forked from dashpay/dash
-
Notifications
You must be signed in to change notification settings - Fork 0
/
rpcdump.cpp
2016 lines (1771 loc) · 91 KB
/
rpcdump.cpp
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
// Copyright (c) 2009-2020 The Bitcoin Core developers
// Copyright (c) 2014-2024 The Dash Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include <chain.h>
#include <clientversion.h>
#include <core_io.h>
#include <fs.h>
#include <interfaces/chain.h>
#include <key_io.h>
#include <merkleblock.h>
#include <rpc/server.h>
#include <rpc/util.h>
#include <script/descriptor.h>
#include <script/script.h>
#include <script/standard.h>
#include <sync.h>
#include <util/bip32.h>
#include <util/system.h>
#include <util/time.h>
#include <util/translation.h>
#include <validation.h>
#include <wallet/wallet.h>
#include <wallet/rpcwallet.h>
#include <cstdint>
#include <fstream>
#include <tuple>
#include <string>
#include <univalue.h>
using interfaces::FoundBlock;
std::string static EncodeDumpString(const std::string &str) {
std::stringstream ret;
for (const unsigned char c : str) {
if (c <= 32 || c >= 128 || c == '%') {
ret << '%' << HexStr({&c, 1});
} else {
ret << c;
}
}
return ret.str();
}
static std::string DecodeDumpString(const std::string &str) {
std::stringstream ret;
for (unsigned int pos = 0; pos < str.length(); pos++) {
unsigned char c = str[pos];
if (c == '%' && pos+2 < str.length()) {
c = (((str[pos+1]>>6)*9+((str[pos+1]-'0')&15)) << 4) |
((str[pos+2]>>6)*9+((str[pos+2]-'0')&15));
pos += 2;
}
ret << c;
}
return ret.str();
}
static const int64_t TIMESTAMP_MIN = 0;
static void RescanWallet(CWallet& wallet, const WalletRescanReserver& reserver, int64_t time_begin = TIMESTAMP_MIN, bool update = true)
{
int64_t scanned_time = wallet.RescanFromTime(time_begin, reserver, update);
if (wallet.IsAbortingRescan()) {
throw JSONRPCError(RPC_MISC_ERROR, "Rescan aborted by user.");
} else if (scanned_time > time_begin) {
throw JSONRPCError(RPC_WALLET_ERROR, "Rescan was unable to fully rescan the blockchain. Some transactions may be missing.");
}
}
RPCHelpMan importprivkey()
{
return RPCHelpMan{"importprivkey",
"\nAdds a private key (as returned by dumpprivkey) to your wallet. Requires a new wallet backup.\n"
"Hint: use importmulti to import more than one private key.\n"
"\nNote: This call can take over an hour to complete if rescan is true, during that time, other rpc calls\n"
"may report that the imported key exists but related transactions are still missing, leading to temporarily incorrect/bogus balances and unspent outputs until rescan completes.\n",
{
{"privkey", RPCArg::Type::STR, RPCArg::Optional::NO, "The private key (see dumpprivkey)"},
{"label", RPCArg::Type::STR, /* default */ "current label if address exists, otherwise \"\"", "An optional label"},
{"rescan", RPCArg::Type::BOOL, /* default */ "true", "Rescan the wallet for transactions"},
},
RPCResult{RPCResult::Type::NONE, "", ""},
RPCExamples{
"\nDump a private key\n"
+ HelpExampleCli("dumpprivkey", "\"myaddress\"") +
"\nImport the private key with rescan\n"
+ HelpExampleCli("importprivkey", "\"mykey\"") +
"\nImport using a label and without rescan\n"
+ HelpExampleCli("importprivkey", "\"mykey\" \"testing\" false") +
"\nImport using default blank label and without rescan\n"
+ HelpExampleCli("importprivkey", "\"mykey\" \"\" false") +
"\nAs a JSON-RPC call\n"
+ HelpExampleRpc("importprivkey", "\"mykey\", \"testing\", false")
},
[&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
{
std::shared_ptr<CWallet> const pwallet = GetWalletForJSONRPCRequest(request);
if (!pwallet) return NullUniValue;
if (pwallet->IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS)) {
throw JSONRPCError(RPC_WALLET_ERROR, "Cannot import private keys to a wallet with private keys disabled");
}
EnsureLegacyScriptPubKeyMan(*pwallet, true);
WalletBatch batch(pwallet->GetDatabase());
WalletRescanReserver reserver(*pwallet);
bool fRescan = true;
{
LOCK(pwallet->cs_wallet);
EnsureWalletIsUnlocked(*pwallet);
std::string strSecret = request.params[0].get_str();
std::string strLabel = "";
if (!request.params[1].isNull())
strLabel = request.params[1].get_str();
// Whether to perform rescan after import
if (!request.params[2].isNull())
fRescan = request.params[2].get_bool();
if (fRescan && pwallet->chain().havePruned()) {
// Exit early and print an error.
