def write_opreturn(bitcoin_address, bitcoin_private_key, raw_message, fee=5000, push=False):
message = hexlify(raw_message.encode()).decode('utf8')
spendables = spendables_for_address(bitcoin_address)
spendables = [s for s in spendables]
bitcoin_sum = sum([spendable.coin_value for spendable in spendables])
inputs = [spendable.tx_in() for spendable in spendables]
outputs = []
if (bitcoin_sum > fee):
change_output_script = standard_tx_out_script(bitcoin_address)
print change_output_script
outputs.append(TxOut(bitcoin_sum - fee, change_output_script))
## Build the OP_RETURN output with our message
op_return_output_script = script.tools.compile("OP_RETURN %s" % message)
outputs.append(TxOut(0, op_return_output_script))
## Create the transaction and sign it with the private key
tx = Tx(version=1, txs_in=inputs, txs_out=outputs)
tx.set_unspents(spendables)
sign_tx(tx, wifs=[bitcoin_private_key])
print tx.as_hex()
if not push:
return tx.as_hex()
else:
pushtx(tx.as_hex())
else:
print "INADEQUATE FUNDS"
def write_transfer(sender, sender_priv, recipient, message, fee=m.default_fee, avoid_inputs=[]):
message = hexlify(message.encode()).decode('utf8')
spendables = spendables_for_address(sender)
spendables = [s for s in spendables if not spendable_to_legible(s.tx_in()) in avoid_inputs]
bitcoin_sum = sum([spendable.coin_value for spendable in spendables])
inputs = [spendable.tx_in() for spendable in spendables]
outputs = []
if bitcoin_sum > fee + m.dust*2:
remaining = bitcoin_sum - fee - m.dust*2
dest_output_script = standard_tx_out_script(recipient)
change_output_script = standard_tx_out_script(sender)
btc_change_output_script = standard_tx_out_script(sender)
op_return_output_script = script.tools.compile("OP_RETURN %s" % message)
outputs.append(TxOut(m.dust, dest_output_script))
outputs.append(TxOut(m.dust, change_output_script))
outputs.append(TxOut(remaining, btc_change_output_script))
outputs.append(TxOut(0, op_return_output_script))
tx = Tx(version=1, txs_in=inputs, txs_out=outputs)
tx.set_unspents(spendables)
sign_tx(tx, wifs=[sender_priv])
print tx.as_hex()
return tx.as_hex()
else:
print "INADEQUATE FUNDS"
def dummy_op_return_tx(key, message, spendables, fee=10000):
address = key.address()
if len(message) > 80:
raise ValueError("message must not be longer than 80 bytes")
message = hexlify(message).decode()
bitcoin_sum = sum(spendable.coin_value for spendable in spendables)
if bitcoin_sum < fee:
raise Exception("not enough bitcoin to cover fee")
inputs = [spendable.tx_in() for spendable in spendables]
outputs = []
if bitcoin_sum > fee:
change_output_script = standard_tx_out_script(address)
outputs.append(TxOut(bitcoin_sum - fee, change_output_script))
op_return_output_script = script.tools.compile('OP_RETURN %s' % message)
outputs.append(TxOut(0, op_return_output_script))
tx = Tx(version=1, txs_in=inputs, txs_out=outputs)
tx.set_unspents(spendables)
sign_tx(tx, wifs=[key.wif()])
return tx
def make_signed_tx_from_vote(vote, password, user=PRIMARY, extra_payables=[]):
key = get_private_key(password, user)
if key is None:
raise Exception('Password Incorrect')
tx = mix_nulldata_into_tx(vote.to_bytes(), create_stock_tx(user, extra_payables=extra_payables))
sign_tx(tx, [key.wif()])
return tx
def main():
if len(sys.argv) != 4:
print("usage: %s tx-hex-file-path wif-file-path p2sh-file-path" %
sys.argv[0])
sys.exit(-1)
# get the tx
with open(sys.argv[1], "r") as f:
tx_hex = f.readline().strip()
tx = Tx.from_hex(tx_hex)
# get the WIF
with open(sys.argv[2], "r") as f:
wif = f.readline().strip()
assert is_wif_valid(wif)
# create the p2sh_lookup
with open(sys.argv[3], "r") as f:
p2sh_script_hex = f.readline().strip()
p2sh_script = h2b(p2sh_script_hex)
# build a dictionary of script hashes to scripts
p2sh_lookup = build_p2sh_lookup([p2sh_script])
# sign the transaction with the given WIF
sign_tx(tx, wifs=[wif], p2sh_lookup=p2sh_lookup)
bad_signature_count = tx.bad_signature_count()
print("tx %s now has %d bad signature(s)" % (tx.id(), bad_signature_count))
include_unspents = (bad_signature_count > 0)
print("Here is the tx as hex:\n%s" %
tx.as_hex(include_unspents=include_unspents))
def main():
if len(sys.argv) != 4:
print("usage: %s tx-hex-file-path wif-file-path p2sh-file-path" % sys.argv[0])
sys.exit(-1)
# get the tx
with open(sys.argv[1], "r") as f:
tx_hex = f.readline().strip()
tx = Tx.from_hex(tx_hex)
# get the WIF
with open(sys.argv[2], "r") as f:
wif = f.readline().strip()
assert is_wif_valid(wif)
# create the p2sh_lookup
with open(sys.argv[3], "r") as f:
p2sh_script_hex = f.readline().strip()
p2sh_script = h2b(p2sh_script_hex)
# build a dictionary of script hashes to scripts
p2sh_lookup = build_p2sh_lookup([p2sh_script])
# sign the transaction with the given WIF
sign_tx(tx, wifs=[wif], p2sh_lookup=p2sh_lookup)
bad_signature_count = tx.bad_signature_count()
print("tx %s now has %d bad signature(s)" % (tx.id(), bad_signature_count))
include_unspents = (bad_signature_count > 0)
print("Here is the tx as hex:\n%s" % tx.as_hex(include_unspents=include_unspents))
def test_segwit_create_tx(self):
from pycoin.tx.tx_utils import create_tx, sign_tx
from pycoin.tx.Spendable import Spendable
from pycoin.tx.pay_to.ScriptPayToAddress import ScriptPayToAddress
from pycoin.tx.pay_to.ScriptPayToAddressWit import ScriptPayToAddressWit
from pycoin.tx.pay_to.ScriptPayToScriptWit import ScriptPayToScriptWit
from pycoin.ui import address_for_pay_to_script_wit, script_obj_from_address
key1 = Key(1)
coin_value = 5000000
script = ScriptPayToAddressWit(b'\0', key1.hash160()).script()
tx_hash = b'\ee' * 32
tx_out_index = 0
spendable = Spendable(coin_value, script, tx_hash, tx_out_index)
key2 = Key(2)
tx = create_tx([spendable], [(key2.address(), coin_value)])
self.check_unsigned(tx)
sign_tx(tx, [key1.wif()])
self.check_signed(tx)
self.assertEqual(len(tx.txs_in[0].witness), 2)
s1 = ScriptPayToAddress(key1.hash160()).script()
address = address_for_pay_to_script_wit(s1)
spendable.script = script_obj_from_address(address).script()
