新增：发表issue奖励

app/controllers/issues_controller.rb

@@ -141,6 +141,15 @@ class IssuesController < ApplicationController
         end
 
         @issue.project_trends.create(user_id: current_user.id, project_id: @project.id, action_type: "create")
+
+        ########## sponsor
+        amount = 2
+        user_wallet = current_user.get_wallet
+        user_wallet.receive(amount)
+        reason = "创建任务"
+        CoinChange.create(amount: amount, reason: reason, to_wallet_id: user_wallet.id)
+        ##########
+
         render json: {status: 0, message: "创建成", id: @issue.id}
       else
         normal_status(-1, "创建失败")