// If a block is pruned after this check, we will import the key(s),
// but fail the rescan with a generic error.
throw JSONRPCError(RPC_WALLET_ERROR, "Rescan is disabled when blocks are pruned");
}
if (fRescan && !reserver.reserve()) {
throw JSONRPCError(RPC_WALLET_ERROR, "Wallet is currently rescanning. Abort existing rescan or wait.");
}
CKey key = DecodeSecret(strSecret);
if (!key.IsValid()) throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid private key encoding");
CPubKey pubkey = key.GetPubKey();
CHECK_NONFATAL(key.VerifyPubKey(pubkey));
PKHash vchAddress = PKHash(pubkey);
{
pwallet->MarkDirty();
if (!request.params[1].isNull() || !pwallet->FindAddressBookEntry(vchAddress)) {
pwallet->SetAddressBook(vchAddress, strLabel, "receive");
}
// Use timestamp of 1 to scan the whole chain
if (!pwallet->ImportPrivKeys({{ToKeyID(vchAddress), key}}, 1)) {
throw JSONRPCError(RPC_WALLET_ERROR, "Error adding key to wallet");
}
}
}
if (fRescan) {
RescanWallet(*pwallet, reserver);
}
return NullUniValue;
},
};
}
RPCHelpMan abortrescan()
{
return RPCHelpMan{"abortrescan",
"\nStops current wallet rescan triggered by an RPC call, e.g. by an importprivkey call.\n",
{},
RPCResult{RPCResult::Type::BOOL, "", "Whether the abort was successful"},
RPCExamples{
"\nImport a private key\n"
+ HelpExampleCli("importprivkey", "\"mykey\"") +
"\nAbort the running wallet rescan\n"
+ HelpExampleCli("abortrescan", "") +
"\nAs a JSON-RPC call\n"
+ HelpExampleRpc("abortrescan", "")
},
[&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
{
std::shared_ptr<CWallet> const pwallet = GetWalletForJSONRPCRequest(request);
if (!pwallet) return NullUniValue;
if (!pwallet->IsScanning() || pwallet->IsAbortingRescan()) return false;
pwallet->AbortRescan();
return true;
},
};
}
RPCHelpMan importaddress()
{
return RPCHelpMan{"importaddress",
"\nAdds an address or script (in hex) that can be watched as if it were in your wallet but cannot be used to spend. Requires a new wallet backup.\n"
"\nNote: This call can take over an hour to complete if rescan is true, during that time, other rpc calls\n"
"may report that the imported address exists but related transactions are still missing, leading to temporarily incorrect/bogus balances and unspent outputs until rescan completes.\n"
"If you have the full public key, you should call importpubkey instead of this.\n"
"Hint: use importmulti to import more than one address.\n"
"\nNote: If you import a non-standard raw script in hex form, outputs sending to it will be treated\n"
"as change, and not show up in many RPCs.\n",
{
{"address", RPCArg::Type::STR, RPCArg::Optional::NO, "The Dash address (or hex-encoded script)"},
{"label", RPCArg::Type::STR, /* default */ "\"\"", "An optional label"},
{"rescan", RPCArg::Type::BOOL, /* default */ "true", "Rescan the wallet for transactions"},
{"p2sh", RPCArg::Type::BOOL, /* default */ "false", "Add the P2SH version of the script as well"},
},
RPCResult{RPCResult::Type::NONE, "", ""},
RPCExamples{
"\nImport an address with rescan\n"
+ HelpExampleCli("importaddress", "\"myaddress\"") +
"\nImport using a label without rescan\n"
+ HelpExampleCli("importaddress", "\"myaddress\" \"testing\" false") +
"\nAs a JSON-RPC call\n"
+ HelpExampleRpc("importaddress", "\"myaddress\", \"testing\", false")
},
[&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
{
std::shared_ptr<CWallet> const pwallet = GetWalletForJSONRPCRequest(request);
if (!pwallet) return NullUniValue;
EnsureLegacyScriptPubKeyMan(*pwallet, true);
std::string strLabel;
if (!request.params[1].isNull())
strLabel = request.params[1].get_str();
// Whether to perform rescan after import
bool fRescan = true;
if (!request.params[2].isNull())
fRescan = request.params[2].get_bool();
if (fRescan && pwallet->chain().havePruned()) {
// Exit early and print an error.
