def test_get_private_eth_address_ng_not_exists_private_eth_address(self): with self.assertRaises(RecordNotFoundError) as e: self.cognito.admin_get_user = MagicMock(return_value={ 'UserAttributes': [{ 'Name': 'hoge', 'Value': 'piyo' }] }) UserUtil.get_private_eth_address(self.cognito, 'test') self.assertEqual(e.exception.args[0], 'Record Not Found: private_eth_address')
def exec_main_proc(self): # get private_eth_address private_eth_address = UserUtil.get_private_eth_address( self.cognito, self.params['user_id']) return { 'statusCode': 200, 'body': json.dumps({'wallet_address': private_eth_address}) }
def test_get_private_eth_address_ok(self): test_address = '0x401BA17D89D795B3C6e373c5062F1C3F8979e73B' self.cognito.admin_get_user = MagicMock( return_value={ 'UserAttributes': [{ 'Name': 'hoge', 'Value': 'piyo' }, { 'Name': 'custom:private_eth_address', 'Value': test_address }] }) result = UserUtil.get_private_eth_address(self.cognito, 'test') self.assertEqual(test_address, result)
def exec_main_proc(self): ################ # get parameter ################ # article info article_info_table = self.dynamodb.Table( os.environ['ARTICLE_INFO_TABLE_NAME']) article_info = article_info_table.get_item( Key={ 'article_id': self.params['article_id'] }).get('Item') # eth_address from_user_eth_address = self.event['requestContext']['authorizer'][ 'claims']['custom:private_eth_address'] to_user_eth_address = UserUtil.get_private_eth_address( self.cognito, article_info['user_id']) # transaction_count transaction_count = PrivateChainUtil.get_transaction_count( from_user_eth_address) ################ # validation ################ # does not tip same user if article_info['user_id'] == self.event['requestContext'][ 'authorizer']['claims']['cognito:username']: raise ValidationError('Can not tip to myself') # validate raw_transaction # tip tip_data = PrivateChainUtil.get_data_from_raw_transaction( self.params['tip_signed_transaction'], transaction_count) PrivateChainUtil.validate_erc20_transfer_data(tip_data, to_user_eth_address) # burn transaction_count = PrivateChainUtil.increment_transaction_count( transaction_count) burn_data = PrivateChainUtil.get_data_from_raw_transaction( self.params['burn_signed_transaction'], transaction_count) PrivateChainUtil.validate_erc20_transfer_data( burn_data, '0x' + os.environ['BURN_ADDRESS']) # burn 量が正しいこと tip_value = int(tip_data[72:], 16) burn_value = int(burn_data[72:], 16) calc_burn_value = int(Decimal(tip_value) / Decimal(10)) if burn_value != calc_burn_value: raise ValidationError('burn_value is invalid.') # 残高が足りていること if not self.__is_burnable_user(from_user_eth_address, tip_value, burn_value): raise ValidationError('Required at least {token} token'.format( token=tip_value + burn_value)) ####################### # send_raw_transaction ####################### transaction_hash = PrivateChainUtil.send_raw_transaction( self.params['tip_signed_transaction']) burn_transaction = None try: # 投げ銭が成功した時のみバーン処理を行う if PrivateChainUtil.is_transaction_completed(transaction_hash): # バーンのトランザクション処理 burn_transaction = PrivateChainUtil.send_raw_transaction( self.params['burn_signed_transaction']) else: logging.info( 'Burn was not executed because tip transaction was uncompleted.' ) except Exception as err: logging.fatal(err) traceback.print_exc() finally: # create tip info self.__create_tip_info(transaction_hash, tip_value, burn_transaction, article_info) return {'statusCode': 200}
def exec_main_proc(self): ################ # get parameter ################ # get article info article_info_table = self.dynamodb.Table( os.environ['ARTICLE_INFO_TABLE_NAME']) article_info = article_info_table.get_item( Key={ 'article_id': self.params['article_id'] }).get('Item') # purchase article paid_articles_table = self.dynamodb.Table( os.environ['PAID_ARTICLES_TABLE_NAME']) paid_status_table = self.dynamodb.Table( os.environ['PAID_STATUS_TABLE_NAME']) # eth_address article_user_eth_address = UserUtil.get_private_eth_address( self.cognito, article_info['user_id']) user_eth_address = self.event['requestContext']['authorizer'][ 'claims']['custom:private_eth_address'] # transaction_count transaction_count = PrivateChainUtil.get_transaction_count( user_eth_address) ################ # validation ################ # does not purchase same user's article user_id = self.event['requestContext']['authorizer']['claims'][ 'cognito:username'] if article_info['user_id'] == user_id: raise ValidationError('Can not purchase own article') # validate raw_transaction # purchase purchase_data = PrivateChainUtil.get_data_from_raw_transaction( self.params['purchase_signed_transaction'], transaction_count) PrivateChainUtil.validate_erc20_transfer_data( purchase_data, article_user_eth_address) # burn transaction_count = PrivateChainUtil.increment_transaction_count( transaction_count) burn_data = PrivateChainUtil.get_data_from_raw_transaction( self.params['burn_signed_transaction'], transaction_count) PrivateChainUtil.validate_erc20_transfer_data( burn_data, '0x' + os.environ['BURN_ADDRESS']) # burn 量が正しいこと purchase_value = int(purchase_data[72:], 16) burn_value = int(burn_data[72:], 16) calc_burn_value = int(Decimal(purchase_value) / Decimal(9)) if burn_value != calc_burn_value: raise ValidationError('burn_value is invalid.') # purchase_value が記事で指定されている金額に基づいた量が設定されていること DBUtil.validate_latest_price(self.dynamodb, self.params['article_id'], purchase_value) ################ # purchase ################ sort_key = TimeUtil.generate_sort_key() # 多重リクエストによる不必要なレコード生成を防ぐためにpaid_statusレコードを生成 self.__create_paid_status(paid_status_table, user_id) # 購入のトランザクション処理 purchase_transaction = PrivateChainUtil.send_raw_transaction( self.params['purchase_signed_transaction']) # 購入記事データを作成 self.__create_paid_article(paid_articles_table, article_info, purchase_transaction, sort_key) # プライベートチェーンへのポーリングを行いトランザクションの承認状態を取得 transaction_status = self.__polling_to_private_chain( purchase_transaction) # トランザクションの承認状態をpaid_articleとpaid_statusに格納 self.__update_transaction_status(article_info, paid_articles_table, transaction_status, sort_key, paid_status_table, user_id) # 購入のトランザクションが成功した時のみバーンのトランザクションを発行する if transaction_status == 'done': try: # 購入に成功した場合、著者の未読通知フラグをTrueにする self.__update_unread_notification_manager( article_info['user_id']) # 著者へ通知を作成 self.__notify_author(article_info, user_id) # バーンのトランザクション処理 burn_transaction = PrivateChainUtil.send_raw_transaction( self.params['burn_signed_transaction']) # バーンのトランザクションを購入テーブルに格納 self.__add_burn_transaction_to_paid_article( burn_transaction, paid_articles_table, article_info, sort_key) except Exception as err: logging.fatal(err) traceback.print_exc() # 記事購入者へは購入処理中の場合以外で通知を作成 if transaction_status == 'done' or transaction_status == 'fail': self.__update_unread_notification_manager(user_id) self.__notify_purchaser(article_info, user_id, transaction_status) return { 'statusCode': 200, 'body': json.dumps({'status': transaction_status}) }