def test_version_bytes(self):
xprv_headers_b58 = {
'standard': 'tprv',
}
xpub_headers_b58 = {
'standard': 'tpub',
}
for xtype, xkey_header_bytes in constants.net.XPRV_HEADERS.items():
xkey_header_bytes = bfh("%08x" % xkey_header_bytes)
xkey_bytes = xkey_header_bytes + bytes([0] * 74)
xkey_b58 = EncodeBase58Check(xkey_bytes)
self.assertTrue(xkey_b58.startswith(xprv_headers_b58[xtype]))
xkey_bytes = xkey_header_bytes + bytes([255] * 74)
xkey_b58 = EncodeBase58Check(xkey_bytes)
self.assertTrue(xkey_b58.startswith(xprv_headers_b58[xtype]))
for xtype, xkey_header_bytes in constants.net.XPUB_HEADERS.items():
xkey_header_bytes = bfh("%08x" % xkey_header_bytes)
xkey_bytes = xkey_header_bytes + bytes([0] * 74)
xkey_b58 = EncodeBase58Check(xkey_bytes)
self.assertTrue(xkey_b58.startswith(xpub_headers_b58[xtype]))
xkey_bytes = xkey_header_bytes + bytes([255] * 74)
xkey_b58 = EncodeBase58Check(xkey_bytes)
self.assertTrue(xkey_b58.startswith(xpub_headers_b58[xtype]))
def parse_script(self, x):
script = ''
for word in x.split():
if word[0:3] == 'OP_':
opcode_int = opcodes[word]
assert opcode_int < 256 # opcode is single-byte
script += bitcoin.int_to_hex(opcode_int)
else:
bfh(word) # to test it is hex data
script += push_script(word)
return script
def test_verify(self):
announce = MasternodeAnnounce.deserialize(raw_announce)
message = announce.serialize_for_sig()
pk = bitcoin.public_key_to_p2pkh(bfh(announce.collateral_key))
self.assertTrue(announce.verify())
raw = '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'
announce = MasternodeAnnounce.deserialize(raw)
msg = announce.serialize_for_sig()
pk = bitcoin.public_key_to_p2pkh(bfh(announce.collateral_key))
self.assertTrue(announce.verify(pk))
def test_create_and_sign(self):
collateral_pub = '038ae57bd0fa5b45640e771614ec571c7326a2266c78bb444f1971c85188411ba1' # 1Feczj12KEioQTrXhd4zUUdmijxzwXfdcE
delegate_pub = '02526201c87c1b4630aabbd04572eec3e2545e442503e57e60880fafcc1f684dbc' # 1NLwcP3gVQPZHUdjKVrU9J4v4jRSYsB4Dj
protocol_version = 70103
ip = '0.0.0.0'
port = 20000
addr = NetworkAddress(ip=ip, port=port)
vin = {
'prevout_hash': '00' * 32,
'prevout_n': 0,
'scriptSig': '',
'sequence': 0xffffffff
}
last_ping = MasternodePing(vin=vin, block_hash='ff' * 32)
announce = MasternodeAnnounce(vin=vin,
addr=addr,
collateral_key=collateral_pub,
delegate_key=delegate_pub,
protocol_version=protocol_version,
last_ping=last_ping)
collateral_wif = '5K4hm916sRw93k9eoSf4XfHvUmi4ZyEpfMMT7yprvWPhTCc7wcJ'
delegate_wif = '5HsgYSCySd34BySFqo1CDaYHJVdHy1yqBXk3dGy9ABB3B4Pos3T'
announce.last_ping.sign(delegate_wif, bfh(delegate_pub), 1461858375)
sig = announce.sign(collateral_wif, 1461858375)
address = '1Feczj12KEioQTrXhd4zUUdmijxzwXfdcE'
self.assertTrue(announce.verify(address))
self.assertTrue(
ecc.verify_message_with_address(address, sig,
announce.serialize_for_sig()))
def do_send(self, tx):
def on_success(result):
window.show_message(
_("Your transaction was sent to the cosigning pool.") + '\n' +
_("Open your cosigner wallet to retrieve it."))
def on_failure(exc_info):
e = exc_info[1]
try:
self.logger.error("on_failure", exc_info=exc_info)
except OSError:
pass
window.show_error(
_("Failed to send transaction to cosigning pool") + ':\n' +
str(e))
for window, xpub, K, _hash in self.cosigner_list:
if not self.cosigner_can_sign(tx, xpub):
continue
# construct message
raw_tx_bytes = bfh(str(tx))
public_key = ecc.ECPubkey(K)
message = public_key.encrypt_message(raw_tx_bytes).decode('ascii')
# send message
task = lambda: server.put(_hash, message)
msg = _('Sending transaction to cosigning pool...')
WaitingDialog(window, msg, task, on_success, on_failure)
def get_noise_map(cls, versioned_seed: VersionedSeed) -> Dict[Tuple[int, int], int]:
"""Returns a map from (x,y) coordinate to pixel value 0/1, to be used as rawnoise."""
w, h = cls.SIZE
version = versioned_seed.version
hex_seed = versioned_seed.seed
checksum = versioned_seed.checksum
noise_map = {}
if version == '0':
random.seed(int(hex_seed, 16))
for x in range(w):
for y in range(h):
noise_map[(x, y)] = random.randint(0, 1)
elif version == '1':
prng_seed = bfh(hex_seed + version + checksum)
drbg = DRBG(prng_seed)
num_noise_bytes = 1929 # ~ w*h
noise_array = bin(int.from_bytes(drbg.generate(num_noise_bytes), 'big'))[2:]
# there's an approx 1/1024 chance that the generated number is 'too small'
# and we would get IndexError below. easiest backwards compat fix:
noise_array += '0' * (w * h - len(noise_array))
i = 0
for x in range(w):
for y in range(h):
noise_map[(x, y)] = int(noise_array[i])
i += 1
else:
raise Exception(f"unexpected revealer version: {version}")
return noise_map
def test_base43(self):
tx_hex = "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"
tx_bytes = bfh(tx_hex)
tx_base43 = base_encode(tx_bytes, 43)
self.assertEqual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
tx_base43)
self.assertEqual(tx_bytes,
base_decode(tx_base43, None, 43))
def test_base58(self):
data_hex = '0cd394bef396200774544c58a5be0189f3ceb6a41c8da023b099ce547dd4d8071ed6ed647259fba8c26382edbf5165dfd2404e7a8885d88437db16947a116e451a5d1325e3fd075f9d370120d2ab537af69f32e74fc0ba53aaaa637752964b3ac95cfea7'
data_bytes = bfh(data_hex)
data_base58 = base_encode(data_bytes, 58)
self.assertEqual("VuvZ2K5UEcXCVcogny7NH4Evd9UfeYipsTdWuU4jLDhyaESijKtrGWZTFzVZJPjaoC9jFBs3SFtarhDhQhAxkXosUD8PmUb5UXW1tafcoPiCp8jHy7Fe2CUPXAbYuMvAyrkocbe6",
data_base58)
self.assertEqual(data_bytes,
base_decode(data_base58, None, 58))
def test_base58check(self):
data_hex = '0cd394bef396200774544c58a5be0189f3ceb6a41c8da023b099ce547dd4d8071ed6ed647259fba8c26382edbf5165dfd2404e7a8885d88437db16947a116e451a5d1325e3fd075f9d370120d2ab537af69f32e74fc0ba53aaaa637752964b3ac95cfea7'
data_bytes = bfh(data_hex)
data_base58check = EncodeBase58Check(data_bytes)
self.assertEqual("4GCCJsjHqFbHxWbFBvRg35cSeNLHKeNqkXqFHW87zRmz6iP1dJU9Tk2KHZkoKj45jzVsSV4ZbQ8GpPwko6V3Z7cRfux3zJhUw7TZB6Kpa8Vdya8cMuUtL5Ry3CLtMetaY42u52X7Ey6MAH",
data_base58check)
self.assertEqual(data_bytes,
DecodeBase58Check(data_base58check))
def test_serialize_protocol_version_70210(self):
announce = MasternodeAnnounce.deserialize(raw_announce_70210)
msg = announce.serialize_for_sig()
expected = to_bytes(''.join([
'178.151.192.107:19999',
'1530021571',
bitcoin.hash_encode(
bitcoin.hash_160(
bfh('0221088c51bef8c9c891b385fa1e8a78b016f01db41741aea7e43e67a7415ab7be'
))),
bitcoin.hash_encode(
bitcoin.hash_160(
bfh('042379a871a10ae6bf06e756262f69d7f0ce9b8b562f223bde964db573fb7d0f1e219c246a4b3a6133c5cec136d83f4049df51321ba2cb01d676cc3982c7e24d1f'
))),
'70210',
]))
print('7' * 50, expected)
print('8' * 50, msg)
self.assertEqual(expected, msg)
def deserialize_with_auxpow(data_hex: str, **kwargs):
"""Deserializes a block header given as hex string
This makes sure that the data is always deserialised as full
block header with AuxPoW.
