aboutsummaryrefslogtreecommitdiff
path: root/src/rpc/rawtransaction.cpp
blob: 21bc0e52f130d27d46d0966679b1fcd85233056d (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
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
1821
1822
1823
1824
1825
1826
1827
1828
1829
1830
1831
1832
1833
1834
1835
1836
1837
1838
1839
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876
1877
1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1911
1912
1913
1914
1915
1916
1917
1918
1919
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929
1930
1931
1932
1933
1934
1935
1936
1937
1938
1939
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027
2028
2029
2030
2031
2032
// Copyright (c) 2010 Satoshi Nakamoto
// Copyright (c) 2009-2022 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.

#include <base58.h>
#include <chain.h>
#include <coins.h>
#include <consensus/amount.h>
#include <consensus/validation.h>
#include <core_io.h>
#include <index/txindex.h>
#include <key_io.h>
#include <node/blockstorage.h>
#include <node/coin.h>
#include <node/context.h>
#include <node/psbt.h>
#include <node/transaction.h>
#include <node/types.h>
#include <policy/packages.h>
#include <policy/policy.h>
#include <policy/rbf.h>
#include <primitives/transaction.h>
#include <psbt.h>
#include <random.h>
#include <rpc/blockchain.h>
#include <rpc/rawtransaction_util.h>
#include <rpc/server.h>
#include <rpc/server_util.h>
#include <rpc/util.h>
#include <script/script.h>
#include <script/sign.h>
#include <script/signingprovider.h>
#include <script/solver.h>
#include <uint256.h>
#include <undo.h>
#include <util/bip32.h>
#include <util/check.h>
#include <util/strencodings.h>
#include <util/string.h>
#include <util/vector.h>
#include <validation.h>
#include <validationinterface.h>

#include <numeric>
#include <stdint.h>

#include <univalue.h>

using node::AnalyzePSBT;
using node::FindCoins;
using node::GetTransaction;
using node::NodeContext;
using node::PSBTAnalysis;

static void TxToJSON(const CTransaction& tx, const uint256 hashBlock, UniValue& entry,
                     Chainstate& active_chainstate, const CTxUndo* txundo = nullptr,
                     TxVerbosity verbosity = TxVerbosity::SHOW_DETAILS)
{
    CHECK_NONFATAL(verbosity >= TxVerbosity::SHOW_DETAILS);
    // Call into TxToUniv() in bitcoin-common to decode the transaction hex.
    //
    // Blockchain contextual information (confirmations and blocktime) is not
    // available to code in bitcoin-common, so we query them here and push the
    // data into the returned UniValue.
    TxToUniv(tx, /*block_hash=*/uint256(), entry, /*include_hex=*/true, txundo, verbosity);

    if (!hashBlock.IsNull()) {
        LOCK(cs_main);

        entry.pushKV("blockhash", hashBlock.GetHex());
        const CBlockIndex* pindex = active_chainstate.m_blockman.LookupBlockIndex(hashBlock);
        if (pindex) {
            if (active_chainstate.m_chain.Contains(pindex)) {
                entry.pushKV("confirmations", 1 + active_chainstate.m_chain.Height() - pindex->nHeight);
                entry.pushKV("time", pindex->GetBlockTime());
                entry.pushKV("blocktime", pindex->GetBlockTime());
            }
            else
                entry.pushKV("confirmations", 0);
        }
    }
}

static std::vector<RPCResult> ScriptPubKeyDoc() {
    return
         {
             {RPCResult::Type::STR, "asm", "Disassembly of the output script"},
             {RPCResult::Type::STR, "desc", "Inferred descriptor for the output"},
             {RPCResult::Type::STR_HEX, "hex", "The raw output script bytes, hex-encoded"},
             {RPCResult::Type::STR, "address", /*optional=*/true, "The Bitcoin address (only if a well-defined address exists)"},
             {RPCResult::Type::STR, "type", "The type (one of: " + GetAllOutputTypes() + ")"},
         };
}

static std::vector<RPCResult> DecodeTxDoc(const std::string& txid_field_doc)
{
    return {
        {RPCResult::Type::STR_HEX, "txid", txid_field_doc},
        {RPCResult::Type::STR_HEX, "hash", "The transaction hash (differs from txid for witness transactions)"},
        {RPCResult::Type::NUM, "size", "The serialized transaction size"},
        {RPCResult::Type::NUM, "vsize", "The virtual transaction size (differs from size for witness transactions)"},
        {RPCResult::Type::NUM, "weight", "The transaction's weight (between vsize*4-3 and vsize*4)"},
        {RPCResult::Type::NUM, "version", "The version"},
        {RPCResult::Type::NUM_TIME, "locktime", "The lock time"},
        {RPCResult::Type::ARR, "vin", "",
        {
            {RPCResult::Type::OBJ, "", "",
            {
                {RPCResult::Type::STR_HEX, "coinbase", /*optional=*/true, "The coinbase value (only if coinbase transaction)"},
                {RPCResult::Type::STR_HEX, "txid", /*optional=*/true, "The transaction id (if not coinbase transaction)"},
                {RPCResult::Type::NUM, "vout", /*optional=*/true, "The output number (if not coinbase transaction)"},
                {RPCResult::Type::OBJ, "scriptSig", /*optional=*/true, "The script (if not coinbase transaction)",
                {
                    {RPCResult::Type::STR, "asm", "Disassembly of the signature script"},
                    {RPCResult::Type::STR_HEX, "hex", "The raw signature script bytes, hex-encoded"},
                }},
                {RPCResult::Type::ARR, "txinwitness", /*optional=*/true, "",
                {
                    {RPCResult::Type::STR_HEX, "hex", "hex-encoded witness data (if any)"},
                }},
                {RPCResult::Type::NUM, "sequence", "The script sequence number"},
            }},
        }},
        {RPCResult::Type::ARR, "vout", "",
        {
            {RPCResult::Type::OBJ, "", "",
            {
                {RPCResult::Type::STR_AMOUNT, "value", "The value in " + CURRENCY_UNIT},
                {RPCResult::Type::NUM, "n", "index"},
                {RPCResult::Type::OBJ, "scriptPubKey", "", ScriptPubKeyDoc()},
            }},
        }},
    };
}

static std::vector<RPCArg> CreateTxDoc()
{
    return {
        {"inputs", RPCArg::Type::ARR, RPCArg::Optional::NO, "The inputs",
            {
                {"", RPCArg::Type::OBJ, RPCArg::Optional::OMITTED, "",
                    {
                        {"txid", RPCArg::Type::STR_HEX, RPCArg::Optional::NO, "The transaction id"},
                        {"vout", RPCArg::Type::NUM, RPCArg::Optional::NO, "The output number"},
                        {"sequence", RPCArg::Type::NUM, RPCArg::DefaultHint{"depends on the value of the 'replaceable' and 'locktime' arguments"}, "The sequence number"},
                    },
                },
            },
        },
        {"outputs", RPCArg::Type::ARR, RPCArg::Optional::NO, "The outputs specified as key-value pairs.\n"
                "Each key may only appear once, i.e. there can only be one 'data' output, and no address may be duplicated.\n"
                "At least one output of either type must be specified.\n"
                "For compatibility reasons, a dictionary, which holds the key-value pairs directly, is also\n"
                "                             accepted as second parameter.",
            {
                {"", RPCArg::Type::OBJ_USER_KEYS, RPCArg::Optional::OMITTED, "",
                    {
                        {"address", RPCArg::Type::AMOUNT, RPCArg::Optional::NO, "A key-value pair. The key (string) is the bitcoin address, the value (float or string) is the amount in " + CURRENCY_UNIT},
                    },
                },
                {"", RPCArg::Type::OBJ, RPCArg::Optional::OMITTED, "",
                    {
                        {"data", RPCArg::Type::STR_HEX, RPCArg::Optional::NO, "A key-value pair. The key must be \"data\", the value is hex-encoded data"},
                    },
                },
            },
         RPCArgOptions{.skip_type_check = true}},
        {"locktime", RPCArg::Type::NUM, RPCArg::Default{0}, "Raw locktime. Non-0 value also locktime-activates inputs"},
        {"replaceable", RPCArg::Type::BOOL, RPCArg::Default{true}, "Marks this transaction as BIP125-replaceable.\n"
                "Allows this transaction to be replaced by a transaction with higher fees. If provided, it is an error if explicit sequence numbers are incompatible."},
    };
}

// Update PSBT with information from the mempool, the UTXO set, the txindex, and the provided descriptors.
// Optionally, sign the inputs that we can using information from the descriptors.
PartiallySignedTransaction ProcessPSBT(const std::string& psbt_string, const std::any& context, const HidingSigningProvider& provider, int sighash_type, bool finalize)
{
    // Unserialize the transactions
    PartiallySignedTransaction psbtx;
    std::string error;
    if (!DecodeBase64PSBT(psbtx, psbt_string, error)) {
        throw JSONRPCError(RPC_DESERIALIZATION_ERROR, strprintf("TX decode failed %s", error));
    }

    if (g_txindex) g_txindex->BlockUntilSyncedToCurrentChain();
    const NodeContext& node = EnsureAnyNodeContext(context);

    // If we can't find the corresponding full transaction for all of our inputs,
    // this will be used to find just the utxos for the segwit inputs for which
    // the full transaction isn't found
    std::map<COutPoint, Coin> coins;

    // Fetch previous transactions:
    // First, look in the txindex and the mempool
    for (unsigned int i = 0; i < psbtx.tx->vin.size(); ++i) {
        PSBTInput& psbt_input = psbtx.inputs.at(i);
        const CTxIn& tx_in = psbtx.tx->vin.at(i);

        // The `non_witness_utxo` is the whole previous transaction
        if (psbt_input.non_witness_utxo) continue;

        CTransactionRef tx;

        // Look in the txindex
        if (g_txindex) {
            uint256 block_hash;
            g_txindex->FindTx(tx_in.prevout.hash, block_hash, tx);
        }
        // If we still don't have it look in the mempool
        if (!tx) {
            tx = node.mempool->get(tx_in.prevout.hash);
        }
        if (tx) {
            psbt_input.non_witness_utxo = tx;
        } else {
            coins[tx_in.prevout]; // Create empty map entry keyed by prevout
        }
    }

    // If we still haven't found all of the inputs, look for the missing ones in the utxo set
    if (!coins.empty()) {
        FindCoins(node, coins);
        for (unsigned int i = 0; i < psbtx.tx->vin.size(); ++i) {
            PSBTInput& input = psbtx.inputs.at(i);

            // If there are still missing utxos, add them if they were found in the utxo set
            if (!input.non_witness_utxo) {
                const CTxIn& tx_in = psbtx.tx->vin.at(i);
                const Coin& coin = coins.at(tx_in.prevout);
                if (!coin.out.IsNull() && IsSegWitOutput(provider, coin.out.scriptPubKey)) {
                    input.witness_utxo = coin.out;
                }
            }
        }
    }

    const PrecomputedTransactionData& txdata = PrecomputePSBTData(psbtx);

    for (unsigned int i = 0; i < psbtx.tx->vin.size(); ++i) {
        if (PSBTInputSigned(psbtx.inputs.at(i))) {
            continue;
        }

        // Update script/keypath information using descriptor data.
        // Note that SignPSBTInput does a lot more than just constructing ECDSA signatures.
        // We only actually care about those if our signing provider doesn't hide private
        // information, as is the case with `descriptorprocesspsbt`
        SignPSBTInput(provider, psbtx, /*index=*/i, &txdata, sighash_type, /*out_sigdata=*/nullptr, finalize);
    }

