Adding large circuit breaker trip to list of ignored errors in fuzz (#…

…1699)

scripts/fork_fuzz_bots.py

@@ -32,6 +32,7 @@
 def _fuzz_ignore_errors(exc: Exception) -> bool:
     """Function defining errors to ignore for pausing chain during fuzzing."""
     # pylint: disable=too-many-return-statements
+    # pylint: disable=too-many-branches
     # Ignored fuzz exceptions
     if isinstance(exc, FuzzAssertionException):
         # LP rate invariance check
@@ -43,6 +44,14 @@ def _fuzz_ignore_errors(exc: Exception) -> bool:
         ):
             return True
 
+        # Large circuit breaker check
+        if (
+            len(exc.args) >= 2
+            and exc.args[0] == "Continuous Fuzz Bots Invariant Checks"
+            and "Large trade has caused the rate circuit breaker to trip." in exc.args[1]
+        ):
+            return True
+
         # There's a known issue with the underlying steth pool on sepolia,
         # due to the deployed mock steth. Hence, we ignore the LP rate invariance check
         # for sepolia when fuzzing.

scripts/local_fuzz_bots.py

@@ -62,6 +62,14 @@ def _fuzz_ignore_errors(exc: Exception) -> bool:
         ):
             return True
 
+        # Large circuit breaker check
+        if (
+            len(exc.args) >= 2
+            and exc.args[0] == "Continuous Fuzz Bots Invariant Checks"
+            and "Large trade has caused the rate circuit breaker to trip." in exc.args[1]
+        ):
+            return True
+
     # Contract call exceptions
     elif isinstance(exc, ContractCallException):
         orig_exception = exc.orig_exception

src/agent0/hyperfuzz/system_fuzz/invariant_checks.py

@@ -258,7 +258,7 @@ def _check_price_spike(interface: HyperdriveReadInterface, pool_state: PoolState
         )
         failed = True
         exception_message = (
-            "Large trade has caused the a rate circuit breaker to trip. "
+            "Large trade has caused the rate circuit breaker to trip. "
             f"{current_spot_rate=}, {previous_weighted_spot_rate=}. "
             "Difference: "
             f"{current_spot_rate- previous_weighted_spot_rate}."