add create sell and buy crypto order mutations

spec/graphql/types/buy_crypto_order_type_spec.rb

@@ -0,0 +1,16 @@
+# frozen_string_literal: true
+require "rails_helper"
+
+RSpec.describe(Types::BuyCryptoOrderType) do
+  subject { described_class }
+
+  describe "arguments" do
+    it { is_expected.to(have_a_field(:id).of_type("ID!")) }
+    it { is_expected.to(have_a_field(:currency).of_type("Currency!")) }
+    it { is_expected.to(have_a_field(:paid_amount_cents).of_type("Int!")) }
+    it { is_expected.to(have_a_field(:received_amount).of_type("String")) }
+    it { is_expected.to(have_a_field(:status).of_type("ProcessStatus!")) }
+    it { is_expected.to(have_a_field(:created_at).of_type("ISO8601DateTime!")) }
+    it { is_expected.to(have_a_field(:updated_at).of_type("ISO8601DateTime!")) }
+  end
+end

spec/graphql/types/process_status_enum_spec.rb

@@ -0,0 +1,9 @@
+# frozen_string_literal: true
+
+require "rails_helper"
+
+describe Types::ProcessStatusEnum do
+  describe "values" do
+    it { expect(described_class.values.keys).to(match(["PROCESSING", "COMPLETED", "CANCELED"])) }
+  end
+end

spec/graphql/types/record_invalid_type_spec.rb

@@ -0,0 +1,14 @@
+# frozen_string_literal: true
+
+require "rails_helper"
+
+describe Types::RecordInvalidType do
+  subject { described_class }
+
+  describe "fields" do
+    it { is_expected.to(have_field(:full_messages).of_type("[String!]!")) }
+    it { is_expected.to(have_field(:field_name).of_type("String")) }
+    it { is_expected.to(have_field(:messages).of_type("[String!]")) }
+    it { is_expected.to(have_field(:path).of_type("[String!]")) }
+  end
+end

spec/graphql/types/sell_crypto_order_type_spec.rb

@@ -0,0 +1,16 @@
+# frozen_string_literal: true
+require "rails_helper"
+
+RSpec.describe(Types::SellCryptoOrderType) do
+  subject { described_class }
+
+  describe "arguments" do
+    it { is_expected.to(have_a_field(:id).of_type("ID!")) }
+    it { is_expected.to(have_a_field(:currency).of_type("Currency!")) }
+    it { is_expected.to(have_a_field(:paid_amount).of_type("String!")) }
+    it { is_expected.to(have_a_field(:received_amount_cents).of_type("Int")) }
+    it { is_expected.to(have_a_field(:status).of_type("ProcessStatus!")) }
+    it { is_expected.to(have_a_field(:created_at).of_type("ISO8601DateTime!")) }
+    it { is_expected.to(have_a_field(:updated_at).of_type("ISO8601DateTime!")) }
+  end
+end