ZeroX requires at least 2 child transfers

2021-12-29 09:14:15 -05:00 · 2021-12-29 09:14:15 -05:00 · 52be448fb8
commit 52be448fb8
parent 2982ff700f
1 changed files with 2 additions and 0 deletions
--- a/mev_inspect/classifiers/specs/zero_ex.py
+++ b/mev_inspect/classifiers/specs/zero_ex.py
@ -25,6 +25,8 @@ class ZeroExSwapClassifier(SwapClassifier):
        prior_transfers: List[Transfer],
        child_transfers: List[Transfer],
    ) -> Optional[Swap]:
+        if len(child_transfers) < 2:
+            return None

        token_in_address, token_in_amount = _get_0x_token_in_data(
            trace, child_transfers