removed nullable array from transport device, as channels close() is more than enough

build.gradle.kts

@@ -37,6 +37,7 @@ kotlin {
     val hostOs = System.getProperty("os.name")
     val isArm64 = System.getProperty("os.arch") == "aarch64"
     val isMingwX64 = hostOs.startsWith("Windows")
+    @Suppress("UNUSED_VARIABLE")
     val nativeTarget = when {
         hostOs == "Mac OS X" && isArm64 -> macosArm64("native")
         hostOs == "Mac OS X" && !isArm64 -> macosX64("native")
@@ -46,6 +47,7 @@ kotlin {
         else -> throw GradleException("Host OS is not supported in Kotlin/Native.")
     }
 
+    val ktor_version = "2.3.6"
 
     sourceSets {
         all {
@@ -61,6 +63,7 @@ kotlin {
 
                 implementation("com.ionspin.kotlin:multiplatform-crypto-libsodium-bindings:0.9.0")
                 api("com.ionspin.kotlin:bignum:0.3.8")
+                implementation("io.ktor:ktor-client-core:$ktor_version")
 
                 api("net.sergeych:mp_bintools:0.0.6-SNAPSHOT")
                 api("net.sergeych:mp_stools:1.4.1")
@@ -73,11 +76,27 @@ kotlin {
                 implementation("org.jetbrains.kotlinx:kotlinx-coroutines-test:1.7.3")
             }
         }
-        val jvmMain by getting
+        val jvmMain by getting {
+            dependencies {
+                implementation("io.ktor:ktor-server-core:$ktor_version")
+                implementation("io.ktor:ktor-server-core-jvm:$ktor_version")
+                implementation("io.ktor:ktor-server-websockets-jvm:$ktor_version")
+                implementation("io.ktor:ktor-server-netty:$ktor_version")
+                implementation("io.ktor:ktor-client-netty:$ktor_version")
+            }
+        }
         val jvmTest by getting
-        val jsMain by getting
+        val jsMain by getting {
+            dependencies {
+                implementation("io.ktor:ktor-client-js:$ktor_version")
+            }
+        }
         val jsTest by getting
-        val nativeMain by getting
+        val nativeMain by getting {
+            dependencies {
+                implementation("io.ktor:ktor-client-cio:$ktor_version")
+            }
+        }
         val nativeTest by getting
     }
 }