def sign_announce(self, alias, password):
"""Sign a Masternode Announce message for alias."""
self.check_can_sign_masternode(alias)
mn = self.get_masternode(alias)
# Ensure that the masternode's vin is valid.
if mn.vin.get('scriptSig') is None:
mn.vin['scriptSig'] = ''
if mn.vin.get('sequence') is None:
mn.vin['sequence'] = 0xffffffff
# Ensure that the masternode's last_ping is current.
height = self.wallet.get_local_height() - 12
header = self.wallet.network.get_header(height)
mn.last_ping.block_hash = Blockchain.hash_header(header)
mn.last_ping.vin = mn.vin
# Sign ping with delegate key.
self.wallet.sign_masternode_ping(mn.last_ping, mn.delegate_key)
# After creating the Masternode Ping, sign the Masternode Announce.
address = bitcoin.public_key_to_bc_address(
mn.collateral_key.decode('hex'))
mn.sig = self.wallet.sign_message(
address, mn.serialize_for_sig(update_time=True), password)
return mn
def get_address_from_output_script(bytes):
decoded = [x for x in script_GetOp(bytes)]
# The Genesis Block, self-payments,
# and pay-by-IP-address payments look like:
# 65 BYTES:... CHECKSIG
match = [opcodes.OP_PUSHDATA4, opcodes.OP_CHECKSIG]
if match_decoded(decoded, match):
return public_key_to_bc_address(decoded[0][1])
# Pay-by-Bitcoin-address TxOuts look like:
# DUP HASH160 20 BYTES:... EQUALVERIFY CHECKSIG
match = [opcodes.OP_DUP,
opcodes.OP_HASH160,
opcodes.OP_PUSHDATA4,
opcodes.OP_EQUALVERIFY,
opcodes.OP_CHECKSIG]
if match_decoded(decoded, match):
return hash_160_to_bc_address(decoded[2][1])
# p2sh
match = [opcodes.OP_HASH160, opcodes.OP_PUSHDATA4, opcodes.OP_EQUAL]
if match_decoded(decoded, match):
return hash_160_to_bc_address(decoded[1][1], chain.script_version)
return "(None)"
def get_address_from_input_script(bytes):
decoded = [ x for x in script_GetOp(bytes) ]
# non-generated TxIn transactions push a signature
# (seventy-something bytes) and then their public key
# (65 bytes) onto the stack:
match = [ opcodes.OP_PUSHDATA4, opcodes.OP_PUSHDATA4 ]
if match_decoded(decoded, match):
return public_key_to_bc_address(decoded[1][1])
# p2sh transaction, 2 of n
match = [ opcodes.OP_0, opcodes.OP_PUSHDATA4, opcodes.OP_PUSHDATA4, opcodes.OP_PUSHDATA4 ]
if match_decoded(decoded, match):
bytes = decoded[3][1]
dec2 = [ x for x in script_GetOp(bytes) ]
# 2 of 2
match2 = [ opcodes.OP_2, opcodes.OP_PUSHDATA4, opcodes.OP_PUSHDATA4, opcodes.OP_2, opcodes.OP_CHECKMULTISIG ]
if match_decoded(dec2, match2):
pubkeys = [ dec2[1][1].encode('hex'), dec2[2][1].encode('hex') ]
s = multisig_script(pubkeys)
return hash_160_to_bc_address(hash_160(s.decode('hex')), 5)
# 2 of 3
match2 = [ opcodes.OP_2, opcodes.OP_PUSHDATA4, opcodes.OP_PUSHDATA4, opcodes.OP_PUSHDATA4, opcodes.OP_3, opcodes.OP_CHECKMULTISIG ]
if match_decoded(dec2, match2):
pubkeys = [ dec2[1][1].encode('hex'), dec2[2][1].encode('hex'), dec2[3][1].encode('hex') ]
s = multisig_script(pubkeys)
return hash_160_to_bc_address(hash_160(s.decode('hex')), 5)
return "p2sh, unknown"
return "(None)"
def get_address_from_output_script(bytes):
decoded = [x for x in script_GetOp(bytes)]
# The Genesis Block, self-payments,
# and pay-by-IP-address payments look like:
# 65 BYTES:... CHECKSIG
match = [opcodes.OP_PUSHDATA4, opcodes.OP_CHECKSIG]
