text: #!/usr/bin/env python3
  
  # Copyright (c) 2019 The Monero Project
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  from __future__ import print_function
  import subprocess
  import os
  import time
  
  """Test daemon RPC payment calls
  """
  
  from framework.daemon import Daemon
  from framework.wallet import Wallet
  
  class RPCPaymentTest():
      def run_test(self):
          self.make_test_signature = os.environ['MAKE_TEST_SIGNATURE']
          assert len(self.make_test_signature) > 0
          self.secret_key, self.public_key = self.get_keys()
          self.signatures = []
          self.reset()
          self.test_access_tracking()
          self.test_access_mining()
          self.test_access_payment()
          self.test_access_account()
          self.test_free_access()
  
      def get_keys(self):
          output = subprocess.check_output([self.make_test_signature]).decode('utf-8').rstrip()
          fields = output.split()
          assert len(fields) == 2
          return fields
  
      def refill_signatures(self):
          signatures = subprocess.check_output([self.make_test_signature, self.secret_key, '256']).decode('utf-8')
          for line in signatures.split():
              self.signatures.append(line.rstrip())
  
      def get_signature(self):
          if len(self.signatures) == 0:
              self.refill_signatures()
          s = self.signatures[0]
          self.signatures = self.signatures[1:]
          return s
  
      def reset(self):
          print('Resetting blockchain')
          daemon = Daemon(idx=1)
          res = daemon.get_height()
          daemon.pop_blocks(res.height - 1)
          daemon.flush_txpool()
  
      def test_access_tracking(self):
          print('Testing access tracking')
          daemon = Daemon(idx=1)
  
          res = daemon.rpc_access_tracking(True)
  
          res = daemon.rpc_access_tracking()
          data = sorted(res.data, key = lambda k: k['rpc'])
          assert len(data) == 1
          entry = data[0]
          assert entry.rpc == 'rpc_access_tracking'
          assert entry.count == 1
          assert entry.time >= 0
          assert entry.credits == 0
  
          daemon.get_connections()
          res = daemon.rpc_access_tracking()
          data = sorted(res.data, key = lambda k: k['rpc'])
          assert len(data) == 2
          entry = data[0]
          assert entry.rpc == 'get_connections'
          assert entry.count == 1
          assert entry.time >= 0
          assert entry.credits == 0
  
          daemon.get_connections()
          res = daemon.rpc_access_tracking()
          data = sorted(res.data, key = lambda k: k['rpc'])
          assert len(data) == 2
          entry = data[0]
          assert entry.rpc == 'get_connections'
          assert entry.count == 2
          assert entry.time >= 0
          assert entry.credits == 0
  
          daemon.get_alternate_chains()
          res = daemon.rpc_access_tracking()
          data = sorted(res.data, key = lambda k: k['rpc'])
          assert len(data) == 3
          entry = data[0]
          assert entry.rpc == 'get_alternate_chains'
          assert entry.count == 1
          assert entry.time >= 0
          assert entry.credits == 0
          entry = res.data[1]
          assert entry.rpc == 'get_connections'
          assert entry.count == 2
          assert entry.time >= 0
          assert entry.credits == 0
  
          res = daemon.rpc_access_tracking(True)
          res = daemon.rpc_access_tracking()
          data = sorted(res.data, key = lambda k: k['rpc'])
          assert len(data) == 1
          entry = data[0]
          assert entry.rpc == 'rpc_access_tracking'
          assert entry.count == 1
  
      def test_access_mining(self):
          print('Testing access mining')
          daemon = Daemon(idx=1)
          wallet = Wallet(idx=3)
  
          res = daemon.rpc_access_info(client = self.get_signature())
          assert len(res.hashing_blob) > 39
          assert res.height == 1
          assert res.top_hash == '418015bb9ae982a1975da7d79277c2705727a56894ba0fb246adaabb1f4632e3'
          assert res.credits_per_hash_found == 5000
          assert res.diff == 10
          assert res.credits == 0
          cookie = res.cookie
  
