def test_format_dict_error():
with pytest.raises(ValueError) as exc_info:
apply_formatters_to_dict(
{'myfield': int},
{'myfield': 'a'},
)
assert 'myfield' in str(exc_info.value)
def serializable_unsigned_transaction_from_dict(web3, transaction_dict):
'''
if web3 is None, fill out transaction as much as possible without calling client
'''
filled_transaction = pipe(
transaction_dict,
dict,
fill_transaction_defaults(web3),
chain_id_to_v,
apply_formatters_to_dict(TRANSACTION_FORMATTERS),
)
if 'v' in filled_transaction:
serializer = Transaction
else:
serializer = UnsignedTransaction
return serializer.from_dict(filled_transaction)
def serializable_unsigned_transaction_from_dict(web3, transaction_dict):
'''
if web3 is None, fill out transaction as much as possible without calling client
'''
filled_transaction = pipe(
transaction_dict,
dict,
fill_transaction_defaults(web3),
chain_id_to_v,
apply_formatters_to_dict(TRANSACTION_FORMATTERS),
)
if 'v' in filled_transaction:
serializer = Transaction
else:
serializer = UnsignedTransaction
return serializer.from_dict(filled_transaction)
def middleware(method, params):
return force_obj_to_text(make_request(method, params))
return middleware
ethtestrpc_middleware = construct_formatting_middleware(
request_formatters={
'eth_uninstallFilter': apply_formatter_at_index(to_integer_if_hex, 0),
'eth_getFilterChanges': apply_formatter_at_index(to_integer_if_hex, 0),
'eth_getFilterLogs': apply_formatter_at_index(to_integer_if_hex, 0),
},
result_formatters={
# Eth
'eth_newFilter': apply_formatter_if(is_integer, hex),
'eth_protocolVersion': apply_formatter_if(is_integer, str),
'eth_getTransactionByHash': apply_formatters_to_dict(TRANSACTION_FORMATTERS),
# Net
'net_version': apply_formatter_if(is_integer, str),
},
)
return_none_result = static_result(None)
ethtestrpc_exception_middleware = construct_exception_handler_middleware(
method_handlers={
'eth_getBlockByHash': (ValueError, static_result(None)),
'eth_getBlockByNumber': (ValueError, static_result(None)),
},
)
'nonce': to_integer_if_hex,
'gas': to_integer_if_hex,
'gasPrice': to_integer_if_hex,
'value': to_integer_if_hex,
'from': to_checksum_address,
'publicKey': to_hexbytes(64),
'r': to_hexbytes(32, variable_length=True),
'raw': HexBytes,
's': to_hexbytes(32, variable_length=True),
'to': apply_formatter_if(is_address, to_checksum_address),
'hash': to_hexbytes(32),
'v': apply_formatter_if(is_not_null, to_integer_if_hex),
'standardV': apply_formatter_if(is_not_null, to_integer_if_hex),
}
transaction_formatter = apply_formatters_to_dict(TRANSACTION_FORMATTERS)
WHISPER_LOG_FORMATTERS = {
'from': to_hexbytes(60),
'hash': to_hexbytes(32),
'payload': HexBytes,
'to': to_hexbytes(60),
'topics': apply_formatter_to_array(HexBytes),
}
whisper_log_formatter = apply_formatters_to_dict(WHISPER_LOG_FORMATTERS)
LOG_ENTRY_FORMATTERS = {
'blockHash': apply_formatter_if(is_not_null, to_hexbytes(32)),
'blockNumber': apply_formatter_if(is_not_null, to_integer_if_hex),
'transactionIndex': apply_formatter_if(is_not_null, to_integer_if_hex),
block_key_remapper = apply_key_map(BLOCK_KEY_MAPPINGS)
TRANSACTION_PARAMS_MAPPING = {
'gasPrice': 'gas_price',
}
transaction_params_remapper = apply_key_map(TRANSACTION_PARAMS_MAPPING)
TRANSACTION_PARAMS_FORMATTERS = {
'gas': to_integer_if_hex,
'gasPrice': to_integer_if_hex,
'value': to_integer_if_hex,
'nonce': to_integer_if_hex,
}
transaction_params_formatter = apply_formatters_to_dict(
TRANSACTION_PARAMS_FORMATTERS)
FILTER_PARAMS_MAPPINGS = {
'fromBlock': 'from_block',
'toBlock': 'to_block',
}
filter_params_remapper = apply_key_map(FILTER_PARAMS_MAPPINGS)
FILTER_PARAMS_FORMATTERS = {
'fromBlock': to_integer_if_hex,
