def test_from_nonstd_scriptPubKey(self):
"""CBitcoinAddress.from_scriptPubKey() with non-standard scriptPubKeys"""
# Bad P2SH scriptPubKeys
# non-canonical pushdata
scriptPubKey = CScript(
x('a94c14000000000000000000000000000000000000000087'))
with self.assertRaises(CBitcoinAddressError):
CBitcoinAddress.from_scriptPubKey(scriptPubKey)
# Bad P2PKH scriptPubKeys
# Missing a byte
scriptPubKey = CScript(
x('76a914000000000000000000000000000000000000000088'))
with self.assertRaises(CBitcoinAddressError):
CBitcoinAddress.from_scriptPubKey(scriptPubKey)
# One extra byte
scriptPubKey = CScript(
x('76a914000000000000000000000000000000000000000088acac'))
with self.assertRaises(CBitcoinAddressError):
CBitcoinAddress.from_scriptPubKey(scriptPubKey)
# One byte changed
scriptPubKey = CScript(
x('76a914000000000000000000000000000000000000000088ad'))
with self.assertRaises(CBitcoinAddressError):
CBitcoinAddress.from_scriptPubKey(scriptPubKey)
def test_from_invalid_pubkeys(self):
"""Create P2PKHBitcoinAddress's from invalid pubkeys"""
# first test with accept_invalid=True
def T(invalid_pubkey, expected_str_addr):
addr = P2PKHBitcoinAddress.from_pubkey(invalid_pubkey,
accept_invalid=True)
self.assertEqual(str(addr), expected_str_addr)
T(x(''), '1HT7xU2Ngenf7D4yocz2SAcnNLW7rK8d4E')
T(
x('0378d430274f8c5ec1321338151e9f27f4c676a008bdf8638d07c0b6be9ab35c72'
), '1L9V4NXbNtZsLjrD3nkU7gtEYLWRBWXLiZ')
# With accept_invalid=False we should get CBitcoinAddressError's
with self.assertRaises(CBitcoinAddressError):
P2PKHBitcoinAddress.from_pubkey(x(''))
with self.assertRaises(CBitcoinAddressError):
P2PKHBitcoinAddress.from_pubkey(
x('0378d430274f8c5ec1321338151e9f27f4c676a008bdf8638d07c0b6be9ab35c72'
))
with self.assertRaises(CBitcoinAddressError):
P2PKHBitcoinAddress.from_pubkey(
CPubKey(
x('0378d430274f8c5ec1321338151e9f27f4c676a008bdf8638d07c0b6be9ab35c72'
)))
def T(serialized1, serialized2, are_equal):
script1 = CScript(x(serialized1))
script2 = CScript(x(serialized2))
if are_equal:
self.assertEqual(script1, script2)
else:
self.assertNotEqual(script1, script2)
def test_bloom_create_insert_key(self):
filter = CBloomFilter(2, 0.001, 0, CBloomFilter.UPDATE_ALL)
pubkey = x('045B81F0017E2091E2EDCD5EECF10D5BDD120A5514CB3EE65B8447EC18BFC4575C6D5BF415E54E03B1067934A0F0BA76B01C6B9AB227142EE1D543764B69D901E0')
pubkeyhash = curium.core.Hash160(pubkey)
filter.insert(pubkey)
filter.insert(pubkeyhash)
self.assertEqual(filter.serialize(), x('038fc16b080000000000000001'))
def test_create_from_string(self):
"""Create CBitcoinAddress's from strings"""
def T(str_addr, expected_bytes, expected_nVersion, expected_class):
addr = CBitcoinAddress(str_addr)
self.assertEqual(addr.to_bytes(), expected_bytes)
self.assertEqual(addr.nVersion, expected_nVersion)
self.assertEqual(addr.__class__, expected_class)
T('1A1zP1eP5QGefi2DMPTfTL5SLmv7DivfNa',
x('62e907b15cbf27d5425399ebf6f0fb50ebb88f18'), 0,
P2PKHBitcoinAddress)
T('37k7toV1Nv4DfmQbmZ8KuZDQCYK9x5KpzP',
