protob: Add NEMImportanceTransfer

protob/messages.proto

@@ -858,6 +858,7 @@ message NEMSignTx {
 	optional NEMMosaicCreation mosaic_creation = 6;			// Mosaic definition creation part
 	optional NEMMosaicSupplyChange supply_change = 7;		// Mosaic supply change part
 	optional NEMAggregateModification aggregate_modification = 8;	// Aggregate modification part
+	optional NEMImportanceTransfer importance_transfer = 9;		// Importance transfer part
 }
 
 /**

protob/types.proto

@@ -404,3 +404,21 @@ enum NEMModificationType {
 	CosignatoryModification_Add = 1;
 	CosignatoryModification_Delete = 2;
 }
+
+/**
+ * Structure representing the importance transfer part for NEM transactions
+ * @used_in NEMSignTx
+ */
+message NEMImportanceTransfer {
+	optional NEMImportanceTransferMode mode = 1;	// Mode of importance transfer
+	optional bytes public_key = 2;			// Public key of the remote account
+}
+
+/**
+ * Mode of importance transfer
+ * @used_in NEMModificationType
+ */
+enum NEMImportanceTransferMode {
+	ImportanceTransfer_Activate = 1;
+	ImportanceTransfer_Deactivate = 2;
+}