def init_senders(self, num_accounts):
accounts = []
client = RpcClient(self.nodes[0])
init_balance = int(client.GENESIS_ORIGIN_COIN * 0.9 / num_accounts)
assert_greater_than_or_equal(
client.GENESIS_ORIGIN_COIN,
num_accounts * (init_balance + client.DEFAULT_TX_FEE))
for _ in range(num_accounts):
to, priv_key = client.rand_account()
tx = client.new_tx(receiver=to, value=init_balance)
client.send_tx(tx, True)
accounts.append(Account(to, priv_key, init_balance))
# Ensure accounts have stable start nonce
client.generate_blocks(10)
wait_for_account_stable()
for account in accounts:
account.nonce = wait_for_initial_nonce_for_privkey(
self.nodes[0], account.priv_key)
return accounts
def run_test(self):
start_p2p_connection(self.nodes)
block_gen_thread = BlockGenThread(self.nodes,
self.log,
interval_base=0.2)
block_gen_thread.start()
genesis_key = default_config["GENESIS_PRI_KEY"]
tx_n = 100
gas_price = 1
shard_balance = []
for s in range(self.n_shard):
''' Send random transactions to this shard s '''
shard_nodes = self.nodes[s * self.shard_size:(s + 1) *
self.shard_size]
# We can not use genesis accounts in two shards, because they may generate transactions
# that are valid in another shard and breaks our assertion about the final shard state.
start_sk, _ = ec_random_keys()
value = default_config["TOTAL_COIN"] - 21000
tx = create_transaction(pri_key=genesis_key,
receiver=priv_to_addr(start_sk),
value=value,
nonce=0,
gas_price=gas_price)
shard_nodes[0].p2p.send_protocol_msg(
Transactions(transactions=[tx]))
balance_map = {start_sk: value}
nonce_map = {
start_sk:
wait_for_initial_nonce_for_privkey(shard_nodes[0], start_sk)
}
account_n = 10
# Initialize new accounts
new_keys = set()
for _ in range(account_n):
value = max(int(balance_map[start_sk] * random.random()),
21000 * tx_n)
receiver_sk, _ = ec_random_keys()
new_keys.add(receiver_sk)
tx = create_transaction(pri_key=start_sk,
receiver=priv_to_addr(receiver_sk),
value=value,
nonce=nonce_map[start_sk],
gas_price=gas_price)
shard_nodes[0].p2p.send_protocol_msg(
Transactions(transactions=[tx]))
balance_map[receiver_sk] = value
nonce_map[start_sk] += 1
balance_map[start_sk] -= value + gas_price * 21000
wait_for_account_stable()
for key in new_keys:
nonce_map[key] = wait_for_initial_nonce_for_privkey(
shard_nodes[0], key)
for i in range(tx_n):
sender_key = random.choice(list(balance_map))
nonce = nonce_map[sender_key]
value = 0
receiver_sk = random.choice(list(balance_map))
balance_map[receiver_sk] += value
tx = create_transaction(pri_key=sender_key,
receiver=priv_to_addr(receiver_sk),
value=value,
nonce=nonce,
gas_price=gas_price)
r = random.randint(0, self.shard_size - 1)
shard_nodes[r].p2p.send_protocol_msg(
Transactions(transactions=[tx]))
nonce_map[sender_key] = nonce + 1
balance_map[sender_key] -= value + gas_price * 21000
self.log.info(
"New tx %s: %s send value %d to %s, sender balance:%d, receiver balance:%d",
encode_hex(tx.hash),
eth_utils.encode_hex(priv_to_addr(sender_key))[-4:], value,
eth_utils.encode_hex(priv_to_addr(receiver_sk))[-4:],
balance_map[sender_key], balance_map[receiver_sk])
self.log.debug("Send Transaction %s to node %d",
encode_hex(tx.hash), r)
time.sleep(random.random() / 10)
for k in balance_map:
self.log.info("Check account sk:%s addr:%s", bytes_to_int(k),
eth_utils.encode_hex(priv_to_addr(k)))
wait_until(
lambda: self.check_account(k, balance_map, shard_nodes[0]))
shard_balance.append(balance_map)
def epochCheck(node):
r = node.cfx_epochNumber()
