feat: 添加 EdgeX 交易所适配器及相关客户端实现，支持订单、深度和K线数据处理

docs/edgex/edgex-python-sdk-main/edgex_sdk/internal/signing_adapter.py

@@ -0,0 +1,77 @@
+"""
+Signing adapter interface for the EdgeX Python SDK.
+
+This module defines the interface for signing adapters that can be used with the SDK.
+Different implementations can be provided for different environments (development, testing, production).
+"""
+
+from abc import ABC, abstractmethod
+from typing import Tuple, List
+
+
+class SigningAdapter(ABC):
+    """Interface for signing adapters."""
+
+    @abstractmethod
+    def sign(self, message_hash: bytes, private_key: str) -> Tuple[str, str]:
+        """
+        Sign a message hash using a private key.
+
+        Args:
+            message_hash: The hash of the message to sign
+            private_key: The private key as a hex string
+
+        Returns:
+            Tuple[str, str]: The signature as (r, s) hex strings
+
+        Raises:
+            ValueError: If the private key is invalid or the signing fails
+        """
+        pass
+
+    @abstractmethod
+    def get_public_key(self, private_key: str) -> str:
+        """
+        Get the public key from a private key.
+
+        Args:
+            private_key: The private key as a hex string
+
+        Returns:
+            str: The public key as a hex string
+
+        Raises:
+            ValueError: If the private key is invalid
+        """
+        pass
+
+    @abstractmethod
+    def verify(self, message_hash: bytes, signature: Tuple[str, str], public_key: str) -> bool:
+        """
+        Verify a signature using a public key.
+
+        Args:
+            message_hash: The hash of the message
+            signature: The signature as (r, s) hex strings
+            public_key: The public key as a hex string
+
+        Returns:
+            bool: Whether the signature is valid
+        """
+        pass
+
+    @abstractmethod
+    def pedersen_hash(self, elements: List[int]) -> bytes:
+        """
+        Calculate the Pedersen hash of a list of integers.
+
+        Args:
+            elements: List of integers to hash
+
+        Returns:
+            bytes: The hash result
+
+        Raises:
+            ValueError: If the calculation fails
+        """
+        pass