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"""
*******************************************************************************
* BTChip Bitcoin Hardware Wallet Python API
* (c) 2014 BTChip - 1BTChip7VfTnrPra5jqci7ejnMguuHogTn
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
********************************************************************************
"""
from btchip.btchip import *
from btchip.btchipUtils import *
import json
"""
Signs a TX generated by Armory. That TX:
{
'inputs': [{
'p2shscript': '52210269694830114e4b1f6ef565ce4efb933681032d30333c80df713df6b60a4c62832102f43b905e9e35ccd22757faedf9eceb652dc9ba198a3904d43f4298def0213eb521037b9e3578dd3b5559d613bc2641931e6ce7d55a9d081b07347888d7d17a2b910253ae',
'supporttxhash_be': '0c1676b8fc1adaca53221290e242b8eb80fd6b89aa83f2fa0106f87e13388300',
'sequence': 4294967295,
'keys': [{
'dersighex': '',
'pubkeyhex': '0269694830114e4b1f6ef565ce4efb933681032d30333c80df713df6b60a4c6283',
'wltlochex': ''
}, {
'dersighex': '',
'pubkeyhex': '02f43b905e9e35ccd22757faedf9eceb652dc9ba198a3904d43f4298def0213eb5',
'wltlochex': ''
}, {
'dersighex': '',
'pubkeyhex': '037b9e3578dd3b5559d613bc2641931e6ce7d55a9d081b07347888d7d17a2b9102',
'wltlochex': ''
}],
'contriblabel': u '',
'supporttxhash_le': '008338137ef80601faf283aa896bfd80ebb842e290122253cada1afcb876160c',
'contribid': 'JLBercZk',
'version': 1,
'inputvalue': 46000000,
'outpoint': '008338137ef80601faf283aa896bfd80ebb842e290122253cada1afcb876160c00000000',
'magicbytes': '0b110907',
'supporttx': '01000000013e9fe12917d854a0e093b982eaa46990289e2262f2db9fc1bd3f13718f3c806e010000006b483045022100af668e482e3ed363f51b36ddabad7cdf20d177104c92b8676a5b14f51107179602206c4ecd67544c74c6689ca453e2157d0c0b8a4608d85956429d2615275a51c66f01210374db359a004626daf2fcf10b8601f5f39438848a6733c768e88ce0ad398ae79dffffffff0280e7bd020000000017a914e2a227eb40dfce902f2c1d80ddafa798b16d22c3876c8fc846000000001976a914af58f09cf65b213bb9bd181a94e133b4ad4d6b2788ac00000000',
'numkeys': 3,
'supporttxhash': '0c1676b8fc1adaca53221290e242b8eb80fd6b89aa83f2fa0106f87e13388300',
'supporttxoutindex': 0
}],
'fee': 10000,
'locktimeint': 0,
'outputs': [{
'txoutvalue': 10000000,
'authdata': '',
'contriblabel': '',
'p2shscript': '',
'scripttypeint': 4,
'isp2sh': True,
'txoutscript': 'a914c0c3b6ada732c797881d00de6c350eec96e3d22287',
'authmethod': 'NONE',
'hasaddrstr': True,
'contribid': '',
'version': 1,
'ismultisig': False,
'magicbytes': '0b110907',
'addrstr': '2NApUBXv4NB8pm834pHUajiUL6rvFaaj6N8',
'scripttypestr': 'Standard (P2SH)',
'wltlocator': ''
}, {
'txoutvalue': 35990000,
'authdata': '',
'contriblabel': '',
'p2shscript': '',
'scripttypeint': 4,
'isp2sh': True,
'txoutscript': 'a914e2a227eb40dfce902f2c1d80ddafa798b16d22c387',
'authmethod': 'NONE',
'hasaddrstr': True,
'contribid': '',
'version': 1,
'ismultisig': False,
'magicbytes': '0b110907',
'addrstr': '2NDuYxRrmAs2fRcMj4ew2F41aFp2PN9yiV1',
'scripttypestr': 'Standard (P2SH)',
'wltlocator': ''
}],
'sumoutputs': 45990000,
'suminputs': 46000000,
'version': 1,
'numoutputs': 2,
'magicbytes': '0b110907',
'locktimedate': '',
'locktimeblock': 0,
'id': '8jkccikU',
'numinputs': 1
}
Input comes from vout[0] of 0c1676b8fc1adaca53221290e242b8eb80fd6b89aa83f2fa0106f87e13388300.
TX I want to generate is 0.10 to 2NApUBXv4NB8pm834pHUajiUL6rvFaaj6N8
The multisig address 2NDuYxRrmAs2fRcMj4ew2F41aFp2PN9yiV1 contains 0.46 BTC, and is generated
using the public keys 0'/0/0, 0'/0/1, and 0'/0/2 from the seed below.
