Update proof_of_work.py

Author: Khushi-51

blockchain/proof_of_work.py

@@ -1,49 +1,17 @@
-"""
-Proof of Work Module
-"""
-
 from datetime import datetime, timezone
 import hashlib
 
-
 class Block:
     def __init__(self, index: int, previous_hash: str, data: str, timestamp: str):
         self.index = index
         self.previous_hash = previous_hash
         self.data = data
         self.timestamp = timestamp
 
-    def calculate_hash(self) -> str:
-        value = f"{self.index}{self.previous_hash}{self.data}{self.timestamp}"
-        return hashlib.sha256(value.encode("utf-8")).hexdigest()
-
     def mine_block(self, difficulty: int) -> None:
-        """
-        Mines a block by finding a nonce that produces a hash
-        """
-        pass  # Implement mining logic here
-
-    def get_block(self) -> str:
-        """
-        Returns a formatted string of the block
-        """
-        return (
-            f"Block {self.index}:\nHash: {self.calculate_hash()}\nData: {self.data}\n"
-        )
-
-
-def create_genesis_block() -> Block:
-    """
-    Creates the first block in the blockchain
-    """
-    return Block(0, "0", "Genesis Block", datetime.now(timezone.utc).isoformat())
-
-
-def get_latest_block() -> Block:
-    """
-    Returns the latest block in the blockchain
-    """
-    pass  # Implement logic to return the latest block
-
+        # Implement mining logic here
+        pass
 
-# Further implementation here...
+    @staticmethod
+    def create_genesis_block() -> 'Block':
+        return Block(0, "0", "Genesis Block", datetime.now(timezone.utc).isoformat())