x('4266fc6f2c2861d7fe229b279a79803afca7ba34'), 5, P2SHBitcoinAddress)
def test_from_invalid_scriptPubKey(self):
"""CBitcoinAddress.from_scriptPubKey() with invalid scriptPubKeys"""
# We should raise a CBitcoinAddressError, not any other type of error
# Truncated P2SH
scriptPubKey = CScript(x('a91400000000000000000000000000000000000000'))
with self.assertRaises(CBitcoinAddressError):
CBitcoinAddress.from_scriptPubKey(scriptPubKey)
# Truncated P2PKH
scriptPubKey = CScript(
x('76a91400000000000000000000000000000000000000'))
with self.assertRaises(CBitcoinAddressError):
CBitcoinAddress.from_scriptPubKey(scriptPubKey)
def test_from_bare_checksig_scriptPubKey(self):
def T(hex_scriptpubkey, expected_str_address):
scriptPubKey = CScript(x(hex_scriptpubkey))
addr = P2PKHBitcoinAddress.from_scriptPubKey(scriptPubKey)
self.assertEqual(str(addr), expected_str_address)
# now test that CBitcoinAddressError is raised with accept_non_canonical_pushdata=False
with self.assertRaises(CBitcoinAddressError):
P2PKHBitcoinAddress.from_scriptPubKey(
scriptPubKey, accept_bare_checksig=False)
# compressed
T(
'21000000000000000000000000000000000000000000000000000000000000000000ac',
'14p5cGy5DZmtNMQwTQiytBvxMVuTmFMSyU')
# uncompressed
T(
'410000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000ac',
'1QLFaVVt99p1y18zWSZnespzhkFxjwBbdP')
# non-canonical encoding
T(
'4c21000000000000000000000000000000000000000000000000000000000000000000ac',
'14p5cGy5DZmtNMQwTQiytBvxMVuTmFMSyU')
# odd-lengths are *not* accepted
with self.assertRaises(CBitcoinAddressError):
P2PKHBitcoinAddress.from_scriptPubKey(
x('2200000000000000000000000000000000000000000000000000000000000000000000ac'
))
def getblockheader(self, block_hash, verbose=False):
"""Get block header <block_hash>
verbose - If true a dict is returned with the values returned by
getblockheader that are not in the block header itself
(height, nextblockhash, etc.)
Raises IndexError if block_hash is not valid.
"""
try:
block_hash = b2lx(block_hash)
except TypeError:
raise TypeError(
'%s.getblockheader(): block_hash must be bytes; got %r instance'
% (self.__class__.__name__, block_hash.__class__))
try:
r = self._call('getblockheader', block_hash, verbose)
except InvalidAddressOrKeyError as ex:
raise IndexError('%s.getblockheader(): %s (%d)' %
(self.__class__.__name__, ex.error['message'],
ex.error['code']))
if verbose:
nextblockhash = None
if 'nextblockhash' in r:
nextblockhash = lx(r['nextblockhash'])
return {
'confirmations': r['confirmations'],
'height': r['height'],
'mediantime': r['mediantime'],
'nextblockhash': nextblockhash,
'chainwork': x(r['chainwork'])
}
else:
return CBlockHeader.deserialize(unhexlify(r))
def T(hex_scriptpubkey, expected_str_address):
scriptPubKey = CScript(x(hex_scriptpubkey))
addr = P2PKHBitcoinAddress.from_scriptPubKey(scriptPubKey)
self.assertEqual(str(addr), expected_str_address)
# now test that CBitcoinAddressError is raised with accept_non_canonical_pushdata=False
with self.assertRaises(CBitcoinAddressError):
