test: use script_util helpers for creating P2W{PKH,SH} scripts

This commit is contained in:
Sebastian Falbesoner 2021-06-28 20:45:04 +02:00
parent 285a65ccfd
commit 905d672b74
6 changed files with 58 additions and 80 deletions

View file

@ -23,7 +23,6 @@ from test_framework.messages import (
CTransaction,
CTxIn,
CTxOut,
sha256,
tx_from_hex,
)
from test_framework.script import (
@ -35,11 +34,12 @@ from test_framework.script import (
OP_CHECKSIG,
OP_DROP,
OP_TRUE,
hash160,
)
from test_framework.script_util import (
key_to_p2pkh_script,
key_to_p2wpkh_script,
script_to_p2sh_script,
script_to_p2wsh_script,
)
from test_framework.test_framework import BitcoinTestFramework
from test_framework.util import (
@ -428,9 +428,9 @@ class SegWitTest(BitcoinTestFramework):
# 2N7MGY19ti4KDMSzRfPAssP6Pxyuxoi6jLe is the P2SH(P2PKH) version of mjoE3sSrb8ByYEvgnC3Aox86u1CHnfJA4V
unsolvable_address_key = hex_str_to_bytes("02341AEC7587A51CDE5279E0630A531AEA2615A9F80B17E8D9376327BAEAA59E3D")
unsolvablep2pkh = key_to_p2pkh_script(unsolvable_address_key)
unsolvablep2wshp2pkh = CScript([OP_0, sha256(unsolvablep2pkh)])
unsolvablep2wshp2pkh = script_to_p2wsh_script(unsolvablep2pkh)
p2shop0 = script_to_p2sh_script(op0)
p2wshop1 = CScript([OP_0, sha256(op1)])
p2wshop1 = script_to_p2wsh_script(op1)
unsolvable_after_importaddress.append(unsolvablep2pkh)
unsolvable_after_importaddress.append(unsolvablep2wshp2pkh)
unsolvable_after_importaddress.append(op1) # OP_1 will be imported as script
@ -450,16 +450,16 @@ class SegWitTest(BitcoinTestFramework):
if (v['isscript']):
bare = hex_str_to_bytes(v['hex'])
importlist.append(bare.hex())
importlist.append(CScript([OP_0, sha256(bare)]).hex())
importlist.append(script_to_p2wsh_script(bare).hex())
else:
pubkey = hex_str_to_bytes(v['pubkey'])
p2pk = CScript([pubkey, OP_CHECKSIG])
p2pkh = key_to_p2pkh_script(pubkey)
importlist.append(p2pk.hex())
importlist.append(p2pkh.hex())
importlist.append(CScript([OP_0, hash160(pubkey)]).hex())
importlist.append(CScript([OP_0, sha256(p2pk)]).hex())
importlist.append(CScript([OP_0, sha256(p2pkh)]).hex())
importlist.append(key_to_p2wpkh_script(pubkey).hex())
importlist.append(script_to_p2wsh_script(p2pk).hex())
importlist.append(script_to_p2wsh_script(p2pkh).hex())
importlist.append(unsolvablep2pkh.hex())
importlist.append(unsolvablep2wshp2pkh.hex())
@ -614,20 +614,20 @@ class SegWitTest(BitcoinTestFramework):
def p2sh_address_to_script(self, v):
bare = CScript(hex_str_to_bytes(v['hex']))
p2sh = CScript(hex_str_to_bytes(v['scriptPubKey']))
p2wsh = CScript([OP_0, sha256(bare)])
p2wsh = script_to_p2wsh_script(bare)
p2sh_p2wsh = script_to_p2sh_script(p2wsh)
return([bare, p2sh, p2wsh, p2sh_p2wsh])
def p2pkh_address_to_script(self, v):
pubkey = hex_str_to_bytes(v['pubkey'])
p2wpkh = CScript([OP_0, hash160(pubkey)])
p2wpkh = key_to_p2wpkh_script(pubkey)
p2sh_p2wpkh = script_to_p2sh_script(p2wpkh)
p2pk = CScript([pubkey, OP_CHECKSIG])
p2pkh = CScript(hex_str_to_bytes(v['scriptPubKey']))
p2sh_p2pk = script_to_p2sh_script(p2pk)
p2sh_p2pkh = script_to_p2sh_script(p2pkh)
p2wsh_p2pk = CScript([OP_0, sha256(p2pk)])
p2wsh_p2pkh = CScript([OP_0, sha256(p2pkh)])
p2wsh_p2pk = script_to_p2wsh_script(p2pk)
p2wsh_p2pkh = script_to_p2wsh_script(p2pkh)
p2sh_p2wsh_p2pk = script_to_p2sh_script(p2wsh_p2pk)
p2sh_p2wsh_p2pkh = script_to_p2sh_script(p2wsh_p2pkh)
return [p2wpkh, p2sh_p2wpkh, p2pk, p2pkh, p2sh_p2pk, p2sh_p2pkh, p2wsh_p2pk, p2wsh_p2pkh, p2sh_p2wsh_p2pk, p2sh_p2wsh_p2pkh]

