fix migration

apps/explorer/lib/explorer/chain/import/runner/transactions.ex

@@ -188,27 +188,38 @@ defmodule Explorer.Chain.Import.Runner.Transactions do
   defp put_internal_transactions_indexed_at?(_, _), do: false
 
   defp update_replaced_transactions(repo, transactions, %{timeout: timeout}) do
-    transactions
+    result =
-    |> Enum.filter(& &1.transaction.block_hash)
+      transactions
-    |> Enum.map(fn transaction -> {transaction.nonce, transaction.from_address_hash} end)
+      |> Enum.filter(& &1.block_hash)
-    |> Enum.uniq()
+      |> Enum.map(fn transaction -> {transaction.nonce, transaction.from_address_hash} end)
-    |> Enum.map(fn {nonce, from_address_hash} ->
+      |> Enum.uniq()
-      from(t in Transaction,
+      |> Enum.map(fn {nonce, from_address_hash} ->
-        where: t.nonce == ^nonce and t.from_address_hash == ^from_address_hash and is_nil(t.block_hash),
+        from(t in Transaction,
-        update: [
+          where: t.nonce == ^nonce and t.from_address_hash == ^from_address_hash and is_nil(t.block_hash),
-          set: [status: ^:error, error: "dropped/replaced"]
+          update: [
-        ]
+            set: [status: ^:error, error: "dropped/replaced"]
-      )
+          ]
-    end)
+        )
-    |> Enum.map(fn query ->
+      end)
-      try do
+      |> Enum.map(fn query ->
-        {_, result} = repo.update(query, [], timeout: timeout)
+        try do
-
+          {_, result} = repo.update_all(query, [], timeout: timeout)
-        {:ok, result}
+
-      rescue
+          {:ok, result}
-        postgrex_error in Postgrex.Error ->
+        rescue
-          {:error, %{exception: postgrex_error, query: query}}
+          postgrex_error in Postgrex.Error ->
-      end
+            {:error, %{exception: postgrex_error, query: query}}
-    end)
+        end
+      end)
+
+    first_error =
+      Enum.find(result, fn result ->
+        case result do
+          {:ok, _} -> false
+          {:error, _} -> true
+        end
+      end)
+
+    if first_error, do: first_error, else: {:ok, []}
   end
 end

apps/explorer/priv/repo/migrations/20190124082812_add_index_on_transaction_nonce_and_from_address_hash.exs

@@ -8,7 +8,7 @@ defmodule Explorer.Repo.Migrations.AddIndexOnTransactionNonceAndFromAddressHash
   @timeout 60_000 * 30
 
   def change do
-    create(index(:transactions, [:nonce, :from_address_hash]))
+    create(index(:transactions, [:nonce, :from_address_hash, :block_hash]))
     # for replaced/dropeed transactions
     create(index(:transactions, [:block_hash, :error]))
 
@@ -20,6 +20,7 @@ defmodule Explorer.Repo.Migrations.AddIndexOnTransactionNonceAndFromAddressHash
     SQL.query!(
       Repo,
       query,
+      [],
       timeout: @timeout
     )
   end