def test_create_wait_certificate_before_create_wait_timer(self):
# Need to create signup information
SignupInfo.create_signup_info(
originator_public_key_hash=self._originator_public_key_hash,
most_recent_wait_certificate_id=NullIdentifier)
with self.assertRaises(WaitCertificateError):
WaitCertificate.create_wait_certificate("Reader's Digest")
def test_create_wait_certificate_before_create_wait_timer(self):
# Need to create signup information
SignupInfo.create_signup_info(
originator_public_key=self._originator_public_key,
validator_network_basename="America's Most Watched Network",
most_recent_wait_certificate_id=NullIdentifier)
with self.assertRaises(WaitCertificateError):
WaitCertificate.create_wait_certificate("Reader's Digest")
def __init__(self,
gossip,
kwargs,
minimum_transactions_per_block=None,
max_transactions_per_block=None,
max_txn_age=None,
genesis_ledger=None,
restore=None,
data_directory=None,
store_type=None):
"""Constructor for the PoetJournal class.
Args:
node (Node): The local node.
"""
super(PoetJournal,
self).__init__(gossip, minimum_transactions_per_block,
max_transactions_per_block, max_txn_age,
genesis_ledger, restore, data_directory,
store_type)
if 'PoetEnclaveImplementation' in kwargs:
enclave_module = kwargs['PoetEnclaveImplementation']
else:
enclave_module = 'journal.consensus.poet1.poet_enclave_simulator' \
'.poet_enclave_simulator'
poet_enclave = importlib.import_module(enclave_module)
poet_enclave.initialize(**kwargs)
WaitCertificate.poet_enclave = poet_enclave
WaitTimer.poet_enclave = poet_enclave
SignupInfo.poet_enclave = poet_enclave
# initialize the poet handlers
poet_transaction_block.register_message_handlers(self)
# initialize stats specifically for the block chain journal
self.JournalStats.add_metric(stats.Value('LocalMeanTime', 0))
self.JournalStats.add_metric(stats.Value('AggregateLocalMean', '0'))
self.JournalStats.add_metric(stats.Value('PopulationEstimate', '0'))
self.JournalStats.add_metric(stats.Value('ExpectedExpirationTime',
'0'))
self.JournalStats.add_metric(stats.Value('Duration', '0'))
# propagate the maximum blocks to keep
self.MaximumBlocksToKeep = max(self.MaximumBlocksToKeep,
WaitTimer.certificate_sample_length)
# Check to see if there is any pre-existing sealed signup data stored
# in the local store
sealed_signup_data = self.LocalStore.get('sealed_signup_data')
# If we haven't signed up, we need to do that first.
SignupInfo.create_signup_info(self.gossip.LocalNode.public_key())
self.dispatcher.on_heartbeat += self._check_certificate
def test_register_validator_re_register(self):
key = signed_object.generate_signing_key()
validator_id = signed_object.generate_identifier(key)
name = 'DasValidator'
signup_info = \
SignupInfo.create_signup_info(
originator_public_key=pybitcointools.privtopub(key),
validator_network_basename='Intel Validator Network',
most_recent_wait_certificate_id='0' * 16)
store = KeyValueStore()
transaction = \
ValidatorRegistryTransaction.register_validator(
name,
validator_id,
signup_info)
transaction.sign_object(key)
try:
transaction.check_valid(store)
transaction.apply(store)
except InvalidTransactionError as e:
self.fail('Failed valid transaction: {}'.format(e))
try: # check if valid to register again
transaction.check_valid(store)
except InvalidTransactionError as e:
self.fail('Failure: Double registered validator: {}'.format(e))
def test_wait_certificate_serialization(self):
# Need to create signup information and wait timer first
signup_info = \
SignupInfo.create_signup_info(
originator_public_key_hash=self._originator_public_key_hash,
most_recent_wait_certificate_id=NullIdentifier)
wt = WaitTimer.create_wait_timer([])
# Now we can create a wait certificate and serialize
wc = WaitCertificate.create_wait_certificate("Reader's Digest")
dumped = wc.dump()
self.assertIsNotNone(dumped.get('SerializedCertificate'))
self.assertIsNotNone(dumped.get('Signature'))
# Deserialize and verify that wait certificates are the same
# and that deserialized one is valid
wc_copy = \
WaitCertificate.wait_certificate_from_serialized(
dumped.get('SerializedCertificate'),