"""
# Run on non configured dongle or dongle configured with test seed below
SEED = bytearray("1762F9A3007DBC825D0DD9958B04880284C88A10C57CF569BB3DADF7B1027F2D".decode('hex'))
UTX = bytearray("01000000013e9fe12917d854a0e093b982eaa46990289e2262f2db9fc1bd3f13718f3c806e010000006b483045022100af668e482e3ed363f51b36ddabad7cdf20d177104c92b8676a5b14f51107179602206c4ecd67544c74c6689ca453e2157d0c0b8a4608d85956429d2615275a51c66f01210374db359a004626daf2fcf10b8601f5f39438848a6733c768e88ce0ad398ae79dffffffff0280e7bd020000000017a914e2a227eb40dfce902f2c1d80ddafa798b16d22c3876c8fc846000000001976a914af58f09cf65b213bb9bd181a94e133b4ad4d6b2788ac00000000".decode('hex'))
UTXO_INDEX = 0
OUTPUT = bytearray("02809698000000000017a914c0c3b6ada732c797881d00de6c350eec96e3d22287f02925020000000017a914e2a227eb40dfce902f2c1d80ddafa798b16d22c387".decode('hex'))
# Armory p2shscript
REDEEMSCRIPT = bytearray("52210269694830114e4b1f6ef565ce4efb933681032d30333c80df713df6b60a4c62832102f43b905e9e35ccd22757faedf9eceb652dc9ba198a3904d43f4298def0213eb521037b9e3578dd3b5559d613bc2641931e6ce7d55a9d081b07347888d7d17a2b910253ae".decode('hex'))
SIGNATURE_0 = bytearray("3044022056cb1b781fd04cfe6c04756ad56d02e5512f3fe7f411bc22d1594da5c815a393022074ad7f4d47af7c3f8a7ddf0ba2903f986a88649b0018ce1538c379b304a6a23801".decode('hex'))
SIGNATURE_1 = bytearray("304402205545419c4aded39c7f194b3f8c828f90e8d9352c756f7c131ed50e189c02f29a02201b160503d7310df49055b04a327e185fc22dfe68f433594ed7ce526d99a5026001".decode('hex'))
SIGNATURE_2 = bytearray("30440220634fbbfaaea74d42280a8c9e56c97418af04539f93458e85285d15462aec7712022041ba27a5644642a2f5b3c02610235ec2c6115bf4137bb51181cbc0a3a54dc0db01".decode('hex'))
# Armory supporttx
TRANSACTION = bytearray("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".decode('hex'))
# Armory txoutscript
output = get_output_script([["0.1", bytearray("a914c0c3b6ada732c797881d00de6c350eec96e3d22287".decode('hex'))], ["0.3599", bytearray("a914e2a227eb40dfce902f2c1d80ddafa798b16d22c387".decode('hex'))]]);
if output<>OUTPUT:
raise BTChipException("Invalid output script encoding");
# Optional setup
dongle = getDongle(True)
app = btchip(dongle)
try:
app.setup(btchip.OPERATION_MODE_RELAXED_WALLET, btchip.FEATURE_RFC6979|btchip.FEATURE_NO_2FA_P2SH, 111, 196, "1234", None, btchip.QWERTY_KEYMAP, SEED)
except Exception:
pass
# Authenticate
app.verifyPin("1234")
# Get the trusted input associated to the UTXO
transaction = bitcoinTransaction(UTX)
print transaction
trustedInput = app.getTrustedInput(transaction, UTXO_INDEX)
# Start composing the transaction
app.startUntrustedTransaction(True, 0, [trustedInput], REDEEMSCRIPT)
app.finalizeInputFull(OUTPUT)
signature1 = app.untrustedHashSign("0'/0/1", "")
if signature1 <> SIGNATURE_1:
raise BTChipException("Invalid signature1")
# Same thing for the second signature
app.startUntrustedTransaction(True, 0, [trustedInput], REDEEMSCRIPT)
app.finalizeInputFull(OUTPUT)
signature2 = app.untrustedHashSign("0'/0/2", "")
if signature2 <> SIGNATURE_2:
raise BTChipException("Invalid signature2")
# Finalize the transaction - build the redeem script and put everything together
inputScript = get_p2sh_input_script(REDEEMSCRIPT, [signature2, signature1])
transaction = format_transaction(OUTPUT, [ [ trustedInput['value'], inputScript] ])
print "Generated transaction : " + str(transaction).encode('hex')
if transaction <> TRANSACTION:
raise BTChipException("Invalid transaction")
# The transaction is ready to be broadcast, enjoy
|
