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Code Issues Releases Wiki Activity

no need to use byteindex/iterbytes anymore

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This commit is contained in:
Pavol Rusnak 2017-12-18 22:26:26 +01:00
parent f2a52400c3
commit a9291e89c5
No known key found for this signature in database
GPG Key ID: 91F3B339B9A02A3D
3 changed files with 9 additions and 34 deletions
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13
tests/device_tests/test_zerosig.py
View File

@ -25,13 +25,6 @@ import common
from trezorlib import messages as proto
if sys.version_info < (3,):
def byteindex(data, index):
return ord(data[index])
else:
def byteindex(data, index):
return data[index]
TXHASH_d5f65e = binascii.unhexlify('d5f65ee80147b4bcc70b75e4bbf2d7382021b871bd8867ef8fa525ef50864882')
@ -63,7 +56,7 @@ class TestZeroSig(common.TrezorTest):
tx = self.client.call(msg)
siglen = byteindex(tx.serialized_tx, 44)
siglen = tx.serialized_tx[44]
print(siglen)
if siglen < 67:
print("!!!!", n)
@ -89,7 +82,7 @@ class TestZeroSig(common.TrezorTest):
)
(signatures, serialized_tx) = self.client.sign_tx('Bitcoin', [inp1, ], [out1, ])
siglen = byteindex(serialized_tx, 44)
siglen = serialized_tx[44]
# TREZOR must strip leading zero from signature
self.assertEqual(siglen, 67)
@ -112,7 +105,7 @@ class TestZeroSig(common.TrezorTest):
)
(signatures, serialized_tx) = self.client.sign_tx('Bitcoin', [inp1, ], [out1, ])
siglen = byteindex(serialized_tx, 44)
siglen = serialized_tx[44]
# TREZOR must strip leading zero from signature
self.assertEqual(siglen, 66)

11
trezorlib/ckd_public.py
View File

@ -32,20 +32,13 @@ from . import messages as proto
PRIME_DERIVATION_FLAG = 0x80000000
if sys.version_info < (3,):
def byteindex(data, index):
return ord(data[index])
else:
def byteindex(data, index):
return data[index]
def point_to_pubkey(point):
order = SECP256k1.order
x_str = number_to_string(point.x(), order)
y_str = number_to_string(point.y(), order)
vk = x_str + y_str
return struct.pack('B', (byteindex(vk, 63) & 1) + 2) + vk[0:32] # To compressed key
return struct.pack('B', vk[63] & 1 + 2) + vk[0:32] # To compressed key
def sec_to_public_pair(pubkey):
@ -152,7 +145,7 @@ def deserialize(xpub):
node.chain_code = data[13:45]
key = data[45:-4]
if byteindex(key, 0) == 0:
if key[0] == 0:
node.private_key = key[1:]
else:
node.public_key = key

19
trezorlib/tools.py
View File

@ -22,17 +22,6 @@ import binascii
import struct
import sys
if sys.version_info < (3,):
def byteindex(data, index):
return ord(data[index])
def iterbytes(data):
return (ord(char) for char in data)
else:
def byteindex(data, index):
return data[index]
iterbytes = iter
def Hash(data):
return hashlib.sha256(hashlib.sha256(data).digest()).digest()
@ -52,8 +41,8 @@ def hash_160_to_bc_address(h160, address_type):
def compress_pubkey(public_key):
if byteindex(public_key, 0) == 4:
return bytes((byteindex(public_key, 64) & 1) + 2) + public_key[1:33]
if public_key[0] == 4:
return bytes(public_key[64] & 1 + 2) + public_key[1:33]
raise ValueError("Pubkey is already compressed")
@ -73,7 +62,7 @@ def b58encode(v):
""" encode v, which is a string of bytes, to base58."""
long_value = 0
for c in iterbytes(v):
for c in v:
long_value = long_value * 256 + c
result = ''
@ -86,7 +75,7 @@ def b58encode(v):
# Bitcoin does a little leading-zero-compression:
# leading 0-bytes in the input become leading-1s
nPad = 0
for c in iterbytes(v):
for c in v:
if c == 0:
nPad += 1
else: