def test_prepare_transaction_replacement_nonce_mismatch_raises(web3):
with pytest.raises(ValueError):
prepare_replacement_transaction(web3, {
'blockHash': None,
'hash': '0x0',
'nonce': 1,
}, {
'nonce': 2,
})
def test_prepare_transaction_replacement_not_higher_gas_price_raises(web3):
current_transaction = SIMPLE_CURRENT_TRANSACTION
new_transaction = {
'value': 1,
'gasPrice': 5,
}
with pytest.raises(ValueError):
prepare_replacement_transaction(
web3, current_transaction, new_transaction)
# Also raises when equal to the current transaction
new_transaction['gasPrice'] = 10
with pytest.raises(ValueError):
prepare_replacement_transaction(web3, current_transaction, new_transaction)
def test_prepare_transaction_replacement_gas_price_defaulting(web3):
current_transaction = SIMPLE_CURRENT_TRANSACTION
new_transaction = {
'value': 2,
}
replacement_transaction = prepare_replacement_transaction(
web3, current_transaction, new_transaction)
assert replacement_transaction['gasPrice'] == 11
def test_prepare_transaction_replacement_without_nonce_sets_correct_nonce(web3):
current_transaction = SIMPLE_CURRENT_TRANSACTION
new_transaction = {
'value': 1,
}
replacement_transaction = prepare_replacement_transaction(
web3, current_transaction, new_transaction)
assert replacement_transaction == {
'value': 1,
'nonce': 2,
'gasPrice': 11,
}
def test_prepare_transaction_replacement(w3):
current_transaction = SIMPLE_CURRENT_TRANSACTION
new_transaction = {
'value': 1,
'nonce': 2,
}
replacement_transaction = prepare_replacement_transaction(
w3, current_transaction, new_transaction)
assert replacement_transaction == {
'value': 1,
'nonce': 2,
'gasPrice': 12,
}
def test_prepare_transaction_replacement_gas_price_defaulting_when_strategy_higer(web3):
def higher_gas_price_strategy(web3, txn):
return 20
web3.eth.setGasPriceStrategy(higher_gas_price_strategy)
current_transaction = SIMPLE_CURRENT_TRANSACTION
new_transaction = {
'value': 2,
}
replacement_transaction = prepare_replacement_transaction(
web3, current_transaction, new_transaction)
assert replacement_transaction['gasPrice'] == 20
def test_prepare_transaction_replacement_gas_price_defaulting_when_strategy_lower(
w3):
def lower_gas_price_strategy(w3, txn):
return 5
w3.eth.set_gas_price_strategy(lower_gas_price_strategy)
current_transaction = SIMPLE_CURRENT_TRANSACTION
new_transaction = {
'value': 2,
}
replacement_transaction = prepare_replacement_transaction(
w3, current_transaction, new_transaction)
assert replacement_transaction['gasPrice'] == 12
def test_prepare_transaction_replacement_already_mined_raises(web3):
with pytest.raises(ValueError):
prepare_replacement_transaction(
web3, {'blockHash': '0xa1a1a1', 'hash': '0x0'}, {'value': 2})
