コード例 #1
0
 def start_protocol(self):
     coin = Coin(self.network)
     crypto = Crypto()
     self.messages.clear_packets()
     begin_phase = Phase('Announcement')
     # Make Round
     self.protocol = Round_wrong_outputs(
         coin,
         crypto,
         self.messages,
         self.outcome,
         self.income,
         self.logger,
         self.session,
         begin_phase,
         self.amount ,
         self.fee,
         self.sk,
         self.vk,
         self.players,
         self.addr_new,
         self.change)
     self.executionThread = threading.Thread(target = self.protocol.protocol_loop)
     self.executionThread.start()
     self.done.wait()
     self.executionThread.join()
 def setUp(self):
     self.number_of_players = 5
     self.crypto = Crypto()
     self.messages = Messages()
     self.outchan = Channel()
     self.inchan = Channel()
     self.logchan = Channel()
     self.session = b"session"
     self.phase = Phase('Announcement')
     self.amount = 1000
     self.fee = 50
     self.secret_keys = [random_sk() for _ in range(self.number_of_players)]
     self.verification_keys = [
         make_fake_public_key(secret_key=sk) for sk in self.secret_keys
     ]
     self.players = {
         index + 1: vk
         for index, vk in enumerate(self.verification_keys)
     }
     self.inputs = {
         self.verification_keys[0]: {
             self.public_keys[0]: [
                 fake_hash(self.addresses[0], 500) + ":0",
                 fake_hash(self.addresses[0], 100) + ":0"
             ],
             self.public_keys[1]:
             [fake_hash(self.addresses[1], 500) + ":0"]
         },
         self.verification_keys[1]: {
             self.public_keys[2]: [
                 fake_hash(self.addresses[2], 1000) + ":0",
                 fake_hash(self.addresses[2], 100) + ":0"
             ],
         },
         self.verification_keys[2]: {
             self.public_keys[3]:
             [fake_hash(self.addresses[3], 1000) + ":0"],
             self.public_keys[4]:
             [fake_hash(self.addresses[4], 100) + ":0"],
         },
         self.verification_keys[3]: {
             self.public_keys[5]:
             [fake_hash(self.addresses[5], 10000) + ":0"],
         },
         self.verification_keys[4]: {
             self.public_keys[6]:
             [fake_hash(self.addresses[6], 1000) + ":0"],
             self.public_keys[7]:
             [fake_hash(self.addresses[7], 500) + ":0"]
         }
     }
     self.sks = {
         self.public_keys[0]: self.ec_keys[0],
         self.public_keys[1]: self.ec_keys[1],
     }
     self.all_sks = {
         self.verification_keys[0]: {
             self.public_keys[0]: self.ec_keys[0],
             self.public_keys[1]: self.ec_keys[1]
         },
         self.verification_keys[1]: {
             self.public_keys[2]: self.ec_keys[2],
         },
         self.verification_keys[2]: {
             self.public_keys[3]: self.ec_keys[3],
             self.public_keys[4]: self.ec_keys[4],
         },
         self.verification_keys[3]: {
             self.public_keys[5]: self.ec_keys[5],
         },
         self.verification_keys[4]: {
             self.public_keys[6]: self.ec_keys[6],
             self.public_keys[7]: self.ec_keys[7]
         }
     }
     self.sk = self.secret_keys[0]
     self.verification_key = self.verification_keys[0]
     self.new_addresses = [
         make_fake_address() for _ in range(self.number_of_players)
     ]
     self.changes = {
         vk: make_fake_address()
         for vk in self.verification_keys
     }
     self.addr_new = self.new_addresses[0]
     self.change = make_fake_address()
     self.round = Round(self.coin, self.crypto, self.messages, self.inchan,
                        self.outchan, self.logchan, self.session,
                        self.phase, self.amount, self.fee, self.sk,
                        self.sks, self.inputs, self.verification_key,
                        self.players, self.addr_new, self.change)
class TestRound(unittest.TestCase):
    def __init__(self, *args, **kwargs):
        super(TestRound, self).__init__(*args, **kwargs)
        self.network = testNetwork()
        self.ec_keys = [random_sk() for _ in range(10)]
        self.public_keys = [
            make_fake_public_key(secret_key=sk) for sk in self.ec_keys
        ]
        self.addresses = [
            address_from_public_key(public_key)
            for public_key in self.public_keys
        ]
        for address in self.addresses:
            for value in [10000, 1000, 500, 100]:
                self.network.add_coin(address,
                                      value,
                                      tx_hash=fake_hash(address, value))
        self.coin = Coin(self.network)