The keyword-arguments expect_trailing_data and start_position can be
set and will be passed on to deserialize_full_header."""
# We pass a height beyond the last checkpoint, because
# deserialize_full_header expects checkpointed headers to be truncated
# by ElectrumX (i.e. not contain an AuxPoW).
return blockchain.deserialize_full_header(bfh(data_hex), constants.net.max_checkpoint() + 1, **kwargs)
def show_qr(self):
text = bfh(str(self.tx))
text = base_encode(text, base=43)
try:
self.main_window.show_qrcode(text, 'Transaction', parent=self)
except qrcode.exceptions.DataOverflowError:
self.show_error(
_('Failed to display QR code.') + '\n' +
_('Transaction is too large in size.'))
except Exception as e:
self.show_error(_('Failed to display QR code.') + '\n' + str(e))
def tx_inputs(self, tx, xpub_path, for_sig=False):
inputs = []
for txin in tx.inputs():
txinputtype = TxInputType()
if txin['type'] == 'coinbase':
prev_hash = b"\x00" * 32
prev_index = 0xffffffff # signed int -1
else:
if for_sig:
x_pubkeys = txin['x_pubkeys']
xpubs = [parse_xpubkey(x) for x in x_pubkeys]
multisig = self._make_multisig(txin.get('num_sig'), xpubs,
txin.get('signatures'))
script_type = self.get_trezor_input_script_type(
txin['type'])
txinputtype = TxInputType(script_type=script_type,
multisig=multisig)
# find which key is mine
for xpub, deriv in xpubs:
if xpub in xpub_path:
xpub_n = parse_path(xpub_path[xpub])
txinputtype.address_n = xpub_n + deriv
break
prev_hash = bfh(txin['prevout_hash'])
prev_index = txin['prevout_n']
if 'value' in txin:
txinputtype.amount = txin['value']
txinputtype.prev_hash = prev_hash
txinputtype.prev_index = prev_index
if txin.get('scriptSig') is not None:
script_sig = bfh(txin['scriptSig'])
txinputtype.script_sig = script_sig
txinputtype.sequence = txin.get('sequence', 0xffffffff - 1)
inputs.append(txinputtype)
return inputs
def test_serialize_protocol_version_70201(self):
raw = '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'
announce = MasternodeAnnounce.deserialize(raw)
announce.sig_time = 1465161129
msg = announce.serialize_for_sig()
expected = to_bytes(''.join([
'127.0.0.1:19999',
'1465161129',
bitcoin.hash_encode(
bitcoin.hash_160(
bfh('0269e1abb1ffe231ea045068272a06f0fae231d11b11a54225867d89267faa4e23'
))),
bitcoin.hash_encode(
bitcoin.hash_160(
bfh('0269e1abb1ffe231ea045068272a06f0fae231d11b11a54225867d89267faa4e23'
))),
'70201',
]))
print('7' * 50, expected)
print('8' * 50, msg)
self.assertEqual(expected, msg)
def test_sign_transaction(self):
eckey1 = ecc.ECPrivkey(bfh('7e1255fddb52db1729fc3ceb21a46f95b8d9fe94cc83425e936a6c5223bb679d'))
sig1 = eckey1.sign_transaction(bfh('5a548b12369a53faaa7e51b5081829474ebdd9c924b3a8230b69aa0be254cd94'))
self.assertEqual(bfh('3045022100902a288b98392254cd23c0e9a49ac6d7920f171b8249a48e484b998f1874a2010220723d844826828f092cf400cb210c4fa0b8cd1b9d1a7f21590e78e022ff6476b9'), sig1)
eckey2 = ecc.ECPrivkey(bfh('c7ce8c1462c311eec24dff9e2532ac6241e50ae57e7d1833af21942136972f23'))
sig2 = eckey2.sign_transaction(bfh('642a2e66332f507c92bda910158dfe46fc10afbf72218764899d3af99a043fac'))
self.assertEqual(bfh('30440220618513f4cfc87dde798ce5febae7634c23e7b9254a1eabf486be820f6a7c2c4702204fef459393a2b931f949e63ced06888f35e286e446dc46feb24b5b5f81c6ed52'), sig2)
def _do_test_bip32(self, seed: str, sequence):
node = BIP32Node.from_rootseed(bfh(seed), xtype='standard')
xprv, xpub = node.to_xprv(), node.to_xpub()
self.assertEqual("m/", sequence[0:2])
sequence = sequence[2:]
for n in sequence.split('/'):
if n[-1] != "'":
xpub2 = BIP32Node.from_xkey(xpub).subkey_at_public_derivation(n).to_xpub()
node = BIP32Node.from_xkey(xprv).subkey_at_private_derivation(n)
xprv, xpub = node.to_xprv(), node.to_xpub()
if n[-1] != "'":
self.assertEqual(xpub, xpub2)
return xpub, xprv
def electrum_tx_to_txtype(self, tx):
t = self.types.TransactionType()
if tx is None:
# probably for segwit input and we don't need this prev txn
return t
d = deserialize(tx.raw)
t.version = d['version']
t.lock_time = d['lockTime']
inputs = self.tx_inputs(tx)
t.inputs.extend(inputs)
for vout in d['outputs']:
o = t.bin_outputs.add()
o.amount = vout['value']
o.script_pubkey = bfh(vout['scriptPubKey'])
return t
def _make_multisig(self, m, xpubs, signatures=None):
if len(xpubs) == 1:
return None
pubkeys = [self._make_node_path(xpub, deriv) for xpub, deriv in xpubs]
if signatures is None:
signatures = [b''] * len(pubkeys)
elif len(signatures) != len(pubkeys):
raise RuntimeError('Mismatched number of signatures')
else:
signatures = [bfh(x)[:-1] if x else b'' for x in signatures]
