elements/test/functional/rpc_psbt.py
2019-07-31 10:50:03 -07:00

609 lines
32 KiB
Python
Executable file

#!/usr/bin/env python3
# Copyright (c) 2018 The Bitcoin Core developers
# Distributed under the MIT software license, see the accompanying
# file COPYING or http://www.opensource.org/licenses/mit-license.php.
"""Test the Partially Signed Transaction RPCs.
"""
from test_framework.test_framework import BitcoinTestFramework
from test_framework.util import assert_equal, assert_raises_rpc_error, connect_nodes_bi, disconnect_nodes, sync_blocks
# These imports are used by commented-out tests.
"""
from decimal import Decimal
from test_framework.util import find_output
import json
import os
"""
MAX_BIP125_RBF_SEQUENCE = 0xfffffffd
# Create one-input, one-output, no-fee transaction:
class PSBTTest(BitcoinTestFramework):
def set_test_params(self):
self.setup_clean_chain = False
self.num_nodes = 3
def skip_test_if_missing_module(self):
self.skip_if_no_wallet()
def test_utxo_conversion(self):
mining_node = self.nodes[2]
offline_node = self.nodes[0]
online_node = self.nodes[1]
# Disconnect offline node from others
disconnect_nodes(offline_node, 1)
disconnect_nodes(online_node, 0)
disconnect_nodes(offline_node, 2)
disconnect_nodes(mining_node, 0)
# Mine a transaction that credits the offline address
offline_addr = offline_node.getnewaddress(address_type="p2sh-segwit")
online_addr = online_node.getnewaddress(address_type="p2sh-segwit")
online_node.importaddress(offline_addr, "", False)
mining_node.sendtoaddress(address=offline_addr, amount=1.0)
mining_node.generate(nblocks=1)
sync_blocks([mining_node, online_node])
# Construct an unsigned PSBT on the online node (who doesn't know the output is Segwit, so will include a non-witness UTXO)
utxos = online_node.listunspent(addresses=[offline_addr])
raw = online_node.createrawtransaction([{"txid":utxos[0]["txid"], "vout":utxos[0]["vout"]}],[{online_addr:0.9999}])
psbt = online_node.walletprocesspsbt(online_node.converttopsbt(raw))["psbt"]
assert("non_witness_utxo" in mining_node.decodepsbt(psbt)["inputs"][0])
# Have the offline node sign the PSBT (which will update the UTXO to segwit)
signed_psbt = offline_node.walletprocesspsbt(psbt)["psbt"]
assert("witness_utxo" in mining_node.decodepsbt(signed_psbt)["inputs"][0])
# Make sure we can mine the resulting transaction
txid = mining_node.sendrawtransaction(mining_node.finalizepsbt(signed_psbt)["hex"])
mining_node.generate(1)
sync_blocks([mining_node, online_node])
assert_equal(online_node.gettxout(txid,0)["confirmations"], 1)
# Reconnect
connect_nodes_bi(self.nodes, 0, 1)
connect_nodes_bi(self.nodes, 0, 2)
def get_address(self, confidential, node_num, addr_mode=None):
if (addr_mode):
addr = self.nodes[node_num].getnewaddress()
else:
addr = self.nodes[node_num].getnewaddress("", addr_mode)
if confidential:
addr = self.nodes[node_num].getaddressinfo(addr)['confidential']
else:
addr = self.nodes[node_num].getaddressinfo(addr)['unconfidential']
return addr
def to_unconf_addr(self, node_num, addr):
return self.nodes[node_num].getaddressinfo(addr)['unconfidential']
def num_blinded_outputs(self, tx):
result = 0
decoded = self.nodes[0].decoderawtransaction(tx)
for out in decoded["vout"]:
if out["scriptPubKey"]["type"] == "fee":
pass
if "valuecommitment" in out:
result += 1
return result
def run_basic_tests(self, confidential):
# Create and fund a raw tx for sending 10 BTC
psbtx1 = self.nodes[0].walletcreatefundedpsbt([], {self.get_address(confidential, 2):10})['psbt']
