* Refactor `Attestation` production
* Add constant
* Start refactor for aggregation
* Return early when no attesting validators
* Refactor into individual functions
* Tidy, add comments
* Add first draft of NaiveAggregationPool
* Further progress on naive aggregation pool
* Fix compile errors in VC
* Change locking logic for naive pool
* Introduce AttesationType
* Add pruning, comments
* Add MAX_ATTESTATIONS_PER_SLOT restriction
* Add pruning based on slot
* Update BN for new aggregation fns
* Fix test compile errors
* Fix failing rest_api test
* Move SignedAggregateAndProof into own file
* Update docs, fix warning
* Tidy some formatting in validator API
* Remove T::default_spec from signing
* Fix failing rest test
* Tidy
* Add test, fix bug
* Improve naive pool tests
* Add max attestations test
* Revert changes to the op_pool
* Refactor timer
* 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* Delete outdated API spec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>
* Remove deprecated api_spec.yaml
* add prototype for proposer slashing
* remove clippy warnings
* Add proposer_slashing API
* Prototype for attester slashing API call
* Fix logic error in operation pool
* Finish test for attester_slashing api call
* Clean proposer_slashing test
* Cargo fmt
* Remove useless to_string after format! macro
* Cargo fmt
* Update book with new api calls
* Re-enable proposer slashing verification
* Update book with appropriate test example
* Fix proposer_slashing test
* Update comments and tests for clearer code
* Remove extraneous comments
* Fix test
* Minor fix
* Address reviewer comments
Co-authored-by: pscott <30843220+pscott@users.noreply.github.com>
* Start updating types
* WIP
* Signature hacking
* Existing EF tests passing with fake_crypto
* Updates
* Delete outdated API spec
* The refactor continues
* It compiles
* WIP test fixes
* 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
* Cargo fmt
* Fast aggregate verify test
* Update REST API docs
* Cargo fmt
* 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
* Address review comments; remove unused dependency
* Disable/delete two outdated tests
* Bump eth1 default vote warn to error
* Delete outdated eth1 test
Co-authored-by: Pawan Dhananjay <pawandhananjay@gmail.com>
If I understood correctly, this should help avoid misunderstanding of how long a sync might take.
(Another option may be a code change that log for INFO Syncing will display est_time first, before the distance.)
* Apply clippy lints to beacon node
* Remove unnecessary logging and correct formatting
* Initial bones of load-balanced range-sync
* Port bump meshsup tests
* Further structure and network handling logic added
* Basic structure, ignoring error handling
* Correct max peers delay bug
* Clean up and re-write message processor and sync manager
* Restructure directory, correct type issues
* Fix compiler issues
* Completed first testing of new sync
* Correct merge issues
* Clean up warnings
* Push attestation processed log down to dbg
* Add state enc/dec benches
* Correct math error, downgraded logs
* Add example for flamegraph
* Use `PublicKeyBytes` for `Validator`
* Ripple PublicKeyBytes change through codebase
* Add RPC error handling and improved syncing code
* Add benches, optimizations to store BeaconState
* Store BeaconState in StorageContainer too
* Optimize StorageContainer with std::mem magic
* Add libp2p stream error handling and dropping of invalid peers
* Lower logs
* Update lcli to parse spec at boot, remove pycli
* Fix issues when starting with mainnet spec
* Set default spec to mainnet
* Fix lcli --spec param
* Add discovery tweak
* Ensure ETH1_FOLLOW_DISTANCE is in YamlConfig
* Set testnet ETH1_FOLLOW_DISTANCE to 16
* Fix rest_api tests
* Set testnet min validator count
* Update with new testnet dir
* Remove some dbg, println
* Add timeout when notifier waits for libp2p lock
* Add validator count CLI flag to lcli contract deploy
* Extend genesis delay time
* Correct libp2p service locking
* Update testnet dir
* Add basic block/state caching on beacon chain
* Add decimals display to notifier sync speed
* Try merge in change to reduce fork choice calls
* Remove fork choice from process block
* Minor log fix
* Check successes > 0
* Adds checkpoint cache
* Stop storing the tree hash cache in the db
* Handles peer disconnects for sync
* Fix failing beacon chain tests
* Change eth2_testnet_config tests to Mainnet
* Add logs downgrade discovery log
* Remove dedunant beacon state write
* Fix re-org warnings
* Use caching get methods in fork choice
* Fix mistake in prev commit
* Use caching state getting in state_by_slot
* Add state.cacheless_clone
* Less fork choice (#679)
* Try merge in change to reduce fork choice calls
* Remove fork choice from process block
* Minor log fix
* Check successes > 0
* Fix failing beacon chain tests
* Fix re-org warnings
* Fix mistake in prev commit
* Attempt to improve attestation processing times
* Introduce HeadInfo struct
* Used cache tree hash for block processing
* Use cached tree hash for block production too
* Range sync refactor
- Introduces `ChainCollection`
- Correct Disconnect node handling
- Removes duplicate code
* Add more logging for DB
* Various bug fixes
* Remove unnecessary logs
* Maintain syncing state in the transition from finalied to head
* Improved disconnect handling
* Add `Speedo` struct
* Fix bugs in speedo
* Fix bug in speedo
* Fix rounding bug in speedo
* Move code around, reduce speedo observation count
* Adds forwards block interator
* Fix inf NaN
* Add first draft of validator onboarding
* Update docs
* Add documentation link to main README
* Continue docs development
* Update book readme
* Update docs
* Allow vc to run without testnet subcommand
* Small change to onboarding docs
* Tidy CLI help messages
* Update docs
* Add check to val client see if beacon node is synced
* Attempt to fix NaN bug
* Fix compile bug
* Add notifier service to validator client
* Re-order onboarding steps
* Update deposit contract address
* Update testnet dir
* Add note about public eth1 node
* Fix installation link
* Set default eth1 endpoint to sigp
* Fix broken test
* Try fix eth1 cache locking
* Be more specific about eth1 endpoint
* Increase gas limit for deposit
* Fix default deposit amount
* Fix re-org log
* Add first draft of validator onboarding
* Update docs
* Add documentation link to main README
* Continue docs development
* Update book readme
* Update docs
* Allow vc to run without testnet subcommand
* Small change to onboarding docs
* Tidy CLI help messages
* Update docs
* Add check to val client see if beacon node is synced
* Add notifier service to validator client
* Re-order onboarding steps
* Update deposit contract address
* Update testnet dir
* Add note about public eth1 node
* Set default eth1 endpoint to sigp
* Fix broken test
* Try fix eth1 cache locking
* Be more specific about eth1 endpoint
* Increase gas limit for deposit
* Fix default deposit amount
* 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
* 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
* 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
