Create identity_verification_blockchain.py

blockchain_integration/pi_network/autonomous_pi_network/blockchain_based_identity_verification/identity_verification_blockchain.py

@@ -0,0 +1,42 @@
+# Import necessary libraries
+from web3 import Web3
+from eth_account import Account
+
+# Set up the Ethereum blockchain connection
+w3 = Web3(Web3.HTTPProvider('https://mainnet.infura.io/v3/YOUR_PROJECT_ID'))
+
+# Define the identity verification contract
+contract_address = '0x...your_contract_address...'
+contract_abi = [...your_contract_abi...]
+
+# Create a new Ethereum account for the autonomous banking network
+account = Account.create('autonomous_pi_network')
+
+# Define the identity verification function
+def verify_identity(user_id, user_data):
+    # Hash the user data
+    user_data_hash = Web3.sha3(text=user_data)
+
+    # Create a new transaction to store the user data hash on the blockchain
+    tx = {
+        'from': account.address,
+        'to': contract_address,
+        'value': 0,
+        'gas': 20000,
+        'gasPrice': w3.eth.gas_price,
+        'data': contract_abi.encode_function_call('storeIdentity', [user_id, user_data_hash])
+    }
+
+    # Sign and send the transaction
+    signed_tx = account.sign_transaction(tx)
+    w3.eth.send_transaction(signed_tx)
+
+    # Wait for the transaction to be mined
+    w3.eth.wait_for_transaction_receipt(signed_tx.hash)
+
+    # Verify the user data hash on the blockchain
+    stored_user_data_hash = contract_abi.encode_function_call('getIdentity', [user_id])
+    if stored_user_data_hash == user_data_hash:
+        return True
+    else:
+        return False