コード例 #1
0
ファイル: tasks.py プロジェクト: tobby2002/VeraWebApp
def new_member_instance(user_id):
    try:
        Member.objects.get(pk=user_id)
    except Member.DoesNotExist:
        logger.error('Member with id {} not found, contract will not be deployed.'.format(user_id))
    else:
        oracle = OracleHandler()
        w3 = utils.get_w3()
        contract_file = 'dapp/contracts/Member.sol'
        compile_sol = compile_files([contract_file, ],
                                    output_values=("abi", "ast", "bin", "bin-runtime",))
        create_abi(compile_sol[contract_file + ':Member']['abi'], 'Member')
        obj = w3.eth.contract(
            abi=compile_sol[contract_file + ':Member']['abi'],
            bytecode=compile_sol[contract_file + ':Member']['bin'],
            bytecode_runtime=compile_sol[contract_file + ':Member']['bin-runtime'],
        )
        args = [settings.VERA_ORACLE_CONTRACT_ADDRESS, ]
        logger.info('Try to unlock account: {}.'.format(oracle.unlockAccount()))
        try:
            txn_hash = obj.deploy(transaction={'from': oracle.account}, args=args)
        except Exception as e:
            logger.warning('Error while deploy new member contract. User {}: {}'.format(user_id, e))
            return False
        else:
            logger.info('Lock account: {}'.format(oracle.lockAccount()))
            save_txn.delay(txn_hash.hex(), 'NewMember', user_id, user_id)
            save_txn_to_history.delay(user_id, txn_hash.hex(),
                                      'Creation of a new Member contract')
コード例 #2
0
ファイル: tasks.py プロジェクト: tobby2002/VeraWebApp
def deploy_new_company(company_id):
    """
    Deploy new company contract
    :param company_id: Company off chain id for deploy
    :return: True in case of successful, false otherwise
    """
    try:
        instance = Company.objects.get(pk=company_id)
    except Company.DoesNotExist:
        logger.error(
            'Company with id {} not found, contract will bot be deployed.'.
            format(company_id))
        return False
    else:
        oracle = OracleHandler()
        w3 = utils.get_w3()
        contract_file = 'dapp/contracts/Company.sol'
        compile_sol = compile_files([
            contract_file,
        ],
                                    output_values=(
                                        "abi",
                                        "ast",
                                        "bin",
                                        "bin-runtime",
                                    ))
        create_abi(compile_sol[contract_file + ':Company']['abi'], 'Company')
        obj = w3.eth.contract(
            abi=compile_sol[contract_file + ':Company']['abi'],
            bytecode=compile_sol[contract_file + ':Company']['bin'],
            bytecode_runtime=compile_sol[contract_file +
                                         ':Company']['bin-runtime'],
        )
        args = [
            settings.VERA_COIN_CONTRACT_ADDRESS,
            settings.VERA_ORACLE_CONTRACT_ADDRESS,
        ]
        logger.info('Try to unlock account: {}.'.format(
            oracle.unlockAccount()))
        try:
            txn_hash = obj.deploy(transaction={'from': oracle.account},
                                  args=args)
        except Exception as e:
            logger.warning(
                'Error while deploy new company contract. Company {}: {}'.
                format(company_id, e))
        else:
            logger.info('Lock account: {}'.format(oracle.lockAccount()))
            save_txn.delay(txn_hash.hex(), 'NewCompany',
                           instance.created_by.id, company_id)
            save_txn_to_history.delay(instance.created_by.id, txn_hash.hex(),
                                      'Creation of a new Company contract')