feat: block_timestamp field for agg proof model

Author: MarcosNicolau

explorer/lib/explorer/contract_managers/aligned_proof_aggregation_service.ex

@@ -56,6 +56,7 @@ defmodule AlignedProofAggregationService do
                |> Enum.at(1),
              blob_versioned_hash: "0x" <> Base.encode16(data |> Enum.at(0), case: :lower),
              block_number: block_number,
+             block_timestamp: get_block_timestamp(block_number),
              tx_hash: tx_hash
            }
          end)}
@@ -65,6 +66,13 @@ defmodule AlignedProofAggregationService do
     end
   end
 
+  def get_block_timestamp(block_number) do
+    case Ethers.Utils.get_block_timestamp(block_number) do
+      {:ok, timestamp} -> DateTime.from_unix!(timestamp)
+      {:error, error} -> raise("Error fetching block timestamp: #{error}")
+    end
+  end
+
   def get_blob_data!(aggregated_proof) do
     {:ok, block} =
       Explorer.EthClient.get_block_by_number(

explorer/lib/explorer/models/aggregated_proofs.ex

@@ -7,6 +7,7 @@ defmodule AggregatedProofs do
   schema "aggregated_proofs" do
     field(:blob_versioned_hash, :string)
     field(:block_number, :integer)
+    field(:block_timestamp, :utc_datetime)
     field(:tx_hash, :string)
     field(:number_of_proofs, :integer)
 
@@ -27,13 +28,15 @@ defmodule AggregatedProofs do
       :merkle_root,
       :blob_versioned_hash,
       :block_number,
+      :block_timestamp,
       :tx_hash,
       :number_of_proofs
     ])
     |> validate_required([
       :merkle_root,
       :blob_versioned_hash,
       :block_number,
+      :block_timestamp,
       :tx_hash,
       :number_of_proofs
     ])

explorer/priv/repo/migrations/20250407002009_create_aggregated_proofs.exs

@@ -8,6 +8,7 @@ defmodule Explorer.Repo.Migrations.CreateAggregatedProofs do
       add(:blob_versioned_hash, :string)
       add(:number_of_proofs, :integer)
       add(:block_number, :integer)
+      add(:block_timestamp, :utc_datetime)
 
       timestamps()
     end