def build_test_transaction() -> TransactionBase:
"""
Utility method to build a random transaction (an instance of a subclass of TransactionBase). Used exclusively for
unit/integration tests.
:return: An instance of a subclass of TransactionBase
"""
from cilantro.messages.transaction.contract import ContractTransactionBuilder
return ContractTransactionBuilder.random_currency_tx()
def publisher():
SLEEP_TIME = 0.05
MAX_TIME = 10
from cilantro.logger import get_logger, overwrite_logger_level
from cilantro.utils.test import MPComposer
from cilantro.messages.transaction.contract import ContractTransactionBuilder
from cilantro.constants.testnet import TESTNET_DELEGATES
import time, os
log = get_logger("Publisher")
sub_info = TESTNET_DELEGATES[1]
sub_info['ip'] = os.getenv('HOST_IP')
d_info = TESTNET_DELEGATES[0]
d_info['ip'] = os.getenv('HOST_IP')
pub = MPComposer(sk=d_info['sk'])
# Publish on this node's own IP
pub.add_pub(os.getenv('HOST_IP'))
log.important(
"Starting experiment, sending messages every {} seconds for a total of {} seconds"
.format(SLEEP_TIME, MAX_TIME))
elapsed_time = 0
while elapsed_time < MAX_TIME:
log.notice("Sending pub")
msg = ContractTransactionBuilder.random_currency_tx()
pub.send_pub_msg(filter='0', message=msg)
time.sleep(SLEEP_TIME)
elapsed_time += SLEEP_TIME
pub.teardown()
log.important("Done with experiment!")