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fix: KeyError when handling some RPC exceptions #550

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merged 1 commit into from
May 24, 2020
Merged

fix: KeyError when handling some RPC exceptions #550

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5 changes: 4 additions & 1 deletion brownie/exceptions.py
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Original file line number Diff line number Diff line change
Expand Up @@ -79,6 +79,9 @@ def __init__(self, exc: ValueError) -> None:
pass

if isinstance(exc, dict) and "message" in exc:
if "data" not in exc:
raise ValueError(exc["message"]) from None

self.message: str = exc["message"]
try:
txid, data = next((k, v) for k, v in exc["data"].items() if k.startswith("0x"))
Expand All @@ -95,7 +98,7 @@ def __init__(self, exc: ValueError) -> None:
if self.revert_msg is None and self.revert_type in ("revert", "invalid opcode"):
self.revert_msg = brownie.project.build._get_dev_revert(self.pc)
else:
self.message = str(exc)
raise ValueError(str(exc)) from None

def __str__(self) -> str:
if not hasattr(self, "revert_type"):
Expand Down