Merge a66ba6d029 into merged_master (Bitcoin PR #18576)

This commit is contained in:
Andrew Poelstra 2020-11-26 01:08:35 +00:00
commit 503f615f81
3 changed files with 39 additions and 46 deletions

View file

@ -8,6 +8,7 @@ This file is modified from python-bitcoinlib.
"""
import hashlib
import struct
import unittest
from .messages import (
CTransaction,
@ -726,3 +727,25 @@ def SegwitV0SignatureHash(script, txTo, inIdx, hashtype, amount):
ss += struct.pack("<I", hashtype)
return hash256(ss)
class TestFrameworkScript(unittest.TestCase):
def test_bn2vch(self):
self.assertEqual(bn2vch(0), bytes([]))
self.assertEqual(bn2vch(1), bytes([0x01]))
self.assertEqual(bn2vch(-1), bytes([0x81]))
self.assertEqual(bn2vch(0x7F), bytes([0x7F]))
self.assertEqual(bn2vch(-0x7F), bytes([0xFF]))
self.assertEqual(bn2vch(0x80), bytes([0x80, 0x00]))
self.assertEqual(bn2vch(-0x80), bytes([0x80, 0x80]))
self.assertEqual(bn2vch(0xFF), bytes([0xFF, 0x00]))
self.assertEqual(bn2vch(-0xFF), bytes([0xFF, 0x80]))
self.assertEqual(bn2vch(0x100), bytes([0x00, 0x01]))
self.assertEqual(bn2vch(-0x100), bytes([0x00, 0x81]))
self.assertEqual(bn2vch(0x7FFF), bytes([0xFF, 0x7F]))
self.assertEqual(bn2vch(-0x8000), bytes([0x00, 0x80, 0x80]))
self.assertEqual(bn2vch(-0x7FFFFF), bytes([0xFF, 0xFF, 0xFF]))
self.assertEqual(bn2vch(0x80000000), bytes([0x00, 0x00, 0x00, 0x80, 0x00]))
self.assertEqual(bn2vch(-0x80000000), bytes([0x00, 0x00, 0x00, 0x80, 0x80]))
self.assertEqual(bn2vch(0xFFFFFFFF), bytes([0xFF, 0xFF, 0xFF, 0xFF, 0x00]))
self.assertEqual(bn2vch(123456789), bytes([0x15, 0xCD, 0x5B, 0x07]))
self.assertEqual(bn2vch(-54321), bytes([0x31, 0xD4, 0x80]))