diff --git a/src/trezor/messages/wire_types.py b/src/trezor/messages/wire_types.py
new file mode 100644
index 000000000..6b4f802cf
--- /dev/null
+++ b/src/trezor/messages/wire_types.py
@@ -0,0 +1,54 @@
+WordRequest = 46
+ButtonAck = 27
+MessageSignature = 40
+Ping = 1
+EncryptedMessage = 50
+DebugLinkStop = 103
+EstimateTxSize = 43
+GetPublicKey = 11
+GetFeatures = 55
+PinMatrixRequest = 18
+ClearSession = 24
+LoadDevice = 13
+VerifyMessage = 39
+PassphraseRequest = 41
+TxAck = 22
+ChangePin = 4
+DebugLinkLog = 104
+FirmwareErase = 6
+TxRequest = 21
+DebugLinkState = 102
+FirmwareUpload = 7
+SignedIdentity = 54
+Failure = 3
+EntropyRequest = 35
+ApplySettings = 25
+Address = 30
+Initialize = 0
+PinMatrixAck = 19
+SignTx = 15
+DebugLinkGetState = 101
+Success = 2
+ResetDevice = 14
+WordAck = 47
+SimpleSignTx = 16
+GetAddress = 29
+RecoveryDevice = 45
+PassphraseAck = 42
+SignMessage = 38
+DecryptedMessage = 52
+DecryptMessage = 51
+GetEntropy = 9
+EntropyAck = 36
+WipeDevice = 5
+CipherKeyValue = 23
+Features = 17
+TxSize = 44
+SignIdentity = 53
+DebugLinkDecision = 100
+CipheredKeyValue = 48
+ButtonRequest = 26
+PublicKey = 12
+Entropy = 10
+Cancel = 20
+EncryptMessage = 49