aboutsummaryrefslogtreecommitdiff
path: root/test/functional/rpc_psbt.py
blob: 28bcc516c6abf1d201ae40d075a1ec94615d3a86 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
#!/usr/bin/env python3
# Copyright (c) 2018-2020 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 decimal import Decimal
from test_framework.test_framework import BitcoinTestFramework
from test_framework.util import (
    assert_approx,
    assert_equal,
    assert_greater_than,
    assert_raises_rpc_error,
    connect_nodes,
    disconnect_nodes,
    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
        self.extra_args = [
            ["-walletrbf=1"],
            ["-walletrbf=0", "-changetype=legacy"],
            []
        ]
        self.supports_cli = False

    def skip_test_if_missing_module(self):
        self.skip_if_no_wallet()

    # TODO: Re-enable this test with segwit v1
    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
        # Topology of test network is linear, so this one call is enough
        disconnect_nodes(offline_node, 1)

        # Create watchonly on online_node
        online_node.createwallet(wallet_name='wonline', disable_private_keys=True)
        wonline = online_node.get_wallet_rpc('wonline')
        w2 = online_node.get_wallet_rpc('')

        # Mine a transaction that credits the offline address
        offline_addr = offline_node.getnewaddress(address_type="p2sh-segwit")
        online_addr = w2.getnewaddress(address_type="p2sh-segwit")
        wonline.importaddress(offline_addr, "", False)
        mining_node.sendtoaddress(address=offline_addr, amount=1.0)
        mining_node.generate(nblocks=1)
        self.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 = wonline.listunspent(addresses=[offline_addr])
        raw = wonline.createrawtransaction([{"txid":utxos[0]["txid"], "vout":utxos[0]["vout"]}],[{online_addr:0.9999}])
        psbt = wonline.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)
        self.sync_blocks([mining_node, online_node])
        assert_equal(online_node.gettxout(txid,0)["confirmations"], 1)

        wonline.unloadwallet()

        # Reconnect
        connect_nodes(self.nodes[0], 1)
        connect_nodes(self.nodes[0], 2)

    def assert_change_type(self, psbtx, expected_type):
        """Assert that the given PSBT has a change output with the given type."""

        # The decodepsbt RPC is stateless and independent of any settings, we can always just call it on the first node
        decoded_psbt = self.nodes[0].decodepsbt(psbtx["psbt"])
        changepos = psbtx["changepos"]
        assert_equal(decoded_psbt["tx"]["vout"][changepos]["scriptPubKey"]["type"], expected_type)

    def run_test(self):
        # Create and fund a raw tx for sending 10 BTC
        psbtx1 = self.nodes[0].walletcreatefundedpsbt([], {self.nodes[2].getnewaddress():10})['psbt']

        # If inputs are specified, do not automatically add more:
        utxo1 = self.nodes[0].listunspent()[0]
        assert_raises_rpc_error(-4, "Insufficient funds", self.nodes[0].walletcreatefundedpsbt, [{"txid": utxo1['txid'], "vout": utxo1['vout']}], {self.nodes[2].getnewaddress():90})

        psbtx1 = self.nodes[0].walletcreatefundedpsbt([{"txid": utxo1['txid'], "vout": utxo1['vout']}], {self.nodes[2].getnewaddress():90}, 0, {"add_inputs": True})['psbt']
        assert_equal(len(self.nodes[0].decodepsbt(psbtx1)['tx']['vin']), 2)

        # Inputs argument can be null
        self.nodes[0].walletcreatefundedpsbt(None, {self.nodes[2].getnewaddress():10})

        # 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)

        # Manually selected inputs can be locked:
        assert_equal(len(self.nodes[0].listlockunspent()), 0)
        utxo1 = self.nodes[0].listunspent()[0]
        psbtx1 = self.nodes[0].walletcreatefundedpsbt([{"txid": utxo1['txid'], "vout": utxo1['vout']}], {self.nodes[2].getnewaddress():1}, 0,{"lockUnspents": True})["psbt"]
        assert_equal(len(self.nodes[0].listlockunspent()), 1)

