|
|
|
@ -4,10 +4,18 @@
|
|
|
|
|
# file COPYING or http://www.opensource.org/licenses/mit-license.php.
|
|
|
|
|
"""Test the SegWit changeover logic."""
|
|
|
|
|
|
|
|
|
|
from test_framework.address import (
|
|
|
|
|
key_to_p2sh_p2wpkh,
|
|
|
|
|
key_to_p2wpkh,
|
|
|
|
|
program_to_witness,
|
|
|
|
|
script_to_p2sh_p2wsh,
|
|
|
|
|
script_to_p2wsh,
|
|
|
|
|
)
|
|
|
|
|
from test_framework.blocktools import witness_script, send_to_witness
|
|
|
|
|
from test_framework.test_framework import BitcoinTestFramework
|
|
|
|
|
from test_framework.util import *
|
|
|
|
|
from test_framework.mininode import sha256, CTransaction, CTxIn, COutPoint, CTxOut, COIN, ToHex, FromHex
|
|
|
|
|
from test_framework.address import script_to_p2sh, key_to_p2pkh, key_to_p2sh_p2wpkh, key_to_p2wpkh, script_to_p2sh_p2wsh, script_to_p2wsh, program_to_witness
|
|
|
|
|
from test_framework.address import script_to_p2sh, key_to_p2pkh
|
|
|
|
|
from test_framework.script import CScript, OP_HASH160, OP_CHECKSIG, OP_0, hash160, OP_EQUAL, OP_DUP, OP_EQUALVERIFY, OP_1, OP_2, OP_CHECKMULTISIG, OP_TRUE
|
|
|
|
|
from io import BytesIO
|
|
|
|
|
|
|
|
|
@ -16,52 +24,6 @@ NODE_2 = 2
|
|
|
|
|
WIT_V0 = 0
|
|
|
|
|
WIT_V1 = 1
|
|
|
|
|
|
|
|
|
|
# Create a scriptPubKey corresponding to either a P2WPKH output for the
|
|
|
|
|
# given pubkey, or a P2WSH output of a 1-of-1 multisig for the given
|
|
|
|
|
# pubkey. Returns the hex encoding of the scriptPubKey.
|
|
|
|
|
def witness_script(use_p2wsh, pubkey):
|
|
|
|
|
if (use_p2wsh == False):
|
|
|
|
|
# P2WPKH instead
|
|
|
|
|
pubkeyhash = hash160(hex_str_to_bytes(pubkey))
|
|
|
|
|
pkscript = CScript([OP_0, pubkeyhash])
|
|
|
|
|
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])
|
|
|
|
|
return bytes_to_hex_str(pkscript)
|
|
|
|
|
|
|
|
|
|
# Return a transaction (in hex) that spends the given utxo to a segwit output,
|
|
|
|
|
# optionally wrapping the segwit output using P2SH.
|
|
|
|
|
def create_witness_tx(node, use_p2wsh, utxo, pubkey, encode_p2sh, amount):
|
|
|
|
|
if use_p2wsh:
|
|
|
|
|
program = CScript([OP_1, hex_str_to_bytes(pubkey), OP_1, OP_CHECKMULTISIG])
|
|
|
|
|
addr = script_to_p2sh_p2wsh(program) if encode_p2sh else script_to_p2wsh(program)
|
|
|
|
|
else:
|
|
|
|
|
addr = key_to_p2sh_p2wpkh(pubkey) if encode_p2sh else key_to_p2wpkh(pubkey)
|
|
|
|
|
if not encode_p2sh:
|
|
|
|
|
assert_equal(node.validateaddress(addr)['scriptPubKey'], witness_script(use_p2wsh, pubkey))
|
|
|
|
|
return node.createrawtransaction([utxo], {addr: amount})
|
|
|
|
|
|
|
|
|
|
# Create a transaction spending a given utxo to a segwit output corresponding
|
|
|
|
|
# to the given pubkey: use_p2wsh determines whether to use P2WPKH or P2WSH;
|
|
|
|
|
# encode_p2sh determines whether to wrap in P2SH.
|
|
|
|
|
# sign=True will have the given node sign the transaction.
|
|
|
|
|
# insert_redeem_script will be added to the scriptSig, if given.
|
|
|
|
|
def send_to_witness(use_p2wsh, node, utxo, pubkey, encode_p2sh, amount, sign=True, insert_redeem_script=""):
|
|
|
|
|
tx_to_witness = create_witness_tx(node, use_p2wsh, utxo, pubkey, encode_p2sh, amount)
|
|
|
|
|
if (sign):
|
|
|
|
|
signed = node.signrawtransaction(tx_to_witness)
|
|
|
|
|
assert("errors" not in signed or len(["errors"]) == 0)
|
|
|
|
|
return node.sendrawtransaction(signed["hex"])
|
|
|
|
|
else:
|
|
|
|
|
if (insert_redeem_script):
|
|
|
|
|
tx = FromHex(CTransaction(), tx_to_witness)
|
|
|
|
|
tx.vin[0].scriptSig += CScript([hex_str_to_bytes(insert_redeem_script)])
|
|
|
|
|
tx_to_witness = ToHex(tx)
|
|
|
|
|
|
|
|
|
|
return node.sendrawtransaction(tx_to_witness)
|
|
|
|
|
|
|
|
|
|
def getutxo(txid):
|
|
|
|
|
utxo = {}
|
|
|
|
|
utxo["vout"] = 0
|
|
|
|
|