    // Update script/keypath information using descriptor data.
    for (unsigned int i = 0; i < psbtx.tx->vout.size(); ++i) {
        UpdatePSBTOutput(provider, psbtx, i);
    }

    RemoveUnnecessaryTransactions(psbtx, /*sighash_type=*/1);

    return psbtx;
}

static RPCHelpMan getrawtransaction()
{
    return RPCHelpMan{
                "getrawtransaction",

                "By default, this call only returns a transaction if it is in the mempool. If -txindex is enabled\n"
                "and no blockhash argument is passed, it will return the transaction if it is in the mempool or any block.\n"
                "If a blockhash argument is passed, it will return the transaction if\n"
                "the specified block is available and the transaction is in that block.\n\n"
                "Hint: Use gettransaction for wallet transactions.\n\n"

                "If verbosity is 0 or omitted, returns the serialized transaction as a hex-encoded string.\n"
                "If verbosity is 1, returns a JSON Object with information about the transaction.\n"
                "If verbosity is 2, returns a JSON Object with information about the transaction, including fee and prevout information.",
                {
                    {"txid", RPCArg::Type::STR_HEX, RPCArg::Optional::NO, "The transaction id"},
                    {"verbosity|verbose", RPCArg::Type::NUM, RPCArg::Default{0}, "0 for hex-encoded data, 1 for a JSON object, and 2 for JSON object with fee and prevout",
                     RPCArgOptions{.skip_type_check = true}},
                    {"blockhash", RPCArg::Type::STR_HEX, RPCArg::Optional::OMITTED, "The block in which to look for the transaction"},
                },
                {
                    RPCResult{"if verbosity is not set or set to 0",
                         RPCResult::Type::STR, "data", "The serialized transaction as a hex-encoded string for 'txid'"
                     },
                     RPCResult{"if verbosity is set to 1",
                         RPCResult::Type::OBJ, "", "",
                         Cat<std::vector<RPCResult>>(
                         {
                             {RPCResult::Type::BOOL, "in_active_chain", /*optional=*/true, "Whether specified block is in the active chain or not (only present with explicit \"blockhash\" argument)"},
                             {RPCResult::Type::STR_HEX, "blockhash", /*optional=*/true, "the block hash"},
                             {RPCResult::Type::NUM, "confirmations", /*optional=*/true, "The confirmations"},
                             {RPCResult::Type::NUM_TIME, "blocktime", /*optional=*/true, "The block time expressed in " + UNIX_EPOCH_TIME},
                             {RPCResult::Type::NUM, "time", /*optional=*/true, "Same as \"blocktime\""},
                             {RPCResult::Type::STR_HEX, "hex", "The serialized, hex-encoded data for 'txid'"},
                         },
                         DecodeTxDoc(/*txid_field_doc=*/"The transaction id (same as provided)")),
                    },
                    RPCResult{"for verbosity = 2",
                        RPCResult::Type::OBJ, "", "",
                        {
                            {RPCResult::Type::ELISION, "", "Same output as verbosity = 1"},
                            {RPCResult::Type::NUM, "fee", /*optional=*/true, "transaction fee in " + CURRENCY_UNIT + ", omitted if block undo data is not available"},
                            {RPCResult::Type::ARR, "vin", "",
                            {
                                {RPCResult::Type::OBJ, "", "utxo being spent",
                                {
                                    {RPCResult::Type::ELISION, "", "Same output as verbosity = 1"},
                                    {RPCResult::Type::OBJ, "prevout", /*optional=*/true, "The previous output, omitted if block undo data is not available",
                                    {
                                        {RPCResult::Type::BOOL, "generated", "Coinbase or not"},
                                        {RPCResult::Type::NUM, "height", "The height of the prevout"},
                                        {RPCResult::Type::STR_AMOUNT, "value", "The value in " + CURRENCY_UNIT},
                                        {RPCResult::Type::OBJ, "scriptPubKey", "", ScriptPubKeyDoc()},
                                    }},
                                }},
                            }},
                        }},
                },
                RPCExamples{
                    HelpExampleCli("getrawtransaction", "\"mytxid\"")
            + HelpExampleCli("getrawtransaction", "\"mytxid\" 1")
            + HelpExampleRpc("getrawtransaction", "\"mytxid\", 1")
            + HelpExampleCli("getrawtransaction", "\"mytxid\" 0 \"myblockhash\"")
            + HelpExampleCli("getrawtransaction", "\"mytxid\" 1 \"myblockhash\"")
            + HelpExampleCli("getrawtransaction", "\"mytxid\" 2 \"myblockhash\"")
                },
        [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
{
    const NodeContext& node = EnsureAnyNodeContext(request.context);
    ChainstateManager& chainman = EnsureChainman(node);

    uint256 hash = ParseHashV(request.params[0], "parameter 1");
    const CBlockIndex* blockindex = nullptr;

    if (hash == chainman.GetParams().GenesisBlock().hashMerkleRoot) {
        // Special exception for the genesis block coinbase transaction
        throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "The genesis block coinbase is not considered an ordinary transaction and cannot be retrieved");
    }

    // Accept either a bool (true) or a num (>=0) to indicate verbosity.
    int verbosity{0};
    if (!request.params[1].isNull()) {
        if (request.params[1].isBool()) {
            verbosity = request.params[1].get_bool();
        } else {
            verbosity = request.params[1].getInt<int>();
        }
    }

    if (!request.params[2].isNull()) {
        LOCK(cs_main);

        uint256 blockhash = ParseHashV(request.params[2], "parameter 3");
        blockindex = chainman.m_blockman.LookupBlockIndex(blockhash);
        if (!blockindex) {
            throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Block hash not found");
        }
    }

    bool f_txindex_ready = false;
    if (g_txindex && !blockindex) {
        f_txindex_ready = g_txindex->BlockUntilSyncedToCurrentChain();
    }

    uint256 hash_block;
    const CTransactionRef tx = GetTransaction(blockindex, node.mempool.get(), hash, hash_block, chainman.m_blockman);
    if (!tx) {
        std::string errmsg;
        if (blockindex) {
            const bool block_has_data = WITH_LOCK(::cs_main, return blockindex->nStatus & BLOCK_HAVE_DATA);
            if (!block_has_data) {
                throw JSONRPCError(RPC_MISC_ERROR, "Block not available");
            }
            errmsg = "No such transaction found in the provided block";
        } else if (!g_txindex) {
            errmsg = "No such mempool transaction. Use -txindex or provide a block hash to enable blockchain transaction queries";
        } else if (!f_txindex_ready) {
            errmsg = "No such mempool transaction. Blockchain transactions are still in the process of being indexed";
        } else {
            errmsg = "No such mempool or blockchain transaction";
        }
        throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, errmsg + ". Use gettransaction for wallet transactions.");
    }

    if (verbosity <= 0) {
        return EncodeHexTx(*tx);
    }

    UniValue result(UniValue::VOBJ);
    if (blockindex) {
        LOCK(cs_main);
        result.pushKV("in_active_chain", chainman.ActiveChain().Contains(blockindex));
    }
    // If request is verbosity >= 1 but no blockhash was given, then look up the blockindex
    if (request.params[2].isNull()) {
        LOCK(cs_main);
        blockindex = chainman.m_blockman.LookupBlockIndex(hash_block); // May be nullptr for mempool transactions
    }
    if (verbosity == 1) {
        TxToJSON(*tx, hash_block, result, chainman.ActiveChainstate());
        return result;
    }

    CBlockUndo blockUndo;
    CBlock block;

    if (tx->IsCoinBase() || !blockindex || WITH_LOCK(::cs_main, return chainman.m_blockman.IsBlockPruned(*blockindex)) ||
        !(chainman.m_blockman.UndoReadFromDisk(blockUndo, *blockindex) && chainman.m_blockman.ReadBlockFromDisk(block, *blockindex))) {
        TxToJSON(*tx, hash_block, result, chainman.ActiveChainstate());
        return result;
    }

    CTxUndo* undoTX {nullptr};
    auto it = std::find_if(block.vtx.begin(), block.vtx.end(), [tx](CTransactionRef t){ return *t == *tx; });
    if (it != block.vtx.end()) {
        // -1 as blockundo does not have coinbase tx
        undoTX = &blockUndo.vtxundo.at(it - block.vtx.begin() - 1);
    }
    TxToJSON(*tx, hash_block, result, chainman.ActiveChainstate(), undoTX, TxVerbosity::SHOW_DETAILS_AND_PREVOUT);
    return result;
},
    };
}

static RPCHelpMan createrawtransaction()
{
    return RPCHelpMan{"createrawtransaction",
                "\nCreate a transaction spending the given inputs and creating new outputs.\n"
                "Outputs can be addresses or data.\n"
                "Returns hex-encoded raw transaction.\n"
                "Note that the transaction's inputs are not signed, and\n"
                "it is not stored in the wallet or transmitted to the network.\n",
                CreateTxDoc(),
                RPCResult{
                    RPCResult::Type::STR_HEX, "transaction", "hex string of the transaction"
                },
                RPCExamples{
                    HelpExampleCli("createrawtransaction", "\"[{\\\"txid\\\":\\\"myid\\\",\\\"vout\\\":0}]\" \"[{\\\"address\\\":0.01}]\"")
            + HelpExampleCli("createrawtransaction", "\"[{\\\"txid\\\":\\\"myid\\\",\\\"vout\\\":0}]\" \"[{\\\"data\\\":\\\"00010203\\\"}]\"")
            + HelpExampleRpc("createrawtransaction", "\"[{\\\"txid\\\":\\\"myid\\\",\\\"vout\\\":0}]\", \"[{\\\"address\\\":0.01}]\"")
            + HelpExampleRpc("createrawtransaction", "\"[{\\\"txid\\\":\\\"myid\\\",\\\"vout\\\":0}]\", \"[{\\\"data\\\":\\\"00010203\\\"}]\"")
                },
        [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
{
    std::optional<bool> rbf;
    if (!request.params[3].isNull()) {
        rbf = request.params[3].get_bool();
    }
    CMutableTransaction rawTx = ConstructTransaction(request.params[0], request.params[1], request.params[2], rbf);

    return EncodeHexTx(CTransaction(rawTx));
},
    };
}

static RPCHelpMan decoderawtransaction()
{
    return RPCHelpMan{"decoderawtransaction",
                "Return a JSON object representing the serialized, hex-encoded transaction.",
                {
                    {"hexstring", RPCArg::Type::STR_HEX, RPCArg::Optional::NO, "The transaction hex string"},
                    {"iswitness", RPCArg::Type::BOOL, RPCArg::DefaultHint{"depends on heuristic tests"}, "Whether the transaction hex is a serialized witness transaction.\n"
                        "If iswitness is not present, heuristic tests will be used in decoding.\n"
                        "If true, only witness deserialization will be tried.\n"
                        "If false, only non-witness deserialization will be tried.\n"
                        "This boolean should reflect whether the transaction has inputs\n"
                        "(e.g. fully valid, or on-chain transactions), if known by the caller."
                    },
                },
                RPCResult{
                    RPCResult::Type::OBJ, "", "",
                    DecodeTxDoc(/*txid_field_doc=*/"The transaction id"),
                },
                RPCExamples{
                    HelpExampleCli("decoderawtransaction", "\"hexstring\"")
            + HelpExampleRpc("decoderawtransaction", "\"hexstring\"")
                },
        [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
{
    CMutableTransaction mtx;

    bool try_witness = request.params[1].isNull() ? true : request.params[1].get_bool();
    bool try_no_witness = request.params[1].isNull() ? true : !request.params[1].get_bool();

    if (!DecodeHexTx(mtx, request.params[0].get_str(), try_no_witness, try_witness)) {
        throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "TX decode failed");
    }

    UniValue result(UniValue::VOBJ);
    TxToUniv(CTransaction(std::move(mtx)), /*block_hash=*/uint256(), /*entry=*/result, /*include_hex=*/false);

    return result;
},
    };
}

static RPCHelpMan decodescript()
{
    return RPCHelpMan{
        "decodescript",
        "\nDecode a hex-encoded script.\n",
        {
            {"hexstring", RPCArg::Type::STR_HEX, RPCArg::Optional::NO, "the hex-encoded script"},
        },
        RPCResult{
            RPCResult::Type::OBJ, "", "",
            {
                {RPCResult::Type::STR, "asm", "Disassembly of the script"},
                {RPCResult::Type::STR, "desc", "Inferred descriptor for the script"},
                {RPCResult::Type::STR, "type", "The output type (e.g. " + GetAllOutputTypes() + ")"},
                {RPCResult::Type::STR, "address", /*optional=*/true, "The Bitcoin address (only if a well-defined address exists)"},
                {RPCResult::Type::STR, "p2sh", /*optional=*/true,
                 "address of P2SH script wrapping this redeem script (not returned for types that should not be wrapped)"},
                {RPCResult::Type::OBJ, "segwit", /*optional=*/true,
                 "Result of a witness output script wrapping this redeem script (not returned for types that should not be wrapped)",
                 {
                     {RPCResult::Type::STR, "asm", "Disassembly of the output script"},
                     {RPCResult::Type::STR_HEX, "hex", "The raw output script bytes, hex-encoded"},
                     {RPCResult::Type::STR, "type", "The type of the output script (e.g. witness_v0_keyhash or witness_v0_scripthash)"},
                     {RPCResult::Type::STR, "address", /*optional=*/true, "The Bitcoin address (only if a well-defined address exists)"},
                     {RPCResult::Type::STR, "desc", "Inferred descriptor for the script"},
                     {RPCResult::Type::STR, "p2sh-segwit", "address of the P2SH script wrapping this witness redeem script"},
                 }},
            },
        },
        RPCExamples{
            HelpExampleCli("decodescript", "\"hexstring\"")
          + HelpExampleRpc("decodescript", "\"hexstring\"")
        },
        [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
{
    UniValue r(UniValue::VOBJ);
    CScript script;
    if (request.params[0].get_str().size() > 0){
        std::vector<unsigned char> scriptData(ParseHexV(request.params[0], "argument"));
        script = CScript(scriptData.begin(), scriptData.end());
    } else {
        // Empty scripts are valid
    }
    ScriptToUniv(script, /*out=*/r, /*include_hex=*/false, /*include_address=*/true);

    std::vector<std::vector<unsigned char>> solutions_data;
    const TxoutType which_type{Solver(script, solutions_data)};

    const bool can_wrap{[&] {
        switch (which_type) {
        case TxoutType::MULTISIG:
        case TxoutType::NONSTANDARD:
        case TxoutType::PUBKEY:
        case TxoutType::PUBKEYHASH:
        case TxoutType::WITNESS_V0_KEYHASH:
        case TxoutType::WITNESS_V0_SCRIPTHASH:
            // Can be wrapped if the checks below pass
            break;
        case TxoutType::NULL_DATA:
        case TxoutType::SCRIPTHASH:
        case TxoutType::WITNESS_UNKNOWN:
        case TxoutType::WITNESS_V1_TAPROOT:
        case TxoutType::ANCHOR:
            // Should not be wrapped
            return false;
        } // no default case, so the compiler can warn about missing cases
        if (!script.HasValidOps() || script.IsUnspendable()) {
            return false;
        }
        for (CScript::const_iterator it{script.begin()}; it != script.end();) {
            opcodetype op;
            CHECK_NONFATAL(script.GetOp(it, op));
            if (op == OP_CHECKSIGADD || IsOpSuccess(op)) {
                return false;
            }
        }
        return true;
    }()};

    if (can_wrap) {
        r.pushKV("p2sh", EncodeDestination(ScriptHash(script)));
        // P2SH and witness programs cannot be wrapped in P2WSH, if this script
        // is a witness program, don't return addresses for a segwit programs.
        const bool can_wrap_P2WSH{[&] {
            switch (which_type) {
            case TxoutType::MULTISIG:
            case TxoutType::PUBKEY:
            // Uncompressed pubkeys cannot be used with segwit checksigs.
            // If the script contains an uncompressed pubkey, skip encoding of a segwit program.
                for (const auto& solution : solutions_data) {
                    if ((solution.size() != 1) && !CPubKey(solution).IsCompressed()) {
                        return false;
                    }
                }
                return true;
            case TxoutType::NONSTANDARD:
            case TxoutType::PUBKEYHASH:
                // Can be P2WSH wrapped
                return true;
            case TxoutType::NULL_DATA:
            case TxoutType::SCRIPTHASH:
            case TxoutType::WITNESS_UNKNOWN:
            case TxoutType::WITNESS_V0_KEYHASH:
            case TxoutType::WITNESS_V0_SCRIPTHASH:
            case TxoutType::WITNESS_V1_TAPROOT:
            case TxoutType::ANCHOR:
                // Should not be wrapped
                return false;
            } // no default case, so the compiler can warn about missing cases
            NONFATAL_UNREACHABLE();
        }()};
        if (can_wrap_P2WSH) {
            UniValue sr(UniValue::VOBJ);
            CScript segwitScr;
            FlatSigningProvider provider;
            if (which_type == TxoutType::PUBKEY) {
                segwitScr = GetScriptForDestination(WitnessV0KeyHash(Hash160(solutions_data[0])));
            } else if (which_type == TxoutType::PUBKEYHASH) {
                segwitScr = GetScriptForDestination(WitnessV0KeyHash(uint160{solutions_data[0]}));
            } else {
                // Scripts that are not fit for P2WPKH are encoded as P2WSH.
                provider.scripts[CScriptID(script)] = script;
                segwitScr = GetScriptForDestination(WitnessV0ScriptHash(script));
            }
            ScriptToUniv(segwitScr, /*out=*/sr, /*include_hex=*/true, /*include_address=*/true, /*provider=*/&provider);
            sr.pushKV("p2sh-segwit", EncodeDestination(ScriptHash(segwitScr)));
            r.pushKV("segwit", std::move(sr));
        }
    }

    return r;
},
    };
}

static RPCHelpMan combinerawtransaction()
{
    return RPCHelpMan{"combinerawtransaction",
                "\nCombine multiple partially signed transactions into one transaction.\n"
                "The combined transaction may be another partially signed transaction or a \n"
                "fully signed transaction.",
                {
                    {"txs", RPCArg::Type::ARR, RPCArg::Optional::NO, "The hex strings of partially signed transactions",
                        {
                            {"hexstring", RPCArg::Type::STR_HEX, RPCArg::Optional::OMITTED, "A hex-encoded raw transaction"},
                        },
                        },
                },
                RPCResult{
                    RPCResult::Type::STR, "", "The hex-encoded raw transaction with signature(s)"
                },
                RPCExamples{
                    HelpExampleCli("combinerawtransaction", R"('["myhex1", "myhex2", "myhex3"]')")
                },
        [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
{

    UniValue txs = request.params[0].get_array();
    std::vector<CMutableTransaction> txVariants(txs.size());

    for (unsigned int idx = 0; idx < txs.size(); idx++) {
        if (!DecodeHexTx(txVariants[idx], txs[idx].get_str())) {
            throw JSONRPCError(RPC_DESERIALIZATION_ERROR, strprintf("TX decode failed for tx %d. Make sure the tx has at least one input.", idx));
        }
    }

    if (txVariants.empty()) {
        throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "Missing transactions");
    }

    // mergedTx will end up with all the signatures; it
    // starts as a clone of the rawtx:
    CMutableTransaction mergedTx(txVariants[0]);

    // Fetch previous transactions (inputs):
    CCoinsView viewDummy;
    CCoinsViewCache view(&viewDummy);
    {
        NodeContext& node = EnsureAnyNodeContext(request.context);
        const CTxMemPool& mempool = EnsureMemPool(node);
        ChainstateManager& chainman = EnsureChainman(node);
        LOCK2(cs_main, mempool.cs);
        CCoinsViewCache &viewChain = chainman.ActiveChainstate().CoinsTip();
        CCoinsViewMemPool viewMempool(&viewChain, mempool);
        view.SetBackend(viewMempool); // temporarily switch cache backend to db+mempool view

        for (const CTxIn& txin : mergedTx.vin) {
            view.AccessCoin(txin.prevout); // Load entries from viewChain into view; can fail.
        }

        view.SetBackend(viewDummy); // switch back to avoid locking mempool for too long
    }

    // Use CTransaction for the constant parts of the
    // transaction to avoid rehashing.
    const CTransaction txConst(mergedTx);
    // Sign what we can:
    for (unsigned int i = 0; i < mergedTx.vin.size(); i++) {
        CTxIn& txin = mergedTx.vin[i];
        const Coin& coin = view.AccessCoin(txin.prevout);
        if (coin.IsSpent()) {
            throw JSONRPCError(RPC_VERIFY_ERROR, "Input not found or already spent");
        }
        SignatureData sigdata;

        // ... and merge in other signatures:
        for (const CMutableTransaction& txv : txVariants) {
            if (txv.vin.size() > i) {
                sigdata.MergeSignatureData(DataFromTransaction(txv, i, coin.out));
            }
        }
        ProduceSignature(DUMMY_SIGNING_PROVIDER, MutableTransactionSignatureCreator(mergedTx, i, coin.out.nValue, 1), coin.out.scriptPubKey, sigdata);

        UpdateInput(txin, sigdata);
    }

    return EncodeHexTx(CTransaction(mergedTx));
},
    };
}

static RPCHelpMan signrawtransactionwithkey()
{
    return RPCHelpMan{"signrawtransactionwithkey",
                "\nSign inputs for raw transaction (serialized, hex-encoded).\n"
                "The second argument is an array of base58-encoded private\n"
                "keys that will be the only keys used to sign the transaction.\n"
                "The third optional argument (may be null) is an array of previous transaction outputs that\n"
                "this transaction depends on but may not yet be in the block chain.\n",
                {
                    {"hexstring", RPCArg::Type::STR, RPCArg::Optional::NO, "The transaction hex string"},
                    {"privkeys", RPCArg::Type::ARR, RPCArg::Optional::NO, "The base58-encoded private keys for signing",
                        {
                            {"privatekey", RPCArg::Type::STR_HEX, RPCArg::Optional::OMITTED, "private key in base58-encoding"},
                        },
                        },
                    {"prevtxs", RPCArg::Type::ARR, RPCArg::Optional::OMITTED, "The previous dependent transaction outputs",
                        {
                            {"", RPCArg::Type::OBJ, RPCArg::Optional::OMITTED, "",
                                {
                                    {"txid", RPCArg::Type::STR_HEX, RPCArg::Optional::NO, "The transaction id"},
                                    {"vout", RPCArg::Type::NUM, RPCArg::Optional::NO, "The output number"},
                                    {"scriptPubKey", RPCArg::Type::STR_HEX, RPCArg::Optional::NO, "output script"},
                                    {"redeemScript", RPCArg::Type::STR_HEX, RPCArg::Optional::OMITTED, "(required for P2SH) redeem script"},
                                    {"witnessScript", RPCArg::Type::STR_HEX, RPCArg::Optional::OMITTED, "(required for P2WSH or P2SH-P2WSH) witness script"},
                                    {"amount", RPCArg::Type::AMOUNT, RPCArg::Optional::OMITTED, "(required for Segwit inputs) the amount spent"},
                                },
                                },
                        },
                        },
                    {"sighashtype", RPCArg::Type::STR, RPCArg::Default{"DEFAULT for Taproot, ALL otherwise"}, "The signature hash type. Must be one of:\n"
            "       \"DEFAULT\"\n"
            "       \"ALL\"\n"
            "       \"NONE\"\n"
            "       \"SINGLE\"\n"
            "       \"ALL|ANYONECANPAY\"\n"
            "       \"NONE|ANYONECANPAY\"\n"
            "       \"SINGLE|ANYONECANPAY\"\n"
                    },
                },
                RPCResult{
                    RPCResult::Type::OBJ, "", "",
                    {
                        {RPCResult::Type::STR_HEX, "hex", "The hex-encoded raw transaction with signature(s)"},
                        {RPCResult::Type::BOOL, "complete", "If the transaction has a complete set of signatures"},
                        {RPCResult::Type::ARR, "errors", /*optional=*/true, "Script verification errors (if there are any)",
                        {
                            {RPCResult::Type::OBJ, "", "",
                            {
                                {RPCResult::Type::STR_HEX, "txid", "The hash of the referenced, previous transaction"},
                                {RPCResult::Type::NUM, "vout", "The index of the output to spent and used as input"},
                                {RPCResult::Type::ARR, "witness", "",
                                {
                                    {RPCResult::Type::STR_HEX, "witness", ""},
                                }},
                                {RPCResult::Type::STR_HEX, "scriptSig", "The hex-encoded signature script"},
                                {RPCResult::Type::NUM, "sequence", "Script sequence number"},
                                {RPCResult::Type::STR, "error", "Verification or signing error related to the input"},
                            }},
                        }},
                    }
                },
                RPCExamples{
                    HelpExampleCli("signrawtransactionwithkey", "\"myhex\" \"[\\\"key1\\\",\\\"key2\\\"]\"")
            + HelpExampleRpc("signrawtransactionwithkey", "\"myhex\", \"[\\\"key1\\\",\\\"key2\\\"]\"")
                },
        [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
{
    CMutableTransaction mtx;
    if (!DecodeHexTx(mtx, request.params[0].get_str())) {
        throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "TX decode failed. Make sure the tx has at least one input.");
    }

    FlatSigningProvider keystore;
    const UniValue& keys = request.params[1].get_array();
    for (unsigned int idx = 0; idx < keys.size(); ++idx) {
        UniValue k = keys[idx];
        CKey key = DecodeSecret(k.get_str());
        if (!key.IsValid()) {
            throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid private key");
        }

        CPubKey pubkey = key.GetPubKey();
        CKeyID key_id = pubkey.GetID();
        keystore.pubkeys.emplace(key_id, pubkey);
        keystore.keys.emplace(key_id, key);
    }

    // Fetch previous transactions (inputs):
    std::map<COutPoint, Coin> coins;
    for (const CTxIn& txin : mtx.vin) {
        coins[txin.prevout]; // Create empty map entry keyed by prevout.
    }
    NodeContext& node = EnsureAnyNodeContext(request.context);
    FindCoins(node, coins);

    // Parse the prevtxs array
    ParsePrevouts(request.params[2], &keystore, coins);

    UniValue result(UniValue::VOBJ);
    SignTransaction(mtx, &keystore, coins, request.params[3], result);
    return result;
},
    };
}

const RPCResult decodepsbt_inputs{
    RPCResult::Type::ARR, "inputs", "",
    {
        {RPCResult::Type::OBJ, "", "",
        {
            {RPCResult::Type::OBJ, "non_witness_utxo", /*optional=*/true, "Decoded network transaction for non-witness UTXOs",
            {
                {RPCResult::Type::ELISION, "",""},
            }},
            {RPCResult::Type::OBJ, "witness_utxo", /*optional=*/true, "Transaction output for witness UTXOs",
            {
                {RPCResult::Type::NUM, "amount", "The value in " + CURRENCY_UNIT},
                {RPCResult::Type::OBJ, "scriptPubKey", "",
                {
                    {RPCResult::Type::STR, "asm", "Disassembly of the output script"},
                    {RPCResult::Type::STR, "desc", "Inferred descriptor for the output"},
                    {RPCResult::Type::STR_HEX, "hex", "The raw output script bytes, hex-encoded"},
                    {RPCResult::Type::STR, "type", "The type, eg 'pubkeyhash'"},
                    {RPCResult::Type::STR, "address", /*optional=*/true, "The Bitcoin address (only if a well-defined address exists)"},
                }},
            }},
            {RPCResult::Type::OBJ_DYN, "partial_signatures", /*optional=*/true, "",
            {
                {RPCResult::Type::STR, "pubkey", "The public key and signature that corresponds to it."},
            }},
            {RPCResult::Type::STR, "sighash", /*optional=*/true, "The sighash type to be used"},
            {RPCResult::Type::OBJ, "redeem_script", /*optional=*/true, "",
            {
                {RPCResult::Type::STR, "asm", "Disassembly of the redeem script"},
                {RPCResult::Type::STR_HEX, "hex", "The raw redeem script bytes, hex-encoded"},
                {RPCResult::Type::STR, "type", "The type, eg 'pubkeyhash'"},
            }},
            {RPCResult::Type::OBJ, "witness_script", /*optional=*/true, "",
            {
                {RPCResult::Type::STR, "asm", "Disassembly of the witness script"},
                {RPCResult::Type::STR_HEX, "hex", "The raw witness script bytes, hex-encoded"},
                {RPCResult::Type::STR, "type", "The type, eg 'pubkeyhash'"},
            }},
            {RPCResult::Type::ARR, "bip32_derivs", /*optional=*/true, "",
            {
                {RPCResult::Type::OBJ, "", "",
                {
                    {RPCResult::Type::STR, "pubkey", "The public key with the derivation path as the value."},
                    {RPCResult::Type::STR, "master_fingerprint", "The fingerprint of the master key"},
                    {RPCResult::Type::STR, "path", "The path"},
                }},
            }},
            {RPCResult::Type::OBJ, "final_scriptSig", /*optional=*/true, "",
            {
                {RPCResult::Type::STR, "asm", "Disassembly of the final signature script"},
                {RPCResult::Type::STR_HEX, "hex", "The raw final signature script bytes, hex-encoded"},
            }},
            {RPCResult::Type::ARR, "final_scriptwitness", /*optional=*/true, "",
            {
                {RPCResult::Type::STR_HEX, "", "hex-encoded witness data (if any)"},
            }},
            {RPCResult::Type::OBJ_DYN, "ripemd160_preimages", /*optional=*/ true, "",
            {
                {RPCResult::Type::STR, "hash", "The hash and preimage that corresponds to it."},
            }},
            {RPCResult::Type::OBJ_DYN, "sha256_preimages", /*optional=*/ true, "",
            {
                {RPCResult::Type::STR, "hash", "The hash and preimage that corresponds to it."},
            }},
            {RPCResult::Type::OBJ_DYN, "hash160_preimages", /*optional=*/ true, "",
            {
                {RPCResult::Type::STR, "hash", "The hash and preimage that corresponds to it."},
            }},
            {RPCResult::Type::OBJ_DYN, "hash256_preimages", /*optional=*/ true, "",
            {
                {RPCResult::Type::STR, "hash", "The hash and preimage that corresponds to it."},
            }},
            {RPCResult::Type::STR_HEX, "taproot_key_path_sig", /*optional=*/ true, "hex-encoded signature for the Taproot key path spend"},
            {RPCResult::Type::ARR, "taproot_script_path_sigs", /*optional=*/ true, "",
            {
                {RPCResult::Type::OBJ, "signature", /*optional=*/ true, "The signature for the pubkey and leaf hash combination",
                {
                    {RPCResult::Type::STR, "pubkey", "The x-only pubkey for this signature"},
                    {RPCResult::Type::STR, "leaf_hash", "The leaf hash for this signature"},
                    {RPCResult::Type::STR, "sig", "The signature itself"},
                }},
            }},
            {RPCResult::Type::ARR, "taproot_scripts", /*optional=*/ true, "",
            {
                {RPCResult::Type::OBJ, "", "",
                {
                    {RPCResult::Type::STR_HEX, "script", "A leaf script"},
                    {RPCResult::Type::NUM, "leaf_ver", "The version number for the leaf script"},
                    {RPCResult::Type::ARR, "control_blocks", "The control blocks for this script",
                    {
                        {RPCResult::Type::STR_HEX, "control_block", "A hex-encoded control block for this script"},
                    }},
                }},
            }},
            {RPCResult::Type::ARR, "taproot_bip32_derivs", /*optional=*/ true, "",
            {
                {RPCResult::Type::OBJ, "", "",
                {
                    {RPCResult::Type::STR, "pubkey", "The x-only public key this path corresponds to"},
                    {RPCResult::Type::STR, "master_fingerprint", "The fingerprint of the master key"},
                    {RPCResult::Type::STR, "path", "The path"},
                    {RPCResult::Type::ARR, "leaf_hashes", "The hashes of the leaves this pubkey appears in",
                    {
                        {RPCResult::Type::STR_HEX, "hash", "The hash of a leaf this pubkey appears in"},
                    }},
                }},
            }},
            {RPCResult::Type::STR_HEX, "taproot_internal_key", /*optional=*/ true, "The hex-encoded Taproot x-only internal key"},
            {RPCResult::Type::STR_HEX, "taproot_merkle_root", /*optional=*/ true, "The hex-encoded Taproot merkle root"},
            {RPCResult::Type::OBJ_DYN, "unknown", /*optional=*/ true, "The unknown input fields",
            {
                {RPCResult::Type::STR_HEX, "key", "(key-value pair) An unknown key-value pair"},
            }},
            {RPCResult::Type::ARR, "proprietary", /*optional=*/true, "The input proprietary map",
            {
                {RPCResult::Type::OBJ, "", "",
                {
                    {RPCResult::Type::STR_HEX, "identifier", "The hex string for the proprietary identifier"},
                    {RPCResult::Type::NUM, "subtype", "The number for the subtype"},
                    {RPCResult::Type::STR_HEX, "key", "The hex for the key"},
                    {RPCResult::Type::STR_HEX, "value", "The hex for the value"},
                }},
            }},
        }},
    }
};

