mirror of
https://github.com/th30d4y/OpenLearnX.git
synced 2026-05-26 19:26:33 +00:00
5t4l1n
121 lines
4.1 KiB
Python
121 lines
4.1 KiB
Python
#!/usr/bin/env python3
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"""
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Deployment script for OpenLearnX smart contracts
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"""
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import os
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import json
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from pathlib import Path
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from web3 import Web3
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from eth_account import Account
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from dotenv import load_dotenv
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# Load environment variables from backend/.env
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BASE_DIR = Path(__file__).resolve().parent.parent
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load_dotenv(BASE_DIR / ".env")
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def deploy_contract():
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# Load environment variables
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provider_url = os.getenv('WEB3_PROVIDER_URL', 'http://127.0.0.1:8545')
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private_key = os.getenv('DEPLOYER_PRIVATE_KEY')
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if not private_key:
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raise ValueError("DEPLOYER_PRIVATE_KEY environment variable required")
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# Connect to Web3
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w3 = Web3(Web3.HTTPProvider(provider_url))
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if not w3.is_connected():
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raise Exception(f"Failed to connect to {provider_url}")
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account = Account.from_key(private_key)
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print(f"Deploying from account: {account.address}")
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print(f"Balance: {w3.eth.get_balance(account.address) / 10**18} ETH")
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# Load contract bytecode and ABI
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contract_path = BASE_DIR / "out" / "CertificateNFT.sol" / "CertificateNFT.json"
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if not contract_path.exists():
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print("Contract not compiled. Running forge build...")
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import subprocess
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result = subprocess.run(["forge", "build"], cwd=BASE_DIR, capture_output=True, text=True)
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if result.returncode != 0:
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raise Exception(f"forge build failed: {result.stderr}")
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with open(contract_path, 'r') as f:
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contract_data = json.load(f)
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# Deploy contract
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contract = w3.eth.contract(
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abi=contract_data['abi'],
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bytecode=contract_data['bytecode']['object']
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)
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# Build transaction with higher gas limit
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transaction = contract.constructor().build_transaction({
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'from': account.address,
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'nonce': w3.eth.get_transaction_count(account.address),
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'gas': 5000000, # Increased gas limit
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'gasPrice': w3.to_wei('20', 'gwei')
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})
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# Sign and send transaction
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signed_txn = w3.eth.account.sign_transaction(transaction, private_key)
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tx_hash = w3.eth.send_raw_transaction(signed_txn.rawTransaction)
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print(f"Transaction hash: {tx_hash.hex()}")
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# Wait for receipt with timeout
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try:
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receipt = w3.eth.wait_for_transaction_receipt(tx_hash, timeout=300)
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# Check if transaction was successful
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if receipt.status == 0:
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raise Exception("Transaction failed - check gas limit and contract code")
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contract_address = receipt.contractAddress
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if not contract_address:
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raise Exception("Contract address is None - deployment failed")
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print(f"Contract deployed at: {contract_address}")
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print(f"Gas used: {receipt.gasUsed}")
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print(f"Transaction status: {'Success' if receipt.status == 1 else 'Failed'}")
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except Exception as e:
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print(f"Error waiting for transaction receipt: {e}")
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return None
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# Save deployment info
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deployment_info = {
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'contract_address': contract_address,
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'transaction_hash': tx_hash.hex(),
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'deployer': account.address,
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'network': 'local' if 'localhost' in provider_url or '127.0.0.1' in provider_url else 'unknown',
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'abi': contract_data['abi'],
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'gas_used': receipt.gasUsed,
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'block_number': receipt.blockNumber,
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'status': receipt.status
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}
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deployment_file = BASE_DIR / "deployment.json"
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with open(deployment_file, 'w') as f:
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json.dump(deployment_info, f, indent=2)
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print(f"Deployment info saved to: {deployment_file}")
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print(f"\nAdd this to your .env file:")
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print(f"CONTRACT_ADDRESS={contract_address}")
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return contract_address
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if __name__ == '__main__':
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try:
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contract_address = deploy_contract()
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if contract_address:
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print(f"\n✅ Deployment successful!")
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print(f"Contract Address: {contract_address}")
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else:
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print(f"\n❌ Deployment failed!")
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except Exception as e:
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print(f"❌ Deployment failed: {e}")
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