def make_transaction(src_priv_key, dst_address, value, data):
src_address = b2h(utils.privtoaddr(src_priv_key))
nonce = get_num_transactions(src_address)
gas_price = get_gas_price_in_wei()
data_as_string = b2h(data)
start_gas = eval_startgas(src_address, dst_address, value, data_as_string,
gas_price)
nonce = int(nonce, 16)
gas_price = int(gas_price, 16)
start_gas = int(start_gas, 16) + 100000
tx = transactions.Transaction(nonce, gas_price, start_gas, dst_address,
value, data).sign(src_priv_key)
tx_hex = b2h(rlp.encode(tx))
tx_hash = b2h(tx.hash)
if use_ether_scan:
params = [{"hex": "0x" + tx_hex}]
else:
params = ["0x" + tx_hex]
return_value = json_call("eth_sendRawTransaction", params)
if return_value == "0x0000000000000000000000000000000000000000000000000000000000000000":
print "Transaction failed"
return False
wait_for_confirmation(tx_hash)
return return_value
def create_wallet_key_output(key, network, subkey_path, add_output):
ui_context = network.ui
if hasattr(key, "wallet_key"):
if subkey_path:
add_output("subkey_path", subkey_path)
add_output(
"wallet_key",
key.hwif(ui_context=ui_context, as_private=key.is_private()))
if key.is_private():
add_output("public_version",
key.hwif(ui_context=ui_context, as_private=False))
child_number = key.child_index()
if child_number >= 0x80000000:
wc = child_number - 0x80000000
child_index = "%dH (%d)" % (wc, child_number)
else:
child_index = "%d" % child_number
add_output("tree_depth", "%d" % key.tree_depth())
add_output("fingerprint", b2h(key.fingerprint()))
add_output("parent_fingerprint", b2h(key.parent_fingerprint()),
"parent f'print")
add_output("child_index", child_index)
add_output("chain_code", b2h(key.chain_code()))
add_output("private_key", "yes" if key.is_private() else "no")
def __init__(self, payer_sec, payee_sec, spend_secret_hash, expire_time):
self.payer_sec = payer_sec
self.payee_sec = payee_sec
self.spend_secret_hash = spend_secret_hash
self.expire_time = expire_time
self.script = compile_deposit_script(b2h(payer_sec), b2h(payee_sec),
spend_secret_hash, expire_time)
def generate_feed(block_number, nonce, ask_for_1000, bid_for_1000,
private_key):
hexX = h2b("%0.64X" % block_number)
hexY = h2b("%0.64X" % nonce)
hexZ = h2b("%0.64X" % ask_for_1000)
hexW = h2b("%0.64X" % bid_for_1000)
msg = hexX + hexY + hexZ + hexW
msghash = b2h(utils.sha3(msg))
V, R, S = bitcoin.ecdsa_raw_sign(msghash, private_key)
# print("V R S")
R = utils.int_to_hex(R)
S = utils.int_to_hex(S)
# print("0x%x" % V, R, S)
dic = {}
dic['status'] = "success"
data = {}
data['block_number'] = block_number
data['nonce'] = nonce
data['bid_for_1000'] = bid_for_1000
data['ask_for_1000'] = ask_for_1000
data['message'] = "0x" + b2h(msg)
data['hash'] = "0x" + msghash
data['signer'] = "0x" + b2h(utils.privtoaddr(private_key))
data['v'] = V
data['r'] = R
data['s'] = S
dic['data'] = data
print(json.dumps(dic, indent=4, sort_keys=True))
def make_transaction( src_priv_key, dst_address, value, data ):
src_address = b2h( utils.privtoaddr(src_priv_key) )
nonce = get_num_transactions( src_address )
gas_price = get_gas_price_in_wei()
data_as_string = b2h(data)
start_gas = eval_startgas( src_address, dst_address, value, data_as_string, gas_price )
nonce = int( nonce, 16 )
gas_price = int( gas_price, 16 )
start_gas = int( start_gas, 16 ) + 100000
tx = transactions.Transaction( nonce,
gas_price,
start_gas,
dst_address,
value,
data ).sign(src_priv_key)
tx_hex = b2h(rlp.encode(tx))
tx_hash = b2h( tx.hash )
if use_ether_scan:
params = [{"hex" : "0x" + tx_hex }]
else:
params = ["0x" + tx_hex]
return_value = json_call( "eth_sendRawTransaction", params )
if return_value == "0x0000000000000000000000000000000000000000000000000000000000000000":
print "Transaction failed"
return False
wait_for_confirmation(tx_hash)
return return_value
def _make_transaction(self, src_priv_key, dst_address, value, data, use_increased_gas_price):
src_address = b2h(utils.privtoaddr(src_priv_key))
nonce_rs = self._get_num_transactions(src_address)
nonce = int(nonce_rs, base=16)
log.debug(f"Using nonce {nonce}.")
gas_price_rs = self._get_gas_price_in_wei()
gas_price = int(gas_price_rs, base=16)
if use_increased_gas_price:
log.debug(f"Using increased gas price.")
gas_price = int(gas_price * INCREASED_GAS_PRICE_FACTOR)
log.debug(f"gas price is {gas_price}")
start_gas_rs = self._eval_startgas(src=src_address, dst=dst_address, value=value, data=b2h(data),
gas_price=gas_price_rs)
start_gas = int(start_gas_rs, base=16) + ADDITIONAL_START_GAS_TO_BE_ON_THE_SAFE_SIDE
log.debug(f"Estimated start gas is {start_gas}")
tx = transactions.Transaction(nonce,
gas_price,
start_gas,
dst_address,
value,
data).sign(src_priv_key)
tx_hex = b2h(rlp.encode(tx))
tx_hash = b2h(tx.hash)
params = ["0x" + tx_hex]
return_value = self._json_call("eth_sendRawTransaction", params)
if return_value == "0x0000000000000000000000000000000000000000000000000000000000000000":
print("Transaction failed")
return return_value
return return_value
def solve_finalize_commit(self, **kwargs):
hash160_lookup = kwargs.get("hash160_lookup")
sign_value = kwargs.get("sign_value")
signature_type = kwargs.get("signature_type")
existing_script = kwargs.get("existing_script")
# FIXME validate on receiving the commit
# validate payer sig
opcode, data, pc = tools.get_opcode(existing_script, 0) # OP_0
opcode, payer_sig, pc = tools.get_opcode(existing_script, pc)
sig_pair, actual_signature_type = parse_signature_blob(payer_sig)
try:
public_pair = encoding.sec_to_public_pair(self.payer_sec)
sig_pair, signature_type = parse_signature_blob(payer_sig)
valid = ecdsa.verify(ecdsa.generator_secp256k1, public_pair,
sign_value, sig_pair)
if not valid:
raise Exception("Invalid payer public_pair!")