P2PKHBitcoinAddress.from_scriptPubKey(
scriptPubKey, accept_bare_checksig=False)
def T(serialized_script, expected_tokens, test_roundtrip=True):
serialized_script = x(serialized_script)
script_obj = CScript(serialized_script)
actual_tokens = list(script_obj)
self.assertEqual(actual_tokens, expected_tokens)
if test_roundtrip:
recreated_script = CScript(actual_tokens)
self.assertEqual(recreated_script, serialized_script)
def test_from_valid_pubkey(self):
"""Create P2PKHBitcoinAddress's from valid pubkeys"""
def T(pubkey, expected_str_addr):
addr = P2PKHBitcoinAddress.from_pubkey(pubkey)
self.assertEqual(str(addr), expected_str_addr)
T(
x('0378d430274f8c5ec1321338151e9f27f4c676a008bdf8638d07c0b6be9ab35c71'
), '1C7zdTfnkzmr13HfA2vNm5SJYRK6nEKyq8')
T(
x('0478d430274f8c5ec1321338151e9f27f4c676a008bdf8638d07c0b6be9ab35c71a1518063243acd4dfe96b66e3f2ec8013c8e072cd09b3834a19f81f659cc3455'
), '1JwSSubhmg6iPtRjtyqhUYYH7bZg3Lfy1T')
T(
CPubKey(
x('0378d430274f8c5ec1321338151e9f27f4c676a008bdf8638d07c0b6be9ab35c71'
)), '1C7zdTfnkzmr13HfA2vNm5SJYRK6nEKyq8')
T(
CPubKey(
x('0478d430274f8c5ec1321338151e9f27f4c676a008bdf8638d07c0b6be9ab35c71a1518063243acd4dfe96b66e3f2ec8013c8e072cd09b3834a19f81f659cc3455'
)), '1JwSSubhmg6iPtRjtyqhUYYH7bZg3Lfy1T')
def test_create_insert_serialize(self):
filter = CBloomFilter(3, 0.01, 0, CBloomFilter.UPDATE_ALL)
def T(elem):
"""Filter contains elem"""
elem = x(elem)
filter.insert(elem)
self.assertTrue(filter.contains(elem))
def F(elem):
"""Filter does not contain elem"""
elem = x(elem)
self.assertFalse(filter.contains(elem))
T('99108ad8ed9bb6274d3980bab5a85c048f0950c8')
F('19108ad8ed9bb6274d3980bab5a85c048f0950c8')
T('b5a2c786d9ef4658287ced5914b37a1b4aa32eee')
T('b9300670b4c5366e95b2699e8b18bc75e5f729c5')
self.assertEqual(filter.serialize(), x('03614e9b050000000000000001'))
deserialized = CBloomFilter.deserialize(x('03614e9b050000000000000001'))
self.assertTrue(deserialized.contains(x('99108ad8ed9bb6274d3980bab5a85c048f0950c8')))
self.assertFalse(deserialized.contains(x('19108ad8ed9bb6274d3980bab5a85c048f0950c8')))
self.assertTrue(deserialized.contains(x('b5a2c786d9ef4658287ced5914b37a1b4aa32eee')))
self.assertTrue(deserialized.contains(x('b9300670b4c5366e95b2699e8b18bc75e5f729c5')))
def test_repr(self):
def T(script, expected_repr):
actual_repr = repr(script)
self.assertEqual(actual_repr, expected_repr)
T(CScript([]), 'CScript([])')
T(CScript([1]), 'CScript([1])')
T(CScript([1, 2, 3]), 'CScript([1, 2, 3])')
T(
CScript(
[1, x('7ac977d8373df875eceda362298e5d09d4b72b53'), OP_DROP]),
"CScript([1, x('7ac977d8373df875eceda362298e5d09d4b72b53'), OP_DROP])"
)
T(CScript(x('0001ff515261ff')),
"CScript([0, x('ff'), 1, 2, OP_NOP, OP_INVALIDOPCODE])")
# truncated scripts
T(CScript(x('6101')),
"CScript([OP_NOP, x('')...<ERROR: PUSHDATA(1): truncated data>])")
T(
CScript(x('614bff')),
"CScript([OP_NOP, x('ff')...<ERROR: PUSHDATA(75): truncated data>])"