# Node 1 should not be able to add anything to it but still return the psbtx same as before
psbtx = self.nodes[1].walletfillpsbtdata(psbtx1)['psbt']
assert_equal(psbtx1, psbtx)
# Sign the transaction and send
filled_tx = self.nodes[0].walletfillpsbtdata(psbtx)['psbt']
blinded_tx = self.nodes[0].blindpsbt(filled_tx)
signed_tx = self.nodes[0].walletsignpsbt(blinded_tx)['psbt']
final_tx = self.nodes[0].finalizepsbt(signed_tx)['hex']
if confidential:
# Can't use assert_equal because there may or may not be change
assert(self.num_blinded_outputs(final_tx) > 0)
self.nodes[0].sendrawtransaction(final_tx)
# Create p2sh, p2wpkh, and p2wsh addresses
pubkey0 = self.nodes[0].getaddressinfo(self.get_address(confidential, 0))['pubkey']
pubkey1 = self.nodes[1].getaddressinfo(self.get_address(confidential, 1))['pubkey']
pubkey2 = self.nodes[2].getaddressinfo(self.get_address(confidential, 2))['pubkey']
p2sh = self.nodes[1].addmultisigaddress(2, [pubkey0, pubkey1, pubkey2], "", "legacy")['address']
p2sh_unconf = self.to_unconf_addr(1, p2sh)
p2wsh = self.nodes[1].addmultisigaddress(2, [pubkey0, pubkey1, pubkey2], "", "bech32")['address']
p2wsh_unconf = self.to_unconf_addr(1, p2wsh)
p2sh_p2wsh = self.nodes[1].addmultisigaddress(2, [pubkey0, pubkey1, pubkey2], "", "p2sh-segwit")['address']
p2sh_p2wsh_unconf = self.to_unconf_addr(1, p2sh_p2wsh)
p2wpkh = self.get_address(confidential, 1, "bech32")
p2wpkh_unconf = self.to_unconf_addr(1, p2wpkh)
p2pkh = self.get_address(confidential, 1, "legacy")
p2pkh_unconf = self.to_unconf_addr(1, p2pkh)
p2sh_p2wpkh = self.get_address(confidential, 1, "p2sh-segwit")
p2sh_p2wpkh_unconf = self.to_unconf_addr(1, p2sh_p2wpkh)
# fund those addresses
rawtx = self.nodes[0].createrawtransaction([], {p2sh:10, p2wsh:10, p2wpkh:10, p2sh_p2wsh:10, p2sh_p2wpkh:10, p2pkh:10})
rawtx = self.nodes[0].fundrawtransaction(rawtx, {"changePosition":3})
rawtx = self.nodes[0].blindrawtransaction(rawtx['hex'])
signed_tx = self.nodes[0].signrawtransactionwithwallet(rawtx)['hex']
txid = self.nodes[0].sendrawtransaction(signed_tx)
self.nodes[0].generate(6)
self.sync_all()
# Find the output pos
p2sh_pos = -1
p2wsh_pos = -1
p2wpkh_pos = -1
p2pkh_pos = -1
p2sh_p2wsh_pos = -1
p2sh_p2wpkh_pos = -1
decoded = self.nodes[0].decoderawtransaction(signed_tx)
for out in decoded['vout']:
if out['scriptPubKey']['type'] == 'fee':
next
elif out['scriptPubKey']['addresses'][0] == p2sh_unconf:
p2sh_pos = out['n']
elif out['scriptPubKey']['addresses'][0] == p2wsh_unconf:
p2wsh_pos = out['n']
elif out['scriptPubKey']['addresses'][0] == p2wpkh_unconf:
p2wpkh_pos = out['n']
elif out['scriptPubKey']['addresses'][0] == p2sh_p2wsh_unconf:
p2sh_p2wsh_pos = out['n']
elif out['scriptPubKey']['addresses'][0] == p2sh_p2wpkh_unconf:
p2sh_p2wpkh_pos = out['n']
elif out['scriptPubKey']['addresses'][0] == p2pkh_unconf:
p2pkh_pos = out['n']
# spend single key from node 1
rawtx = self.nodes[1].walletcreatefundedpsbt([{"txid":txid,"vout":p2wpkh_pos},{"txid":txid,"vout":p2sh_p2wpkh_pos},{"txid":txid,"vout":p2pkh_pos}], {self.get_address(confidential, 1):29.99})['psbt']
filled = self.nodes[1].walletfillpsbtdata(rawtx)['psbt']
blinded = self.nodes[1].blindpsbt(filled)
walletsignpsbt_out = self.nodes[1].walletsignpsbt(blinded)
assert_equal(walletsignpsbt_out['complete'], True)
hex_tx = self.nodes[1].finalizepsbt(walletsignpsbt_out['psbt'])['hex']
if confidential:
# Can't use assert_equal because there may or may not be change
assert(self.num_blinded_outputs(hex_tx) > 0)
self.nodes[1].sendrawtransaction(hex_tx)