except (encoding.EncodingError, UnexpectedDER):
raise Exception("Invalid payer public_pair!")
# sign
private_key = hash160_lookup.get(encoding.hash160(self.payee_sec))
secret_exponent, public_pair, compressed = private_key
payee_sig = self._create_script_signature(
secret_exponent, sign_value, signature_type
)
script_text = "OP_0 {payer_sig} {payee_sig} OP_1".format(
payer_sig=b2h(payer_sig), payee_sig=b2h(payee_sig)
)
return tools.compile(script_text)
def call_const_function(priv_key, value, contract_hash, contract_abi,
function_name, args):
src_address = b2h(utils.privtoaddr(priv_key))
translator = ContractTranslator(contract_abi)
call = translator.encode_function_call(function_name, args)
nonce = get_num_transactions(src_address)
gas_price = get_gas_price_in_wei()
start_gas = eval_startgas(src_address, contract_hash, value, b2h(call),
gas_price)
nonce = int(nonce, 16)
gas_price = int(gas_price, 16)
start_gas = int(start_gas, 16) + 100000
params = {
"from": "0x" + src_address,
"to": "0x" + contract_hash,
"gas": "0x" + str(start_gas),
"gasPrice": "0x" + str(gas_price),
"value": str(value),
"data": "0x" + b2h(call)
}
return_value = json_call("eth_call", [params])
return_value = h2b(return_value[2:]) # remove 0x
return translator.decode(function_name, return_value)
def set_identities(self, identities):
calculated_hash = merkle.merkle([id.get_hash() for id in identities],
merkle.double_sha256)
if calculated_hash != self.header.merkle_root:
raise block.BadMerkleRootError(
"calculated %s but block contains %s" %
(b2h(calculated_hash), b2h(self.header.merkle_root)))
else:
self.identities = identities
def set_auths(self, auths):
calculated_hash = merkle.merkle([auth.get_hash() for auth in auths],
merkle.double_sha256)
if calculated_hash != self.header.merkle_root_auths:
raise block.BadMerkleRootError(
"calculated %s but block contains %s" %
(b2h(calculated_hash), b2h(self.header.merkle_root_auths)))
else:
self.auths = auths
def main():
parser = argparse.ArgumentParser(description="Bitcoin utilities. WARNING: obsolete. Use ku instead.")
parser.add_argument('-a', "--address", help='show as Bitcoin address', action='store_true')
parser.add_argument('-1', "--hash160", help='show as hash 160', action='store_true')
parser.add_argument('-v', "--verbose", help='dump all information available', action='store_true')
parser.add_argument('-w', "--wif", help='show as Bitcoin WIF', action='store_true')
parser.add_argument('-n', "--uncompressed", help='show in uncompressed form', action='store_true')
parser.add_argument('item', help='a WIF, secret exponent, X/Y public pair, SEC (as hex), hash160 (as hex), Bitcoin address', nargs="+")
args = parser.parse_args()
for c in args.item:
# figure out what it is:
# - secret exponent
# - WIF
# - X/Y public key (base 10 or hex)
# - sec
# - hash160
# - Bitcoin address
secret_exponent = parse_as_private_key(c)
if secret_exponent:
public_pair = ecdsa.public_pair_for_secret_exponent(secp256k1.generator_secp256k1, secret_exponent)
print("secret exponent: %d" % secret_exponent)
print(" hex: %x" % secret_exponent)
print("WIF: %s" % encoding.secret_exponent_to_wif(secret_exponent, compressed=True))
print(" uncompressed: %s" % encoding.secret_exponent_to_wif(secret_exponent, compressed=False))
else:
public_pair = parse_as_public_pair(c)
if public_pair:
bitcoin_address_uncompressed = encoding.public_pair_to_bitcoin_address(public_pair, compressed=False)
bitcoin_address_compressed = encoding.public_pair_to_bitcoin_address(public_pair, compressed=True)
print("public pair x: %d" % public_pair[0])
print("public pair y: %d" % public_pair[1])
print(" x as hex: %x" % public_pair[0])
print(" y as hex: %x" % public_pair[1])
print("y parity: %s" % "odd" if (public_pair[1] & 1) else "even")
print("key pair as sec: %s" % b2h(encoding.public_pair_to_sec(public_pair, compressed=True)))
s = b2h(encoding.public_pair_to_sec(public_pair, compressed=False))
print(" uncompressed: %s\\\n %s" % (s[:66], s[66:]))
hash160 = encoding.public_pair_to_hash160_sec(public_pair, compressed=True)
hash160_unc = encoding.public_pair_to_hash160_sec(public_pair, compressed=False)
myeccpoint = encoding.public_pair_to_sec(public_pair, compressed=True)
myhash = encoding.ripemd160( myeccpoint ).digest( )
print("BTSX PubKey: %s" % BTS_ADDRESS_PREFIX + encoding.b2a_base58(myeccpoint + myhash[ :4 ]))
else:
hash160 = parse_as_address(c)
hash160_unc = None
if not hash160:
sys.stderr.write("can't decode input %s\n" % c)
sys.exit(1)
print("hash160: %s" % b2h(hash160))
if hash160_unc:
print(" uncompressed: %s" % b2h(hash160_unc))
print("Bitcoin address: %s" % encoding.hash160_sec_to_bitcoin_address(hash160))
