update build.sbt to assembly

build.sbt

@@ -13,6 +13,42 @@ resolvers += "aliyun public Releases"   at "https://maven.aliyun.com/nexus/conte
 resolvers += "aliyun jcenter Releases"   at "https://maven.aliyun.com/nexus/content/repositories/jcenter"
 resolvers += Resolver.url("bintray-sbt-plugins", url("https://dl.bintray.com/sbt/sbt-plugin-releases"))(Resolver.ivyStylePatterns)
 
+assemblyMergeStrategy in assembly := {
+  case PathList("javax", "servlet", xs @ _*) => MergeStrategy.last
+  case PathList("javax", "activation", xs @ _*) => MergeStrategy.last
+  case PathList("org", "apache", xs @ _*) => MergeStrategy.last
+  case PathList("com", "google", xs @ _*) => MergeStrategy.last
+  case PathList("io", "netty", xs @ _*) => MergeStrategy.last
+  case PathList("com", "esotericsoftware", xs @ _*) => MergeStrategy.last
+  case PathList("com", "codahale", xs @ _*) => MergeStrategy.last
+  case PathList("com", "yammer", xs @ _*) => MergeStrategy.last
+  case "about.html" => MergeStrategy.rename
+  case "META-INF/ECLIPSEF.RSA" => MergeStrategy.last
+  case "META-INF/mailcap" => MergeStrategy.last
+  case "META-INF/org/apache/logging/log4j/core/config/plugins/Log4j2Plugins.dat" => MergeStrategy.last
+  case "META-INF/spring-configuration-metadata.json" => MergeStrategy.last
+  case "META-INF/mimetypes.default" => MergeStrategy.last
+  case "plugin.properties" => MergeStrategy.last
+  case "module-info.class" => MergeStrategy.last
+  case "META-INF/io.netty.versions.properties" => MergeStrategy.last
+  case "META-INF/additional-spring-configuration-metadata.json" => MergeStrategy.last
+  case "META-INF/spring.factories" => MergeStrategy.last
+  case "google/protobuf/descriptor.proto" => MergeStrategy.last
+  case "google/protobuf/compiler/plugin.proto" => MergeStrategy.last
+  case "google/protobuf/field_mask.proto" => MergeStrategy.last
+  case "google/protobuf/any.proto" => MergeStrategy.last
+  case "google/protobuf/duration.proto" => MergeStrategy.last
+  case "google/protobuf/struct.proto" => MergeStrategy.last
+  case "google/protobuf/timestamp.proto" => MergeStrategy.last
+  case "google/protobuf/type.proto" => MergeStrategy.last
+  case "google/protobuf/wrappers.proto" => MergeStrategy.last
+  case "META-INF/web-fragment.xml" => MergeStrategy.last
+  case "log4j.properties" => MergeStrategy.last
+  case x =>
+    val oldStrategy = (assemblyMergeStrategy in assembly).value
+    oldStrategy(x)
+}
+
 lazy val root = (project in file("."))
   .settings(
     name := "luyu-chain33",