add create sell and buy crypto order mutations

app/graphql/types/buy_crypto_order_type.rb

@@ -0,0 +1,22 @@
+# frozen_string_literal: true
+module Types
+  class BuyCryptoOrderType < Types::BaseObject
+    implements GraphQL::Types::Relay::Node
+    global_id_field :id
+
+    graphql_name "BuyCryptoOrder"
+
+    field :id, ID, null: false
+
+    field :currency, CurrencyType, null: false
+    def currency
+      dataloader.with(Dataloader::Source, Currency).load(object.currency_id)
+    end
+
+    field :status, ProcessStatusEnum, null: false
+    field :paid_amount_cents, Integer, null: false
+    field :received_amount, String, null: true
+    field :created_at, GraphQL::Types::ISO8601DateTime, null: false
+    field :updated_at, GraphQL::Types::ISO8601DateTime, null: false
+  end
+end

app/graphql/types/fiat_balance_type.rb

@@ -9,7 +9,5 @@ module Types
     field :id, ID, null: false
     field :amount_cents, Integer, null: false
     field :amount_currency, String, null: false
-    field :created_at, GraphQL::Types::ISO8601DateTime, null: false
-    field :updated_at, GraphQL::Types::ISO8601DateTime, null: false
   end
 end

app/graphql/types/mutation_type.rb

@@ -1,5 +1,7 @@
 # frozen_string_literal: true
 module Types
   class MutationType < Types::BaseObject
+    field :create_sell_crypto_order, mutation: Mutations::CreateSellCryptoOrder
+    field :create_buy_crypto_order, mutation: Mutations::CreateBuyCryptoOrder
   end
 end

app/graphql/types/process_status_enum.rb

@@ -0,0 +1,10 @@
+# frozen_string_literal: true
+module Types
+  class ProcessStatusEnum < Types::BaseEnum
+    graphql_name "ProcessStatus"
+
+    value "PROCESSING", value: "processing"
+    value "COMPLETED", value: "completed"
+    value "CANCELED", value: "canceled"
+  end
+end

app/graphql/types/query_type.rb

@@ -18,5 +18,15 @@ module Types
     def fiat_balances
       Pundit.policy_scope(current_user, FiatBalance)
     end
+
+    field :sell_crypto_orders, SellCryptoOrderType.connection_type, null: false
+    def sell_crypto_orders
+      []
+    end
+
+    field :buy_crypto_orders, BuyCryptoOrderType.connection_type, null: false
+    def buy_crypto_orders
+      []
+    end
   end
 end

app/graphql/types/record_invalid_type.rb

@@ -0,0 +1,11 @@
+# frozen_string_literal: true
+
+module Types
+  class RecordInvalidType < Types::BaseObject
+    graphql_name "RecordInvalid"
+    field :full_messages, [String], null: false
+    field :field_name, String, null: true
+    field :messages, [String], null: true
+    field :path, [String], null: true
+  end
+end

app/graphql/types/sell_crypto_order_type.rb

@@ -0,0 +1,22 @@
+# frozen_string_literal: true
+module Types
+  class SellCryptoOrderType < Types::BaseObject
+    implements GraphQL::Types::Relay::Node
+    global_id_field :id
+
+    graphql_name "SellCryptoOrder"
+
+    field :id, ID, null: false
+
+    field :currency, CurrencyType, null: false
+    def currency
+      dataloader.with(Dataloader::Source, Currency).load(object.currency_id)
+    end
+
+    field :status, ProcessStatusEnum, null: false
+    field :paid_amount, String, null: false
+    field :received_amount_cents, Integer, null: true
+    field :created_at, GraphQL::Types::ISO8601DateTime, null: false
+    field :updated_at, GraphQL::Types::ISO8601DateTime, null: false
+  end
+end