          # Try random nonces till we find one that's valid and one that's invalid
          nonce = 0
          found_valid = 0
          found_invalid = 0
          last_credits = 0
          loop_time = time.time()
          while found_valid == 0 or found_invalid == 0:
              nonce += 1
              try:
                  res = daemon.rpc_access_submit_nonce(nonce = nonce, cookie = cookie, client = self.get_signature())
                  found_valid += 1
                  assert res.credits == last_credits + 5000
              except Exception as e:
                  found_invalid += 1
                  res = daemon.rpc_access_info(client = self.get_signature())
                  cookie = res.cookie
                  loop_time = time.time()
                  assert res.credits < last_credits or res.credits == 0
              assert nonce < 1000 # can't find both valid and invalid -> the RPC probably fails
              last_credits = res.credits
  
              if time.time() >= loop_time + 10:
                  res = daemon.rpc_access_info(client = self.get_signature())
                  cookie = res.cookie
                  loop_time = time.time()
  
          # we should now have 1 valid nonce, and a number of bad ones
          res = daemon.rpc_access_info(client = self.get_signature())
          assert len(res.hashing_blob) > 39
          assert res.height > 1
          assert res.top_hash != '418015bb9ae982a1975da7d79277c2705727a56894ba0fb246adaabb1f4632e3' # here, any share matches network diff
          assert res.credits_per_hash_found == 5000
          assert res.diff == 10
          cookie = res.cookie
  
          res = daemon.rpc_access_data()
          assert len(res.entries) > 0
          e = [x for x in res.entries if x['client'] == self.public_key]
          assert len(e) == 1
          e = e[0]
          assert e.nonces_stale == 0
          assert e.nonces_bad == found_invalid
          assert e.nonces_good == found_valid
          assert e.nonces_dupe == 0
  
          # Try random nonces till we find one that's valid so we get a load of credits
          loop_time = time.time()
          while last_credits == 0:
              nonce += 1
              try:
                  res = daemon.rpc_access_submit_nonce(nonce = nonce, cookie = cookie, client = self.get_signature())
                  found_valid += 1
                  last_credits = res.credits
                  break
              except:
                  found_invalid += 1
              assert nonce < 1000 # can't find a valid none -> the RPC probably fails
              if time.time() >= loop_time + 10:
                  res = daemon.rpc_access_info(client = self.get_signature())
                  cookie = res.cookie
                  loop_time = time.time()
  
          # we should now have at least 5000
          res = daemon.rpc_access_info(client = self.get_signature())
          assert res.credits == last_credits
          assert res.credits >= 5000 # last one was a valid nonce
  
          res = daemon.rpc_access_data()
          assert len(res.entries) > 0
          e = [x for x in res.entries if x['client'] == self.public_key]
          assert len(e) == 1
          e = e[0]
          assert e.nonces_stale == 0
          assert e.nonces_bad == found_invalid
          assert e.nonces_good == found_valid
          assert e.nonces_dupe == 0
          assert e.balance == 5000
          assert e.credits_total >= 5000
  
          # find a valid one, then check dupes aren't allowed
          res = daemon.rpc_access_info(client = self.get_signature())
          cookie = res.cookie
          old_cookie = cookie # we keep that so can submit a stale later
          loop_time = time.time()
          while True:
              nonce += 1
              try:
                  res = daemon.rpc_access_submit_nonce(nonce = nonce, cookie = cookie, client = self.get_signature())
                  found_valid += 1
                  break
              except:
                  found_invalid += 1
              assert nonce < 1000 # can't find both valid and invalid -> the RPC probably fails
  
              if time.time() >= loop_time + 10:
                  res = daemon.rpc_access_info(client = self.get_signature())
                  cookie = res.cookie
                  loop_time = time.time()
  
          res = daemon.rpc_access_data()
          assert len(res.entries) > 0
          e = [x for x in res.entries if x['client'] == self.public_key]
          assert len(e) == 1
          e = e[0]
          assert e.nonces_stale == 0
          assert e.nonces_bad == found_invalid
          assert e.nonces_good == found_valid
          assert e.nonces_dupe == 0
  
