def genmultisig(nreq, mtotal, *pubkeys):
'''Generate a new multisignature address and redemption script that requires `nreq' signatures to spend and provides a possible `mtotal'.
If public keys are provided on the command line, those are used instead of generating new ones.'''
nreq = int(nreq)
mtotal = int(mtotal)
pubkeys = list(pubkeys)
assert 0 <= nreq <= mtotal
assert len(pubkeys) <= mtotal
# Create new keys if necessary
while len(pubkeys) < mtotal:
pk = pyspv.keys.PrivateKey.create_new()
spv.wallet.add('private_key', pk, {'label': ''})
pubkeys.append(pk.get_public_key(compressed=True).as_hex())
pubkeys = [pyspv.keys.PublicKey.from_hex(pubkey) for pubkey in pubkeys]
pubkeys.sort()
# build the M-of-N multisig redemption script and add it to the wallet
# (the p2sh monitor will notice that we added a redemption script to the
# wallet and start watching for transactions to it
script = pyspv.script.Script()
script.push_int(nreq)
for pubkey in pubkeys:
script.push_bytes(pubkey.pubkey)
script.push_int(len(pubkeys))
script.push_op(pyspv.script.OP_CHECKMULTISIG)
redemption_script = script.program
address = pyspv.base58_check(
spv.coin,
spv.coin.hash160(redemption_script),
version_bytes=spv.coin.P2SH_ADDRESS_VERSION_BYTES)
try:
spv.wallet.add('redemption_script', redemption_script, {})
except pyspv.wallet.DuplicateWalletItem:
# No worries, we already have this redemption script
if spv.logging_level <= pyspv.INFO:
print('[simple-wallet] Duplicate redemption script??')
pass
return {
'address':
address,
'redemption_script':
pyspv.bytes_to_hexstring(redemption_script, reverse=False),
'pubkeys': [pubkey.as_hex() for pubkey in pubkeys],
'nreq':
nreq,
}
def getnewstealthaddress(label=''):
pk = pyspv.keys.PrivateKey.create_new()
spv.wallet.add('private_key', pk, {
'label': label,
'stealth_payments': True
})
return pyspv.base58_check(
spv.coin,
pk.get_public_key(True).pubkey,
version_bytes=spv.coin.STEALTH_ADDRESS_VERSION_BYTES,
suffix_bytes=spv.coin.STEALTH_ADDRESS_SUFFIX_BYTES)
def genmultisig(nreq, mtotal, *pubkeys):
'''Generate a new multisignature address and redemption script that requires `nreq' signatures to spend and provides a possible `mtotal'.
If public keys are provided on the command line, those are used instead of generating new ones.'''
nreq = int(nreq)
mtotal = int(mtotal)
pubkeys = list(pubkeys)
assert 0 <= nreq <= mtotal
assert len(pubkeys) <= mtotal
# Create new keys if necessary
while len(pubkeys) < mtotal:
pk = pyspv.keys.PrivateKey.create_new()
spv.wallet.add('private_key', pk, {'label': ''})
pubkeys.append(pk.get_public_key(compressed=True).as_hex())
pubkeys = [pyspv.keys.PublicKey.from_hex(pubkey) for pubkey in pubkeys]
pubkeys.sort()
# build the M-of-N multisig redemption script and add it to the wallet
# (the p2sh monitor will notice that we added a redemption script to the
# wallet and start watching for transactions to it
script = pyspv.script.Script()
script.push_int(nreq)
for pubkey in pubkeys:
script.push_bytes(pubkey.pubkey)
script.push_int(len(pubkeys))
script.push_op(pyspv.script.OP_CHECKMULTISIG)
redemption_script = script.program
address = pyspv.base58_check(spv.coin, spv.coin.hash160(redemption_script), version_bytes=spv.coin.P2SH_ADDRESS_VERSION_BYTES)
try:
spv.wallet.add('redemption_script', redemption_script, {})
except pyspv.wallet.DuplicateWalletItem:
# No worries, we already have this redemption script
if spv.logging_level <= pyspv.INFO:
print('[simple-wallet] Duplicate redemption script??')
pass
return {
'address': address,
'redemption_script': pyspv.bytes_to_hexstring(redemption_script, reverse=False),
'pubkeys': [ pubkey.as_hex() for pubkey in pubkeys ],
'nreq': nreq,
}
def getnewstealthaddress(label=''):
pk = pyspv.keys.PrivateKey.create_new()
spv.wallet.add('private_key', pk, {'label': label, 'stealth_payments': True})
return pyspv.base58_check(spv.coin, pk.get_public_key(True).pubkey, version_bytes=spv.coin.STEALTH_ADDRESS_VERSION_BYTES, suffix_bytes=spv.coin.STEALTH_ADDRESS_SUFFIX_BYTES)