tx = create_tx([spendable], [(key2.address(), coin_value)])
self.check_unsigned(tx)
sign_tx(tx, [key1.wif()], p2sh_lookup=build_p2sh_lookup([s1]))
self.check_signed(tx)
def test_segwit_create_tx(self):
from pycoin.tx.tx_utils import create_tx, sign_tx
from pycoin.tx.Spendable import Spendable
from pycoin.tx.pay_to.ScriptPayToAddress import ScriptPayToAddress
from pycoin.tx.pay_to.ScriptPayToAddressWit import ScriptPayToAddressWit
from pycoin.tx.pay_to.ScriptPayToScriptWit import ScriptPayToScriptWit
from pycoin.ui import address_for_pay_to_script_wit, script_obj_from_address
key1 = Key(1)
coin_value = 5000000
script = ScriptPayToAddressWit(b'\0', key1.hash160()).script()
tx_hash = b'\ee' * 32
tx_out_index = 0
spendable = Spendable(coin_value, script, tx_hash, tx_out_index)
key2 = Key(2)
tx = create_tx([spendable], [(key2.address(), coin_value)])
self.check_unsigned(tx)
sign_tx(tx, [key1.wif()])
self.check_signed(tx)
self.assertEqual(len(tx.txs_in[0].witness), 2)
s1 = ScriptPayToAddress(key1.hash160()).script()
address = address_for_pay_to_script_wit(s1)
spendable.script = script_obj_from_address(address).script()
tx = create_tx([spendable], [(key2.address(), coin_value)])
self.check_unsigned(tx)
sign_tx(tx, [key1.wif()], p2sh_lookup=build_p2sh_lookup([s1]))
self.check_signed(tx)
def _signtx(self, unsigned_tx: Tx, in_addrs: Set[str], fee: int) -> None:
""" Signs Tx and redistributes outputs to include the miner fee.
:param unsigned_tx: an unsigned Tx to sign and add fee to
:param in_addrs: a list of our addresses that have recieved coins
:param fee: an int representing the desired Tx fee
"""
redeem_scripts = {} # type: Dict[bytes, bytes]
wifs = [] # type: List[str]
# Search our indicies for keys used, given in in_addrs list
# Populate lists with our privkeys and redeemscripts
for change in (True, False):
addresses = self.get_all_known_addresses(change, addr=True)
for i, addr in enumerate(addresses):
key = self.get_key(i, change) # type: SegwitBIP32Node
if addr in in_addrs:
p2aw_script = key.p2wpkh_script() # type: bytes
script_hash = key.p2wpkh_script_hash() # type: bytes
redeem_scripts[script_hash] = p2aw_script
wifs.append(key.wif())
# Include our total fee and sign the Tx
distribute_from_split_pool(unsigned_tx, fee)
sign_tx(unsigned_tx,
wifs=wifs,
netcode=self.chain.netcode,
p2sh_lookup=redeem_scripts)
def build_tx(signature, address, wif):
prev = get_spendable(address)
spend_tx = create_tx([prev], [address])
signature_script = ScriptNulldata(signature).script()
signature_out = TxOut(0, signature_script)
spend_tx.txs_out.append(signature_out)
sign_tx(spend_tx, wifs=[wif])
return spend_tx
def make_signed_tx_from_vote(vote, password, user=PRIMARY, extra_payables=[]):
key = get_private_key(password, user)
if key is None:
raise Exception('Password Incorrect')
tx = mix_nulldata_into_tx(
vote.to_bytes(), create_stock_tx(user, extra_payables=extra_payables))
sign_tx(tx, [key.wif()])
return tx
def op_return_this(privatekey, text, prefix = "KEYSTAMP:", bitcoin_fee = 10000):
bitcoin_keyobj = get_key(privatekey)
bitcoin_address = bitcoin_keyobj.bitcoin_address()
## Get the spendable outputs we are going to use to pay the fee
all_spendables = get_spendables_blockcypher(bitcoin_address)
spendables = []
value = 0
for unspent in all_spendables:
while value < bitcoin_fee + 10000:
coin_value = unspent.get("value")
script = h2b(unspent.get("script_hex"))
previous_hash = h2b_rev(unspent.get("tx_hash"))
previous_index = unspent.get("index")
spendables.append(Spendable(coin_value, script, previous_hash, previous_index))
value += coin_value
bitcoin_sum = sum(spendable.coin_value for spendable in spendables)
if(bitcoin_sum < bitcoin_fee):
print "ERROR: not enough balance: available: %s - fee: %s" %(bitcoin_sum, bitcoin_fee)
return False
## Create the inputs we are going to use
inputs = [spendable.tx_in() for spendable in spendables]
## If we will have change left over create an output to send it back
outputs = []
if (bitcoin_sum > bitcoin_fee):
change_output_script = standard_tx_out_script(bitcoin_address)
total_amout = bitcoin_sum - bitcoin_fee
outputs.append(TxOut(total_amout, change_output_script))
# home_address = standard_tx_out_script(bitcoin_address)
# #TODO: it needs some love and IQ on input mananagement stuff
# outputs.append(TxOut((bitcoin_sum - bitcoin_fee), home_address))
## Build the OP_RETURN output with our message
if prefix is not None and (len(text) + len(prefix) <= 80):
text = prefix + text
message = hexlify(text.encode()).decode('utf8')
op_return_output_script = tools.compile("OP_RETURN %s" % message)
outputs.append(TxOut(0, op_return_output_script))
## Create the transaction and sign it with the private key
tx = Tx(version=1, txs_in=inputs, txs_out=outputs)
# print tx.as_hex()
# print spendables
tx.set_unspents(spendables)
sign_tx(tx, wifs=[privatekey])
print "singed_tx: %s" %tx.as_hex()
#TODO: uncomment this when its ready to push data to blockchian
tx_hash = broadcast_tx_blockr(tx.as_hex())
return tx_hash
def do_signing(tx, key_iters, p2sh_lookup, netcode):
unsigned_before = tx.bad_signature_count()
unsigned_after = unsigned_before
if unsigned_before > 0 and key_iters:
print("signing...", file=sys.stderr)
sign_tx(tx, wif_iter(key_iters), p2sh_lookup=p2sh_lookup, netcode=netcode)
unsigned_after = tx.bad_signature_count()
if unsigned_after > 0:
print("warning: %d TxIn items still unsigned" % unsigned_after, file=sys.stderr)
return unsigned_after == 0
def do_signing(tx, key_iters, p2sh_lookup, netcode):
unsigned_before = tx.bad_signature_count()
unsigned_after = unsigned_before
if unsigned_before > 0 and key_iters:
print("signing...", file=sys.stderr)
sign_tx(tx, wif_iter(key_iters), p2sh_lookup=p2sh_lookup, netcode=netcode)
unsigned_after = tx.bad_signature_count()
if unsigned_after > 0:
print("warning: %d TxIn items still unsigned" % unsigned_after, file=sys.stderr)
return unsigned_after == 0
def send_funds(from_addr, payables, wif):
'''from_addr is a simple address in a string.