return MultisigRedeemScriptType(pubkeys=pubkeys,
signatures=signatures,
m=m)
def electrum_tx_to_txtype(self, tx, xpub_path):
t = TransactionType()
if tx is None:
# probably for segwit input and we don't need this prev txn
return t
d = deserialize(tx.raw)
t.version = d['version']
t.lock_time = d['lockTime']
t.inputs = self.tx_inputs(tx, xpub_path)
t.bin_outputs = [
TxOutputBinType(amount=vout['value'],
script_pubkey=bfh(vout['scriptPubKey']))
for vout in d['outputs']
]
return t
def sign_transaction(self, keystore, tx, prev_tx, xpub_path):
prev_tx = {
bfh(txhash): self.electrum_tx_to_txtype(tx, xpub_path)
for txhash, tx in prev_tx.items()
}
client = self.get_client(keystore)
inputs = self.tx_inputs(tx, xpub_path, True)
outputs = self.tx_outputs(keystore.get_derivation(), tx)
details = SignTx(lock_time=tx.locktime, version=tx.version)
signatures, _ = client.sign_tx(self.get_coin_name(),
inputs,
outputs,
details=details,
prev_txes=prev_tx)
signatures = [(bh2u(x) + '01') for x in signatures]
tx.update_signatures(signatures)
def test_deserialize_auxpow_header_explicit_coinbase(self):
header = self.deserialize_with_auxpow(header_850964)
header_auxpow = header['auxpow']
self.assertEqual(constants.net.AUXPOW_CHAIN_ID, header_auxpow['chain_id'])
coinbase_tx = header_auxpow['parent_coinbase_tx']
expected_coinbase_txid = '0d1a8b9f539f19058b85dd209b1c210ec3811275aff414ce318efd5a05f23215'
observed_coinbase_txid = auxpow.fast_txid(coinbase_tx)
self.assertEqual(expected_coinbase_txid, observed_coinbase_txid)
coinbase_merkle_branch = header_auxpow['coinbase_merkle_branch']
self.assertEqual(9, len(coinbase_merkle_branch))
self.assertEqual('5cc9569a1f63c3377d5fec1dcbe6cb0e42ee6d52c41790129a5f521357aef3ed', coinbase_merkle_branch[0])
self.assertEqual('cc723704b83296a3a2304ce9c216b15a22cc5a4e5ddfae390c903676dbbae86d', coinbase_merkle_branch[1])
self.assertEqual('78016c3cfafeb7dc2b3379241caf8d42e24dc8fad683d612a10ecb4a59f7b94e', coinbase_merkle_branch[2])
self.assertEqual('43b6fc40f8c4a422906aa6c7fe194fb066e1d7575442402f37bcce323c5e8c4e', coinbase_merkle_branch[3])
self.assertEqual('087919fbe8714bb8ea1a9301e6bb836e0c21cf28083902c393f59d4b2f6d9d77', coinbase_merkle_branch[4])
self.assertEqual('afe45d89727290e4a3fb76e8b34ddf89f5e49544c65d0fd1c9bbd668d9d05d9e', coinbase_merkle_branch[5])
self.assertEqual('2aa63a2009059bd296b0713a1680c0ed40c34bcfd046475a5da7922727ee14ec', coinbase_merkle_branch[6])
self.assertEqual('4f031ba6c7ee9e1ded1c7c2dc5ab0bb82d239aa495e5fde55c047f09c74be901', coinbase_merkle_branch[7])
self.assertEqual('771d47c939963f4bae3c160bfc09219f6797bb26cc66039a8798ac9e277dff2f', coinbase_merkle_branch[8])
coinbase_merkle_index = header_auxpow['coinbase_merkle_index']
self.assertEqual(0, coinbase_merkle_index)
chain_merkle_branch = header_auxpow['chain_merkle_branch']
self.assertEqual(5, len(chain_merkle_branch))
self.assertEqual('0000000000000000000000000000000000000000000000000000000000000000', chain_merkle_branch[0])
self.assertEqual('b886cb7e4fe65c18026bbaea7e31dfc14168b54d2b83d40bff0a240b4bcccbc1', chain_merkle_branch[1])
self.assertEqual('58acadf5f991005ecbe697139e2ad1bc8077a3534b68604ae3a68b779908e519', chain_merkle_branch[2])
self.assertEqual('304123c8d4cbdec14e3d16e970e8b14c87c23481fcbcff54e3ea518068960ad0', chain_merkle_branch[3])
self.assertEqual('3ed39d3d7591968f58a6568fc7a4949aa4ca52b25b695601ea912a7290b3afb3', chain_merkle_branch[4])
chain_merkle_index = header_auxpow['chain_merkle_index']
self.assertEqual(8, chain_merkle_index)
expected_parent_hash = '0000000000000074a836a521b2817a65e8a4df2dfe2c2418beb895e9cc2aa5ce'
observed_parent_hash = blockchain.hash_header(header_auxpow['parent_header'])
self.assertEqual(expected_parent_hash, observed_parent_hash)
expected_parent_header = blockchain.deserialize_pure_header(bfh('00000020d4b83d5e8e6aa350094371d005275044c7789c4830b7f90200000000000000005bf56206df79280717d5d01a8f996708e55661cd960bf21875f5069a3b53ecf71fc20758c440041846f4511a'), None)
expected_parent_merkle_root = expected_parent_header['merkle_root']
observed_parent_merkle_root = header_auxpow['parent_header']['merkle_root']
self.assertEqual(expected_parent_merkle_root, observed_parent_merkle_root)
def clear_coinbase_outputs(auxpow_header: dict, fix_merkle_root=True) -> None:
"""Clears the auxpow coinbase outputs
Set the outputs of the auxpow coinbase to an empty list. This is
necessary when the coinbase has been modified and needs to be
re-serialised, since present outputs are invalid due to the
fast_tx_deserialize optimisation."""