return int(r, 0) > 110
wait_until(lambda: epochCheck(self.nodes[0]))
wait_until(
lambda: epochCheck(self.nodes[int(self.num_nodes / self.n_shard)]))
for s in range(self.n_shard):
for idx in range(self.shard_size):
connect_nodes(self.nodes, s * self.shard_size - 1 + idx,
s * self.shard_size + idx)
block_gen_thread.stop()
block_gen_thread.join()
sync_blocks(self.nodes)
''' Check if the balance state of every node matches '''
success_shard = -1
# use the state of node 0 to find the winning shard
for s in range(self.n_shard):
balance_map = shard_balance[s]
unmatch = False
for k in balance_map:
if not self.check_account(k, balance_map, self.nodes[0]):
unmatch = True
self.log.info(
"Final balance does not match shard %s, check next", s)
break
if unmatch:
continue
success_shard = s
break
assert success_shard != -1, "The final state of node 0 matches no shard state"
self.log.info("Shard %s succeeds", success_shard)
for i in range(1, self.num_nodes):
balance_map = shard_balance[success_shard]
for k in balance_map:
if not self.check_account(k, balance_map, self.nodes[i]):
raise AssertionError(
"Final balance of node {} does not match node 0, sender={}"
.format(i, k))
self.log.info("Pass")
def run_test(self):
genesis_key = default_config["GENESIS_PRI_KEY"]
balance_map = {genesis_key: default_config["TOTAL_COIN"]}
self.log.info("Initial State: (sk:%d, addr:%s, balance:%d)",
bytes_to_int(genesis_key),
eth_utils.encode_hex(priv_to_addr(genesis_key)),
balance_map[genesis_key])
nonce_map = {genesis_key: 0}
# '''Check if transaction from uncommitted new address can be accepted'''
# tx_n = 5
# receiver_sk = genesis_key
gas_price = 1
# for i in range(tx_n):
# sender_key = receiver_sk
# value = int((balance_map[sender_key] - ((tx_n - i) * 21000 * gas_price)) * random.random())
# nonce = nonce_map[sender_key]
# receiver_sk, _ = ec_random_keys()
# nonce_map[receiver_sk] = 0
# balance_map[receiver_sk] = value
# tx = create_transaction(pri_key=sender_key, receiver=privtoaddr(receiver_sk), value=value, nonce=nonce,
# gas_price=gas_price)
# r = random.randint(0, self.num_nodes - 1)
# self.nodes[r].p2p.send_protocol_msg(Transactions(transactions=[tx]))
# nonce_map[sender_key] = nonce + 1
# balance_map[sender_key] -= value + gas_price * 21000
# self.log.debug("New tx %s: %s send value %d to %s, sender balance:%d, receiver balance:%d", encode_hex(tx.hash), eth_utils.encode_hex(privtoaddr(sender_key))[-4:],
# value, eth_utils.encode_hex(privtoaddr(receiver_sk))[-4:], balance_map[sender_key], balance_map[receiver_sk])
# self.log.debug("Send Transaction %s to node %d", encode_hex(tx.hash), r)
# time.sleep(random.random() / 10 * self.delay_factor)
block_gen_thread = BlockGenThread(self.nodes,
self.log,
interval_base=self.delay_factor)
block_gen_thread.start()
# for k in balance_map:
# self.log.info("Check account sk:%s addr:%s", bytes_to_int(k), eth_utils.encode_hex(privtoaddr(k)))
# wait_until(lambda: self.check_account(k, balance_map), timeout=60*self.delay_factor)
# self.log.info("Pass 1")
# self.register_test("general_1.json")
'''Test Random Transactions'''
all_txs = []
tx_n = 1000
account_n = 10
# Initialize new accounts
new_keys = set()
for _ in range(account_n):
value = int(balance_map[genesis_key] * 0.5)
receiver_sk, _ = ec_random_keys()
new_keys.add(receiver_sk)
tx = create_transaction(pri_key=genesis_key,
receiver=priv_to_addr(receiver_sk),
value=value,
nonce=nonce_map[genesis_key],
gas_price=gas_price)
self.nodes[0].p2p.send_protocol_msg(
