def set_storage(self, address: Address, slot: int, value: int) -> None:
validate_uint256(value, title="Storage Value")
validate_uint256(slot, title="Storage Slot")
validate_canonical_address(address, title="Storage Address")
account_store = self.storages.get(address)
account_store[slot] = value
def add_log_entry(self, account: Address, topics: Tuple[int, ...],
data: bytes) -> None:
validate_canonical_address(account, title="Log entry address")
for topic in topics:
validate_uint256(topic, title="Log entry topic")
validate_is_bytes(data, title="Log entry data")
self._log_entries.append(
(self.transaction_context.get_next_log_counter(), account, topics,
data))
def write(self, start_position: int, size: int, value: bytes) -> None:
if size:
validate_uint256(start_position)
validate_uint256(size)
validate_is_bytes(value)
validate_length(value, length=size)
validate_lte(start_position + size, maximum=len(self))
for idx, v in enumerate(value):
self._bytes[start_position + idx] = v
def __init__(self,
gas: int,
to: Address,
sender: Address,
value: int,
data: BytesOrView,
code: bytes,
depth: int = 0,
create_address: Address = None,
code_address: Address = None,
should_transfer_value: bool = True,
is_static: bool = False) -> None:
validate_uint256(gas, title="Message.gas")
self.gas: int = gas
if to != CREATE_CONTRACT_ADDRESS:
validate_canonical_address(to, title="Message.to")
self.to = to
# validate_canonical_address(sender, title="Message.sender")
self.sender = sender
validate_uint256(value, title="Message.value")
self.value = value
validate_is_bytes_or_view(data, title="Message.data")
self.data = data
validate_is_integer(depth, title="Message.depth")
validate_gte(depth, minimum=0, title="Message.depth")
self.depth = depth
validate_is_bytes(code, title="Message.code")
self.code = code
if create_address is not None:
validate_canonical_address(create_address,
title="Message.storage_address")
self.storage_address = create_address
if code_address is not None:
validate_canonical_address(code_address,
title="Message.code_address")
self.code_address = code_address
validate_is_boolean(should_transfer_value,
title="Message.should_transfer_value")
self.should_transfer_value = should_transfer_value
validate_is_boolean(is_static, title="Message.is_static")
self.is_static = is_static
def extend_memory(self, start_position: int, size: int) -> None:
validate_uint256(start_position, title="Memory start position")
validate_uint256(size, title="Memory size")
before_size = ceil32(len(self._memory))
after_size = ceil32(start_position + size)
before_cost = memory_gas_cost(before_size)
after_cost = memory_gas_cost(after_size)
if self.logger.show_debug2:
self.logger.debug2(
"MEMORY: size (%s -> %s) | cost (%s -> %s)",
before_size,
after_size,
before_cost,
after_cost,
)
self._memory.extend(start_position, size)
def validate(self) -> None:
validate_uint256(self.nonce, title="Transaction.nonce")
validate_is_integer(self.gas_price, title="Transaction.gas_price")
validate_uint256(self.gas, title="Transaction.gas")
if self.to != CREATE_CONTRACT_ADDRESS:
validate_canonical_address(self.to, title="Transaction.to")
validate_uint256(self.value, title="Transaction.value")
validate_is_bytes(self.data, title="Transaction.data")
super().validate()
def validate(self) -> None:
validate_uint256(self.nonce, title="Transaction.nonce")
validate_uint256(self.gas_price, title="Transaction.gas_price")
validate_uint256(self.gas, title="Transaction.gas")
if self.to != CREATE_CONTRACT_ADDRESS:
validate_canonical_address(self.to, title="Transaction.to")
validate_uint256(self.value, title="Transaction.value")
validate_is_bytes(self.data, title="Transaction.data")
validate_uint256(self.v, title="Transaction.v")
validate_uint256(self.r, title="Transaction.r")
validate_uint256(self.s, title="Transaction.s")
validate_lt_secpk1n(self.r, title="Transaction.r")
validate_gte(self.r, minimum=1, title="Transaction.r")
validate_lt_secpk1n(self.s, title="Transaction.s")
validate_gte(self.s, minimum=1, title="Transaction.s")
validate_gte(self.v, minimum=self.v_min, title="Transaction.v")
validate_lte(self.v, maximum=self.v_max, title="Transaction.v")
super().validate()
def set_nonce(self, address: Address, nonce: int) -> None:
validate_canonical_address(address, title="Storage Address")
validate_uint256(nonce, title="Nonce")
account = self._get_account(address)
self._set_account(address, account.copy(nonce=nonce))
def get_storage(self, address: Address, slot: int, from_journal: bool=True) -> int:
validate_canonical_address(address, title="Storage Address")
validate_uint256(slot, title="Storage Slot")
account_store = self.storages.get(address)
return account_store.get(slot)