# partially sign multisig things with node 1
psbtx = self.nodes[1].walletcreatefundedpsbt([{"txid":txid,"vout":p2wsh_pos},{"txid":txid,"vout":p2sh_pos},{"txid":txid,"vout":p2sh_p2wsh_pos}], {self.get_address(confidential, 1):29.99})['psbt']
filled = self.nodes[1].walletfillpsbtdata(psbtx)['psbt']
# have both nodes fill before we try to blind and sign
filled = self.nodes[2].walletfillpsbtdata(filled)['psbt']
blinded = self.nodes[1].blindpsbt(filled)
walletsignpsbt_out = self.nodes[1].walletsignpsbt(blinded)
psbtx = walletsignpsbt_out['psbt']
assert_equal(walletsignpsbt_out['complete'], False)
# partially sign with node 2. This should be complete and sendable
walletsignpsbt_out = self.nodes[2].walletsignpsbt(psbtx)
assert_equal(walletsignpsbt_out['complete'], True)
hex_tx = self.nodes[2].finalizepsbt(walletsignpsbt_out['psbt'])['hex']
if confidential:
# Can't use assert_equal because there may or may not be change
assert(self.num_blinded_outputs(hex_tx) > 0)
self.nodes[2].sendrawtransaction(hex_tx)
# check that walletprocesspsbt fails to decode a non-psbt
rawtx = self.nodes[1].createrawtransaction([{"txid":txid,"vout":p2wpkh_pos}], {self.get_address(confidential, 1):9.99})
assert_raises_rpc_error(-22, "TX decode failed", self.nodes[1].walletprocesspsbt, rawtx)
# Convert a non-psbt to psbt and make sure we can decode it
rawtx = self.nodes[0].createrawtransaction([], {self.get_address(confidential, 1):10})
rawtx = self.nodes[0].fundrawtransaction(rawtx)
new_psbt = self.nodes[0].converttopsbt(rawtx['hex'])
self.nodes[0].decodepsbt(new_psbt)
# Make sure that a psbt with signatures cannot be converted
signedtx = self.nodes[0].signrawtransactionwithwallet(rawtx['hex'])
# Can be either a scriptSig or a scriptWitness that it yells about, depending on which UTXOs are selected for the TX
assert_raises_rpc_error(-22, "Inputs must not have", self.nodes[0].converttopsbt, signedtx['hex'], False)
assert_raises_rpc_error(-22, "Inputs must not have", self.nodes[0].converttopsbt, signedtx['hex'])
# Unless we allow it to convert and strip signatures
self.nodes[0].converttopsbt(signedtx['hex'], True)
# Explicitly allow converting non-empty txs
new_psbt = self.nodes[0].converttopsbt(rawtx['hex'])
self.nodes[0].decodepsbt(new_psbt)
# Create outputs to nodes 1 and 2
# We do a whole song-and-dance here (instead of calling sendtoaddress) to get access to the unblinded transaction data to find our outputs
node1_addr = self.get_address(confidential, 1)
node1_unconf_addr = self.to_unconf_addr(1, node1_addr)
node2_addr = self.get_address(confidential, 2)
node2_unconf_addr = self.to_unconf_addr(2, node2_addr)
rt1 = self.nodes[0].createrawtransaction([], {node1_addr:13})
rt1 = self.nodes[0].fundrawtransaction(rt1)
rt1 = self.nodes[0].blindrawtransaction(rt1['hex'])
rt1 = self.nodes[0].signrawtransactionwithwallet(rt1)
txid1 = self.nodes[0].sendrawtransaction(rt1['hex'])
rt1 = self.nodes[0].decoderawtransaction(rt1['hex'])
rt2 = self.nodes[0].createrawtransaction([], {node2_addr:13})
rt2 = self.nodes[0].fundrawtransaction(rt2)
rt2 = self.nodes[0].blindrawtransaction(rt2['hex'])
rt2 = self.nodes[0].signrawtransactionwithwallet(rt2)
txid2 = self.nodes[0].sendrawtransaction(rt2['hex'])
rt2 = self.nodes[0].decoderawtransaction(rt2['hex'])
self.nodes[0].generate(6)
self.sync_all()
for out in rt1['vout']:
if out['scriptPubKey']['type'] == "fee":
pass
elif out['scriptPubKey']['addresses'][0] == node1_unconf_addr:
vout1 = out['n']
for out in rt2['vout']:
if out['scriptPubKey']['type'] == "fee":
pass
elif out['scriptPubKey']['addresses'][0] == node2_unconf_addr:
vout2 = out['n']
