def modifyTransaction(self, transaction_hash, **transaction_params):
assert_valid_transaction_params(transaction_params)
current_transaction = get_required_transaction(self.web3,
transaction_hash)
current_transaction_params = extract_valid_transaction_params(
current_transaction)
new_transaction = merge(current_transaction_params, transaction_params)
return replace_transaction(self.web3, current_transaction,
new_transaction)
def formatter_middleware(make_request, w3):
formatters = merge(
{
'request_formatters': {},
'result_formatters': {},
'error_formatters': {},
},
web3_formatters_builder(w3),
)
return apply_formatters(make_request=make_request, **formatters)
def generate_go_ethereum_fixture(destination_dir):
with contextlib.ExitStack() as stack:
datadir = stack.enter_context(tempdir())
keystore_dir = os.path.join(datadir, 'keystore')
ensure_path_exists(keystore_dir)
keyfile_path = os.path.join(keystore_dir, KEYFILE_FILENAME)
with open(keyfile_path, 'w') as keyfile:
keyfile.write(KEYFILE_DATA)
genesis_file_path = os.path.join(datadir, 'genesis.json')
with open(genesis_file_path, 'w') as genesis_file:
genesis_file.write(json.dumps(GENESIS_DATA))
geth_ipc_path_dir = stack.enter_context(tempdir())
geth_ipc_path = os.path.join(geth_ipc_path_dir, 'geth.ipc')
geth_port = get_open_port()
geth_binary = get_geth_binary()
with get_geth_process(geth_binary=geth_binary,
datadir=datadir,
genesis_file_path=genesis_file_path,
geth_ipc_path=geth_ipc_path,
geth_port=geth_port):
wait_for_socket(geth_ipc_path)
web3 = Web3(Web3.IPCProvider(geth_ipc_path))
chain_data = setup_chain_state(web3)
# close geth by exiting context
# must be closed before copying data dir
verify_chain_state(web3, chain_data)
# verify that chain state is still valid after closing
# and re-opening geth
with get_geth_process(geth_binary=geth_binary,
datadir=datadir,
genesis_file_path=genesis_file_path,
geth_ipc_path=geth_ipc_path,
geth_port=geth_port):
wait_for_socket(geth_ipc_path)
web3 = Web3(Web3.IPCProvider(geth_ipc_path))
verify_chain_state(web3, chain_data)
static_data = {
'raw_txn_account': RAW_TXN_ACCOUNT,
'keyfile_pw': KEYFILE_PW,
}
config = merge(chain_data, static_data)
pprint.pprint(config)
write_config_json(config, datadir)
shutil.copytree(datadir, destination_dir)
def fill_transaction_defaults(web3, transaction):
'''
if web3 is None, fill as much as possible while offline
'''
defaults = {}
for key, default_getter in TRANSACTION_DEFAULTS.items():
if key not in transaction:
if callable(default_getter):
if web3 is not None:
default_val = default_getter(web3, transaction)
else:
raise ValueError("You must specify %s in the transaction" %
key)
else:
default_val = default_getter
defaults[key] = default_val
return merge(defaults, transaction)
def test_signed_transaction(w3, fund_account, transaction, expected,
key_object, from_):
w3.middleware_stack.add(construct_sign_and_send_raw_middleware(key_object))
# Drop any falsy addresses
to_from = valfilter(bool, {'to': w3.eth.accounts[0], 'from': from_})
_transaction = merge(transaction, to_from)
if isinstance(expected, type) and issubclass(expected, Exception):
with pytest.raises(expected):
start_balance = w3.eth.getBalance(
_transaction.get('from', w3.eth.accounts[0]))
w3.eth.sendTransaction(_transaction)
else:
start_balance = w3.eth.getBalance(
_transaction.get('from', w3.eth.accounts[0]))
w3.eth.sendTransaction(_transaction)
assert w3.eth.getBalance(
_transaction.get('from')) <= start_balance + expected
def generate_go_ethereum_fixture(destination_dir):
with contextlib.ExitStack() as stack:
datadir = stack.enter_context(common.tempdir())
keystore_dir = os.path.join(datadir, 'keystore')
common.ensure_path_exists(keystore_dir)
keyfile_path = os.path.join(keystore_dir, common.KEYFILE_FILENAME)
with open(keyfile_path, 'w') as keyfile:
keyfile.write(common.KEYFILE_DATA)
genesis_file_path = os.path.join(datadir, 'genesis.json')
with open(genesis_file_path, 'w') as genesis_file:
genesis_file.write(json.dumps(common.GENESIS_DATA))
geth_ipc_path_dir = stack.enter_context(common.tempdir())
geth_ipc_path = os.path.join(geth_ipc_path_dir, 'geth.ipc')
geth_port = common.get_open_port()
geth_binary = common.get_geth_binary()
geth_proc = stack.enter_context(
common.get_geth_process( # noqa: F841
geth_binary=geth_binary,
datadir=datadir,
genesis_file_path=genesis_file_path,
ipc_path=geth_ipc_path,
port=geth_port,
networkid=str(common.GENESIS_DATA['config']['chainId'])))
common.wait_for_socket(geth_ipc_path)
web3 = Web3(Web3.IPCProvider(geth_ipc_path))
chain_data = setup_chain_state(web3)
static_data = {
'raw_txn_account': common.RAW_TXN_ACCOUNT,
'keyfile_pw': common.KEYFILE_PW,
}
pprint.pprint(merge(chain_data, static_data))
shutil.copytree(datadir, destination_dir)
def generate_parity_fixture(destination_dir):
"""
The parity fixture generation strategy is to start a geth client with
existing fixtures copied into a temp datadir. Then a parity client
is started is peered with the geth client.