payables is a list of tuples of (address, amount in duffs)
wif is the wallet import format version of the private key for from_addr'''
bc = blockcypher.BlockcypherProvider(netcode='DASH',
api_key=blockcypher_api_key)
spendables = bc.spendables_for_address(from_addr)
tx = tx_utils.create_tx(spendables, payables, fee=0)
tx_utils.sign_tx(tx, [wif])
rtx = bc.broadcast_tx(tx)
return tx
def do_signing(tx, key_iters, p2sh_lookup, sec_hints, signature_hints, network):
unsigned_before = tx.bad_signature_count()
unsigned_after = unsigned_before
if unsigned_before > 0 and (key_iters or sec_hints or signature_hints):
print("signing...", file=sys.stderr)
sign_tx(tx, wif_iter(key_iters), p2sh_lookup=p2sh_lookup,
network=network, sec_hints=sec_hints, signature_hints=signature_hints)
unsigned_after = tx.bad_signature_count()
if unsigned_after > 0:
print("warning: %d TxIn items still unsigned" % unsigned_after, file=sys.stderr)
return unsigned_after == 0
def send_payment(self, rec_email, amount):
"""
Still in flux
"""
# TO DO: a database with emails and addresses would
# be far better than this
receive_address = get_address_for_account(rec_email)
# create input from prior transaction
tx_hex, index = self.utxo(amount)
tx = Tx.from_hex(tx_hex)
spendable = tx.tx_outs_as_spendable()[index]
# create unsigned transaction
tx = create_tx([spendable], [receive_address])
print("usigned %s" % tx.as_hex())
wallet = Wallet.Wallet.from_wallet_key(self.get_wallet_keys()[0])
sign_tx(tx, [wallet.wif()])
print("signed %s" % tx.as_hex())
def test_segwit_create_tx(self):
key1 = Key(1, generator=secp256k1_generator)
coin_value = 5000000
script = script_for_p2pkh_wit(key1.hash160())
tx_hash = b'\ee' * 32
tx_out_index = 0
spendable = Tx.Spendable(coin_value, script, tx_hash, tx_out_index)
key2 = Key(2, generator=secp256k1_generator)
tx = create_tx([spendable], [(key2.address(), coin_value)])
self.check_unsigned(tx)
sign_tx(tx, [key1.wif()])
self.check_signed(tx)
self.assertEqual(len(tx.txs_in[0].witness), 2)
s1 = script_for_p2pkh(key1.hash160())
address = BitcoinMainnet.ui.address_for_p2s_wit(s1)
spendable.script = BitcoinMainnet.ui.script_for_address(address)
tx = create_tx([spendable], [(key2.address(), coin_value)])
self.check_unsigned(tx)
sign_tx(tx, [key1.wif()], p2sh_lookup=build_p2sh_lookup([s1]))
self.check_signed(tx)
def send_op_return_tx(key, message, fee=10000):
"""
Send an transaction with an OP_RETURN output.
Args:
key: the Bitcoin Key to send the transaction from.
message: the message to include in OP_RETURN.
fee: the miner fee that should be paid in Satoshis.
Returns:
The broadcasted Tx.
