|
| 1 | +from flask import Flask, jsonify |
| 2 | +from web3 import Web3 |
| 3 | +import pyopenxr as openxr |
| 4 | + |
| 5 | +# Blockchain Setup (Ethereum Example) |
| 6 | +infura_url = "https://mainnet.infura.io/v3/YOUR_INFURA_PROJECT_ID" |
| 7 | +web3 = Web3(Web3.HTTPProvider(infura_url)) |
| 8 | + |
| 9 | +# Check Connection |
| 10 | +if not web3.isConnected(): |
| 11 | + print("Error: Blockchain connection failed.") |
| 12 | + exit() |
| 13 | + |
| 14 | +# Smart Contract ABI and Address (Example Contract for Asset Metadata) |
| 15 | +contract_address = "0xYourContractAddress" |
| 16 | +contract_abi = [...] # Replace with your smart contract ABI |
| 17 | + |
| 18 | +contract = web3.eth.contract(address=contract_address, abi=contract_abi) |
| 19 | + |
| 20 | +# Flask Server for VR and Blockchain Data |
| 21 | +app = Flask(__name__) |
| 22 | + |
| 23 | +@app.route("/world/<location_id>", methods=["GET"]) |
| 24 | +def get_location_data(location_id): |
| 25 | + # Fetch metadata from blockchain |
| 26 | + try: |
| 27 | + location_metadata = contract.functions.getLocation(location_id).call() |
| 28 | + return jsonify({ |
| 29 | + "location_id": location_id, |
| 30 | + "name": location_metadata[0], |
| 31 | + "description": location_metadata[1], |
| 32 | + "owner": location_metadata[2] |
| 33 | + }) |
| 34 | + except Exception as e: |
| 35 | + return jsonify({"error": str(e)}) |
| 36 | + |
| 37 | +# VR Integration (Simple OpenXR Initialization) |
| 38 | +def initialize_vr_world(): |
| 39 | + xr_instance = openxr.Instance(application_name="VR Blockchain World") |
| 40 | + system_id = xr_instance.get_system() |
| 41 | + print("VR System Initialized:", system_id) |
| 42 | + |
| 43 | + session = xr_instance.create_session(system_id) |
| 44 | + print("VR Session Created.") |
| 45 | + return session |
| 46 | + |
| 47 | +# Main Function to Run App |
| 48 | +if __name__ == "__main__": |
| 49 | + try: |
| 50 | + initialize_vr_world() |
| 51 | + app.run(host="0.0.0.0", port=5000) |
| 52 | + except Exception as e: |
| 53 | + print(f"Error: {e}") |
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