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 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:
self.poet_public_key = SignupInfo.unseal_signup_data(
sealed_signup_data=sealed_signup_data)
else:
wait_certificate_id = journal.most_recent_committed_block_id
public_key_hash = \
hashlib.sha256(
pybitcointools.encode_pubkey(
journal.local_node.public_key(),
'hex')).hexdigest()
signup_info = \
SignupInfo.create_signup_info(
originator_public_key_hash=public_key_hash,
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()
self.poet_public_key = signup_info.poet_public_key
# 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 advertise self to network
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('Advertise PoET 1 validator with name %s',
journal.local_node.Name)
journal.gossip.broadcast_message(message)