dumped.get('Signature'),
signup_info.poet_public_key)
self.assertEquals(wc.previous_certificate_id,
wc_copy.previous_certificate_id)
self.assertEqual(wc.local_mean, wc_copy.local_mean)
self.assertEqual(wc.request_time, wc_copy.request_time)
self.assertEqual(wc.duration, wc_copy.duration)
self.assertEqual(wc.block_digest, wc_copy.block_digest)
self.assertEqual(wc.signature, wc_copy.signature)
self.assertEqual(wc.identifier, wc_copy.identifier)
self.assertTrue(wc_copy.is_valid([], signup_info.poet_public_key))
def test_create_wait_certificate(self):
# Need to create signup information and wait timer first
signup_info = \
SignupInfo.create_signup_info(
originator_public_key_hash=self._originator_public_key_hash,
most_recent_wait_certificate_id=NullIdentifier)
wt = WaitTimer.create_wait_timer([])
# Now we can create a wait certificate and verify that it correlates
# to the wait timer we just created
wc = WaitCertificate.create_wait_certificate("Reader's Digest")
self.assertIsNotNone(wc)
self.assertEquals(wc.previous_certificate_id,
wt.previous_certificate_id)
self.assertEqual(wc.local_mean, wt.local_mean)
self.assertEqual(wc.request_time, wt.request_time)
self.assertEqual(wc.duration, wt.duration)
self.assertEqual(wc.block_digest, "Reader's Digest")
self.assertIsNotNone(wc.signature)
self.assertIsNotNone(wc.identifier)
# A newly-created wait certificate should be valid
self.assertTrue(wc.is_valid([], signup_info.poet_public_key))
def test_basic_create_signup_info(self):
signup_info = \
SignupInfo.create_signup_info(
self._create_random_public_key())
self.assertIsNotNone(signup_info.poet_public_key)
self.assertIsNotNone(signup_info.anti_sybil_id)
self.assertIsNotNone(signup_info.proof_data)
self.assertIsNotNone(signup_info.sealed_signup_data)
def test_basic_create_signup_info(self):
signup_info = \
SignupInfo.create_signup_info(
originator_public_key=self._originator_public_key,
validator_network_basename='This is CNN.',
most_recent_wait_certificate_id=NullIdentifier)
self.assertIsNotNone(signup_info.poet_public_key)
self.assertIsNotNone(signup_info.proof_data)
self.assertIsNotNone(signup_info.sealed_signup_data)
def test_non_matching_originator_public_key(self):
signup_info = \
SignupInfo.create_signup_info(
originator_public_key_hash=self._originator_public_key_hash,
most_recent_wait_certificate_id=NullIdentifier)
with self.assertRaises(SignupInfoError):
signup_info.check_valid(
originator_public_key_hash=self._another_public_key_hash,
most_recent_wait_certificate_id=NullIdentifier)
def test_basic_create_signup_info(self):
signup_info = \
SignupInfo.create_signup_info(
originator_public_key_hash=self._originator_public_key_hash,
most_recent_wait_certificate_id=NullIdentifier)
self.assertIsNotNone(signup_info.poet_public_key)
self.assertIsNotNone(signup_info.proof_data)
self.assertIsNotNone(signup_info.anti_sybil_id)
self.assertIsNotNone(signup_info.sealed_signup_data)
def test_basic_create_signup_info(self):
signup_info = \
SignupInfo.create_signup_info(
originator_public_key=self._originator_public_key,
validator_network_basename='This is CNN.',
most_recent_wait_certificate_id=NullIdentifier)
self.assertIsNotNone(signup_info.poet_public_key)
self.assertIsNotNone(signup_info.proof_data)
self.assertIsNotNone(signup_info.sealed_signup_data)
def test_verify_unsealing_data(self):
signup_info = \
SignupInfo.create_signup_info(
self._create_random_public_key())
encoded_poet_public_key = \
SignupInfo.unseal_signup_data(signup_info.sealed_signup_data)
self.assertEqual(
signup_info.poet_public_key,
encoded_poet_public_key,
msg="PoET public key in signup info and sealed data don't match")
def test_has_expired(self):
# Need to create signup information first
SignupInfo.create_signup_info(
originator_public_key=self._originator_public_key,
validator_network_basename="America's Most Watched Network",
most_recent_wait_certificate_id=NullIdentifier)
# Verify that a timer doesn't expire before its creation time
wt = wait_timer.WaitTimer.create_wait_timer([])
self.assertFalse(wt.has_expired(wt.request_time - 1))