View file

@ -76,15 +76,16 @@ from test_framework.script import (
taproot_construct,
)
from test_framework.script_util import (
key_to_p2wpkh_script,
keyhash_to_p2pkh_script,
script_to_p2sh_script,
script_to_p2wsh_script,
)
from test_framework.test_framework import BitcoinTestFramework
from test_framework.util import assert_raises_rpc_error, assert_equal
from test_framework.key import generate_privkey, compute_xonly_pubkey, sign_schnorr, tweak_add_privkey, ECKey
from test_framework.address import (
hash160,
sha256,
)
from collections import OrderedDict, namedtuple
from io import BytesIO
@ -461,13 +462,13 @@ def make_spender(comment, *, tap=None, witv0=False, script=None, pkh=None, p2sh=
# P2WPKH
assert script is None
pubkeyhash = hash160(pkh)
spk = CScript([OP_0, pubkeyhash])
spk = key_to_p2wpkh_script(pkh)
conf["scriptcode"] = keyhash_to_p2pkh_script(pubkeyhash)
conf["script_witv0"] = None
conf["inputs"] = [getter("sign"), pkh]
elif script is not None:
# P2WSH
spk = CScript([OP_0, sha256(script)])
spk = script_to_p2wsh_script(script)
conf["scriptcode"] = script
conf["script_witv0"] = script
else:

View file

@ -41,7 +41,6 @@ from test_framework.messages import (
ser_vector,
sha256,
tx_from_hex,
uint256_from_str,
)
from test_framework.p2p import (
P2PInterface,
@ -74,8 +73,10 @@ from test_framework.script import (
hash160,
)
from test_framework.script_util import (
key_to_p2wpkh_script,
keyhash_to_p2pkh_script,
script_to_p2sh_script,
script_to_p2wsh_script,
)
from test_framework.test_framework import BitcoinTestFramework
from test_framework.util import (
@ -488,8 +489,7 @@ class SegWitTest(BitcoinTestFramework):
# Create two outputs, a p2wsh and p2sh-p2wsh
witness_program = CScript([OP_TRUE])
witness_hash = sha256(witness_program)
script_pubkey = CScript([OP_0, witness_hash])
script_pubkey = script_to_p2wsh_script(witness_program)
p2sh_script_pubkey = script_to_p2sh_script(script_pubkey)
value = self.utxo[0].nValue // 3
@ -625,8 +625,7 @@ class SegWitTest(BitcoinTestFramework):
V0 segwit inputs may only be mined after activation, but not before."""
witness_program = CScript([OP_TRUE])
witness_hash = sha256(witness_program)
script_pubkey = CScript([OP_0, witness_hash])
script_pubkey = script_to_p2wsh_script(witness_program)
p2sh_script_pubkey = script_to_p2sh_script(witness_program)
# First prepare a p2sh output (so that spending it will pass standardness)
@ -654,6 +653,7 @@ class SegWitTest(BitcoinTestFramework):
test_transaction_acceptance(self.nodes[1], self.std_node, tx, with_witness=True, accepted=True)
# Now create something that looks like a P2PKH output. This won't be spendable.
witness_hash = sha256(witness_program)
script_pubkey = CScript([OP_0, hash160(witness_hash)])
tx2 = CTransaction()
# tx was accepted, so we spend the second output.
@ -732,8 +732,7 @@ class SegWitTest(BitcoinTestFramework):
# Prepare the p2sh-wrapped witness output
witness_program = CScript([OP_DROP, OP_TRUE])
witness_hash = sha256(witness_program)
p2wsh_pubkey = CScript([OP_0, witness_hash])
p2wsh_pubkey = script_to_p2wsh_script(witness_program)
script_pubkey = script_to_p2sh_script(p2wsh_pubkey)
script_sig = CScript([p2wsh_pubkey]) # a push of the redeem script
@ -828,8 +827,7 @@ class SegWitTest(BitcoinTestFramework):
# Let's construct a witness program
witness_program = CScript([OP_TRUE])
witness_hash = sha256(witness_program)
script_pubkey = CScript([OP_0, witness_hash])
script_pubkey = script_to_p2wsh_script(witness_program)
tx.vout.append(CTxOut(self.utxo[0].nValue - 1000, script_pubkey))
tx.rehash()
@ -942,8 +940,7 @@ class SegWitTest(BitcoinTestFramework):
NUM_OUTPUTS = 50
witness_program = CScript([OP_2DROP] * NUM_DROPS + [OP_TRUE])
witness_hash = uint256_from_str(sha256(witness_program))
script_pubkey = CScript([OP_0, ser_uint256(witness_hash)])
script_pubkey = script_to_p2wsh_script(witness_program)
prevout = COutPoint(self.utxo[0].sha256, self.utxo[0].n)
value = self.utxo[0].nValue
@ -1045,8 +1042,7 @@ class SegWitTest(BitcoinTestFramework):
block = self.build_next_block()
witness_program = CScript([OP_DROP, OP_TRUE])
witness_hash = sha256(witness_program)
script_pubkey = CScript([OP_0, witness_hash])
script_pubkey = script_to_p2wsh_script(witness_program)
# First try extra witness data on a tx that doesn't require a witness
tx = CTransaction()
@ -1118,8 +1114,7 @@ class SegWitTest(BitcoinTestFramework):
block = self.build_next_block()
witness_program = CScript([OP_DROP, OP_TRUE])
witness_hash = sha256(witness_program)
script_pubkey = CScript([OP_0, witness_hash])
script_pubkey = script_to_p2wsh_script(witness_program)
tx = CTransaction()
