Implement MainnetTesterChain #92
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This is just going to track my progress. I'm developing this concurrently with this branch in the ethereum-tester library: ethereum/eth-tester#14 |
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evm/vm/flavors/tester/__init__.py
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| parent_header, | ||
| **assoc(header_params, 'gas_limit', parent_header.gas_limit) | ||
| ) | ||
| return create_tester_header_from_parent |
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Wouldn't it make more sense to wrap it with classmethod() here?
evm/vm/flavors/tester/__init__.py
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| Creates and initializes a new block header from the provided | ||
| `parent_header`. | ||
| """ | ||
| return parent_class.create_header_from_parent( |
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I don't understand why we want to ignore the class on which the method was called (vm_class) and instead always use parent_class? Maybe it deserves a comment?
evm/vm/flavors/tester/__init__.py
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| @reversed_return | ||
| def _generate_vm_configuration(homestead=None, dao=None, anti_dos=None): |
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It took me a while to realize what values the arguments here could take. Maybe add a _start_block suffix to them, or a docstring?
evm/vm/flavors/tester/__init__.py
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| """ | ||
| pass | ||
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| def configure_forks(self, homestead=None, dao=None, anti_dos=0): |
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Same here about the args names
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@gsalgado I believe I've addressed all of your comments. Merging when green unless I hear otherwise. |
evm/vm/flavors/tester/__init__.py
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| class MaintainGasLimitMixin(object): | ||
| @classmethod | ||
| def create_tester_header_from_parent(cls, parent_header, **header_params): |
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Shouldn't this be create_header_from_parent?
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fixing test failure here: https://github.com/pipermerriam/py-evm/pull/105 |
minor formatting updates, remove additional docs to separate pr
Blocker for: ethereum/eth-tester#14
What was wrong?
Py-EVM needs a tester chain that can be used with testing. Primary features needed are:
How was it fixed?
Added a new
Chainsubclass underevm.vm.flavors.testerwith these properties.Cute Animal Picture