def sync_from_primary_validators_initial_block(*, primary_validator):
"""
Sync from the primary validators initial block (seed_block_identifier or root_account_file_hash)
Invoked when self (confirmation validator):
- is first being initialized
- has a blockchain that is out of sync with the PV
"""
try:
self_configuration = get_self_configuration(exception_class=RuntimeError)
download_root_account_file(url=primary_validator.root_account_file)
self_configuration.root_account_file = get_root_account_file_url()
self_configuration.root_account_file_hash = get_file_hash(settings.ROOT_ACCOUNT_FILE_PATH)
self_configuration.seed_block_identifier = primary_validator.seed_block_identifier
self_configuration.save()
sync_accounts_table_to_root_account_file()
except Exception as e:
logger.exception(e)
raise RuntimeError(e)
rebuild_cache(head_block_hash=get_initial_block_identifier())
send_confirmation_block_history_request()
def initialize_validator(self):
"""
Process to initialize validator:
- delete existing SelfConfiguration and related Validator objects
- create SelfConfiguration and related Validator objects
- create Account objects based on downloaded root_account_file
- rebuild cache
"""
head_block_hash = self.required_input.pop('head_block_hash')
node_type = self.required_input.pop('node_type')
# Delete existing SelfConfiguration and related Validator objects
SelfConfiguration.objects.all().delete()
Validator.objects.filter(
Q(ip_address=self.required_input['ip_address'])
| Q(node_identifier=self.required_input['node_identifier'])
).delete()
# Create SelfConfiguration and related Validator objects
SelfConfiguration.objects.create(**self.required_input,
node_type=node_type)
sync_accounts_table_to_root_account_file()
# Rebuild cache
rebuild_cache(head_block_hash=head_block_hash)
delete_all_valid_confirmation_blocks()
self.stdout.write(
self.style.SUCCESS('Validator initialization complete'))
def handle(self, *args, **options):
"""
Run script
"""
valid_environments = ['local', 'postgres_local']
if ENVIRONMENT not in valid_environments:
raise RuntimeError(
f'DJANGO_APPLICATION_ENVIRONMENT must be in {valid_environments}'
)
ip = options['ip']
validate_ipv46_address(ip)
self.install_fixture_data()
self_configuration = get_self_configuration(
exception_class=RuntimeError)
SelfConfiguration.objects.filter(pk=self_configuration.id).update(
ip_address=ip)
rebuild_cache(
head_block_hash=self_configuration.root_account_file_hash)
self.stdout.write(
self.style.SUCCESS('Validator initialization complete'))
def sync_from_primary_validators_initial_block(*, primary_validator):
"""
Sync from the primary validators initial block (seed_block_identifier or root_account_file_hash)
Invoked when self (confirmation validator):
- is first being initialized
- has a blockchain that is out of sync with the PV
"""
try:
download_root_account_file(
url=primary_validator.root_account_file,
destination_file_path=settings.LOCAL_ROOT_ACCOUNT_FILE_PATH)
file_hash = get_file_hash(settings.LOCAL_ROOT_ACCOUNT_FILE_PATH)
# TODO: root_account_file should not be a copy of PVs URL but rather a unique path
# TODO: this way, every validator maintains their own copy
self_configuration = get_self_configuration(
exception_class=RuntimeError)
self_configuration.root_account_file = primary_validator.root_account_file
self_configuration.root_account_file_hash = file_hash
self_configuration.seed_block_identifier = primary_validator.seed_block_identifier
self_configuration.save()
sync_accounts_table_to_root_account_file()
except Exception as e:
logger.exception(e)
raise RuntimeError(e)
rebuild_cache(head_block_hash=get_initial_block_identifier())
send_confirmation_block_history_request()
def confirmation_validator_configuration(monkeypatch):
load_validator_fixtures(CONFIRMATION_VALIDATOR_FIXTURES_DIR)
monkeypatch.setenv('NETWORK_SIGNING_KEY', '7a3359729b41f953d52818e787a312c8576e179e2ee50a2e4f28c4596b12dce0')
self_configuration = get_self_configuration(exception_class=RuntimeError)
rebuild_cache(head_block_hash=self_configuration.root_account_file_hash)
yield self_configuration
