示例#1
0
    def test_real(self):
        ewctrl = EWalletController(self.pwallet.get_model(), self.wctrl)
        config = {"offer_expiry_interval": 30, "ep_expiry_interval": 30}
        comm1 = MockComm()
        comm2 = MockComm()
        comm1.add_peer(comm2)
        comm2.add_peer(comm1)
        agent1 = EAgent(ewctrl, config, comm1)
        agent2 = EAgent(ewctrl, config, comm2)

        self.cd0 = "obc:cc8e64cef1a880f5132e73b5a1f52a72565c92afa8ec36c445c635fe37b372fd:0:263370"
        self.cd1 = "obc:caff27b3fe0a826b776906aceafecac7bb34af16971b8bd790170329309391ac:0:265577"

        cv0 = {'color_spec': self.cd0, 'value': 100}
        cv1 = {'color_spec': self.cd1, 'value': 200}

        ag1_offer = MyEOffer(None, cv0, cv1)
        ag2_offer = MyEOffer(None, cv0, cv1)
        ag2_offer.auto_post = False

        agent1.register_my_offer(ag1_offer)
        agent2.register_my_offer(ag2_offer)
        for _ in xrange(3):
            agent1._update_state()
            agent2._update_state()
示例#2
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    def test_real(self):
        ewctrl = EWalletController(self.pwallet.get_model(), self.wctrl)
        config = {"offer_expiry_interval": 30,
                  "ep_expiry_interval": 30}
        comm1 = MockComm()
        comm2 = MockComm()
        comm1.add_peer(comm2)
        comm2.add_peer(comm1)
        agent1 = EAgent(ewctrl, config, comm1)
        agent2 = EAgent(ewctrl, config, comm2)

        frobla_color_desc = "obc:cc8e64cef1a880f5132e73b5a1f52a72565c92afa8ec36c445c635fe37b372fd:0:263370"
        foo_color_desc = "obc:caff27b3fe0a826b776906aceafecac7bb34af16971b8bd790170329309391ac:0:265577"

        self.cd0 = OBColorDefinition(1, {'txhash': 'cc8e64cef1a880f5132e73b5a1f52a72565c92afa8ec36c445c635fe37b372fd',
                                         'outindex': 0, 'height':263370})

        self.cd1 = OBColorDefinition(1, {'txhash': 'caff27b3fe0a826b776906aceafecac7bb34af16971b8bd790170329309391ac',
                                         'outindex': 0, 'height':265577})

        cv0 = SimpleColorValue(colordef=self.cd0, value=100)
        cv1 = SimpleColorValue(colordef=self.cd1, value=200)

        ag1_offer = MyEOffer(None, cv0, cv1)
        ag2_offer = MyEOffer(None, cv0, cv1, False)

        agent1.register_my_offer(ag1_offer)
        agent2.register_my_offer(ag2_offer)
        for _ in xrange(3):
            agent1._update_state()
            agent2._update_state()
示例#3
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 def p2ptrade_init(self):
     ewctrl = EWalletController(self.model, self.controller)
     config = {"offer_expiry_interval": 30, "ep_expiry_interval": 30}
     self.thread_comm = ThreadedComm(
         config, 'http://p2ptrade.btx.udoidio.info/messages')
     self.p2p_agent = EAgent(ewctrl, config, self.thread_comm)
     self.thread_comm.start()
示例#4
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    def test_basic(self):
        model = MockModel()
        ewctrl = EWalletController(model, None)
        config = {"offer_expiry_interval": 30, "ep_expiry_interval": 30}
        comm = MockComm()
        agent = EAgent(ewctrl, config, comm)

        # At this point the agent should not have an active proposal
        self.assertFalse(agent.has_active_ep())
        # no messages should have been sent to the network
        self.assertEqual(len(comm.get_messages()), 0)

        color_spec = "obc:03524a4d6492e8d43cb6f3906a99be5a1bcd93916241f759812828b301f25a6c:0:153267"

        cv0 = {'color_spec': "", 'value': 100}
        cv1 = {'color_spec': color_spec, 'value': 200}

        my_offer = MyEOffer(None, cv0, cv1)

        their_offer = EOffer('abcdef', cv1, cv0)

        agent.register_my_offer(my_offer)
        agent.register_their_offer(their_offer)
        agent.update()