        # Locks are ignored for manually selected inputs
        self.nodes[0].walletcreatefundedpsbt([{"txid": utxo1['txid'], "vout": utxo1['vout']}], {self.nodes[2].getnewaddress():1}, 0)

        # Create p2sh, p2wpkh, and p2wsh 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']

        # Setup watchonly wallets
        self.nodes[2].createwallet(wallet_name='wmulti', disable_private_keys=True)
        wmulti = self.nodes[2].get_wallet_rpc('wmulti')

        # Create all the addresses
        p2sh = wmulti.addmultisigaddress(2, [pubkey0, pubkey1, pubkey2], "", "legacy")['address']
        p2wsh = wmulti.addmultisigaddress(2, [pubkey0, pubkey1, pubkey2], "", "bech32")['address']
        p2sh_p2wsh = wmulti.addmultisigaddress(2, [pubkey0, pubkey1, pubkey2], "", "p2sh-segwit")['address']
        if not self.options.descriptors:
            wmulti.importaddress(p2sh)
            wmulti.importaddress(p2wsh)
            wmulti.importaddress(p2sh_p2wsh)
        p2wpkh = self.nodes[1].getnewaddress("", "bech32")
        p2pkh = self.nodes[1].getnewaddress("", "legacy")
        p2sh_p2wpkh = self.nodes[1].getnewaddress("", "p2sh-segwit")

        # 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})
        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
        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']['addresses'][0] == p2sh:
                p2sh_pos = out['n']
            elif out['scriptPubKey']['addresses'][0] == p2wsh:
                p2wsh_pos = out['n']
            elif out['scriptPubKey']['addresses'][0] == p2wpkh:
                p2wpkh_pos = out['n']
            elif out['scriptPubKey']['addresses'][0] == p2sh_p2wsh:
                p2sh_p2wsh_pos = out['n']
            elif out['scriptPubKey']['addresses'][0] == p2sh_p2wpkh:
                p2sh_p2wpkh_pos = out['n']
            elif out['scriptPubKey']['addresses'][0] == p2pkh:
                p2pkh_pos = out['n']

        inputs = [{"txid": txid, "vout": p2wpkh_pos}, {"txid": txid, "vout": p2sh_p2wpkh_pos}, {"txid": txid, "vout": p2pkh_pos}]
        outputs = [{self.nodes[1].getnewaddress(): 29.99}]

        # spend single key from node 1
        created_psbt = self.nodes[1].walletcreatefundedpsbt(inputs, outputs)
        walletprocesspsbt_out = self.nodes[1].walletprocesspsbt(created_psbt['psbt'])
        # Make sure it has both types of UTXOs
        decoded = self.nodes[1].decodepsbt(walletprocesspsbt_out['psbt'])
        assert 'non_witness_utxo' in decoded['inputs'][0]
        assert 'witness_utxo' in decoded['inputs'][0]
        # Check decodepsbt fee calculation (input values shall only be counted once per UTXO)
        assert_equal(decoded['fee'], created_psbt['fee'])
        assert_equal(walletprocesspsbt_out['complete'], True)
        self.nodes[1].sendrawtransaction(self.nodes[1].finalizepsbt(walletprocesspsbt_out['psbt'])['hex'])

        self.log.info("Test walletcreatefundedpsbt feeRate of 0.1 BTC/kB produces a total fee at or slightly below -maxtxfee (~0.05290000)")
        res = self.nodes[1].walletcreatefundedpsbt(inputs, outputs, 0, {"feeRate": 0.1, "add_inputs": True})
        assert_approx(res["fee"], 0.055, 0.005)

        self.log.info("Test walletcreatefundedpsbt explicit fee rate with conf_target and estimate_mode")
        for unit, fee_rate in {"btc/kb": 0.1, "sat/b": 10000}.items():
            fee = self.nodes[1].walletcreatefundedpsbt(inputs, outputs, 0, {"conf_target": fee_rate, "estimate_mode": unit, "add_inputs": True})["fee"]
            self.log.info("- conf_target {}, estimate_mode {} produces fee {} at or slightly below -maxtxfee (~0.05290000)".format(fee_rate, unit, fee))
            assert_approx(fee, vexp=0.055, vspan=0.005)

