Initial work towards v0.2.0 (#924)

* 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* Delete outdated API spec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>

beacon_node/eth2-libp2p/tests/common/mod.rs

@@ -5,6 +5,9 @@ use eth2_libp2p::NetworkConfig;
 use eth2_libp2p::Service as LibP2PService;
 use slog::{debug, error, o, Drain};
 use std::time::Duration;
+use types::MinimalEthSpec;
+
+type E = MinimalEthSpec;
 use tempdir::TempDir;
 
 pub fn build_log(level: slog::Level, enabled: bool) -> slog::Logger {
@@ -43,7 +46,7 @@ pub fn build_libp2p_instance(
     boot_nodes: Vec<Enr>,
     secret_key: Option<String>,
     log: slog::Logger,
-) -> LibP2PService {
+) -> LibP2PService<E> {
     let config = build_config(port, boot_nodes, secret_key);
     // launch libp2p service
     LibP2PService::new(&config, log.clone())
@@ -52,15 +55,19 @@ pub fn build_libp2p_instance(
 }
 
 #[allow(dead_code)]
-pub fn get_enr(node: &LibP2PService) -> Enr {
+pub fn get_enr(node: &LibP2PService<E>) -> Enr {
     node.swarm.discovery().local_enr().clone()
 }
 
 // Returns `n` libp2p peers in fully connected topology.
 #[allow(dead_code)]
-pub fn build_full_mesh(log: slog::Logger, n: usize, start_port: Option<u16>) -> Vec<LibP2PService> {
+pub fn build_full_mesh(
+    log: slog::Logger,
+    n: usize,
+    start_port: Option<u16>,
+) -> Vec<LibP2PService<E>> {
     let base_port = start_port.unwrap_or(9000);
-    let mut nodes: Vec<LibP2PService> = (base_port..base_port + n as u16)
+    let mut nodes: Vec<LibP2PService<E>> = (base_port..base_port + n as u16)
         .map(|p| build_libp2p_instance(p, vec![], None, log.clone()))
         .collect();
     let multiaddrs: Vec<Multiaddr> = nodes
@@ -84,7 +91,10 @@ pub fn build_full_mesh(log: slog::Logger, n: usize, start_port: Option<u16>) ->
 // Constructs a pair of nodes with seperate loggers. The sender dials the receiver.
 // This returns a (sender, receiver) pair.
 #[allow(dead_code)]
-pub fn build_node_pair(log: &slog::Logger, start_port: u16) -> (LibP2PService, LibP2PService) {
+pub fn build_node_pair(
+    log: &slog::Logger,
+    start_port: u16,
+) -> (LibP2PService<E>, LibP2PService<E>) {
     let sender_log = log.new(o!("who" => "sender"));
     let receiver_log = log.new(o!("who" => "receiver"));
 
@@ -101,9 +111,9 @@ pub fn build_node_pair(log: &slog::Logger, start_port: u16) -> (LibP2PService, L
 
 // Returns `n` peers in a linear topology
 #[allow(dead_code)]
-pub fn build_linear(log: slog::Logger, n: usize, start_port: Option<u16>) -> Vec<LibP2PService> {
+pub fn build_linear(log: slog::Logger, n: usize, start_port: Option<u16>) -> Vec<LibP2PService<E>> {
     let base_port = start_port.unwrap_or(9000);
-    let mut nodes: Vec<LibP2PService> = (base_port..base_port + n as u16)
+    let mut nodes: Vec<LibP2PService<E>> = (base_port..base_port + n as u16)
         .map(|p| build_libp2p_instance(p, vec![], None, log.clone()))
         .collect();
     let multiaddrs: Vec<Multiaddr> = nodes