        # Agent should have an active exchange proposal
        self.assertTrue(agent.has_active_ep())
        # Exchange proposal should have been sent over comm
        # it should be the only message, as we should not resend our offer
        # if their is an active proposal to match it
        self.assertTrue(len(comm.get_messages()), 1)
        [proposal] = comm.get_messages()
        # The offer data should be in the proposal
        their_offer_data = their_offer.get_data()
        self.assertEquals(their_offer_data, proposal["offer"])
示例#5
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    def setUp(self):
        self.pwallet = PersistentWallet(None, True)
        self.pwallet.init_model()
        self.model = self.pwallet.get_model()
        adm = self.model.get_asset_definition_manager()

        # make sure you have the asset 'testobc' in your testnet.wallet !!
        self.asset = adm.get_asset_by_moniker('testobc')
        self.color_spec = self.asset.get_color_set().get_data()[0]

        self.wc = WalletController(self.model)
        self.ewc = EWalletController(self.model, self.wc)

        def null(a):
            pass

        self.wc.publish_tx = null
示例#6
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    def setUp(self):
        self.path = ":memory:"
        self.config = {
            'hdw_master_key':
            '91813223e97697c42f05e54b3a85bae601f04526c5c053ff0811747db77cfdf5f1accb50b3765377c379379cd5aa512c38bf24a57e4173ef592305d16314a0f4',
            'testnet': True,
            'ccc': {
                'colordb_path': self.path
            },
        }
        self.pwallet = PersistentWallet(self.path, self.config)
        self.pwallet.init_model()
        self.model = self.pwallet.get_model()
        self.wc = WalletController(self.model)

        self.ewc = EWalletController(self.model, self.wc)
        self.bcolorset = self.ewc.resolve_color_spec('')
        self.cspec = "obc:03524a4d6492e8d43cb6f3906a99be5a1bcd93916241f759812828b301f25a6c:0:153267"
示例#7
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    def init_p2ptrade(self):
        from ngcccbase.p2ptrade.ewctrl import EWalletController
        from ngcccbase.p2ptrade.agent import EAgent
        from ngcccbase.p2ptrade.comm import HTTPComm

        ewctrl = EWalletController(self.model, self.controller)
        config = {"offer_expiry_interval": 30, "ep_expiry_interval": 30}
        comm = HTTPComm(config, 'http://p2ptrade.btx.udoidio.info/messages')
        agent = EAgent(ewctrl, config, comm)
        return agent
示例#8
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    def setUp(self):
        self.path = ":memory:"
        self.config = {
            'hdw_master_key':
                '91813223e97697c42f05e54b3a85bae601f04526c5c053ff0811747db77cfdf5f1accb50b3765377c379379cd5aa512c38bf24a57e4173ef592305d16314a0f4',
            'testnet': True,
            'ccc': {'colordb_path' : self.path},
            }
        self.pwallet = PersistentWallet(self.path, self.config)
        self.pwallet.init_model()
        self.model = self.pwallet.get_model()
        self.wc = WalletController(self.model)

        self.ewc = EWalletController(self.model, self.wc)
        self.bcolorset =self.ewc.resolve_color_spec('')
        self.cspec = "obc:03524a4d6492e8d43cb6f3906a99be5a1bcd93916241f759812828b301f25a6c:0:153267"
示例#9
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    def setUp(self):
        self.pwallet = PersistentWallet(None, True)
        self.pwallet.init_model()
        self.model = self.pwallet.get_model()
        adm = self.model.get_asset_definition_manager()

        # make sure you have the asset 'testobc' in your testnet.wallet !!
        self.asset = adm.get_asset_by_moniker('testobc')
        self.color_spec = self.asset.get_color_set().get_data()[0]

        self.wc = WalletController(self.model)
        self.ewc = EWalletController(self.model, self.wc)

        def null(a):
            pass
        self.wc.publish_tx = null
示例#10
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 def setUp(self):
     self.path = ":memory:"
     self.config = {
         'hdw_master_key':
         '91813223e97697c42f05e54b3a85bae601f04526c5c053ff0811747db77cfdf5f1accb50b3765377c379379cd5aa512c38bf24a57e4173ef592305d16314a0f4',
         'testnet': True,
         'ccc': {
             'colordb_path': self.path
         },
     }
     self.pwallet = PersistentWallet(self.path, self.config)
     self.pwallet.init_model()
     self.model = self.pwallet.get_model()
     self.wc = WalletController(self.model)
     self.ewc = EWalletController(self.model, self.wc)
     self.econfig = {"offer_expiry_interval": 30, "ep_expiry_interval": 30}
     self.comm0 = MockComm()
     self.comm1 = MockComm()
     self.comm0.add_peer(self.comm1)
     self.comm1.add_peer(self.comm0)
     self.agent0 = EAgent(self.ewc, self.econfig, self.comm0)
     self.agent1 = EAgent(self.ewc, self.econfig, self.comm1)
     self.cspec = "obc:03524a4d6492e8d43cb6f3906a99be5a1bcd93916241f759812828b301f25a6c:0:153267"
示例#11
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    def setUp(self):
        self.pwallet = PersistentWallet(None, True)
        self.pwallet.init_model()
        self.model = self.pwallet.get_model()
        adm = self.model.get_asset_definition_manager()