// If a block is pruned after this check, we will import the key(s),
// but fail the rescan with a generic error.
throw JSONRPCError(RPC_WALLET_ERROR, "Rescan is disabled when blocks are pruned");
}
WalletRescanReserver reserver(*pwallet);
if (fRescan && !reserver.reserve()) {
throw JSONRPCError(RPC_WALLET_ERROR, "Wallet is currently rescanning. Abort existing rescan or wait.");
}
// Whether to import a p2sh version, too
bool fP2SH = false;
if (!request.params[3].isNull())
fP2SH = request.params[3].get_bool();
{
LOCK(pwallet->cs_wallet);
CTxDestination dest = DecodeDestination(request.params[0].get_str());
if (IsValidDestination(dest)) {
if (fP2SH) {
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Cannot use the p2sh flag with an address - use a script instead");
}
pwallet->MarkDirty();
pwallet->ImportScriptPubKeys(strLabel, {GetScriptForDestination(dest)}, false /* have_solving_data */, true /* apply_label */, 1 /* timestamp */);
} else if (IsHex(request.params[0].get_str())) {
std::vector<unsigned char> data(ParseHex(request.params[0].get_str()));
CScript redeem_script(data.begin(), data.end());
std::set<CScript> scripts = {redeem_script};
pwallet->ImportScripts(scripts, 0 /* timestamp */);
if (fP2SH) {
scripts.insert(GetScriptForDestination(ScriptHash(redeem_script)));
}
pwallet->ImportScriptPubKeys(strLabel, scripts, false /* have_solving_data */, true /* apply_label */, 1 /* timestamp */);
} else {
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid Dash address or script");
}
}
if (fRescan)
{
RescanWallet(*pwallet, reserver);
{
LOCK(pwallet->cs_wallet);
pwallet->ReacceptWalletTransactions();
}
}
return NullUniValue;
},
};
}
RPCHelpMan importprunedfunds()
{
return RPCHelpMan{"importprunedfunds",
"\nImports funds without rescan. Corresponding address or script must previously be included in wallet. Aimed towards pruned wallets. The end-user is responsible to import additional transactions that subsequently spend the imported outputs or rescan after the point in the blockchain the transaction is included.\n",
{
{"rawtransaction", RPCArg::Type::STR_HEX, RPCArg::Optional::NO, "A raw transaction in hex funding an already-existing address in wallet"},
{"txoutproof", RPCArg::Type::STR_HEX, RPCArg::Optional::NO, "The hex output from gettxoutproof that contains the transaction"},
},
RPCResult{RPCResult::Type::NONE, "", ""},
RPCExamples{""},
[&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
{
std::shared_ptr<CWallet> const pwallet = GetWalletForJSONRPCRequest(request);
if (!pwallet) return NullUniValue;
CMutableTransaction tx;
if (!DecodeHexTx(tx, request.params[0].get_str())) {
throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "TX decode failed. Make sure the tx has at least one input.");
}
uint256 hashTx = tx.GetHash();
CDataStream ssMB(ParseHexV(request.params[1], "proof"), SER_NETWORK, PROTOCOL_VERSION);
CMerkleBlock merkleBlock;
ssMB >> merkleBlock;
//Search partial merkle tree in proof for our transaction and index in valid block
std::vector<uint256> vMatch;
std::vector<unsigned int> vIndex;
if (merkleBlock.txn.ExtractMatches(vMatch, vIndex) != merkleBlock.header.hashMerkleRoot) {
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Something wrong with merkleblock");
}
LOCK(pwallet->cs_wallet);
int height;
if (!pwallet->chain().findAncestorByHash(pwallet->GetLastBlockHash(), merkleBlock.header.GetHash(), FoundBlock().height(height))) {
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Block not found in chain");
}
std::vector<uint256>::const_iterator it;
if ((it = std::find(vMatch.begin(), vMatch.end(), hashTx)) == vMatch.end()) {
