def test_can_behave_as_fixed_gas_price(self, tmpdir):
# given
file = self.config_file("""{"gasPrice": 7000000000}""", tmpdir)
file_gas_price = GasPriceFile(file)
# expect
assert file_gas_price.get_gas_price(0) == 7000000000
assert file_gas_price.get_gas_price(1) == 7000000000
assert file_gas_price.get_gas_price(1000000) == 7000000000
def test_can_behave_as_default_gas_price(self, tmpdir):
# given
file = self.config_file("""{}""", tmpdir)
file_gas_price = GasPriceFile(file)
# expect
assert file_gas_price.get_gas_price(0) is None
assert file_gas_price.get_gas_price(1) is None
assert file_gas_price.get_gas_price(1000000) is None
def test_can_behave_as_increasing_gas_price_without_max(self, tmpdir):
# given
file = self.config_file("""{
"gasPrice": 7000000000,
"gasPriceIncrease": 1000000000,
"gasPriceIncreaseEvery": 60}""", tmpdir)
file_gas_price = GasPriceFile(file)
# expect
assert file_gas_price.get_gas_price(0) == 7000000000
assert file_gas_price.get_gas_price(1) == 7000000000
assert file_gas_price.get_gas_price(59) == 7000000000
assert file_gas_price.get_gas_price(60) == 8000000000
assert file_gas_price.get_gas_price(119) == 8000000000
assert file_gas_price.get_gas_price(120) == 9000000000
assert file_gas_price.get_gas_price(1200) == 27000000000