"""
address = key.address()
if len(message) > 80:
raise ValueError("message must not be longer than 80 bytes")
message = hexlify(message).decode()
spendables = spendables_for_address(address)
bitcoin_sum = sum(spendable.coin_value for spendable in spendables)
if bitcoin_sum < fee:
raise Exception("not enough bitcoin to cover fee")
inputs = [spendable.tx_in() for spendable in spendables]
outputs = []
if bitcoin_sum > fee:
change_output_script = standard_tx_out_script(address)
outputs.append(TxOut(bitcoin_sum - fee, change_output_script))
op_return_output_script = script.tools.compile('OP_RETURN %s' % message)
outputs.append(TxOut(0, op_return_output_script))
tx = Tx(version=1, txs_in=inputs, txs_out=outputs)
tx.set_unspents(spendables)
sign_tx(tx, wifs=[key.wif()])
broadcast_tx(tx)
return tx
from pycoin import convention
amount = convention.btc_to_satoshi(first_nondust['amount'])
dustbtc = convention.btc_to_satoshi(DUST)
feebtc = convention.btc_to_satoshi(FEE)
unspent = Spendable( amount, standard_tx_out_script(first_address), \
serialize.h2b_rev(first_nondust['tx']), first_nondust['n'] )
txout = TxOut( dustbtc, standard_tx_out_script(bob_notif.address()) )
change = TxOut( amount - (dustbtc + feebtc), standard_tx_out_script(change_addresses.pop()) )
op_return_script = pay_to.ScriptNulldata(alice_masked_pcode_nosuffix)
op_return_txout = TxOut(0, op_return_script.script())
notif_tx = Tx( 1, [unspent.tx_in()], [txout, change, op_return_txout], unspents=[unspent] )
tx_utils.sign_tx( notif_tx, [first_node.wif()] )
print "Signed Notification TX as hex:\n", notif_tx.as_hex()
data = urlencode(dict( hex=notif_tx.as_hex() ))
response = json.load( urlopen(url="http://tbtc.blockr.io/api/v1/tx/decode", data=data) )
print "Decoded:\n", pretty_json(response), '\n'
alice_notif_exp = alice_notif.secret_exponent()
bob_pcode_nodes = get_nodes(bob_wallet, GAP_LIMIT, pcode=True)
bob_ephem_key = None
for bob_pcode_node in bob_pcode_nodes.values():
pcode_pp = bob_pcode_node.public_pair()
pcode_point = ellipticcurve.Point(curve, pcode_pp[0], pcode_pp[1])
def main():
parser = argparse.ArgumentParser(
description="Manipulate bitcoin (or alt coin) transactions.",
epilog=EPILOG)
parser.add_argument('-t', "--transaction-version", type=int,
help='Transaction version, either 1 (default) or 3 (not yet supported).')
parser.add_argument('-l', "--lock-time", type=parse_locktime, help='Lock time; either a block'
'index, or a date/time (example: "2014-01-01T15:00:00"')
parser.add_argument('-n', "--network", default="BTC",
help='Define network code (M=Bitcoin mainnet, T=Bitcoin testnet).')
parser.add_argument('-a', "--augment", action='store_true',
help='augment tx by adding any missing spendable metadata by fetching'
' inputs from cache and/or web services')
parser.add_argument("-i", "--fetch-spendables", metavar="address", action="append",
help='Add all unspent spendables for the given bitcoin address. This information'
' is fetched from web services.')
parser.add_argument('-f', "--private-key-file", metavar="path-to-private-keys", action="append",
help='file containing WIF or BIP0032 private keys. If file name ends with .gpg, '
'"gpg -d" will be invoked automatically. File is read one line at a time, and if '
'the file contains only one WIF per line, it will also be scanned for a bitcoin '
'address, and any addresses found will be assumed to be public keys for the given'
' private key.',
type=argparse.FileType('r'))
parser.add_argument('-g', "--gpg-argument", help='argument to pass to gpg (besides -d).', default='')
parser.add_argument("--remove-tx-in", metavar="tx_in_index_to_delete", action="append", type=int,
help='remove a tx_in')
parser.add_argument("--remove-tx-out", metavar="tx_out_index_to_delete", action="append", type=int,
help='remove a tx_out')
parser.add_argument('-F', "--fee", help='fee, in satoshis, to pay on transaction, or '
'"standard" to auto-calculate. This is only useful if the "split pool" '
'is used; otherwise, the fee is automatically set to the unclaimed funds.',
default="standard", metavar="transaction-fee", type=parse_fee)
parser.add_argument('-C', "--cache", help='force the resultant transaction into the transaction cache.'
' Mostly for testing.', action='store_true'),
parser.add_argument('-u', "--show-unspents", action='store_true',
help='show TxOut items for this transaction in Spendable form.')
parser.add_argument('-b', "--bitcoind-url",
help='URL to bitcoind instance to validate against (http://user:pass@host:port).')
parser.add_argument('-o', "--output-file", metavar="path-to-output-file", type=argparse.FileType('wb'),
help='file to write transaction to. This supresses most other output.')
parser.add_argument("argument", nargs="+", help='generic argument: can be a hex transaction id '
'(exactly 64 characters) to be fetched from cache or a web service;'
' a transaction as a hex string; a path name to a transaction to be loaded;'
' a spendable 4-tuple of the form tx_id/tx_out_idx/script_hex/satoshi_count '
'to be added to TxIn list; an address/satoshi_count to be added to the TxOut '
'list; an address to be added to the TxOut list and placed in the "split'
' pool".')
args = parser.parse_args()
# defaults
txs = []
spendables = []
payables = []
key_iters = []
TX_ID_RE = re.compile(r"^[0-9a-fA-F]{64}$")
