def test_create_wait_certificate_with_wrong_wait_timer(self):
# Need to create signup information
SignupInfo.create_signup_info(
validator_address='1660 Pennsylvania Avenue NW',
originator_public_key_hash=self._originator_public_key_hash,
most_recent_wait_certificate_id=NULL_BLOCK_IDENTIFIER)
# Create two timers and try to create the wait certificate with the
# first one, which should fail as it is not the current wait timer
invalid_wt = \
WaitTimer.create_wait_timer(
validator_address='1660 Pennsylvania Avenue NW',
certificates=[])
valid_wt = \
WaitTimer.create_wait_timer(
validator_address='1660 Pennsylvania Avenue NW',
certificates=[])
# Verify that we cannot create a wait certificate with the old wait
# timer, but we can with the new one
with self.assertRaises(ValueError):
WaitCertificate.create_wait_certificate(
wait_timer=invalid_wt, block_hash="Reader's Digest")
WaitCertificate.create_wait_certificate(wait_timer=valid_wt,
block_hash="Reader's Digest")
def test_create_wait_certificate_before_wait_timer_expires(self):
# Need to create signup information
SignupInfo.create_signup_info(
validator_address='1660 Pennsylvania Avenue NW',
originator_public_key_hash=self._originator_public_key_hash,
most_recent_wait_certificate_id=NULL_BLOCK_IDENTIFIER)
# Create a wait certificate for the genesis block so that we can
# create another wait certificate that has to play by the rules.
wt = \
WaitTimer.create_wait_timer(
validator_address='1660 Pennsylvania Avenue NW',
certificates=[])
wc = \
WaitCertificate.create_wait_certificate(
wait_timer=wt,
block_hash="Reader's Digest")
wt = \
WaitTimer.create_wait_timer(
validator_address='1660 Pennsylvania Avenue NW',
certificates=[wc])
with self.assertRaises(ValueError):
WaitCertificate.create_wait_certificate(
wait_timer=wt, block_hash="Reader's Digest")
def test_create_wait_certificate_after_wait_timer_timed_out(self):
# Need to create signup information
SignupInfo.create_signup_info(
validator_address='1660 Pennsylvania Avenue NW',
originator_public_key_hash=self._originator_public_key_hash,
most_recent_wait_certificate_id=NULL_BLOCK_IDENTIFIER)
# Create a wait certificate for the genesis block so that we can
# create another wait certificate that has to play by the rules.
wt = \
WaitTimer.create_wait_timer(
validator_address='1660 Pennsylvania Avenue NW',
certificates=[])
wc = \
WaitCertificate.create_wait_certificate(
wait_timer=wt,
block_hash="Reader's Digest")
wt = \
WaitTimer.create_wait_timer(
validator_address='1660 Pennsylvania Avenue NW',
certificates=[wc])
while not wt.has_expired(time.time()):
time.sleep(1)
time.sleep(WaitTimer.poet_enclave.TIMER_TIMEOUT_PERIOD + 1)
with self.assertRaises(ValueError):
WaitCertificate.create_wait_certificate(
wait_timer=wt, block_hash="Reader's Digest")
def initialize_block(self, block_header):
"""Do initialization necessary for the consensus to claim a block,
this may include initiating voting activities, starting proof of work
hash generation, or create a PoET wait timer.
Args:
block_header (BlockHeader): The BlockHeader to initialize.
Returns:
Boolean: True if the candidate block should be built. False if
no candidate should be built.