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Transaction given doesn't exist in proof");
}
unsigned int txnIndex = vIndex[it - vMatch.begin()];
CWalletTx::Confirmation confirm(CWalletTx::Status::CONFIRMED, height, merkleBlock.header.GetHash(), txnIndex);
CTransactionRef tx_ref = MakeTransactionRef(tx);
if (pwallet->IsMine(*tx_ref)) {
pwallet->AddToWallet(std::move(tx_ref), confirm);
return NullUniValue;
}
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "No addresses in wallet correspond to included transaction");
},
};
}
RPCHelpMan removeprunedfunds()
{
return RPCHelpMan{"removeprunedfunds",
"\nDeletes the specified transaction from the wallet. Meant for use with pruned wallets and as a companion to importprunedfunds. This will affect wallet balances.\n",
{
{"txid", RPCArg::Type::STR_HEX, RPCArg::Optional::NO, "The hex-encoded id of the transaction you are deleting"},
},
RPCResult{RPCResult::Type::NONE, "", ""},
RPCExamples{
HelpExampleCli("removeprunedfunds", "\"a8d0c0184dde994a09ec054286f1ce581bebf46446a512166eae7628734ea0a5\"") +
"\nAs a JSON-RPC call\n"
+ HelpExampleRpc("removeprunedfunds", "\"a8d0c0184dde994a09ec054286f1ce581bebf46446a512166eae7628734ea0a5\"")
},
[&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
{
std::shared_ptr<CWallet> const pwallet = GetWalletForJSONRPCRequest(request);
if (!pwallet) return NullUniValue;
LOCK(pwallet->cs_wallet);
uint256 hash(ParseHashV(request.params[0], "txid"));
std::vector<uint256> vHash;
vHash.push_back(hash);
std::vector<uint256> vHashOut;
if (pwallet->ZapSelectTx(vHash, vHashOut) != DBErrors::LOAD_OK) {
throw JSONRPCError(RPC_WALLET_ERROR, "Could not properly delete the transaction.");
}
if(vHashOut.empty()) {
throw JSONRPCError(RPC_INVALID_PARAMETER, "Transaction does not exist in wallet.");
}
return NullUniValue;
},
};
}
RPCHelpMan importpubkey()
{
return RPCHelpMan{"importpubkey",
"\nAdds a public key (in hex) that can be watched as if it were in your wallet but cannot be used to spend. Requires a new wallet backup.\n"
"Hint: use importmulti to import more than one public key.\n"
"\nNote: This call can take over an hour to complete if rescan is true, during that time, other rpc calls\n"
"may report that the imported pubkey exists but related transactions are still missing, leading to temporarily incorrect/bogus balances and unspent outputs until rescan completes.\n",
{
{"pubkey", RPCArg::Type::STR, RPCArg::Optional::NO, "The hex-encoded public key"},
{"label", RPCArg::Type::STR, /* default */ "\"\"", "An optional label"},
{"rescan", RPCArg::Type::BOOL, /* default */ "true", "Rescan the wallet for transactions"},
},
RPCResult{RPCResult::Type::NONE, "", ""},
RPCExamples{
"\nImport a public key with rescan\n"
+ HelpExampleCli("importpubkey", "\"mypubkey\"") +
"\nImport using a label without rescan\n"
+ HelpExampleCli("importpubkey", "\"mypubkey\" \"testing\" false") +
"\nAs a JSON-RPC call\n"
+ HelpExampleRpc("importpubkey", "\"mypubkey\", \"testing\", false")
},
[&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
{
std::shared_ptr<CWallet> const pwallet = GetWalletForJSONRPCRequest(request);
if (!pwallet) return NullUniValue;
EnsureLegacyScriptPubKeyMan(*pwallet, true);
std::string strLabel;
if (!request.params[1].isNull())
strLabel = request.params[1].get_str();
// Whether to perform rescan after import
bool fRescan = true;
if (!request.params[2].isNull())
fRescan = request.params[2].get_bool();
if (fRescan && pwallet->chain().havePruned()) {
// Exit early and print an error.
// If a block is pruned after this check, we will import the key(s),
// but fail the rescan with a generic error.
