deploy static method

Future<SignalingContract> deploy({ required String rpcUrl, required Credentials credentials, List<ContractParameter> constructorParams = const [], })

Deploy new contract instance

Implementation

static Future<SignalingContract> deploy({
  required String rpcUrl,
  required Credentials credentials,
  List<ContractParameter> constructorParams = const [],
}) async {
  final client = Web3Client(rpcUrl, Client());

  // Encode constructor parameters if any
  String deployData = contractBytecode;
  if (constructorParams.isNotEmpty) {
    deployData = _encodeDeployData(contractBytecode, constructorParams);
  }

  final transaction = Transaction(
    from: credentials.address,
    data: hexToBytes(deployData),
  );

  final txHash = await client.sendTransaction(credentials, transaction);

  // Wait for transaction receipt and get contract address
  TransactionReceipt? receipt;
  int attempts = 0;
  while (receipt == null && attempts < 60) {
    await Future.delayed(const Duration(seconds: 1));
    receipt = await client.getTransactionReceipt(txHash);
    attempts++;
  }

  if (receipt == null) {
    throw Exception('Contract deployment failed: transaction receipt not found after 60 seconds');
  }

  final contractAddr = receipt.contractAddress;
  if (contractAddr == null) {
    throw Exception('Contract deployment failed: no contract address in receipt');
  }

  // Return connected instance
  return connect(
    rpcUrl: rpcUrl,
    contractAddress: contractAddr,
    credentials: credentials,
  );
}