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Code Issues Releases Wiki Activity

app.lisk: refactor helpers code

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This commit is contained in:
Aleksey Popov 2018-04-21 21:46:59 +03:00 committed by Jan Pochyla
parent b6949f6153
commit ea938b6301
1 changed files with 8 additions and 11 deletions
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19
src/apps/lisk/helpers.py
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@ -4,21 +4,18 @@ 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')
public_key_hash = sha256(public_key).digest()
address = int.from_bytes(public_key_hash[:8], 'little')
return str(address) + "L"
def get_votes_count(votes):
plus, minus = [], []
plus, minus = 0, 0
for vote in votes:
plus.append(vote) if vote.startswith('+') else minus.append(vote)
return len(plus), len(minus)
if vote.startswith('+'):
plus += 1
else:
minus += 1
return plus, minus
def get_vote_tx_text(votes):
plus, minus = get_votes_count(votes)