const RPCResult decodepsbt_outputs{
    RPCResult::Type::ARR, "outputs", "",
    {
        {RPCResult::Type::OBJ, "", "",
        {
            {RPCResult::Type::OBJ, "redeem_script", /*optional=*/true, "",
            {
                {RPCResult::Type::STR, "asm", "Disassembly of the redeem script"},
                {RPCResult::Type::STR_HEX, "hex", "The raw redeem script bytes, hex-encoded"},
                {RPCResult::Type::STR, "type", "The type, eg 'pubkeyhash'"},
            }},
            {RPCResult::Type::OBJ, "witness_script", /*optional=*/true, "",
            {
                {RPCResult::Type::STR, "asm", "Disassembly of the witness script"},
                {RPCResult::Type::STR_HEX, "hex", "The raw witness script bytes, hex-encoded"},
                {RPCResult::Type::STR, "type", "The type, eg 'pubkeyhash'"},
            }},
            {RPCResult::Type::ARR, "bip32_derivs", /*optional=*/true, "",
            {
                {RPCResult::Type::OBJ, "", "",
                {
                    {RPCResult::Type::STR, "pubkey", "The public key this path corresponds to"},
                    {RPCResult::Type::STR, "master_fingerprint", "The fingerprint of the master key"},
                    {RPCResult::Type::STR, "path", "The path"},
                }},
            }},
            {RPCResult::Type::STR_HEX, "taproot_internal_key", /*optional=*/ true, "The hex-encoded Taproot x-only internal key"},
            {RPCResult::Type::ARR, "taproot_tree", /*optional=*/ true, "The tuples that make up the Taproot tree, in depth first search order",
            {
                {RPCResult::Type::OBJ, "tuple", /*optional=*/ true, "A single leaf script in the taproot tree",
                {
                    {RPCResult::Type::NUM, "depth", "The depth of this element in the tree"},
                    {RPCResult::Type::NUM, "leaf_ver", "The version of this leaf"},
                    {RPCResult::Type::STR, "script", "The hex-encoded script itself"},
                }},
            }},
            {RPCResult::Type::ARR, "taproot_bip32_derivs", /*optional=*/ true, "",
            {
                {RPCResult::Type::OBJ, "", "",
                {
                    {RPCResult::Type::STR, "pubkey", "The x-only public key this path corresponds to"},
                    {RPCResult::Type::STR, "master_fingerprint", "The fingerprint of the master key"},
                    {RPCResult::Type::STR, "path", "The path"},
                    {RPCResult::Type::ARR, "leaf_hashes", "The hashes of the leaves this pubkey appears in",
                    {
                        {RPCResult::Type::STR_HEX, "hash", "The hash of a leaf this pubkey appears in"},
                    }},
                }},
            }},
            {RPCResult::Type::OBJ_DYN, "unknown", /*optional=*/true, "The unknown output fields",
            {
                {RPCResult::Type::STR_HEX, "key", "(key-value pair) An unknown key-value pair"},
            }},
            {RPCResult::Type::ARR, "proprietary", /*optional=*/true, "The output proprietary map",
            {
                {RPCResult::Type::OBJ, "", "",
                {
                    {RPCResult::Type::STR_HEX, "identifier", "The hex string for the proprietary identifier"},
                    {RPCResult::Type::NUM, "subtype", "The number for the subtype"},
                    {RPCResult::Type::STR_HEX, "key", "The hex for the key"},
                    {RPCResult::Type::STR_HEX, "value", "The hex for the value"},
                }},
            }},
        }},
    }
};

static RPCHelpMan decodepsbt()
{
    return RPCHelpMan{
        "decodepsbt",
        "Return a JSON object representing the serialized, base64-encoded partially signed Bitcoin transaction.",
                {
                    {"psbt", RPCArg::Type::STR, RPCArg::Optional::NO, "The PSBT base64 string"},
                },
                RPCResult{
                    RPCResult::Type::OBJ, "", "",
                    {
                        {RPCResult::Type::OBJ, "tx", "The decoded network-serialized unsigned transaction.",
                        {
                            {RPCResult::Type::ELISION, "", "The layout is the same as the output of decoderawtransaction."},
                        }},
                        {RPCResult::Type::ARR, "global_xpubs", "",
                        {
                            {RPCResult::Type::OBJ, "", "",
                            {
                                {RPCResult::Type::STR, "xpub", "The extended public key this path corresponds to"},
                                {RPCResult::Type::STR_HEX, "master_fingerprint", "The fingerprint of the master key"},
                                {RPCResult::Type::STR, "path", "The path"},
                            }},
                        }},
                        {RPCResult::Type::NUM, "psbt_version", "The PSBT version number. Not to be confused with the unsigned transaction version"},
                        {RPCResult::Type::ARR, "proprietary", "The global proprietary map",
                        {
                            {RPCResult::Type::OBJ, "", "",
                            {
                                {RPCResult::Type::STR_HEX, "identifier", "The hex string for the proprietary identifier"},
                                {RPCResult::Type::NUM, "subtype", "The number for the subtype"},
                                {RPCResult::Type::STR_HEX, "key", "The hex for the key"},
                                {RPCResult::Type::STR_HEX, "value", "The hex for the value"},
                            }},
                        }},
                        {RPCResult::Type::OBJ_DYN, "unknown", "The unknown global fields",
                        {
                             {RPCResult::Type::STR_HEX, "key", "(key-value pair) An unknown key-value pair"},
                        }},
                        decodepsbt_inputs,
                        decodepsbt_outputs,
                        {RPCResult::Type::STR_AMOUNT, "fee", /*optional=*/true, "The transaction fee paid if all UTXOs slots in the PSBT have been filled."},
                    }
                },
                RPCExamples{
                    HelpExampleCli("decodepsbt", "\"psbt\"")
                },
        [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
{
    // Unserialize the transactions
    PartiallySignedTransaction psbtx;
    std::string error;
    if (!DecodeBase64PSBT(psbtx, request.params[0].get_str(), error)) {
        throw JSONRPCError(RPC_DESERIALIZATION_ERROR, strprintf("TX decode failed %s", error));
    }

    UniValue result(UniValue::VOBJ);

    // Add the decoded tx
    UniValue tx_univ(UniValue::VOBJ);
    TxToUniv(CTransaction(*psbtx.tx), /*block_hash=*/uint256(), /*entry=*/tx_univ, /*include_hex=*/false);
    result.pushKV("tx", std::move(tx_univ));

    // Add the global xpubs
    UniValue global_xpubs(UniValue::VARR);
    for (std::pair<KeyOriginInfo, std::set<CExtPubKey>> xpub_pair : psbtx.m_xpubs) {
        for (auto& xpub : xpub_pair.second) {
            std::vector<unsigned char> ser_xpub;
            ser_xpub.assign(BIP32_EXTKEY_WITH_VERSION_SIZE, 0);
            xpub.EncodeWithVersion(ser_xpub.data());

            UniValue keypath(UniValue::VOBJ);
            keypath.pushKV("xpub", EncodeBase58Check(ser_xpub));
            keypath.pushKV("master_fingerprint", HexStr(Span<unsigned char>(xpub_pair.first.fingerprint, xpub_pair.first.fingerprint + 4)));
            keypath.pushKV("path", WriteHDKeypath(xpub_pair.first.path));
            global_xpubs.push_back(std::move(keypath));
        }
    }
    result.pushKV("global_xpubs", std::move(global_xpubs));

    // PSBT version
    result.pushKV("psbt_version", static_cast<uint64_t>(psbtx.GetVersion()));

    // Proprietary
    UniValue proprietary(UniValue::VARR);
    for (const auto& entry : psbtx.m_proprietary) {
        UniValue this_prop(UniValue::VOBJ);
        this_prop.pushKV("identifier", HexStr(entry.identifier));
        this_prop.pushKV("subtype", entry.subtype);
        this_prop.pushKV("key", HexStr(entry.key));
        this_prop.pushKV("value", HexStr(entry.value));
        proprietary.push_back(std::move(this_prop));
    }
    result.pushKV("proprietary", std::move(proprietary));

    // Unknown data
    UniValue unknowns(UniValue::VOBJ);
    for (auto entry : psbtx.unknown) {
        unknowns.pushKV(HexStr(entry.first), HexStr(entry.second));
    }
    result.pushKV("unknown", std::move(unknowns));

    // inputs
    CAmount total_in = 0;
    bool have_all_utxos = true;
    UniValue inputs(UniValue::VARR);
    for (unsigned int i = 0; i < psbtx.inputs.size(); ++i) {
        const PSBTInput& input = psbtx.inputs[i];
        UniValue in(UniValue::VOBJ);
        // UTXOs
        bool have_a_utxo = false;
        CTxOut txout;
        if (!input.witness_utxo.IsNull()) {
            txout = input.witness_utxo;

            UniValue o(UniValue::VOBJ);
            ScriptToUniv(txout.scriptPubKey, /*out=*/o, /*include_hex=*/true, /*include_address=*/true);

            UniValue out(UniValue::VOBJ);
            out.pushKV("amount", ValueFromAmount(txout.nValue));
            out.pushKV("scriptPubKey", std::move(o));

            in.pushKV("witness_utxo", std::move(out));

            have_a_utxo = true;
        }
        if (input.non_witness_utxo) {
            txout = input.non_witness_utxo->vout[psbtx.tx->vin[i].prevout.n];

            UniValue non_wit(UniValue::VOBJ);
            TxToUniv(*input.non_witness_utxo, /*block_hash=*/uint256(), /*entry=*/non_wit, /*include_hex=*/false);
            in.pushKV("non_witness_utxo", std::move(non_wit));

            have_a_utxo = true;
        }
        if (have_a_utxo) {
            if (MoneyRange(txout.nValue) && MoneyRange(total_in + txout.nValue)) {
                total_in += txout.nValue;
            } else {
                // Hack to just not show fee later
                have_all_utxos = false;
            }
        } else {
            have_all_utxos = false;
        }

        // Partial sigs
        if (!input.partial_sigs.empty()) {
            UniValue partial_sigs(UniValue::VOBJ);
            for (const auto& sig : input.partial_sigs) {
                partial_sigs.pushKV(HexStr(sig.second.first), HexStr(sig.second.second));
            }
            in.pushKV("partial_signatures", std::move(partial_sigs));
        }

        // Sighash
        if (input.sighash_type != std::nullopt) {
            in.pushKV("sighash", SighashToStr((unsigned char)*input.sighash_type));
        }

        // Redeem script and witness script
        if (!input.redeem_script.empty()) {
            UniValue r(UniValue::VOBJ);
            ScriptToUniv(input.redeem_script, /*out=*/r);
            in.pushKV("redeem_script", std::move(r));
        }
        if (!input.witness_script.empty()) {
            UniValue r(UniValue::VOBJ);
            ScriptToUniv(input.witness_script, /*out=*/r);
            in.pushKV("witness_script", std::move(r));
        }

        // keypaths
        if (!input.hd_keypaths.empty()) {
            UniValue keypaths(UniValue::VARR);
            for (auto entry : input.hd_keypaths) {
                UniValue keypath(UniValue::VOBJ);
                keypath.pushKV("pubkey", HexStr(entry.first));

                keypath.pushKV("master_fingerprint", strprintf("%08x", ReadBE32(entry.second.fingerprint)));
                keypath.pushKV("path", WriteHDKeypath(entry.second.path));
                keypaths.push_back(std::move(keypath));
            }
            in.pushKV("bip32_derivs", std::move(keypaths));
        }

        // Final scriptSig and scriptwitness
        if (!input.final_script_sig.empty()) {
            UniValue scriptsig(UniValue::VOBJ);
            scriptsig.pushKV("asm", ScriptToAsmStr(input.final_script_sig, true));
            scriptsig.pushKV("hex", HexStr(input.final_script_sig));
            in.pushKV("final_scriptSig", std::move(scriptsig));
        }
        if (!input.final_script_witness.IsNull()) {
            UniValue txinwitness(UniValue::VARR);
            for (const auto& item : input.final_script_witness.stack) {
                txinwitness.push_back(HexStr(item));
            }
            in.pushKV("final_scriptwitness", std::move(txinwitness));
        }

        // Ripemd160 hash preimages
        if (!input.ripemd160_preimages.empty()) {
            UniValue ripemd160_preimages(UniValue::VOBJ);
            for (const auto& [hash, preimage] : input.ripemd160_preimages) {
                ripemd160_preimages.pushKV(HexStr(hash), HexStr(preimage));
            }
            in.pushKV("ripemd160_preimages", std::move(ripemd160_preimages));
        }

        // Sha256 hash preimages
        if (!input.sha256_preimages.empty()) {
            UniValue sha256_preimages(UniValue::VOBJ);
            for (const auto& [hash, preimage] : input.sha256_preimages) {
                sha256_preimages.pushKV(HexStr(hash), HexStr(preimage));
            }
            in.pushKV("sha256_preimages", std::move(sha256_preimages));
        }