)
T(CScript(x('614c')),
"CScript([OP_NOP, <ERROR: PUSHDATA1: missing data length>])")
T(CScript(x('614c0200')),
"CScript([OP_NOP, x('00')...<ERROR: PUSHDATA1: truncated data>])")
def test_to_p2sh_scriptPubKey(self):
def T(redeemScript, expected_hex_bytes):
redeemScript = CScript(redeemScript)
actual_script = redeemScript.to_p2sh_scriptPubKey()
self.assertEqual(b2x(actual_script), expected_hex_bytes)
T([], 'a914b472a266d0bd89c13706a4132ccfb16f7c3b9fcb87')
T([
1,
x('029b6d2c97b8b7c718c325d7be3ac30f7c9d67651bce0c929f55ee77ce58efcf84'
), 1, OP_CHECKMULTISIG
], 'a91419a7d869032368fd1f1e26e5e73a4ad0e474960e87')
T([b'\xff' * 517], 'a9140da7fa40ebf248dfbca363c79921bdd665fed5ba87')
with self.assertRaises(ValueError):
CScript([b'a' * 518]).to_p2sh_scriptPubKey()
def test_create_insert_serialize_with_tweak(self):
# Same test as bloom_create_insert_serialize, but we add a nTweak of 100
filter = CBloomFilter(3, 0.01, 2147483649, CBloomFilter.UPDATE_ALL)
def T(elem):
"""Filter contains elem"""
elem = x(elem)
filter.insert(elem)
self.assertTrue(filter.contains(elem))
def F(elem):
"""Filter does not contain elem"""
elem = x(elem)
self.assertFalse(filter.contains(elem))
T('99108ad8ed9bb6274d3980bab5a85c048f0950c8')
F('19108ad8ed9bb6274d3980bab5a85c048f0950c8')
T('b5a2c786d9ef4658287ced5914b37a1b4aa32eee')
T('b9300670b4c5366e95b2699e8b18bc75e5f729c5')
self.assertEqual(filter.serialize(), x('03ce4299050000000100008001'))
def test_from_non_canonical_scriptPubKey(self):
def T(hex_scriptpubkey, expected_str_address):
scriptPubKey = CScript(x(hex_scriptpubkey))
addr = P2PKHBitcoinAddress.from_scriptPubKey(scriptPubKey)
self.assertEqual(str(addr), expected_str_address)
# now test that CBitcoinAddressError is raised with accept_non_canonical_pushdata=False
with self.assertRaises(CBitcoinAddressError):
P2PKHBitcoinAddress.from_scriptPubKey(
scriptPubKey, accept_non_canonical_pushdata=False)
T('76a94c14000000000000000000000000000000000000000088ac',
'1111111111111111111114oLvT2')
T('76a94d1400000000000000000000000000000000000000000088ac',
'1111111111111111111114oLvT2'),
T('76a94e14000000000000000000000000000000000000000000000088ac',
'1111111111111111111114oLvT2')
# make sure invalid scripts raise CBitcoinAddressError
with self.assertRaises(CBitcoinAddressError):
P2PKHBitcoinAddress.from_scriptPubKey(x('76a94c14'))
def test_tokenize_roundtrip(self):
def T(serialized_script, expected_tokens, test_roundtrip=True):
serialized_script = x(serialized_script)
script_obj = CScript(serialized_script)
actual_tokens = list(script_obj)
self.assertEqual(actual_tokens, expected_tokens)
if test_roundtrip:
recreated_script = CScript(actual_tokens)
self.assertEqual(recreated_script, serialized_script)
T('', [])
# standard pushdata
T('00', [OP_0])
T('0100', [b'\x00'])
T('4b' + 'ff' * 0x4b, [b'\xff' * 0x4b])
# non-optimal pushdata
T('4c00', [b''], False)
T('4c04deadbeef', [x('deadbeef')], False)
T('4d0000', [b''], False)
T('4d0400deadbeef', [x('deadbeef')], False)
