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1559: Removes unnecessary max (#3640)

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We can prove that the `parent_base_fee_per_gas - base_fee_per_gas_delta > 0`, so flooring to 0 is unnecessary.
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Micah Zoltu 2021-07-28 14:38:27 +08:00 committed by GitHub
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@ -192,7 +192,7 @@ class World(ABC):
else:
gas_used_delta = parent_gas_target - parent_gas_used
base_fee_per_gas_delta = parent_base_fee_per_gas * gas_used_delta // parent_gas_target // BASE_FEE_MAX_CHANGE_DENOMINATOR
expected_base_fee_per_gas = max(parent_base_fee_per_gas - base_fee_per_gas_delta, 0)
expected_base_fee_per_gas = parent_base_fee_per_gas - base_fee_per_gas_delta
assert expected_base_fee_per_gas == block.base_fee_per_gas, 'invalid block: base fee not correct'
# execute transactions and do gas accounting