# there are a few warnings we might optionally print out, but only if
# they are relevant. We don't want to print them out multiple times, so we
# collect them here and print them at the end if they ever kick in.
warning_tx_cache = None
warning_get_tx = None
warning_spendables = None
if args.private_key_file:
wif_re = re.compile(r"[1-9a-km-zA-LMNP-Z]{51,111}")
# address_re = re.compile(r"[1-9a-kmnp-zA-KMNP-Z]{27-31}")
for f in args.private_key_file:
if f.name.endswith(".gpg"):
gpg_args = ["gpg", "-d"]
if args.gpg_argument:
gpg_args.extend(args.gpg_argument.split())
gpg_args.append(f.name)
popen = subprocess.Popen(gpg_args, stdout=subprocess.PIPE)
f = popen.stdout
for line in f.readlines():
# decode
if isinstance(line, bytes):
line = line.decode("utf8")
# look for WIFs
possible_keys = wif_re.findall(line)
def make_key(x):
try:
return Key.from_text(x)
except Exception:
return None
keys = [make_key(x) for x in possible_keys]
for key in keys:
if key:
key_iters.append((k.wif() for k in key.subkeys("")))
# if len(keys) == 1 and key.hierarchical_wallet() is None:
# # we have exactly 1 WIF. Let's look for an address
# potential_addresses = address_re.findall(line)
# we create the tx_db lazily
tx_db = None
for arg in args.argument:
# hex transaction id
if TX_ID_RE.match(arg):
if tx_db is None:
warning_tx_cache = message_about_tx_cache_env()
warning_get_tx = message_about_get_tx_env()
tx_db = get_tx_db()
tx = tx_db.get(h2b_rev(arg))
if not tx:
for m in [warning_tx_cache, warning_get_tx, warning_spendables]:
if m:
print("warning: %s" % m, file=sys.stderr)
parser.error("can't find Tx with id %s" % arg)
txs.append(tx)
continue
# hex transaction data
try:
tx = Tx.tx_from_hex(arg)
txs.append(tx)
continue
except Exception:
pass
try:
key = Key.from_text(arg)
# TODO: check network
if key.wif() is None:
payables.append((key.address(), 0))
continue
# TODO: support paths to subkeys
key_iters.append((k.wif() for k in key.subkeys("")))
continue
except Exception:
pass
if os.path.exists(arg):
try:
with open(arg, "rb") as f:
if f.name.endswith("hex"):
f = io.BytesIO(codecs.getreader("hex_codec")(f).read())
tx = Tx.parse(f)
txs.append(tx)
try:
tx.parse_unspents(f)
except Exception as ex:
pass
continue
except Exception:
pass
parts = arg.split("/")
if len(parts) == 4:
# spendable
try:
spendables.append(Spendable.from_text(arg))
continue
except Exception:
pass
# TODO: fix allowable_prefixes
allowable_prefixes = b'\0'
if len(parts) == 2 and encoding.is_valid_bitcoin_address(
parts[0], allowable_prefixes=allowable_prefixes):
try:
payables.append(parts)
continue
except ValueError:
pass
parser.error("can't parse %s" % arg)
if args.fetch_spendables:
warning_spendables = message_about_spendables_for_address_env()
for address in args.fetch_spendables:
spendables.extend(spendables_for_address(address))
for tx in txs:
if tx.missing_unspents() and args.augment:
if tx_db is None:
warning_tx_cache = message_about_tx_cache_env()
warning_get_tx = message_about_get_tx_env()
tx_db = get_tx_db()
tx.unspents_from_db(tx_db, ignore_missing=True)
txs_in = []
txs_out = []
unspents = []
# we use a clever trick here to keep each tx_in corresponding with its tx_out
for tx in txs:
smaller = min(len(tx.txs_in), len(tx.txs_out))
txs_in.extend(tx.txs_in[:smaller])
txs_out.extend(tx.txs_out[:smaller])
unspents.extend(tx.unspents[:smaller])
for tx in txs:
smaller = min(len(tx.txs_in), len(tx.txs_out))
txs_in.extend(tx.txs_in[smaller:])
txs_out.extend(tx.txs_out[smaller:])
unspents.extend(tx.unspents[smaller:])
for spendable in spendables:
txs_in.append(spendable.tx_in())
unspents.append(spendable)
for address, coin_value in payables:
script = standard_tx_out_script(address)
txs_out.append(TxOut(coin_value, script))
lock_time = args.lock_time
version = args.transaction_version
# if no lock_time is explicitly set, inherit from the first tx or use default
if lock_time is None:
if txs:
lock_time = txs[0].lock_time
else:
lock_time = DEFAULT_LOCK_TIME
# if no version is explicitly set, inherit from the first tx or use default
if version is None:
if txs:
version = txs[0].version
else:
version = DEFAULT_VERSION
if args.remove_tx_in:
s = set(args.remove_tx_in)
txs_in = [tx_in for idx, tx_in in enumerate(txs_in) if idx not in s]
if args.remove_tx_out:
s = set(args.remove_tx_out)
txs_out = [tx_out for idx, tx_out in enumerate(txs_out) if idx not in s]
tx = Tx(txs_in=txs_in, txs_out=txs_out, lock_time=lock_time, version=version, unspents=unspents)
fee = args.fee
try:
distribute_from_split_pool(tx, fee)
except ValueError as ex:
print("warning: %s" % ex.args[0], file=sys.stderr)
unsigned_before = tx.bad_signature_count()
if unsigned_before > 0 and key_iters:
def wif_iter(iters):
while len(iters) > 0:
for idx, iter in enumerate(iters):
try:
wif = next(iter)
yield wif
except StopIteration:
iters = iters[:idx] + iters[idx+1:]
break
print("signing...", file=sys.stderr)
sign_tx(tx, wif_iter(key_iters))
unsigned_after = tx.bad_signature_count()
if unsigned_after > 0 and key_iters:
print("warning: %d TxIn items still unsigned" % unsigned_after, file=sys.stderr)
if len(tx.txs_in) == 0:
print("warning: transaction has no inputs", file=sys.stderr)
if len(tx.txs_out) == 0:
print("warning: transaction has no outputs", file=sys.stderr)
include_unspents = (unsigned_after > 0)
tx_as_hex = tx.as_hex(include_unspents=include_unspents)
if args.output_file:
f = args.output_file
if f.name.endswith(".hex"):
f.write(tx_as_hex.encode("utf8"))
else:
tx.stream(f)
if include_unspents:
tx.stream_unspents(f)
f.close()
elif args.show_unspents:
for spendable in tx.tx_outs_as_spendable():
print(spendable.as_text())
else:
if not tx.missing_unspents():
check_fees(tx)
dump_tx(tx, args.network)
if include_unspents:
print("including unspents in hex dump since transaction not fully signed")
print(tx_as_hex)
if args.cache:
if tx_db is None:
warning_tx_cache = message_about_tx_cache_env()
warning_get_tx = message_about_get_tx_env()
tx_db = get_tx_db()
tx_db.put(tx)
if args.bitcoind_url:
if tx_db is None:
