Create cross_chain_bridge_interface.py

blockchain_integration/pi_network/pinnacle/src/interface/cross_chain_bridge_interface.py

@@ -0,0 +1,23 @@
+from abc import ABC, abstractmethod
+from typing import List
+
+class CrossChainBridgeInterface(ABC):
+    @abstractmethod
+    def bridge_tokens(self, tokens: List[str], amount: float) -> str:
+        """Bridge tokens from one chain to another"""
+        pass
+
+    @abstractmethod
+    def get_bridge_fee(self, tokens: List[str], amount: float) -> float:
+        """Get the bridge fee for a given token and amount"""
+        pass
+
+    @abstractmethod
+    def get_supported_chains(self) -> List[str]:
+        """Get the list of supported chains"""
+        pass
+
+    @abstractmethod
+    def get_supported_tokens(self) -> List[str]:
+        """Get the list of supported tokens"""
+        pass