Sync Re-Write (#663)

* 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

* Correct math error, downgraded logs

* Add RPC error handling and improved syncing code

* Add libp2p stream error handling and dropping of invalid peers

* Lower logs

* Add discovery tweak

* Correct libp2p service locking

* Handles peer disconnects for sync

* Add logs downgrade discovery log

* 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

* Range sync refactor

- Introduces `ChainCollection`
- Correct Disconnect node handling
- Removes duplicate code

* Various bug fixes

* Remove unnecessary logs

* Maintain syncing state in the transition from finalied to head

* Improved disconnect handling

* Adds forwards block interator

* Notifies lighthouse on stream timeouts

* Apply new gossipsub updates

beacon_node/eth2-libp2p/Cargo.toml

@@ -8,8 +8,8 @@ edition = "2018"
 hex = "0.3"
 # rust-libp2p is presently being sourced from a Sigma Prime fork of the
 # `libp2p/rust-libp2p` repository.
-libp2p =  { git = "https://github.com/SigP/rust-libp2p", rev = "f9ac7d542dc3e0b65c5cbbe4f45bfc3382ab2b4d" }
-enr =  { git = "https://github.com/SigP/rust-libp2p/", rev = "f9ac7d542dc3e0b65c5cbbe4f45bfc3382ab2b4d", features = ["serde"] }
+libp2p =  { git = "https://github.com/SigP/rust-libp2p", rev = "3f9b030e29c9b31f9fe6f2ed27be4a813e2b3701" }
+enr =  { git = "https://github.com/SigP/rust-libp2p/", rev = "3f9b030e29c9b31f9fe6f2ed27be4a813e2b3701", features = ["serde"] }
 types = { path =  "../../eth2/types" }
 serde = "1.0.102"
 serde_derive = "1.0.102"