trezor-firmware/core/tests/test_apps.tezos.encode.py

from ubinascii import unhexlify

from common import *
from trezor.messages import TezosContractType
from trezor.messages.TezosContractID import TezosContractID

from apps.tezos.helpers import base58_decode_check, base58_encode_check, write_bool
from apps.tezos.sign_tx import (
    _encode_contract_id,
    _encode_data_with_bool_prefix,
    _encode_zarith,
)


class TestTezosEncoding(unittest.TestCase):
    def test_tezos_encode_zarith(self):
        inputs = [2000000, 159066, 200, 60000, 157000000, 0]
        outputs = ["80897a", "dada09", "c801", "e0d403", "c0c2ee4a", "00"]

        for i, o in zip(inputs, outputs):
            w = bytearray()
            _encode_zarith(w, i)
            self.assertEqual(bytes(w), unhexlify(o))

    def test_tezos_encode_data_with_bool_prefix(self):
        w = bytearray()
        _encode_data_with_bool_prefix(w, None)
        self.assertEqual(bytes(w), bytes([0]))

        data = "afffeb1dc3c0"
        w = bytearray()
        _encode_data_with_bool_prefix(w, unhexlify(data))
        self.assertEqual(bytes(w), unhexlify("ff" + data))

    def test_tezos_encode_bool(self):
        w = bytearray()
        write_bool(w, True)
        self.assertEqual(bytes(w), bytes([255]))

        w = bytearray()
        write_bool(w, False)
        self.assertEqual(bytes(w), bytes([0]))

    def test_tezos_encode_contract_id(self):
        implicit = TezosContractID(
            tag=TezosContractType.Implicit,
            hash=unhexlify("00101368afffeb1dc3c089facbbe23f5c30b787ce9"),
        )
        w = bytearray()
        _encode_contract_id(w, implicit)
        self.assertEqual(
            bytes(w), unhexlify("0000101368afffeb1dc3c089facbbe23f5c30b787ce9")
        )

        originated = TezosContractID(
            tag=TezosContractType.Originated,
            hash=unhexlify("65671dedc69669f066f45d586a2ecdeddacc95af00"),
        )
        w = bytearray()
        _encode_contract_id(w, originated)
        self.assertEqual(
            bytes(w), unhexlify("0165671dedc69669f066f45d586a2ecdeddacc95af00")
        )

    def test_tezos_base58_encode_check(self):
        pkh = unhexlify("101368afffeb1dc3c089facbbe23f5c30b787ce9")

        self.assertEqual(
            base58_encode_check(pkh, prefix="tz1"),
            "tz1M72kkAJrntPtayM4yU4CCwQPLSdpEgRrn",
        )
        self.assertEqual(
            base58_encode_check(pkh, prefix="tz2"),
            "tz29nEixktH9p9XTFX7p8hATUyeLxXEz96KR",
        )
        self.assertEqual(
            base58_encode_check(pkh, prefix="tz3"),
            "tz3Mo3gHekQhCmykfnC58ecqJLXrjMKzkF2Q",
        )
        self.assertEqual(base58_encode_check(pkh), "2U14dJ6ED97bBHDZTQWA6umVL8SAVefXj")

    def test_tezos_base58_decode_check(self):
        pkh = unhexlify("101368afffeb1dc3c089facbbe23f5c30b787ce9")

        address = "tz1M72kkAJrntPtayM4yU4CCwQPLSdpEgRrn"
        self.assertEqual(base58_decode_check(address, prefix="tz1"), pkh)

        address = "tz29nEixktH9p9XTFX7p8hATUyeLxXEz96KR"
        self.assertEqual(base58_decode_check(address, prefix="tz2"), pkh)

        address = "tz3Mo3gHekQhCmykfnC58ecqJLXrjMKzkF2Q"
        self.assertEqual(base58_decode_check(address, prefix="tz3"), pkh)

        address = "2U14dJ6ED97bBHDZTQWA6umVL8SAVefXj"
        self.assertEqual(base58_decode_check(address), pkh)


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