def test_view_change_on_start(tconf, txnPoolNodeSet, looper, sdk_pool_handle,
sdk_wallet_client):
"""
Do view change on a without any requests
"""
old_view_no = txnPoolNodeSet[0].viewNo
master_primary = get_master_primary_node(txnPoolNodeSet)
other_nodes = [n for n in txnPoolNodeSet if n != master_primary]
delay_3pc = 10
delay_3pc_messages(txnPoolNodeSet, 0, delay_3pc)
sent_batches = 2
sdk_send_random_requests(looper, sdk_pool_handle, sdk_wallet_client,
sent_batches * tconf.Max3PCBatchSize)
def chk1():
t_root, s_root = check_uncommitteds_equal(other_nodes)
assert master_primary.domainLedger.uncommittedRootHash != t_root
assert master_primary.states[DOMAIN_LEDGER_ID].headHash != s_root
looper.run(eventually(chk1, retryWait=1))
timeout = tconf.PerfCheckFreq + \
waits.expectedPoolElectionTimeout(len(txnPoolNodeSet))
waitForViewChange(looper,
txnPoolNodeSet,
old_view_no + 1,
customTimeout=timeout)
ensure_all_nodes_have_same_data(looper, nodes=txnPoolNodeSet)
check_uncommitteds_equal(txnPoolNodeSet)
reset_delays_and_process_delayeds(txnPoolNodeSet)
sdk_send_random_and_check(looper,
txnPoolNodeSet,
sdk_pool_handle,
sdk_wallet_client,
2 * Max3PCBatchSize,
add_delay_to_timeout=delay_3pc)
ensure_all_nodes_have_same_data(looper, nodes=txnPoolNodeSet)
def chk1():
t_root, s_root = check_uncommitteds_equal(other_nodes)
assert master_primary.domainLedger.uncommittedRootHash != t_root
assert master_primary.states[DOMAIN_LEDGER_ID].headHash != s_root