Transactions(transactions=[tx]))
balance_map[receiver_sk] = value
nonce_map[genesis_key] += 1
balance_map[genesis_key] -= value + gas_price * 21000
wait_for_account_stable()
for key in new_keys:
nonce_map[key] = wait_for_initial_nonce_for_privkey(
self.nodes[0], key)
self.log.info(
"start to generate %d transactions with about %d seconds", tx_n,
tx_n / 10 / 2 * self.delay_factor)
for i in range(tx_n):
sender_key = random.choice(list(balance_map))
nonce = nonce_map[sender_key]
value = 1
receiver_sk = random.choice(list(balance_map))
balance_map[receiver_sk] += value
# not enough transaction fee (gas_price * gas_limit) should not happen for now
assert balance_map[sender_key] >= value + gas_price * 21000
tx = create_transaction(pri_key=sender_key,
receiver=priv_to_addr(receiver_sk),
value=value,
nonce=nonce,
gas_price=gas_price)
r = random.randint(0, self.num_nodes - 1)
self.nodes[r].p2p.send_protocol_msg(
Transactions(transactions=[tx]))
all_txs.append(tx)
nonce_map[sender_key] = nonce + 1
balance_map[sender_key] -= value + gas_price * 21000
self.log.debug(
"New tx %s: %s send value %d to %s, sender balance:%d, receiver balance:%d nonce:%d",
encode_hex(tx.hash),
eth_utils.encode_hex(priv_to_addr(sender_key))[-4:], value,
eth_utils.encode_hex(priv_to_addr(receiver_sk))[-4:],
balance_map[sender_key], balance_map[receiver_sk], nonce)
self.log.debug("Send Transaction %s to node %d",
encode_hex(tx.hash), r)
time.sleep(random.random() / 10 * self.delay_factor)
for k in balance_map:
self.log.info("Account %s with balance:%s", bytes_to_int(k),
balance_map[k])
for tx in all_txs:
self.log.debug("Wait for tx to confirm %s", tx.hash_hex())
for i in range(3):
try:
retry = True
while retry:
try:
wait_until(
lambda: checktx(self.nodes[0], tx.hash_hex()),
timeout=60 * self.delay_factor)
retry = False
except CannotSendRequest:
time.sleep(0.01)
break
except AssertionError as _:
self.nodes[0].p2p.send_protocol_msg(
Transactions(transactions=[tx]))
if i == 2:
raise AssertionError(
"Tx {} not confirmed after 30 seconds".format(
tx.hash_hex()))
for k in balance_map:
self.log.info("Check account sk:%s addr:%s", bytes_to_int(k),
eth_utils.encode_hex(priv_to_addr(k)))
wait_until(lambda: self.check_account(k, balance_map),
timeout=60 * self.delay_factor)
block_gen_thread.stop()
block_gen_thread.join()
sync_blocks(self.nodes, timeout=60 * self.delay_factor)
self.log.info("Pass")
self.register_test("general_2.json")
def run_test(self):
genesis_key = default_config["GENESIS_PRI_KEY"]
balance_map = {genesis_key: default_config["TOTAL_COIN"]}
self.log.info("Initial State: (sk:%d, addr:%s, balance:%d)", bytes_to_int(genesis_key),
eth_utils.encode_hex(priv_to_addr(genesis_key)), balance_map[genesis_key])
nonce_map = {genesis_key: 0}
block_gen_thread = BlockGenThread(self.nodes, self.log, interval_base=0.2)
block_gen_thread.start()
'''Check if transaction from uncommitted new address can be accepted'''
tx_n = 5
new_keys = set()
gas_price = 1
for i in range(tx_n):
sender_key = genesis_key
receiver_sk, _ = ec_random_keys()
new_keys.add(receiver_sk)
value = int((balance_map[sender_key] - ((tx_n - i) * 21000 * gas_price)) * random.random())
balance_map[receiver_sk] = value
nonce = nonce_map[sender_key]
receiver_addr = priv_to_addr(receiver_sk)
tx = create_transaction(pri_key=sender_key, receiver=receiver_addr, value=value, nonce=nonce,
gas_price=gas_price)
r = random.randint(0, self.num_nodes - 1)
r = 0
self.nodes[r].p2p.send_protocol_msg(Transactions(transactions=[tx]))