warning_tx_cache = message_about_tx_cache_env()
warning_get_tx = message_about_get_tx_env()
tx_db = get_tx_db()
validate_bitcoind(tx, tx_db, args.bitcoind_url)
if tx.missing_unspents():
print("\n** can't validate transaction as source transactions missing", file=sys.stderr)
else:
try:
if tx_db is None:
warning_tx_cache = message_about_tx_cache_env()
warning_get_tx = message_about_get_tx_env()
tx_db = get_tx_db()
tx.validate_unspents(tx_db)
print('all incoming transaction values validated')
except BadSpendableError as ex:
print("\n**** ERROR: FEES INCORRECTLY STATED: %s" % ex.args[0], file=sys.stderr)
except Exception as ex:
print("\n*** can't validate source transactions as untampered: %s" %
ex.args[0], file=sys.stderr)
# print warnings
for m in [warning_tx_cache, warning_get_tx, warning_spendables]:
if m:
print("warning: %s" % m, file=sys.stderr)
def signTxLegacy(txHex, fromWif):
tx = Tx.from_hex(txHex)
sign_tx(tx, wifs=[fromWif])
return tx.as_hex()
def main():
parser = create_parser()
args = parser.parse_args()
(txs, spendables, payables, key_iters, p2sh_lookup, tx_db,
warning_tx_cache, warning_tx_for_tx_hash, warning_spendables) = parse_context(args, parser)
txs_in = []
txs_out = []
unspents = []
# we use a clever trick here to keep each tx_in corresponding with its tx_out
for tx in txs:
smaller = min(len(tx.txs_in), len(tx.txs_out))
txs_in.extend(tx.txs_in[:smaller])
txs_out.extend(tx.txs_out[:smaller])
unspents.extend(tx.unspents[:smaller])
for tx in txs:
smaller = min(len(tx.txs_in), len(tx.txs_out))
txs_in.extend(tx.txs_in[smaller:])
txs_out.extend(tx.txs_out[smaller:])
unspents.extend(tx.unspents[smaller:])
for spendable in spendables:
txs_in.append(spendable.tx_in())
unspents.append(spendable)
for address, coin_value in payables:
script = standard_tx_out_script(address)
txs_out.append(TxOut(coin_value, script))
lock_time = args.lock_time
version = args.transaction_version
# if no lock_time is explicitly set, inherit from the first tx or use default
if lock_time is None:
if txs:
lock_time = txs[0].lock_time
else:
lock_time = DEFAULT_LOCK_TIME
# if no version is explicitly set, inherit from the first tx or use default
if version is None:
if txs:
version = txs[0].version
else:
version = DEFAULT_VERSION
if args.remove_tx_in:
s = set(args.remove_tx_in)
txs_in = [tx_in for idx, tx_in in enumerate(txs_in) if idx not in s]
if args.remove_tx_out:
s = set(args.remove_tx_out)
txs_out = [tx_out for idx, tx_out in enumerate(txs_out) if idx not in s]
tx = Tx(txs_in=txs_in, txs_out=txs_out, lock_time=lock_time, version=version, unspents=unspents)
fee = args.fee
try:
distribute_from_split_pool(tx, fee)
except ValueError as ex:
print("warning: %s" % ex.args[0], file=sys.stderr)
unsigned_before = tx.bad_signature_count()
unsigned_after = unsigned_before
if unsigned_before > 0 and key_iters:
def wif_iter(iters):
while len(iters) > 0:
for idx, iter in enumerate(iters):
try:
wif = next(iter)
yield wif
except StopIteration:
iters = iters[:idx] + iters[idx+1:]
break
print("signing...", file=sys.stderr)
sign_tx(tx, wif_iter(key_iters), p2sh_lookup=p2sh_lookup)
unsigned_after = tx.bad_signature_count()
if unsigned_after > 0:
print("warning: %d TxIn items still unsigned" % unsigned_after, file=sys.stderr)
if len(tx.txs_in) == 0:
print("warning: transaction has no inputs", file=sys.stderr)
if len(tx.txs_out) == 0:
print("warning: transaction has no outputs", file=sys.stderr)
include_unspents = (unsigned_after > 0)
tx_as_hex = tx.as_hex(include_unspents=include_unspents)
if args.output_file:
f = args.output_file
if f.name.endswith(".hex"):
f.write(tx_as_hex.encode("utf8"))
else:
tx.stream(f)
if include_unspents:
tx.stream_unspents(f)
f.close()
elif args.show_unspents:
for spendable in tx.tx_outs_as_spendable():
print(spendable.as_text())
else:
if not tx.missing_unspents():
check_fees(tx)
dump_tx(tx, args.network, args.verbose_signature, args.disassemble, args.trace, args.pdb)
if include_unspents:
print("including unspents in hex dump since transaction not fully signed")
print(tx_as_hex)
if args.cache:
if tx_db is None:
warning_tx_cache = message_about_tx_cache_env()
warning_tx_for_tx_hash = message_about_tx_for_tx_hash_env(args.network)
tx_db = get_tx_db(args.network)
tx_db.put(tx)
if args.bitcoind_url:
if tx_db is None:
warning_tx_cache = message_about_tx_cache_env()
warning_tx_for_tx_hash = message_about_tx_for_tx_hash_env(args.network)
tx_db = get_tx_db(args.network)
validate_bitcoind(tx, tx_db, args.bitcoind_url)
if tx.missing_unspents():
print("\n** can't validate transaction as source transactions missing", file=sys.stderr)
else:
try:
if tx_db is None:
warning_tx_cache = message_about_tx_cache_env()
warning_tx_for_tx_hash = message_about_tx_for_tx_hash_env(args.network)
tx_db = get_tx_db(args.network)
tx.validate_unspents(tx_db)
print('all incoming transaction values validated')
except BadSpendableError as ex:
print("\n**** ERROR: FEES INCORRECTLY STATED: %s" % ex.args[0], file=sys.stderr)
except Exception as ex:
print("\n*** can't validate source transactions as untampered: %s" %
ex.args[0], file=sys.stderr)
# print warnings
for m in [warning_tx_cache, warning_tx_for_tx_hash, warning_spendables]:
if m:
print("warning: %s" % m, file=sys.stderr)
def create_signed_tx(txio_tuple):
txins, txouts, spendables, wifs = txio_tuple
tx = Tx( 1, txins, txouts, unspents=spendables )
tx_utils.sign_tx( tx, wifs )
return tx
exit("Message must be 80 characters or less")
message = hexlify(raw_message.encode()).decode('utf8')
## Get the spendable outputs we are going to use to pay the fee
spendables = spendables_for_address(bitcoin_address)
bitcoin_sum = sum(spendable.coin_value for spendable in spendables)
if(bitcoin_sum < bitcoin_fee):
exit("Not enough satoshis to cover the fee. found: {sum} need: {fee}"
.format(sum=bitcoin_sum,fee=bitcoin_fee))
## Create the inputs we are going to use
inputs = [spendable.tx_in() for spendable in spendables]
## If we will have change left over create an output to send it back
outputs = []