if match_decoded(decoded, match):
return public_key_to_bc_address(decoded[0][1])
# Pay-by-Bitcoin-address TxOuts look like:
# DUP HASH160 20 BYTES:... EQUALVERIFY CHECKSIG
match = [opcodes.OP_DUP,
opcodes.OP_HASH160,
opcodes.OP_PUSHDATA4,
opcodes.OP_EQUALVERIFY,
opcodes.OP_CHECKSIG]
if match_decoded(decoded, match):
return hash_160_to_bc_address(decoded[2][1])
# p2sh
match = [opcodes.OP_HASH160, opcodes.OP_PUSHDATA4, opcodes.OP_EQUAL]
if match_decoded(decoded, match):
return hash_160_to_bc_address(decoded[1][1], 5)
return "(None)"
def get_address_from_input_script(bytes):
try:
decoded = [x for x in script_GetOp(bytes)]
except:
# coinbase transactions raise an exception
print_error("cannot find address in input script", bytes.encode('hex'))
return [], [], "(None)"
# non-generated TxIn transactions push a signature
# (seventy-something bytes) and then their public key
# (65 bytes) onto the stack:
match = [opcodes.OP_PUSHDATA4, opcodes.OP_PUSHDATA4]
if match_decoded(decoded, match):
return ([decoded[1][1].encode('hex')],
[decoded[0][1].encode('hex')],
public_key_to_bc_address(decoded[1][1]))
# p2sh transaction, 2 of n
match = [opcodes.OP_0]
while len(match) < len(decoded):
match.append(opcodes.OP_PUSHDATA4)
if match_decoded(decoded, match):
redeemScript = decoded[-1][1]
signatures = map(lambda x: x[1].encode('hex'), decoded[1:-1])
dec2 = [x for x in script_GetOp(redeemScript)]
# 2 of 2
match2 = [opcodes.OP_2,
opcodes.OP_PUSHDATA4,
opcodes.OP_PUSHDATA4,
opcodes.OP_2,
opcodes.OP_CHECKMULTISIG]
if match_decoded(dec2, match2):
pubkeys = [dec2[1][1].encode('hex'),
dec2[2][1].encode('hex')]
return (pubkeys,
signatures,
hash_160_to_bc_address(hash_160(redeemScript), 5))
# 2 of 3
match2 = [opcodes.OP_2,
opcodes.OP_PUSHDATA4,
opcodes.OP_PUSHDATA4,
opcodes.OP_PUSHDATA4,
opcodes.OP_3,
opcodes.OP_CHECKMULTISIG]
if match_decoded(dec2, match2):
pubkeys = [dec2[1][1].encode('hex'),
dec2[2][1].encode('hex'),
dec2[3][1].encode('hex')]
return (pubkeys,
signatures,
hash_160_to_bc_address(hash_160(redeemScript), 5))
print_error("cannot find address in input script", bytes.encode('hex'))
return [], [], "(None)"
def get_address_from_input_script(bytes):
try:
decoded = [x for x in script_GetOp(bytes)]
except:
# coinbase transactions raise an exception
print_error("cannot find address in input script", bytes.encode('hex'))
return [], [], "(None)"
# non-generated TxIn transactions push a signature
# (seventy-something bytes) and then their public key
# (65 bytes) onto the stack:
match = [opcodes.OP_PUSHDATA4, opcodes.OP_PUSHDATA4]
if match_decoded(decoded, match):
return ([decoded[1][1].encode('hex')],
[decoded[0][1].encode('hex')],
public_key_to_bc_address(decoded[1][1]))
# p2sh transaction, 2 of n
match = [opcodes.OP_0]
while len(match) < len(decoded):
match.append(opcodes.OP_PUSHDATA4)
if match_decoded(decoded, match):
redeemScript = decoded[-1][1]
signatures = map(lambda x: x[1].encode('hex'), decoded[1:-1])
dec2 = [x for x in script_GetOp(redeemScript)]
# 2 of 2
match2 = [opcodes.OP_2,
opcodes.OP_PUSHDATA4,
opcodes.OP_PUSHDATA4,
opcodes.OP_2,
opcodes.OP_CHECKMULTISIG]
if match_decoded(dec2, match2):