        # make sure you have the asset 'testobc' in your testnet.wallet !!
        self.asset = adm.get_asset_by_moniker('testobc')
        self.color_spec = self.asset.get_color_set().get_data()[0]

        self.comm0 = MockComm()
        self.comm1 = MockComm()
        self.comm0.add_peer(self.comm1)
        self.comm1.add_peer(self.comm0)
        self.wc = WalletController(self.model)
        self.ewc = EWalletController(self.model, self.wc)
        self.econfig = {"offer_expiry_interval": 30, "ep_expiry_interval": 30}
        self.agent0 = EAgent(self.ewc, self.econfig, self.comm0)
        self.agent1 = EAgent(self.ewc, self.econfig, self.comm1)

        self.cv0 = {'color_spec': "", 'value': 100}
        self.cv1 = {'color_spec': self.color_spec, 'value': 200}
        self.offer0 = MyEOffer(None, self.cv0, self.cv1)
        self.offer1 = MyEOffer(None, self.cv1, self.cv0)
示例#12
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class TestEWalletController(unittest.TestCase):
    def setUp(self):
        self.pwallet = PersistentWallet(None, True)
        self.pwallet.init_model()
        self.model = self.pwallet.get_model()
        adm = self.model.get_asset_definition_manager()

        # make sure you have the asset 'testobc' in your testnet.wallet !!
        self.asset = adm.get_asset_by_moniker('testobc')
        self.color_spec = self.asset.get_color_set().get_data()[0]

        self.wc = WalletController(self.model)
        self.ewc = EWalletController(self.model, self.wc)

        def null(a):
            pass

        self.wc.publish_tx = null

    def test_resolve_color_spec(self):
        self.cd = self.ewc.resolve_color_spec('')
        self.assertRaises(KeyError, self.ewc.resolve_color_spec, 'nonexistent')
        self.assertTrue(isinstance(self.cd, ColorDefinition))
        self.assertEqual(self.cd.get_color_id(), 0)

    def test_select_inputs(self):
        cv = SimpleColorValue(colordef=UNCOLORED_MARKER, value=10000000000000)
        self.assertRaises(InsufficientFundsError, self.ewc.select_inputs, cv)

    def test_tx_spec(self):
        alice_cv = {'color_spec': self.color_spec, 'value': 10}
        bob_cv = {'color_spec': "", 'value': 500}
        alice_offer = MyEOffer(None, alice_cv, bob_cv)
        bob_offer = MyEOffer(None, bob_cv, alice_cv)
        bob_etx = self.ewc.make_etx_spec(bob_cv, alice_cv)
        self.assertTrue(isinstance(bob_etx, ETxSpec))
        for target in bob_etx.targets:
            # check address
            address = target[0]
            self.assertTrue(isinstance(address, type(u"unicode")))
            # TODO check address is correct format

            # check color_spec
            color_spec = target[1]
            self.assertTrue(isinstance(color_spec, type("str")))
            color_spec_parts = len(color_spec.split(":"))
            self.assertTrue(color_spec_parts == 4 or color_spec_parts == 1)

            # check value
            value = target[2]
            self.assertTrue(isinstance(value, type(10)))
        signed = self.ewc.make_reply_tx(bob_etx, alice_cv, bob_cv)
        self.assertTrue(isinstance(signed, RawTxSpec))

        self.ewc.publish_tx(signed, alice_offer)

        alice_etx = self.ewc.make_etx_spec(alice_cv, bob_cv)
        self.assertTrue(isinstance(alice_etx, ETxSpec))
        for target in alice_etx.targets:
            # check address
            address = target[0]
            self.assertTrue(isinstance(address, type(u"unicode")))
            # TODO check address is correct format

            # check color_spec
            color_spec = target[1]
            self.assertTrue(isinstance(color_spec, type("str")))
            color_spec_parts = len(color_spec.split(":"))
            self.assertTrue(color_spec_parts == 4 or color_spec_parts == 1)

