def sign_tx(certificate_metadata, last_input, allowable_wif_prefixes=None):
"""sign the transaction with private key"""
with open(certificate_metadata.unsigned_tx_file_name, 'rb') as in_file:
hextx = str(in_file.read(), 'utf-8')
logging.info(
'Signing tx with private key for recipient id: %s ...', certificate_metadata.uid)
tx = Tx.from_hex(hextx)
if allowable_wif_prefixes:
wif = wif_to_secret_exponent(
helpers.import_key(), allowable_wif_prefixes)
else:
wif = wif_to_secret_exponent(helpers.import_key())
lookup = build_hash160_lookup([wif])
tx.set_unspents(
[TxOut(coin_value=last_input.amount, script=last_input.script_pub_key)])
signed_tx = tx.sign(lookup)
signed_hextx = signed_tx.as_hex()
with open(certificate_metadata.unsent_tx_file_name, 'wb') as out_file:
out_file.write(bytes(signed_hextx, 'utf-8'))
logging.info('Finished signing transaction for certificate uid=%s',
certificate_metadata.uid)
def sign_tx(certificate_metadata, last_input, allowable_wif_prefixes=None):
"""sign the transaction with private key"""
with open(certificate_metadata.unsigned_tx_file_name, 'rb') as in_file:
hextx = str(in_file.read(), 'utf-8')
logging.info('Signing tx with private key for recipient id: %s ...',
certificate_metadata.uid)
tx = Tx.from_hex(hextx)
if allowable_wif_prefixes:
wif = wif_to_secret_exponent(helpers.import_key(),
allowable_wif_prefixes)
else:
wif = wif_to_secret_exponent(helpers.import_key())
lookup = build_hash160_lookup([wif])
tx.set_unspents([
TxOut(coin_value=last_input.amount,
script=last_input.script_pub_key)
])
signed_tx = tx.sign(lookup)
signed_hextx = signed_tx.as_hex()
with open(certificate_metadata.unsent_tx_file_name, 'wb') as out_file:
out_file.write(bytes(signed_hextx, 'utf-8'))
logging.info('Finished signing transaction for certificate uid=%s',
certificate_metadata.uid)
def sign_tx(hextx, tx_input, allowable_wif_prefixes=None):
"""
Sign the transaction with private key
:param hextx:
:param tx_input:
:param allowable_wif_prefixes:
:return:
"""
logging.info('Signing tx with private key')
tx = Tx.from_hex(hextx)
if allowable_wif_prefixes:
wif = wif_to_secret_exponent(
helpers.import_key(), allowable_wif_prefixes)
else:
wif = wif_to_secret_exponent(helpers.import_key())
lookup = build_hash160_lookup([wif])
tx.set_unspents(
[TxOut(coin_value=tx_input.amount, script=tx_input.script_pub_key)])
signed_tx = tx.sign(lookup)
signed_hextx = signed_tx.as_hex()
logging.info('Finished signing transaction')
return signed_hextx
def sign_certs(certificates_metadata):
"""Sign certificates. Internet should be off for the scope of this function."""
logging.info('signing certificates')
pk = helpers.import_key()
secret_key = CBitcoinSecret(pk)
for uid, certificate_metadata in certificates_metadata.items():
with open(certificate_metadata.unsigned_certificate_file_name, 'r') as cert_in, \
open(certificate_metadata.signed_certificate_file_name, 'wb') as signed_cert:
cert = do_sign(cert_in.read(), secret_key)
signed_cert.write(bytes(cert, 'utf-8'))
def sign_certs(certificates_metadata):
"""Sign certificates. Internet should be off for the scope of this function."""
logging.info('signing certificates')
pk = helpers.import_key()
secret_key = CBitcoinSecret(pk)
for uid, certificate_metadata in certificates_metadata.items():
with open(certificate_metadata.unsigned_certificate_file_name, 'r') as cert_in, \
open(certificate_metadata.signed_certificate_file_name, 'wb') as signed_cert:
cert = do_sign(cert_in.read(), secret_key)
signed_cert.write(bytes(cert, 'utf-8'))
def sign_certs(certificates):
"""
Sign certificates. Internet should be off for the scope of this function.
:param certificates:
:return:
"""
logging.info('signing certificates')
private_key = helpers.import_key()
secret_key = CBitcoinSecret(private_key)
for _, certificate in certificates.items():
with open(certificate.unsigned_certificate_file_name, 'r') as cert_in, \
open(certificate.signed_certificate_file_name, 'wb') as signed_cert:
cert = _sign(cert_in.read(), secret_key)
signed_cert.write(bytes(cert, 'utf-8'))
def sign_certs(certificates):
"""
Sign certificates. Internet should be off for the scope of this function.
:param certificates:
:return:
"""
logging.info('signing certificates')
private_key = helpers.import_key()
secret_key = CBitcoinSecret(private_key)
for _, certificate in certificates.items():
with open(certificate.unsigned_certificate_file_name, 'r') as cert_in, \
open(certificate.signed_certificate_file_name, 'wb') as signed_cert:
cert = _sign(cert_in.read(), secret_key)
signed_cert.write(bytes(cert, 'utf-8'))
def sign_tx(hex_tx, tx_input):
"""
Sign the transaction with private key
:param hex_tx:
:param tx_input:
:return:
"""
logging.info('Signing tx with private key')
transaction = Tx.from_hex(hex_tx)
wif = wif_to_secret_exponent(helpers.import_key(), ALLOWABLE_WIF_PREFIXES)
lookup = build_hash160_lookup([wif])
transaction.set_unspents([TxOut(coin_value=tx_input.coin_value, script=tx_input.script)])
signed_tx = transaction.sign(lookup)
logging.info('Finished signing transaction')
return signed_tx