pubkeys = [dec2[1][1].encode('hex'),
dec2[2][1].encode('hex')]
return (pubkeys,
signatures,
hash_160_to_bc_address(hash_160(redeemScript), chain.script_version))
# 2 of 3
match2 = [opcodes.OP_2,
opcodes.OP_PUSHDATA4,
opcodes.OP_PUSHDATA4,
opcodes.OP_PUSHDATA4,
opcodes.OP_3,
opcodes.OP_CHECKMULTISIG]
if match_decoded(dec2, match2):
pubkeys = [dec2[1][1].encode('hex'),
dec2[2][1].encode('hex'),
dec2[3][1].encode('hex')]
return (pubkeys,
signatures,
hash_160_to_bc_address(hash_160(redeemScript), chain.script_version))
print_error("cannot find address in input script", bytes.encode('hex'))
return [], [], "(None)"
def get_pubkey_derivation(self, x_pubkey):
if x_pubkey[0:2] in ['02', '03', '04']:
if x_pubkey in self.keypairs.keys():
return x_pubkey
elif x_pubkey[0:2] == 'fd':
# fixme: this assumes p2pkh
_, addr = xpubkey_to_address(x_pubkey)
for pubkey in self.keypairs.keys():
if public_key_to_bc_address(pubkey.decode('hex')) == addr:
return pubkey
def get_pubkey_derivation(self, x_pubkey):
if x_pubkey[0:2] in ['02', '03', '04']:
if x_pubkey in self.keypairs.keys():
return x_pubkey
elif x_pubkey[0:2] == 'fd':
# fixme: this assumes p2pkh
_, addr = xpubkey_to_address(x_pubkey)
for pubkey in self.keypairs.keys():
if public_key_to_bc_address(pubkey.decode('hex')) == addr:
return pubkey
def get_pubkey_derivation(self, x_pubkey):
if x_pubkey[0:2] in ['02', '03', '04']:
if x_pubkey in self.receiving_pubkeys:
i = self.receiving_pubkeys.index(x_pubkey)
return (False, i)
elif x_pubkey[0:2] == 'fd':
# fixme: this assumes p2pkh
_, addr = xpubkey_to_address(x_pubkey)
for i, pubkey in enumerate(self.receiving_pubkeys):
if public_key_to_bc_address(pubkey.decode('hex')) == addr:
return (False, i)
def sign(self, wif, current_time=None):
"""Sign the vote."""
update_time = True
if current_time is not None:
self.timestamp = current_time
update_time = False
delegate_pubkey = bitcoin.public_key_from_private_key(wif).decode('hex')
eckey = bitcoin.regenerate_key(wif)
serialized = unicode(self.serialize_for_sig(update_time=update_time)).encode('utf-8')
return eckey.sign_message(serialized, bitcoin.is_compressed(wif),
bitcoin.public_key_to_bc_address(delegate_pubkey))
def extract_public_key(bytes):
decoded = [ x for x in script_GetOp(bytes) ]
# non-generated TxIn transactions push a signature
# (seventy-something bytes) and then their public key
# (65 bytes) onto the stack:
match = [ opcodes.OP_PUSHDATA4, opcodes.OP_PUSHDATA4 ]
if match_decoded(decoded, match):
return public_key_to_bc_address(decoded[1][1])
# The Genesis Block, self-payments, and pay-by-IP-address payments look like:
# 65 BYTES:... CHECKSIG
match = [ opcodes.OP_PUSHDATA4, opcodes.OP_CHECKSIG ]
if match_decoded(decoded, match):
return public_key_to_bc_address(decoded[0][1])
# Pay-by-Bitcoin-address TxOuts look like:
# DUP HASH160 20 BYTES:... EQUALVERIFY CHECKSIG
match = [ opcodes.OP_DUP, opcodes.OP_HASH160, opcodes.OP_PUSHDATA4, opcodes.OP_EQUALVERIFY, opcodes.OP_CHECKSIG ]
if match_decoded(decoded, match):
return hash_160_to_bc_address(decoded[2][1])
return "(None)"
def sign(self, wif, current_time=None):
"""Sign the masternode announce message.
If current_time is specified, sig_time will not be updated.