T('4e00000000', [b''], False)
T('4e04000000deadbeef', [x('deadbeef')], False)
# numbers
T('00', [0x0])
T('4f', [OP_1NEGATE])
T('51', [0x1])
T('52', [0x2])
T('53', [0x3])
T('54', [0x4])
T('55', [0x5])
T('56', [0x6])
T('57', [0x7])
T('58', [0x8])
T('59', [0x9])
T('5a', [0xa])
T('5b', [0xb])
T('5c', [0xc])
T('5d', [0xd])
T('5e', [0xe])
T('5f', [0xf])
# some opcodes
T('9b', [OP_BOOLOR])
T('9a9b', [OP_BOOLAND, OP_BOOLOR])
T('ff', [OP_INVALIDOPCODE])
T('fafbfcfd',
[CScriptOp(0xfa),
CScriptOp(0xfb),
CScriptOp(0xfc),
CScriptOp(0xfd)])
# all three types
T(
'512103e2a0e6a91fa985ce4dda7f048fca5ec8264292aed9290594321aa53d37fdea32410478d430274f8c5ec1321338151e9f27f4c676a008bdf8638d07c0b6be9ab35c71a1518063243acd4dfe96b66e3f2ec8013c8e072cd09b3834a19f81f659cc345552ae',
[
1,
x('03e2a0e6a91fa985ce4dda7f048fca5ec8264292aed9290594321aa53d37fdea32'
),
x('0478d430274f8c5ec1321338151e9f27f4c676a008bdf8638d07c0b6be9ab35c71a1518063243acd4dfe96b66e3f2ec8013c8e072cd09b3834a19f81f659cc3455'
), 2, OP_CHECKMULTISIG
])
def test_low_s_value(self):
sig = x(
'3045022100b135074e08cc93904a1712b2600d3cb01899a5b1cc7498caa4b8585bcf5f27e7022074ab544045285baef0a63f0fb4c95e577dcbf5c969c0bf47c7da8e478909d669'
)
self.assertTrue(IsLowDERSignature(sig))
def test_high_s_value(self):
sig = x(
'3046022100820121109528efda8bb20ca28788639e5ba5b365e0a84f8bd85744321e7312c6022100a7c86a21446daa405306fe10d0a9906e37d1a2c6b6fdfaaf6700053058029bbe'
)
self.assertFalse(IsLowDERSignature(sig))
def T(serialized, b):
script = CScript(x(serialized))
self.assertEqual(script.is_valid(), b)
def T(serialized, b):
script = CScript(x(serialized))
self.assertEqual(script.is_unspendable(), b)
def F(elem):
"""Filter does not contain elem"""
elem = x(elem)
self.assertFalse(filter.contains(elem))
def T(hex_script, expected_result):
script = CScript(x(hex_script))
self.assertEqual(script.has_canonical_pushes(), expected_result)
def T(hex_scriptpubkey, expected_str_address, expected_class):
scriptPubKey = CScript(x(hex_scriptpubkey))
addr = CBitcoinAddress.from_scriptPubKey(scriptPubKey)
self.assertEqual(str(addr), expected_str_address)
self.assertEqual(addr.__class__, expected_class)
def T(serialized, b):
script = CScript(x(serialized))
self.assertEqual(script.is_push_only(), b)
def T(data, expected):
data = x(data)
expected = x(expected)
serialized_data = CScriptOp.encode_op_pushdata(data)
self.assertEqual(serialized_data, expected)
def T(serialized):
with self.assertRaises(CScriptInvalidError):
list(CScript(x(serialized)))
def T(hex_script):
script = CScript(x(hex_script))
self.assertEqual(script.has_canonical_pushes(), False)
def T(hex_script):
invalid_script = CScript(x(hex_script))
self.assertFalse(invalid_script.is_push_only())
def T(hex_pubkey, is_valid, is_fullyvalid, is_compressed):
key = CPubKey(x(hex_pubkey))
self.assertEqual(key.is_valid, is_valid)
self.assertEqual(key.is_fullyvalid, is_fullyvalid)
self.assertEqual(key.is_compressed, is_compressed)