        // Hash160 hash preimages
        if (!input.hash160_preimages.empty()) {
            UniValue hash160_preimages(UniValue::VOBJ);
            for (const auto& [hash, preimage] : input.hash160_preimages) {
                hash160_preimages.pushKV(HexStr(hash), HexStr(preimage));
            }
            in.pushKV("hash160_preimages", std::move(hash160_preimages));
        }

        // Hash256 hash preimages
        if (!input.hash256_preimages.empty()) {
            UniValue hash256_preimages(UniValue::VOBJ);
            for (const auto& [hash, preimage] : input.hash256_preimages) {
                hash256_preimages.pushKV(HexStr(hash), HexStr(preimage));
            }
            in.pushKV("hash256_preimages", std::move(hash256_preimages));
        }

        // Taproot key path signature
        if (!input.m_tap_key_sig.empty()) {
            in.pushKV("taproot_key_path_sig", HexStr(input.m_tap_key_sig));
        }

        // Taproot script path signatures
        if (!input.m_tap_script_sigs.empty()) {
            UniValue script_sigs(UniValue::VARR);
            for (const auto& [pubkey_leaf, sig] : input.m_tap_script_sigs) {
                const auto& [xonly, leaf_hash] = pubkey_leaf;
                UniValue sigobj(UniValue::VOBJ);
                sigobj.pushKV("pubkey", HexStr(xonly));
                sigobj.pushKV("leaf_hash", HexStr(leaf_hash));
                sigobj.pushKV("sig", HexStr(sig));
                script_sigs.push_back(std::move(sigobj));
            }
            in.pushKV("taproot_script_path_sigs", std::move(script_sigs));
        }

        // Taproot leaf scripts
        if (!input.m_tap_scripts.empty()) {
            UniValue tap_scripts(UniValue::VARR);
            for (const auto& [leaf, control_blocks] : input.m_tap_scripts) {
                const auto& [script, leaf_ver] = leaf;
                UniValue script_info(UniValue::VOBJ);
                script_info.pushKV("script", HexStr(script));
                script_info.pushKV("leaf_ver", leaf_ver);
                UniValue control_blocks_univ(UniValue::VARR);
                for (const auto& control_block : control_blocks) {
                    control_blocks_univ.push_back(HexStr(control_block));
                }
                script_info.pushKV("control_blocks", std::move(control_blocks_univ));
                tap_scripts.push_back(std::move(script_info));
            }
            in.pushKV("taproot_scripts", std::move(tap_scripts));
        }

        // Taproot bip32 keypaths
        if (!input.m_tap_bip32_paths.empty()) {
            UniValue keypaths(UniValue::VARR);
            for (const auto& [xonly, leaf_origin] : input.m_tap_bip32_paths) {
                const auto& [leaf_hashes, origin] = leaf_origin;
                UniValue path_obj(UniValue::VOBJ);
                path_obj.pushKV("pubkey", HexStr(xonly));
                path_obj.pushKV("master_fingerprint", strprintf("%08x", ReadBE32(origin.fingerprint)));
                path_obj.pushKV("path", WriteHDKeypath(origin.path));
                UniValue leaf_hashes_arr(UniValue::VARR);
                for (const auto& leaf_hash : leaf_hashes) {
                    leaf_hashes_arr.push_back(HexStr(leaf_hash));
                }
                path_obj.pushKV("leaf_hashes", std::move(leaf_hashes_arr));
                keypaths.push_back(std::move(path_obj));
            }
            in.pushKV("taproot_bip32_derivs", std::move(keypaths));
        }

        // Taproot internal key
        if (!input.m_tap_internal_key.IsNull()) {
            in.pushKV("taproot_internal_key", HexStr(input.m_tap_internal_key));
        }

        // Write taproot merkle root
        if (!input.m_tap_merkle_root.IsNull()) {
            in.pushKV("taproot_merkle_root", HexStr(input.m_tap_merkle_root));
        }

        // Proprietary
        if (!input.m_proprietary.empty()) {
            UniValue proprietary(UniValue::VARR);
            for (const auto& entry : input.m_proprietary) {
                UniValue this_prop(UniValue::VOBJ);
                this_prop.pushKV("identifier", HexStr(entry.identifier));
                this_prop.pushKV("subtype", entry.subtype);
                this_prop.pushKV("key", HexStr(entry.key));
                this_prop.pushKV("value", HexStr(entry.value));
                proprietary.push_back(std::move(this_prop));
            }
            in.pushKV("proprietary", std::move(proprietary));
        }

        // Unknown data
        if (input.unknown.size() > 0) {
            UniValue unknowns(UniValue::VOBJ);
            for (auto entry : input.unknown) {
                unknowns.pushKV(HexStr(entry.first), HexStr(entry.second));
            }
            in.pushKV("unknown", std::move(unknowns));
        }

        inputs.push_back(std::move(in));
    }
    result.pushKV("inputs", std::move(inputs));

    // outputs
    CAmount output_value = 0;
    UniValue outputs(UniValue::VARR);
    for (unsigned int i = 0; i < psbtx.outputs.size(); ++i) {
        const PSBTOutput& output = psbtx.outputs[i];
        UniValue out(UniValue::VOBJ);
        // Redeem script and witness script
        if (!output.redeem_script.empty()) {
            UniValue r(UniValue::VOBJ);
            ScriptToUniv(output.redeem_script, /*out=*/r);
            out.pushKV("redeem_script", std::move(r));
        }
        if (!output.witness_script.empty()) {
            UniValue r(UniValue::VOBJ);
            ScriptToUniv(output.witness_script, /*out=*/r);
            out.pushKV("witness_script", std::move(r));
        }

        // keypaths
        if (!output.hd_keypaths.empty()) {
            UniValue keypaths(UniValue::VARR);
            for (auto entry : output.hd_keypaths) {
                UniValue keypath(UniValue::VOBJ);
                keypath.pushKV("pubkey", HexStr(entry.first));
                keypath.pushKV("master_fingerprint", strprintf("%08x", ReadBE32(entry.second.fingerprint)));
                keypath.pushKV("path", WriteHDKeypath(entry.second.path));
                keypaths.push_back(std::move(keypath));
            }
            out.pushKV("bip32_derivs", std::move(keypaths));
        }

        // Taproot internal key
        if (!output.m_tap_internal_key.IsNull()) {
            out.pushKV("taproot_internal_key", HexStr(output.m_tap_internal_key));
        }

        // Taproot tree
        if (!output.m_tap_tree.empty()) {
            UniValue tree(UniValue::VARR);
            for (const auto& [depth, leaf_ver, script] : output.m_tap_tree) {
                UniValue elem(UniValue::VOBJ);
                elem.pushKV("depth", (int)depth);
                elem.pushKV("leaf_ver", (int)leaf_ver);
                elem.pushKV("script", HexStr(script));
                tree.push_back(std::move(elem));
            }
            out.pushKV("taproot_tree", std::move(tree));
        }

        // Taproot bip32 keypaths
        if (!output.m_tap_bip32_paths.empty()) {
            UniValue keypaths(UniValue::VARR);
            for (const auto& [xonly, leaf_origin] : output.m_tap_bip32_paths) {
                const auto& [leaf_hashes, origin] = leaf_origin;
                UniValue path_obj(UniValue::VOBJ);
                path_obj.pushKV("pubkey", HexStr(xonly));
                path_obj.pushKV("master_fingerprint", strprintf("%08x", ReadBE32(origin.fingerprint)));
                path_obj.pushKV("path", WriteHDKeypath(origin.path));
                UniValue leaf_hashes_arr(UniValue::VARR);
                for (const auto& leaf_hash : leaf_hashes) {
                    leaf_hashes_arr.push_back(HexStr(leaf_hash));
                }
                path_obj.pushKV("leaf_hashes", std::move(leaf_hashes_arr));
                keypaths.push_back(std::move(path_obj));
            }
            out.pushKV("taproot_bip32_derivs", std::move(keypaths));
        }

        // Proprietary
        if (!output.m_proprietary.empty()) {
            UniValue proprietary(UniValue::VARR);
            for (const auto& entry : output.m_proprietary) {
                UniValue this_prop(UniValue::VOBJ);
                this_prop.pushKV("identifier", HexStr(entry.identifier));
                this_prop.pushKV("subtype", entry.subtype);
                this_prop.pushKV("key", HexStr(entry.key));
                this_prop.pushKV("value", HexStr(entry.value));
                proprietary.push_back(std::move(this_prop));
            }
            out.pushKV("proprietary", std::move(proprietary));
        }

        // Unknown data
        if (output.unknown.size() > 0) {
            UniValue unknowns(UniValue::VOBJ);
            for (auto entry : output.unknown) {
                unknowns.pushKV(HexStr(entry.first), HexStr(entry.second));
            }
            out.pushKV("unknown", std::move(unknowns));
        }

        outputs.push_back(std::move(out));

        // Fee calculation
        if (MoneyRange(psbtx.tx->vout[i].nValue) && MoneyRange(output_value + psbtx.tx->vout[i].nValue)) {
            output_value += psbtx.tx->vout[i].nValue;
        } else {
            // Hack to just not show fee later
            have_all_utxos = false;
        }
    }
    result.pushKV("outputs", std::move(outputs));
    if (have_all_utxos) {
        result.pushKV("fee", ValueFromAmount(total_in - output_value));
    }

    return result;
},
    };
}

static RPCHelpMan combinepsbt()
{
    return RPCHelpMan{"combinepsbt",
                "\nCombine multiple partially signed Bitcoin transactions into one transaction.\n"
                "Implements the Combiner role.\n",
                {
                    {"txs", RPCArg::Type::ARR, RPCArg::Optional::NO, "The base64 strings of partially signed transactions",
                        {
                            {"psbt", RPCArg::Type::STR, RPCArg::Optional::OMITTED, "A base64 string of a PSBT"},
                        },
                        },
                },
                RPCResult{
                    RPCResult::Type::STR, "", "The base64-encoded partially signed transaction"
                },
                RPCExamples{
                    HelpExampleCli("combinepsbt", R"('["mybase64_1", "mybase64_2", "mybase64_3"]')")
                },
        [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
{
    // Unserialize the transactions
    std::vector<PartiallySignedTransaction> psbtxs;
    UniValue txs = request.params[0].get_array();
    if (txs.empty()) {
        throw JSONRPCError(RPC_INVALID_PARAMETER, "Parameter 'txs' cannot be empty");
    }
    for (unsigned int i = 0; i < txs.size(); ++i) {
        PartiallySignedTransaction psbtx;
        std::string error;
        if (!DecodeBase64PSBT(psbtx, txs[i].get_str(), error)) {
            throw JSONRPCError(RPC_DESERIALIZATION_ERROR, strprintf("TX decode failed %s", error));
        }
        psbtxs.push_back(psbtx);
    }

    PartiallySignedTransaction merged_psbt;
    if (!CombinePSBTs(merged_psbt, psbtxs)) {
        throw JSONRPCError(RPC_INVALID_PARAMETER, "PSBTs not compatible (different transactions)");
    }

