dash/test/functional/rpc_psbt.py
Vijay 6df949628f
Merge #15427: Add support for descriptors to utxoupdatepsbt (#4656)
26fe9b990995f9cb5eee21d40b4daaad19f7181f Add support for descriptors to utxoupdatepsbt (Pieter Wuille)
3135c1a2d2e2fb31bc362c848bd2456d576e408b Abstract out UpdatePSBTOutput from FillPSBT (Pieter Wuille)
fb90ec3c33e824f5abb6a68452c683d6ce8b3e4a Abstract out EvalDescriptorStringOrObject from scantxoutset (Pieter Wuille)
eaf4f887348a08c620732125ad4430e1a133d434 Abstract out IsSegWitOutput from utxoupdatepsbt (Pieter Wuille)

Pull request description:

  This adds a descriptors argument to the `utxoupdatepsbt` RPC. This means:
  * Input and output scripts and keys will be filled in when known.
  * P2SH-witness inputs will be filled in from the UTXO set when a descriptor is provided that shows they're spending segwit outputs.

  This also moves some (newly) shared code to separate functions: `UpdatePSBTOutput` (an analogue to `SignPSBTInput`), `IsSegWitOutput`, and `EvalDescriptorStringOrObject` (implementing the string or object notation parsing used in `scantxoutset`).

ACKs for top commit:
  jnewbery:
    utACK 26fe9b990995f9cb5eee21d40b4daaad19f7181f
  laanwj:
    utACK 26fe9b990995f9cb5eee21d40b4daaad19f7181f (will hold merging until response to promag's comments)
  promag:
    ACK 26fe9b9, checked refactors and tests look comprehensive. Still missing a release note but can be added later.

Tree-SHA512: 1d833b7351b59d6c5ded6da399ff371a8a2a6ad04c0a8f90e6e46105dc737fa6f2740b1e5340280d59e01f42896c40b720c042f44417e38dfbee6477b894b245

Co-authored-by: Wladimir J. van der Laan <laanwj@gmail.com>
2022-06-22 16:42:19 -07:00