nonce_map[sender_key] = nonce + 1
balance_map[sender_key] -= value + gas_price * 21000
self.log.debug("New tx %s: %s send value %d to %s, sender balance:%d, receiver balance:%d", encode_hex(tx.hash), eth_utils.encode_hex(priv_to_addr(sender_key))[-4:],
value, eth_utils.encode_hex(priv_to_addr(receiver_sk))[-4:], balance_map[sender_key], balance_map[receiver_sk])
self.log.debug("Send Transaction %s to node %d", encode_hex(tx.hash), r)
for k in balance_map:
self.log.info("Check account sk:%s addr:%s", bytes_to_int(k), eth_utils.encode_hex(priv_to_addr(k)))
wait_until(lambda: self.check_account(k, balance_map))
self.log.info("Pass 1")
'''Test Random Transactions'''
wait_for_account_stable()
for key in new_keys:
nonce_map[key] = wait_for_initial_nonce_for_privkey(self.nodes[0], key)
all_txs = []
tx_n = 1000
self.log.info("start to generate %d transactions with about %d seconds", tx_n, tx_n/100/2)
for i in range(tx_n):
sender_key = random.choice(list(balance_map))
nonce = nonce_map[sender_key]
data = b''
rand_n = random.random()
gas = 21000
storage_limit = 0
if rand_n > 0.9 and balance_map[sender_key] > 21000 * 4 * tx_n:
value = 0
receiver = b''
data = bytes([96, 128, 96, 64, 82, 52, 128, 21, 97, 0, 16, 87, 96, 0, 128, 253, 91, 80, 96, 5, 96, 0, 129, 144, 85, 80, 96, 230, 128, 97, 0, 39, 96, 0, 57, 96, 0, 243, 254, 96, 128, 96, 64, 82, 96, 4, 54, 16, 96, 67, 87, 96, 0, 53, 124, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 144, 4, 128, 99, 96, 254, 71, 177, 20, 96, 72, 87, 128, 99, 109, 76, 230, 60, 20, 96, 127, 87, 91, 96, 0, 128, 253, 91, 52, 128, 21, 96, 83, 87, 96, 0, 128, 253, 91, 80, 96, 125, 96, 4, 128, 54, 3, 96, 32, 129, 16, 21, 96, 104, 87, 96, 0, 128, 253, 91, 129, 1, 144, 128, 128, 53, 144, 96, 32, 1, 144, 146, 145, 144, 80, 80, 80, 96, 167, 86, 91, 0, 91, 52, 128, 21, 96, 138, 87, 96, 0, 128, 253, 91, 80, 96, 145, 96, 177, 86, 91, 96, 64, 81, 128, 130, 129, 82, 96, 32, 1, 145, 80, 80, 96, 64, 81, 128, 145, 3, 144, 243, 91, 128, 96, 0, 129, 144, 85, 80, 80, 86, 91, 96, 0, 128, 84, 144, 80, 144, 86, 254, 161, 101, 98, 122, 122, 114, 48, 88, 32, 181, 24, 13, 149, 253, 195, 129, 48, 40, 237, 71, 246, 44, 124, 223, 112, 139, 118, 192, 219, 9, 64, 67, 245, 51, 180, 42, 67, 13, 49, 62, 21, 0, 41])
gas = CONTRACT_DEFAULT_GAS
is_payment = False
storage_limit = 200000
else:
value = 1
receiver_sk = random.choice(list(balance_map))
receiver = priv_to_addr(receiver_sk)
balance_map[receiver_sk] += value
is_payment = True
# not enough transaction fee (gas_price * gas_limit) should not happen for now
assert balance_map[sender_key] >= value + gas_price * 21000
tx = create_transaction(pri_key=sender_key, receiver=receiver, value=value, nonce=nonce,
gas_price=gas_price, data=data, gas=gas, storage_limit=storage_limit)
r = random.randint(0, self.num_nodes - 1)
r = 0
self.nodes[r].p2p.send_protocol_msg(Transactions(transactions=[tx]))
all_txs.append(tx)
nonce_map[sender_key] = nonce + 1
if is_payment:
balance_map[sender_key] -= value + gas_price * gas
else:
balance_map[sender_key] -= value + gas_price * charged_of_huge_gas(gas)
self.log.debug("Send Transaction %s to node %d", encode_hex(tx.hash), r)
time.sleep(random.random() / 100)
for k in balance_map:
self.log.info("Account %s with balance:%s", bytes_to_int(k), balance_map[k])
for tx in all_txs:
self.log.debug("Wait for tx to confirm %s", tx.hash_hex())
for i in range(3):
try:
retry = True
while retry:
try:
wait_until(lambda: checktx(self.nodes[0], tx.hash_hex()), timeout=120)