    DataStream ssTx{};
    ssTx << merged_psbt;
    return EncodeBase64(ssTx);
},
    };
}

static RPCHelpMan finalizepsbt()
{
    return RPCHelpMan{"finalizepsbt",
                "Finalize the inputs of a PSBT. If the transaction is fully signed, it will produce a\n"
                "network serialized transaction which can be broadcast with sendrawtransaction. Otherwise a PSBT will be\n"
                "created which has the final_scriptSig and final_scriptWitness fields filled for inputs that are complete.\n"
                "Implements the Finalizer and Extractor roles.\n",
                {
                    {"psbt", RPCArg::Type::STR, RPCArg::Optional::NO, "A base64 string of a PSBT"},
                    {"extract", RPCArg::Type::BOOL, RPCArg::Default{true}, "If true and the transaction is complete,\n"
            "                             extract and return the complete transaction in normal network serialization instead of the PSBT."},
                },
                RPCResult{
                    RPCResult::Type::OBJ, "", "",
                    {
                        {RPCResult::Type::STR, "psbt", /*optional=*/true, "The base64-encoded partially signed transaction if not extracted"},
                        {RPCResult::Type::STR_HEX, "hex", /*optional=*/true, "The hex-encoded network transaction if extracted"},
                        {RPCResult::Type::BOOL, "complete", "If the transaction has a complete set of signatures"},
                    }
                },
                RPCExamples{
                    HelpExampleCli("finalizepsbt", "\"psbt\"")
                },
        [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
{
    // Unserialize the transactions
    PartiallySignedTransaction psbtx;
    std::string error;
    if (!DecodeBase64PSBT(psbtx, request.params[0].get_str(), error)) {
        throw JSONRPCError(RPC_DESERIALIZATION_ERROR, strprintf("TX decode failed %s", error));
    }

    bool extract = request.params[1].isNull() || (!request.params[1].isNull() && request.params[1].get_bool());

    CMutableTransaction mtx;
    bool complete = FinalizeAndExtractPSBT(psbtx, mtx);

    UniValue result(UniValue::VOBJ);
    DataStream ssTx{};
    std::string result_str;

    if (complete && extract) {
        ssTx << TX_WITH_WITNESS(mtx);
        result_str = HexStr(ssTx);
        result.pushKV("hex", result_str);
    } else {
        ssTx << psbtx;
        result_str = EncodeBase64(ssTx.str());
        result.pushKV("psbt", result_str);
    }
    result.pushKV("complete", complete);

    return result;
},
    };
}

static RPCHelpMan createpsbt()
{
    return RPCHelpMan{"createpsbt",
                "\nCreates a transaction in the Partially Signed Transaction format.\n"
                "Implements the Creator role.\n",
                CreateTxDoc(),
                RPCResult{
                    RPCResult::Type::STR, "", "The resulting raw transaction (base64-encoded string)"
                },
                RPCExamples{
                    HelpExampleCli("createpsbt", "\"[{\\\"txid\\\":\\\"myid\\\",\\\"vout\\\":0}]\" \"[{\\\"data\\\":\\\"00010203\\\"}]\"")
                },
        [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
{

    std::optional<bool> rbf;
    if (!request.params[3].isNull()) {
        rbf = request.params[3].get_bool();
    }
    CMutableTransaction rawTx = ConstructTransaction(request.params[0], request.params[1], request.params[2], rbf);

    // Make a blank psbt
    PartiallySignedTransaction psbtx;
    psbtx.tx = rawTx;
    for (unsigned int i = 0; i < rawTx.vin.size(); ++i) {
        psbtx.inputs.emplace_back();
    }
    for (unsigned int i = 0; i < rawTx.vout.size(); ++i) {
        psbtx.outputs.emplace_back();
    }

    // Serialize the PSBT
    DataStream ssTx{};
    ssTx << psbtx;

    return EncodeBase64(ssTx);
},
    };
}

static RPCHelpMan converttopsbt()
{
    return RPCHelpMan{"converttopsbt",
                "\nConverts a network serialized transaction to a PSBT. This should be used only with createrawtransaction and fundrawtransaction\n"
                "createpsbt and walletcreatefundedpsbt should be used for new applications.\n",
                {
                    {"hexstring", RPCArg::Type::STR_HEX, RPCArg::Optional::NO, "The hex string of a raw transaction"},
                    {"permitsigdata", RPCArg::Type::BOOL, RPCArg::Default{false}, "If true, any signatures in the input will be discarded and conversion\n"
                            "                              will continue. If false, RPC will fail if any signatures are present."},
                    {"iswitness", RPCArg::Type::BOOL, RPCArg::DefaultHint{"depends on heuristic tests"}, "Whether the transaction hex is a serialized witness transaction.\n"
                        "If iswitness is not present, heuristic tests will be used in decoding.\n"
                        "If true, only witness deserialization will be tried.\n"
                        "If false, only non-witness deserialization will be tried.\n"
                        "This boolean should reflect whether the transaction has inputs\n"
                        "(e.g. fully valid, or on-chain transactions), if known by the caller."
                    },
                },
                RPCResult{
                    RPCResult::Type::STR, "", "The resulting raw transaction (base64-encoded string)"
                },
                RPCExamples{
                            "\nCreate a transaction\n"
                            + HelpExampleCli("createrawtransaction", "\"[{\\\"txid\\\":\\\"myid\\\",\\\"vout\\\":0}]\" \"[{\\\"data\\\":\\\"00010203\\\"}]\"") +
                            "\nConvert the transaction to a PSBT\n"
                            + HelpExampleCli("converttopsbt", "\"rawtransaction\"")
                },
        [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
{
    // parse hex string from parameter
    CMutableTransaction tx;
    bool permitsigdata = request.params[1].isNull() ? false : request.params[1].get_bool();
    bool witness_specified = !request.params[2].isNull();
    bool iswitness = witness_specified ? request.params[2].get_bool() : false;
    const bool try_witness = witness_specified ? iswitness : true;
    const bool try_no_witness = witness_specified ? !iswitness : true;
    if (!DecodeHexTx(tx, request.params[0].get_str(), try_no_witness, try_witness)) {
        throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "TX decode failed");
    }

    // Remove all scriptSigs and scriptWitnesses from inputs
    for (CTxIn& input : tx.vin) {
        if ((!input.scriptSig.empty() || !input.scriptWitness.IsNull()) && !permitsigdata) {
            throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "Inputs must not have scriptSigs and scriptWitnesses");
        }
        input.scriptSig.clear();
        input.scriptWitness.SetNull();
    }

    // Make a blank psbt
    PartiallySignedTransaction psbtx;
    psbtx.tx = tx;
    for (unsigned int i = 0; i < tx.vin.size(); ++i) {
        psbtx.inputs.emplace_back();
    }
    for (unsigned int i = 0; i < tx.vout.size(); ++i) {
        psbtx.outputs.emplace_back();
    }

    // Serialize the PSBT
    DataStream ssTx{};
    ssTx << psbtx;

    return EncodeBase64(ssTx);
},
    };
}

static RPCHelpMan utxoupdatepsbt()
{
    return RPCHelpMan{"utxoupdatepsbt",
            "\nUpdates all segwit inputs and outputs in a PSBT with data from output descriptors, the UTXO set, txindex, or the mempool.\n",
            {
                {"psbt", RPCArg::Type::STR, RPCArg::Optional::NO, "A base64 string of a PSBT"},
                {"descriptors", RPCArg::Type::ARR, RPCArg::Optional::OMITTED, "An array of either strings or objects", {
                    {"", RPCArg::Type::STR, RPCArg::Optional::OMITTED, "An output descriptor"},
                    {"", RPCArg::Type::OBJ, RPCArg::Optional::OMITTED, "An object with an output descriptor and extra information", {
                         {"desc", RPCArg::Type::STR, RPCArg::Optional::NO, "An output descriptor"},
                         {"range", RPCArg::Type::RANGE, RPCArg::Default{1000}, "Up to what index HD chains should be explored (either end or [begin,end])"},
                    }},
                }},
            },
            RPCResult {
                    RPCResult::Type::STR, "", "The base64-encoded partially signed transaction with inputs updated"
            },
            RPCExamples {
                HelpExampleCli("utxoupdatepsbt", "\"psbt\"")
            },
        [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
{
    // Parse descriptors, if any.
    FlatSigningProvider provider;
    if (!request.params[1].isNull()) {
        auto descs = request.params[1].get_array();
        for (size_t i = 0; i < descs.size(); ++i) {
            EvalDescriptorStringOrObject(descs[i], provider);
        }
    }

    // We don't actually need private keys further on; hide them as a precaution.
    const PartiallySignedTransaction& psbtx = ProcessPSBT(
        request.params[0].get_str(),
        request.context,
        HidingSigningProvider(&provider, /*hide_secret=*/true, /*hide_origin=*/false),
        /*sighash_type=*/SIGHASH_ALL,
        /*finalize=*/false);

    DataStream ssTx{};
    ssTx << psbtx;
    return EncodeBase64(ssTx);
},
    };
}

static RPCHelpMan joinpsbts()
{
    return RPCHelpMan{"joinpsbts",
            "\nJoins multiple distinct PSBTs with different inputs and outputs into one PSBT with inputs and outputs from all of the PSBTs\n"
            "No input in any of the PSBTs can be in more than one of the PSBTs.\n",
            {
                {"txs", RPCArg::Type::ARR, RPCArg::Optional::NO, "The base64 strings of partially signed transactions",
                    {
                        {"psbt", RPCArg::Type::STR, RPCArg::Optional::NO, "A base64 string of a PSBT"}
                    }}
            },
            RPCResult {
                    RPCResult::Type::STR, "", "The base64-encoded partially signed transaction"
            },
            RPCExamples {
                HelpExampleCli("joinpsbts", "\"psbt\"")
            },
        [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
{
    // Unserialize the transactions
    std::vector<PartiallySignedTransaction> psbtxs;
    UniValue txs = request.params[0].get_array();

    if (txs.size() <= 1) {
        throw JSONRPCError(RPC_INVALID_PARAMETER, "At least two PSBTs are required to join PSBTs.");
    }

    uint32_t best_version = 1;
    uint32_t best_locktime = 0xffffffff;
    for (unsigned int i = 0; i < txs.size(); ++i) {
        PartiallySignedTransaction psbtx;
        std::string error;
        if (!DecodeBase64PSBT(psbtx, txs[i].get_str(), error)) {
            throw JSONRPCError(RPC_DESERIALIZATION_ERROR, strprintf("TX decode failed %s", error));
        }
        psbtxs.push_back(psbtx);
        // Choose the highest version number
        if (psbtx.tx->version > best_version) {
            best_version = psbtx.tx->version;
        }
        // Choose the lowest lock time
        if (psbtx.tx->nLockTime < best_locktime) {
            best_locktime = psbtx.tx->nLockTime;
        }
    }

    // Create a blank psbt where everything will be added
    PartiallySignedTransaction merged_psbt;
    merged_psbt.tx = CMutableTransaction();
    merged_psbt.tx->version = best_version;
    merged_psbt.tx->nLockTime = best_locktime;

    // Merge
    for (auto& psbt : psbtxs) {
        for (unsigned int i = 0; i < psbt.tx->vin.size(); ++i) {
            if (!merged_psbt.AddInput(psbt.tx->vin[i], psbt.inputs[i])) {
                throw JSONRPCError(RPC_INVALID_PARAMETER, strprintf("Input %s:%d exists in multiple PSBTs", psbt.tx->vin[i].prevout.hash.ToString(), psbt.tx->vin[i].prevout.n));
            }
        }
        for (unsigned int i = 0; i < psbt.tx->vout.size(); ++i) {
            merged_psbt.AddOutput(psbt.tx->vout[i], psbt.outputs[i]);
        }
        for (auto& xpub_pair : psbt.m_xpubs) {
            if (merged_psbt.m_xpubs.count(xpub_pair.first) == 0) {
                merged_psbt.m_xpubs[xpub_pair.first] = xpub_pair.second;
            } else {
                merged_psbt.m_xpubs[xpub_pair.first].insert(xpub_pair.second.begin(), xpub_pair.second.end());
            }
        }
        merged_psbt.unknown.insert(psbt.unknown.begin(), psbt.unknown.end());
    }

    // Generate list of shuffled indices for shuffling inputs and outputs of the merged PSBT
    std::vector<int> input_indices(merged_psbt.inputs.size());
    std::iota(input_indices.begin(), input_indices.end(), 0);
    std::vector<int> output_indices(merged_psbt.outputs.size());
    std::iota(output_indices.begin(), output_indices.end(), 0);