# Create a timer and when it has expired, verify that the duration is
# not greater than actual elapsed time.
wt = wait_timer.WaitTimer.create_wait_timer([])
while not wt.has_expired(time.time()):
time.sleep(1)
self.assertLessEqual(wt.duration, time.time() - wt.request_time)
# Tampering with the duration should not affect wait timer expiration
wt = wait_timer.WaitTimer.create_wait_timer([])
assigned_duration = wt.duration
wt.duration = 0
while not wt.has_expired(time.time()):
time.sleep(1)
self.assertLessEqual(assigned_duration, time.time() - wt.request_time)
# Tampering with the request time should not affect wait timer
# expiration
wt = wait_timer.WaitTimer.create_wait_timer([])
assigned_request_time = wt.request_time
wt.request_time -= wt.duration
while not wt.has_expired(time.time()):
time.sleep(1)
self.assertLessEqual(wt.duration, time.time() - assigned_request_time)
def test_non_matching_validator_network_basename(self):
signup_info = \
SignupInfo.create_signup_info(
originator_public_key=self._originator_public_key,
validator_network_basename='This is CNN.',
most_recent_wait_certificate_id=NullIdentifier)
with self.assertRaises(SignupInfoError):
signup_info.check_valid(
originator_public_key=self._originator_public_key,
validator_network_basename="This is Fox News.",
most_recent_wait_certificate_id=NullIdentifier)
def test_non_matching_validator_network_basename(self):
signup_info = \
SignupInfo.create_signup_info(
originator_public_key=self._originator_public_key,
validator_network_basename='This is CNN.',
most_recent_wait_certificate_id=NullIdentifier)
with self.assertRaises(SignupInfoError):
signup_info.check_valid(
originator_public_key=self._originator_public_key,
validator_network_basename="This is Fox News.",
most_recent_wait_certificate_id=NullIdentifier)
def test_verify_unsealing_data(self):
signup_info = \
SignupInfo.create_signup_info(
originator_public_key_hash=self._originator_public_key_hash,
most_recent_wait_certificate_id=NullIdentifier)
poet_public_key = \
SignupInfo.unseal_signup_data(signup_info.sealed_signup_data)
self.assertEqual(
signup_info.poet_public_key,
poet_public_key,
msg="PoET public key in signup info and sealed data don't match")
def test_verify_signup_info(self):
signup_info = \
SignupInfo.create_signup_info(
originator_public_key_hash=self._originator_public_key_hash,
most_recent_wait_certificate_id=NullIdentifier)
try:
signup_info.check_valid(
originator_public_key_hash=self._originator_public_key_hash,
most_recent_wait_certificate_id=NullIdentifier)
except SignupInfoError as e:
self.fail('Error with SignupInfo: {}'.format(e))
def test_verify_serialized_signup_info(self):
signup_info = \
SignupInfo.create_signup_info(
originator_public_key=self._originator_public_key,
validator_network_basename='This is CNN.',
most_recent_wait_certificate_id=NullIdentifier)
serialized = signup_info.serialize()
copy_signup_info = SignupInfo.signup_info_from_serialized(serialized)
self.assertEqual(signup_info.poet_public_key,
copy_signup_info.poet_public_key)
self.assertEqual(signup_info.proof_data, copy_signup_info.proof_data)
self.assertIsNone(copy_signup_info.sealed_signup_data)
def test_verify_unsealing_data(self):
signup_info = \
SignupInfo.create_signup_info(
originator_public_key=self._originator_public_key,
validator_network_basename='This is CNN.',
most_recent_wait_certificate_id=NullIdentifier)
encoded_poet_public_key = \
SignupInfo.unseal_signup_data(signup_info.sealed_signup_data)
self.assertEqual(
signup_info.poet_public_key,
encoded_poet_public_key,
msg="PoET public key in signup info and sealed data don't match")
def test_verify_serialized_signup_info(self):
signup_info = \
SignupInfo.create_signup_info(
self._create_random_public_key())
serialized = signup_info.serialize()
