common/protob: Add commitment_data to TxInputType.

common/protob/messages-bitcoin.proto

@@ -240,6 +240,7 @@ message TxAck {
             // optional uint32 prev_block_height_bip115 = 12;  // BIP-115 support dropped
             optional bytes witness = 13;                                        // witness data, only set for EXTERNAL inputs
             optional bytes ownership_proof = 14;                                // SLIP-0019 proof of ownership, only set for EXTERNAL inputs
+            optional bytes commitment_data = 15;                                // optional commitment data for the SLIP-0019 proof of ownership
 
         }
         /**

core/src/trezor/messages/TxInputType.py

@@ -28,6 +28,7 @@ class TxInputType(p.MessageType):
         decred_tree: int = None,
         witness: bytes = None,
         ownership_proof: bytes = None,
+        commitment_data: bytes = None,
     ) -> None:
         self.address_n = address_n if address_n is not None else []
         self.prev_hash = prev_hash
@@ -40,6 +41,7 @@ class TxInputType(p.MessageType):
         self.decred_tree = decred_tree
         self.witness = witness
         self.ownership_proof = ownership_proof
+        self.commitment_data = commitment_data
 
     @classmethod
     def get_fields(cls) -> Dict:
@@ -55,4 +57,5 @@ class TxInputType(p.MessageType):
             9: ('decred_tree', p.UVarintType, 0),
             13: ('witness', p.BytesType, 0),
             14: ('ownership_proof', p.BytesType, 0),
+            15: ('commitment_data', p.BytesType, 0),
         }

legacy/firmware/protob/messages-bitcoin.options

@@ -33,6 +33,7 @@ TxInputType.prev_hash                                       max_size:32
 TxInputType.script_sig                                      max_size:1650
 TxInputType.witness                                         max_size:109
 TxInputType.ownership_proof                                 max_size:171
+TxInputType.commitment_data                                 max_size:32
 
 TxOutputType.address                                        max_size:130
 TxOutputType.address_n                                      max_count:8

python/src/trezorlib/messages/TxInputType.py

@@ -28,6 +28,7 @@ class TxInputType(p.MessageType):
         decred_tree: int = None,
         witness: bytes = None,
         ownership_proof: bytes = None,
+        commitment_data: bytes = None,
     ) -> None:
         self.address_n = address_n if address_n is not None else []
         self.prev_hash = prev_hash
@@ -40,6 +41,7 @@ class TxInputType(p.MessageType):
         self.decred_tree = decred_tree
         self.witness = witness
         self.ownership_proof = ownership_proof
+        self.commitment_data = commitment_data
 
     @classmethod
     def get_fields(cls) -> Dict:
@@ -55,4 +57,5 @@ class TxInputType(p.MessageType):
             9: ('decred_tree', p.UVarintType, 0),
             13: ('witness', p.BytesType, 0),
             14: ('ownership_proof', p.BytesType, 0),
+            15: ('commitment_data', p.BytesType, 0),
         }