auxpow_header['parent_coinbase_tx']._outputs = []
# Clear the cached raw serialization
auxpow_header['parent_coinbase_tx'].raw = None
auxpow_header['parent_coinbase_tx'].raw_bytes = None
# Re-serialize. Note that our AuxPoW library won't do this for us,
# because it optimizes via fast_txid.
auxpow_header['parent_coinbase_tx'].raw_bytes = bfh(auxpow_header['parent_coinbase_tx'].serialize_to_network())
# Correct the coinbase Merkle root.
if fix_merkle_root:
update_merkle_root_to_match_coinbase(auxpow_header)
def tx_inputs(self, tx, for_sig=False):
inputs = []
for txin in tx.inputs():
txinputtype = self.types.TxInputType()
if txin['type'] == 'coinbase':
prev_hash = b"\x00" * 32
prev_index = 0xffffffff # signed int -1
else:
if for_sig:
x_pubkeys = txin['x_pubkeys']
if len(x_pubkeys) == 1:
x_pubkey = x_pubkeys[0]
xpub, s = parse_xpubkey(x_pubkey)
xpub_n = self.client_class.expand_path(
self.xpub_path[xpub])
txinputtype.address_n.extend(xpub_n + s)
txinputtype.script_type = self.get_keepkey_input_script_type(
txin['type'])
else:
def f(x_pubkey):
xpub, s = parse_xpubkey(x_pubkey)
return self._make_node_path(xpub, s)
pubkeys = list(map(f, x_pubkeys))
multisig = self.types.MultisigRedeemScriptType(
pubkeys=pubkeys,
signatures=map(lambda x: bfh(x)[:-1] if x else b'',
txin.get('signatures')),
m=txin.get('num_sig'),
)
script_type = self.get_keepkey_input_script_type(
txin['type'])
txinputtype = self.types.TxInputType(
script_type=script_type, multisig=multisig)
# find which key is mine
for x_pubkey in x_pubkeys:
if is_xpubkey(x_pubkey):
xpub, s = parse_xpubkey(x_pubkey)
if xpub in self.xpub_path:
xpub_n = self.client_class.expand_path(
self.xpub_path[xpub])
txinputtype.address_n.extend(xpub_n + s)
break
prev_hash = unhexlify(txin['prevout_hash'])
prev_index = txin['prevout_n']
if 'value' in txin:
txinputtype.amount = txin['value']
txinputtype.prev_hash = prev_hash
txinputtype.prev_index = prev_index
if txin.get('scriptSig') is not None:
script_sig = bfh(txin['scriptSig'])
txinputtype.script_sig = script_sig
txinputtype.sequence = txin.get('sequence', 0xffffffff - 1)
inputs.append(txinputtype)
return inputs
class TestBlockchain(SequentialTestCase):
HEADERS = {
'A':
deserialize_pure_header(
bfh("01000000000000000000000000000000000000000000000000000000000000000000000096f12836f9a4d8029fea2c89ad06be01a9aaa6f3c3160c5867b00338f9098b0fdae5494dffff7f2002000000"
), 0),
'B':
deserialize_pure_header(
bfh("04010100d2a8d4eaa8ba68d79f1b92313b1f11ba539c3a540b1d84b9e669e1fce7a22454c5b3adce07063ce7a0c10586aaef7e57d9f1fcdbbd323b333beedfe5b1c3c7cd92153a5dffff7f2000000000"
), 1),
'C':
deserialize_pure_header(
bfh("04010100aeb03bd6576cce945215f99080a311c26c93165d830de2a54fa58a18de533519c8160f84c8da831592362da0bfcb89d6da871b32fcd906e8198267ea9d5b526593153a5dffff7f2000000000"
), 2),
'D':
deserialize_pure_header(
bfh("0401010084aa29cf0745a3c22c2f337934ea353dacbe9c703fd09a292fb326cf9f6312558a6c5acd18c144171edd3b3a9d2e7464a8922cb15647e70715220db6b8f0603293153a5dffff7f2000000000"
), 3),
'E':
deserialize_pure_header(
bfh("040101005434ea5acbd422bdee0bc85f539c69e500754007238b43d16362fedfec4ce7ce3f83f1588acc9b419a4f5b3ea8f12500d30280cad34acad00cc0a7be030704fb94153a5dffff7f2000000000"
), 4),
'F':
deserialize_pure_header(
bfh("04010100fea84de1e70b66f600cfc6662220fc1b619a77f89203c2c07f2ef33dc94ba1956ae4074f4c02a0aae2f758e2842938feb4898f9854867aacd451031bf374ec2594153a5dffff7f2000000000"
), 5),
'O':
deserialize_pure_header(
bfh("04010100ff601cc5e3df8f0590a9be43e9e762a0416253bc665bb7867a18ecb890f94c79c4dc044802c1146f2960366c8d6de8455d7523cec2ac3d39e212f1565a8f8f1794153a5dffff7f2000000000"
), 6),
'P':
deserialize_pure_header(
bfh("0401010046f5eee8a16352acfe929d27af9494f5738b408a4223016fb41d81a35d2cd3c75d0c56d1272b3efee929b2e4d764f37d9a12f4be9784017442e2fd13822e6534061b3a5dffff7f2000000000"
), 7),
'Q':
deserialize_pure_header(
bfh("04010100f782fb7ef21769f2fa7e304ba9cf2d7b17537e6dee773fa48c895bf47efebbea58fc9903c96106191f932fa92b4a5a304c88f77783717f2650b5e867fd03f1b5061b3a5dffff7f2000000000"
), 8),
'R':
deserialize_pure_header(
bfh("040101004c5d47a675e2a8af6261313494e83b7c7411222d72aa32ccbebc43ec5c74bde50445594bfe82354d4901f870dbf42ccdaf7438dcf5b88aab0bd8d814a515aaa9061b3a5dffff7f2000000000"
), 9),
'S':
deserialize_pure_header(
bfh("040101005e0559e20e90ccd9def4fbfa36aa6762fdd43e05939cef17849a224a991e3f190b21359445699cf68d8269017e8fb577deca79ae774c6c481e33874b21d7f814061b3a5dffff7f2000000000"
), 10),
'T':
deserialize_pure_header(
bfh("040101004b65a96d5833467f7b770c02bfbc592bc439471a9101e9fcb348e26fd10b65d4d80a86bdf598a2ecbbec1e9ba16f66fab619b2604e94e63c4489359d8b1a0c72061b3a5dffff7f2000000000"
), 11),
'U':
deserialize_pure_header(
bfh("040101009d2857ea52e62b41159f183c3961f54b751c0e7b124e9c0abec315416cea91d27e63ce93d701645c2f79cd90b3fcee717276c6af40f0ec5d7ef1e589ba3eb4bb061b3a5dffff7f2000000000"
), 12),
'G':
deserialize_pure_header(
bfh("04010100ff601cc5e3df8f0590a9be43e9e762a0416253bc665bb7867a18ecb890f94c79c4dc044802c1146f2960366c8d6de8455d7523cec2ac3d39e212f1565a8f8f1794153a5dffff7f2000000000"
), 6),
'H':
deserialize_pure_header(
bfh("0401010046f5eee8a16352acfe929d27af9494f5738b408a4223016fb41d81a35d2cd3c73a82a080149e5f04dee31e89d491cdb732ca643dfb1dce355bdf628dc21e8c6494153a5dffff7f2000000000"
), 7),
'I':
deserialize_pure_header(
bfh("04010100056e368100b10d9a715c7bdce7e31d1f8518d19b07a8aa6e6909569c5a80fec1842026f9d0a97e1d2d98da06b7f82c16cbbdf130d955bb807178986409caf3e095153a5dffff7f2000000000"
), 8),
'J':
deserialize_pure_header(