copy_signup_info = SignupInfo.signup_info_from_serialized(serialized)
self.assertEqual(signup_info.poet_public_key,
copy_signup_info.poet_public_key)
self.assertEqual(signup_info.anti_sybil_id,
copy_signup_info.anti_sybil_id)
self.assertEqual(signup_info.proof_data, copy_signup_info.proof_data)
self.assertIsNone(copy_signup_info.sealed_signup_data)
def test_verify_unsealing_data(self):
signup_info = \
SignupInfo.create_signup_info(
originator_public_key=self._originator_public_key,
validator_network_basename='This is CNN.',
most_recent_wait_certificate_id=NullIdentifier)
encoded_poet_public_key = \
SignupInfo.unseal_signup_data(signup_info.sealed_signup_data)
self.assertEqual(
signup_info.poet_public_key,
encoded_poet_public_key,
msg="PoET public key in signup info and sealed data don't match")
def test_verify_signup_info(self):
signup_info = \
SignupInfo.create_signup_info(
originator_public_key=self._originator_public_key,
validator_network_basename='This is CNN.',
most_recent_wait_certificate_id=NullIdentifier)
try:
signup_info.check_valid(
originator_public_key=self._originator_public_key,
validator_network_basename="This is CNN.",
most_recent_wait_certificate_id=NullIdentifier)
except SignupInfoError as e:
self.fail('Error with SignupInfo: {}'.format(e))
def test_verify_signup_info(self):
signup_info = \
SignupInfo.create_signup_info(
originator_public_key=self._originator_public_key,
validator_network_basename='This is CNN.',
most_recent_wait_certificate_id=NullIdentifier)
try:
signup_info.check_valid(
originator_public_key=self._originator_public_key,
validator_network_basename="This is CNN.",
most_recent_wait_certificate_id=NullIdentifier)
except SignupInfoError as e:
self.fail('Error with SignupInfo: {}'.format(e))
def test_verify_serialized_signup_info(self):
signup_info = \
SignupInfo.create_signup_info(
originator_public_key_hash=self._originator_public_key_hash,
most_recent_wait_certificate_id=NullIdentifier)
serialized = signup_info.serialize()
copy_signup_info = SignupInfo.signup_info_from_serialized(serialized)
self.assertEqual(signup_info.poet_public_key,
copy_signup_info.poet_public_key)
self.assertEqual(signup_info.proof_data, copy_signup_info.proof_data)
self.assertEqual(signup_info.anti_sybil_id,
copy_signup_info.anti_sybil_id)
self.assertIsNone(copy_signup_info.sealed_signup_data)
def test_verify_serialized_signup_info(self):
signup_info = \
SignupInfo.create_signup_info(
originator_public_key=self._originator_public_key,
validator_network_basename='This is CNN.',
most_recent_wait_certificate_id=NullIdentifier)
serialized = signup_info.serialize()
copy_signup_info = SignupInfo.signup_info_from_serialized(serialized)
self.assertEqual(
signup_info.poet_public_key,
copy_signup_info.poet_public_key)
self.assertEqual(signup_info.proof_data, copy_signup_info.proof_data)
self.assertIsNone(copy_signup_info.sealed_signup_data)
def test_non_matching_most_recent_wait_certificate_id(self):
signup_info = \
SignupInfo.create_signup_info(
originator_public_key_hash=self._originator_public_key_hash,
most_recent_wait_certificate_id=NullIdentifier)
# NOTE - this requires that the signup information check for validity
# actually make this check. Currently the check is not done.
# Once the check is added back, it should raise a
# SignupInfoError exception and this test will fail, alerting
# you that you need to wrap the call in self.assertRaises
#
# with self.assertRaises(SignupInfoError):
signup_info.check_valid(
originator_public_key_hash=self._originator_public_key_hash,
most_recent_wait_certificate_id='SomeFunkyCertificateID')
def test_non_matching_most_recent_wait_certificate_id(self):
signup_info = \
SignupInfo.create_signup_info(
originator_public_key=self._originator_public_key,
validator_network_basename='This is CNN.',
most_recent_wait_certificate_id=NullIdentifier)