retry = False
except CannotSendRequest:
time.sleep(0.01)
break
except AssertionError as _:
self.nodes[0].p2p.send_protocol_msg(Transactions(transactions=[tx]))
if i == 2:
raise AssertionError("Tx {} not confirmed after 30 seconds".format(tx.hash_hex()))
for k in balance_map:
self.log.info("Check account sk:%s addr:%s", bytes_to_int(k), eth_utils.encode_hex(priv_to_addr(k)))
wait_until(lambda: self.check_account(k, balance_map))
block_gen_thread.stop()
block_gen_thread.join()
sync_blocks(self.nodes)
self.log.info("Pass")
def run_test(self):
# Start mininode connection
self.node = self.nodes[0]
start_p2p_connection([self.node])
block_gen_thread = BlockGenThread([self.node],
self.log,
num_txs=10000,
interval_fixed=0.2)
block_gen_thread.start()
tx_n = 100000
generate = False
if generate:
f = open("encoded_tx", "wb")
'''Test Random Transactions'''
genesis_key = default_config["GENESIS_PRI_KEY"]
balance_map = {genesis_key: default_config["TOTAL_COIN"]}
nonce_map = {genesis_key: 0}
all_txs = []
gas_price = 1
account_n = 10
# Initialize new accounts
new_keys = set()
for _ in range(account_n):
value = int(balance_map[genesis_key] * 0.5)
receiver_sk, _ = ec_random_keys()
new_keys.add(receiver_sk)
tx = create_transaction(pri_key=genesis_key,
receiver=priv_to_addr(receiver_sk),
value=value,
nonce=nonce_map[genesis_key],
gas_price=gas_price)
all_txs.append(tx)
balance_map[receiver_sk] = value
nonce_map[genesis_key] += 1
balance_map[genesis_key] -= value + gas_price * 21000
wait_for_account_stable()
for key in new_keys:
nonce_map[key] = wait_for_initial_nonce_for_privkey(
self.nodes[0], key)
self.log.info("start to generate %d transactions", tx_n)
for i in range(tx_n):
if i % 1000 == 0:
self.log.debug("generated %d tx", i)
sender_key = random.choice(list(balance_map))
if sender_key not in nonce_map:
nonce_map[sender_key] = wait_for_initial_nonce_for_privkey(
self.nodes[0], sender_key)
nonce = nonce_map[sender_key]
value = 1
receiver_sk = random.choice(list(balance_map))
balance_map[receiver_sk] += value
# not enough transaction fee (gas_price * gas_limit) should not happen for now
assert balance_map[sender_key] >= value + gas_price * 21000
tx = create_transaction(pri_key=sender_key,
receiver=priv_to_addr(receiver_sk),
value=value,
nonce=nonce,
gas_price=gas_price)
self.log.debug(
"%s send %d to %s nonce=%d balance: sender=%s, receiver=%s",
encode_hex(priv_to_addr(sender_key)), value,
encode_hex(priv_to_addr(receiver_sk)), nonce,
balance_map[sender_key], balance_map[receiver_sk])
all_txs.append(tx)
nonce_map[sender_key] = nonce + 1
balance_map[sender_key] -= value + gas_price * 21000
encoded_txs = []
batch_tx = []
i = 0
for tx in all_txs:
batch_tx.append(tx)
i += 1
if i % 1000 == 0:
encoded = rlp.encode(Transactions(transactions=batch_tx))
encoded_txs.append(encoded)
batch_tx = []
pickle.dump(encoded_txs, f)
pickle.dump(balance_map, f)
else:
f = open("encoded_tx", "rb")
encoded_txs = pickle.load(f)
balance_map = pickle.load(f)
f.close()
start_time = datetime.datetime.now()
for encoded in encoded_txs:
self.node.p2p.send_protocol_packet(
int_to_bytes(TRANSACTIONS) + encoded)
for k in balance_map:
wait_until(lambda: self.check_account(k, balance_map))
end_time = datetime.datetime.now()
time_used = (end_time - start_time).total_seconds()
block_gen_thread.stop()
block_gen_thread.join()
self.log.info("Time used: %f seconds", time_used)
self.log.info("Tx per second: %f", tx_n / time_used)
def run_test(self):
