core/bitcoin: move BITCOIN_NAMES to common

core/src/apps/bitcoin/common.py

@@ -12,6 +12,9 @@ if False:
     from trezor.messages.TxInputType import EnumTypeInputScriptType
     from trezor.messages.TxOutputType import EnumTypeOutputScriptType
 
+
+BITCOIN_NAMES = ("Bitcoin", "Regtest", "Testnet")
+
 # Default signature hash type in Bitcoin which signs all inputs and all outputs of the transaction.
 SIGHASH_ALL = const(0x01)
 

core/src/apps/bitcoin/sign_tx/__init__.py

@@ -6,6 +6,7 @@ from trezor.messages.TxRequest import TxRequest
 
 from apps.common import coininfo, paths, seed
 
+from ..common import BITCOIN_NAMES
 from ..keychain import with_keychain
 from . import bitcoin, helpers, layout, progress
 
@@ -16,9 +17,6 @@ if False:
     from typing import Type, Union
 
 
-BITCOIN_NAMES = ("Bitcoin", "Regtest", "Testnet")
-
-
 @with_keychain
 async def sign_tx(
     ctx: wire.Context, msg: SignTx, keychain: seed.Keychain, coin: coininfo.CoinInfo