bfh("040101002a8a5bb4242a400052282bc9bc961d353b14dc59ea56349019891784e5224f95fe81e90dc6964e6e8926ae398636793ee28d3e3245532bdf6127fcbd146c932795153a5dffff7f2000000000"
), 9),
'K':
deserialize_pure_header(
bfh("0401010059c0544847fb33f0238b7a5eceed2ba19293c4b5c94276a273865e419c0fdcfb5679e53c102027584ed102ef69036e2862932a2fe2ccd6b79757666cb9d4e9c995153a5dffff7f2000000000"
), 10),
'L':
deserialize_pure_header(
bfh("0401010016c08d913ef7054acef3a5cd346c848243234645df69efc7bfb90553e453c4ccc1e463e6c8c1afa8d270b45be45d1abeaac0d09ed21f0a95db606dc8a9856ba595153a5dffff7f2000000000"
), 11),
'M':
deserialize_pure_header(
bfh("040101002a8a5bb4242a400052282bc9bc961d353b14dc59ea56349019891784e5224f95fe81e90dc6964e6e8926ae398636793ee28d3e3245532bdf6127fcbd146c932795153a5dffff7f2000000000"
), 9),
'N':
deserialize_pure_header(
bfh("0401010059c0544847fb33f0238b7a5eceed2ba19293c4b5c94276a273865e419c0fdcfbe39f9848d61df25b2b277089ccf9eef837b8381cc5ed6749e18598da87e490d678183a5dffff7f2000000000"
), 10),
'X':
deserialize_pure_header(
bfh("04010100f4444a20ddfab37b22dd0cb838128e437679606d20722d7c1e69bc9504445d558e891bfd831e2440ac56ce6c24b4ae1f333b46727bf513ebe125c5fa941a441d78183a5dffff7f2000000000"
), 11),
'Y':
deserialize_pure_header(
bfh("040101008618f830e30249a314cc453d15a3a518592efc984389164af3ee504ca6de9c12bfd55d093954d7a8e56dd5b1aa60c5b53e4d4005bb7548bb5e98837d7850feac78183a5dffff7f2000000000"
), 12),
'Z':
deserialize_pure_header(
bfh("04010100f2180d103da82c4c377b7ff2d90353f30bb14acf94de3fad271dcf5903d8ee6b066e7374b211cbe95f4f537e1e4816f55d15a410318ca8bd8542dbe540c73dd378183a5dffff7f2000000000"
), 13),
}
# tree of headers:
# - M <- N <- X <- Y <- Z
# /
# - G <- H <- I <- J <- K <- L
# /
# A <- B <- C <- D <- E <- F <- O <- P <- Q <- R <- S <- T <- U
@classmethod
def setUpClass(cls):
super().setUpClass()
constants.set_regtest()
@classmethod
def tearDownClass(cls):
super().tearDownClass()
constants.set_mainnet()
def setUp(self):
super().setUp()
self.data_dir = tempfile.mkdtemp()
make_dir(os.path.join(self.data_dir, 'forks'))
self.config = SimpleConfig({'electrum_path': self.data_dir})
blockchain.blockchains = {}
def tearDown(self):
super().tearDown()
shutil.rmtree(self.data_dir)
def _append_header(self, chain: Blockchain, header: dict):
self.assertTrue(chain.can_connect(header))
chain.save_header(header)
def test_get_height_of_last_common_block_with_chain(self):
blockchain.blockchains[constants.net.GENESIS] = chain_u = Blockchain(
config=self.config,
forkpoint=0,
parent=None,
forkpoint_hash=constants.net.GENESIS,
prev_hash=None)
open(chain_u.path(), 'w+').close()
self._append_header(chain_u, self.HEADERS['A'])
self._append_header(chain_u, self.HEADERS['B'])
self._append_header(chain_u, self.HEADERS['C'])
self._append_header(chain_u, self.HEADERS['D'])
self._append_header(chain_u, self.HEADERS['E'])
self._append_header(chain_u, self.HEADERS['F'])
self._append_header(chain_u, self.HEADERS['O'])
self._append_header(chain_u, self.HEADERS['P'])
self._append_header(chain_u, self.HEADERS['Q'])
chain_l = chain_u.fork(self.HEADERS['G'])
self._append_header(chain_l, self.HEADERS['H'])
self._append_header(chain_l, self.HEADERS['I'])
self._append_header(chain_l, self.HEADERS['J'])
self._append_header(chain_l, self.HEADERS['K'])
self._append_header(chain_l, self.HEADERS['L'])
self.assertEqual({
chain_u: 8,
chain_l: 5
}, chain_u.get_parent_heights())
self.assertEqual({chain_l: 11}, chain_l.get_parent_heights())
chain_z = chain_l.fork(self.HEADERS['M'])
self._append_header(chain_z, self.HEADERS['N'])
self._append_header(chain_z, self.HEADERS['X'])
self._append_header(chain_z, self.HEADERS['Y'])
self._append_header(chain_z, self.HEADERS['Z'])
self.assertEqual({
chain_u: 8,
chain_z: 5
}, chain_u.get_parent_heights())
self.assertEqual({
chain_l: 11,
chain_z: 8
}, chain_l.get_parent_heights())
self.assertEqual({chain_z: 13}, chain_z.get_parent_heights())
self.assertEqual(
5, chain_u.get_height_of_last_common_block_with_chain(chain_l))
self.assertEqual(
5, chain_l.get_height_of_last_common_block_with_chain(chain_u))
self.assertEqual(
5, chain_u.get_height_of_last_common_block_with_chain(chain_z))
self.assertEqual(
5, chain_z.get_height_of_last_common_block_with_chain(chain_u))
self.assertEqual(
8, chain_l.get_height_of_last_common_block_with_chain(chain_z))
self.assertEqual(
8, chain_z.get_height_of_last_common_block_with_chain(chain_l))
self._append_header(chain_u, self.HEADERS['R'])
self._append_header(chain_u, self.HEADERS['S'])
self._append_header(chain_u, self.HEADERS['T'])
self._append_header(chain_u, self.HEADERS['U'])
self.assertEqual({
chain_u: 12,
chain_z: 5
}, chain_u.get_parent_heights())
self.assertEqual({
chain_l: 11,
chain_z: 8
}, chain_l.get_parent_heights())
self.assertEqual({chain_z: 13}, chain_z.get_parent_heights())
self.assertEqual(
5, chain_u.get_height_of_last_common_block_with_chain(chain_l))
self.assertEqual(
5, chain_l.get_height_of_last_common_block_with_chain(chain_u))
self.assertEqual(
5, chain_u.get_height_of_last_common_block_with_chain(chain_z))
self.assertEqual(
5, chain_z.get_height_of_last_common_block_with_chain(chain_u))
self.assertEqual(
8, chain_l.get_height_of_last_common_block_with_chain(chain_z))
self.assertEqual(
8, chain_z.get_height_of_last_common_block_with_chain(chain_l))
def test_parents_after_forking(self):
blockchain.blockchains[constants.net.GENESIS] = chain_u = Blockchain(
config=self.config,
forkpoint=0,
parent=None,
forkpoint_hash=constants.net.GENESIS,
prev_hash=None)
