"""
return cls(*args)
def get_block_hash_for_testing(self, block_number):
if block_number >= self.block_number:
return b''
elif block_number < self.block_number - 256:
return b''
else:
return keccak(to_bytes(text=f"{block_number}"))
HomesteadComputationForTesting = HomesteadComputation.configure(
__name__='HomesteadComputationForTesting',
apply_message=apply_message_for_testing,
apply_create_message=apply_create_message_for_testing,
)
HomesteadStateForTesting = HomesteadState.configure(
__name__='HomesteadStateForTesting',
get_ancestor_hash=get_block_hash_for_testing,
computation_class=HomesteadComputationForTesting,
)
HomesteadVMForTesting = HomesteadVM.configure(
__name__='HomesteadVMForTesting',
_state_class=HomesteadStateForTesting,
)
@pytest.fixture(params=['Frontier', 'Homestead', 'EIP150', 'SpuriousDragon'])
def vm_class(request):
apply_computation=fuzz_apply_computation,
)
FrontierStateForFuzzTesting = FrontierState.configure(
__name__='FrontierStateForFuzzTesting',
get_ancestor_hash=get_block_hash_for_testing,
computation_class=FrontierComputationForFuzzTesting,
account_db_class=EmulatorAccountDB,
)
FrontierVMForFuzzTesting = FrontierVM.configure(
__name__='FrontierVMForFuzzTesting',
_state_class=FrontierStateForFuzzTesting,
)
# HOMESTEAD
HomesteadComputationForFuzzTesting = HomesteadComputation.configure(
__name__='HomesteadComputationForFuzzTesting',
apply_computation=fuzz_apply_computation,
)
HomesteadStateForFuzzTesting = HomesteadState.configure(
__name__='HomesteadStateForFuzzTesting',
get_ancestor_hash=get_block_hash_for_testing,
computation_class=HomesteadComputationForFuzzTesting,
account_db_class=EmulatorAccountDB,
)
HomesteadVMForFuzzTesting = MainnetHomesteadVM.configure(
__name__='HomesteadVMForFuzzTesting',
_state_class=HomesteadStateForFuzzTesting,
)
# TANGERINE WHISTLE
TangerineWhistleComputationForFuzzTesting = TangerineWhistleComputation.configure(
__name__='TangerineWhistleComputationForFuzzTesting',