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trezor-firmware/core/tests/test_apps.ethereum.layout.py
Konnor Klashinsky fe65a70dce Do not display token values in Wei for low-decimal value tokens (#141)
* Do not display token values in Wei for low-decimal value tokens

* update logic

* add unit tests
2019-05-16 12:50:23 +02:00

90 lines
4.1 KiB
Python

from common import *
from apps.ethereum.layout import format_ethereum_amount
from apps.ethereum.tokens import token_by_chain_address
class TestEthereumLayout(unittest.TestCase):
def test_format(self):
text = format_ethereum_amount(1, None, 1)
self.assertEqual(text, '1 Wei ETH')
text = format_ethereum_amount(1000, None, 1)
self.assertEqual(text, '1000 Wei ETH')
text = format_ethereum_amount(1000000, None, 1)
self.assertEqual(text, '1000000 Wei ETH')
text = format_ethereum_amount(10000000, None, 1)
self.assertEqual(text, '10000000 Wei ETH')
text = format_ethereum_amount(100000000, None, 1)
self.assertEqual(text, '100000000 Wei ETH')
text = format_ethereum_amount(1000000000, None, 1)
self.assertEqual(text, '0.000000001 ETH')
text = format_ethereum_amount(10000000000, None, 1)
self.assertEqual(text, '0.00000001 ETH')
text = format_ethereum_amount(100000000000, None, 1)
self.assertEqual(text, '0.0000001 ETH')
text = format_ethereum_amount(1000000000000, None, 1)
self.assertEqual(text, '0.000001 ETH')
text = format_ethereum_amount(10000000000000, None, 1)
self.assertEqual(text, '0.00001 ETH')
text = format_ethereum_amount(100000000000000, None, 1)
self.assertEqual(text, '0.0001 ETH')
text = format_ethereum_amount(1000000000000000, None, 1)
self.assertEqual(text, '0.001 ETH')
text = format_ethereum_amount(10000000000000000, None, 1)
self.assertEqual(text, '0.01 ETH')
text = format_ethereum_amount(100000000000000000, None, 1)
self.assertEqual(text, '0.1 ETH')
text = format_ethereum_amount(1000000000000000000, None, 1)
self.assertEqual(text, '1 ETH')
text = format_ethereum_amount(10000000000000000000, None, 1)
self.assertEqual(text, '10 ETH')
text = format_ethereum_amount(100000000000000000000, None, 1)
self.assertEqual(text, '100 ETH')
text = format_ethereum_amount(1000000000000000000000, None, 1)
self.assertEqual(text, '1000 ETH')
text = format_ethereum_amount(1000000000000000000, None, 61)
self.assertEqual(text, '1 ETC')
text = format_ethereum_amount(1000000000000000000, None, 31)
self.assertEqual(text, '1 tRBTC')
text = format_ethereum_amount(1000000000000000001, None, 1)
self.assertEqual(text, '1.000000000000000001 ETH')
text = format_ethereum_amount(10000000000000000001, None, 1)
self.assertEqual(text, '10.000000000000000001 ETH')
text = format_ethereum_amount(10000000000000000001, None, 61)
self.assertEqual(text, '10.000000000000000001 ETC')
text = format_ethereum_amount(1000000000000000001, None, 31)
self.assertEqual(text, '1.000000000000000001 tRBTC')
# unknown chain
text = format_ethereum_amount(1, None, 9999)
self.assertEqual(text, '1 Wei UNKN')
text = format_ethereum_amount(10000000000000000001, None, 9999)
self.assertEqual(text, '10.000000000000000001 UNKN')
# tokens with low decimal values
# USDC has 6 decimals
usdc_token = token_by_chain_address(1, bytes.fromhex("a0b86991c6218b36c1d19d4a2e9eb0ce3606eb48"))
# ICO has 10 decimals
ico_token = token_by_chain_address(1, bytes.fromhex("a33e729bf4fdeb868b534e1f20523463d9c46bee"))
# when decimals < 10, should never display 'Wei' format
text = format_ethereum_amount(1, usdc_token, 1)
self.assertEqual(text, '0.000001 USDC')
text = format_ethereum_amount(0, usdc_token, 1)
self.assertEqual(text, '0 USDC')
text = format_ethereum_amount(1, ico_token, 1)
self.assertEqual(text, '1 Wei ICO')
text = format_ethereum_amount(9, ico_token, 1)
self.assertEqual(text, '9 Wei ICO')
text = format_ethereum_amount(10, ico_token, 1)
self.assertEqual(text, '0.000000001 ICO')
text = format_ethereum_amount(11, ico_token, 1)
self.assertEqual(text, '0.0000000011 ICO')
if __name__ == '__main__':
unittest.main()