open(chain_u.path(), 'w+').close()
self._append_header(chain_u, self.HEADERS['A'])
self._append_header(chain_u, self.HEADERS['B'])
self._append_header(chain_u, self.HEADERS['C'])
self._append_header(chain_u, self.HEADERS['D'])
self._append_header(chain_u, self.HEADERS['E'])
self._append_header(chain_u, self.HEADERS['F'])
self._append_header(chain_u, self.HEADERS['O'])
self._append_header(chain_u, self.HEADERS['P'])
self._append_header(chain_u, self.HEADERS['Q'])
self.assertEqual(None, chain_u.parent)
chain_l = chain_u.fork(self.HEADERS['G'])
self._append_header(chain_l, self.HEADERS['H'])
self._append_header(chain_l, self.HEADERS['I'])
self._append_header(chain_l, self.HEADERS['J'])
self._append_header(chain_l, self.HEADERS['K'])
self._append_header(chain_l, self.HEADERS['L'])
self.assertEqual(None, chain_l.parent)
self.assertEqual(chain_l, chain_u.parent)
chain_z = chain_l.fork(self.HEADERS['M'])
self._append_header(chain_z, self.HEADERS['N'])
self._append_header(chain_z, self.HEADERS['X'])
self._append_header(chain_z, self.HEADERS['Y'])
self._append_header(chain_z, self.HEADERS['Z'])
self.assertEqual(chain_z, chain_u.parent)
self.assertEqual(chain_z, chain_l.parent)
self.assertEqual(None, chain_z.parent)
self._append_header(chain_u, self.HEADERS['R'])
self._append_header(chain_u, self.HEADERS['S'])
self._append_header(chain_u, self.HEADERS['T'])
self._append_header(chain_u, self.HEADERS['U'])
self.assertEqual(chain_z, chain_u.parent)
self.assertEqual(chain_z, chain_l.parent)
self.assertEqual(None, chain_z.parent)
def test_forking_and_swapping(self):
blockchain.blockchains[constants.net.GENESIS] = chain_u = Blockchain(
config=self.config,
forkpoint=0,
parent=None,
forkpoint_hash=constants.net.GENESIS,
prev_hash=None)
open(chain_u.path(), 'w+').close()
self._append_header(chain_u, self.HEADERS['A'])
self._append_header(chain_u, self.HEADERS['B'])
self._append_header(chain_u, self.HEADERS['C'])
self._append_header(chain_u, self.HEADERS['D'])
self._append_header(chain_u, self.HEADERS['E'])
self._append_header(chain_u, self.HEADERS['F'])
self._append_header(chain_u, self.HEADERS['O'])
self._append_header(chain_u, self.HEADERS['P'])
self._append_header(chain_u, self.HEADERS['Q'])
self._append_header(chain_u, self.HEADERS['R'])
chain_l = chain_u.fork(self.HEADERS['G'])
self._append_header(chain_l, self.HEADERS['H'])
self._append_header(chain_l, self.HEADERS['I'])
self._append_header(chain_l, self.HEADERS['J'])
# do checks
self.assertEqual(2, len(blockchain.blockchains))
self.assertEqual(1,
len(os.listdir(os.path.join(self.data_dir, "forks"))))
self.assertEqual(0, chain_u.forkpoint)
self.assertEqual(None, chain_u.parent)
self.assertEqual(constants.net.GENESIS, chain_u._forkpoint_hash)
self.assertEqual(None, chain_u._prev_hash)
self.assertEqual(os.path.join(self.data_dir, "blockchain_headers"),
chain_u.path())
self.assertEqual(10 * 80, os.stat(chain_u.path()).st_size)
self.assertEqual(6, chain_l.forkpoint)
self.assertEqual(chain_u, chain_l.parent)
self.assertEqual(hash_header(self.HEADERS['G']),
chain_l._forkpoint_hash)
self.assertEqual(hash_header(self.HEADERS['F']), chain_l._prev_hash)
self.assertEqual(
os.path.join(
self.data_dir, "forks",
"fork2_6_794cf990b8ec187a86b75b66bc536241a062e7e943bea990058fdfe3c51c60ff_c7d32c5da3811db46f0123428a408b73f59494af279d92feac5263a1e8eef546"
), chain_l.path())
self.assertEqual(4 * 80, os.stat(chain_l.path()).st_size)
self._append_header(chain_l, self.HEADERS['K'])
# chains were swapped, do checks
self.assertEqual(2, len(blockchain.blockchains))
self.assertEqual(1,
len(os.listdir(os.path.join(self.data_dir, "forks"))))
self.assertEqual(6, chain_u.forkpoint)
self.assertEqual(chain_l, chain_u.parent)
self.assertEqual(hash_header(self.HEADERS['O']),
chain_u._forkpoint_hash)
self.assertEqual(hash_header(self.HEADERS['F']), chain_u._prev_hash)
self.assertEqual(
os.path.join(
self.data_dir, "forks",
"fork2_6_794cf990b8ec187a86b75b66bc536241a062e7e943bea990058fdfe3c51c60ff_c7d32c5da3811db46f0123428a408b73f59494af279d92feac5263a1e8eef546"
), chain_u.path())
self.assertEqual(4 * 80, os.stat(chain_u.path()).st_size)
self.assertEqual(0, chain_l.forkpoint)
self.assertEqual(None, chain_l.parent)
self.assertEqual(constants.net.GENESIS, chain_l._forkpoint_hash)
self.assertEqual(None, chain_l._prev_hash)
self.assertEqual(os.path.join(self.data_dir, "blockchain_headers"),
chain_l.path())
self.assertEqual(11 * 80, os.stat(chain_l.path()).st_size)
for b in (chain_u, chain_l):
self.assertTrue(
all([
b.can_connect(b.read_header(i), False)
for i in range(b.height())
]))
self._append_header(chain_u, self.HEADERS['S'])
self._append_header(chain_u, self.HEADERS['T'])
self._append_header(chain_u, self.HEADERS['U'])
self._append_header(chain_l, self.HEADERS['L'])
chain_z = chain_l.fork(self.HEADERS['M'])
self._append_header(chain_z, self.HEADERS['N'])
self._append_header(chain_z, self.HEADERS['X'])
self._append_header(chain_z, self.HEADERS['Y'])
self._append_header(chain_z, self.HEADERS['Z'])
# chain_z became best chain, do checks
self.assertEqual(3, len(blockchain.blockchains))
self.assertEqual(2,
len(os.listdir(os.path.join(self.data_dir, "forks"))))
self.assertEqual(0, chain_z.forkpoint)
self.assertEqual(None, chain_z.parent)
self.assertEqual(constants.net.GENESIS, chain_z._forkpoint_hash)
self.assertEqual(None, chain_z._prev_hash)
self.assertEqual(os.path.join(self.data_dir, "blockchain_headers"),
chain_z.path())
self.assertEqual(14 * 80, os.stat(chain_z.path()).st_size)