throw JSONRPCError(RPC_WALLET_ERROR, "Rescan is disabled when blocks are pruned");
}
WalletRescanReserver reserver(*pwallet);
if (fRescan && !reserver.reserve()) {
throw JSONRPCError(RPC_WALLET_ERROR, "Wallet is currently rescanning. Abort existing rescan or wait.");
}
if (!IsHex(request.params[0].get_str()))
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Pubkey must be a hex string");
std::vector<unsigned char> data(ParseHex(request.params[0].get_str()));
CPubKey pubKey(data);
if (!pubKey.IsFullyValid())
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Pubkey is not a valid public key");
{
LOCK(pwallet->cs_wallet);
std::set<CScript> script_pub_keys;
script_pub_keys.insert(GetScriptForDestination(PKHash(pubKey)));
pwallet->MarkDirty();
pwallet->ImportScriptPubKeys(strLabel, script_pub_keys, true /* have_solving_data */, true /* apply_label */, 1 /* timestamp */);
pwallet->ImportPubKeys({pubKey.GetID()}, {{pubKey.GetID(), pubKey}} , {} /* key_origins */, false /* add_keypool */, false /* internal */, 1 /* timestamp */);
}
if (fRescan)
{
RescanWallet(*pwallet, reserver);
{
LOCK(pwallet->cs_wallet);
pwallet->ReacceptWalletTransactions();
}
}
return NullUniValue;
},
};
}
RPCHelpMan importwallet()
{
return RPCHelpMan{"importwallet",
"\nImports keys from a wallet dump file (see dumpwallet). Requires a new wallet backup to include imported keys.\n"
"Note: Use \"getwalletinfo\" to query the scanning progress.\n",
{
{"filename", RPCArg::Type::STR, RPCArg::Optional::NO, "The wallet file"},
},
RPCResult{RPCResult::Type::NONE, "", ""},
RPCExamples{
"\nDump the wallet\n"
+ HelpExampleCli("dumpwallet", "\"test\"") +
"\nImport the wallet\n"
+ HelpExampleCli("importwallet", "\"test\"") +
"\nImport using the json rpc call\n"
+ HelpExampleRpc("importwallet", "\"test\"")
},
[&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
{
std::shared_ptr<CWallet> const pwallet = GetWalletForJSONRPCRequest(request);
if (!pwallet) return NullUniValue;
EnsureLegacyScriptPubKeyMan(*pwallet, true);
if (pwallet->chain().havePruned()) {
// Exit early and print an error.
// If a block is pruned after this check, we will import the key(s),
// but fail the rescan with a generic error.
throw JSONRPCError(RPC_WALLET_ERROR, "Importing wallets is disabled when blocks are pruned");
}
WalletBatch batch(pwallet->GetDatabase());
WalletRescanReserver reserver(*pwallet);
if (!reserver.reserve()) {
throw JSONRPCError(RPC_WALLET_ERROR, "Wallet is currently rescanning. Abort existing rescan or wait.");
}
int64_t nTimeBegin = 0;
bool fGood = true;
{
LOCK(pwallet->cs_wallet);
EnsureWalletIsUnlocked(*pwallet);
std::ifstream file;
file.open(fs::u8path(request.params[0].get_str()), std::ios::in | std::ios::ate);
if (!file.is_open()) {
throw JSONRPCError(RPC_INVALID_PARAMETER, "Cannot open wallet dump file");
}
CHECK_NONFATAL(pwallet->chain().findBlock(pwallet->GetLastBlockHash(), FoundBlock().time(nTimeBegin)));
int64_t nFilesize = std::max((int64_t)1, (int64_t)file.tellg());
file.seekg(0, file.beg);
// Use uiInterface.ShowProgress instead of pwallet.ShowProgress because pwallet.ShowProgress has a cancel button tied to AbortRescan which
// we don't want for this progress bar showing the import progress. uiInterface.ShowProgress does not have a cancel button.
pwallet->chain().showProgress(strprintf("%s " + _("Importing…").translated, pwallet->GetDisplayName()), 0, false); // show progress dialog in GUI
std::vector<std::tuple<CKey, int64_t, bool, std::string>> keys;
std::vector<std::pair<CScript, int64_t>> scripts;
while (file.good()) {
pwallet->chain().showProgress("", std::max(1, std::min(50, (int)(((double)file.tellg() / (double)nFilesize) * 100))), false);
std::string line;
std::getline(file, line);
if (line.empty() || line[0] == '#')
continue;
std::vector<std::string> vstr = SplitString(line, ' ');
if (vstr.size() < 2)
continue;
CKey key = DecodeSecret(vstr[0]);
if (key.IsValid()) {