if hash160_unc:
print(" uncompressed: %s" % encoding.hash160_sec_to_bitcoin_address(hash160_unc))
def solve_create_commit(self, **kwargs):
hash160_lookup = kwargs["hash160_lookup"]
private_key = hash160_lookup.get(encoding.hash160(self.payer_sec))
secret_exponent, public_pair, compressed = private_key
sig = self._create_sig(secret_exponent, **kwargs)
signature_placeholder = kwargs.get("signature_placeholder",
DEFAULT_PLACEHOLDER_SIGNATURE)
script_asm = COMMIT_SCRIPTSIG.format(
payer_sig=b2h(sig), payee_sig=b2h(signature_placeholder))
return tools.compile(script_asm)
def upload_enc_secret_to_blockchain_and_send_keys_to_nodes(
secret, secret_index, ethereum_key):
key = utils.sha3("password")
rand1 = utils.sha3("rand1")
rand2 = utils.sha3("rand2")
rand3 = utils.sha3("rand3")
enc_secret = encrypt(secret, key)
keys1 = CreateNodeKeys(key, rand1, rand2, rand3, 1)
keys2 = CreateNodeKeys(key, rand1, rand2, rand3, 2)
keys3 = CreateNodeKeys(key, rand1, rand2, rand3, 3)
print "uploading encrypted secret to blockchain"
newSecret(ethereum_key, enc_secret)
# TODO - send to nodes
keys1 = [b2h(keys1[0]), b2h(keys1[1]), b2h(keys1[2])]
keys2 = [b2h(keys2[0]), b2h(keys2[1]), b2h(keys2[2])]
keys3 = [b2h(keys3[0]), b2h(keys3[1]), b2h(keys3[2])]
#print str(keys1)
print "send key share 1 to server 1"
sever1.submit_keys(secret_index, keys1, 1)
print "send key share 2 to server 2"
sever2.submit_keys(secret_index, keys2, 2)
print "send key share 3 to server 3"
sever3.submit_keys(secret_index, keys3, 3)
def create_output(item, key, subkey_path=None):
output_dict = {}
output_order = []
def add_output(json_key, value=None, human_readable_key=None):
if human_readable_key is None:
human_readable_key = json_key.replace("_", " ")
if value:
output_dict[json_key.strip().lower()] = value
output_order.append((json_key.lower(), human_readable_key))
network_name = network_name_for_netcode(key._netcode)
full_network_name = full_network_name_for_netcode(key._netcode)
add_output("input", item)
add_output("network", full_network_name)
add_output("netcode", key._netcode)
create_wallet_key_output(key, subkey_path, add_output)
secret_exponent = key.secret_exponent()
if secret_exponent:
add_output("secret_exponent", '%d' % secret_exponent)
add_output("secret_exponent_hex", '%x' % secret_exponent, " hex")
add_output("wif", key.wif(use_uncompressed=False))
add_output("wif_uncompressed", key.wif(use_uncompressed=True),
" uncompressed")
create_public_pair_output(key, add_output)
hash160_c = key.hash160(use_uncompressed=False)
if hash160_c:
add_output("hash160", b2h(hash160_c))
hash160_u = key.hash160(use_uncompressed=True)
if hash160_u:
add_output("hash160_uncompressed", b2h(hash160_u), " uncompressed")
if hash160_c:
address = key.address(use_uncompressed=False)
add_output("address", address, "%s address" % network_name)
output_dict["%s_address" % key._netcode] = address
if hash160_u:
address = key.address(use_uncompressed=True)
add_output("address_uncompressed", address,
"%s address uncompressed" % network_name)
output_dict["%s_address_uncompressed" % key._netcode] = address
if hash160_c and address_wit_prefix_for_netcode(key._netcode):
address = ScriptPayToAddressWit(b'\0', hash160_c).info()["address_f"](
key._netcode)
add_output("address segwit", address,
"%s segwit address" % network_name)
output_dict["%s_address_segwit" % key._netcode] = address
return output_dict, output_order
def fix_input_script(inp, redeem_script):
"""replace dummy signatures with OP_0 and add redeem script for digitaloracle compatibility"""
dummy = b2h(dummy_signature(1))
ops1 = []
for op in opcode_list(inp.script):
if op == dummy:
op = 'OP_0'
ops1.append(op)
# FIXME hack to add redeem script omitted by pycoin
ops1.append(b2h(redeem_script))
inp.script = compile(' '.join(ops1))
def test_verify_transaction(self):
SelectParams('testnet')
b = h2b('8443b07464c762d7fb404ea918a5ac9b3618d5cd6a0c5ea6e4dd5d7bbe28b154')
tx_input = Spendable(200, b'18eKkAWyU9kvRNHPKxnZb6wwtPMrNmRRRA', b, 0)
tx_outs = [tx_utils.create_transaction_output('mgAqW5ZCnEp7fjvpj8RUL3WxsBy8rcDcCi', 0.0000275)]
op_return_val = h2b('e9cee71ab932fde863338d08be4de9dfe39ea049bdafb342ce659ec5450b69ae')
tx = tx_utils.create_trx(op_return_val, 3, 'mgAqW5ZCnEp7fjvpj8RUL3WxsBy8rcDcCi', tx_outs, [tx_input])
hextx = b2h(tx.serialize())
tx_utils.verify_transaction(hextx, b2h(op_return_val))
def _create_oracle_request(self,
input_chain_paths,
output_chain_paths,
spend_id,
tx,
verifications=None,
callback=None):
""":nodoc:"""
tx = deepcopy(
tx
) # keep original Tx object intact, so that it is not mutated by fix_input_scripts below.