    def setUp(self):
        self.number_of_players = 5
        self.crypto = Crypto()
        self.messages = Messages()
        self.outchan = Channel()
        self.inchan = Channel()
        self.logchan = Channel()
        self.session = b"session"
        self.phase = Phase('Announcement')
        self.amount = 1000
        self.fee = 50
        self.secret_keys = [random_sk() for _ in range(self.number_of_players)]
        self.verification_keys = [
            make_fake_public_key(secret_key=sk) for sk in self.secret_keys
        ]
        self.players = {
            index + 1: vk
            for index, vk in enumerate(self.verification_keys)
        }
        self.inputs = {
            self.verification_keys[0]: {
                self.public_keys[0]: [
                    fake_hash(self.addresses[0], 500) + ":0",
                    fake_hash(self.addresses[0], 100) + ":0"
                ],
                self.public_keys[1]:
                [fake_hash(self.addresses[1], 500) + ":0"]
            },
            self.verification_keys[1]: {
                self.public_keys[2]: [
                    fake_hash(self.addresses[2], 1000) + ":0",
                    fake_hash(self.addresses[2], 100) + ":0"
                ],
            },
            self.verification_keys[2]: {
                self.public_keys[3]:
                [fake_hash(self.addresses[3], 1000) + ":0"],
                self.public_keys[4]:
                [fake_hash(self.addresses[4], 100) + ":0"],
            },
            self.verification_keys[3]: {
                self.public_keys[5]:
                [fake_hash(self.addresses[5], 10000) + ":0"],
            },
            self.verification_keys[4]: {
                self.public_keys[6]:
                [fake_hash(self.addresses[6], 1000) + ":0"],
                self.public_keys[7]:
                [fake_hash(self.addresses[7], 500) + ":0"]
            }
        }
        self.sks = {
            self.public_keys[0]: self.ec_keys[0],
            self.public_keys[1]: self.ec_keys[1],
        }
        self.all_sks = {
            self.verification_keys[0]: {
                self.public_keys[0]: self.ec_keys[0],
                self.public_keys[1]: self.ec_keys[1]
            },
            self.verification_keys[1]: {
                self.public_keys[2]: self.ec_keys[2],
            },
            self.verification_keys[2]: {
                self.public_keys[3]: self.ec_keys[3],
                self.public_keys[4]: self.ec_keys[4],
            },
            self.verification_keys[3]: {
                self.public_keys[5]: self.ec_keys[5],
            },
            self.verification_keys[4]: {
                self.public_keys[6]: self.ec_keys[6],
                self.public_keys[7]: self.ec_keys[7]
            }
        }
        self.sk = self.secret_keys[0]
        self.verification_key = self.verification_keys[0]
        self.new_addresses = [
            make_fake_address() for _ in range(self.number_of_players)
        ]
        self.changes = {
            vk: make_fake_address()
            for vk in self.verification_keys
        }
        self.addr_new = self.new_addresses[0]
        self.change = make_fake_address()
        self.round = Round(self.coin, self.crypto, self.messages, self.inchan,
                           self.outchan, self.logchan, self.session,
                           self.phase, self.amount, self.fee, self.sk,
                           self.sks, self.inputs, self.verification_key,
                           self.players, self.addr_new, self.change)

    def test_001_test_init(self):
        self.assertEquals(self.round.number_of_players, self.number_of_players)
        self.assertEquals(self.round.me, 1)

    def test_002_blame_insufficient_funds(self):
        self.assertTrue(self.round.blame_insufficient_funds())
        self.assertEquals(self.logchan.get(),
                          "Player 1 finds sufficient funds")
        self.round.inputs[self.round.players[1]][
            self.public_keys[1]][0] = fake_hash(self.addresses[1], 100) + ":0"
        self.assertFalse(self.round.blame_insufficient_funds())
        self.assertEquals(self.logchan.get(),
                          "Blame: insufficient funds of player 1")
        self.assertIsNotNone(self.outchan.get(timeout=0))

    def test_0021_blame_insufficient_funds_network_fail(self):
        self.round.coin.network = None
        self.assertIsNone(self.round.blame_insufficient_funds())
        self.assertEquals(self.logchan.get(),
                          "Error: blockchain network fault!")