int64_t nTime = ParseISO8601DateTime(vstr[1]);
std::string strLabel;
bool fLabel = true;
for (unsigned int nStr = 2; nStr < vstr.size(); nStr++) {
if (vstr[nStr].front() == '#')
break;
if (vstr[nStr] == "change=1")
fLabel = false;
if (vstr[nStr] == "reserve=1")
fLabel = false;
if (vstr[nStr].substr(0,6) == "label=") {
strLabel = DecodeDumpString(vstr[nStr].substr(6));
fLabel = true;
}
}
keys.push_back(std::make_tuple(key, nTime, fLabel, strLabel));
} else if(IsHex(vstr[0])) {
std::vector<unsigned char> vData(ParseHex(vstr[0]));
CScript script = CScript(vData.begin(), vData.end());
int64_t birth_time = ParseISO8601DateTime(vstr[1]);
scripts.push_back(std::pair<CScript, int64_t>(script, birth_time));
}
}
file.close();
// We now know whether we are importing private keys, so we can error if private keys are disabled
if (keys.size() > 0 && pwallet->IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS)) {
pwallet->chain().showProgress("", 100, false); // hide progress dialog in GUI
throw JSONRPCError(RPC_WALLET_ERROR, "Importing wallets is disabled when private keys are disabled");
}
double total = (double)(keys.size() + scripts.size());
double progress = 0;
LegacyScriptPubKeyMan* spk_man = pwallet->GetLegacyScriptPubKeyMan();
if (spk_man == nullptr) {
if (total > 0) {
throw JSONRPCError(RPC_WALLET_ERROR, "This type of wallet does not support this command");
}
} else {
LOCK(spk_man->cs_KeyStore);
for (const auto& key_tuple : keys) {
pwallet->chain().showProgress("", std::max(50, std::min(75, (int)((progress / total) * 100) + 50)), false);
const CKey& key = std::get<0>(key_tuple);
int64_t time = std::get<1>(key_tuple);
bool has_label = std::get<2>(key_tuple);
std::string label = std::get<3>(key_tuple);
CPubKey pubkey = key.GetPubKey();
CHECK_NONFATAL(key.VerifyPubKey(pubkey));
PKHash pkhash = PKHash(pubkey);
CKeyID keyid = pubkey.GetID();
pwallet->WalletLogPrintf("Importing %s...\n", EncodeDestination(pkhash));
if (!pwallet->ImportPrivKeys({{keyid, key}}, time)) {
pwallet->WalletLogPrintf("Error importing key for %s\n", EncodeDestination(pkhash));
fGood = false;
continue;
}
if (has_label)
pwallet->SetAddressBook(pkhash, label, "receive");
nTimeBegin = std::min(nTimeBegin, time);
progress++;
}
for (const auto& script_pair : scripts) {
pwallet->chain().showProgress("", std::max(50, std::min(75, (int)((progress / total) * 100) + 50)), false);
const CScript& script = script_pair.first;
int64_t time = script_pair.second;
if (!pwallet->ImportScripts({script}, time)) {
pwallet->WalletLogPrintf("Error importing script %s\n", HexStr(script));
fGood = false;
continue;
}
if (time > 0) {
nTimeBegin = std::min(nTimeBegin, time);
}
progress++;
}
pwallet->chain().showProgress("", 100, false); // hide progress dialog in GUI
}
}
pwallet->chain().showProgress("", 100, false); // hide progress dialog in GUI
RescanWallet(*pwallet, reserver, nTimeBegin, false /* update */);
pwallet->MarkDirty();
if (!fGood)
throw JSONRPCError(RPC_WALLET_ERROR, "Error adding some keys/scripts to wallet");
return NullUniValue;
},
};
}
RPCHelpMan importelectrumwallet()
{
return RPCHelpMan{"importelectrumwallet",
"\nImports keys from an Electrum wallet export file (.csv or .json)\n",
{
{"filename", RPCArg::Type::STR, RPCArg::Optional::NO, "The Electrum wallet export file, should be in csv or json format"},
{"index", RPCArg::Type::NUM, /* default */ "0", "Rescan the wallet for transactions starting from this block index"},
},
RPCResult{RPCResult::Type::NONE, "", ""},
RPCExamples{
"\nImport the wallet\n"
+ HelpExampleCli("importelectrumwallet", "\"test.csv\"")
+ HelpExampleCli("importelectrumwallet", "\"test.json\"") +
"\nImport using the json rpc call\n"
+ HelpExampleRpc("importelectrumwallet", "\"test.csv\"")
+ HelpExampleRpc("importelectrumwallet", "\"test.json\"")
},
[&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
{
std::shared_ptr<CWallet> const pwallet = GetWalletForJSONRPCRequest(request);
