trezor-firmware/core/tests/test_apps.ripple.serializer.py

from common import *
from trezor.messages.RipplePayment import RipplePayment
from trezor.messages.RippleSignTx import RippleSignTx

from apps.ripple.serialize import serialize, serialize_amount
from apps.ripple.sign_tx import get_network_prefix


class TestRippleSerializer(unittest.TestCase):
    def test_amount(self):
        # https://github.com/ripple/ripple-binary-codec/blob/4581f1b41e712f545ba08be15e188a557c731ecf/test/fixtures/data-driven-tests.json#L2494
        self.assertEqual(serialize_amount(0), unhexlify("4000000000000000"))
        self.assertEqual(serialize_amount(1), unhexlify("4000000000000001"))
        self.assertEqual(serialize_amount(93493429243), unhexlify("40000015c4a483fb"))
        with self.assertRaises(ValueError):
            serialize_amount(1000000000000000000)  # too large
        with self.assertRaises(ValueError):
            serialize_amount(-1)  # negative not supported
        with self.assertRaises(Exception):
            serialize_amount(1.1)  # float numbers not supported

    def test_transactions(self):
        # from https://github.com/miracle2k/ripple-python
        source_address = "r3P9vH81KBayazSTrQj6S25jW6kDb779Gi"
        payment = RipplePayment(200000000, "r3kmLJN5D28dHuH8vZNUZpMC43pEHpaocV")
        common = RippleSignTx(None, 10, None, 1, None, payment)
        self.assertEqual(serialize(common, source_address), unhexlify(
            "120000240000000161400000000bebc20068400000000000000a811450f97a072f1c4357f1ad84566a609479d927c9428314550fc62003e785dc231a1058a05e56e3f09cf4e6"
        ))

        source_address = "r3kmLJN5D28dHuH8vZNUZpMC43pEHpaocV"
        payment = RipplePayment(1, "r3P9vH81KBayazSTrQj6S25jW6kDb779Gi")
        common = RippleSignTx(None, 99, None, 99, None, payment)
        self.assertEqual(serialize(common, source_address), unhexlify(
            "12000024000000636140000000000000016840000000000000638114550fc62003e785dc231a1058a05e56e3f09cf4e6831450f97a072f1c4357f1ad84566a609479d927c942"
        ))

        # https://github.com/ripple/ripple-binary-codec/blob/4581f1b41e712f545ba08be15e188a557c731ecf/test/fixtures/data-driven-tests.json#L1579
        source_address = "r9TeThyi5xiuUUrFjtPKZiHcDxs7K9H6Rb"
        payment = RipplePayment(25000000, "r4BPgS7DHebQiU31xWELvZawwSG2fSPJ7C")
        common = RippleSignTx(None, 10, 0, 2, None, payment)
        self.assertEqual(serialize(common, source_address), unhexlify(
            "120000220000000024000000026140000000017d784068400000000000000a81145ccb151f6e9d603f394ae778acf10d3bece874f68314e851bbbe79e328e43d68f43445368133df5fba5a"
        ))

        # https://github.com/ripple/ripple-binary-codec/blob/4581f1b41e712f545ba08be15e188a557c731ecf/test/fixtures/data-driven-tests.json#L1651
        source_address = "rGWTUVmm1fB5QUjMYn8KfnyrFNgDiD9H9e"
        payment = RipplePayment(200000, "rw71Qs1UYQrSQ9hSgRohqNNQcyjCCfffkQ")
        common = RippleSignTx(None, 15, 0, 144, None, payment)
        # 201b005ee9ba removed from the test vector because last ledger sequence is not supported
        self.assertEqual(serialize(common, source_address), unhexlify(
            "12000022000000002400000090614000000000030d4068400000000000000f8114aa1bd19d9e87be8069fdbf6843653c43837c03c6831467fe6ec28e0464dd24fb2d62a492aac697cfad02"
        ))

        # https://github.com/ripple/ripple-binary-codec/blob/4581f1b41e712f545ba08be15e188a557c731ecf/test/fixtures/data-driven-tests.json#L1732
        source_address = "r4BPgS7DHebQiU31xWELvZawwSG2fSPJ7C"
        payment = RipplePayment(25000000, "rBqSFEFg2B6GBMobtxnU1eLA1zbNC9NDGM", 4146942154)
        common = RippleSignTx(None, 12, 0, 1, None, payment)
        self.assertEqual(serialize(common, source_address), unhexlify(
            "120000220000000024000000012ef72d50ca6140000000017d784068400000000000000c8114e851bbbe79e328e43d68f43445368133df5fba5a831476dac5e814cd4aa74142c3ab45e69a900e637aa2"
        ))

    def test_transactions_for_signing(self):
        # https://github.com/ripple/ripple-binary-codec/blob/4581f1b41e712f545ba08be15e188a557c731ecf/test/signing-data-encoding-test.js
        source_address = "r9LqNeG6qHxjeUocjvVki2XR35weJ9mZgQ"
        payment = RipplePayment(1000, "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh")
        common = RippleSignTx(None, 10, 2147483648, 1, None, payment)

        tx = serialize(
            common,
            source_address,
            pubkey=unhexlify(
                "ed5f5ac8b98974a3ca843326d9b88cebd0560177b973ee0b149f782cfaa06dc66a"
            ),
        )
        tx = get_network_prefix() + tx

        self.assertEqual(tx[0:4], unhexlify("53545800"))  # signing prefix
        self.assertEqual(tx[4:7], unhexlify("120000"))  # transaction type
        self.assertEqual(tx[7:12], unhexlify("2280000000"))  # flags
        self.assertEqual(tx[12:17], unhexlify("2400000001"))  # sequence
        self.assertEqual(tx[17:26], unhexlify("6140000000000003e8"))  # amount
        self.assertEqual(tx[26:35], unhexlify("68400000000000000a"))  # fee
        self.assertEqual(tx[35:70], unhexlify(
            "7321ed5f5ac8b98974a3ca843326d9b88cebd0560177b973ee0b149f782cfaa06dc66a"
        ))  # signing pub key
        self.assertEqual(tx[70:92], unhexlify(
            "81145b812c9d57731e27a2da8b1830195f88ef32a3b6"
        ))  # account
        self.assertEqual(tx[92:114], unhexlify(
            "8314b5f762798a53d543a014caf8b297cff8f2f937e8"
        ))  # destination
        self.assertEqual(len(tx[114:]), 0)  # that's it


if __name__ == "__main__":
    unittest.main()