"""
# HACER: Once we have PoET consensus state, we should be looking in
# there for the sealed signup data. For the time being, signup
# information will be tied to the lifetime of the validator.
# HACER: Once the genesis utility is creating the validator registry
# transaction, we no longer need to do this. But for now, if we are
# creating the genesis block, we need to re-establish the state of
# the enclave using pre-canned sealed signup data so that we can
# create the wait timer and certificate. Note that this is only
# used for the genesis block. Going forward after the genesis block,
# all validators will use generated signup information.
if utils.block_id_is_genesis(block_header.previous_block_id):
LOGGER.debug(
'Creating genesis block, so will use sealed signup data')
SignupInfo.unseal_signup_data(
poet_enclave_module=self._poet_enclave_module,
validator_address=block_header.signer_pubkey,
sealed_signup_data=PoetBlockPublisher._sealed_signup_data)
# HACER: Otherwise, if it is not the first block and we don't already
# have a public key, we need to create signup information and create a
# transaction to add it to the validator registry.
elif PoetBlockPublisher._poet_public_key is None:
self._register_signup_information(block_header=block_header)
# Create a list of certificates for the wait timer. This seems to have
# a little too much knowledge of the WaitTimer implementation, but
# there is no use getting more than
# WaitTimer.certificate_sample_length wait certificates.
certificates = \
utils.build_certificate_list(
block_header=block_header,
block_cache=self._block_cache,
poet_enclave_module=self._poet_enclave_module,
maximum_number=WaitTimer.certificate_sample_length)
# We need to create a wait timer for the block...this is what we
# will check when we are asked if it is time to publish the block
self._wait_timer = \
WaitTimer.create_wait_timer(
poet_enclave_module=self._poet_enclave_module,
validator_address=block_header.signer_pubkey,
certificates=list(certificates))
LOGGER.debug('Created wait timer: %s', self._wait_timer)
return True
def test_has_expired(self):
# Need to create signup information first
SignupInfo.create_signup_info(
poet_enclave_module=self.poet_enclave_module,
validator_address='1660 Pennsylvania Avenue NW',
originator_public_key_hash=self._originator_public_key_hash,
most_recent_wait_certificate_id=NULL_BLOCK_IDENTIFIER)
# Verify that a timer doesn't expire before its creation time
wt = wait_timer.WaitTimer.create_wait_timer(
poet_enclave_module=self.poet_enclave_module,
validator_address='1060 W Addison Street',
certificates=[])
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(
poet_enclave_module=self.poet_enclave_module,
validator_address='1060 W Addison Street',
certificates=[])
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(
poet_enclave_module=self.poet_enclave_module,
validator_address='1060 W Addison Street',
certificates=[])
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(
poet_enclave_module=self.poet_enclave_module,
validator_address='1060 W Addison Street',
certificates=[])
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_create_wait_certificate_before_create_wait_timer(self):
# Need to create signup information
SignupInfo.create_signup_info(
validator_address='1660 Pennsylvania Avenue NW',
originator_public_key_hash=self._originator_public_key_hash,
most_recent_wait_certificate_id=NULL_BLOCK_IDENTIFIER)
# Make sure that trying to create a wait certificate before creating
# a wait timer causes an error
with self.assertRaises(ValueError):
WaitCertificate.create_wait_certificate(
wait_timer=None, block_hash="Reader's Digest")
def test_create_wait_certificate_with_reused_wait_timer(self):
# Need to create signup information
SignupInfo.create_signup_info(
poet_enclave_module=self.poet_enclave_module,
validator_address='1660 Pennsylvania Avenue NW',
originator_public_key_hash=self._originator_public_key_hash,
most_recent_wait_certificate_id=NULL_BLOCK_IDENTIFIER)