# This test doesn't work with Confidential Assets yet.
if not confidential:
# Create a psbt spending outputs from nodes 1 and 2
psbt_orig = self.nodes[0].createpsbt([{"txid":txid1, "vout":vout1}, {"txid":txid2, "vout":vout2}], [{self.get_address(confidential, 0):25.999}, {"fee":0.001}])
# Update psbts, should only have data for one input and not the other
psbt1 = self.nodes[1].walletprocesspsbt(psbt_orig)['psbt']
psbt1_decoded = self.nodes[0].decodepsbt(psbt1)
assert psbt1_decoded['inputs'][0] and not psbt1_decoded['inputs'][1]
psbt1 = self.nodes[1].walletsignpsbt(psbt1, "ALL", True)['psbt'] # Allow signing incomplete tx
psbt2 = self.nodes[2].walletprocesspsbt(psbt_orig)['psbt']
psbt2_decoded = self.nodes[0].decodepsbt(psbt2)
assert not psbt2_decoded['inputs'][0] and psbt2_decoded['inputs'][1]
psbt2 = self.nodes[2].walletsignpsbt(psbt2, "ALL", True)['psbt'] # Allow signing incomplete tx
# Combine, finalize, and send the psbts
combined = self.nodes[0].combinepsbt([psbt1, psbt2])
finalized = self.nodes[0].finalizepsbt(combined)['hex']
self.nodes[0].sendrawtransaction(finalized)
self.nodes[0].generate(6)
self.sync_all()
# Test additional args in walletcreatepsbt
# Make sure both pre-included and funded inputs
# have the correct sequence numbers based on
# replaceable arg
block_height = self.nodes[0].getblockcount()
unspent = self.nodes[0].listunspent()[0]
psbtx_info = self.nodes[0].walletcreatefundedpsbt([{"txid":unspent["txid"], "vout":unspent["vout"]}], [{self.get_address(confidential, 2):unspent["amount"]+1}], block_height+2, {"replaceable":True}, False)
decoded_psbt = self.nodes[0].decodepsbt(psbtx_info["psbt"])
for tx_in, psbt_in in zip(decoded_psbt["tx"]["vin"], decoded_psbt["inputs"]):
assert_equal(tx_in["sequence"], MAX_BIP125_RBF_SEQUENCE)
assert "bip32_derivs" not in psbt_in
assert_equal(decoded_psbt["tx"]["locktime"], block_height+2)
# Same construction with only locktime set
psbtx_info = self.nodes[0].walletcreatefundedpsbt([{"txid":unspent["txid"], "vout":unspent["vout"]}], [{self.get_address(confidential, 2):unspent["amount"]+1}], block_height, {}, True)
decoded_psbt = self.nodes[0].decodepsbt(psbtx_info["psbt"])
for tx_in, psbt_in in zip(decoded_psbt["tx"]["vin"], decoded_psbt["inputs"]):
assert tx_in["sequence"] > MAX_BIP125_RBF_SEQUENCE
assert "bip32_derivs" in psbt_in
assert_equal(decoded_psbt["tx"]["locktime"], block_height)
# Same construction without optional arguments
psbtx_info = self.nodes[0].walletcreatefundedpsbt([{"txid":unspent["txid"], "vout":unspent["vout"]}], [{self.get_address(confidential, 2):unspent["amount"]+1}])
decoded_psbt = self.nodes[0].decodepsbt(psbtx_info["psbt"])
for tx_in in decoded_psbt["tx"]["vin"]:
assert tx_in["sequence"] > MAX_BIP125_RBF_SEQUENCE
assert_equal(decoded_psbt["tx"]["locktime"], 0)
# Make sure change address wallet does not have P2SH innerscript access to results in success
# when attempting BnB coin selection
self.nodes[0].walletcreatefundedpsbt([], [{self.nodes[2].getnewaddress():unspent["amount"]+1}], block_height+2, {"changeAddress":self.nodes[1].getnewaddress()}, False)
# Regression test for 14473 (mishandling of already-signed witness transaction):
psbtx_info = self.nodes[0].walletcreatefundedpsbt([{"txid":unspent["txid"], "vout":unspent["vout"]}], [{self.nodes[2].getnewaddress():unspent["amount"]+1}])
filled = self.nodes[0].walletfillpsbtdata(psbtx_info["psbt"])
blinded = self.nodes[0].blindpsbt(filled["psbt"])
signed = self.nodes[0].walletsignpsbt(blinded)
signed_again = self.nodes[0].walletsignpsbt(signed["psbt"])
assert_equal(signed, signed_again)