'toBlock': to_integer_if_hex,
}
filter_params_formatter = apply_formatters_to_dict(FILTER_PARAMS_FORMATTERS)
TRANSACTION_PARAMS_MAPPING = {
'gasPrice': 'gas_price',
}
transaction_params_remapper = apply_key_map(TRANSACTION_PARAMS_MAPPING)
TRANSACTION_PARAMS_FORMATTERS = {
'gas': to_integer_if_hex,
'gasPrice': to_integer_if_hex,
'value': to_integer_if_hex,
}
transaction_params_formatter = apply_formatters_to_dict(TRANSACTION_PARAMS_FORMATTERS)
TRANSACTION_FORMATTERS = {
'to': apply_formatter_if(static_return(None), partial(operator.eq, b'')),
}
transaction_formatter = apply_formatters_to_dict(TRANSACTION_FORMATTERS)
ethereum_tester_middleware = construct_formatting_middleware(
request_formatters={
# Eth
'eth_getBlockByNumber': apply_formatters_to_args(
apply_formatter_if(to_integer_if_hex, is_not_named_block),
ethtestrpc_middleware = construct_formatting_middleware(
request_formatters={
'eth_uninstallFilter': apply_formatter_at_index(to_integer_if_hex, 0),
'eth_getFilterChanges': apply_formatter_at_index(to_integer_if_hex, 0),
'eth_getFilterLogs': apply_formatter_at_index(to_integer_if_hex, 0),
},
result_formatters={
# Eth
'eth_newFilter':
apply_formatter_if(is_integer, hex),
'eth_protocolVersion':
apply_formatter_if(is_integer, str),
'eth_getTransactionByHash':
apply_formatters_to_dict(TRANSACTION_FORMATTERS),
# Net
'net_version':
apply_formatter_if(is_integer, str),
},
)
return_none_result = static_result(None)
ethtestrpc_exception_middleware = construct_exception_handler_middleware(
method_handlers={
'eth_getBlockByHash': (ValueError, static_result(None)),
'eth_getBlockByNumber': (ValueError, static_result(None)),
}, )
'gas': to_integer_if_hex,
'gasPrice': to_integer_if_hex,
'value': to_integer_if_hex,
'from': to_checksum_address,
'publicKey': to_hexbytes(64),
'r': to_hexbytes(32, variable_length=True),
'raw': HexBytes,
's': to_hexbytes(32, variable_length=True),
'to': apply_formatter_if(is_address, to_checksum_address),
'hash': to_hexbytes(32),
'v': apply_formatter_if(is_not_null, to_integer_if_hex),
'standardV': apply_formatter_if(is_not_null, to_integer_if_hex),
}
transaction_formatter = apply_formatters_to_dict(TRANSACTION_FORMATTERS)
WHISPER_LOG_FORMATTERS = {
'from': to_hexbytes(60),
'hash': to_hexbytes(32),
'payload': HexBytes,
'to': to_hexbytes(60),
'topics': apply_formatter_to_array(HexBytes),
}
whisper_log_formatter = apply_formatters_to_dict(WHISPER_LOG_FORMATTERS)
LOG_ENTRY_FORMATTERS = {
'gasPrice': 'gas_price',
}
transaction_params_remapper = apply_key_map(TRANSACTION_PARAMS_MAPPING)
TRANSACTION_PARAMS_FORMATTERS = {
'gas': to_integer_if_hex,
'gasPrice': to_integer_if_hex,
'value': to_integer_if_hex,
'nonce': to_integer_if_hex,
}
transaction_params_formatter = apply_formatters_to_dict(TRANSACTION_PARAMS_FORMATTERS)
FILTER_PARAMS_MAPPINGS = {
'fromBlock': 'from_block',
'toBlock': 'to_block',
}
filter_params_remapper = apply_key_map(FILTER_PARAMS_MAPPINGS)
FILTER_PARAMS_FORMATTERS = {
'fromBlock': to_integer_if_hex,
'toBlock': to_integer_if_hex,
}
filter_params_formatter = apply_formatters_to_dict(FILTER_PARAMS_FORMATTERS)
from eth_utils import (
is_string, )
from web3.utils.formatters import (
apply_formatter_at_index,
apply_formatter_if,
apply_formatters_to_dict,
)
from .formatting import (
construct_formatting_middleware, )
FILTER_PARAM_NORMALIZERS = apply_formatters_to_dict(
{'address': apply_formatter_if(is_string, lambda x: [x])})
METHOD_NORMALIZERS = {
'eth_getLogs': apply_formatter_at_index(FILTER_PARAM_NORMALIZERS, 0),
'eth_newFilter': apply_formatter_at_index(FILTER_PARAM_NORMALIZERS, 0)
}
request_parameter_normalizer = construct_formatting_middleware(
request_formatters=METHOD_NORMALIZERS, )