          ok = False
          try:
              res = daemon.rpc_access_submit_nonce(nonce = nonce, cookie = cookie, client = self.get_signature())
          except:
              ok = True
          assert ok
  
          res = daemon.rpc_access_data()
          assert len(res.entries) > 0
          e = [x for x in res.entries if x['client'] == self.public_key]
          assert len(e) == 1
          e = e[0]
          assert e.nonces_stale == 0
          assert e.nonces_bad == found_invalid
          assert e.nonces_good == found_valid
          assert e.nonces_dupe == 1
  
          # find stales without updating cookie, one within 5 seconds (accepted), one later (rejected)
          res = daemon.rpc_access_info(client = self.get_signature())
          cookie = res.cookie # let the daemon update its timestamp, but use old cookie
          found_close_stale = 0
          found_late_stale = 0
          loop_time = time.time()
          while found_close_stale == 0 or found_late_stale == 0:
              nonce += 1
              try:
                  res = daemon.rpc_access_submit_nonce(nonce = nonce, cookie = cookie, client = self.get_signature())
                  found_close_stale += 1
                  found_valid += 1
                  time.sleep(15) # now we've got an early stale, wait till they become late stales
              except Exception as e:
                  #if e[0]['error']['code'] == -18: # stale
                  if "'code': -18" in str(e): # stale (ugly version, but also works with python 3)
                      found_late_stale += 1
                  else:
                      found_invalid += 1
              assert nonce < 1000 # can't find both valid and invalid -> the RPC probably fails
  
              if time.time() >= loop_time + 10:
                  res = daemon.rpc_access_info(client = self.get_signature())
                  # cookie = res.cookie # let the daemon update its timestamp, but use old cookie
                  loop_time = time.time()
  
          res = daemon.rpc_access_data()
          assert len(res.entries) > 0
          e = [x for x in res.entries if x['client'] == self.public_key]
          assert len(e) == 1
          e = e[0]
          assert e.nonces_stale == found_late_stale # close stales are accepted, don't count here
          assert e.nonces_bad == found_invalid
          assert e.nonces_good == found_valid
          assert e.nonces_dupe == 1
  
          # find very stale with old cookie (rejected)
          res = daemon.rpc_access_info(client = self.get_signature())
          nonce += 1
          ok = False
          try:
              res = daemon.rpc_access_submit_nonce(nonce = nonce, cookie = old_cookie, client = self.get_signature())
          except:
              found_late_stale += 1
              ok = True
          assert ok
  
          res = daemon.rpc_access_data()
          assert len(res.entries) > 0
          e = [x for x in res.entries if x['client'] == self.public_key]
          assert len(e) == 1
          e = e[0]
          assert e.nonces_stale == found_late_stale
          assert e.nonces_bad == found_invalid
          assert e.nonces_good == found_valid
          assert e.nonces_dupe == 1
  
      def test_access_payment(self):
          print('Testing access payment')
          daemon = Daemon(idx=1)
          wallet = Wallet(idx=3)
  
          # Try random nonces till we find one that's valid so we get a load of credits
          res = daemon.rpc_access_info(client = self.get_signature())
          credits = res.credits
          cookie = res.cookie
          nonce = 0
          while credits <= 100:
              nonce += 1
              try:
                  res = daemon.rpc_access_submit_nonce(nonce = nonce, cookie = cookie, client = self.get_signature())
                  break
              except:
                  pass
              assert nonce < 1000 # can't find both valid and invalid -> the RPC probably fails
  
          res = daemon.rpc_access_info(client = self.get_signature())
          credits = res.credits
          assert credits > 0
  
          res = daemon.get_info(client = self.get_signature())
          assert res.credits == credits - 1
          credits = res.credits
  
          res = daemon.generateblocks('42ey1afDFnn4886T7196doS9GPMzexD9gXpsZJDwVjeRVdFCSoHnv7KPbBeGpzJBzHRCAs9UxqeoyFQMYbqSWYTfJJQAWDm', 100)
          block_hashes = res.blocks
  
