protobuf specs changes

bitkey_proto/bitkey.proto

@@ -17,12 +17,14 @@ message Features {
     optional bool otp = 2;
     optional bool pin = 3;
     optional bool spv = 4;
-    repeated Algorithm algo = 5;
+    optional uint64 maxfee_kb = 5;
+    repeated Algorithm algo = 6;
 }
 
 // Description: Test if another side is still alive.
 // Response: None or Success
 message Ping {
+    optional string message = 1;
 }
 
 // Description: Response message for previous request with given id.
@@ -75,6 +77,11 @@ message Entropy {
     required bytes entropy = 1;
 }
 
+// Response: Success, OtpRequest, PinRequest, Failure
+message SetMaxFeeKb {
+	required uint64 maxfee_kb= 1;
+}
+
 // Response: MasterPublicKey, Failure
 message GetMasterPublicKey {
     required Algorithm algo = 1 [default=BIP32];

bitkey_proto/mapping.py

@@ -26,6 +26,7 @@ map_type_to_class = {
        22: proto.SignedInput,
        23: proto.TxInput,
        24: proto.TxOutput,
+       25: proto.SetMaxFeeKb,
 }
 
 map_class_to_type = {}