add createStakeRemoveMutation

app/graphql/mutations/create_stake_remove_order.rb

@@ -0,0 +1,29 @@
+# frozen_string_literal: true
+module Mutations
+  class CreateStakeRemoveOrder < BaseMutation
+    field :order, Types::StakeOrderType, null: true
+
+    argument :order, Inputs::CreateStakeOrderAttributesInput, required: true
+
+    def resolve(order:)
+      currency_id = decode_id(order[:currency_id])
+      amount = BigDecimal(order[:amount])
+
+      ActiveRecord::Base.transaction do
+        record = StakeOrder.find_or_initialize_by(
+          pool_name: order[:pool_name],
+          user_id: current_user.id,
+          currency_id: currency_id,
+          status: :processing
+        )
+
+        record.amount += amount
+        record.save!
+
+        { order: record }
+      rescue ActiveRecord::RecordInvalid => e
+        { errors: Resolvers::ModelErrors.from_active_record_model(e.record) }
+      end
+    end
+  end
+end

app/graphql/types/mutation_type.rb

@@ -1,6 +1,7 @@
 # frozen_string_literal: true
 module Types
   class MutationType < Types::BaseObject
+    field :create_stake_remove_order, mutation: Mutations::CreateStakeRemoveOrder
     field :create_stake_order, mutation: Mutations::CreateStakeOrder
     field :create_sell_crypto_order, mutation: Mutations::CreateSellCryptoOrder
     field :create_buy_crypto_order, mutation: Mutations::CreateBuyCryptoOrder

app/javascript/__generated__/schema.graphql

@@ -180,6 +180,33 @@ type CreateStakeOrderPayload {
   order: StakeOrder
 }
 
+"""
+Autogenerated input type of CreateStakeRemoveOrder
+"""
+input CreateStakeRemoveOrderInput {
+  """
+  A unique identifier for the client performing the mutation.
+  """
+  clientMutationId: String
+  order: CreateStakeOrderAttributesInput!
+}
+
+"""
+Autogenerated return type of CreateStakeRemoveOrder
+"""
+type CreateStakeRemoveOrderPayload {
+  """
+  A unique identifier for the client performing the mutation.
+  """
+  clientMutationId: String
+
+  """
+  Errors encountered during execution of the mutation.
+  """
+  errors: [RecordInvalid!]
+  order: StakeOrder
+}
+
 type Currency implements Node {
   id: ID!
   name: String!
@@ -245,6 +272,12 @@ type Mutation {
     """
     input: CreateStakeOrderInput!
   ): CreateStakeOrderPayload
+  createStakeRemoveOrder(
+    """
+    Parameters for CreateStakeRemoveOrder
+    """
+    input: CreateStakeRemoveOrderInput!
+  ): CreateStakeRemoveOrderPayload
 }
 
 """