sys.path.append('lib')
import mocknet
nodes = mocknet.get_nodes()
validators = nodes[0].get_validators()['result']
validator_accounts = set(
map(lambda v: v['account_id'], validators['current_validators']))
# Nodes 0, 1, 2, 3 are initially validators
assert validator_accounts == {'node0', 'node1', 'node2', 'node3'}
epoch_length = mocknet.get_epoch_length_in_blocks(nodes[0])
# Function to do a transfer, but not using the first node
check_transfer = lambda: mocknet.transfer_between_nodes(nodes[1:])
# Function to wait until the next epoch
def wait_until_next_epoch(current_start_height, query_node):
while query_node.get_validators(
)['result']['epoch_start_height'] <= current_start_height:
time.sleep(5)
print('INFO: Starting Outage test.')
# Ensure we start the test closer to the beginning of an epoch than the end.
current_height = nodes[0].get_status()['sync_info']['latest_block_height']
if current_height > validators['epoch_start_height'] + (epoch_length / 2):
print(
# Stop all mocknet nodes, wait 1s, then start all nodes again.
# Nodes should be responsive again after this operation.
import sys, time
from rc import pmap
sys.path.append('lib')
import mocknet
nodes = mocknet.get_nodes()
# stop nodes
pmap(mocknet.stop_node, nodes)
# wait 1s
time.sleep(1)
# start nodes
pmap(mocknet.start_node, nodes)
# give some time to come back up
time.sleep(5)
# test network still functions
mocknet.transfer_between_nodes(nodes)
total_stake = sum(map(lambda v: int(v['stake']), validators))
offline_validators = []
offline_stake = 0
for v in validators:
next_stake = int(v['stake'])
if len(offline_validators) > 0 and (offline_stake +
next_stake) / total_stake >= 0.25:
break
offline_validators.append(v['account_id'])
offline_stake += next_stake
first_online_index = len(offline_validators)
epoch_length = mocknet.get_epoch_length_in_blocks(nodes[0])
# Function to do a transfer, but not using the offline nodes
check_transfer = lambda: mocknet.transfer_between_nodes(nodes[
first_online_index:])
# Function to wait until the next epoch
def wait_until_next_epoch(current_start_height, query_node):
while query_node.get_validators(
)['result']['epoch_start_height'] <= current_start_height:
time.sleep(5)
logger.info('INFO: Starting Outage test.')
# Ensure we start the test closer to the beginning of an epoch than the end.
epoch_start_height = nodes[0].get_validators()['result']['epoch_start_height']
current_height = nodes[0].get_status()['sync_info']['latest_block_height']
if current_height > epoch_start_height + (epoch_length / 2):