def witness_script_test(self):
# Now test signing transaction to P2SH-P2WSH addresses without wallet
# Create a new P2SH-P2WSH 1-of-1 multisig address:
embedded_address = self.nodes[1].getaddressinfo(self.nodes[1].getnewaddress())
embedded_privkey = self.nodes[1].dumpprivkey(embedded_address["address"])
p2sh_p2wsh_address = self.nodes[1].addmultisigaddress(1, [embedded_address["pubkey"]], "", "p2sh-segwit")
# send transaction to P2SH-P2WSH 1-of-1 multisig address
self.nodes[0].generate(101)
self.nodes[0].sendtoaddress(p2sh_p2wsh_address["address"], 49.999)
self.nodes[0].generate(1)
self.sync_all()
# Find the UTXO for the transaction node[1] should have received, check witnessScript matches
unspent_output = self.nodes[1].listunspent(0, 999999, [p2sh_p2wsh_address["address"]])[0]
assert_equal(unspent_output["witnessScript"], p2sh_p2wsh_address["redeemScript"])
p2sh_redeemScript = CScript([OP_0, sha256(hex_str_to_bytes(p2sh_p2wsh_address["redeemScript"]))])
assert_equal(unspent_output["redeemScript"], p2sh_redeemScript.hex())
# Now create and sign a transaction spending that output on node[0], which doesn't know the scripts or keys
spending_tx = self.nodes[0].createrawtransaction([unspent_output], {self.nodes[1].getnewaddress(): Decimal("49.998")})
spending_tx_signed = self.nodes[0].signrawtransactionwithkey(spending_tx, [embedded_privkey], [unspent_output])
# Check the signing completed successfully
assert 'complete' in spending_tx_signed
assert_equal(spending_tx_signed['complete'], True)
self.log.info('Try with a P2PKH script as the witnessScript')
embedded_addr_info = self.nodes[1].getaddressinfo(self.nodes[1].getnewaddress('', 'legacy'))
embedded_privkey = self.nodes[1].dumpprivkey(embedded_addr_info['address'])
witness_script = embedded_addr_info['scriptPubKey']
redeem_script = CScript([OP_0, sha256(check_script(witness_script))]).hex()
addr = script_to_p2sh(redeem_script)
script_pub_key = self.nodes[1].validateaddress(addr)['scriptPubKey']
# Fund that address
txid = self.nodes[0].sendtoaddress(addr, 10)
vout = find_vout_for_address(self.nodes[0], txid, addr)
self.nodes[0].generate(1)
# Now create and sign a transaction spending that output on node[0], which doesn't know the scripts or keys
spending_tx = self.nodes[0].createrawtransaction([{'txid': txid, 'vout': vout}], {self.nodes[1].getnewaddress(): Decimal("9.999")})
spending_tx_signed = self.nodes[0].signrawtransactionwithkey(spending_tx, [embedded_privkey], [{'txid': txid, 'vout': vout, 'scriptPubKey': script_pub_key, 'redeemScript': redeem_script, 'witnessScript': witness_script, 'amount': 10}])
# Check the signing completed successfully
assert 'complete' in spending_tx_signed
assert_equal(spending_tx_signed['complete'], True)
self.nodes[0].sendrawtransaction(spending_tx_signed['hex'])
self.log.info('Try with a P2PK script as the witnessScript')
embedded_addr_info = self.nodes[1].getaddressinfo(self.nodes[1].getnewaddress('', 'legacy'))
embedded_privkey = self.nodes[1].dumpprivkey(embedded_addr_info['address'])
witness_script = CScript([hex_str_to_bytes(embedded_addr_info['pubkey']), OP_CHECKSIG]).hex()
redeem_script = CScript([OP_0, sha256(check_script(witness_script))]).hex()
addr = script_to_p2sh(redeem_script)
script_pub_key = self.nodes[1].validateaddress(addr)['scriptPubKey']
# Fund that address
txid = self.nodes[0].sendtoaddress(addr, 10)
vout = find_vout_for_address(self.nodes[0], txid, addr)
self.nodes[0].generate(1)
# Now create and sign a transaction spending that output on node[0], which doesn't know the scripts or keys
spending_tx = self.nodes[0].createrawtransaction([{'txid': txid, 'vout': vout}], {self.nodes[1].getnewaddress(): Decimal("9.999")})
spending_tx_signed = self.nodes[0].signrawtransactionwithkey(spending_tx, [embedded_privkey], [{'txid': txid, 'vout': vout, 'scriptPubKey': script_pub_key, 'redeemScript': redeem_script, 'witnessScript': witness_script, 'amount': 10}])
# Check the signing completed successfully
assert 'complete' in spending_tx_signed
assert_equal(spending_tx_signed['complete'], True)
self.nodes[0].sendrawtransaction(spending_tx_signed['hex'])
def verify_txn_with_witness_script(self, tx_type):
self.log.info(
"Test with a {} script as the witnessScript".format(tx_type))
eckey = ECKey()
eckey.generate()
embedded_privkey = bytes_to_wif(eckey.get_bytes())
embedded_pubkey = eckey.get_pubkey().get_bytes().hex()
witness_script = {
'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()
addr = script_to_p2sh(redeem_script, prefix=196)
script_pub_key = self.nodes[1].validateaddress(addr)['scriptPubKey']
# Fund that address
txid = self.nodes[0].sendtoaddress(addr, 10)
vout = find_vout_for_address(self.nodes[0], txid, addr)
self.nodes[0].generate(1)
# Now create and sign a transaction spending that output on node[0], which doesn't know the scripts or keys
spending_tx = self.nodes[0].createrawtransaction([{
'txid': txid,
'vout': vout
}], [{
self.nodes[1].getnewaddress(): Decimal("9.999")
}, {
"fee": Decimal("0.001")
}])
spending_tx_signed = self.nodes[0].signrawtransactionwithkey(
spending_tx, [embedded_privkey], [{
'txid': txid,
'vout': vout,
'scriptPubKey': script_pub_key,
'redeemScript': redeem_script,
'witnessScript': witness_script,
'amount': 10
}])
# Check the signing completed successfully
assert 'complete' in spending_tx_signed
assert_equal(spending_tx_signed['complete'], True)
self.nodes[0].sendrawtransaction(spending_tx_signed['hex'])
