def test_build_transaction_with_contract_fallback_function(
web3, fallback_function_contract):
txn = fallback_function_contract.fallback.buildTransaction()
assert dissoc(txn, 'gas') == {
'to': fallback_function_contract.address,
'data': '0x',
'value': 0,
'gasPrice': 1,
'chainId': None,
}
def test_build_transaction_not_paying_to_nonpayable_function(
web3, payable_tester_contract, buildTransaction):
txn = buildTransaction(contract=payable_tester_contract,
contract_function='doNoValueCall')
assert dissoc(txn, 'gas') == {
'to': payable_tester_contract.address,
'data': '0xe4cb8f5c',
'value': 0,
'gasPrice': 1,
'chainId': None,
}
def test_build_transaction_with_contract_no_arguments(web3, math_contract,
buildTransaction):
txn = buildTransaction(contract=math_contract,
contract_function='increment')
assert dissoc(txn, 'gas') == {
'to': math_contract.address,
'data': '0xd09de08a',
'value': 0,
'gasPrice': 1,
'chainId': None,
}
def test_build_transaction_with_contract_class_method(web3, MathContract,
math_contract,
buildTransaction):
txn = buildTransaction(
contract=MathContract,
contract_function='increment',
tx_params={'to': math_contract.address},
)
assert dissoc(txn, 'gas') == {
'to': math_contract.address,
'data': '0xd09de08a',
'value': 0,
'gasPrice': 1,
'chainId': None,
}
def test_build_transaction_with_gas_price_strategy_set(web3, math_contract,
buildTransaction):
def my_gas_price_strategy(web3, transaction_params):
return 5
web3.eth.setGasPriceStrategy(my_gas_price_strategy)
txn = buildTransaction(contract=math_contract,
contract_function='increment')
assert dissoc(txn, 'gas') == {
'to': math_contract.address,
'data': '0xd09de08a',
'value': 0,
'gasPrice': 5,
'chainId': None,
}
def test_eth_account_sign_transaction_from_eth_test(acct, transaction_info):
expected_raw_txn = transaction_info['signed']
key = transaction_info['key']
transaction = dissoc(transaction_info, 'signed', 'key', 'unsigned')
# validate r, in order to validate the transaction hash
# There is some ambiguity about whether `r` will always be deterministically
# generated from the transaction hash and private key, mostly due to code
# author's ignorance. The example test fixtures and implementations seem to agree, so far.
# See ecdsa_raw_sign() in /eth_keys/backends/native/ecdsa.py
signed = acct.signTransaction(transaction, key)
assert signed.r == Web3.toInt(hexstr=expected_raw_txn[-130:-66])
# confirm that signed transaction can be recovered to the sender
expected_sender = acct.privateKeyToAccount(key).address
assert acct.recoverTransaction(signed.rawTransaction) == expected_sender
def test_build_transaction_with_contract_with_arguments(
web3, skip_if_testrpc, math_contract, transaction_args, method_args,
method_kwargs, expected, skip_testrpc, buildTransaction):
if skip_testrpc:
skip_if_testrpc(web3)
txn = buildTransaction(contract=math_contract,
contract_function='increment',
func_args=method_args,
func_kwargs=method_kwargs,
tx_params=transaction_args)
expected['to'] = math_contract.address
assert txn is not None
if 'gas' in transaction_args:
assert txn['gas'] == transaction_args['gas']
else:
assert 'gas' in txn
assert dissoc(txn, 'gas') == expected
def middleware(method, params):
result = make_request(method, params)
# As of v1.8, Geth returns errors when you request a
# receipt for a transaction that is not in the chain.
# It used to return a result of None, so we simulate the old behavior.
if method == 'eth_getTransactionReceipt' and 'error' in result:
is_geth = web3.version.node.startswith('Geth')
if is_geth and result['error']['code'] == -32000:
return assoc(
dissoc(result, 'error'),
'result',
None,
)
else:
return result
else:
return result
def transaction_normalizer(transaction):
return dissoc(transaction, 'chainId')
def remove_key_if(key, remove_if, input_dict):
if key in input_dict and remove_if(input_dict):
return dissoc(input_dict, key)
else:
return input_dict