def _produce(chain_file, config, item) -> bool:
try:
production_local_chain = dao.DiskStorage(chain_file)
last_local_chain_hash = production_local_chain.get_last_hash()
print('Last Blockchain state:')
last_remote_state = config.client.last_state(item.origin)
print(last_remote_state)
print('----------')
produced_data = dao.read_production_data(item, last_local_chain_hash,
last_remote_state)
file_name_created = production_local_chain.add_to_chain(produced_data)
print('Sending to Blockchain:')
print(produced_data.produced.to_dict())
print('----------')
tx_receipt = config.client.mint(produced_data.produced, item.origin)
print('Receipt Block Number: ' + str(tx_receipt['blockNumber']))
print('-------------------')
print('New Blockchain state:')
last_remote_state = config.client.last_state(item.origin)
print(last_remote_state)
print('----------')
print('New Local File:')
print(file_name_created)
print('----------\n')
return True
except Exception as e:
print('[ERROR]')
print(e)
return False
def _produce(chain_file, config, item) -> bool:
try:
production_local_chain = dao.DiskStorage(chain_file, PERSISTENCE)
last_local_chain_hash = production_local_chain.get_last_hash()
last_remote_state = config.client.last_state(item.origin)
produced_data = dao.read_production_data(item, last_local_chain_hash,
last_remote_state)
created_file = production_local_chain.add_to_chain(produced_data)
tx_receipt = config.client.mint(produced_data.produced, item.origin)
class_name = item.energy.__class__.__name__
data = produced_data.produced
block_number = str(tx_receipt['blockNumber'])
msg = '[PROD] meter: {} - {} watts - {} kg of Co2 - block: {}'
if data.is_meter_down:
logger.warning(
msg.format(class_name, data.energy, data.co2_saved,
block_number))
else:
logger.info(
msg.format(class_name, data.energy, data.co2_saved,
block_number))
return True
except Exception as e:
error_log.exception("[BOND][PROD] meter: {} - stack: {}".format(
item.energy.__class__.__name__, e))
return False
def _consume(chain_file, config, item):
try:
consumption_local_chain = dao.DiskStorage(chain_file, PERSISTENCE)
last_local_chain_hash = consumption_local_chain.get_last_hash()
last_remote_state = config.client.last_state(item.origin)
consumed_data = dao.read_consumption_data(item, last_local_chain_hash, last_remote_state)
created_file = consumption_local_chain.add_to_chain(consumed_data)
tx_receipt = config.client.mint(consumed_data.consumed, item.origin)
class_name = item.energy.__class__.__name__
data = consumed_data.consumed
block_number = str(tx_receipt['blockNumber'])
message = '[COMS] meter: {} - {} watts - block: {}'
if data.is_meter_down:
logger.warning(message.format(class_name, data.energy, block_number))
else:
logger.info(message.format(class_name, data.energy, block_number))
return True
except Exception as e:
error_log.exception("[BOND][COMS] meter: {} - stack: {}".format(item.energy.__class__.__name__, e))
return False