From 90ebdd227daedc34fd1184166e0171744a38c189 Mon Sep 17 00:00:00 2001
From: JennaWestenra <78524706+JennaWestenra@users.noreply.github.com>
Date: Fri, 13 Aug 2021 16:13:43 +0600
Subject: [PATCH] DEX-1285 added HasErrorCode trait (#617)

---
 .../com/wavesplatform/dex/error/MatcherError.scala  | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/dex/src/main/scala/com/wavesplatform/dex/error/MatcherError.scala b/dex/src/main/scala/com/wavesplatform/dex/error/MatcherError.scala
index 41b09c9447..d4ca63b056 100644
--- a/dex/src/main/scala/com/wavesplatform/dex/error/MatcherError.scala
+++ b/dex/src/main/scala/com/wavesplatform/dex/error/MatcherError.scala
@@ -14,12 +14,19 @@ import com.wavesplatform.dex.error.Implicits._
 import com.wavesplatform.dex.settings.{DeviationsSettings, OrderRestrictionsSettings}
 import play.api.libs.json.{JsObject, Json, OWrites}
 
+sealed trait HasErrorCode {
+  val code: Int
+}
+
 //helper for companion objects of MatcherError children in order to reduce boilerplate
-sealed abstract class MatcherErrorCodeProvider(obj: Entity, part: Entity, cls: Class) {
-  final val code = MatcherError.mkCode(obj, part, cls)
+sealed abstract class MatcherErrorCodeProvider(obj: Entity, part: Entity, cls: Class) extends HasErrorCode {
+  final override val code = MatcherError.mkCode(obj, part, cls)
 }
 
-sealed abstract class MatcherError(val code: Int, val message: MatcherErrorMessage) extends Product with Serializable {
+sealed abstract class MatcherError(override val code: Int, val message: MatcherErrorMessage)
+    extends Product
+    with Serializable
+    with HasErrorCode {
   def this(obj: Entity, part: Entity, cls: Class, message: MatcherErrorMessage) = this(
     MatcherError.mkCode(obj, part, cls),
     message