# Create a wait certificate for the genesis block so that we can
# create another wait certificate that has to play by the rules.
wt = \
WaitTimer.create_wait_timer(
poet_enclave_module=self.poet_enclave_module,
validator_address='1660 Pennsylvania Avenue NW',
certificates=[])
wc = \
WaitCertificate.create_wait_certificate(
poet_enclave_module=self.poet_enclave_module,
wait_timer=wt,
block_hash="Reader's Digest")
consumed_wt = wt
# Verify that we cannot use the consumed wait timer to create a wait
# certificate either before or after creating a new wait timer
with self.assertRaises(ValueError):
WaitCertificate.create_wait_certificate(
poet_enclave_module=self.poet_enclave_module,
wait_timer=consumed_wt,
block_hash="Reader's Digest")
wt = \
WaitTimer.create_wait_timer(
poet_enclave_module=self.poet_enclave_module,
validator_address='1660 Pennsylvania Avenue NW',
certificates=[wc])
with self.assertRaises(ValueError):
WaitCertificate.create_wait_certificate(
poet_enclave_module=self.poet_enclave_module,
wait_timer=consumed_wt,
block_hash="Reader's Digest")
# Verify that once the new timer expires, we can create a wait
# certificate with it
while not wt.has_expired(time.time()):
time.sleep(1)
WaitCertificate.create_wait_certificate(
poet_enclave_module=self.poet_enclave_module,
wait_timer=wt,
block_hash="Reader's Digest")
def test_verify_unsealing_data(self):
signup_info = \
SignupInfo.create_signup_info(
validator_address='1660 Pennsylvania Avenue NW',
originator_public_key_hash=self._originator_public_key_hash,
most_recent_wait_certificate_id=NULL_BLOCK_IDENTIFIER)
poet_public_key = \
SignupInfo.unseal_signup_data(
validator_address='1660 Pennsylvania Avenue NW',
sealed_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_serialized_signup_info(self):
signup_info = \
SignupInfo.create_signup_info(
validator_address='1660 Pennsylvania Avenue NW',
originator_public_key_hash=self._originator_public_key_hash,
most_recent_wait_certificate_id=NULL_BLOCK_IDENTIFIER)
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_non_matching_originator_public_key(self):
signup_info = \
SignupInfo.create_signup_info(
validator_address='1660 Pennsylvania Avenue NW',
originator_public_key_hash=self._originator_public_key_hash,
most_recent_wait_certificate_id=NULL_BLOCK_IDENTIFIER)
with self.assertRaises(ValueError):
signup_info.check_valid(
originator_public_key_hash=self._another_public_key_hash,
most_recent_wait_certificate_id=NULL_BLOCK_IDENTIFIER)
def test_basic_create_signup_info(self):
signup_info = \
SignupInfo.create_signup_info(
validator_address='1660 Pennsylvania Avenue NW',
originator_public_key_hash=self._originator_public_key_hash,
most_recent_wait_certificate_id=NULL_BLOCK_IDENTIFIER)
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_create_wait_certificate(self):
# Need to create signup information and wait timer first
signup_info = \
SignupInfo.create_signup_info(
validator_address='1660 Pennsylvania Avenue NW',
originator_public_key_hash=self._originator_public_key_hash,
most_recent_wait_certificate_id=NULL_BLOCK_IDENTIFIER)
wt = \
WaitTimer.create_wait_timer(
validator_address='1660 Pennsylvania Avenue NW',
certificates=[])
while not wt.has_expired(time.time()):
time.sleep(1)
# Now we can create a wait certificate and verify that it correlates
# to the wait timer we just created
wc = \
WaitCertificate.create_wait_certificate(
wait_timer=wt,
block_hash="Reader's Digest")
self.assertIsNotNone(wc)
self.assertEqual(wc.previous_certificate_id,
wt.previous_certificate_id)
self.assertAlmostEqual(wc.local_mean, wt.local_mean)
self.assertAlmostEqual(wc.request_time, wt.request_time)
self.assertAlmostEqual(wc.duration, wt.duration)
self.assertEqual(wc.validator_address, wt.validator_address)
self.assertEqual(wc.block_hash, "Reader's Digest")
self.assertIsNotNone(wc.signature)
self.assertIsNotNone(wc.identifier)
