def test_bip91(self):
block_raw = bytes.fromhex(
"1200002028856ec5bca29cf76980d368b0a163a0bb81fc192951270100000000000000003288f32a2831833c31a25401c52093eb545d28157e200a64b21b3ae8f21c507401877b5935470118144dbfd1"
)
stream = BytesIO(block_raw)
block = Block.parse_header(stream)
self.assertTrue(block.bip91())
block_raw = bytes.fromhex(
"020000208ec39428b17323fa0ddec8e887b4a7c53b8c0a0a220cfd0000000000000000005b0750fce0a889502d40508d39576821155e9c9e3f5c3157f961db38fd8b25be1e77a759e93c0118a4ffd71d"
)
stream = BytesIO(block_raw)
block = Block.parse_header(stream)
self.assertFalse(block.bip91())
def test_bip141(self):
block_raw = bytes.fromhex(
"020000208ec39428b17323fa0ddec8e887b4a7c53b8c0a0a220cfd0000000000000000005b0750fce0a889502d40508d39576821155e9c9e3f5c3157f961db38fd8b25be1e77a759e93c0118a4ffd71d"
)
stream = BytesIO(block_raw)
block = Block.parse_header(stream)
self.assertTrue(block.bip141())
block_raw = bytes.fromhex(
"0000002066f09203c1cf5ef1531f24ed21b1915ae9abeb691f0d2e0100000000000000003de0976428ce56125351bae62c5b8b8c79d8297c702ea05d60feabb4ed188b59c36fa759e93c0118b74b2618"
)
stream = BytesIO(block_raw)
block = Block.parse_header(stream)
self.assertFalse(block.bip141())
def test_check_pow(self):
block_raw = bytes.fromhex(
"04000000fbedbbf0cfdaf278c094f187f2eb987c86a199da22bbb20400000000000000007b7697b29129648fa08b4bcd13c9d5e60abb973a1efac9c8d573c71c807c56c3d6213557faa80518c3737ec1"
)
stream = BytesIO(block_raw)
block = Block.parse_header(stream)
self.assertTrue(block.check_pow())
block_raw = bytes.fromhex(
"04000000fbedbbf0cfdaf278c094f187f2eb987c86a199da22bbb20400000000000000007b7697b29129648fa08b4bcd13c9d5e60abb973a1efac9c8d573c71c807c56c3d6213557faa80518c3737ec0"
)
stream = BytesIO(block_raw)
block = Block.parse_header(stream)
self.assertFalse(block.check_pow())
def test_bip9(self):
block_raw = bytes.fromhex(
"020000208ec39428b17323fa0ddec8e887b4a7c53b8c0a0a220cfd0000000000000000005b0750fce0a889502d40508d39576821155e9c9e3f5c3157f961db38fd8b25be1e77a759e93c0118a4ffd71d"
)
stream = BytesIO(block_raw)
block = Block.parse_header(stream)
self.assertTrue(block.bip9())
block_raw = bytes.fromhex(
"0400000039fa821848781f027a2e6dfabbf6bda920d9ae61b63400030000000000000000ecae536a304042e3154be0e3e9a8220e5568c3433a9ab49ac4cbb74f8df8e8b0cc2acf569fb9061806652c27"
)
stream = BytesIO(block_raw)
block = Block.parse_header(stream)
self.assertFalse(block.bip9())
def test_serialize(self):
block_raw = bytes.fromhex(
"020000208ec39428b17323fa0ddec8e887b4a7c53b8c0a0a220cfd0000000000000000005b0750fce0a889502d40508d39576821155e9c9e3f5c3157f961db38fd8b25be1e77a759e93c0118a4ffd71d"
)
stream = BytesIO(block_raw)
block = Block.parse_header(stream)
self.assertEqual(block.serialize(), block_raw)
def test_target(self):
