def _reverted_trace(self, trace: Sequence) -> None:
self._modified_state = False
# get events from trace
self._events = _decode_trace(trace)
if self._revert_msg is not None:
return
# get revert message
step = next(i for i in trace if i["op"] in ("REVERT", "INVALID"))
if step["op"] == "REVERT" and int(step["stack"][-2], 16):
# get returned error string from stack
data = _get_memory(step, -1)[4:]
self._revert_msg = decode_abi(["string"], data)[0]
return
# check for dev revert string using program counter
self._revert_msg = build._get_dev_revert(step["pc"])
if self._revert_msg is not None:
return
# if none is found, expand the trace and get it from the pcMap
self._expand_trace()
try:
pc_map = _find_contract(step["address"])._build["pcMap"]
# if this is the function selector revert, check for a jump
if "first_revert" in pc_map[step["pc"]]:
i = trace.index(step) - 4
if trace[i]["pc"] != step["pc"] - 4:
step = trace[i]
self._revert_msg = pc_map[step["pc"]]["dev"]
except KeyError:
self._revert_msg = "invalid opcode" if step[
"op"] == "INVALID" else ""
def _reverted_trace(self, trace: Sequence) -> None:
self._modified_state = False
# get events from trace
self._events = _decode_trace(
trace, str(self.receiver or self.contract_address))
if self.contract_address:
step = next((i for i in trace if i["op"] == "CODECOPY"), None)
if step is not None and int(step["stack"][-3], 16) > 24577:
self._revert_msg = "exceeds EIP-170 size limit"
if self._revert_msg is not None:
return
# iterate over revert instructions in reverse to find revert message
for step in (i for i in trace[::-1]
if i["op"] in ("REVERT", "INVALID")):
if step["op"] == "REVERT" and int(step["stack"][-2], 16):
# get returned error string from stack
data = _get_memory(step, -1)[4:]
self._revert_msg = decode_abi(["string"], data)[0]
return
if self.contract_address:
self._revert_msg = "invalid opcode" if step[
"op"] == "INVALID" else ""
return
# check for dev revert string using program counter
self._revert_msg = build._get_dev_revert(step["pc"])
if self._revert_msg is not None:
return
# if none is found, expand the trace and get it from the pcMap
self._expand_trace()
try:
pc_map = state._find_contract(step["address"])._build["pcMap"]
# if this is the function selector revert, check for a jump
if "first_revert" in pc_map[step["pc"]]:
i = trace.index(step) - 4
if trace[i]["pc"] != step["pc"] - 4:
step = trace[i]
self._revert_msg = pc_map[step["pc"]]["dev"]
return
except (KeyError, AttributeError, TypeError):
pass
step = next(i for i in trace[::-1] if i["op"] in ("REVERT", "INVALID"))
self._revert_msg = "invalid opcode" if step["op"] == "INVALID" else ""
def __init__(
self,
txid: Union[str, bytes],
sender: Any = None,
silent: bool = False,
name: str = "",
revert_data: Optional[Tuple] = None,
) -> None:
"""Instantiates a new TransactionReceipt object.
Args:
txid: hexstring transaction ID
sender: sender as a hex string or Account object
silent: toggles console verbosity
name: contract function being called
revert_data: (revert string, program counter, revert type)
"""
if isinstance(txid, bytes):
txid = txid.hex()
if not silent:
print(
f"{color['key']}Transaction sent{color}: {color['value']}{txid}{color}"
)
history._add_tx(self)
self._raw_trace = None
self._trace = None
self._events = None
self._return_value = None
self._revert_msg = None
self._modified_state = None
self._confirmed = threading.Event()
self.sender = sender
self.status = -1
self.txid = txid
self.fn_name = name
if name and "." in name:
self.contract_name, self.fn_name = name.split(".", maxsplit=1)
# avoid querying the trace to get the revert string if possible
revert_msg, self._revert_pc, revert_type = revert_data or (None, None,
None)
if revert_msg:
# revert message was returned
self._revert_msg = revert_msg
elif revert_type in ("revert", "invalid opcode"):
# check for dev revert string as a comment
self._revert_msg = build._get_dev_revert(self._revert_pc)
else:
self._revert_msg = revert_type
# threaded to allow impatient users to ctrl-c to stop waiting in the console
confirm_thread = threading.Thread(target=self._await_confirmation,
args=(silent, ),
daemon=True)
confirm_thread.start()
try:
confirm_thread.join()
if ARGV["cli"] == "console":
return
# if coverage evaluation is active, evaluate the trace
if ARGV["coverage"] and not coverage._check_cached(
self.coverage_hash) and self.trace:
self._expand_trace()
if not self.status:
if self._revert_msg is None:
# no revert message and unable to check dev string - have to get trace
self._expand_trace()
# raise from a new function to reduce pytest traceback length
_raise(
self._revert_msg or "",
self._traceback_string()
if ARGV["revert"] else self._error_string(1),
)
except KeyboardInterrupt:
if ARGV["cli"] != "console":
raise