# A newly-created wait certificate should be valid
wc.check_valid([], signup_info.poet_public_key)
# Create another wait certificate and verify it is valid also
wt = \
WaitTimer.create_wait_timer(
validator_address='1660 Pennsylvania Avenue NW',
certificates=[wc])
while not wt.has_expired(time.time()):
time.sleep(1)
# Now we can create a wait certificate and verify that it correlates
# to the wait timer we just created
another_wc = \
WaitCertificate.create_wait_certificate(
wait_timer=wt,
block_hash="Pepto Bismol")
another_wc.check_valid([wc], signup_info.poet_public_key)
def test_wait_certificate_serialization(self):
# Need to create signup information and wait timer first
signup_info = \
SignupInfo.create_signup_info(
validator_address='1660 Pennsylvania Avenue NW',
originator_public_key_hash=self._originator_public_key_hash,
most_recent_wait_certificate_id=NULL_BLOCK_IDENTIFIER)
wt = \
WaitTimer.create_wait_timer(
validator_address='1660 Pennsylvania Avenue NW',
certificates=[])
while not wt.has_expired(time.time()):
time.sleep(1)
# Now we can create a wait certificate and serialize
wc = \
WaitCertificate.create_wait_certificate(
wait_timer=wt,
block_hash="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'))
self.assertEqual(wc.previous_certificate_id,
wc_copy.previous_certificate_id)
self.assertAlmostEqual(wc.local_mean, wc_copy.local_mean)
self.assertAlmostEqual(wc.request_time, wc_copy.request_time)
self.assertAlmostEqual(wc.duration, wc_copy.duration)
self.assertEqual(wc.validator_address, wc_copy.validator_address)
self.assertEqual(wc.block_hash, wc_copy.block_hash)
self.assertEqual(wc.signature, wc_copy.signature)
self.assertEqual(wc.identifier, wc_copy.identifier)
# Serialize the copy and verify that its serialization and
# signature are the same
dumped_copy = wc_copy.dump()
self.assertTrue(dumped.get('SerializedCertificate'),
dumped_copy.get('SerializedCertificate'))
self.assertTrue(dumped.get('Signature'), dumped_copy.get('Signature'))
wc_copy.check_valid([], signup_info.poet_public_key)
def test_verify_signup_info(self):
signup_info = \
SignupInfo.create_signup_info(
validator_address='1660 Pennsylvania Avenue NW',
originator_public_key_hash=self._originator_public_key_hash,
most_recent_wait_certificate_id=NULL_BLOCK_IDENTIFIER)
try:
signup_info.check_valid(
originator_public_key_hash=self._originator_public_key_hash,
most_recent_wait_certificate_id=NULL_BLOCK_IDENTIFIER)
except ValueError as e:
self.fail('Error with SignupInfo: {}'.format(e))
def test_create_wait_timer_with_invalid_certificate_list(self):
# Need to create signup information first
SignupInfo.create_signup_info(
poet_enclave_module=self.poet_enclave_module,
validator_address='1060 W Addison Street',
originator_public_key_hash=self._originator_public_key_hash,
most_recent_wait_certificate_id=NULL_BLOCK_IDENTIFIER)
# Make sure that invalid certificate lists cause error
with self.assertRaises(TypeError):
wait_timer.WaitTimer.create_wait_timer(
poet_enclave_module=self.poet_enclave_module,
validator_address='1060 W Addison Street',
certificates=None)
with self.assertRaises(TypeError):
wait_timer.WaitTimer.create_wait_timer(
poet_enclave_module=self.poet_enclave_module,
validator_address='1060 W Addison Street',
certificates=dict())
with self.assertRaises(TypeError):
wait_timer.WaitTimer.create_wait_timer(
poet_enclave_module=self.poet_enclave_module,
validator_address='1060 W Addison Street',
certificates=1)
with self.assertRaises(TypeError):
wait_timer.WaitTimer.create_wait_timer(
poet_enclave_module=self.poet_enclave_module,
validator_address='1060 W Addison Street',
certificates=1.0)
with self.assertRaises(TypeError):
wait_timer.WaitTimer.create_wait_timer(
poet_enclave_module=self.poet_enclave_module,
validator_address='1060 W Addison Street',
certificates='Not a valid list')
def test_non_matching_most_recent_wait_certificate_id(self):
signup_info = \
SignupInfo.create_signup_info(