# NOTE - this requires that the signup information check for validity
# actually make this check. Currently the check is not done.
# Once the check is added back, it should raise a
# SignupInfoError exception and this test will fail, alerting
# you that you need to wrap the call in self.assertRaises
#
# with self.assertRaises(SignupInfoError):
signup_info.check_valid(
originator_public_key=self._originator_public_key,
validator_network_basename="This is CNN.",
most_recent_wait_certificate_id='SomeFunkyCertificateID')
def test_register_validator_key_mismatch(self):
key = signed_object.generate_signing_key()
key2 = signed_object.generate_signing_key()
validator_id = signed_object.generate_identifier(key)
name = 'DasValidator'
signup_info = \
SignupInfo.create_signup_info(
originator_public_key=pybitcointools.privtopub(key),
validator_network_basename='Intel Validator Network',
most_recent_wait_certificate_id='0' * 16)
store = KeyValueStore()
transaction = \
ValidatorRegistryTransaction.register_validator(
name,
validator_id,
signup_info)
transaction.sign_object(key2)
with self.assertRaises(InvalidTransactionError):
transaction.check_valid(store)
self.fail("Failure: Verified an invalid transaction")
def initialization_complete(self, journal):
"""Processes all invocations that arrived while the ledger was
being initialized.
"""
# Before we allow the base journal to do anything that might result
# in a wait timer or wait certificate from being created, we have to
# ensure that the PoET enclave has been initialized. This can be done
# in one of two ways:
# 1. If we have sealed signup data (meaning that we have previously
# created signup info), we can request that the enclave unseal it,
# in the process restoring the enclave to its previous state.
# 2. Create new signup information.
signup_info = None
sealed_signup_data = journal.local_store.get('sealed_signup_data')
if sealed_signup_data is not None:
SignupInfo.unseal_signup_data(
sealed_signup_data=sealed_signup_data)
else:
wait_certificate_id = journal.most_recent_committed_block_id
signup_info = \
SignupInfo.create_signup_info(
originator_public_key=journal.local_node.public_key(),
validator_network_basename='Intel Validator Network',
most_recent_wait_certificate_id=wait_certificate_id)
# Save off the sealed signup data
self.local_store.set('sealed_signup_data',
signup_info.sealed_signup_data)
self.local_store.sync()
# initialize the poet handlers
poet_transaction_block.register_message_handlers(journal)
# initialize stats specifically for the block chain journal
journal.JournalStats.add_metric(stats.Value('LocalMeanTime', 0))
journal.JournalStats.add_metric(
stats.Value('AggregateLocalMean', '0'))
journal.JournalStats.add_metric(
stats.Value('PopulationEstimate', '0'))
journal.JournalStats.add_metric(
stats.Value('ExpectedExpirationTime', '0'))
journal.JournalStats.add_metric(stats.Value('Duration', '0'))
# If we created signup information, then insert ourselves into the
# validator registry.
if signup_info is not None:
# Create a validator register transaction and sign it. Wrap
# the transaction in a message. Broadcast it to out.
transaction = \
val_reg.ValidatorRegistryTransaction.register_validator(
self.local_node.Name,
self.local_node.Identifier,
signup_info)
transaction.sign_from_node(self.local_node)
message = \
val_reg.ValidatorRegistryTransactionMessage()
message.Transaction = transaction
LOGGER.info('Register PoET 1 validator with name %s',
journal.local_node.Name)
journal.gossip.broadcast_message(message)
def test_create_wait_timer(self):
# Need to create signup information first
signup_info = \
SignupInfo.create_signup_info(
originator_public_key=self._originator_public_key,
validator_network_basename="America's Most Watched Network",
most_recent_wait_certificate_id=NullIdentifier)
stake_in_the_sand = time.time()
# An empty certificate list should result in a local mean that is
# the target wait time
wt = wait_timer.WaitTimer.create_wait_timer([])
self.assertIsNotNone(wt)
self.assertEqual(wt.local_mean, wait_timer.WaitTimer.target_wait_time)
self.assertEquals(wt.previous_certificate_id, NullIdentifier)
self.assertGreaterEqual(wt.request_time, stake_in_the_sand)
self.assertLessEqual(wt.request_time, time.time())
self.assertGreaterEqual(
wt.duration,
wait_timer.WaitTimer.minimum_wait_time)
