feat: add Eth1block container (#899)

lib/types/beacon_chain/eth1_block.ex

@@ -0,0 +1,30 @@
+defmodule Types.Eth1Block do
+  @moduledoc """
+  Struct definition for `Eth1Block`.
+  """
+  use LambdaEthereumConsensus.Container
+
+  fields = [
+    :timestamp,
+    :deposit_root,
+    :deposit_count
+  ]
+
+  @enforce_keys fields
+  defstruct fields
+
+  @type t :: %__MODULE__{
+          timestamp: Types.uint64(),
+          deposit_root: Types.root(),
+          deposit_count: Types.uint64()
+        }
+
+  @impl LambdaEthereumConsensus.Container
+  def schema do
+    [
+      timestamp: TypeAliases.uint64(),
+      deposit_root: TypeAliases.root(),
+      deposit_count: TypeAliases.uint64()
+    ]
+  end
+end

lib/types/beacon_chain/eth1_data.ex

@@ -23,9 +23,9 @@ defmodule Types.Eth1Data do
   @impl LambdaEthereumConsensus.Container
   def schema do
     [
-      {:deposit_root, TypeAliases.root()},
-      {:deposit_count, TypeAliases.uint64()},
-      {:block_hash, TypeAliases.hash32()}
+      deposit_root: TypeAliases.root(),
+      deposit_count: TypeAliases.uint64(),
+      block_hash: TypeAliases.hash32()
     ]
   end
 end

test/spec/runners/ssz_static.ex

@@ -54,7 +54,7 @@ defmodule SszStaticTestRunner do
     "LightClientBootstrap",
     "LightClientOptimisticUpdate",
     "LightClientUpdate",
-    "Eth1Block",
+    # "Eth1Block",
     "PowBlock",
     "SignedContributionAndProof",
     "SignedData",
@@ -81,7 +81,6 @@ defmodule SszStaticTestRunner do
   end
 
   def skip?(%SpecTestCase{fork: "deneb", handler: handler}) do
-    # TODO: fix types
     Enum.member?(@disabled, handler)
   end
 
@@ -118,14 +117,16 @@ defmodule SszStaticTestRunner do
     {:ok, deserialized_by_ssz_ex} = SszEx.decode(real_serialized, schema)
     assert Diff.diff(deserialized_by_ssz_ex, real_deserialized) == :unchanged
 
-    {:ok, deserialized_by_nif} = Ssz.from_ssz(real_serialized, schema)
-    assert Diff.diff(deserialized_by_ssz_ex, deserialized_by_nif) == :unchanged
-
     {:ok, serialized_by_ssz_ex} = SszEx.encode(real_deserialized, schema)
     assert serialized_by_ssz_ex == real_serialized
 
-    {:ok, serialized_by_nif} = Ssz.to_ssz(real_deserialized)
-    assert Diff.diff(serialized_by_ssz_ex, serialized_by_nif) == :unchanged
+    if schema not in [Types.Eth1Block] do
+      {:ok, deserialized_by_nif} = Ssz.from_ssz(real_serialized, schema)
+      assert Diff.diff(deserialized_by_ssz_ex, deserialized_by_nif) == :unchanged
+
+      {:ok, serialized_by_nif} = Ssz.to_ssz(real_deserialized)
+      assert serialized_by_ssz_ex == serialized_by_nif
+    end
   end
 
   defp parse_type(%SpecTestCase{handler: handler}) do