[Altair] Sync committee pools (#2321)

Add pools supporting sync committees:
- naive sync aggregation pool
- observed sync contributions pool
- observed sync contributors pool
- observed sync aggregators pool

Add SSZ types and tests related to sync committee signatures.

Co-authored-by: Michael Sproul <michael@sigmaprime.io>
Co-authored-by: realbigsean <seananderson33@gmail.com>

testing/ef_tests/Makefile

@@ -1,4 +1,4 @@
-TESTS_TAG := v1.1.0-alpha.7
+TESTS_TAG := v1.1.0-alpha.8
 TESTS = general minimal mainnet
 TARBALLS = $(patsubst %,%-$(TESTS_TAG).tar.gz,$(TESTS))
 

testing/ef_tests/check_all_files_accessed.py

@@ -45,24 +45,6 @@ excluded_paths = [
     # LightClientSnapshot
     "tests/minimal/altair/ssz_static/LightClientSnapshot",
     "tests/mainnet/altair/ssz_static/LightClientSnapshot",
-    # ContributionAndProof
-    "tests/minimal/altair/ssz_static/ContributionAndProof",
-    "tests/mainnet/altair/ssz_static/ContributionAndProof",
-    # SignedContributionAndProof
-    "tests/minimal/altair/ssz_static/SignedContributionAndProof",
-    "tests/mainnet/altair/ssz_static/SignedContributionAndProof",
-    # SyncCommitteeContribution
-    "tests/minimal/altair/ssz_static/SyncCommitteeContribution",
-    "tests/mainnet/altair/ssz_static/SyncCommitteeContribution",
-    # SyncCommitteeMessage
-    "tests/minimal/altair/ssz_static/SyncCommitteeMessage",
-    "tests/mainnet/altair/ssz_static/SyncCommitteeMessage",
-    # SyncCommitteeSigningData
-    "tests/minimal/altair/ssz_static/SyncCommitteeSigningData",
-    "tests/mainnet/altair/ssz_static/SyncCommitteeSigningData",
-    # SyncAggregatorSelectionData
-    "tests/minimal/altair/ssz_static/SyncAggregatorSelectionData",
-    "tests/mainnet/altair/ssz_static/SyncAggregatorSelectionData",
     # Fork choice
     "tests/mainnet/phase0/fork_choice",
     "tests/minimal/phase0/fork_choice",

testing/ef_tests/src/type_name.rs

@@ -51,6 +51,7 @@ type_name_generic!(BeaconState);
 type_name_generic!(BeaconStateBase, "BeaconState");
 type_name_generic!(BeaconStateAltair, "BeaconState");
 type_name!(Checkpoint);
+type_name_generic!(ContributionAndProof);
 type_name!(Deposit);
 type_name!(DepositData);
 type_name!(DepositMessage);
@@ -64,8 +65,12 @@ type_name!(ProposerSlashing);
 type_name_generic!(SignedAggregateAndProof);
 type_name_generic!(SignedBeaconBlock);
 type_name!(SignedBeaconBlockHeader);
+type_name_generic!(SignedContributionAndProof);
 type_name!(SignedVoluntaryExit);
 type_name!(SigningData);
+type_name_generic!(SyncCommitteeContribution);
+type_name!(SyncCommitteeMessage);
+type_name!(SyncAggregatorSelectionData);
 type_name_generic!(SyncAggregate);
 type_name_generic!(SyncCommittee);
 type_name!(Validator);

testing/ef_tests/tests/tests.rs

@@ -216,6 +216,20 @@ mod ssz_static {
     }
 
     // Altair-only
+    #[test]
+    fn contribution_and_proof() {
+        SszStaticHandler::<ContributionAndProof<MinimalEthSpec>, MinimalEthSpec>::altair_only()
+            .run();
+        SszStaticHandler::<ContributionAndProof<MainnetEthSpec>, MainnetEthSpec>::altair_only()
+            .run();
+    }
+
+    #[test]
+    fn signed_contribution_and_proof() {
+        SszStaticHandler::<SignedContributionAndProof<MinimalEthSpec>, MinimalEthSpec>::altair_only().run();
+        SszStaticHandler::<SignedContributionAndProof<MainnetEthSpec>, MainnetEthSpec>::altair_only().run();
+    }
+
     #[test]
     fn sync_aggregate() {
         SszStaticHandler::<SyncAggregate<MinimalEthSpec>, MinimalEthSpec>::altair_only().run();
@@ -227,6 +241,28 @@ mod ssz_static {
         SszStaticHandler::<SyncCommittee<MinimalEthSpec>, MinimalEthSpec>::altair_only().run();
         SszStaticHandler::<SyncCommittee<MainnetEthSpec>, MainnetEthSpec>::altair_only().run();
     }
+
+    #[test]
+    fn sync_committee_contribution() {
+        SszStaticHandler::<SyncCommitteeContribution<MinimalEthSpec>, MinimalEthSpec>::altair_only(
+        )
+        .run();
+        SszStaticHandler::<SyncCommitteeContribution<MainnetEthSpec>, MainnetEthSpec>::altair_only(
+        )
+        .run();
+    }
+
+    #[test]
+    fn sync_committee_message() {
+        SszStaticHandler::<SyncCommitteeMessage, MinimalEthSpec>::altair_only().run();
+        SszStaticHandler::<SyncCommitteeMessage, MainnetEthSpec>::altair_only().run();
+    }
+
+    #[test]
+    fn sync_aggregator_selection_data() {
+        SszStaticHandler::<SyncAggregatorSelectionData, MinimalEthSpec>::altair_only().run();
+        SszStaticHandler::<SyncAggregatorSelectionData, MainnetEthSpec>::altair_only().run();
+    }
 }
 
 #[test]