# We don't care about the decode result, but decoding must succeed.
self.nodes[0].decodepsbt(signed["psbt"])
# Test the imbalance_ok argument of walletsignpsbt by manually constructing a psbt that doesn't balance.
node1_addr = self.get_address(confidential, 1)
node1_unconf_addr = self.to_unconf_addr(1, node1_addr)
rt1 = self.nodes[0].createrawtransaction([], {node1_addr:11.11})
rt1 = self.nodes[0].fundrawtransaction(rt1)
rt1 = self.nodes[0].blindrawtransaction(rt1['hex'])
rt1 = self.nodes[0].signrawtransactionwithwallet(rt1)
txid1 = self.nodes[0].sendrawtransaction(rt1['hex'])
rt1 = self.nodes[0].decoderawtransaction(rt1['hex'])
self.nodes[0].generate(6)
self.sync_all()
for out in rt1['vout']:
if out['scriptPubKey']['type'] == "fee":
pass
elif out['scriptPubKey']['addresses'][0] == node1_unconf_addr:
vout1 = out['n']
psbt = self.nodes[1].createpsbt([{"txid":txid1, "vout":vout1}], [{self.get_address(confidential, 2):1}, {"fee":0.001}])
psbt = self.nodes[1].walletfillpsbtdata(psbt)
psbt = self.nodes[1].blindpsbt(psbt["psbt"])
# If imbalance_ok is false, should fail
assert_raises_rpc_error(-25, "Transaction values or blinders are not balanced", self.nodes[1].walletsignpsbt, psbt, "ALL", False)
# If imbalance_ok is true, should succeed
psbt = self.nodes[1].walletsignpsbt(psbt, "ALL", True)
psbt = self.nodes[1].finalizepsbt(psbt["psbt"])
# ... but you still can't send it.
assert_raises_rpc_error(-26, "bad-txns-in-ne-out, value in != value out (code 16)", self.nodes[1].sendrawtransaction, psbt['hex'])
# BIP 174 tests are disabled because they don't work with CA yet. Comment the function so it doesn't flag lint as unused.
"""
def run_bip174_tests(self):
# BIP 174 Test Vectors
# Check that unknown values are just passed through
unknown_psbt = "cHNidP8BAD8CAAAAAf//////////////////////////////////////////AAAAAAD/////AQAAAAAAAAAAA2oBAAAAAAAACg8BAgMEBQYHCAkPAQIDBAUGBwgJCgsMDQ4PAAA="
unknown_out = self.nodes[0].walletprocesspsbt(unknown_psbt)['psbt']
assert_equal(unknown_psbt, unknown_out)
# Open the data file
with open(os.path.join(os.path.dirname(os.path.realpath(__file__)), 'data/rpc_psbt.json'), encoding='utf-8') as f:
d = json.load(f)
invalids = d['invalid']
valids = d['valid']
creators = d['creator']
signers = d['signer']
combiners = d['combiner']
finalizers = d['finalizer']
extractors = d['extractor']
# Invalid PSBTs
for invalid in invalids:
assert_raises_rpc_error(-22, "TX decode failed", self.nodes[0].decodepsbt, invalid)
# Valid PSBTs
for valid in valids:
self.nodes[0].decodepsbt(valid)
# Creator Tests
for creator in creators:
created_tx = self.nodes[0].createpsbt(creator['inputs'], creator['outputs'])
assert_equal(created_tx, creator['result'])
# Signer tests
for i, signer in enumerate(signers):
self.nodes[2].createwallet("wallet{}".format(i))
wrpc = self.nodes[2].get_wallet_rpc("wallet{}".format(i))
for key in signer['privkeys']:
wrpc.importprivkey(key)
signed_tx = wrpc.walletprocesspsbt(signer['psbt'])['psbt']
assert_equal(signed_tx, signer['result'])
# Combiner test
for combiner in combiners:
combined = self.nodes[2].combinepsbt(combiner['combine'])
assert_equal(combined, combiner['result'])
# Empty combiner test
assert_raises_rpc_error(-8, "Parameter 'txs' cannot be empty", self.nodes[0].combinepsbt, [])
# Finalizer test
for finalizer in finalizers:
finalized = self.nodes[2].finalizepsbt(finalizer['finalize'], False)['psbt']
assert_equal(finalized, finalizer['result'])