    def test_003_process_equivocation_check(self):
        # SetUp
        self.round.new_addresses = self.new_addresses
        self.round.changes = self.changes
        self.round.encryption_keys = {
            player: "encryption_key"
            for player in self.round.players.values()
        }
        computed_hash = self.crypto.hash(
            str(self.round.new_addresses) + str([
                self.round.encryption_keys[self.round.players[i]]
                for i in sorted(self.round.players)
            ]))
        # Wrong phase ignored
        self.round.phase = 'Announcement'
        self.round.process_equivocation_check()
        self.assertTrue(self.outchan.empty())
        self.assertTrue(self.logchan.empty())
        # Set Proper phase
        # Check if incomplete inbox ignored
        self.round.phase = 'EquivocationCheck'
        self.round.inbox[self.messages.phases[self.round.phase]] = {
            self.round.players[1]: "something"
        }
        self.round.process_equivocation_check()
        self.assertTrue(self.outchan.empty())
        self.assertTrue(self.logchan.empty())
        # check processing with inbox completed
        # making the fake messages with equal hashes and fulfill inbox with it
        self.messages.clear_packets()
        self.messages.add_hash(computed_hash)
        message = self.messages.packets.SerializeToString()
        self.round.inbox[self.messages.phases[self.round.phase]] = {
            player: message
            for player in self.round.players.values()
        }
        self.round.process_equivocation_check()
        self.assertEquals(self.round.phase, "VerificationAndSubmission")
        self.assertTrue(self.logchan.get(timeout=0),
                        "Player 1 reaches phase 5")
        self.assertTrue(self.logchan.get(timeout=0),
                        "Player 1 send transction signatures")
        self.assertTrue(self.logchan.empty())
        self.assertIsNotNone(self.round.transaction)
        self.messages.packets.ParseFromString(self.outchan.get(timeout=0))
        self.assertTrue(self.outchan.empty())
        signatures = self.messages.get_signatures()
        for pubkey in self.round.inputs[self.round.vk]:
            for hash in self.round.inputs[self.round.vk][pubkey]:
                self.assertIn(hash, signatures)
        # Checking the blame behaviour
        self.round.phase = 'EquivocationCheck'
        self.messages.clear_packets()
        self.messages.add_hash(computed_hash + b"fail")
        message = self.messages.packets.SerializeToString()
        self.round.inbox[self.messages.phases[self.round.phase]][
            self.round.vk] = message
        self.round.process_equivocation_check()
        self.assertEquals(self.round.phase, "Blame")
        self.assertEquals(self.logchan.get(timeout=0),
                          "Player 1 found bad hash from 1")
        self.assertEquals(self.logchan.get(timeout=0),
                          "Blame: wrong hash computed by player 1")
        self.assertTrue(self.logchan.empty())
        self.messages.packets.ParseFromString(self.outchan.get(timeout=0))
        self.assertEquals(
            self.messages.get_blame_reason(),
            self.messages.blame_reason("EQUIVOCATIONFAILURE")
        )  # This should be replaced with allias for the reason instread of 2.

    def test_004_process_verification_and_submission(self):
        self.round.phase = 'VerificationAndSubmission'
        # Check if nothing is happend with incomplete inbox
        self.round.inbox[self.messages.phases[self.round.phase]] = {
            self.round.players[1]: "something"
        }
        self.round.process_verification_and_submission()
        self.assertTrue(self.outchan.empty())
        self.assertTrue(self.logchan.empty())
        # Check normal case
        transaction = self.coin.make_unsigned_transaction(
            self.amount, self.fee, self.inputs, self.new_addresses,
            self.changes)
        self.round.transaction = transaction
        signatures = {
            player:
            self.coin.get_transaction_signature(transaction,
                                                self.inputs[player],
                                                self.all_sks[player])
            for player in self.round.players.values()
        }
        transaction = self.coin.make_unsigned_transaction(
            self.amount, self.fee, self.inputs, self.new_addresses,
            self.changes)
        for player in signatures:
            self.messages.clear_packets()
            self.messages.add_signatures(signatures[player])
            self.round.inbox[self.messages.phases[self.round.phase]][
                player] = self.messages.packets.SerializeToString()
        self.round.process_verification_and_submission()
        self.assertIsNotNone(self.round.tx)
        self.assertTrue(self.round.done)
        self.assertEquals(self.logchan.get(timeout=0),
                          "Player 1 got transction signatures")
        self.assertEquals(self.logchan.get(timeout=0), "Player 1 done")
        self.assertEquals(self.logchan.get(timeout=0),
                          "Player 1 complete protocol")
        self.assertTrue(self.logchan.empty())
        self.assertTrue(self.outchan.empty())
        # Abnormal case
        self.round.done = False
        self.round.tx = None
        transaction = self.coin.make_unsigned_transaction(
            self.amount, self.fee, self.inputs, self.new_addresses,
            self.changes)
        signatures = {
            player:
            self.coin.get_transaction_signature(transaction,
                                                self.inputs[player],
                                                self.all_sks[player])
            for player in self.round.players.values()
        }
        signatures[self.round.vk][self.inputs[self.round.vk][
            self.public_keys[0]][0]] = signatures[self.round.vk][self.inputs[
                self.round.vk][self.public_keys[0]][1]]
        for player in signatures:
            self.messages.clear_packets()
            self.messages.add_signatures(signatures[player])
            self.round.inbox[self.messages.phases[self.round.phase]][
                player] = self.messages.packets.SerializeToString()
        self.round.transaction = self.coin.make_unsigned_transaction(
            self.amount, self.fee, self.inputs, self.new_addresses,
            self.changes)
        self.round.process_verification_and_submission()
        self.assertEquals(self.logchan.get(timeout=0),
                          "Player 1 got transction signatures")
        self.assertEquals(self.logchan.get(timeout=0),
                          "Blame: wrong transaction signature from player 1")
        self.assertTrue(self.logchan.empty())
        self.messages.packets.ParseFromString(self.outchan.get(timeout=0))
        self.assertEquals(self.messages.get_blame_reason(),
                          self.messages.blame_reason("Invalid Signature"))