block_raw = bytes.fromhex(
'020000208ec39428b17323fa0ddec8e887b4a7c53b8c0a0a220cfd0000000000000000005b0750fce0a889502d40508d39576821155e9c9e3f5c3157f961db38fd8b25be1e77a759e93c0118a4ffd71d'
)
stream = BytesIO(block_raw)
block = Block.parse_header(stream)
self.assertEqual(block.target(),
0x13ce9000000000000000000000000000000000000000000)
self.assertEqual(int(block.difficulty()), 888171856257)
def test_hash(self):
block_raw = bytes.fromhex(
'020000208ec39428b17323fa0ddec8e887b4a7c53b8c0a0a220cfd0000000000000000005b0750fce0a889502d40508d39576821155e9c9e3f5c3157f961db38fd8b25be1e77a759e93c0118a4ffd71d'
)
stream = BytesIO(block_raw)
block = Block.parse_header(stream)
self.assertEqual(
block.hash(),
bytes.fromhex(
'0000000000000000007e9e4c586439b0cdbe13b1370bdd9435d76a644d047523'
))
def test_parse(self):
block_raw = bytes.fromhex(
'020000208ec39428b17323fa0ddec8e887b4a7c53b8c0a0a220cfd0000000000000000005b0750fce0a889502d40508d39576821155e9c9e3f5c3157f961db38fd8b25be1e77a759e93c0118a4ffd71d'
)
stream = BytesIO(block_raw)
block = Block.parse_header(stream)
self.assertEqual(block.version, 0x20000002)
want = bytes.fromhex(
'000000000000000000fd0c220a0a8c3bc5a7b487e8c8de0dfa2373b12894c38e')
self.assertEqual(block.prev_block, want)
want = bytes.fromhex(
'be258bfd38db61f957315c3f9e9c5e15216857398d50402d5089a8e0fc50075b')
self.assertEqual(block.merkle_root, want)
self.assertEqual(block.timestamp, 0x59a7771e)
self.assertEqual(block.bits, bytes.fromhex('e93c0118'))
self.assertEqual(block.nonce, bytes.fromhex('a4ffd71d'))
def test_validate_merkle_root(self):
hashes_hex = [
'f54cb69e5dc1bd38ee6901e4ec2007a5030e14bdd60afb4d2f3428c88eea17c1',
'c57c2d678da0a7ee8cfa058f1cf49bfcb00ae21eda966640e312b464414731c1',
'b027077c94668a84a5d0e72ac0020bae3838cb7f9ee3fa4e81d1eecf6eda91f3',
'8131a1b8ec3a815b4800b43dff6c6963c75193c4190ec946b93245a9928a233d',
'ae7d63ffcb3ae2bc0681eca0df10dda3ca36dedb9dbf49e33c5fbe33262f0910',
'61a14b1bbdcdda8a22e61036839e8b110913832efd4b086948a6a64fd5b3377d',
'fc7051c8b536ac87344c5497595d5d2ffdaba471c73fae15fe9228547ea71881',
'77386a46e26f69b3cd435aa4faac932027f58d0b7252e62fb6c9c2489887f6df',
'59cbc055ccd26a2c4c4df2770382c7fea135c56d9e75d3f758ac465f74c025b8',
'7c2bf5687f19785a61be9f46e031ba041c7f93e2b7e9212799d84ba052395195',
'08598eebd94c18b0d59ac921e9ba99e2b8ab7d9fccde7d44f2bd4d5e2e726d2e',
'f0bb99ef46b029dd6f714e4b12a7d796258c48fee57324ebdc0bbc4700753ab1',
]
hashes = [bytes.fromhex(x) for x in hashes_hex]
stream = BytesIO(
bytes.fromhex(
'00000020fcb19f7895db08cadc9573e7915e3919fb76d59868a51d995201000000000000acbcab8bcc1af95d8d563b77d24c3d19b18f1486383d75a5085c4e86c86beed691cfa85916ca061a00000000'
))
block = Block.parse_header(stream)
block.tx_hashes = hashes
self.assertTrue(block.validate_merkle_root())