Merged in features/neo-rpc (pull request #2)

Object user scenarios and DevEnv integration

* Object user scenarios and DevEnv integration.

robot/resources/lib/payment.py

@@ -0,0 +1,83 @@
+#!/usr/bin/python3
+
+import subprocess
+import re
+
+from robot.api.deco import keyword
+from robot.api import logger
+
+import logging
+import robot.errors
+import requests
+
+from robot.libraries.BuiltIn import BuiltIn
+from neocore.KeyPair import KeyPair
+
+from Crypto import Random
+
+ROBOT_AUTO_KEYWORDS = False
+
+@keyword('Request NeoFS Deposit')
+def request_neofs_deposit(public_key: str):
+    """
+    This function requests Deposit to the selected public key.
+    :param public_key:      neo public key
+    """
+
+    response = requests.get('https://fs.localtest.nspcc.ru/api/deposit/'+str(public_key), verify='ca/nspcc-ca.pem')  
+    
+    if response.status_code != 200:
+        BuiltIn().fatal_error('Can not run Deposit to {} with error: {}'.format(public_key, response.text))
+    else:
+        logger.info("Deposit has been completed for '%s'; tx: '%s'" % (public_key, response.text) )
+
+    return response.text
+
+@keyword('Get Balance')
+def get_balance(public_key: str):
+    """
+    This function returns NeoFS balance for selected public key.
+    :param public_key:      neo public key
+    """
+
+    balance = _get_balance_request(public_key)
+
+    return balance
+
+@keyword('Expected Balance')
+def expected_balance(public_key: str, init_amount: float, deposit_size: float):
+    """
+    This function returns NeoFS balance for selected public key.
+    :param public_key:      neo public key
+    :param init_amount:     initial number of tokens in the account
+    :param deposit_size:    expected amount of the balance increasing
+    """
+
+    balance = _get_balance_request(public_key)
+
+    deposit_change = round((float(balance) - init_amount),8)
+    if deposit_change != deposit_size:
+        raise Exception('Expected deposit increase: {}. This does not correspond to the actual change in account: {}'.format(deposit_size, deposit_change))
+
+    logger.info('Expected deposit increase: {}. This correspond to the actual change in account: {}'.format(deposit_size, deposit_change))
+
+    return deposit_change
+
+
+def _get_balance_request(public_key: str):
+    '''
+    Internal method.
+    '''
+    response = requests.get('https://fs.localtest.nspcc.ru/api/balance/neofs/'+str(public_key)+'/', verify='ca/nspcc-ca.pem')  
+    
+    if response.status_code != 200:
+        raise Exception('Can not get balance for {} with error: {}'.format(public_key, response.text))
+    
+    m = re.match(r"\"+([\d.\.?\d*]+)", response.text )
+    if m is None:
+        BuiltIn().fatal_error('Can not parse balance: "%s"' % response.text)
+    balance = m.group(1)
+
+    logger.info("Balance for '%s' is '%s'" % (public_key, balance) )
+
+    return balance