            # check value
            value = target[2]
            self.assertTrue(isinstance(value, type(10)))
        signed = self.ewc.make_reply_tx(alice_etx, bob_cv, alice_cv)
        self.assertTrue(isinstance(signed, RawTxSpec))

        oets = OperationalETxSpec(self.model, self.ewc)
        oets.set_our_value_limit(bob_cv)
        oets.prepare_inputs(alice_etx)
        zero = SimpleColorValue(colordef=UNCOLORED_MARKER, value=0)
        self.assertRaises(ZeroSelectError, oets.select_coins, zero)
        toomuch = SimpleColorValue(colordef=UNCOLORED_MARKER,
                                   value=10000000000000)
        self.assertRaises(InsufficientFundsError, oets.select_coins, toomuch)
示例#13
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class TestEWalletController(unittest.TestCase):
    def setUp(self):
        self.path = ":memory:"
        self.config = {
            'hdw_master_key':
            '91813223e97697c42f05e54b3a85bae601f04526c5c053ff0811747db77cfdf5f1accb50b3765377c379379cd5aa512c38bf24a57e4173ef592305d16314a0f4',
            'testnet': True,
            'ccc': {
                'colordb_path': self.path
            },
        }
        self.pwallet = PersistentWallet(self.path, self.config)
        self.pwallet.init_model()
        self.model = self.pwallet.get_model()
        self.wc = WalletController(self.model)

        self.ewc = EWalletController(self.model, self.wc)
        self.bcolorset = self.ewc.resolve_color_spec('')
        self.cspec = "obc:03524a4d6492e8d43cb6f3906a99be5a1bcd93916241f759812828b301f25a6c:0:153267"

    def add_coins(self):
        self.config['asset_definitions'] = [
            {
                "color_set": [""],
                "monikers": ["bitcoin"],
                "unit": 100000000
            },
            {
                "color_set": [self.cspec],
                "monikers": ['test'],
                "unit": 1
            },
        ]
        self.config['hdwam'] = {
            "genesis_color_sets": [
                [self.cspec],
            ],
            "color_set_states": [
                {
                    "color_set": [""],
                    "max_index": 1
                },
                {
                    "color_set": [self.cspec],
                    "max_index": 7
                },
            ]
        }
        self.config['bip0032'] = True
        self.pwallet = PersistentWallet(self.path, self.config)
        self.pwallet.init_model()
        self.model = self.pwallet.get_model()
        self.ewc.model = self.model
        self.wc.model = self.model
        # modify model colored coin context, so test runs faster
        ccc = self.model.ccc
        cdbuilder = ColorDataBuilderManager(ccc.colormap, ccc.blockchain_state,
                                            ccc.cdstore, ccc.metastore,
                                            AidedColorDataBuilder)

        ccc.colordata = ThinColorData(cdbuilder, ccc.blockchain_state,
                                      ccc.cdstore, ccc.colormap)

        # need to query the blockchain
        self.model.utxo_man.update_all()

        adm = self.model.get_asset_definition_manager()
        asset = adm.get_asset_by_moniker('test')
        cq = self.model.make_coin_query({"asset": asset})
        utxo_list = cq.get_result()

    def test_resolve_color_spec(self):
        self.assertRaises(InvalidColorIdError, self.ewc.resolve_color_spec,
                          'nonexistent')
        self.assertTrue(isinstance(self.bcolorset, ColorSet))
        self.assertEqual(self.bcolorset.color_id_set, set([0]))

    def test_select_inputs(self):
        cv = SimpleColorValue(colordef=UNCOLORED_MARKER, value=1)
        self.assertRaises(InsufficientFundsError, self.ewc.select_inputs, cv)

    def test_tx_spec(self):
        self.add_colors()

        our = SimpleColorValue(colordef=UNCOLORED_MARKER, value=500)
        colormap = self.model.get_color_map()
        colordef = colormap.get_color_def(self.cspec)
        their = SimpleColorValue(colordef=colordef, value=10)
        etx = self.ewc.make_etx_spec(our, their)
        self.assertTrue(isinstance(etx, ETxSpec))
        for target in etx.targets:
            self.assertTrue(isinstance(target, ColorTarget))
        signed = self.ewc.make_reply_tx(etx, our, their)
        self.assertTrue(isinstance(signed, RawTxSpec))

        self.ewc.publish_tx(signed)