wt = wait_timer.WaitTimer.create_wait_timer(tuple())
self.assertIsNotNone(wt)
self.assertEqual(wt.local_mean, wait_timer.WaitTimer.target_wait_time)
self.assertEquals(wt.previous_certificate_id, NullIdentifier)
self.assertGreaterEqual(wt.request_time, stake_in_the_sand)
self.assertLessEqual(wt.request_time, time.time())
self.assertGreaterEqual(
wt.duration,
wait_timer.WaitTimer.minimum_wait_time)
# Ensure that the enclave is set back to initial state
SignupInfo.poet_enclave = reload(poet_enclave)
wait_timer.WaitTimer.poet_enclave = SignupInfo.poet_enclave
# Make sure that trying to create a wait timer before signup
# information is provided causes an error
with self.assertRaises(wait_timer.WaitTimerError):
wait_timer.WaitTimer.create_wait_timer([])
with self.assertRaises(wait_timer.WaitTimerError):
wait_timer.WaitTimer.create_wait_timer(tuple())
# Initialize the enclave with sealed signup data
SignupInfo.unseal_signup_data(signup_info.sealed_signup_data)
stake_in_the_sand = time.time()
# An empty certificate list should result in a local mean that is
# the target wait time
wt = wait_timer.WaitTimer.create_wait_timer([])
self.assertIsNotNone(wt)
self.assertEqual(wt.local_mean, wait_timer.WaitTimer.target_wait_time)
self.assertEquals(wt.previous_certificate_id, NullIdentifier)
self.assertGreaterEqual(wt.request_time, stake_in_the_sand)
self.assertLessEqual(wt.request_time, time.time())
self.assertGreaterEqual(
wt.duration,
wait_timer.WaitTimer.minimum_wait_time)
wt = wait_timer.WaitTimer.create_wait_timer(tuple())
self.assertIsNotNone(wt)
self.assertEqual(wt.local_mean, wait_timer.WaitTimer.target_wait_time)
self.assertEquals(wt.previous_certificate_id, NullIdentifier)
self.assertGreaterEqual(wt.request_time, stake_in_the_sand)
self.assertLessEqual(wt.request_time, time.time())
self.assertGreaterEqual(
wt.duration,
wait_timer.WaitTimer.minimum_wait_time)
def initialization_complete(self, journal):
"""Processes all invocations that arrived while the ledger was
being initialized.
"""
# Before we allow the base journal to do anything that might result
# in a wait timer or wait certificate being created, we have to ensure
# the PoET enclave has been initialized. This can be done in one of
# two ways:
# 1. If we have sealed signup data (meaning that we have previously
# created signup info), we can request that the enclave unseal it,
# in the process restoring the enclave to its previous state.
# 2. Create new signup information.
signup_info = None
sealed_signup_data = journal.local_store.get('sealed_signup_data')
if sealed_signup_data is not None:
SignupInfo.unseal_signup_data(
sealed_signup_data=sealed_signup_data)
else:
wait_certificate_id = journal.most_recent_committed_block_id
signup_info = \
SignupInfo.create_signup_info(
originator_public_key=journal.local_node.public_key(),
validator_network_basename='Intel Validator Network',
most_recent_wait_certificate_id=wait_certificate_id)
# Save off the sealed signup data
journal.local_store.set(
'sealed_signup_data',
signup_info.sealed_signup_data)
journal.local_store.sync()
# propagate the maximum blocks to keep
journal.maximum_blocks_to_keep = max(
journal.maximum_blocks_to_keep,
WaitTimer.certificate_sample_length)
# initialize stats specifically for the block chain journal
journal.JournalStats.add_metric(stats.Value('LocalMeanTime', 0))
journal.JournalStats.add_metric(stats.Value('AggregateLocalMean', '0'))
journal.JournalStats.add_metric(stats.Value('PopulationEstimate', '0'))
journal.JournalStats.add_metric(stats.Value('ExpectedExpirationTime',
'0'))
journal.JournalStats.add_metric(stats.Value('Duration', '0'))
# initialize the block handlers
poet_transaction_block.register_message_handlers(journal)
# If we created signup information, then insert ourselves into the
# validator registry.
if signup_info is not None:
# Create a validator register transaction and sign it. Wrap
# the transaction in a message. Broadcast it to out.
transaction = \
val_reg.ValidatorRegistryTransaction.register_validator(
journal.local_node.Name,
journal.local_node.Identifier,
signup_info)
transaction.sign_from_node(journal.local_node)
message = \
val_reg.ValidatorRegistryTransactionMessage()
message.Transaction = transaction
LOGGER.info(
'Register PoET 1 validator with name %s',
journal.local_node.Name)
journal.gossip.broadcast_message(message)