    // Shuffle input and output indices lists
    std::shuffle(input_indices.begin(), input_indices.end(), FastRandomContext());
    std::shuffle(output_indices.begin(), output_indices.end(), FastRandomContext());

    PartiallySignedTransaction shuffled_psbt;
    shuffled_psbt.tx = CMutableTransaction();
    shuffled_psbt.tx->version = merged_psbt.tx->version;
    shuffled_psbt.tx->nLockTime = merged_psbt.tx->nLockTime;
    for (int i : input_indices) {
        shuffled_psbt.AddInput(merged_psbt.tx->vin[i], merged_psbt.inputs[i]);
    }
    for (int i : output_indices) {
        shuffled_psbt.AddOutput(merged_psbt.tx->vout[i], merged_psbt.outputs[i]);
    }
    shuffled_psbt.unknown.insert(merged_psbt.unknown.begin(), merged_psbt.unknown.end());

    DataStream ssTx{};
    ssTx << shuffled_psbt;
    return EncodeBase64(ssTx);
},
    };
}

static RPCHelpMan analyzepsbt()
{
    return RPCHelpMan{"analyzepsbt",
            "\nAnalyzes and provides information about the current status of a PSBT and its inputs\n",
            {
                {"psbt", RPCArg::Type::STR, RPCArg::Optional::NO, "A base64 string of a PSBT"}
            },
            RPCResult {
                RPCResult::Type::OBJ, "", "",
                {
                    {RPCResult::Type::ARR, "inputs", /*optional=*/true, "",
                    {
                        {RPCResult::Type::OBJ, "", "",
                        {
                            {RPCResult::Type::BOOL, "has_utxo", "Whether a UTXO is provided"},
                            {RPCResult::Type::BOOL, "is_final", "Whether the input is finalized"},
                            {RPCResult::Type::OBJ, "missing", /*optional=*/true, "Things that are missing that are required to complete this input",
                            {
                                {RPCResult::Type::ARR, "pubkeys", /*optional=*/true, "",
                                {
                                    {RPCResult::Type::STR_HEX, "keyid", "Public key ID, hash160 of the public key, of a public key whose BIP 32 derivation path is missing"},
                                }},
                                {RPCResult::Type::ARR, "signatures", /*optional=*/true, "",
                                {
                                    {RPCResult::Type::STR_HEX, "keyid", "Public key ID, hash160 of the public key, of a public key whose signature is missing"},
                                }},
                                {RPCResult::Type::STR_HEX, "redeemscript", /*optional=*/true, "Hash160 of the redeem script that is missing"},
                                {RPCResult::Type::STR_HEX, "witnessscript", /*optional=*/true, "SHA256 of the witness script that is missing"},
                            }},
                            {RPCResult::Type::STR, "next", /*optional=*/true, "Role of the next person that this input needs to go to"},
                        }},
                    }},
                    {RPCResult::Type::NUM, "estimated_vsize", /*optional=*/true, "Estimated vsize of the final signed transaction"},
                    {RPCResult::Type::STR_AMOUNT, "estimated_feerate", /*optional=*/true, "Estimated feerate of the final signed transaction in " + CURRENCY_UNIT + "/kvB. Shown only if all UTXO slots in the PSBT have been filled"},
                    {RPCResult::Type::STR_AMOUNT, "fee", /*optional=*/true, "The transaction fee paid. Shown only if all UTXO slots in the PSBT have been filled"},
                    {RPCResult::Type::STR, "next", "Role of the next person that this psbt needs to go to"},
                    {RPCResult::Type::STR, "error", /*optional=*/true, "Error message (if there is one)"},
                }
            },
            RPCExamples {
                HelpExampleCli("analyzepsbt", "\"psbt\"")
            },
        [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
{
    // Unserialize the transaction
    PartiallySignedTransaction psbtx;
    std::string error;
    if (!DecodeBase64PSBT(psbtx, request.params[0].get_str(), error)) {
        throw JSONRPCError(RPC_DESERIALIZATION_ERROR, strprintf("TX decode failed %s", error));
    }

    PSBTAnalysis psbta = AnalyzePSBT(psbtx);

    UniValue result(UniValue::VOBJ);
    UniValue inputs_result(UniValue::VARR);
    for (const auto& input : psbta.inputs) {
        UniValue input_univ(UniValue::VOBJ);
        UniValue missing(UniValue::VOBJ);

        input_univ.pushKV("has_utxo", input.has_utxo);
        input_univ.pushKV("is_final", input.is_final);
        input_univ.pushKV("next", PSBTRoleName(input.next));

        if (!input.missing_pubkeys.empty()) {
            UniValue missing_pubkeys_univ(UniValue::VARR);
            for (const CKeyID& pubkey : input.missing_pubkeys) {
                missing_pubkeys_univ.push_back(HexStr(pubkey));
            }
            missing.pushKV("pubkeys", std::move(missing_pubkeys_univ));
        }
        if (!input.missing_redeem_script.IsNull()) {
            missing.pushKV("redeemscript", HexStr(input.missing_redeem_script));
        }
        if (!input.missing_witness_script.IsNull()) {
            missing.pushKV("witnessscript", HexStr(input.missing_witness_script));
        }
        if (!input.missing_sigs.empty()) {
            UniValue missing_sigs_univ(UniValue::VARR);
            for (const CKeyID& pubkey : input.missing_sigs) {
                missing_sigs_univ.push_back(HexStr(pubkey));
            }
            missing.pushKV("signatures", std::move(missing_sigs_univ));
        }
        if (!missing.getKeys().empty()) {
            input_univ.pushKV("missing", std::move(missing));
        }
        inputs_result.push_back(std::move(input_univ));
    }
    if (!inputs_result.empty()) result.pushKV("inputs", std::move(inputs_result));

    if (psbta.estimated_vsize != std::nullopt) {
        result.pushKV("estimated_vsize", (int)*psbta.estimated_vsize);
    }
    if (psbta.estimated_feerate != std::nullopt) {
        result.pushKV("estimated_feerate", ValueFromAmount(psbta.estimated_feerate->GetFeePerK()));
    }
    if (psbta.fee != std::nullopt) {
        result.pushKV("fee", ValueFromAmount(*psbta.fee));
    }
    result.pushKV("next", PSBTRoleName(psbta.next));
    if (!psbta.error.empty()) {
        result.pushKV("error", psbta.error);
    }

    return result;
},
    };
}

RPCHelpMan descriptorprocesspsbt()
{
    return RPCHelpMan{"descriptorprocesspsbt",
                "\nUpdate all segwit inputs in a PSBT with information from output descriptors, the UTXO set or the mempool. \n"
                "Then, sign the inputs we are able to with information from the output descriptors. ",
                {
                    {"psbt", RPCArg::Type::STR, RPCArg::Optional::NO, "The transaction base64 string"},
                    {"descriptors", RPCArg::Type::ARR, RPCArg::Optional::NO, "An array of either strings or objects", {
                        {"", RPCArg::Type::STR, RPCArg::Optional::OMITTED, "An output descriptor"},
                        {"", RPCArg::Type::OBJ, RPCArg::Optional::OMITTED, "An object with an output descriptor and extra information", {
                             {"desc", RPCArg::Type::STR, RPCArg::Optional::NO, "An output descriptor"},
                             {"range", RPCArg::Type::RANGE, RPCArg::Default{1000}, "Up to what index HD chains should be explored (either end or [begin,end])"},
                        }},
                    }},
                    {"sighashtype", RPCArg::Type::STR, RPCArg::Default{"DEFAULT for Taproot, ALL otherwise"}, "The signature hash type to sign with if not specified by the PSBT. Must be one of\n"
            "       \"DEFAULT\"\n"
            "       \"ALL\"\n"
            "       \"NONE\"\n"
            "       \"SINGLE\"\n"
            "       \"ALL|ANYONECANPAY\"\n"
            "       \"NONE|ANYONECANPAY\"\n"
            "       \"SINGLE|ANYONECANPAY\""},
                    {"bip32derivs", RPCArg::Type::BOOL, RPCArg::Default{true}, "Include BIP 32 derivation paths for public keys if we know them"},
                    {"finalize", RPCArg::Type::BOOL, RPCArg::Default{true}, "Also finalize inputs if possible"},
                },
                RPCResult{
                    RPCResult::Type::OBJ, "", "",
                    {
                        {RPCResult::Type::STR, "psbt", "The base64-encoded partially signed transaction"},
                        {RPCResult::Type::BOOL, "complete", "If the transaction has a complete set of signatures"},
                        {RPCResult::Type::STR_HEX, "hex", /*optional=*/true, "The hex-encoded network transaction if complete"},
                    }
                },
                RPCExamples{
                    HelpExampleCli("descriptorprocesspsbt", "\"psbt\" \"[\\\"descriptor1\\\", \\\"descriptor2\\\"]\"") +
                    HelpExampleCli("descriptorprocesspsbt", "\"psbt\" \"[{\\\"desc\\\":\\\"mydescriptor\\\", \\\"range\\\":21}]\"")
                },
        [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
{
    // Add descriptor information to a signing provider
    FlatSigningProvider provider;

    auto descs = request.params[1].get_array();
    for (size_t i = 0; i < descs.size(); ++i) {
        EvalDescriptorStringOrObject(descs[i], provider, /*expand_priv=*/true);
    }

    int sighash_type = ParseSighashString(request.params[2]);
    bool bip32derivs = request.params[3].isNull() ? true : request.params[3].get_bool();
    bool finalize = request.params[4].isNull() ? true : request.params[4].get_bool();

    const PartiallySignedTransaction& psbtx = ProcessPSBT(
        request.params[0].get_str(),
        request.context,
        HidingSigningProvider(&provider, /*hide_secret=*/false, !bip32derivs),
        sighash_type,
        finalize);

    // Check whether or not all of the inputs are now signed
    bool complete = true;
    for (const auto& input : psbtx.inputs) {
        complete &= PSBTInputSigned(input);
    }

    DataStream ssTx{};
    ssTx << psbtx;

    UniValue result(UniValue::VOBJ);

    result.pushKV("psbt", EncodeBase64(ssTx));
    result.pushKV("complete", complete);
    if (complete) {
        CMutableTransaction mtx;
        PartiallySignedTransaction psbtx_copy = psbtx;
        CHECK_NONFATAL(FinalizeAndExtractPSBT(psbtx_copy, mtx));
        DataStream ssTx_final;
        ssTx_final << TX_WITH_WITNESS(mtx);
        result.pushKV("hex", HexStr(ssTx_final));
    }
    return result;
},
    };
}

void RegisterRawTransactionRPCCommands(CRPCTable& t)
{
    static const CRPCCommand commands[]{
        {"rawtransactions", &getrawtransaction},
        {"rawtransactions", &createrawtransaction},
        {"rawtransactions", &decoderawtransaction},
        {"rawtransactions", &decodescript},
        {"rawtransactions", &combinerawtransaction},
        {"rawtransactions", &signrawtransactionwithkey},
        {"rawtransactions", &decodepsbt},
        {"rawtransactions", &combinepsbt},
        {"rawtransactions", &finalizepsbt},
        {"rawtransactions", &createpsbt},
        {"rawtransactions", &converttopsbt},
        {"rawtransactions", &utxoupdatepsbt},
        {"rawtransactions", &descriptorprocesspsbt},
        {"rawtransactions", &joinpsbts},
        {"rawtransactions", &analyzepsbt},
    };
    for (const auto& c : commands) {
        t.appendCommand(c.name, &c);
    }
}