fix: return integer for create_timestamp time extraction

app/models/ckb_transaction.rb

@@ -189,7 +189,11 @@ def cell_deps
   end
 
   def income(address)
-    outputs.where(address: address).sum(:capacity) - inputs.where(address: address).sum(:capacity)
+    if tx_pending?
+      cell_outputs.where(address: address).sum(:capacity) - input_cells.where(address: address).sum(:capacity)
+    else
+      outputs.where(address: address).sum(:capacity) - inputs.where(address: address).sum(:capacity)
+    end
   end
 
   def dao_transaction?

app/serializers/ckb_transaction_serializer.rb

@@ -45,7 +45,8 @@ class CkbTransactionSerializer
   end
 
   attribute :display_inputs do |object, params|
-    Rails.cache.fetch("display_inputs_previews_#{params[:previews].present?}_#{object.id}", expires_in: 1.day) do
+    cache_key = "display_inputs_previews_#{params[:previews].present?}_#{object.id}_#{object.inputs.cache_key}"
+    Rails.cache.fetch(cache_key, expires_in: 1.day) do
       if params && params[:previews]
         object.display_inputs(previews: true)
       else
@@ -55,7 +56,8 @@ class CkbTransactionSerializer
   end
 
   attribute :display_outputs do |object, params|
-    Rails.cache.fetch("display_outputs_previews_#{params[:previews].present?}_#{object.id}", expires_in: 1.day) do
+    cache_key = "display_outputs_previews_#{params[:previews].present?}_#{object.id}_#{object.outputs.cache_key}"
+    Rails.cache.fetch(cache_key, expires_in: 1.day) do
       if params && params[:previews]
         object.display_outputs(previews: true)
       else

app/serializers/ckb_transactions_serializer.rb

@@ -56,6 +56,6 @@ class CkbTransactionsSerializer
   end
 
   attribute :create_timestamp do |object|
-    (object.created_at.to_f * 1000).to_s
+    (object.created_at.to_f * 1000).to_i.to_s
   end
 end