Create app.py

app.py

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+import gzip
+import blockcypher
+from flask import Flask, request, jsonify
+import os
+import hashlib
+import binascii
+import uuid
+import datetime
+import base64
+from enum import Enum
+from cryptography.hazmat.primitives import hashes, serialization
+from cryptography.hazmat.primitives.asymmetric import ec
+from cryptography.hazmat.backends import default_backend
+from web3 import Web3
+from solcx import compile_source
+
+app = Flask(__name__)
+
+# Blockchain and Smart Contract setup
+w3 = Web3(Web3.HTTPProvider('http://127.0.0.1:7545'))
+w3.eth.default_account = w3.eth.accounts[0]
+
+# Solidity source code
+contract_source_code = '''
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.0;
+
+import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
+
+contract JBO3Token is ERC20 {
+    constructor(uint256 initialSupply) ERC20("JBO3Token", "JBO3") {
+        _mint(msg.sender, initialSupply);
+    }
+
+    function mint(address to, uint256 amount) public {
+        _mint(to, amount);
+    }
+}
+'''
+
+# Compile the contract
+compiled_sol = compile_source(contract_source_code)
+contract_interface = compiled_sol['<stdin>:JBO3Token']
+
+# Deploy the contract
+JBO3 = w3.eth.contract(abi=contract_interface['abi'], bytecode=contract_interface['bin'])
+tx_hash = JBO3.constructor(1000000).transact()
+tx_receipt = w3.eth.waitForTransactionReceipt(tx_hash)
+contract_address = tx_receipt.contractAddress
+jbo3_contract = w3.eth.contract(address=contract_address, abi=contract_interface['abi'])
+
+class Lap(Enum):
+    PUBLIC_KEY = 1
+    PRIVATE_KEY = 2
+    ECDSA = 3
+
+class CompressionAlgorithm(Enum):
+    NONE = 1
+    GZIP = 2
+
+class StorageTimeline(Enum):
+    PAST = 1
+    PRESENT = 2
+    FUTURE = 3
+
+class Blockchain:
+    def store_data(self, data):
+        try:
+            data_str = str(data)
+            data_hash = hashlib.sha3_256(data_str.encode()).hexdigest()
+            tx_hash = blockcypher.embed_data_to_blockchain(data_hash, coin_symbol='btc-testnet')
+            return "Storing data in the blockchain: " + tx_hash
+        except Exception as e:
+            return "Error while storing data in the blockchain: " + str(e)
+
+class SmartCard:
+    def store_data(self, data):
+        try:
+            return "Storing data on the smart card: " + str(data)
+        except Exception as e:
+            return "Error while storing data on the smart card: " + str(e)
+
+def compress_data(data, algorithm):
+    if algorithm == CompressionAlgorithm.GZIP:
+        compressed_data = gzip.compress(data)
+        return compressed_data
+    else:
+        return data
+
+@app.route('/process_files', methods=['POST'])
+def process_files():
+    file_paths = request.json.get('file_paths')
+    compression_algorithm = CompressionAlgorithm(request.json.get('compression_algorithm'))
+    storage_timeline = StorageTimeline(request.json.get('storage_timeline'))
+    blockchain = Blockchain()
+    smart_card = SmartCard()
+    results = []
+
+    for path in file_paths:
+        try:
+            with open(path, 'rb') as file:
+                data = file.read()
+        except FileNotFoundError:
+            results.append(f"Error: File {path} not found.")
+            continue
+        except Exception as e:
+            results.append(f"Error reading file {path}: {str(e)}")
+            continue
+        
+        compressed_data = compress_data(data, compression_algorithm)
+
+        for lap in Lap:
+            dk = hashlib.pbkdf2_hmac('sha256', compressed_data, b'salt', 100000)
+            hashed_data = binascii.hexlify(dk).decode()
+            new_uuid = str(uuid.uuid4())
+            timestamp = datetime.datetime.now()
+            serialized_data = base64.b64encode(compressed_data)
+            bitmap = list(map(int, bin(int.from_bytes(data, byteorder='big'))[2:]))
+            smart_store = {'uuid': new_uuid, 'timestamp': timestamp, 'hash': hashed_data, 'bitmap': bitmap}
+
+            if lap == Lap.PUBLIC_KEY:
+                private_key = ec.generate_private_key(ec.SECP256K1(), default_backend())
+                public_key = private_key.public_key()
+                pem = public_key.public_bytes(
+                    encoding=serialization.Encoding.PEM,
+                    format=serialization.PublicFormat.SubjectPublicKeyInfo
+                )
+                smart_store['public_key'] = pem
+            elif lap == Lap.PRIVATE_KEY:
+                pem = private_key.private_bytes(
+                    encoding=serialization.Encoding.PEM,
+                    format=serialization.PrivateFormat.PKCS8,
+                    encryption_algorithm=serialization.NoEncryption()
+                )
+                smart_store['private_key'] = pem
+            elif lap == Lap.ECDSA:
+                signature = private_key.sign(compressed_data, ec.ECDSA(hashes.SHA256()))
+                smart_store['signature'] = signature
+
+            if storage_timeline == StorageTimeline.PAST:
+                result = blockchain.store_data(smart_store)
+            elif storage_timeline == StorageTimeline.PRESENT:
+                result = smart_card.store_data(smart_store)
+            elif storage_timeline == StorageTimeline.FUTURE:
+                result = "Storing data in the future"
+            
+            results.append(result)
+
+    return jsonify(results)
+
+@app.route('/mint', methods=['POST'])
+def mint_tokens():
+    to = request.json.get('to')
+    amount = request.json.get('amount')
+    tx_hash = jbo3_contract.functions.mint(to, amount).transact()
+    receipt = w3.eth.waitForTransactionReceipt(tx_hash)
+    return jsonify({'transactionHash': tx_hash.hex(), 'receipt': receipt})
+
+@app.route('/transfer', methods=['POST'])
+def transfer_tokens():
+    from_address = request.json.get('from')
+    to = request.json.get('to')
+    amount = request.json.get('amount')
+    tx_hash = jbo3_contract.functions.transfer(to, amount).transact({'from': from_address})
+    receipt = w3.eth.waitForTransactionReceipt(tx_hash)
+    return jsonify({'transactionHash': tx_hash.hex(), 'receipt': receipt})
+
+@app.route('/balance', methods=['GET'])
+def check_balance():
+    address = request.args.get('address')
+    balance = jbo3_contract.functions.balanceOf(address).call()
+    return jsonify({'balance': balance})
+
+if __name__ == '__main__':
+    app.run(debug=True)