validator_address='1660 Pennsylvania Avenue NW',
originator_public_key_hash=self._originator_public_key_hash,
most_recent_wait_certificate_id=NULL_BLOCK_IDENTIFIER)
# 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
# ValueError exception and this test will fail, alerting
# you that you need to wrap the call in self.assertRaises
#
# with self.assertRaises(ValueError):
signup_info.check_valid(
originator_public_key_hash=self._originator_public_key_hash,
most_recent_wait_certificate_id='SomeFunkyCertificateID')
def register_signup_information(self, journal):
wait_certificate_id = journal.most_recent_committed_block_id
public_key_hash = \
hashlib.sha256(
signing.encode_pubkey(journal.local_node.public_key(),
'hex')).hexdigest()
signup_info = \
SignupInfo.create_signup_info(
validator_address=journal.local_node.signing_address(),
originator_public_key_hash=public_key_hash,
most_recent_wait_certificate_id=wait_certificate_id)
# Save off the sealed signup data and cache the PoET public key
journal.local_store.set('sealed_signup_data',
signup_info.sealed_signup_data)
journal.local_store.sync()
self.poet_public_key = signup_info.poet_public_key
LOGGER.debug('Register %s (%s)', journal.local_node.Name,
journal.local_node.Identifier)
# 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(
'Advertise PoET 1 validator %s (ID = %s) has PoET public key '
'%s', journal.local_node.Name, journal.local_node.Identifier,
signup_info.poet_public_key)
journal.gossip.broadcast_message(message)
def _on_journal_initialization_complete(self, journal):
"""
Callback journal makes after the journal has completed initialization
Args:
journal (Journal): The journal object that has completed
initialization.
Returns:
True
"""
# 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. If
# we don't have sealed signup data, we need to create and register it.
#
# Note - this MUST be done AFTER the journal has completed
# initialization so that there is at least one peer node to which
# we can send the validator registry transaction to. Otherwise,
# we will never, ever be able to be added to the validator registry
# and, to paraphrase Martha Stewart, that is a bad thing.
sealed_signup_data = journal.local_store.get('sealed_signup_data')
if sealed_signup_data is not None:
self.poet_public_key = \
SignupInfo.unseal_signup_data(
validator_address=journal.local_node.signing_address(),
sealed_signup_data=sealed_signup_data)
LOGGER.info(
'Restore signup info for %s (ID = %s, PoET public key = %s)',
journal.local_node.Name, journal.local_node.Identifier,
self.poet_public_key)
else:
self.register_signup_information(journal)
return True
def test_create_wait_timer(self):
# Need to create signup information first
signup_info = \
SignupInfo.create_signup_info(
validator_address='1060 W Addison Street',
originator_public_key_hash=self._originator_public_key_hash,
most_recent_wait_certificate_id=NULL_BLOCK_IDENTIFIER)
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(
validator_address='1060 W Addison Street', certificates=[])
self.assertIsNotNone(wt)
self.assertEqual(wt.local_mean, wait_timer.WaitTimer.target_wait_time)
self.assertEqual(wt.previous_certificate_id, NULL_BLOCK_IDENTIFIER)
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)
self.assertEqual(wt.validator_address, '1060 W Addison Street')
wt = wait_timer.WaitTimer.create_wait_timer(
validator_address='1060 W Addison Street', certificates=tuple())
self.assertIsNotNone(wt)
self.assertEqual(wt.local_mean, wait_timer.WaitTimer.target_wait_time)
self.assertEqual(wt.previous_certificate_id, NULL_BLOCK_IDENTIFIER)
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)
self.assertEqual(wt.validator_address, '1060 W Addison Street')
# 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(ValueError):
wait_timer.WaitTimer.create_wait_timer(
validator_address='1060 W Addison Street', certificates=[])
with self.assertRaises(ValueError):
