Added unregister asset definition id (#424)

Author: Mingela

modules/client/src/main/kotlin/jp/co/soramitsu/iroha2/transaction/Instructions.kt

@@ -230,6 +230,11 @@ object Instructions {
      */
     fun unregisterAsset(id: AssetId) = unregisterSome { IdBox.AssetId(id) }
 
+    /**
+     * Unregister an asset definition
+     */
+    fun unregisterAssetDefinition(id: AssetDefinitionId) = unregisterSome { IdBox.AssetDefinitionId(id) }
+
     /**
      * Unregister an account
      */

modules/client/src/main/kotlin/jp/co/soramitsu/iroha2/transaction/TransactionBuilder.kt

@@ -215,6 +215,10 @@ class TransactionBuilder(builder: TransactionBuilder.() -> Unit = {}) {
         instructions.value.add(Instructions.unregisterAsset(id))
     }
 
+    fun unregisterAssetDefinition(id: AssetDefinitionId) = this.apply {
+        instructions.value.add(Instructions.unregisterAssetDefinition(id))
+    }
+
     fun unregisterTrigger(id: TriggerId) = this.apply {
         instructions.value.add(
             Instructions.unregisterTrigger(id),

modules/client/src/test/kotlin/jp/co/soramitsu/iroha2/InstructionsTest.kt

@@ -260,6 +260,16 @@ class InstructionsTest : IrohaTest<Iroha2Client>() {
                     .let { query -> client.sendQuery(query) }
             }
         }
+
+        client.tx { unregisterAssetDefinition(definitionId) }
+        assertThrows<IrohaClientException> {
+            runBlocking {
+                QueryBuilder.findAssetDefinitionById(definitionId)
+                    .account(super.account)
+                    .buildSigned(super.keyPair)
+                    .let { query -> client.sendQuery(query) }
+            }
+        }
     }
 
     @Test