# Extractor test
for extractor in extractors:
extracted = self.nodes[2].finalizepsbt(extractor['extract'], True)['hex']
assert_equal(extracted, extractor['result'])
# Unload extra wallets
for i, signer in enumerate(signers):
self.nodes[2].unloadwallet("wallet{}".format(i))
"""
def run_ca_tests(self):
# Confidential Assets tests
# Start by sending some coins to a nonconf address
unconf_addr_0 = self.get_address(False, 0)
unconf_addr_1 = self.get_address(False, 0)
unconf_addr_4 = self.get_address(False, 0)
rawtx = self.nodes[0].createrawtransaction([], {unconf_addr_0:50, unconf_addr_1:50, unconf_addr_4:50})
rawtx = self.nodes[0].fundrawtransaction(rawtx, {"changePosition":3}) # our outputs will be 0, 1, 2
rawtx = self.nodes[0].blindrawtransaction(rawtx['hex'])
signed_tx = self.nodes[0].signrawtransactionwithwallet(rawtx)['hex']
txid_nonconf = self.nodes[0].sendrawtransaction(signed_tx)
self.nodes[0].generate(1)
self.sync_all()
# Now use PSBT to send some coins nonconf->nonconf
unconf_addr_2 = self.get_address(False, 1)
psbt = self.nodes[0].createpsbt([{"txid": txid_nonconf, "vout": 0}], [{unconf_addr_2: 49.999}, {"fee": 0.001}])
psbt = self.nodes[0].walletfillpsbtdata(psbt)['psbt']
psbt = self.nodes[0].walletsignpsbt(psbt)['psbt']
tx_hex = self.nodes[0].finalizepsbt(psbt)['hex']
txid_nonconf_2 = self.nodes[0].sendrawtransaction(tx_hex)
self.nodes[0].generate(1)
self.sync_all()
# Now send nonconf->conf
conf_addr = self.get_address(True, 2)
psbt = self.nodes[1].createpsbt([{"txid": txid_nonconf_2, "vout": 0}], [{conf_addr: 49.998}, {"fee": 0.001}])
psbt = self.nodes[1].walletfillpsbtdata(psbt)['psbt']
# Currently can't blind a transaction like this, so it fails
assert_raises_rpc_error(-8, "Unable to blind transaction: Add another output to blind in order to complete the blinding.", self.nodes[1].blindpsbt, psbt, False)
# Signing without blinding should not work either.
assert_raises_rpc_error(-25, "Transaction is not yet fully blinded", self.nodes[1].walletsignpsbt, psbt)
# If we pass "ignore_blind_fail", then it succeeds in this case without blinding.
psbt = self.nodes[1].blindpsbt(psbt, True)
psbt = self.nodes[1].walletsignpsbt(psbt)['psbt']
hex_tx = self.nodes[1].finalizepsbt(psbt)['hex']
self.nodes[1].sendrawtransaction(hex_tx)
self.nodes[0].generate(1)
self.sync_all()
# Now send nonconf->conf (with two outputs, blinding succeeds)
conf_addr_1 = self.get_address(True, 2)
conf_addr_2 = self.get_address(True, 2)
psbt = self.nodes[0].createpsbt([{"txid": txid_nonconf, "vout": 1}], [{conf_addr_1: 24.999}, {conf_addr_2: 24.999}, {"fee": 0.002}])
psbt = self.nodes[0].walletfillpsbtdata(psbt)['psbt']
psbt = self.nodes[0].blindpsbt(psbt, False)
psbt = self.nodes[0].walletsignpsbt(psbt)['psbt']
hex_tx = self.nodes[0].finalizepsbt(psbt)['hex']
assert_equal(self.num_blinded_outputs(hex_tx), 2)
txid_conf_2 = self.nodes[0].sendrawtransaction(hex_tx)
self.nodes[0].generate(1)
self.sync_all()
# Try to send conf->nonconf: This will fail because we can't balance the blinders
unconf_addr_3 = self.get_address(False, 0)
psbt = self.nodes[2].createpsbt([{"txid": txid_conf_2, "vout": 0}], [{unconf_addr_3: 24.998}, {"fee": 0.001}])
psbt = self.nodes[2].walletfillpsbtdata(psbt)['psbt']
assert_raises_rpc_error(-8, "Unable to blind transaction: Add another output to blind in order to complete the blinding.", self.nodes[2].blindpsbt, psbt, False)
# Try to send conf->(nonconf + conf), so we have a conf output to balance blinders
conf_addr_3 = self.get_address(True, 0)
