Update proof_of_work.py

Author: Khushi-51

blockchain/proof_of_work.py

@@ -5,7 +5,6 @@
 from datetime import datetime, timezone
 import hashlib
 
-
 class Block:
     def __init__(self, index: int, previous_hash: str, data: str, timestamp: str):
         self.index = index
@@ -17,19 +16,28 @@ 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) -> None:
+    def mine_block(self, difficulty: int) -> None:
         """
         Mines a block by finding a nonce that produces a hash
         """
-        # Implementation of mining logic goes here
+        pass  # Implement mining logic here
 
-    @staticmethod
-    def create_genesis_block() -> "Block":
+    def get_block(self) -> str:
         """
-        Creates the genesis block
+        Returns a formatted string of the block
         """
-        return Block(0, "0", "Genesis Block", datetime.now(timezone.utc).isoformat())
+        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
 
-    def get_latest_block(self) -> "Block":
-        # Logic to get the latest block
-        pass
+# Further implementation here...