fix wrong state given to op pool prune
* Make prom metric names more consistent
* Add more metrics, tidy existing metrics
* Fix store block read metrics
* Tidy attestation metrics
* Fix minor PR comments
* Allow travis failures on beta (see desc)
There's a non-backward compatible change in `cargo fmt`. Stable and beta
do not agree.
* Tidy `lighthouse_metrics` docs
* Fix typo
* Add half-finished rest api changes
* Add basic, messy changes to rest api
* Fix expect() in ApiRequest
* Remove ApiRequest, add route for beacon state
* Tidy rest api, add get state from root
* Add api method for getting state roots by slot
* Add test for URL helper
* Simplify state_at_slot fn
* Add tests for rest api helper fns
* Add extra tests for parse root
* Fix clippy lints
* Fix compile error in rest api
* Update test to new ethereum-types
* Rename `hashing` crate to `eth2_hashing`
* Add license, desc to eth2_hashing Cargo.toml
* Remove merkle root from eth2 hashing
* Remove old benches folder (zombied from old branch)
* Add docs to eth2_hashing
* Prepare tree_hash for publishing on crates.io
* Update deps to use crates.io instead of paths
* Update all crates to pull ssz from crates.io
* Remove cached_tree_hash, add patches to manifest
* Fix compile error in benches
* Remove unused code
* Fix fake_crypto compile error
* Implement more flexible beacon chain genesis
* Fix compile issues from rebase on master
* Rename CLI flag
* Adds initial documentation for TOML files
* Update docs readme
* Add first version of cli_util
* Dont write cache fields in serde
* Tidy cli_util
* Add code to load genesis YAML file
* Move serde_utils out of tests in `types`
* Update logging text
* Fix serde YAML for Fork
* Make yaml hex decoding more strict
* Update deterministic key generate for interop
* Set deposit count on testing genesis state
* Make some fixes for deposit count
* Remove code fragements
* Large restructure of docs
* Tidy docs
* Fix readme link
* Add interop docs
* Tidy README
* Added generated code for REST API.
- Created a new crate rest_api, which will adapt the openapi generated code to Lighthouse
- Committed automatically generated code from openapi-generator-cli (via docker). Should hopfully not have to modify this at all, and do all changes in the rest_api crate.
* Removed openapi generated code, because it was the rust client, not the rust server.
* Added the correct rust-server code, automatically generated from openapi.
* Added generated code for REST API.
- Created a new crate rest_api, which will adapt the openapi generated code to Lighthouse
- Committed automatically generated code from openapi-generator-cli (via docker). Should hopfully not have to modify this at all, and do all changes in the rest_api crate.
* Removed openapi generated code, because it was the rust client, not the rust server.
* Added the correct rust-server code, automatically generated from openapi.
* Included REST API in configuratuion.
- Started adding the rest_api into the beacon node's dependencies.
- Set up configuration file for rest_api and integrated into main client config
- Added CLI flags for REST API.
* Futher work on REST API.
- Adding the dependencies to rest_api crate
- Created a skeleton BeaconNodeService, which will handle /node requests.
- Started the rest_api server definition, with the high level request handling logic.
* Added generated code for REST API.
- Created a new crate rest_api, which will adapt the openapi generated code to Lighthouse
- Committed automatically generated code from openapi-generator-cli (via docker). Should hopfully not have to modify this at all, and do all changes in the rest_api crate.
* Removed openapi generated code, because it was the rust client, not the rust server.
* Added the correct rust-server code, automatically generated from openapi.
* Included REST API in configuratuion.
- Started adding the rest_api into the beacon node's dependencies.
- Set up configuration file for rest_api and integrated into main client config
- Added CLI flags for REST API.
* Futher work on REST API.
- Adding the dependencies to rest_api crate
- Created a skeleton BeaconNodeService, which will handle /node requests.
- Started the rest_api server definition, with the high level request handling logic.
* WIP: Restructured REST API to use hyper_router and separate services.
* WIP: Fixing rust for REST API
* WIP: Fixed up many bugs in trying to get router to compile.
* WIP: Got the beacon_node to compile with the REST changes
* Basic API works!
- Changed CLI flags from rest-api* to api*
- Fixed port cli flag
- Tested, works over HTTP
* WIP: Moved things around so that we can get state inside the handlers.
* WIP: Significant API updates.
- Started writing a macro for getting the handler functions.
- Added the BeaconChain into the type map, gives stateful access to the beacon state.
- Created new generic error types (haven't figured out yet), to reduce code duplication.
- Moved common stuff into lib.rs
* WIP: Factored macros, defined API result and error.
- did more logging when creating HTTP responses
- Tried moving stuff into macros, but can't get macros in macros to compile.
- Pulled out a lot of placeholder code.
* Fixed macros so that things compile.
* Cleaned up code.
- Removed unused imports
- Removed comments
- Addressed all compiler warnings.
- Ran cargo fmt.
* Removed auto-generated OpenAPI code.
* Addressed Paul's suggestions.
- Fixed spelling mistake
- Moved the simple macros into functions, since it doesn't make sense for them to be macros.
- Removed redundant code & inclusions.
* Removed redundant validate_request function.
* Included graceful shutdown in Hyper server.
* Fixing the dropped exit_signal, which prevented the API from starting.
* Wrapped the exit signal, to get an API shutdown log line.
* 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
* Fix syncing bugs by recursively attempting to process parents in the import queue, change BlockRootsIterator
* Swap from crossbeam channel to tokio mpsc
* Recursion fix
* Remove exess block processing
* Fix network lag, correct attestation topic
* Correct network poll logic
* Overhaul of SimpleSync and modify BlockRootsIterator to return start_slot
* Fix bug in tests relating to StateRootsIterator
* Remove old, commented-out heartbeat code.
* Tidy docs on import queue enum
* Change source logging msg in simple sync
* Rename function parameter in simple sync
* Use `BestBlockRootsIterator` in `reduced_tree`
* Update comments for `BestBlockRootsIterator`
* Fix duplicate dep in cargo.toml