        etx = self.ewc.make_etx_spec(their, our)
        self.assertTrue(isinstance(etx, ETxSpec))
        for target in etx.targets:
            self.assertTrue(isinstance(target, ColorTarget))
        signed = self.ewc.make_reply_tx(etx, their, our)
        self.assertTrue(isinstance(signed, RawTxSpec))

        oets = OperationalETxSpec(self.model, self.ewc)
        zero = SimpleColorValue(colordef=UNCOLORED_MARKER, value=0)
        self.assertRaises(ZeroSelectError, oets.select_coins, zero)
        toomuch = SimpleColorValue(colordef=UNCOLORED_MARKER,
                                   value=10000000000000)
        self.assertRaises(InsufficientFundsError, oets.select_coins, toomuch)
示例#14
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 def _init_p2ptrade(self):
     ewctrl = EWalletController(self.model, self.controller)
     config = {"offer_expiry_interval": 30, "ep_expiry_interval": 30}
     comm = HTTPComm(config, 'http://p2ptrade.btx.udoidio.info/messages')
     return EAgent(ewctrl, config, comm)
示例#15
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class TestEWalletController(unittest.TestCase):

    def setUp(self):
        self.path = ":memory:"
        self.config = {
            'hdw_master_key':
                '91813223e97697c42f05e54b3a85bae601f04526c5c053ff0811747db77cfdf5f1accb50b3765377c379379cd5aa512c38bf24a57e4173ef592305d16314a0f4',
            'testnet': True,
            'ccc': {'colordb_path' : self.path},
            }
        self.pwallet = PersistentWallet(self.path, self.config)
        self.pwallet.init_model()
        self.model = self.pwallet.get_model()
        self.wc = WalletController(self.model)

        self.ewc = EWalletController(self.model, self.wc)
        self.bcolorset =self.ewc.resolve_color_spec('')
        self.cspec = "obc:03524a4d6492e8d43cb6f3906a99be5a1bcd93916241f759812828b301f25a6c:0:153267"

    def add_coins(self):
        self.config['asset_definitions'] = [
            {"color_set": [""], "monikers": ["bitcoin"], "unit": 100000000},  
            {"color_set": [self.cspec], "monikers": ['test'], "unit": 1},]
        self.config['hdwam'] = {
            "genesis_color_sets": [ 
                [self.cspec],
                ],
            "color_set_states": [
                {"color_set": [""], "max_index": 1},
                {"color_set": [self.cspec], "max_index": 7},
                ]
            }
        self.config['bip0032'] = True
        self.pwallet = PersistentWallet(self.path, self.config)
        self.pwallet.init_model()
        self.model = self.pwallet.get_model()
        self.ewc.model = self.model
        self.wc.model = self.model
        # modify model colored coin context, so test runs faster
        ccc = self.model.ccc
        cdbuilder = ColorDataBuilderManager(
            ccc.colormap, ccc.blockchain_state, ccc.cdstore,
            ccc.metastore, AidedColorDataBuilder)

        ccc.colordata = ThinColorData(
            cdbuilder, ccc.blockchain_state, ccc.cdstore, ccc.colormap)

        # need to query the blockchain
        self.model.utxo_man.update_all()

        adm = self.model.get_asset_definition_manager()
        asset = adm.get_asset_by_moniker('test')
        cq = self.model.make_coin_query({"asset": asset})
        utxo_list = cq.get_result()


    def test_resolve_color_spec(self):
        self.assertRaises(InvalidColorIdError,
                          self.ewc.resolve_color_spec, 'nonexistent')
        self.assertTrue(isinstance(self.bcolorset, ColorSet))
        self.assertEqual(self.bcolorset.color_id_set, set([0]))

    def test_select_inputs(self):
        cv = SimpleColorValue(colordef=UNCOLORED_MARKER, value=1)
        self.assertRaises(InsufficientFundsError, self.ewc.select_inputs, cv)
        
    def test_tx_spec(self):
        self.add_colors()

        our = SimpleColorValue(colordef=UNCOLORED_MARKER, value=500)
        colormap = self.model.get_color_map()
        colordef = colormap.get_color_def(self.cspec)
        their = SimpleColorValue(colordef=colordef, value=10)
        etx = self.ewc.make_etx_spec(our, their)
        self.assertTrue(isinstance(etx, ETxSpec))
        for target in etx.targets:
            self.assertTrue(isinstance(target, ColorTarget))
        signed = self.ewc.make_reply_tx(etx, our, their)
        self.assertTrue(isinstance(signed, RawTxSpec))