if (bitcoin_sum > bitcoin_fee):
change_output_script = standard_tx_out_script(bitcoin_address)
outputs.append(TxOut(bitcoin_sum - bitcoin_fee, change_output_script))
## Build the OP_RETURN output with our message
op_return_output_script = script.tools.compile("OP_RETURN %s" % message)
outputs.append(TxOut(0, op_return_output_script))
## Create the transaction and sign it with the private key
tx = Tx(version=1, txs_in=inputs, txs_out=outputs)
tx.set_unspents(spendables)
signed_tx = sign_tx(tx, wifs=[bitcoin_private_key])
## Send the signed transaction to the network through bitcoind
## Note: that os.system() prints the response for us
system("bitcoin-cli sendrawtransaction %s" % tx.as_hex())
def main():
parser = create_parser()
args = parser.parse_args()
(txs, spendables, payables, key_iters, p2sh_lookup, tx_db,
warning_tx_cache, warning_tx_for_tx_hash,
warning_spendables) = parse_context(args, parser)
txs_in = []
txs_out = []
unspents = []
# we use a clever trick here to keep each tx_in corresponding with its tx_out
for tx in txs:
smaller = min(len(tx.txs_in), len(tx.txs_out))
txs_in.extend(tx.txs_in[:smaller])
txs_out.extend(tx.txs_out[:smaller])
unspents.extend(tx.unspents[:smaller])
for tx in txs:
smaller = min(len(tx.txs_in), len(tx.txs_out))
txs_in.extend(tx.txs_in[smaller:])
txs_out.extend(tx.txs_out[smaller:])
unspents.extend(tx.unspents[smaller:])
for spendable in spendables:
txs_in.append(spendable.tx_in())
unspents.append(spendable)
for address, coin_value in payables:
script = standard_tx_out_script(address)
txs_out.append(TxOut(coin_value, script))
lock_time = args.lock_time
version = args.transaction_version
# if no lock_time is explicitly set, inherit from the first tx or use default
if lock_time is None:
if txs:
lock_time = txs[0].lock_time
else:
lock_time = DEFAULT_LOCK_TIME
# if no version is explicitly set, inherit from the first tx or use default
if version is None:
if txs:
version = txs[0].version
else:
version = DEFAULT_VERSION
if args.remove_tx_in:
s = set(args.remove_tx_in)
txs_in = [tx_in for idx, tx_in in enumerate(txs_in) if idx not in s]
if args.remove_tx_out:
s = set(args.remove_tx_out)
txs_out = [
tx_out for idx, tx_out in enumerate(txs_out) if idx not in s
]
tx = Tx(txs_in=txs_in,
txs_out=txs_out,
lock_time=lock_time,
version=version,
unspents=unspents)
fee = args.fee
try:
distribute_from_split_pool(tx, fee)
except ValueError as ex:
print("warning: %s" % ex.args[0], file=sys.stderr)
unsigned_before = tx.bad_signature_count()
unsigned_after = unsigned_before
if unsigned_before > 0 and key_iters:
def wif_iter(iters):
while len(iters) > 0:
for idx, iter in enumerate(iters):
try:
wif = next(iter)
yield wif
except StopIteration:
iters = iters[:idx] + iters[idx + 1:]
break
print("signing...", file=sys.stderr)
sign_tx(tx, wif_iter(key_iters), p2sh_lookup=p2sh_lookup)
unsigned_after = tx.bad_signature_count()
if unsigned_after > 0:
print("warning: %d TxIn items still unsigned" % unsigned_after,
file=sys.stderr)
if len(tx.txs_in) == 0:
print("warning: transaction has no inputs", file=sys.stderr)
if len(tx.txs_out) == 0:
print("warning: transaction has no outputs", file=sys.stderr)
include_unspents = (unsigned_after > 0)
tx_as_hex = tx.as_hex(include_unspents=include_unspents)
if args.output_file:
f = args.output_file
if f.name.endswith(".hex"):
f.write(tx_as_hex.encode("utf8"))
else:
tx.stream(f)
if include_unspents:
tx.stream_unspents(f)
f.close()
elif args.show_unspents:
for spendable in tx.tx_outs_as_spendable():
print(spendable.as_text())
else:
if not tx.missing_unspents():
check_fees(tx)
dump_tx(tx, args.network, args.verbose_signature, args.disassemble,
args.trace, args.pdb)
if include_unspents:
print(
"including unspents in hex dump since transaction not fully signed"
)
print(tx_as_hex)
if args.cache:
if tx_db is None:
warning_tx_cache = message_about_tx_cache_env()
warning_tx_for_tx_hash = message_about_tx_for_tx_hash_env(
args.network)
tx_db = get_tx_db(args.network)
tx_db.put(tx)
if args.bitcoind_url:
if tx_db is None:
warning_tx_cache = message_about_tx_cache_env()
warning_tx_for_tx_hash = message_about_tx_for_tx_hash_env(
args.network)
tx_db = get_tx_db(args.network)
validate_bitcoind(tx, tx_db, args.bitcoind_url)
if tx.missing_unspents():
print("\n** can't validate transaction as source transactions missing",
file=sys.stderr)
else:
try:
if tx_db is None:
warning_tx_cache = message_about_tx_cache_env()
warning_tx_for_tx_hash = message_about_tx_for_tx_hash_env(
args.network)
tx_db = get_tx_db(args.network)
tx.validate_unspents(tx_db)
print('all incoming transaction values validated')
except BadSpendableError as ex:
print("\n**** ERROR: FEES INCORRECTLY STATED: %s" % ex.args[0],
file=sys.stderr)
except Exception as ex:
print(
"\n*** can't validate source transactions as untampered: %s" %
ex.args[0],
file=sys.stderr)
# print warnings
for m in [warning_tx_cache, warning_tx_for_tx_hash, warning_spendables]:
if m:
print("warning: %s" % m, file=sys.stderr)
print('Your Bitcoin address is...', address)
print('Your --privkey-bytes', hexlify(key_bytes).decode())
try:
spendables = spendables_for_address(address, None)
print('Spending', spendables)
except HTTPError as e:
print(
'Blockchain throws a 500 error if there are no spendables. Try sending some coins to',
address, 'and try again. Remeber to copy privkey-bytes.')
sys.exit()
tx = create_tx(spendables, [args.send_all_to])
print('TX created:', repr(tx))
sign_tx(tx, [private_key.wif(False), private_key.wif(True)])
print('Final TX:', tx)
# print('TX Send Attempt:', send_tx(tx))
'''
tx_in = TxIn("<utxo hash in binary here>", <utxo position, usually between 0 and 5>)
script = standard_tx_out_script(address)
tx_out = TxOut(<btc amount to send - fee>, script)
tx = Tx(1, [tx_in], [tx_out])
lookup = <this part you have to figure out>
tx.sign(lookup)
print tx.as_hex()
def privateKeyToWif(key_hex):
def main(params=[]):
"""
Main function that deals with the information
Args:
-----
params: List of arguments received from the command line.
