Create pi_coin.py

blockchain_integration/pi_network/pibrain/blockchain/pi_coin.py

@@ -0,0 +1,49 @@
+import hashlib
+from cryptography.hazmat.primitives import serialization
+from cryptography.hazmat.backends import default_backend
+
+class PiCoin:
+    def __init__(self, public_key, private_key):
+        self.public_key = public_key
+        self.private_key = private_key
+
+    def generate_address(self):
+        public_key_bytes = self.public_key.public_bytes(
+            encoding=serialization.Encoding.PEM,
+            format=serialization.PublicFormat.SubjectPublicKeyInfo
+        )
+
+        address = hashlib.sha256(public_key_bytes).hexdigest()[:20]
+        return address
+
+    def sign_transaction(self, transaction):
+        # TO DO: implement transaction signing logic
+        pass
+
+    def verify_transaction(self, transaction, signature):
+        # TO DO: implement transaction verification logic
+        pass
+
+class Transaction:
+    def __init__(self, sender, recipient, amount):
+        self.sender = sender
+        self.recipient = recipient
+        self.amount = amount
+
+    def to_dict(self):
+        return {
+            'sender': self.sender,
+            'recipient': self.recipient,
+            'amount': self.amount
+        }
+
+# Example usage:
+public_key = serialization.load_pem_public_key(b'public_key_pem', backend=default_backend())
+private_key = serialization.load_pem_private_key(b'private_key_pem', password=None, backend=default_backend())
+
+pi_coin = PiCoin(public_key, private_key)
+address = pi_coin.generate_address()
+print(f'Generated address: {address}')
+
+transaction = Transaction(address, 'recipient_address', 10)
+print(f'Transaction: {transaction.to_dict()}')