"""
with contextlib.ExitStack() as stack:
geth_datadir = stack.enter_context(common.tempdir())
geth_port = common.get_open_port()
geth_ipc_path_dir = stack.enter_context(common.tempdir())
geth_ipc_path = os.path.join(geth_ipc_path_dir, 'geth.ipc')
geth_keystore_dir = os.path.join(geth_datadir, 'keystore')
common.ensure_path_exists(geth_keystore_dir)
geth_keyfile_path = os.path.join(geth_keystore_dir,
common.KEYFILE_FILENAME)
with open(geth_keyfile_path, 'w') as keyfile:
keyfile.write(common.KEYFILE_DATA)
genesis_file_path = os.path.join(geth_datadir, 'genesis.json')
with open(genesis_file_path, 'w') as genesis_file:
genesis_file.write(json.dumps(common.GENESIS_DATA))
stack.enter_context(
common.get_geth_process(common.get_geth_binary(), geth_datadir,
genesis_file_path, geth_ipc_path,
geth_port,
str(CHAIN_CONFIG['params']['networkID'])))
# set up fixtures
common.wait_for_socket(geth_ipc_path)
web3_geth = Web3(Web3.IPCProvider(geth_ipc_path))
chain_data = go_ethereum.setup_chain_state(web3_geth)
fixture_block_count = web3_geth.eth.blockNumber
datadir = stack.enter_context(common.tempdir())
keystore_dir = os.path.join(datadir, 'keys')
os.makedirs(keystore_dir, exist_ok=True)
parity_keyfile_path = os.path.join(keystore_dir,
common.KEYFILE_FILENAME)
with open(parity_keyfile_path, 'w') as keyfile:
keyfile.write(common.KEYFILE_DATA)
chain_config_file_path = os.path.join(datadir, 'chain_config.json')
with open(chain_config_file_path, 'w') as chain_file:
chain_file.write(json.dumps(CHAIN_CONFIG))
parity_ipc_path_dir = stack.enter_context(common.tempdir())
parity_ipc_path = os.path.join(parity_ipc_path_dir, 'jsonrpc.ipc')
parity_port = common.get_open_port()
parity_binary = get_parity_binary()
parity_proc = stack.enter_context(
get_parity_process( # noqa: F841
parity_binary=parity_binary,
datadir=datadir,
ipc_path=parity_ipc_path,
keys_path=keystore_dir,
chain_config_file_path=chain_config_file_path,
parity_port=parity_port,
))
common.wait_for_socket(parity_ipc_path)
web3 = Web3(Web3.IPCProvider(parity_ipc_path))
time.sleep(10)
connect_nodes(web3, web3_geth)
wait_for_chain_sync(web3, fixture_block_count)
static_data = {
'raw_txn_account': common.RAW_TXN_ACCOUNT,
'keyfile_pw': common.KEYFILE_PW,
}
pprint.pprint(merge(chain_data, static_data))
shutil.copytree(datadir, destination_dir)
parity_proc = stack.enter_context(
parity_export_blocks_process( # noqa: F841
parity_binary=parity_binary,
datadir=destination_dir,
chain_config_file_path=os.path.join(destination_dir,
'chain_config.json'),
parity_port=parity_port,
))