self.assertEqual(9, chain_l.forkpoint)
self.assertEqual(chain_z, chain_l.parent)
self.assertEqual(hash_header(self.HEADERS['J']),
chain_l._forkpoint_hash)
self.assertEqual(hash_header(self.HEADERS['I']), chain_l._prev_hash)
self.assertEqual(
os.path.join(
self.data_dir, "forks",
"fork2_9_954f22e584178919903456ea59dc143b351d96bcc92b285200402a24b45b8a2a_fbdc0f9c415e8673a27642c9b5c49392a12bedce5e7a8b23f033fb474854c059"
), chain_l.path())
self.assertEqual(3 * 80, os.stat(chain_l.path()).st_size)
self.assertEqual(6, chain_u.forkpoint)
self.assertEqual(chain_z, chain_u.parent)
self.assertEqual(hash_header(self.HEADERS['O']),
chain_u._forkpoint_hash)
self.assertEqual(hash_header(self.HEADERS['F']), chain_u._prev_hash)
self.assertEqual(
os.path.join(
self.data_dir, "forks",
"fork2_6_794cf990b8ec187a86b75b66bc536241a062e7e943bea990058fdfe3c51c60ff_c7d32c5da3811db46f0123428a408b73f59494af279d92feac5263a1e8eef546"
), chain_u.path())
self.assertEqual(7 * 80, os.stat(chain_u.path()).st_size)
for b in (chain_u, chain_l, chain_z):
self.assertTrue(
all([
b.can_connect(b.read_header(i), False)
for i in range(b.height())
]))
self.assertEqual(constants.net.GENESIS, chain_z.get_hash(0))
self.assertEqual(hash_header(self.HEADERS['F']), chain_z.get_hash(5))
self.assertEqual(hash_header(self.HEADERS['G']), chain_z.get_hash(6))
self.assertEqual(hash_header(self.HEADERS['I']), chain_z.get_hash(8))
self.assertEqual(hash_header(self.HEADERS['M']), chain_z.get_hash(9))
self.assertEqual(hash_header(self.HEADERS['Z']), chain_z.get_hash(13))
def test_doing_multiple_swaps_after_single_new_header(self):
blockchain.blockchains[constants.net.GENESIS] = chain_u = Blockchain(
config=self.config,
forkpoint=0,
parent=None,
forkpoint_hash=constants.net.GENESIS,
prev_hash=None)
open(chain_u.path(), 'w+').close()
self._append_header(chain_u, self.HEADERS['A'])
self._append_header(chain_u, self.HEADERS['B'])
self._append_header(chain_u, self.HEADERS['C'])
self._append_header(chain_u, self.HEADERS['D'])
self._append_header(chain_u, self.HEADERS['E'])
self._append_header(chain_u, self.HEADERS['F'])
self._append_header(chain_u, self.HEADERS['O'])
self._append_header(chain_u, self.HEADERS['P'])
self._append_header(chain_u, self.HEADERS['Q'])
self._append_header(chain_u, self.HEADERS['R'])
self._append_header(chain_u, self.HEADERS['S'])
self.assertEqual(1, len(blockchain.blockchains))
self.assertEqual(0,
len(os.listdir(os.path.join(self.data_dir, "forks"))))
chain_l = chain_u.fork(self.HEADERS['G'])
self._append_header(chain_l, self.HEADERS['H'])
self._append_header(chain_l, self.HEADERS['I'])
self._append_header(chain_l, self.HEADERS['J'])
self._append_header(chain_l, self.HEADERS['K'])
# now chain_u is best chain, but it's tied with chain_l
self.assertEqual(2, len(blockchain.blockchains))
self.assertEqual(1,
len(os.listdir(os.path.join(self.data_dir, "forks"))))
chain_z = chain_l.fork(self.HEADERS['M'])
self._append_header(chain_z, self.HEADERS['N'])
self._append_header(chain_z, self.HEADERS['X'])
self.assertEqual(3, len(blockchain.blockchains))
self.assertEqual(2,
len(os.listdir(os.path.join(self.data_dir, "forks"))))
# chain_z became best chain, do checks
self.assertEqual(0, chain_z.forkpoint)
self.assertEqual(None, chain_z.parent)
self.assertEqual(constants.net.GENESIS, chain_z._forkpoint_hash)
self.assertEqual(None, chain_z._prev_hash)
self.assertEqual(os.path.join(self.data_dir, "blockchain_headers"),
chain_z.path())
self.assertEqual(12 * 80, os.stat(chain_z.path()).st_size)
self.assertEqual(9, chain_l.forkpoint)
self.assertEqual(chain_z, chain_l.parent)
self.assertEqual(hash_header(self.HEADERS['J']),
chain_l._forkpoint_hash)
self.assertEqual(hash_header(self.HEADERS['I']), chain_l._prev_hash)
self.assertEqual(
os.path.join(
self.data_dir, "forks",
"fork2_9_954f22e584178919903456ea59dc143b351d96bcc92b285200402a24b45b8a2a_fbdc0f9c415e8673a27642c9b5c49392a12bedce5e7a8b23f033fb474854c059"
), chain_l.path())
self.assertEqual(2 * 80, os.stat(chain_l.path()).st_size)
self.assertEqual(6, chain_u.forkpoint)
self.assertEqual(chain_z, chain_u.parent)
self.assertEqual(hash_header(self.HEADERS['O']),
chain_u._forkpoint_hash)
self.assertEqual(hash_header(self.HEADERS['F']), chain_u._prev_hash)
self.assertEqual(
os.path.join(
self.data_dir, "forks",
"fork2_6_794cf990b8ec187a86b75b66bc536241a062e7e943bea990058fdfe3c51c60ff_c7d32c5da3811db46f0123428a408b73f59494af279d92feac5263a1e8eef546"
), chain_u.path())
self.assertEqual(5 * 80, os.stat(chain_u.path()).st_size)
self.assertEqual(constants.net.GENESIS, chain_z.get_hash(0))
self.assertEqual(hash_header(self.HEADERS['F']), chain_z.get_hash(5))
self.assertEqual(hash_header(self.HEADERS['G']), chain_z.get_hash(6))
self.assertEqual(hash_header(self.HEADERS['I']), chain_z.get_hash(8))
self.assertEqual(hash_header(self.HEADERS['M']), chain_z.get_hash(9))
self.assertEqual(hash_header(self.HEADERS['X']), chain_z.get_hash(11))
for b in (chain_u, chain_l, chain_z):
self.assertTrue(
all([
b.can_connect(b.read_header(i), False)
for i in range(b.height())
]))
def data(self, index, role=Qt.DisplayRole):
data = None
if not index.isValid():
return QVariant(data)
if role not in [
Qt.DisplayRole, Qt.EditRole, Qt.ToolTipRole, Qt.FontRole,
Qt.BackgroundRole
]:
return None
mn = self.masternodes[index.row()]
i = index.column()
if i == self.ALIAS:
data = mn.alias
elif i == self.STATUS:
status = self.manager.masternode_statuses.get(
mn.get_collateral_str())
data = masternode_status(status)
if role == Qt.BackgroundRole:
