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* Delete outdated API spec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* Disable/delete two outdated tests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* Delete outdated eth1 test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

eth2/utils/bls/src/fake_signature.rs

@@ -20,7 +20,7 @@ pub struct FakeSignature {
 
 impl FakeSignature {
     /// Creates a new all-zero's signature
-    pub fn new(_msg: &[u8], _domain: u64, _sk: &SecretKey) -> Self {
+    pub fn new(_msg: &[u8], _sk: &SecretKey) -> Self {
         FakeSignature::zero()
     }
 
@@ -39,7 +39,7 @@ impl FakeSignature {
     }
 
     /// _Always_ returns `true`.
-    pub fn verify(&self, _msg: &[u8], _domain: u64, _pk: &PublicKey) -> bool {
+    pub fn verify(&self, _msg: &[u8], _pk: &PublicKey) -> bool {
         true
     }
 
@@ -124,7 +124,7 @@ mod tests {
     pub fn test_ssz_round_trip() {
         let keypair = Keypair::random();
 
-        let original = FakeSignature::new(&[42, 42], 0, &keypair.sk);
+        let original = FakeSignature::new(&[42, 42], &keypair.sk);
 
         let bytes = ssz_encode(&original);
         let decoded = FakeSignature::from_ssz_bytes(&bytes).unwrap();