psbt = self.nodes[2].createpsbt([{"txid": txid_conf_2, "vout": 0}], [{unconf_addr_3: 10}, {conf_addr_3: 14.998}, {"fee": 0.001}])
psbt = self.nodes[2].walletfillpsbtdata(psbt)['psbt']
psbt = self.nodes[2].blindpsbt(psbt, False)
psbt = self.nodes[2].walletsignpsbt(psbt)['psbt']
hex_tx = self.nodes[2].finalizepsbt(psbt)['hex']
assert_equal(self.num_blinded_outputs(hex_tx), 1)
self.nodes[2].sendrawtransaction(hex_tx)
self.nodes[0].generate(1)
self.sync_all()
# Try to send conf->conf
conf_addr_4 = self.get_address(True, 0)
psbt = self.nodes[2].createpsbt([{"txid": txid_conf_2, "vout": 1}], [{conf_addr_4: 24.998}, {"fee": 0.001}])
psbt = self.nodes[2].walletfillpsbtdata(psbt)['psbt']
psbt = self.nodes[2].blindpsbt(psbt, False)
psbt = self.nodes[2].walletsignpsbt(psbt)['psbt']
hex_tx = self.nodes[2].finalizepsbt(psbt)['hex']
assert_equal(self.num_blinded_outputs(hex_tx), 1)
self.nodes[2].sendrawtransaction(hex_tx)
self.nodes[0].generate(1)
self.sync_all()
# Try to send nonconf->(nonconf + conf + conf) -- two conf to make blinders balance
nonconf_addr_5 = self.get_address(False, 1)
conf_addr_5 = self.get_address(True, 1)
conf_addr_6 = self.get_address(True, 2)
psbt = self.nodes[0].createpsbt([{"txid": txid_nonconf, "vout": 2}], [{nonconf_addr_5: 24.999}, {conf_addr_5: 14.999}, {conf_addr_6: 10}, {"fee": 0.002}])
psbt = self.nodes[0].walletfillpsbtdata(psbt)['psbt']
psbt = self.nodes[0].blindpsbt(psbt, False)
psbt = self.nodes[0].walletsignpsbt(psbt)['psbt']
hex_tx = self.nodes[0].finalizepsbt(psbt)['hex']
assert_equal(self.num_blinded_outputs(hex_tx), 2)
self.nodes[0].sendrawtransaction(hex_tx)
self.nodes[0].generate(1)
self.sync_all()
def run_test(self):
self.nodes[0].generate(200)
self.sync_all()
# Run all the pre-Elements, tests first with non-confidential addresses, then again with confidential addresses
self.run_basic_tests(False)
self.run_basic_tests(True)
# BIP 174 test vectors are disabled, because they have embedded serialized CTransactions, and
# the transaction serialization format changed in Elements so none of them work
#self.run_bip174_tests()
# Some Confidential-Assets-specific tests
self.run_ca_tests()
# Tests added in the 0.18 rebase don't pass on Elements yet.
"""
self.test_utxo_conversion()
# Test that psbts with p2pkh outputs are created properly
p2pkh = self.nodes[0].getnewaddress(address_type='legacy')
psbt = self.nodes[1].walletcreatefundedpsbt([], [{p2pkh : 1}], 0, {"includeWatching" : True}, True)
self.nodes[0].decodepsbt(psbt['psbt'])
# Test decoding error: invalid base64
assert_raises_rpc_error(-22, "TX decode failed invalid base64", self.nodes[0].decodepsbt, ";definitely not base64;")
# Send to all types of addresses
addr1 = self.nodes[1].getnewaddress("", "bech32")
txid1 = self.nodes[0].sendtoaddress(addr1, 11)
vout1 = find_output(self.nodes[0], txid1, 11)
addr2 = self.nodes[1].getnewaddress("", "legacy")
txid2 = self.nodes[0].sendtoaddress(addr2, 11)
vout2 = find_output(self.nodes[0], txid2, 11)
addr3 = self.nodes[1].getnewaddress("", "p2sh-segwit")
txid3 = self.nodes[0].sendtoaddress(addr3, 11)
vout3 = find_output(self.nodes[0], txid3, 11)
self.sync_all()
# Update a PSBT with UTXOs from the node
# Bech32 inputs should be filled with witness UTXO. Other inputs should not be filled because they are non-witness
psbt = self.nodes[1].createpsbt([{"txid":txid1, "vout":vout1},{"txid":txid2, "vout":vout2},{"txid":txid3, "vout":vout3}], {self.nodes[0].getnewaddress():32.999})