tx.vin.append(CTxIn(COutPoint(self.utxo[0].sha256, self.utxo[0].n), b""))
@ -1157,8 +1152,7 @@ class SegWitTest(BitcoinTestFramework):
# This program is 19 max pushes (9937 bytes), then 64 more opcode-bytes.
long_witness_program = CScript([b'a' * MAX_SCRIPT_ELEMENT_SIZE] * 19 + [OP_DROP] * 63 + [OP_TRUE])
assert len(long_witness_program) == MAX_PROGRAM_LENGTH + 1
long_witness_hash = sha256(long_witness_program)
long_script_pubkey = CScript([OP_0, long_witness_hash])
long_script_pubkey = script_to_p2wsh_script(long_witness_program)
block = self.build_next_block()
@ -1181,8 +1175,7 @@ class SegWitTest(BitcoinTestFramework):
# Try again with one less byte in the witness program
witness_program = CScript([b'a' * MAX_SCRIPT_ELEMENT_SIZE] * 19 + [OP_DROP] * 62 + [OP_TRUE])
assert len(witness_program) == MAX_PROGRAM_LENGTH
witness_hash = sha256(witness_program)
script_pubkey = CScript([OP_0, witness_hash])
script_pubkey = script_to_p2wsh_script(witness_program)
tx.vout[0] = CTxOut(tx.vout[0].nValue, script_pubkey)
tx.rehash()
@ -1201,8 +1194,7 @@ class SegWitTest(BitcoinTestFramework):
"""Test that vin length must match vtxinwit length."""
witness_program = CScript([OP_DROP, OP_TRUE])
witness_hash = sha256(witness_program)
script_pubkey = CScript([OP_0, witness_hash])
script_pubkey = script_to_p2wsh_script(witness_program)
# Create a transaction that splits our utxo into many outputs
tx = CTransaction()
@ -1309,8 +1301,7 @@ class SegWitTest(BitcoinTestFramework):
# Now try to add extra witness data to a valid witness tx.
witness_program = CScript([OP_TRUE])
witness_hash = sha256(witness_program)
script_pubkey = CScript([OP_0, witness_hash])
script_pubkey = script_to_p2wsh_script(witness_program)
tx2 = CTransaction()
tx2.vin.append(CTxIn(COutPoint(tx_hash, 0), b""))
tx2.vout.append(CTxOut(tx.vout[0].nValue - 1000, script_pubkey))
@ -1472,8 +1463,7 @@ class SegWitTest(BitcoinTestFramework):
block = self.build_next_block()
# Change the output of the block to be a witness output.
witness_program = CScript([OP_TRUE])
witness_hash = sha256(witness_program)
script_pubkey = CScript([OP_0, witness_hash])
script_pubkey = script_to_p2wsh_script(witness_program)
block.vtx[0].vout[0].scriptPubKey = script_pubkey
# This next line will rehash the coinbase and update the merkle
# root, and solve.
@ -1520,7 +1510,7 @@ class SegWitTest(BitcoinTestFramework):
# Test 1: P2WPKH
# First create a P2WPKH output that uses an uncompressed pubkey
pubkeyhash = hash160(pubkey)
script_pkh = CScript([OP_0, pubkeyhash])
script_pkh = key_to_p2wpkh_script(pubkey)
tx = CTransaction()
tx.vin.append(CTxIn(COutPoint(utxo.sha256, utxo.n), b""))
tx.vout.append(CTxOut(utxo.nValue - 1000, script_pkh))
@ -1534,8 +1524,7 @@ class SegWitTest(BitcoinTestFramework):
# Now try to spend it. Send it to a P2WSH output, which we'll
# use in the next test.
witness_program = CScript([pubkey, CScriptOp(OP_CHECKSIG)])
witness_hash = sha256(witness_program)
script_wsh = CScript([OP_0, witness_hash])
script_wsh = script_to_p2wsh_script(witness_program)
tx2 = CTransaction()
tx2.vin.append(CTxIn(COutPoint(tx.sha256, 0), b""))
@ -1613,8 +1602,7 @@ class SegWitTest(BitcoinTestFramework):
pubkey = key.get_pubkey().get_bytes()
witness_program = CScript([pubkey, CScriptOp(OP_CHECKSIG)])
witness_hash = sha256(witness_program)
script_pubkey = CScript([OP_0, witness_hash])
script_pubkey = script_to_p2wsh_script(witness_program)
# First create a witness output for use in the tests.
tx = CTransaction()