# Have the Oracle sign the tx
chain_paths = []
input_scripts = []
input_txs = []
for i, inp in enumerate(tx.txs_in):
input_tx = self.tx_db.get(inp.previous_hash)
if input_tx is None:
raise Error("could not look up tx for %s" %
(b2h(inp.previous_hash)))
input_txs.append(input_tx)
if input_chain_paths[i] is not None:
redeem_script = self._account.script_for_path(
input_chain_paths[i]).script()
input_scripts.append(redeem_script)
chain_paths.append(input_chain_paths[i])
fix_input_script(inp, redeem_script)
else:
input_scripts.append(None)
chain_paths.append(None)
req = {
"walletAgent": self._wallet_agent,
"transaction": {
"bytes":
b2h(stream_to_bytes(tx.stream)),
"inputScripts": [(b2h(script) if script else None)
for script in input_scripts],
"inputTransactions":
[b2h(stream_to_bytes(tx.stream)) for tx in input_txs],
"chainPaths":
chain_paths,
"outputChainPaths":
output_chain_paths,
"masterKeys":
self._account.public_keys[0:-self.num_oracle_keys],
}
}
if spend_id:
req['spendId'] = spend_id
if callback:
req['callback'] = callback
if verifications:
req['verifications'] = verifications
return req
def test_verify_transaction(self):
bitcoin.SelectParams('testnet')
b = h2b('8443b07464c762d7fb404ea918a5ac9b3618d5cd6a0c5ea6e4dd5d7bbe28b154')
tx_input = Spendable(200, b'18eKkAWyU9kvRNHPKxnZb6wwtPMrNmRRRA', b, 0)
tx_outs = [tx_utils.create_transaction_output('mgAqW5ZCnEp7fjvpj8RUL3WxsBy8rcDcCi', 0.0000275)]
op_return_val = h2b('e9cee71ab932fde863338d08be4de9dfe39ea049bdafb342ce659ec5450b69ae')
tx = tx_utils.create_trx(op_return_val, 3, 'mgAqW5ZCnEp7fjvpj8RUL3WxsBy8rcDcCi', tx_outs, [tx_input])
hextx = b2h(tx.serialize())
tx_utils.verify_transaction(hextx, b2h(op_return_val))
def __init__(self, delay_time, spend_secret_hash,
payee_sec, payer_sec, revoke_secret_hash):
self.delay_time = delay_time
self.spend_secret_hash = spend_secret_hash
self.payee_sec = payee_sec
self.payer_sec = payer_sec
self.revoke_secret_hash = revoke_secret_hash
self.script = compile_commit_script(
b2h(payer_sec), b2h(payee_sec), spend_secret_hash,
revoke_secret_hash, delay_time
)
def solve_change(self, **kwargs):
hash160_lookup = kwargs["hash160_lookup"]
spend_secret = kwargs["spend_secret"]
private_key = hash160_lookup.get(encoding.hash160(self.payer_sec))
secret_exponent, public_pair, compressed = private_key
sig = self._create_sig(secret_exponent, **kwargs)
spend_secret_hash = get_deposit_spend_secret_hash(b2h(self.script))
provided_spend_secret_hash = b2h(encoding.hash160(h2b(spend_secret)))
assert (spend_secret_hash == provided_spend_secret_hash)
script_asm = CHANGE_SCRIPTSIG.format(sig=b2h(sig), secret=spend_secret)
return tools.compile(script_asm)
def __repr__(self):
r = self.public_copy()
if getattr(r, "_default_ui_context", None):
s = r.as_text()
elif r.sec():
s = b2h(r.sec())
else:
s = b2h(r.hash160())
if self.is_private():
return "private_for <%s>" % s
return "<%s>" % s
def __init__(self, delay_time, spend_secret_hash, payee_sec, payer_sec,
revoke_secret_hash):
self.delay_time = delay_time
self.spend_secret_hash = spend_secret_hash
self.payee_sec = payee_sec
self.payer_sec = payer_sec
self.revoke_secret_hash = revoke_secret_hash
self.script = h2b(
compile_commit_script(b2h(payer_sec), b2h(payee_sec),
spend_secret_hash, revoke_secret_hash,
delay_time))
def test_bip143_tx_1(self):
tx_u1, tx_s1 = self.check_bip143_tx(
"0100000002fff7f7881a8099afa6940d42d1e7f6362bec38171ea3edf433541db4e4ad"
"969f0000000000eeffffffef51e1b804cc89d182d279655c3aa89e815b1b309fe287d9"
"b2b55d57b90ec68a0100000000ffffffff02202cb206000000001976a9148280b37df3"
"78db99f66f85c95a783a76ac7a6d5988ac9093510d000000001976a9143bde42dbee7e"
"4dbe6a21b2d50ce2f0167faa815988ac11000000",
"01000000000102fff7f7881a8099afa6940d42d1e7f6362bec38171ea3edf433541db4"
"e4ad969f00000000494830450221008b9d1dc26ba6a9cb62127b02742fa9d754cd3beb"
"f337f7a55d114c8e5cdd30be022040529b194ba3f9281a99f2b1c0a19c0489bc22ede9"
"44ccf4ecbab4cc618ef3ed01eeffffffef51e1b804cc89d182d279655c3aa89e815b1b"
"309fe287d9b2b55d57b90ec68a0100000000ffffffff02202cb206000000001976a914"
"8280b37df378db99f66f85c95a783a76ac7a6d5988ac9093510d000000001976a9143b"
"de42dbee7e4dbe6a21b2d50ce2f0167faa815988ac000247304402203609e17b84f6a7"
"d30c80bfa610b5b4542f32a8a0d5447a12fb1366d7f01cc44a0220573a954c45183315"
"61406f90300e8f3358f51928d43c212a8caed02de67eebee0121025476c2e83188368d"
"a1ff3e292e7acafcdb3566bb0ad253f62fc70f07aeee635711000000",
[(6.25,
"2103c9f4836b9a4f77fc0d81f7bcb01b7f1b35916864b9476c241ce9fc198bd25432ac"
),
(6, "00141d0f172a0ecb48aee1be1f2687d2963ae33f71a1")], 2, 2, 1, 17)
sc = tx_s1.SolutionChecker(tx_s1)
self.assertEqual(
b2h(sc._hash_prevouts(SIGHASH_ALL)),
"96b827c8483d4e9b96712b6713a7b68d6e8003a781feba36c31143470b4efd37")
self.assertEqual(
b2h(sc._hash_sequence(SIGHASH_ALL)),
"52b0a642eea2fb7ae638c36f6252b6750293dbe574a806984b8e4d8548339a3b")
self.assertEqual(