decoded = self.nodes[1].decodepsbt(psbt)
assert "witness_utxo" not in decoded['inputs'][0] and "non_witness_utxo" not in decoded['inputs'][0]
assert "witness_utxo" not in decoded['inputs'][1] and "non_witness_utxo" not in decoded['inputs'][1]
assert "witness_utxo" not in decoded['inputs'][2] and "non_witness_utxo" not in decoded['inputs'][2]
updated = self.nodes[1].utxoupdatepsbt(psbt)
decoded = self.nodes[1].decodepsbt(updated)
assert "witness_utxo" in decoded['inputs'][0] and "non_witness_utxo" not in decoded['inputs'][0]
assert "witness_utxo" not in decoded['inputs'][1] and "non_witness_utxo" not in decoded['inputs'][1]
assert "witness_utxo" not in decoded['inputs'][2] and "non_witness_utxo" not in decoded['inputs'][2]
# Two PSBTs with a common input should not be joinable
psbt1 = self.nodes[1].createpsbt([{"txid":txid1, "vout":vout1}], {self.nodes[0].getnewaddress():Decimal('10.999')})
assert_raises_rpc_error(-8, "exists in multiple PSBTs", self.nodes[1].joinpsbts, [psbt1, updated])
# Join two distinct PSBTs
addr4 = self.nodes[1].getnewaddress("", "p2sh-segwit")
txid4 = self.nodes[0].sendtoaddress(addr4, 5)
vout4 = find_output(self.nodes[0], txid4, 5)
self.nodes[0].generate(6)
self.sync_all()
psbt2 = self.nodes[1].createpsbt([{"txid":txid4, "vout":vout4}], {self.nodes[0].getnewaddress():Decimal('4.999')})
psbt2 = self.nodes[1].walletprocesspsbt(psbt2)['psbt']
psbt2_decoded = self.nodes[0].decodepsbt(psbt2)
assert "final_scriptwitness" in psbt2_decoded['inputs'][0] and "final_scriptSig" in psbt2_decoded['inputs'][0]
joined = self.nodes[0].joinpsbts([psbt, psbt2])
joined_decoded = self.nodes[0].decodepsbt(joined)
assert len(joined_decoded['inputs']) == 4 and len(joined_decoded['outputs']) == 2 and "final_scriptwitness" not in joined_decoded['inputs'][3] and "final_scriptSig" not in joined_decoded['inputs'][3]
# Newly created PSBT needs UTXOs and updating
addr = self.nodes[1].getnewaddress("", "p2sh-segwit")
txid = self.nodes[0].sendtoaddress(addr, 7)
addrinfo = self.nodes[1].getaddressinfo(addr)
blockhash = self.nodes[0].generate(6)[0]
self.sync_all()
vout = find_output(self.nodes[0], txid, 7, blockhash=blockhash)
psbt = self.nodes[1].createpsbt([{"txid":txid, "vout":vout}], {self.nodes[0].getnewaddress("", "p2sh-segwit"):Decimal('6.999')})
analyzed = self.nodes[0].analyzepsbt(psbt)
assert not analyzed['inputs'][0]['has_utxo'] and not analyzed['inputs'][0]['is_final'] and analyzed['inputs'][0]['next'] == 'updater' and analyzed['next'] == 'updater'
# After update with wallet, only needs signing
updated = self.nodes[1].walletprocesspsbt(psbt, False, 'ALL', True)['psbt']
analyzed = self.nodes[0].analyzepsbt(updated)
assert analyzed['inputs'][0]['has_utxo'] and not analyzed['inputs'][0]['is_final'] and analyzed['inputs'][0]['next'] == 'signer' and analyzed['next'] == 'signer' and analyzed['inputs'][0]['missing']['signatures'][0] == addrinfo['embedded']['witness_program']
# Check fee and size things
assert analyzed['fee'] == Decimal('0.001') and analyzed['estimated_vsize'] == 134 and analyzed['estimated_feerate'] == '0.00746268 BTC/kB'
# After signing and finalizing, needs extracting
signed = self.nodes[1].walletprocesspsbt(updated)['psbt']
analyzed = self.nodes[0].analyzepsbt(signed)
assert analyzed['inputs'][0]['has_utxo'] and analyzed['inputs'][0]['is_final'] and analyzed['next'] == 'extractor'
"""
if __name__ == '__main__':
PSBTTest().main()