@ -1733,7 +1721,7 @@ class SegWitTest(BitcoinTestFramework):
# Now test witness version 0 P2PKH transactions
pubkeyhash = hash160(pubkey)
script_pkh = CScript([OP_0, pubkeyhash])
script_pkh = key_to_p2wpkh_script(pubkey)
tx = CTransaction()
tx.vin.append(CTxIn(COutPoint(temp_utxos[0].sha256, temp_utxos[0].n), b""))
tx.vout.append(CTxOut(temp_utxos[0].nValue, script_pkh))
@ -1860,7 +1848,7 @@ class SegWitTest(BitcoinTestFramework):
# For each script, generate a pair of P2WSH and P2SH-P2WSH output.
outputvalue = (self.utxo[0].nValue - 1000) // (len(scripts) * 2)
for i in scripts:
p2wsh = CScript([OP_0, sha256(i)])
p2wsh = script_to_p2wsh_script(i)
p2wsh_scripts.append(p2wsh)
tx.vout.append(CTxOut(outputvalue, p2wsh))
tx.vout.append(CTxOut(outputvalue, script_to_p2sh_script(p2wsh)))
@ -1877,13 +1865,13 @@ class SegWitTest(BitcoinTestFramework):
for i in range(len(scripts)):
p2wsh_tx = CTransaction()
p2wsh_tx.vin.append(CTxIn(COutPoint(txid, i * 2)))
p2wsh_tx.vout.append(CTxOut(outputvalue - 5000, CScript([OP_0, hash160(hex_str_to_bytes(""))])))
p2wsh_tx.vout.append(CTxOut(outputvalue - 5000, CScript([OP_0, hash160(b"")])))
p2wsh_tx.wit.vtxinwit.append(CTxInWitness())
p2wsh_tx.rehash()
p2wsh_txs.append(p2wsh_tx)
p2sh_tx = CTransaction()
p2sh_tx.vin.append(CTxIn(COutPoint(txid, i * 2 + 1), CScript([p2wsh_scripts[i]])))
p2sh_tx.vout.append(CTxOut(outputvalue - 5000, CScript([OP_0, hash160(hex_str_to_bytes(""))])))
p2sh_tx.vout.append(CTxOut(outputvalue - 5000, CScript([OP_0, hash160(b"")])))
p2sh_tx.wit.vtxinwit.append(CTxInWitness())
p2sh_tx.rehash()
p2sh_txs.append(p2sh_tx)
@ -1978,8 +1966,7 @@ class SegWitTest(BitcoinTestFramework):
# Keep this under MAX_OPS_PER_SCRIPT (201)
witness_program = CScript([OP_TRUE, OP_IF, OP_TRUE, OP_ELSE] + [OP_CHECKMULTISIG] * 5 + [OP_CHECKSIG] * 193 + [OP_ENDIF])
witness_hash = sha256(witness_program)
script_pubkey = CScript([OP_0, witness_hash])
script_pubkey = script_to_p2wsh_script(witness_program)
sigops_per_script = 20 * 5 + 193 * 1
# We'll produce 2 extra outputs, one with a program that would take us
@ -1995,14 +1982,12 @@ class SegWitTest(BitcoinTestFramework):
# N(=MAX_SIGOP_COST//sigops_per_script) outputs of our transaction,
# would push us just over the block sigop limit.
witness_program_toomany = CScript([OP_TRUE, OP_IF, OP_TRUE, OP_ELSE] + [OP_CHECKSIG] * (extra_sigops_available + 1) + [OP_ENDIF])
witness_hash_toomany = sha256(witness_program_toomany)
script_pubkey_toomany = CScript([OP_0, witness_hash_toomany])
script_pubkey_toomany = script_to_p2wsh_script(witness_program_toomany)
# If we spend this script instead, we would exactly reach our sigop
# limit (for witness sigops).
witness_program_justright = CScript([OP_TRUE, OP_IF, OP_TRUE, OP_ELSE] + [OP_CHECKSIG] * (extra_sigops_available) + [OP_ENDIF])
witness_hash_justright = sha256(witness_program_justright)
script_pubkey_justright = CScript([OP_0, witness_hash_justright])
script_pubkey_justright = script_to_p2wsh_script(witness_program_justright)
# First split our available utxo into a bunch of outputs
split_value = self.utxo[0].nValue // outputs
@ -2135,8 +2120,7 @@ class SegWitTest(BitcoinTestFramework):
# Create a Segwit output from the latest UTXO
# and announce it to the network
witness_program = CScript([OP_TRUE])
witness_hash = sha256(witness_program)
script_pubkey = CScript([OP_0, witness_hash])
script_pubkey = script_to_p2wsh_script(witness_program)
tx = CTransaction()
tx.vin.append(CTxIn(COutPoint(self.utxo[0].sha256, self.utxo[0].n), b""))