b2h(sc._hash_outputs(SIGHASH_ALL, 0)),
"863ef3e1a92afbfdb97f31ad0fc7683ee943e9abcf2501590ff8f6551f47e5e5")
script = BitcoinMainnet.ui._script_info.script_for_p2pkh(
tx_s1.unspents[1].script[2:])
self.assertEqual(
b2h(
sc._segwit_signature_preimage(script=script,
tx_in_idx=1,
hash_type=SIGHASH_ALL)),
"0100000096b827c8483d4e9b96712b6713a7b68d6e8003a781feba36c31143470b4efd"
"3752b0a642eea2fb7ae638c36f6252b6750293dbe574a806984b8e4d8548339a3bef51"
"e1b804cc89d182d279655c3aa89e815b1b309fe287d9b2b55d57b90ec68a0100000019"
"76a9141d0f172a0ecb48aee1be1f2687d2963ae33f71a188ac0046c32300000000ffff"
"ffff863ef3e1a92afbfdb97f31ad0fc7683ee943e9abcf2501590ff8f6551f47e5e511"
"00000001000000")
self.assertEqual(
b2h(to_bytes_32(sc._signature_for_hash_type_segwit(script, 1, 1))),
"c37af31116d1b27caf68aae9e3ac82f1477929014d5b917657d0eb49478cb670")
self.check_tx_can_be_signed(tx_u1, tx_s1, [
0xbbc27228ddcb9209d7fd6f36b02f7dfa6252af40bb2f1cbc7a557da8027ff866,
0x619c335025c7f4012e556c2a58b2506e30b8511b53ade95ea316fd8c3286feb9
])
def fix_input_script(inp, redeem_script):
"""replace dummy signatures with OP_0 and add redeem script for digitaloracle compatibility"""
dummy = b2h(dummy_signature(1))
ops1 = []
for op in opcode_list(inp.script):
if op == dummy:
op = 'OP_0'
ops1.append(op)
# FIXME hack to add redeem script omitted by pycoin
ops1.append(b2h(redeem_script))
inp.script = compile(' '.join(ops1))
def create_public_pair_output(key, add_output):
public_pair = key.public_pair()
if public_pair:
add_output("public_pair_x", '%d' % public_pair[0])
add_output("public_pair_y", '%d' % public_pair[1])
add_output("public_pair_x_hex", '%x' % public_pair[0], " x as hex")
add_output("public_pair_y_hex", '%x' % public_pair[1], " y as hex")
add_output("y_parity", "odd" if (public_pair[1] & 1) else "even")
add_output("key_pair_as_sec", b2h(key.sec(use_uncompressed=False)))
add_output("key_pair_as_sec_uncompressed", b2h(key.sec(use_uncompressed=True)), " uncompressed")
def main():
parser = argparse.ArgumentParser(description="Bitcoin utilities. WARNING: obsolete. Use ku instead.")
parser.add_argument('-a', "--address", help='show as Bitcoin address', action='store_true')
parser.add_argument('-1', "--hash160", help='show as hash 160', action='store_true')
parser.add_argument('-v', "--verbose", help='dump all information available', action='store_true')
parser.add_argument('-w', "--wif", help='show as Bitcoin WIF', action='store_true')
parser.add_argument('-n', "--uncompressed", help='show in uncompressed form', action='store_true')
parser.add_argument('item', help='a WIF, secret exponent, X/Y public pair, SEC (as hex), hash160 (as hex), Bitcoin address', nargs="+")
args = parser.parse_args()
for c in args.item:
# figure out what it is:
# - secret exponent
# - WIF
# - X/Y public key (base 10 or hex)
# - sec
# - hash160
# - Bitcoin address
secret_exponent = parse_as_private_key(c)
if secret_exponent:
public_pair = ecdsa.public_pair_for_secret_exponent(secp256k1.generator_secp256k1, secret_exponent)
print("secret exponent: %d" % secret_exponent)
print(" hex: %x" % secret_exponent)
print("WIF: %s" % encoding.secret_exponent_to_wif(secret_exponent, compressed=True))
print(" uncompressed: %s" % encoding.secret_exponent_to_wif(secret_exponent, compressed=False))
else:
public_pair = parse_as_public_pair(c)
if public_pair:
bitcoin_address_uncompressed = encoding.public_pair_to_bitcoin_address(public_pair, compressed=False)
bitcoin_address_compressed = encoding.public_pair_to_bitcoin_address(public_pair, compressed=True)
print("public pair x: %d" % public_pair[0])
print("public pair y: %d" % public_pair[1])
print(" x as hex: %x" % public_pair[0])
print(" y as hex: %x" % public_pair[1])
print("y parity: %s" % "odd" if (public_pair[1] & 1) else "even")
print("key pair as sec: %s" % b2h(encoding.public_pair_to_sec(public_pair, compressed=True)))
s = b2h(encoding.public_pair_to_sec(public_pair, compressed=False))
print(" uncompressed: %s\\\n %s" % (s[:66], s[66:]))
hash160 = encoding.public_pair_to_hash160_sec(public_pair, compressed=True)
hash160_unc = encoding.public_pair_to_hash160_sec(public_pair, compressed=False)
else:
hash160 = parse_as_address(c)
hash160_unc = None
if not hash160:
sys.stderr.write("can't decode input %s\n" % c)
sys.exit(1)
print("hash160: %s" % b2h(hash160))
if hash160_unc:
print(" uncompressed: %s" % b2h(hash160_unc))
print("Bitcoin address: %s" % encoding.hash160_sec_to_bitcoin_address(hash160))
if hash160_unc:
print(" uncompressed: %s" % encoding.hash160_sec_to_bitcoin_address(hash160_unc))
def create_public_pair_output(key, add_output):
public_pair = key.public_pair()
if public_pair:
add_output("public_pair_x", '%d' % public_pair[0])
add_output("public_pair_y", '%d' % public_pair[1])
add_output("public_pair_x_hex", '%x' % public_pair[0], " x as hex")