if (!pwallet) return NullUniValue;
if (pwallet->chain().havePruned())
throw JSONRPCError(RPC_WALLET_ERROR, "Importing wallets is disabled in pruned mode");
if (pwallet->IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS)) {
throw JSONRPCError(RPC_WALLET_ERROR, "Error: Private keys are disabled for this wallet");
}
LegacyScriptPubKeyMan& spk_man = EnsureLegacyScriptPubKeyMan(*pwallet);
LOCK2(pwallet->cs_wallet, spk_man.cs_KeyStore);
EnsureWalletIsUnlocked(*pwallet);
std::ifstream file;
std::string strFileName = request.params[0].get_str();
size_t nDotPos = strFileName.find_last_of(".");
if(nDotPos == std::string::npos)
throw JSONRPCError(RPC_INVALID_PARAMETER, "File has no extension, should be .json or .csv");
std::string strFileExt = strFileName.substr(nDotPos+1);
if(strFileExt != "json" && strFileExt != "csv")
throw JSONRPCError(RPC_INVALID_PARAMETER, "File has wrong extension, should be .json or .csv");
file.open(strFileName, std::ios::in | std::ios::ate);
if (!file.is_open())
throw JSONRPCError(RPC_INVALID_PARAMETER, "Cannot open Electrum wallet export file");
bool fGood = true;
WalletBatch batch(pwallet->GetDatabase());
int64_t nFilesize = std::max((int64_t)1, (int64_t)file.tellg());
file.seekg(0, file.beg);
pwallet->ShowProgress(_("Importing…").translated, 0); // show progress dialog in GUI
// Electrum backups were modified to include a prefix before the private key
// The new format of the private_key field is: "prefix:private key"
// Where prefix is, for example, "p2pkh" or "p2sh"
if(strFileExt == "csv") {
while (file.good()) {
pwallet->ShowProgress("", std::max(1, std::min(99, (int)(((double)file.tellg() / (double)nFilesize) * 100))));
std::string line;
std::getline(file, line);
if (line.empty() || line == "address,private_key")
continue;
std::vector<std::string> vstr = SplitString(line, ',');
if (vstr.size() < 2)
continue;
std::vector<std::string> vstr2 = SplitString(vstr[1], ':');
CKey key;
if (vstr2.size() < 1 || vstr2.size() > 2) {
continue;
}
else if (vstr2.size() == 1) {
// Legacy format with only private key in the private_key field
key = DecodeSecret(vstr[1]);
}
else {
// New format with "prefix:private key" in the private_key field
key = DecodeSecret(vstr2[1]);
}
if (!key.IsValid()) {
continue;
}
CPubKey pubkey = key.GetPubKey();
CHECK_NONFATAL(key.VerifyPubKey(pubkey));
CKeyID keyid = pubkey.GetID();
if (spk_man.HaveKey(keyid)) {
pwallet->WalletLogPrintf("Skipping import of %s (key already present)\n", EncodeDestination(PKHash(keyid)));
continue;
}
pwallet->WalletLogPrintf("Importing %s...\n", EncodeDestination(PKHash(keyid)));
if (!spk_man.AddKeyPubKeyWithDB(batch, key, pubkey)) {
fGood = false;
continue;
}
}
} else {
// json
UniValue data(UniValue::VOBJ);
{
auto buffer = std::make_unique<char[]>(nFilesize);
file.read(buffer.get(), nFilesize);
if(!data.read(buffer.get()))
throw JSONRPCError(RPC_TYPE_ERROR, "Cannot parse Electrum wallet export file");
}
std::vector<std::string> vKeys = data.getKeys();
for (size_t i = 0; i < data.size(); i++) {
pwallet->ShowProgress("", std::max(1, std::min(99, int(i*100/data.size()))));
if(!data[vKeys[i]].isStr())
continue;
std::vector<std::string> vstr2 = SplitString(data[vKeys[i]].get_str(), ':');
CKey key;
if (vstr2.size() < 1 || vstr2.size() > 2) {
continue;
}
else if (vstr2.size() == 1) {
// Legacy format with only private key in the private_key field
key = DecodeSecret(data[vKeys[i]].get_str());
}
else {
// New format with "prefix:private key" in the private_key field
key = DecodeSecret(vstr2[1]);
}
if (!key.IsValid()) {
continue;
}
CPubKey pubkey = key.GetPubKey();
CHECK_NONFATAL(key.VerifyPubKey(pubkey));
CKeyID keyid = pubkey.GetID();
if (spk_man.HaveKey(keyid)) {
pwallet->WalletLogPrintf("Skipping import of %s (key already present)\n", EncodeDestination(PKHash(keyid)));
continue;
}
pwallet->WalletLogPrintf("Importing %s...\n", EncodeDestination(PKHash(keyid)));