        for field, fee_rate in {"conf_target": 0.1, "estimate_mode": "sat/b"}.items():
            self.log.info("- raises RPC error if both feeRate and {} are passed".format(field))
            assert_raises_rpc_error(-8, "Cannot specify both {} and feeRate".format(field),
                lambda: self.nodes[1].walletcreatefundedpsbt(inputs, outputs, 0, {"feeRate": 0.1, field: fee_rate, "add_inputs": True}))

        self.log.info("- raises RPC error with invalid estimate_mode settings")
        for k, v in {"number": 42, "object": {"foo": "bar"}}.items():
            assert_raises_rpc_error(-3, "Expected type string for estimate_mode, got {}".format(k),
                lambda: self.nodes[1].walletcreatefundedpsbt(inputs, outputs, 0, {"estimate_mode": v, "conf_target": 0.1, "add_inputs": True}))
        for mode in ["foo", Decimal("3.141592")]:
            assert_raises_rpc_error(-8, "Invalid estimate_mode parameter",
                lambda: self.nodes[1].walletcreatefundedpsbt(inputs, outputs, 0, {"estimate_mode": mode, "conf_target": 0.1, "add_inputs": True}))

        self.log.info("- raises RPC error if estimate_mode is passed without a conf_target")
        for unit in ["SAT/B", "BTC/KB"]:
            assert_raises_rpc_error(-8, "Selected estimate_mode {} requires a fee rate to be specified in conf_target".format(unit),
                lambda: self.nodes[1].walletcreatefundedpsbt(inputs, outputs, 0, {"estimate_mode": unit}))

        self.log.info("- raises RPC error with invalid conf_target settings")
        for mode in ["unset", "economical", "conservative", "btc/kb", "sat/b"]:
            self.log.debug("{}".format(mode))
            for k, v in {"string": "", "object": {"foo": "bar"}}.items():
                assert_raises_rpc_error(-3, "Expected type number for conf_target, got {}".format(k),
                    lambda: self.nodes[1].walletcreatefundedpsbt(inputs, outputs, 0, {"estimate_mode": mode, "conf_target": v, "add_inputs": True}))
            if mode in ["btc/kb", "sat/b"]:
                assert_raises_rpc_error(-3, "Amount out of range",
                    lambda: self.nodes[1].walletcreatefundedpsbt(inputs, outputs, 0, {"estimate_mode": mode, "conf_target": -1, "add_inputs": True}))
                assert_raises_rpc_error(-4, "Fee rate (0.00000000 BTC/kB) is lower than the minimum fee rate setting (0.00001000 BTC/kB)",
                    lambda: self.nodes[1].walletcreatefundedpsbt(inputs, outputs, 0, {"estimate_mode": mode, "conf_target": 0, "add_inputs": True}))
            else:
                for n in [-1, 0, 1009]:
                    assert_raises_rpc_error(-8, "Invalid conf_target, must be between 1 and 1008",
                        lambda: self.nodes[1].walletcreatefundedpsbt(inputs, outputs, 0, {"estimate_mode": mode, "conf_target": n, "add_inputs": True}))

        for unit, fee_rate in {"SAT/B": 0.99999999, "BTC/KB": 0.00000999}.items():
            self.log.info("- raises RPC error 'fee rate too low' if conf_target {} and estimate_mode {} are passed".format(fee_rate, unit))
            assert_raises_rpc_error(-4, "Fee rate (0.00000999 BTC/kB) is lower than the minimum fee rate setting (0.00001000 BTC/kB)",
                lambda: self.nodes[1].walletcreatefundedpsbt(inputs, outputs, 0, {"estimate_mode": unit, "conf_target": fee_rate, "add_inputs": True}))

        self.log.info("Test walletcreatefundedpsbt feeRate of 10 BTC/kB produces total fee well above -maxtxfee and raises RPC error")
        # previously this was silently capped at -maxtxfee
        for bool_add, outputs_array in {True: outputs, False: [{self.nodes[1].getnewaddress(): 1}]}.items():
            assert_raises_rpc_error(-4, "Fee exceeds maximum configured by user (e.g. -maxtxfee, maxfeerate)",
                self.nodes[1].walletcreatefundedpsbt, inputs, outputs_array, 0, {"feeRate": 10, "add_inputs": bool_add})