add_output("public_pair_y_hex", '%x' % public_pair[1], " y as hex")
add_output("y_parity", "odd" if (public_pair[1] & 1) else "even")
add_output("key_pair_as_sec", b2h(key.sec(use_uncompressed=False)))
add_output("key_pair_as_sec_uncompressed", b2h(key.sec(use_uncompressed=True)), " uncompressed")
def solve_create_commit(self, **kwargs):
hash160_lookup = kwargs["hash160_lookup"]
private_key = hash160_lookup.get(encoding.hash160(self.payer_sec))
secret_exponent, public_pair, compressed = private_key
sig = self._create_script_signature(
secret_exponent, kwargs["sign_value"], kwargs["signature_type"]
)
signature_placeholder = kwargs.get("signature_placeholder",
DEFAULT_PLACEHOLDER_SIGNATURE)
script_text = "OP_0 {payer_sig} {payee_sig} OP_1".format(
payer_sig=b2h(sig), payee_sig=b2h(signature_placeholder)
)
return tools.compile(script_text)
def from_script(cls, script):
r = cls.match(script)
if r:
delay_time = get_commit_delay_time(b2h(cls.TEMPLATE))
spend_secret_hash = b2h(r["PUBKEYHASH_LIST"][0])
payee_sec = r["PUBKEY_LIST"][0]
revoke_secret_hash = b2h(r["PUBKEYHASH_LIST"][1])
payer_sec = r["PUBKEY_LIST"][1]
obj = cls(delay_time, spend_secret_hash, payee_sec, payer_sec,
revoke_secret_hash)
assert (obj.script == script)
return obj
raise ValueError("bad script") # pragma: no cover
def from_script(cls, script):
r = cls.match(script)
if r:
payer_sec = r["PUBKEY_LIST"][0]
payee_sec = r["PUBKEY_LIST"][1]
assert (payer_sec == r["PUBKEY_LIST"][2])
assert (payer_sec == r["PUBKEY_LIST"][3])
spend_secret_hash = b2h(r["PUBKEYHASH_LIST"][0])
expire_time = get_deposit_expire_time(b2h(cls.TEMPLATE))
obj = cls(payer_sec, payee_sec, spend_secret_hash, expire_time)
assert (obj.script == script)
return obj
raise ValueError("bad script") # pragma: no cover
def from_script(cls, script):
r = cls.match(script)
if r:
delay_time = get_commit_delay_time(cls.TEMPLATE)
spend_secret_hash = b2h(r["PUBKEYHASH_LIST"][0])
payee_sec = r["PUBKEY_LIST"][0]
revoke_secret_hash = b2h(r["PUBKEYHASH_LIST"][1])
payer_sec = r["PUBKEY_LIST"][1]
obj = cls(delay_time, spend_secret_hash,
payee_sec, payer_sec, revoke_secret_hash)
assert(obj.script == script)
return obj
raise ValueError("bad script")
def _validate(reference_script_hex, untrusted_script_hex):
ref_script_bin = h2b(reference_script_hex)
untrusted_script_bin = h2b(untrusted_script_hex)
r_pc = 0
u_pc = 0
while r_pc < len(ref_script_bin) and u_pc < len(untrusted_script_bin):
r_opcode, r_data, r_pc = tools.get_opcode(ref_script_bin, r_pc)
u_opcode, u_data, u_pc = tools.get_opcode(untrusted_script_bin, u_pc)
if r_data is not None and b2h(r_data) == "deadbeef":
continue # placeholder for expected variable
if r_opcode != u_opcode or r_data != u_data:
raise InvalidScript(b2h(untrusted_script_bin))
if r_pc != len(ref_script_bin) or u_pc != len(untrusted_script_bin):
raise InvalidScript(b2h(untrusted_script_bin))
def test_batch_handler_web_prepare(self):
web_request = json.dumps([{'allyourbasearebelongtous': True}])
web_handler, certificates_to_issue = self._get_certificate_batch_web_handler()
web_handler.set_certificates_in_batch(web_request)
single_item_batch = web_handler.prepare_batch()
self.assertEqual(
b2h(single_item_batch),
'38451f557bc2b5ad74012d3389798281b993fc7375c024615ed73fb147670ba7')
web_handler, certificates_to_issue = self._get_certificate_batch_web_handler()
web_handler.set_certificates_in_batch(
[{'allyourbasearebelongtous': True}, {'allyourbasearebelongtous': False}])
multi_batch = web_handler.prepare_batch()
self.assertNotEqual(b2h(single_item_batch), b2h(multi_batch))
def solve_change(self, **kwargs):
hash160_lookup = kwargs["hash160_lookup"]
spend_secret = kwargs["spend_secret"]
private_key = hash160_lookup.get(encoding.hash160(self.payer_sec))
secret_exponent, public_pair, compressed = private_key
sig = self._create_script_signature(
secret_exponent, kwargs["sign_value"], kwargs["signature_type"]
)
spend_secret_hash = get_deposit_spend_secret_hash(self.script)
provided_spend_secret_hash = b2h(hash160(h2b(spend_secret)))
assert(spend_secret_hash == provided_spend_secret_hash)
script_text = "{sig} {secret} OP_1 OP_0".format(
sig=b2h(sig), secret=spend_secret
)
return tools.compile(script_text)
def make_transaction(src_priv_key, dst_address, value, data):
src_address = b2h(utils.privtoaddr(src_priv_key))
nonce = get_num_transactions(src_address)
gas_price = get_gas_price_in_wei()
data_as_string = b2h(data)
# print len(data_as_string)
# if len(data) > 0:
# data_as_string = "0x" + data_as_string
start_gas = eval_startgas(src_address, dst_address, value, data_as_string, gas_price)
nonce = int(nonce, 16)
gas_price = int(gas_price, 16)
#int(gas_price, 16)/20
start_gas = int(start_gas, 16) + 100000
start_gas = 4612288 # // 10
#start_gas = 38336
#start_gas = 30048
# start_gas = 5000000
for i in range(1):
tx = transactions.Transaction(nonce,
gas_price,