View file

@ -6,7 +6,6 @@
from test_framework.blocktools import COINBASE_MATURITY
from test_framework.address import (
check_script,
script_to_p2sh,
script_to_p2wsh,
)
@ -20,12 +19,10 @@ from test_framework.util import (
)
from test_framework.messages import (
CTxInWitness,
sha256,
tx_from_hex,
)
from test_framework.script import (
CScript,
OP_0,
OP_CHECKLOCKTIMEVERIFY,
OP_CHECKSIG,
OP_CHECKSEQUENCEVERIFY,
@ -233,7 +230,7 @@ class SignRawTransactionsTest(BitcoinTestFramework):
'P2PKH': key_to_p2pkh_script(embedded_pubkey).hex(),
'P2PK': CScript([hex_str_to_bytes(embedded_pubkey), OP_CHECKSIG]).hex()
}.get(tx_type, "Invalid tx_type")
redeem_script = CScript([OP_0, sha256(check_script(witness_script))]).hex()
redeem_script = script_to_p2wsh_script(witness_script).hex()
addr = script_to_p2sh(redeem_script)
script_pub_key = self.nodes[1].validateaddress(addr)['scriptPubKey']
# Fund that address

View file

@ -26,7 +26,6 @@ from .messages import (
hash256,
hex_str_to_bytes,
ser_uint256,
sha256,
tx_from_hex,
uint256_from_str,
)
@ -34,13 +33,15 @@ from .script import (
CScript,
CScriptNum,
CScriptOp,
OP_0,
OP_1,
OP_CHECKMULTISIG,
OP_CHECKSIG,
OP_RETURN,
OP_TRUE,
hash160,
)
from .script_util import (
key_to_p2wpkh_script,
script_to_p2wsh_script,
)
from .util import assert_equal
@ -206,13 +207,11 @@ def witness_script(use_p2wsh, pubkey):
scriptPubKey."""
if not use_p2wsh:
# P2WPKH instead
pubkeyhash = hash160(hex_str_to_bytes(pubkey))
pkscript = CScript([OP_0, pubkeyhash])
pkscript = key_to_p2wpkh_script(pubkey)
else:
# 1-of-1 multisig
witness_program = CScript([OP_1, hex_str_to_bytes(pubkey), OP_1, OP_CHECKMULTISIG])
scripthash = sha256(witness_program)
pkscript = CScript([OP_0, scripthash])
pkscript = script_to_p2wsh_script(witness_program)
return pkscript.hex()
def create_witness_tx(node, use_p2wsh, utxo, pubkey, encode_p2sh, amount):

View file

@ -17,16 +17,15 @@ from test_framework.address import (
from test_framework.key import ECKey
from test_framework.script import (
CScript,
OP_0,
OP_2,
OP_3,
OP_CHECKMULTISIG,
hash160,
sha256,
)
from test_framework.script_util import (
key_to_p2pkh_script,
key_to_p2wpkh_script,
script_to_p2sh_script,
script_to_p2wsh_script,
)
from test_framework.util import hex_str_to_bytes
@ -56,15 +55,14 @@ def get_key(node):
Returns a named tuple of privkey, pubkey and all address and scripts."""
addr = node.getnewaddress()
pubkey = node.getaddressinfo(addr)['pubkey']
pkh = hash160(hex_str_to_bytes(pubkey))
return Key(privkey=node.dumpprivkey(addr),
pubkey=pubkey,
p2pkh_script=key_to_p2pkh_script(pubkey).hex(),
p2pkh_addr=key_to_p2pkh(pubkey),
p2wpkh_script=CScript([OP_0, pkh]).hex(),
p2wpkh_script=key_to_p2wpkh_script(pubkey).hex(),
p2wpkh_addr=key_to_p2wpkh(pubkey),
p2sh_p2wpkh_script=script_to_p2sh_script(CScript([OP_0, pkh])).hex(),
p2sh_p2wpkh_redeem_script=CScript([OP_0, pkh]).hex(),
p2sh_p2wpkh_script=script_to_p2sh_script(key_to_p2wpkh_script(pubkey)).hex(),
p2sh_p2wpkh_redeem_script=key_to_p2wpkh_script(pubkey).hex(),
p2sh_p2wpkh_addr=key_to_p2sh_p2wpkh(pubkey))
def get_generate_key():
@ -75,15 +73,14 @@ def get_generate_key():
eckey.generate()
privkey = bytes_to_wif(eckey.get_bytes())
pubkey = eckey.get_pubkey().get_bytes().hex()
pkh = hash160(hex_str_to_bytes(pubkey))
return Key(privkey=privkey,
pubkey=pubkey,
p2pkh_script=key_to_p2pkh_script(pubkey).hex(),
p2pkh_addr=key_to_p2pkh(pubkey),
p2wpkh_script=CScript([OP_0, pkh]).hex(),
p2wpkh_script=key_to_p2wpkh_script(pubkey).hex(),
p2wpkh_addr=key_to_p2wpkh(pubkey),
p2sh_p2wpkh_script=script_to_p2sh_script(CScript([OP_0, pkh])).hex(),
p2sh_p2wpkh_redeem_script=CScript([OP_0, pkh]).hex(),
p2sh_p2wpkh_script=script_to_p2sh_script(key_to_p2wpkh_script(pubkey)).hex(),
p2sh_p2wpkh_redeem_script=key_to_p2wpkh_script(pubkey).hex(),
p2sh_p2wpkh_addr=key_to_p2sh_p2wpkh(pubkey))
def get_multisig(node):
@ -97,7 +94,7 @@ def get_multisig(node):
addrs.append(addr['address'])
pubkeys.append(addr['pubkey'])
script_code = CScript([OP_2] + [hex_str_to_bytes(pubkey) for pubkey in pubkeys] + [OP_3, OP_CHECKMULTISIG])
witness_script = CScript([OP_0, sha256(script_code)])
witness_script = script_to_p2wsh_script(script_code)
return Multisig(privkeys=[node.dumpprivkey(addr) for addr in addrs],
pubkeys=pubkeys,
p2sh_script=script_to_p2sh_script(script_code).hex(),