mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-11-13 19:18:56 +00:00
34 lines
1.0 KiB
Python
34 lines
1.0 KiB
Python
|
|
||
|
|
LISK_CURVE = 'ed25519'
|
||
|
|
|
||
|
|
def get_address_from_public_key(public_key):
|
||
|
|
from trezor.crypto.hashlib import sha256
|
||
|
|
|
||
|
|
# logic from lisk-js library
|
||
|
|
# https://github.com/LiskHQ/lisk-js/blob/115e0e771e8456dc6c1d4acaabba93d975655cfe/lib/transactions/crypto/convert.js#L30
|
||
|
|
publicKeyHash = list(sha256(public_key).digest())
|
||
|
|
addressData = []
|
||
|
|
for i in range(8):
|
||
|
|
addressData.append(publicKeyHash[7 - i])
|
||
|
|
|
||
|
|
address = int.from_bytes(bytes(addressData), 'big')
|
||
|
|
return str(address) + "L"
|
||
|
|
|
||
|
|
def get_votes_count(votes):
|
||
|
|
plus, minus = [], []
|
||
|
|
for vote in votes:
|
||
|
|
plus.append(vote) if vote.startswith('+') else minus.append(vote)
|
||
|
|
return len(plus), len(minus)
|
||
|
|
|
||
|
|
def get_vote_tx_text(votes):
|
||
|
|
plus, minus = get_votes_count(votes)
|
||
|
|
text = []
|
||
|
|
if plus > 0:
|
||
|
|
text.append(_text_with_plural('Add', plus))
|
||
|
|
if minus > 0:
|
||
|
|
text.append(_text_with_plural('Remove', minus))
|
||
|
|
return text
|
||
|
|
|
||
|
|
def _text_with_plural(txt, value):
|
||
|
|
return '%s %s %s' % (txt, value, ('votes' if value != 1 else 'vote'))
|