start_gas,
dst_address,
value,
data).sign(src_priv_key)
tx_hex = b2h(rlp.encode(tx))
tx_hash = b2h(tx.hash)
#print(tx_hex)
# print str(tx_hash)
if use_ether_scan:
params = [{"hex" : "0x" + tx_hex }]
else:
params = ["0x" + tx_hex]
return_value = json_call("eth_sendRawTransaction", params)
if return_value == "0x0000000000000000000000000000000000000000000000000000000000000000":
print "Transaction failed"
return return_value
nonce += 1
#print str(nonce)
wait_for_confirmation(tx_hash)
return return_value
def create_transaction(self, op_return_bytes):
if self.prepared_inputs:
inputs = self.prepared_inputs
else:
spendables = self.connector.get_unspent_outputs(self.issuing_address)
if not spendables:
error_message = 'No money to spend at address {}'.format(self.issuing_address)
logging.error(error_message)
raise InsufficientFundsError(error_message)
cost = self.transaction_creator.estimate_cost_for_certificate_batch(self.tx_cost_constants)
current_total = 0
inputs = []
random.shuffle(spendables)
for s in spendables:
inputs.append(s)
current_total += s.coin_value
if current_total > cost:
break
tx = self.transaction_creator.create_transaction(self.tx_cost_constants, self.issuing_address, inputs,
op_return_bytes)
hex_tx = b2h(tx.serialize())
logging.info('Unsigned hextx=%s', hex_tx)
prepared_tx = tx_utils.prepare_tx_for_signing(hex_tx, inputs)
return prepared_tx
def issue_transaction(self, blockchain_bytes):
eth_data_field = b2h(blockchain_bytes)
prepared_tx = self.create_transaction(blockchain_bytes)
signed_tx = self.sign_transaction(prepared_tx)
self.verify_transaction(signed_tx, eth_data_field)
txid = self.broadcast_transaction(signed_tx)
return txid
def verify_script(script_signature, script_public_key, signature_for_hash_type_f, expected_hash_type=None):
stack = []
is_p2h = (len(script_public_key) == 23 and script_public_key[0] == opcodes.OP_HASH160
and script_public_key[-1] == opcodes.OP_EQUAL)
if not eval_script(script_signature, signature_for_hash_type_f, expected_hash_type, stack):
logging.debug("script_signature did not evaluate")
return False
if is_p2h:
signatures, alt_script_public_key = stack[:-1], stack[-1]
from pycoin.tx.script import tools
from pycoin import serialize
def sub(x):
if x == '00':
return '0'
return x
s1 = [sub(serialize.b2h(s)) for s in signatures]
alt_script_signature = tools.compile(" ".join(s1))
if not eval_script(script_public_key, signature_for_hash_type_f, expected_hash_type, stack):
logging.debug("script_public_key did not evaluate")
return False
if is_p2h and stack[-1] == VCH_TRUE:
return verify_script(alt_script_signature, alt_script_public_key,
signature_for_hash_type_f, expected_hash_type=expected_hash_type)
return stack[-1] == VCH_TRUE
def reformat(spendable):
return {
"txid": b2h_rev(spendable.tx_hash),
"index": spendable.tx_out_index,
"value": spendable.coin_value,
"script": b2h(spendable.script),
}
def create_key(asset, netcode="BTC"):
secure_random_data = os.urandom(32)
key = BIP32Node.from_master_secret(secure_random_data, netcode=netcode)
return {
"asset": asset, "pubkey": b2h(key.sec()),
"wif": key.wif(), "address": key.address(),
}
def save_spendable(self, spendable):
tx_hash = b2h_rev(spendable.tx_hash)
script = b2h(spendable.script)
c = self._exec_sql("insert or replace into Spendable values (?, ?, ?, ?, ?, ?, ?)", tx_hash,
spendable.tx_out_index, spendable.coin_value, script,
spendable.block_index_available, spendable.does_seem_spent,
spendable.block_index_spent)
def hash160data_txout(hexdata, value=548):
data = binary(hexdata)
if len(data) != 20: # 160 bit
raise exceptions.InvalidHash160DataSize(len(data))
script_text = "OP_DUP OP_HASH160 %s OP_EQUALVERIFY OP_CHECKSIG" % b2h(data)
script_bin = tools.compile(script_text)
return TxOut(value, script_bin)
def nulldata_txout(hexdata):
data = binary(hexdata)
if len(data) > 40:
raise exceptions.MaxNulldataExceeded(len(data))
script_text = "OP_RETURN %s" % b2h(data)
script_bin = tools.compile(script_text)
return TxOut(0, script_bin)
def test_h2b(self):
h = "000102"
b = b"\x00\x01\x02"
self.assertEqual(h2b(h), b)
self.assertEqual(b2h(b), h)
self.assertEqual(h2b_rev(h), b[::-1])
self.assertEqual(b2h_rev(b), "020100")
def issue_transaction(self, blockchain_bytes):
eth_data_field = b2h(blockchain_bytes)
prepared_tx = self.create_transaction(blockchain_bytes)
signed_tx = self.sign_transaction(prepared_tx)
self.verify_transaction(signed_tx, eth_data_field)
txid = self.broadcast_transaction(signed_tx)
return txid
def test_h2b(self):
h = "000102"
b = b"\x00\x01\x02"
self.assertEqual(h2b(h), b)
self.assertEqual(b2h(b), h)
self.assertEqual(h2b_rev(h), b[::-1])
self.assertEqual(b2h_rev(b), "020100")
def hash160data_txout(hexdata, dust_limit=common.DUST_LIMIT):
data = binary(hexdata)
if len(data) != 20: # 160 bit
raise exceptions.InvalidHash160DataSize(len(data))