"""
update_time = True
if current_time is not None:
self.sig_time = current_time
update_time = False
eckey = bitcoin.regenerate_key(wif)
serialized = self.serialize_for_sig(update_time=update_time)
self.sig = eckey.sign_message(
serialized, bitcoin.is_compressed(wif),
bitcoin.public_key_to_bc_address(
self.collateral_key.decode('hex')))
return self.sig
def xpubkey_to_address(x_pubkey):
if x_pubkey[0:2] in ['02','03','04']:
pubkey = x_pubkey
elif x_pubkey[0:2] == 'ff':
xpub, s = BIP32_KeyStore.parse_xpubkey(x_pubkey)
pubkey = BIP32_KeyStore.get_pubkey_from_xpub(xpub, s)
elif x_pubkey[0:2] == 'fe':
mpk, s = Old_KeyStore.parse_xpubkey(x_pubkey)
pubkey = Old_KeyStore.get_pubkey_from_mpk(mpk, s[0], s[1])
elif x_pubkey[0:2] == 'fd':
addrtype = ord(x_pubkey[2:4].decode('hex'))
hash160 = x_pubkey[4:].decode('hex')
pubkey = None
address = hash_160_to_bc_address(hash160, addrtype)
else:
raise BaseException("Cannnot parse pubkey")
if pubkey:
address = public_key_to_bc_address(pubkey.decode('hex'))
return pubkey, address
def xpubkey_to_address(x_pubkey):
if x_pubkey[0:2] in ['02', '03', '04']:
pubkey = x_pubkey
elif x_pubkey[0:2] == 'ff':
xpub, s = BIP32_KeyStore.parse_xpubkey(x_pubkey)
pubkey = BIP32_KeyStore.get_pubkey_from_xpub(xpub, s)
elif x_pubkey[0:2] == 'fe':
mpk, s = Old_KeyStore.parse_xpubkey(x_pubkey)
pubkey = Old_KeyStore.get_pubkey_from_mpk(mpk, s[0], s[1])
elif x_pubkey[0:2] == 'fd':
addrtype = ord(x_pubkey[2:4].decode('hex'))
hash160 = x_pubkey[4:].decode('hex')
pubkey = None
address = hash_160_to_bc_address(hash160, addrtype)
else:
raise BaseException("Cannnot parse pubkey")
if pubkey:
address = public_key_to_bc_address(pubkey.decode('hex'))
return pubkey, address
def sign(self, wif, delegate_pubkey=None, current_time=None):
"""Sign this ping.
If delegate_pubkey is specified, it will be used to verify the signature.
If current_time is specified, sig_time will not be updated.
"""
update_time = True
if current_time is not None:
self.sig_time = current_time
update_time = False
eckey = bitcoin.regenerate_key(wif)
serialized = unicode(
self.serialize_for_sig(update_time=update_time)).encode('utf-8')
if not delegate_pubkey:
delegate_pubkey = bitcoin.public_key_from_private_key(wif).decode(
'hex')
self.sig = eckey.sign_message(
serialized, bitcoin.is_compressed(wif),
bitcoin.public_key_to_bc_address(delegate_pubkey))
return self.sig
def get_address_from_input_script(bytes):
decoded = [ x for x in script_GetOp(bytes) ]
# non-generated TxIn transactions push a signature
# (seventy-something bytes) and then their public key
# (65 bytes) onto the stack:
match = [ opcodes.OP_PUSHDATA4, opcodes.OP_PUSHDATA4 ]
if match_decoded(decoded, match):
return None, None, public_key_to_bc_address(decoded[1][1])
# p2sh transaction, 2 of n
match = [ opcodes.OP_0 ]
while len(match) < len(decoded):
match.append(opcodes.OP_PUSHDATA4)
if match_decoded(decoded, match):
redeemScript = decoded[-1][1]
num = len(match) - 2
signatures = map(lambda x:x[1].encode('hex'), decoded[1:-1])
dec2 = [ x for x in script_GetOp(redeemScript) ]
# 2 of 2
match2 = [ opcodes.OP_2, opcodes.OP_PUSHDATA4, opcodes.OP_PUSHDATA4, opcodes.OP_2, opcodes.OP_CHECKMULTISIG ]
if match_decoded(dec2, match2):
pubkeys = [ dec2[1][1].encode('hex'), dec2[2][1].encode('hex') ]
return pubkeys, signatures, hash_160_to_bc_address(hash_160(redeemScript), 5)
# 2 of 3
match2 = [ opcodes.OP_2, opcodes.OP_PUSHDATA4, opcodes.OP_PUSHDATA4, opcodes.OP_PUSHDATA4, opcodes.OP_3, opcodes.OP_CHECKMULTISIG ]
if match_decoded(dec2, match2):
pubkeys = [ dec2[1][1].encode('hex'), dec2[2][1].encode('hex'), dec2[3][1].encode('hex') ]
return pubkeys, signatures, hash_160_to_bc_address(hash_160(redeemScript), 5)
raise BaseException("no match for scriptsig")
def get_address(self, for_change, n):
pubkey = self.get_pubkey(for_change, n)
address = public_key_to_bc_address(pubkey.decode('hex'))
return address
def point2addr(p): return bitcoin.public_key_to_bc_address(point2pubkey(p))
def pubkey2addr(pubkey): return bitcoin.public_key_to_bc_address(toraw(pubkey))
def get_address(self, for_change, n):
pubkey = self.get_pubkey(for_change, n)
address = public_key_to_bc_address(pubkey.decode('hex'))
return address
def verify(self, addr=None):
"""Verify that our sig is signed with addr's key."""
if not addr:
addr = bitcoin.public_key_to_bc_address(
self.collateral_key.decode('hex'))
return bitcoin.verify_message(addr, self.sig, self.serialize_for_sig())