        self.ewc.publish_tx(signed)

        etx = self.ewc.make_etx_spec(their, our)
        self.assertTrue(isinstance(etx, ETxSpec))
        for target in etx.targets:
            self.assertTrue(isinstance(target, ColorTarget))
        signed = self.ewc.make_reply_tx(etx, their, our)
        self.assertTrue(isinstance(signed, RawTxSpec))

        oets = OperationalETxSpec(self.model, self.ewc)
        zero = SimpleColorValue(colordef=UNCOLORED_MARKER, value=0)
        self.assertRaises(ZeroSelectError, oets.select_coins, zero)
        toomuch = SimpleColorValue(colordef=UNCOLORED_MARKER, value=10000000000000)
        self.assertRaises(InsufficientFundsError, oets.select_coins, toomuch)
示例#16
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class TestEWalletController(unittest.TestCase):

    def setUp(self):
        self.pwallet = PersistentWallet(None, True)
        self.pwallet.init_model()
        self.model = self.pwallet.get_model()
        adm = self.model.get_asset_definition_manager()

        # make sure you have the asset 'testobc' in your testnet.wallet !!
        self.asset = adm.get_asset_by_moniker('testobc')
        self.color_spec = self.asset.get_color_set().get_data()[0]

        self.wc = WalletController(self.model)
        self.ewc = EWalletController(self.model, self.wc)

        def null(a):
            pass
        self.wc.publish_tx = null

    def test_resolve_color_spec(self):
        self.cd =self.ewc.resolve_color_spec('')
        self.assertRaises(KeyError, self.ewc.resolve_color_spec, 'nonexistent')
        self.assertTrue(isinstance(self.cd, ColorDefinition))
        self.assertEqual(self.cd.get_color_id(), 0)

    def test_select_inputs(self):
        cv = SimpleColorValue(colordef=UNCOLORED_MARKER, value=10000000000000)
        self.assertRaises(InsufficientFundsError, self.ewc.select_inputs, cv)
        
    def test_tx_spec(self):
        alice_cv = { 'color_spec' : self.color_spec, 'value' : 10 }
        bob_cv = { 'color_spec' : "", 'value' : 500 }
        alice_offer = MyEOffer(None, alice_cv, bob_cv)
        bob_offer = MyEOffer(None, bob_cv, alice_cv)
        bob_etx = self.ewc.make_etx_spec(bob_cv, alice_cv)
        self.assertTrue(isinstance(bob_etx, ETxSpec))
        for target in bob_etx.targets:
            # check address
            address = target[0]
            self.assertTrue(isinstance(address, type(u"unicode")))
            # TODO check address is correct format

            # check color_spec
            color_spec = target[1]
            self.assertTrue(isinstance(color_spec, type("str")))
            color_spec_parts = len(color_spec.split(":"))
            self.assertTrue(color_spec_parts == 4 or color_spec_parts == 1)

            # check value
            value = target[2]
            self.assertTrue(isinstance(value, type(10)))
        signed = self.ewc.make_reply_tx(bob_etx, alice_cv, bob_cv)
        self.assertTrue(isinstance(signed, RawTxSpec))

        self.ewc.publish_tx(signed, alice_offer)

        alice_etx = self.ewc.make_etx_spec(alice_cv, bob_cv)
        self.assertTrue(isinstance(alice_etx, ETxSpec))
        for target in alice_etx.targets:
            # check address
            address = target[0]
            self.assertTrue(isinstance(address, type(u"unicode")))
            # TODO check address is correct format

            # check color_spec
            color_spec = target[1]
            self.assertTrue(isinstance(color_spec, type("str")))
            color_spec_parts = len(color_spec.split(":"))
            self.assertTrue(color_spec_parts == 4 or color_spec_parts == 1)

            # check value
            value = target[2]
            self.assertTrue(isinstance(value, type(10)))
        signed = self.ewc.make_reply_tx(alice_etx, bob_cv, alice_cv)
        self.assertTrue(isinstance(signed, RawTxSpec))

        oets = OperationalETxSpec(self.model, self.ewc)
        oets.set_our_value_limit(bob_cv)
        oets.prepare_inputs(alice_etx)
        zero = SimpleColorValue(colordef=UNCOLORED_MARKER, value=0)
        self.assertRaises(ZeroSelectError, oets.select_coins, zero)
        toomuch = SimpleColorValue(colordef=UNCOLORED_MARKER, value=10000000000000)
        self.assertRaises(InsufficientFundsError, oets.select_coins, toomuch)