script_text = "OP_DUP OP_HASH160 %s OP_EQUALVERIFY OP_CHECKSIG" % b2h(data)
script_bin = tools.compile(script_text)
return TxOut(dust_limit, script_bin)
def solve_timeout(self, **kwargs):
hash160_lookup = kwargs["hash160_lookup"]
private_key = hash160_lookup.get(encoding.hash160(self.payer_sec))
secret_exponent, public_pair, compressed = private_key
sig = self._create_script_signature(
secret_exponent, kwargs["sign_value"], kwargs["signature_type"]
)
return tools.compile("{sig} OP_0 OP_0".format(sig=b2h(sig)))
def main():
parser = argparse.ArgumentParser(description="Create a Bitcoin transaction.", epilog=EPILOG)
parser.add_argument('-g', "--generate-unsigned", help='generate unsigned transaction', action='store_true')
parser.add_argument('-f', "--private-key-file", help='file containing WIF or BIP0032 private keys', metavar="path-to-file-with-private-keys", type=argparse.FileType('r'))
parser.add_argument('-p', "--private-key", help='WIF or BIP0032 private key', metavar="private-key", type=str, nargs="+")
parser.add_argument('-c', "--coinbase", help='Create a (bogus) coinbase transaction. For testing purposes. You must include exactly one WIF in this case.', action='store_true')
parser.add_argument("txinfo", help='either a hex dump of the unsigned transaction, or a list of bitcoin addresses with optional "/value" if they are destination addresses', nargs="+")
args = parser.parse_args()
if args.coinbase:
new_tx = create_coinbase_tx(parser)
tx_hash_hex = b2h(new_tx.hash())
tx_output_index = 0
tx_out_val = str(satoshi_to_btc(new_tx.txs_out[tx_output_index].coin_value))
tx_out_script_hex = b2h(new_tx.txs_out[tx_output_index].script)
# product output in the form:
# tx_hash_hex/tx_output_index_decimal/tx_out_val/tx_out_script_hex
# which can be used as a fake input to a later transaction
print("/".join([tx_hash_hex, str(tx_output_index), tx_out_val, tx_out_script_hex]))
return
unsigned_tx = get_unsigned_tx(parser)
actual_tx_fee = check_fees(unsigned_tx)
if actual_tx_fee < 0:
sys.exit(1)
print("transaction fee: %s BTC" % satoshi_to_btc(actual_tx_fee))
if args.generate_unsigned:
s = io.BytesIO()
unsigned_tx.stream(s)
tx_bytes = s.getvalue()
tx_hex = b2h(tx_bytes)
print(tx_hex)
sys.exit(0)
secret_exponents = secret_exponents_iterator(args.private_key_file, args.private_key)
solver = SecretExponentSolver(secret_exponents)
new_tx = unsigned_tx.sign(solver)
s = io.BytesIO()
new_tx.stream(s)
tx_bytes = s.getvalue()
tx_hex = b2h(tx_bytes)
print("copy the following hex to http://blockchain.info/pushtx to put the transaction on the network:\n")
print(tx_hex)
def issue_transaction(self, op_return_bytes):
op_return_value = b2h(op_return_bytes)
prepared_tx = self.create_transaction(op_return_bytes)
signed_tx = self.sign_transaction(prepared_tx)
self.verify_transaction(signed_tx, op_return_value)
txid = self.broadcast_transaction(signed_tx)
logging.info('Broadcast transaction with txid %s', txid)
return txid
def sec_as_hex(self, use_uncompressed=None):
"""
Return the SEC representation of this key as hex text.
If use_uncompressed is not set, the preferred representation is returned.
"""
sec = self.sec(use_uncompressed=use_uncompressed)
if sec is None:
return None
return b2h(sec)
def issue_transaction(self, blockchain_bytes):
op_return_value = b2h(blockchain_bytes)
prepared_tx = self.create_transaction(blockchain_bytes)
signed_tx = self.sign_transaction(prepared_tx)
self.verify_transaction(signed_tx, op_return_value)
txid = self.broadcast_transaction(signed_tx)
# this logging is already done in issuer
# logging.info('Broadcast transaction with txid %s', txid)
return txid
def txout(testnet, targetaddress, value):
testnet = flag(testnet)
targetaddress = address(testnet, targetaddress)
value = positive_integer(value)
prefix = b'\x6f' if testnet else b"\0"
hash160 = b2h(bitcoin_address_to_hash160_sec(targetaddress, prefix))
script_text = "OP_DUP OP_HASH160 %s OP_EQUALVERIFY OP_CHECKSIG" % hash160
script_bin = tools.compile(script_text)
return TxOut(value, script_bin)
def trace_script(pc, opcode, data, stack, altstack, if_condition_stack, is_signature):
from pycoin.serialize import b2h
print("stack: [%s]" % ' '.join(b2h(s) for s in stack))
if len(altstack) > 0:
print("altstack: %s" % altstack)
print("condition stack: %s" % if_condition_stack)
print("%3d : %02x %s" % (pc, opcode, disassemble_for_opcode_data(opcode, data)))
if use_pdb:
import pdb
pdb.set_trace()
def __init__(self, secret_exponents):
super(OfflineAwareSolver, self).__init__(secret_exponents)
STANDARD_SCRIPT_OUT = "OP_DUP OP_HASH160 %s OP_EQUALVERIFY OP_CHECKSIG"
self.script_hash160 = []
for se in secret_exponents:
pp = public_pair_for_secret_exponent(generator_secp256k1, se)
h160sec = public_pair_to_hash160_sec(pp, False)
script_text = STANDARD_SCRIPT_OUT % b2h(h160sec)
print script_text
self.script_hash160.append(compile(script_text))