          # ask for 1 block -> 1 credit
          res = daemon.getblockheadersrange(0, 0, client = self.get_signature())
          assert res.credits == credits - 1
          credits = res.credits
  
          # ask for 100 blocks -> >1 credit
          res = daemon.getblockheadersrange(1, 100, client = self.get_signature())
          assert res.credits < credits - 1
          credits = res.credits
  
          # external users
          res = daemon.rpc_access_pay(payment = 1, paying_for = 'foo', client = self.get_signature())
          assert res.credits == credits - 1
          res = daemon.rpc_access_pay(payment = 4, paying_for = 'bar', client = self.get_signature())
          assert res.credits == credits - 5
          res = daemon.rpc_access_pay(payment = credits, paying_for = 'baz', client = self.get_signature())
          assert "PAYMENT REQUIRED" in res.status
          res = daemon.rpc_access_pay(payment = 2, paying_for = 'quux', client = self.get_signature())
          assert res.credits == credits - 7
          res = daemon.rpc_access_pay(payment = 3, paying_for = 'bar', client = self.get_signature())
          assert res.credits == credits - 10
  
          # that should be rejected because its cost is massive
          ok = False
          try: res = daemon.get_output_histogram(amounts = [], client = self.get_signature())
          except Exception as e: print('e: ' + str(e)); ok = "PAYMENT REQUIRED" in e.status
          assert ok or "PAYMENT REQUIRED" in res.status
  
      def test_access_account(self):
          print('Testing access account')
          daemon = Daemon(idx=1)
          wallet = Wallet(idx=3)
  
          res = daemon.rpc_access_info(client = self.get_signature())
          credits = res.credits
          res = daemon.rpc_access_account(self.get_signature(), 0)
          assert res.credits == credits
          res = daemon.rpc_access_account(self.get_signature(), 50)
          assert res.credits == credits + 50
          res = daemon.rpc_access_account(self.get_signature(), -10)
          assert res.credits == credits + 40
          res = daemon.rpc_access_account(self.get_signature(), -(credits + 50))
          assert res.credits == 0
          res = daemon.rpc_access_account(self.get_signature(), 2**63 - 5)
          assert res.credits == 2**63 - 5
          res = daemon.rpc_access_account(self.get_signature(), 2**63 - 1)
          assert res.credits == 2**64 - 6
          res = daemon.rpc_access_account(self.get_signature(), 2)
          assert res.credits == 2**64 - 4
          res = daemon.rpc_access_account(self.get_signature(), 8)
          assert res.credits == 2**64 - 1
          res = daemon.rpc_access_account(self.get_signature(), -1)
          assert res.credits == 2**64 - 2
          res = daemon.rpc_access_account(self.get_signature(), -(2**63 - 1))
          assert res.credits == 2**64 - 2 -(2**63 - 1)
          res = daemon.rpc_access_account(self.get_signature(), -(2**63 - 1))
          assert res.credits == 0
  
      def test_free_access(self):
          print('Testing free access')
          daemon = Daemon(idx=0)
          wallet = Wallet(idx=0)
  
          res = daemon.rpc_access_info(client = self.get_signature())
          assert res.credits_per_hash_found == 0
          assert res.diff == 0
          assert res.credits == 0
  
          res = daemon.get_info(client = self.get_signature())
          assert res.credits == 0
  
          # any nonce will do here
          res = daemon.rpc_access_submit_nonce(nonce = 0, cookie = 0, client = self.get_signature())
          assert res.credits == 0
  
  
  class Guard:
      def __enter__(self):
          for i in range(4):
              Wallet(idx = i).auto_refresh(False)
      def __exit__(self, exc_type, exc_value, traceback):
          for i in range(4):
              Wallet(idx = i).auto_refresh(True)
  
  if __name__ == '__main__':
      with Guard() as guard:
          RPCPaymentTest().run_test()
  