        self.log.info("Test various PSBT operations")
        # partially sign multisig things with node 1
        psbtx = wmulti.walletcreatefundedpsbt(inputs=[{"txid":txid,"vout":p2wsh_pos},{"txid":txid,"vout":p2sh_pos},{"txid":txid,"vout":p2sh_p2wsh_pos}], outputs={self.nodes[1].getnewaddress():29.99}, options={'changeAddress': self.nodes[1].getrawchangeaddress()})['psbt']
        walletprocesspsbt_out = self.nodes[1].walletprocesspsbt(psbtx)
        psbtx = walletprocesspsbt_out['psbt']
        assert_equal(walletprocesspsbt_out['complete'], False)

        # Unload wmulti, we don't need it anymore
        wmulti.unloadwallet()

        # 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":p2wpkh_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 non-psbt with signatures cannot be converted
        # Error could be either "TX decode failed" (segwit inputs causes parsing to fail) or "Inputs must not have scriptSigs and scriptWitnesses"
        # We must set iswitness=True because the serialized transaction has inputs and is therefore a witness transaction
        signedtx = self.nodes[0].signrawtransactionwithwallet(rawtx['hex'])
        assert_raises_rpc_error(-22, "", self.nodes[0].converttopsbt, hexstring=signedtx['hex'], iswitness=True)
        assert_raises_rpc_error(-22, "", self.nodes[0].converttopsbt, hexstring=signedtx['hex'], permitsigdata=False, iswitness=True)
        # 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, False, "ALL")['psbt']
        psbt1_decoded = self.nodes[0].decodepsbt(psbt1)
        assert psbt1_decoded['inputs'][0] and not psbt1_decoded['inputs'][1]
        # Check that BIP32 path was added
        assert "bip32_derivs" in psbt1_decoded['inputs'][0]
        psbt2 = self.nodes[2].walletprocesspsbt(psbt_orig, False, "ALL", False)['psbt']
        psbt2_decoded = self.nodes[0].decodepsbt(psbt2)
        assert not psbt2_decoded['inputs'][0] and psbt2_decoded['inputs'][1]
        # Check that BIP32 paths were not added
        assert "bip32_derivs" not in psbt2_decoded['inputs'][1]

        # Sign PSBTs (workaround issue #18039)
        psbt1 = self.nodes[1].walletprocesspsbt(psbt_orig)['psbt']
        psbt2 = self.nodes[2].walletprocesspsbt(psbt_orig)['psbt']

        # 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.nodes[2].getnewaddress():unspent["amount"]+1}], block_height+2, {"replaceable": False, "add_inputs": 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_greater_than(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 and RBF explicitly enabled
        psbtx_info = self.nodes[0].walletcreatefundedpsbt([{"txid":unspent["txid"], "vout":unspent["vout"]}], [{self.nodes[2].getnewaddress():unspent["amount"]+1}], block_height, {"replaceable": True, "add_inputs": True}, 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_equal(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([], [{self.nodes[2].getnewaddress():unspent["amount"]+1}])
        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" in psbt_in
        assert_equal(decoded_psbt["tx"]["locktime"], 0)

        # Same construction without optional arguments, for a node with -walletrbf=0
        unspent1 = self.nodes[1].listunspent()[0]
        psbtx_info = self.nodes[1].walletcreatefundedpsbt([{"txid":unspent1["txid"], "vout":unspent1["vout"]}], [{self.nodes[2].getnewaddress():unspent1["amount"]+1}], block_height, {"add_inputs": True})
        decoded_psbt = self.nodes[1].decodepsbt(psbtx_info["psbt"])
        for tx_in, psbt_in in zip(decoded_psbt["tx"]["vin"], decoded_psbt["inputs"]):
            assert_greater_than(tx_in["sequence"], MAX_BIP125_RBF_SEQUENCE)
            assert "bip32_derivs" in psbt_in