269 lines
13 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.
"""
import os
import json
from decimal import Decimal
from test_framework.test_framework import BitcoinTestFramework
from test_framework.util import assert_equal, assert_greater_than, assert_raises_rpc_error, find_output
# 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
# TODO: remove -txindex. Currently required for getrawtransaction call.
self.extra_args = [
["-txindex"],
["-txindex"],
["-txindex"]
]
self.supports_cli = False
def skip_test_if_missing_module(self):
self.skip_if_no_wallet()
def run_test(self):
# Create and fund a raw tx for sending 10 DASH
psbtx1 = self.nodes[0].walletcreatefundedpsbt([], {self.nodes[2].getnewaddress():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].walletprocesspsbt(psbtx1)['psbt']
assert_equal(psbtx1, psbtx)
# Sign the transaction and send
signed_tx = self.nodes[0].walletprocesspsbt(psbtx)['psbt']
final_tx = self.nodes[0].finalizepsbt(signed_tx)['hex']
self.nodes[0].sendrawtransaction(final_tx)
# Create p2sh and p2pkh addresses
pubkey0 = self.nodes[0].getaddressinfo(self.nodes[0].getnewaddress())['pubkey']
pubkey1 = self.nodes[1].getaddressinfo(self.nodes[1].getnewaddress())['pubkey']
pubkey2 = self.nodes[2].getaddressinfo(self.nodes[2].getnewaddress())['pubkey']
p2sh = self.nodes[1].addmultisigaddress(2, [pubkey0, pubkey1, pubkey2])['address']
p2pkh = self.nodes[1].getnewaddress()
# fund those addresses
rawtx = self.nodes[0].createrawtransaction([], {p2sh:10, p2pkh:10})
rawtx = self.nodes[0].fundrawtransaction(rawtx, {"changePosition":2})
signed_tx = self.nodes[0].signrawtransactionwithwallet(rawtx['hex'])['hex']
txid = self.nodes[0].sendrawtransaction(signed_tx)
self.nodes[0].generate(6)
self.sync_all()
# Find the output pos
p2sh_pos = -1
p2pkh_pos = -1
decoded = self.nodes[0].decoderawtransaction(signed_tx)
for out in decoded['vout']:
if out['scriptPubKey']['addresses'][0] == p2sh:
p2sh_pos = out['n']
elif out['scriptPubKey']['addresses'][0] == p2pkh:
p2pkh_pos = out['n']
# spend single key from node 1
rawtx = self.nodes[1].walletcreatefundedpsbt([{"txid":txid,"vout":p2pkh_pos}], {self.nodes[1].getnewaddress():9.99})['psbt']
walletprocesspsbt_out = self.nodes[1].walletprocesspsbt(rawtx)
assert_equal(walletprocesspsbt_out['complete'], True)
self.nodes[1].sendrawtransaction(self.nodes[1].finalizepsbt(walletprocesspsbt_out['psbt'])['hex'])
# feeRate of 0.1 DASH / KB produces a total fee slightly below -maxtxfee (~0.06650000):
res = self.nodes[1].walletcreatefundedpsbt([{"txid":txid,"vout":p2pkh_pos},{"txid":txid,"vout":p2sh_pos},{"txid":txid,"vout":p2pkh_pos}], {self.nodes[1].getnewaddress():29.99}, 0, {"feeRate": 0.1})
assert_greater_than(res["fee"], 0.06)
assert_greater_than(0.07, res["fee"])
# feeRate of 10 DASH / KB produces a total fee well above -maxtxfee
# previously this was silently capped at -maxtxfee
assert_raises_rpc_error(-4, "Fee exceeds maximum configured by -maxtxfee", self.nodes[1].walletcreatefundedpsbt, [{"txid":txid,"vout":p2pkh_pos},{"txid":txid,"vout":p2sh_pos},{"txid":txid,"vout":p2pkh_pos}], {self.nodes[1].getnewaddress():29.99}, 0, {"feeRate": 10})
# partially sign multisig things with node 1
psbtx = self.nodes[1].walletcreatefundedpsbt([{"txid":txid,"vout":p2sh_pos}], {self.nodes[1].getnewaddress():9.99})['psbt']
walletprocesspsbt_out = self.nodes[1].walletprocesspsbt(psbtx)
psbtx = walletprocesspsbt_out['psbt']
assert_equal(walletprocesspsbt_out['complete'], False)
# partially sign with node 2. This should be complete and sendable
walletprocesspsbt_out = self.nodes[2].walletprocesspsbt(psbtx)
assert_equal(walletprocesspsbt_out['complete'], True)
self.nodes[2].sendrawtransaction(self.nodes[2].finalizepsbt(walletprocesspsbt_out['psbt'])['hex'])
# check that walletprocesspsbt fails to decode a non-psbt
rawtx = self.nodes[1].createrawtransaction([{"txid":txid,"vout":p2pkh_pos}], {self.nodes[1].getnewaddress():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.nodes[1].getnewaddress():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'])
assert_raises_rpc_error(-22, "Inputs must not have scriptSigs", self.nodes[0].converttopsbt, signedtx['hex'])
assert_raises_rpc_error(-22, "Inputs must not have scriptSigs", self.nodes[0].converttopsbt, signedtx['hex'], False)
# 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
node1_addr = self.nodes[1].getnewaddress()
node2_addr = self.nodes[2].getnewaddress()
txid1 = self.nodes[0].sendtoaddress(node1_addr, 13)
txid2 = self.nodes[0].sendtoaddress(node2_addr, 13)
blockhash = self.nodes[0].generate(6)[0]
self.sync_all()
vout1 = find_output(self.nodes[1], txid1, 13, blockhash=blockhash)
vout2 = find_output(self.nodes[2], txid2, 13, blockhash=blockhash)
# 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.nodes[0].getnewaddress():25.999})
# 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]
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]
# 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()
# 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'])
# Test that psbts with p2pkh outputs are created properly
p2pkh = self.nodes[0].getnewaddress()
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()
txid1 = self.nodes[0].sendtoaddress(addr1, 11)
vout1 = find_output(self.nodes[0], txid1, 11)
addr2 = self.nodes[1].getnewaddress()
txid2 = self.nodes[0].sendtoaddress(addr2, 11)
vout2 = find_output(self.nodes[0], txid2, 11)
addr3 = self.nodes[1].getnewaddress()
txid3 = self.nodes[0].sendtoaddress(addr3, 11)
vout3 = find_output(self.nodes[0], txid3, 11)
self.sync_all()
def test_psbt_input_keys(psbt_input, keys):
"""Check that the psbt input has only the expected keys."""
assert_equal(set(keys), set(psbt_input.keys()))
# Create a PSBT. None of the inputs are filled initially
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)
test_psbt_input_keys(decoded['inputs'][0], [])
test_psbt_input_keys(decoded['inputs'][1], [])
test_psbt_input_keys(decoded['inputs'][2], [])
# Update a PSBT with UTXOs from the node
# No inputs should be filled because they are non-witness
updated = self.nodes[1].utxoupdatepsbt(psbt)
decoded = self.nodes[1].decodepsbt(updated)
test_psbt_input_keys(decoded['inputs'][1], [])
test_psbt_input_keys(decoded['inputs'][2], [])
# Try again, now while providing descriptors
descs = [self.nodes[1].getaddressinfo(addr)['desc'] for addr in [addr1,addr2,addr3]]
updated = self.nodes[1].utxoupdatepsbt(psbt, descs)
decoded = self.nodes[1].decodepsbt(updated)
test_psbt_input_keys(decoded['inputs'][0], [])
test_psbt_input_keys(decoded['inputs'][1], [])
test_psbt_input_keys(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()
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" not 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]
if __name__ == '__main__':
PSBTTest().main()