def get_vm_class_for_block_number(cls, block_number: BlockNumber) -> Type['BaseVM']:
"""
Returns the VM class for the given block number.
"""
validate_block_number(block_number)
for start_block, vm_class in reversed(cls.vm_configuration):
if block_number >= start_block:
return vm_class
else:
raise VMNotFound("No vm available for block #{0}".format(block_number))
def get_vm_class_for_block_number(self, block_number):
"""
Return the vm class for the given block number.
"""
validate_block_number(block_number)
for n in reversed(self.vms_by_range.keys()):
if block_number >= n:
return self.vms_by_range[n]
else:
raise VMNotFound("No vm available for block #{0}".format(block_number))
def get_vm_class_for_block_number(cls, block_number: BlockNumber) -> Type['BaseVM']:
"""
Returns the VM class for the given block number.
"""
if cls.vm_configuration is None:
raise AttributeError("Chain classes must define the VMs in vm_configuration")
validate_block_number(block_number)
for start_block, vm_class in reversed(cls.vm_configuration):
if block_number >= start_block:
return vm_class
else:
raise VMNotFound("No vm available for block #{0}".format(block_number))