Register both

protobuf/signalling.proto

@@ -83,12 +83,17 @@ message ClientConf {
     optional DecoyList decoy_list = 1;
     optional uint32 generation = 2;
     optional PubKey default_pubkey = 3;
+    optional DarkDecoyBlocks dark_decoy_blocks = 4;
 }
 
 message DecoyList {
     repeated TLSDecoySpec tls_decoys = 1;
 }
 
+message DarkDecoyBlocks{
+    repeated string blocks = 1;
+}
+
 // State transitions of the client
 enum C2S_Transition {
     C2S_NO_CHANGE = 0;
@@ -192,8 +197,9 @@ message ClientToStation {
     // Used in dark decoys to signal which dark decoy it will connect to.
     optional string masked_decoy_server_name = 21;
 
-    // Used to indicate to server if client doesn't support ipv6 for dark decoy address selection.
+    // Used to indicate to server if client is registering v4, v6 or both
     optional bool v6_support = 22;
+    optional bool v4_support = 23;
 
     // Random-sized junk to defeat packet size fingerprinting.
     optional bytes padding = 100;