"""
banner = """
____ _ _ _ _ ____ ____ ____
| __ )| | ___ ___| | _____| |__ __ _(_)_ __ / ___|___ \ / ___|
| _ \| |/ _ \ / __| |/ / __| '_ \ / _` | | '_ \ | | __) | |
| |_) | | (_) | (__| < (__| | | | (_| | | | | | | |___ / __/| |___
|____/|_|\___/ \___|_|\_\___|_| |_|\__,_|_|_| |_| \____|_____|\____|
A PoC to push data to several blockchains by:
- Yaiza Rubio (@yrubiosec)
- Félix Brezo (@febrezo)"""
print(banner)
# Grabbing the parser
parser = getParser()
if params != None:
args = parser.parse_args(params)
else:
args = parser.parse_args()
# Getting the brain wallet
network = raw_input(
"\n> Choose type of network (BTC, XTN, LTC, XLT...) [XTN] ") or "XTN"
while network not in VALID_NETWORKS:
print("> The value provided '" + network +
"' is not a possible option. Choose one of the following:\n" +
json.dumps(VALID_NETWORKS.keys(), indent=2))
network = raw_input(
"\n> Choose type of network (BTC, XTN, LTC, XLT...) [XTN] "
) or "XTN"
print("\tNetwork: " + network)
# Defining the target address
admin_type = None
while admin_type not in ["brain", "other"]:
admin_type = raw_input(
"\n> Set ADMIN address: 'brain' or 'other'? [brain] ") or "brain"
if admin_type == "brain":
brain = raw_input("\n> Say word for the ADMIN brainwallet: ")
print("\tWe will generate the details for the target address:")
priv = generatePrivateKey(brain)
src_address = priv.address()
elif admin_type == "other":
print(
"\tNote that you might not know the private key of this address so you can lose your balance:"
)
src_WIF = raw_input(
"\n> Set the admin private key in WIF format: ")
#TODO:
priv = Key.from_text(src_WIF)
else:
admin_type = raw_input(
"\n> Set ADMIN address: 'brain' or 'other'? [brain] "
) or "brain"
# Get the spendable outputs we are going to use to pay the fee
print("\n> Choosing a provider!")
provider = getProvider(network=network)
spendables = provider.spendables_for_address(priv.address())
# Summing it up
source_balance = sum(spendable.coin_value for spendable in spendables)
print("\tBalance: " + str(source_balance))
if source_balance <= 0:
print(
"\n> No money in the account! You will need an account with some! Exiting!"
)
sys.exit()
# Defining the message to be send
message_str = raw_input("\n> Set message to send: ")
# No more than 80 caracters please!
if (len(message_str) > 80):
sys.exit("Message must be 80 characters or less")
print("\tMessage (string): " + message_str)
message_hex = hexlify(message_str.encode()).decode('utf8')
print("\tMessage (hexadecimal): " + message_hex)
# Defining the target address
target_type = None
while target_type not in ["brain", "other"]:
target_type = raw_input(
"\n> Set target address: 'brain' or 'other'? [brain] ") or "brain"
if target_type == "brain":
brain_dst = raw_input("\n> Say word for the TARGET brainwallet: ")
print("\tWe will generate the details for the target address:")
target = generatePrivateKey(brain_dst)
dst_address = target.address()
elif target_type == "other":
print(
"\tNote that you might not know the private key of this address so you can lose your balance:"
)
dst_address = raw_input("\n> Set the target address: ")
else:
target_type = raw_input(
"\n> Set target address: 'brain' or 'other'? [brain] "
) or "brain"
# Defining the default fee
try:
fee = int(raw_input("\n> Set the fee [10000]: "))
except:
fee = 10000
print("\tFee assigned: " + str(fee))
# Generating the transaction
print(
"\n> We'll try to create the transaction using all the spendables for "
+ priv.address())
# Creating the transaction
tx = tx_utils.create_tx(spendables, [(dst_address, source_balance - fee)],
fee=fee)
print("\tTx:\n" + str(tx))
print("\n> We will create the OP_RETURN script for the message '" +
message_str + "'.")
# We need the hexadecimal representation of the message
op_return_output_script = script.tools.compile("OP_RETURN %s" %
message_hex)
print("\tOP_RETURN script:\n" + str([str(op_return_output_script)]))
print("\n> Appending the new OP_RETURN script to the transaction:")
tx.txs_out.append(TxOut(0, op_return_output_script))
print("\tTx:\n" + str(tx))
print("\tNumber of outputs: " + str(len(tx.txs_out)))
print("\tDisplaying the outputs:\n")
for o in tx.txs_out:
print("\t\t- " + str(o))
#print "\tDictionary representing the transaction:\n" + tx.__dict__
print("\n> Signing the transaction:")
tx_utils.sign_tx(tx, netcode=network, wifs=[priv.wif()])
print("\tNow tx is a signed transaction:")
print("\tTx:\n" + str(tx))
print("\n> Showing the hexadecimal information of the SIGNED transaction:")
print(tx.as_hex())
if args.push:
print("\n> We will try to push the signed transaction now:")
pushTx(network=network, tx_hex=tx.as_hex())
else:
print("\n> You can push this transaction manually using curl:")
print("\tcurl -d 'tx_hex=" + tx.as_hex() +
"' https://chain.so/api/v2/send_tx/" + VALID_NETWORKS[network])
print(
"\n> You can also manually push this with the Web UI of BlockExplorer at <https://testnet.blockexplorer.com/tx/send>."
)
print(
"\n> You might want to do it using Tor Browser Bundle or torify to not let even a trace to know who you are in the provider."
)
def sign_tx(self, priv, tx):
sign_tx(tx, wifs=[priv])
return tx