Update to Spec v0.10 (#817)

* 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* Delete outdated API spec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* Disable/delete two outdated tests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* Delete outdated eth1 test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>

beacon_node/network/src/sync/range_sync/range.rs

@@ -52,7 +52,7 @@ use slog::{debug, error, trace, warn};
 use std::collections::HashSet;
 use std::sync::Weak;
 use tokio::sync::mpsc;
-use types::{BeaconBlock, EthSpec};
+use types::{EthSpec, SignedBeaconBlock};
 
 /// The primary object dealing with long range/batch syncing. This contains all the active and
 /// non-active chains that need to be processed before the syncing is considered complete. This
@@ -231,7 +231,7 @@ impl<T: BeaconChainTypes> RangeSync<T> {
         network: &mut SyncNetworkContext,
         peer_id: PeerId,
         request_id: RequestId,
-        beacon_block: Option<BeaconBlock<T::EthSpec>>,
+        beacon_block: Option<SignedBeaconBlock<T::EthSpec>>,
     ) {
         // Find the request. Most likely the first finalized chain (the syncing chain). If there
         // are no finalized chains, then it will be a head chain. At most, there should only be