wait_timer.WaitTimer.create_wait_timer(
validator_address='1060 W Addison Street',
certificates=tuple())
# Initialize the enclave with sealed signup data
SignupInfo.unseal_signup_data(
validator_address='1660 Pennsylvania Avenue NW',
sealed_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(
validator_address='1060 W Addison Street', certificates=[])
self.assertIsNotNone(wt)
self.assertEqual(wt.local_mean, wait_timer.WaitTimer.target_wait_time)
self.assertEqual(wt.previous_certificate_id, NULL_BLOCK_IDENTIFIER)
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)
self.assertEqual(wt.validator_address, '1060 W Addison Street')
wt = wait_timer.WaitTimer.create_wait_timer(
validator_address='1600 Pennsylvania Avenue NW',
certificates=tuple())
self.assertIsNotNone(wt)
self.assertEqual(wt.local_mean, wait_timer.WaitTimer.target_wait_time)
self.assertEqual(wt.previous_certificate_id, NULL_BLOCK_IDENTIFIER)
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)
self.assertEqual(wt.validator_address, '1600 Pennsylvania Avenue NW')
def _register_signup_information(self, block_header):
# Find the most-recent block in the block cache, if such a block
# exists, and get its wait certificate ID
wait_certificate_id = NULL_BLOCK_IDENTIFIER
most_recent_block = self._block_cache.block_store.chain_head
if most_recent_block is not None:
wait_certificate_id = \
utils.deserialize_wait_certificate(
block=most_recent_block,
poet_enclave_module=self._poet_enclave_module).identifier
# Create signup information for this validator
public_key_hash = \
hashlib.sha256(
block_header.signer_pubkey.encode()).hexdigest()
signup_info = \
SignupInfo.create_signup_info(
poet_enclave_module=self._poet_enclave_module,
validator_address=block_header.signer_pubkey,
originator_public_key_hash=public_key_hash,
most_recent_wait_certificate_id=wait_certificate_id)
# Create the validator registry payload
payload = \
vr_pb.ValidatorRegistryPayload(
verb='register',
name='validator-{}'.format(block_header.signer_pubkey[-8:]),
id=block_header.signer_pubkey,
signup_info=vr_pb.SignUpInfo(
poet_public_key=signup_info.poet_public_key,
proof_data=signup_info.proof_data,
anti_sybil_id=signup_info.anti_sybil_id),
block_num=block_header.block_num)
serialized = payload.SerializeToString()
# Create the address that will be used to look up this validator
# registry transaction. Seems like a potential for refactoring..
validator_entry_address = \
PoetBlockPublisher._validator_registry_namespace + \
hashlib.sha256(block_header.signer_pubkey.encode()).hexdigest()
# Create a transaction header and transaction for the validator
# registry update amd then hand it off to the batch publisher to
# send out.
addresses = \
[validator_entry_address,
PoetBlockPublisher._validator_map_address]
header = \
txn_pb.TransactionHeader(
signer_pubkey=block_header.signer_pubkey,
family_name='sawtooth_validator_registry',
family_version='1.0',
inputs=addresses,
outputs=addresses,
dependencies=[],
payload_encoding="application/protobuf",
payload_sha512=hashlib.sha512(serialized).hexdigest(),
batcher_pubkey=block_header.signer_pubkey,
nonce=time.time().hex().encode()).SerializeToString()
signature = \
signing.sign(header, self._batch_publisher.identity_signing_key)
transaction = \
txn_pb.Transaction(
header=header,
payload=serialized,
header_signature=signature)
self._batch_publisher.send([transaction])
LOGGER.info(
'Register Validator Name=%s, ID=%s...%s, PoET public key=%s...%s',
payload.name, payload.id[:8], payload.id[-8:],
payload.signup_info.poet_public_key[:8],
payload.signup_info.poet_public_key[-8:])
# HACER: Once we have the consensus state implemented, we can
# store this information in there. For now, we will store in the
# class so it persists for the lifetime of the validator.
PoetBlockPublisher._sealed_signup_data = \
signup_info.sealed_signup_data
PoetBlockPublisher._poet_public_key = signup_info.poet_public_key