def test_broadcast_tx_mainnet(self):
"""
Broadcasting tests fail because the transaction has already been pushed. So we're looking for a 'transaction
already in blockchain' error
"""
try:
tx = Tx.from_hex(MAINNET_TX)
broadcast_tx(tx)
self.assertTrue(False)
except Exception as e:
self.assertTrue('already in block chain', str(e.args[0]))
return
self.assertTrue(False)
def test_broadcast_tx_mainnet(self):
"""
Broadcasting tests fail because the transaction has already been pushed. So we're looking for a 'transaction
already in blockchain' error
"""
try:
tx = Tx.from_hex(MAINNET_TX)
broadcast_tx(tx)
self.assertTrue(False)
except Exception as e:
self.assertTrue('already in block chain', str(e.args[0]))
return
self.assertTrue(False)
def issue_on_blockchain(self, revocation_address, issuing_transaction_cost):
"""
Issue the certificates on the Bitcoin blockchain
:param revocation_address:
:param issuing_transaction_cost:
:return:
"""
transactions_data = self.create_transactions(revocation_address, issuing_transaction_cost)
for transaction_data in transactions_data:
# persist the transaction in case broadcasting fails
hex_tx = hexlify(transaction_data.tx.serialize())
with open(transaction_data.unsigned_tx_file_name, 'w') as out_file:
out_file.write(hex_tx)
# sign transaction and persist result
signed_tx = trx_utils.sign_tx(hex_tx, transaction_data.tx_input)
# log the actual byte count
tx_byte_count = trx_utils.get_byte_count(signed_tx)
logging.info('The actual transaction size is %d bytes', tx_byte_count)
signed_hextx = signed_tx.as_hex()
with open(transaction_data.signed_tx_file_name, 'w') as out_file:
out_file.write(signed_hextx)
# verify transaction before broadcasting
trx_utils.verify_transaction(signed_hextx, transaction_data.op_return_value)
# send tx and persist txid
tx_id = broadcast_tx(signed_tx)
if tx_id:
logging.info('Broadcast transaction with txid %s', tx_id)
else:
logging.warning(
'could not broadcast transaction but you can manually do it! signed hextx=%s', signed_hextx)
self.finish_tx(transaction_data.sent_tx_file_name, tx_id)