# Start mininode connection
self.node = self.nodes[0]
start_p2p_connection([self.node])
block_gen_thread = BlockGenThread([self.node],
self.log,
num_txs=10000,
interval_fixed=0.02)
block_gen_thread.start()
tx_n = 500000
batch_size = 10
send_tps = 20000
all_txs = []
gas_price = 1
account_n = 1000
generate = False
if generate:
f = open("encoded_tx", "wb")
'''Test Random Transactions'''
self.log.info("Setting up genesis secrets")
balance_map = {}
nonce_map = {}
account_i = 0
for prikey_str in open(
self.conf_parameters["genesis_secrets"][1:-1],
"r").readlines():
prikey = decode_hex(prikey_str[:-1])
balance_map[prikey] = 10000000000000000000000
nonce_map[prikey] = 0
account_i += 1
if account_i == account_n:
break
# genesis_key = default_config["GENESIS_PRI_KEY"]
# balance_map = {genesis_key: default_config["TOTAL_COIN"]}
# nonce_map = {genesis_key: 0}
# # Initialize new accounts
# new_keys = set()
# for _ in range(account_n):
# value = int(balance_map[genesis_key] / (account_n * 2))
# receiver_sk, _ = ec_random_keys()
# new_keys.add(receiver_sk)
# tx = create_transaction(pri_key=genesis_key, receiver=priv_to_addr(receiver_sk), value=value,
# nonce=nonce_map[genesis_key], gas_price=gas_price)
# all_txs.append(tx)
# balance_map[receiver_sk] = value
# nonce_map[genesis_key] += 1
# balance_map[genesis_key] -= value + gas_price * 21000
# wait_for_account_stable()
# for key in new_keys:
# nonce_map[key] = wait_for_initial_nonce_for_privkey(self.nodes[0], key)
self.log.info("start to generate %d transactions", tx_n)
account_list = list(balance_map)
for i in range(tx_n):
if i % 1000 == 0:
self.log.info("generated %d tx", i)
sender_key = random.choice(account_list)
if sender_key not in nonce_map:
nonce_map[sender_key] = wait_for_initial_nonce_for_privkey(
self.nodes[0], sender_key)
nonce = nonce_map[sender_key]
value = 1
receiver_sk = random.choice(account_list)
balance_map[receiver_sk] += value
# not enough transaction fee (gas_price * gas_limit) should not happen for now
assert balance_map[sender_key] >= value + gas_price * 21000
tx = create_transaction(pri_key=sender_key,
receiver=priv_to_addr(receiver_sk),
value=value,
nonce=nonce,
gas_price=gas_price)
# self.log.debug("%s send %d to %s nonce=%d balance: sender=%s, receiver=%s", encode_hex(priv_to_addr(sender_key)), value, encode_hex(priv_to_addr(receiver_sk)), nonce, balance_map[sender_key], balance_map[receiver_sk])
all_txs.append(tx)
nonce_map[sender_key] = nonce + 1
balance_map[sender_key] -= value + gas_price * 21000
encoded_txs = []
batch_tx = []
i = 0
for tx in all_txs:
batch_tx.append(tx)
i += 1
if i % batch_size == 0:
encoded = rlp.encode(Transactions(transactions=batch_tx))
encoded_txs.append(encoded)
batch_tx = []
pickle.dump(encoded_txs, f)
pickle.dump(balance_map, f)
else:
f = open("encoded_tx", "rb")
encoded_txs = pickle.load(f)
balance_map = pickle.load(f)
f.close()
start_time = time.time()
i = 0
for encoded in encoded_txs:
i += 1
if i * batch_size % send_tps == 0:
time_used = time.time() - start_time
time.sleep(i * batch_size / send_tps - time_used)
self.node.p2p.send_protocol_packet(encoded +
int_to_bytes(TRANSACTIONS))
self.log.info(
f"Time used to send {tx_n} transactions in {i} iterations: {time_used}"
)
for k in balance_map:
wait_until(lambda: self.check_account(k, balance_map), timeout=600)
time_used = time.time() - start_time
block_gen_thread.stop()
block_gen_thread.join()
self.log.info("Time used: %f seconds", time_used)
self.log.info("Tx per second: %f", tx_n / time_used)
