mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-12-22 22:38:08 +00:00
115 lines
3.5 KiB
Python
Executable File
115 lines
3.5 KiB
Python
Executable File
#!/usr/bin/env python2
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#
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# Copyright (C) 2017 mruddy
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#
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# This library is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Lesser General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with this library. If not, see <http://www.gnu.org/licenses/>.
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from __future__ import print_function
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import binascii
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from trezorlib.client import TrezorClient
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from trezorlib.transport_hid import HidTransport
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from trezorlib.tx_api import TxApiBitcoin, TxApiTestnet, TxApiLitecoin
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from trezorlib import types_pb2 as types
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# Python2 vs Python3
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try:
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input = raw_input
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except NameError:
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pass
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def get_client():
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devices = HidTransport.enumerate() # list all connected TREZORs on USB
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if len(devices) == 0: # check whether we found any
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return None
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transport = HidTransport(devices[0]) # use first connected device
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return TrezorClient(transport) # creates object for communicating with TREZOR
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def get_txapi():
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coin = input('Which coin {Bitcoin, Testnet, Litecoin}? ').strip()
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if coin not in {'Bitcoin', 'Testnet', 'Litecoin'}:
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return None, None
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txapi_lookup = {
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'Bitcoin': TxApiBitcoin,
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'Testnet': TxApiTestnet,
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'Litecoin': TxApiLitecoin
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}
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return coin, txapi_lookup[coin]
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def main():
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client = get_client()
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if not client:
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print('No TREZOR connected')
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return
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print()
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print('Welcome to the user-unfriendly transaction signing tool')
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print('USE AT YOUR OWN RISK!!!')
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print()
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coin, txapi = get_txapi()
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if not txapi:
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print('Coin not supported')
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return
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client.set_tx_api(txapi)
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inputs = []
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while True:
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print()
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prev_in_hash = input('Previous input hash (empty to move on): ').strip()
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if prev_in_hash == '':
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break
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prev_in_vout = input('Previous input index: ').strip()
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addrn = input("Node path to sign with (e.g.- %s/0'/0/0): " % coin).strip()
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inputs.append(types.TxInputType(
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prev_hash=binascii.unhexlify(prev_in_hash),
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prev_index=int(prev_in_vout, 10),
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address_n=client.expand_path(addrn)
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))
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outputs = []
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while True:
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print()
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out_addr = input('Pay to address (empty to move on): ').strip()
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if out_addr == '':
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break
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out_amount = input('Amount (in satoshis): ').strip()
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outputs.append(types.TxOutputType(
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amount=int(out_amount, 10),
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script_type=types.PAYTOADDRESS,
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address=out_addr
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))
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(signatures, serialized_tx) = client.sign_tx(coin, inputs, outputs)
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client.close()
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print()
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print('Signed Transaction:', binascii.hexlify(serialized_tx))
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# note: these api's are useful for checking and sending the output of this tool:
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# https://btc.blockr.io/tx/push -or- https://live.blockcypher.com/btc/pushtx/
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# https://tbtc.blockr.io/tx/push -or- https://live.blockcypher.com/btc-testnet/pushtx/
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# https://ltc.blockr.io/tx/push -or - https://live.blockcypher.com/ltc/pushtx/
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if __name__ == '__main__':
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main()
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