data = QBrush(
QColor(ENABLED_MASTERNODE_BG)) if data[0] else None
# Return the long description for data widget mappers.
elif role == Qt.EditRole:
data = data[2]
else:
data = data[1]
elif i == self.VIN:
txid = mn.vin.get('prevout_hash', '')
out_n = str(mn.vin.get('prevout_n', ''))
addr = mn.vin.get('address', '')
value = str(mn.vin.get('value', ''))
scriptsig = mn.vin.get('scriptSig', '')
if role == Qt.EditRole:
data = ':'.join([txid, out_n, addr, value, scriptsig])
elif role == Qt.FontRole:
data = util.MONOSPACE_FONT
else:
if all(attr for attr in [txid, out_n, addr]):
data = '%s:%s' % (txid, out_n)
else:
data = ''
elif i == self.COLLATERAL:
data = mn.collateral_key
if role in [Qt.EditRole, Qt.DisplayRole, Qt.ToolTipRole] and data:
data = bitcoin.public_key_to_p2pkh(bfh(data))
elif role == Qt.FontRole:
data = util.MONOSPACE_FONT
elif i == self.DELEGATE:
data = mn.delegate_key
if role in [Qt.EditRole, Qt.DisplayRole, Qt.ToolTipRole] and data:
data = self.manager.get_delegate_privkey(data)
elif role == Qt.FontRole:
data = util.MONOSPACE_FONT
elif i == self.ADDR:
data = ''
if mn.addr.ip:
data = str(mn.addr)
elif i == self.PROTOCOL_VERSION:
data = mn.protocol_version
return QVariant(data)
from electrum_trc import storage, bitcoin, keystore
from electrum_trc.transaction import Transaction
from electrum_trc.simple_config import SimpleConfig
from electrum_trc.address_synchronizer import TX_HEIGHT_UNCONFIRMED, TX_HEIGHT_UNCONF_PARENT
from electrum_trc.wallet import sweep, Multisig_Wallet, Standard_Wallet, Imported_Wallet, restore_wallet_from_text
from electrum_trc.util import bfh, bh2u
from electrum_trc.transaction import TxOutput
from electrum_trc.mnemonic import seed_type
from . import TestCaseForTestnet
from . import SequentialTestCase
from .test_bitcoin import needs_test_with_all_ecc_implementations
UNICODE_HORROR_HEX = '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'
UNICODE_HORROR = bfh(UNICODE_HORROR_HEX).decode('utf-8')
assert UNICODE_HORROR == '₿ 😀 😈 う けたま わる w͢͢͝h͡o͢͡ ̸͢k̵͟n̴͘ǫw̸̛s͘ ̀́w͘͢ḩ̵a҉̡͢t ̧̕h́o̵r͏̵rors̡ ̶͡͠lį̶e͟͟ ̶͝in͢ ͏t̕h̷̡͟e ͟͟d̛a͜r̕͡k̢̨ ͡h̴e͏a̷̢̡rt́͏ ̴̷͠ò̵̶f̸ u̧͘ní̛͜c͢͏o̷͏d̸͢e̡͝?͞'
class WalletIntegrityHelper:
gap_limit = 1 # make tests run faster
@classmethod
def check_seeded_keystore_sanity(cls, test_obj, ks):
test_obj.assertTrue(ks.is_deterministic())
test_obj.assertFalse(ks.is_watching_only())
test_obj.assertFalse(ks.can_import())
test_obj.assertTrue(ks.has_seed())
@classmethod
def test_verify(self):
announce = MasternodeAnnounce.deserialize(raw_announce_70210)
message = announce.serialize_for_sig()
pk = bitcoin.public_key_to_p2pkh(bfh(announce.collateral_key))
self.assertTrue(announce.verify())
def test_add_number_to_script(self):
# https://github.com/bitcoin/bips/blob/master/bip-0062.mediawiki#numbers
self.assertEqual(add_number_to_script(0), bytes([opcodes.OP_0]))
self.assertEqual(add_number_to_script(7), bytes([opcodes.OP_7]))
self.assertEqual(add_number_to_script(16), bytes([opcodes.OP_16]))
self.assertEqual(add_number_to_script(-1), bytes([opcodes.OP_1NEGATE]))
self.assertEqual(add_number_to_script(-127), bfh('01ff'))
self.assertEqual(add_number_to_script(-2), bfh('0182'))
self.assertEqual(add_number_to_script(17), bfh('0111'))
self.assertEqual(add_number_to_script(127), bfh('017f'))
self.assertEqual(add_number_to_script(-32767), bfh('02ffff'))
self.assertEqual(add_number_to_script(-128), bfh('028080'))
self.assertEqual(add_number_to_script(128), bfh('028000'))
self.assertEqual(add_number_to_script(32767), bfh('02ff7f'))
self.assertEqual(add_number_to_script(-8388607), bfh('03ffffff'))
self.assertEqual(add_number_to_script(-32768), bfh('03008080'))
self.assertEqual(add_number_to_script(32768), bfh('03008000'))
self.assertEqual(add_number_to_script(8388607), bfh('03ffff7f'))
self.assertEqual(add_number_to_script(-2147483647), bfh('04ffffffff'))
self.assertEqual(add_number_to_script(-8388608 ), bfh('0400008080'))
self.assertEqual(add_number_to_script(8388608), bfh('0400008000'))
self.assertEqual(add_number_to_script(2147483647), bfh('04ffffff7f'))
def test_push_script(self):
# https://github.com/bitcoin/bips/blob/master/bip-0062.mediawiki#push-operators
self.assertEqual(push_script(''), bh2u(bytes([opcodes.OP_0])))
self.assertEqual(push_script('07'), bh2u(bytes([opcodes.OP_7])))
self.assertEqual(push_script('10'), bh2u(bytes([opcodes.OP_16])))
self.assertEqual(push_script('81'), bh2u(bytes([opcodes.OP_1NEGATE])))
self.assertEqual(push_script('11'), '0111')
self.assertEqual(push_script(75 * '42'), '4b' + 75 * '42')
self.assertEqual(push_script(76 * '42'), bh2u(bytes([opcodes.OP_PUSHDATA1]) + bfh('4c' + 76 * '42')))
self.assertEqual(push_script(100 * '42'), bh2u(bytes([opcodes.OP_PUSHDATA1]) + bfh('64' + 100 * '42')))
self.assertEqual(push_script(255 * '42'), bh2u(bytes([opcodes.OP_PUSHDATA1]) + bfh('ff' + 255 * '42')))
self.assertEqual(push_script(256 * '42'), bh2u(bytes([opcodes.OP_PUSHDATA2]) + bfh('0001' + 256 * '42')))
self.assertEqual(push_script(520 * '42'), bh2u(bytes([opcodes.OP_PUSHDATA2]) + bfh('0802' + 520 * '42')))
def test_verify_auxpow_header_explicit_coinbase(self):
header_bytes = bfh(header_850964)
# We can't pass the real height because it's below a checkpoint, and
# the deserializer expects ElectrumX to strip checkpointed AuxPoW.
header = self.deserialize_with_auxpow(header_850964)
blockchain.Blockchain.verify_header(header, prev_hash_850964, target_850964)
