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https://github.com/trezor/trezor-firmware.git
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add a tx signing tool that handles bitcoin, testnet, and litecoin
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97
tools/tx_sign_tool.py
Executable file
97
tools/tx_sign_tool.py
Executable file
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#!/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 *
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from trezorlib import types_pb2 as types
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def main():
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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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coin = raw_input('Which coin {Bitcoin, Testnet, Litecoin}? ').strip()
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if coin not in {'Bitcoin', 'Testnet', 'Litecoin'}:
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print('not supported')
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exit(1)
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# List all connected TREZORs on USB
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devices = HidTransport.enumerate()
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# Check whether we found any
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if len(devices) == 0:
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print('No TREZOR found')
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return
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# Use first connected device
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transport = HidTransport(devices[0])
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# Creates object for manipulating TREZOR
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client = TrezorClient(transport)
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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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client.set_tx_api(txapi_lookup[coin])
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inputs = []
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while True:
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prev_in_hash = raw_input('Previous input hash (enter nothing to move on): ').strip()
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if prev_in_hash == '':
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break
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prev_in_vout = raw_input(' Previous input index: ').strip()
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addrn = raw_input(" Node to sign with (e.g.- " + coin + "/0'/0/0): ").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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out_addr = raw_input('Pay to address (enter nothing to move on): ').strip()
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if out_addr == '':
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break
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out_amount = raw_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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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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client.close()
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if __name__ == '__main__':
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main()
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@ -41,7 +41,7 @@ class TxApi(object):
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except:
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pass
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try:
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r = requests.get('%s/%s/%s' % (self.url, resource, resourceid), headers={'User-agent': 'Mozilla/5.0'})
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r = requests.get('%s%s/%s' % (self.url, resource, resourceid), headers={'User-agent': 'Mozilla/5.0'})
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j = r.json()
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except:
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raise Exception('URL error: %s' % url)
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@ -140,7 +140,40 @@ class TxApiSmartbit(TxApi):
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return t
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class TxApiBlockCypher(TxApi):
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def get_tx(self, txhash):
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data = self.fetch_json(self.url, 'txs', txhash)
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t = proto_types.TransactionType()
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t.version = data['ver']
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t.lock_time = data['lock_time']
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for vin in data['inputs']:
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i = t.inputs.add()
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if 'prev_hash' not in vin:
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i.prev_hash = b"\0"*32
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i.prev_index = 0xffffffff # signed int -1
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i.script_sig = binascii.unhexlify(vin['script'])
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i.sequence = vin['sequence']
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else:
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i.prev_hash = binascii.unhexlify(vin['prev_hash'])
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i.prev_index = vin['output_index']
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i.script_sig = binascii.unhexlify(vin['script'])
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i.sequence = vin['sequence']
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for vout in data['outputs']:
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o = t.bin_outputs.add()
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o.amount = int(str(vout['value']), 10)
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o.script_pubkey = binascii.unhexlify(vout['script'])
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return t
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TxApiBitcoin = TxApiInsight(network='insight_bitcoin', url='https://insight.bitpay.com/api/')
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TxApiTestnet = TxApiInsight(network='insight_testnet', url='https://test-insight.bitpay.com/api/')
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TxApiLitecoin = TxApiBlockCypher(network='blockcypher_litecoin', url='https://api.blockcypher.com/v1/ltc/main/')
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TxApiSegnet = TxApiSmartbit(network='smartbit_segnet', url='https://segnet-api.smartbit.com.au/v1/blockchain/')
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TxApiZcashTestnet = TxApiInsight(network='insight_zcashtestnet', url='https://explorer.testnet.z.cash/api/', zcash=True)
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