add open sea trace classifier

mev_inspect/classifiers/specs/opensea.py

@@ -0,0 +1,15 @@
+from mev_inspect.schemas.traces import (
+    Protocol,
+)
+from mev_inspect.schemas.classifiers import (
+    ClassifierSpec,
+)
+
+
+OPEN_SEA_SPEC = [
+    ClassifierSpec(
+        abi_name="OpenSea",
+        protocol=Protocol.opensea,
+        valid_contract_addresses=["0x7be8076f4ea4a4ad08075c2508e481d6c946d12b"],
+    )
+]

mev_inspect/schemas/traces.py

@@ -44,6 +44,7 @@ class Protocol(Enum):
     balancer_v1 = "balancer_v1"
     compound_v2 = "compound_v2"
     cream = "cream"
+    opensea = "opensea"
 
 
 class ClassifiedTrace(Trace):