fix: do not include unrelated token transfers in `tokenTransferTxs` (#10889)

* fix: do not include unrelated token transfers in `tokenTransferTxs`

* fix: increase `API_GRAPHQL_MAX_COMPLEXITY` for celo instances

* chore: add spec and doc

.github/workflows/publish-docker-image-for-celo.yml

@@ -36,7 +36,7 @@ jobs:
             linux/amd64
             linux/arm64/v8
           build-args: |
-            API_GRAPHQL_MAX_COMPLEXITY=6650
+            API_GRAPHQL_MAX_COMPLEXITY=10400
             CACHE_EXCHANGE_RATES_PERIOD=
             API_V1_READ_METHODS_DISABLED=false
             DISABLE_WEBAPP=false

apps/block_scout_web/lib/block_scout_web/graphql/celo/resolvers/token_transfer.ex

@@ -7,11 +7,10 @@ defmodule BlockScoutWeb.GraphQL.Celo.Resolvers.TokenTransfer do
   alias Explorer.GraphQL.Celo, as: GraphQL
   alias Explorer.Repo
 
-  def get_by(_, args, _) do
-    connection_args = Map.take(args, [:after, :before, :first, :last])
-
-    GraphQL.token_tx_transfers_query()
-    |> Connection.from_query(&Repo.all/1, connection_args, options(args))
+  def get_by(%{transaction_hash: hash}, args, _) do
+    hash
+    |> GraphQL.token_tx_transfers_query_by_txhash()
+    |> Connection.from_query(&Repo.all/1, args, options(args))
   end
 
   defp options(%{before: _}), do: []

apps/block_scout_web/lib/block_scout_web/graphql/celo/resolvers/token_transfer_tx.ex

@@ -19,13 +19,6 @@ defmodule BlockScoutWeb.GraphQL.Celo.Resolvers.TokenTransferTx do
     |> Connection.from_query(&Repo.all/1, connection_args, options(args))
   end
 
-  def get_by(_, args, _) do
-    connection_args = Map.take(args, [:after, :before, :first, :last])
-
-    GraphQL.token_tx_transfers_query()
-    |> Connection.from_query(&Repo.all/1, connection_args, options(args))
-  end
-
   defp options(%{before: _}), do: []
 
   defp options(%{count: count}), do: [count: count]

apps/explorer/lib/explorer/graphql/celo.ex

@@ -76,7 +76,8 @@ defmodule Explorer.GraphQL.Celo do
       )
 
     query
-    |> order_by([transaction: t],
+    |> order_by(
+      [transaction: t],
       desc: t.block_number,
       desc: t.hash,
       asc: t.nonce,
@@ -85,6 +86,26 @@ defmodule Explorer.GraphQL.Celo do
     )
   end
 
+  @doc """
+  Constructs a query to fetch token transfers within a given transaction.
+
+  ## Parameters
+    - tx_hash: the hash of the transaction
+
+  ## Returns
+   - Ecto query
+  """
+  @spec token_tx_transfers_query_by_txhash(Hash.Full.t()) :: Ecto.Query.t()
+  def token_tx_transfers_query_by_txhash(tx_hash) do
+    query = token_tx_transfers_query()
+
+    from(
+      t in subquery(query),
+      where: t.transaction_hash == ^tx_hash,
+      order_by: [t.log_index]
+    )
+  end
+
   @doc """
   Constructs a query for token transfers filtered by a specific address.
   """