        # 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)

        # Make sure the wallet's change type is respected by default
        small_output = {self.nodes[0].getnewaddress():0.1}
        psbtx_native = self.nodes[0].walletcreatefundedpsbt([], [small_output])
        self.assert_change_type(psbtx_native, "witness_v0_keyhash")
        psbtx_legacy = self.nodes[1].walletcreatefundedpsbt([], [small_output])
        self.assert_change_type(psbtx_legacy, "pubkeyhash")

        # Make sure the change type of the wallet can also be overwritten
        psbtx_np2wkh = self.nodes[1].walletcreatefundedpsbt([], [small_output], 0, {"change_type":"p2sh-segwit"})
        self.assert_change_type(psbtx_np2wkh, "scripthash")

        # Make sure the change type cannot be specified if a change address is given
        invalid_options = {"change_type":"legacy","changeAddress":self.nodes[0].getnewaddress()}
        assert_raises_rpc_error(-8, "both change address and address type options", self.nodes[0].walletcreatefundedpsbt, [], [small_output], 0, invalid_options)

        # 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}], 0, {"add_inputs": True})
        complete_psbt = self.nodes[0].walletprocesspsbt(psbtx_info["psbt"])
        double_processed_psbt = self.nodes[0].walletprocesspsbt(complete_psbt["psbt"])
        assert_equal(complete_psbt, double_processed_psbt)
        # We don't care about the decode result, but decoding must succeed.
        self.nodes[0].decodepsbt(double_processed_psbt["psbt"])

        # 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_name="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))

        # TODO: Re-enable this for segwit v1
        # 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()

        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
        # Bech32 inputs should be filled with witness UTXO. Other inputs should not 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'][0], ['witness_utxo'])
        test_psbt_input_keys(decoded['inputs'][1], [])
        test_psbt_input_keys(decoded['inputs'][2], [])

        # Try again, now while providing descriptors, making P2SH-segwit work, and causing bip32_derivs and redeem_script to be filled in
        descs = [self.nodes[1].getaddressinfo(addr)['desc'] for addr in [addr1,addr2,addr3]]
        updated = self.nodes[1].utxoupdatepsbt(psbt=psbt, descriptors=descs)
        decoded = self.nodes[1].decodepsbt(updated)
        test_psbt_input_keys(decoded['inputs'][0], ['witness_utxo', 'bip32_derivs'])
        test_psbt_input_keys(decoded['inputs'][1], [])
        test_psbt_input_keys(decoded['inputs'][2], ['witness_utxo', 'bip32_derivs', 'redeem_script'])

        # 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]

        # Check that joining shuffles the inputs and outputs
        # 10 attempts should be enough to get a shuffled join
        shuffled = False
        for _ in range(10):
            shuffled_joined = self.nodes[0].joinpsbts([psbt, psbt2])
            shuffled |= joined != shuffled_joined
            if shuffled:
                break
        assert shuffled

        # 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'] == Decimal('0.00746268')

        # 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'

        self.log.info("PSBT spending unspendable outputs should have error message and Creator as next")
        analysis = self.nodes[0].analyzepsbt('cHNidP8BAJoCAAAAAljoeiG1ba8MI76OcHBFbDNvfLqlyHV5JPVFiHuyq911AAAAAAD/////g40EJ9DsZQpoqka7CwmK6kQiwHGyyng1Kgd5WdB86h0BAAAAAP////8CcKrwCAAAAAAWAEHYXCtx0AYLCcmIauuBXlCZHdoSTQDh9QUAAAAAFv8/wADXYP/7//////8JxOh0LR2HAI8AAAAAAAEBIADC6wsAAAAAF2oUt/X69ELjeX2nTof+fZ10l+OyAokDAQcJAwEHEAABAACAAAEBIADC6wsAAAAAF2oUt/X69ELjeX2nTof+fZ10l+OyAokDAQcJAwEHENkMak8AAAAA')
        assert_equal(analysis['next'], 'creator')
        assert_equal(analysis['error'], 'PSBT is not valid. Input 0 spends unspendable output')

