def build_computation(self, message: Message,
transaction: BaseTransaction) -> BaseComputation:
"""Apply the message to the VM."""
transaction_context = self.vm_state.get_transaction_context(
transaction)
if message.is_create:
is_collision = self.vm_state.account_db.account_has_code_or_nonce(
message.storage_address)
if is_collision:
# The address of the newly created contract has *somehow* collided
# with an existing contract address.
computation = self.vm_state.get_computation(
message, transaction_context)
computation._error = ContractCreationCollision(
"Address collision while creating contract: {0}".format(
encode_hex(message.storage_address), ))
self.vm_state.logger.trace(
"Address collision while creating contract: %s",
encode_hex(message.storage_address),
)
else:
computation = self.vm_state.get_computation(
message,
transaction_context,
).apply_create_message()
else:
computation = self.vm_state.get_computation(
message, transaction_context).apply_message()
return computation
def build_computation(self, message: MessageAPI,
transaction: SignedTransactionAPI) -> ComputationAPI:
transaction_context = self.vm_state.get_transaction_context(
transaction)
if message.is_create:
is_collision = self.vm_state.has_code_or_nonce(
message.storage_address)
if is_collision:
# The address of the newly created contract has *somehow* collided
# with an existing contract address.
computation = self.vm_state.get_computation(
message, transaction_context)
computation.error = ContractCreationCollision(
f"Address collision while creating contract: "
f"{encode_hex(message.storage_address)}")
self.vm_state.logger.debug2(
"Address collision while creating contract: %s",
encode_hex(message.storage_address),
)
else:
computation = self.vm_state.computation_class.apply_create_message(
self.vm_state,
message,
transaction_context,
)
else:
computation = self.vm_state.computation_class.apply_message(
self.vm_state,
message,
transaction_context,
)
return computation