        self.log.info("PSBT with invalid values should have error message and Creator as next")
        analysis = self.nodes[0].analyzepsbt('cHNidP8BAHECAAAAAfA00BFgAm6tp86RowwH6BMImQNL5zXUcTT97XoLGz0BAAAAAAD/////AgD5ApUAAAAAFgAUKNw0x8HRctAgmvoevm4u1SbN7XL87QKVAAAAABYAFPck4gF7iL4NL4wtfRAKgQbghiTUAAAAAAABAR8AgIFq49AHABYAFJUDtxf2PHo641HEOBOAIvFMNTr2AAAA')
        assert_equal(analysis['next'], 'creator')
        assert_equal(analysis['error'], 'PSBT is not valid. Input 0 has invalid value')

        self.log.info("PSBT with signed, but not finalized, inputs should have Finalizer as next")
        analysis = self.nodes[0].analyzepsbt('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')
        assert_equal(analysis['next'], 'finalizer')

        analysis = self.nodes[0].analyzepsbt('cHNidP8BAHECAAAAAfA00BFgAm6tp86RowwH6BMImQNL5zXUcTT97XoLGz0BAAAAAAD/////AgCAgWrj0AcAFgAUKNw0x8HRctAgmvoevm4u1SbN7XL87QKVAAAAABYAFPck4gF7iL4NL4wtfRAKgQbghiTUAAAAAAABAR8A8gUqAQAAABYAFJUDtxf2PHo641HEOBOAIvFMNTr2AAAA')
        assert_equal(analysis['next'], 'creator')
        assert_equal(analysis['error'], 'PSBT is not valid. Output amount invalid')

        analysis = self.nodes[0].analyzepsbt('cHNidP8BAJoCAAAAAkvEW8NnDtdNtDpsmze+Ht2LH35IJcKv00jKAlUs21RrAwAAAAD/////S8Rbw2cO1020OmybN74e3Ysffkglwq/TSMoCVSzbVGsBAAAAAP7///8CwLYClQAAAAAWABSNJKzjaUb3uOxixsvh1GGE3fW7zQD5ApUAAAAAFgAUKNw0x8HRctAgmvoevm4u1SbN7XIAAAAAAAEAnQIAAAACczMa321tVHuN4GKWKRncycI22aX3uXgwSFUKM2orjRsBAAAAAP7///9zMxrfbW1Ue43gYpYpGdzJwjbZpfe5eDBIVQozaiuNGwAAAAAA/v///wIA+QKVAAAAABl2qRT9zXUVA8Ls5iVqynLHe5/vSe1XyYisQM0ClQAAAAAWABRmWQUcjSjghQ8/uH4Bn/zkakwLtAAAAAAAAQEfQM0ClQAAAAAWABRmWQUcjSjghQ8/uH4Bn/zkakwLtAAAAA==')
        assert_equal(analysis['next'], 'creator')
        assert_equal(analysis['error'], 'PSBT is not valid. Input 0 specifies invalid prevout')

        assert_raises_rpc_error(-25, 'Inputs missing or spent', self.nodes[0].walletprocesspsbt, 'cHNidP8BAJoCAAAAAkvEW8NnDtdNtDpsmze+Ht2LH35IJcKv00jKAlUs21RrAwAAAAD/////S8Rbw2cO1020OmybN74e3Ysffkglwq/TSMoCVSzbVGsBAAAAAP7///8CwLYClQAAAAAWABSNJKzjaUb3uOxixsvh1GGE3fW7zQD5ApUAAAAAFgAUKNw0x8HRctAgmvoevm4u1SbN7XIAAAAAAAEAnQIAAAACczMa321tVHuN4GKWKRncycI22aX3uXgwSFUKM2orjRsBAAAAAP7///9zMxrfbW1Ue43gYpYpGdzJwjbZpfe5eDBIVQozaiuNGwAAAAAA/v///wIA+QKVAAAAABl2qRT9zXUVA8Ls5iVqynLHe5/vSe1XyYisQM0ClQAAAAAWABRmWQUcjSjghQ8/uH4Bn/zkakwLtAAAAAAAAQEfQM0ClQAAAAAWABRmWQUcjSjghQ8/uH4Bn/zkakwLtAAAAA==')

if __name__ == '__main__':
    PSBTTest().main()