if (!spk_man.AddKeyPubKeyWithDB(batch, key, pubkey)) {
fGood = false;
continue;
}
}
}
file.close();
pwallet->ShowProgress("", 100); // hide progress dialog in GUI
const int32_t tip_height = pwallet->chain().getHeight().value_or(std::numeric_limits<int32_t>::max());
// Whether to perform rescan after import
int nStartHeight = 0;
if (!request.params[1].isNull())
nStartHeight = request.params[1].get_int();
if (tip_height < nStartHeight)
nStartHeight = tip_height;
// Assume that electrum wallet was created at that block
int64_t nTimeBegin;
CHECK_NONFATAL(pwallet->chain().findFirstBlockWithTimeAndHeight(0, nStartHeight, FoundBlock().time(nTimeBegin)));
spk_man.UpdateTimeFirstKey(nTimeBegin);
pwallet->WalletLogPrintf("Rescanning %i blocks\n", tip_height - nStartHeight + 1);
WalletRescanReserver reserver(*pwallet);
if (!reserver.reserve()) {
throw JSONRPCError(RPC_WALLET_ERROR, "Wallet is currently rescanning. Abort existing rescan or wait.");
}
pwallet->ScanForWalletTransactions(pwallet->chain().getBlockHash(nStartHeight), nStartHeight, {}, reserver, true);
if (!fGood)
throw JSONRPCError(RPC_WALLET_ERROR, "Error adding some keys to wallet");
return NullUniValue;
},
};
}
RPCHelpMan dumpprivkey()
{
return RPCHelpMan{"dumpprivkey",
"\nReveals the private key corresponding to 'address'.\n"
"Then the importprivkey can be used with this output\n",
{
{"address", RPCArg::Type::STR, RPCArg::Optional::NO, "The Dash address for the private key"},
},
RPCResult{
RPCResult::Type::STR, "key", "The private key"
},
RPCExamples{
HelpExampleCli("dumpprivkey", "\"myaddress\"")
+ HelpExampleCli("importprivkey", "\"mykey\"")
+ HelpExampleRpc("dumpprivkey", "\"myaddress\"")
},
[&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
{
std::shared_ptr<CWallet> const pwallet = GetWalletForJSONRPCRequest(request);
if (!pwallet) return NullUniValue;
LegacyScriptPubKeyMan& spk_man = EnsureLegacyScriptPubKeyMan(*pwallet);
LOCK2(pwallet->cs_wallet, spk_man.cs_KeyStore);
EnsureWalletIsUnlocked(*pwallet);
std::string strAddress = request.params[0].get_str();
CTxDestination dest = DecodeDestination(strAddress);
if (!IsValidDestination(dest)) {
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid Dash address");
}
const PKHash *pkhash= std::get_if<PKHash>(&dest);
if (!pkhash) {
throw JSONRPCError(RPC_TYPE_ERROR, "Address does not refer to a key");
}
CKey vchSecret;
if (!spk_man.GetKey(ToKeyID(*pkhash), vchSecret)) {
throw JSONRPCError(RPC_WALLET_ERROR, "Private key for address " + strAddress + " is not known");
}
return EncodeSecret(vchSecret);
},
};
}
RPCHelpMan dumphdinfo()
{
return RPCHelpMan{"dumphdinfo",
"Returns an object containing sensitive private info about this HD wallet.\n",
{},
RPCResult{
RPCResult::Type::OBJ, "", "",
{
{RPCResult::Type::STR_HEX, "hdseed", "The HD seed (bip32, in hex)"},
{RPCResult::Type::STR, "mnemonic", "The mnemonic for this HD wallet (bip39, english words)"},
{RPCResult::Type::STR, "mnemonicpassphrase", "The mnemonic passphrase for this HD wallet (bip39)"},
}
},
RPCExamples{
HelpExampleCli("dumphdinfo", "")
+ HelpExampleRpc("dumphdinfo", "")
},
[&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
{
std::shared_ptr<CWallet> const pwallet = GetWalletForJSONRPCRequest(request);
if (!pwallet) return NullUniValue;
LOCK(pwallet->cs_wallet);
EnsureWalletIsUnlocked(*pwallet);
LegacyScriptPubKeyMan& spk_man = EnsureLegacyScriptPubKeyMan(*pwallet);
CHDChain hdChainCurrent;
if (!spk_man.GetHDChain(hdChainCurrent))
throw JSONRPCError(RPC_WALLET_ERROR, "This wallet is not a HD wallet.");
if (!spk_man.GetDecryptedHDChain(hdChainCurrent))
throw JSONRPCError(RPC_INTERNAL_ERROR, "Cannot decrypt HD seed");
SecureString ssMnemonic;
SecureString ssMnemonicPassphrase;
hdChainCurrent.GetMnemonic(ssMnemonic, ssMnemonicPassphrase);
UniValue obj(UniValue::VOBJ);
obj.pushKV("hdseed", HexStr(hdChainCurrent.GetSeed()));
obj.pushKV("mnemonic", ssMnemonic.c_str());
obj.pushKV("mnemonicpassphrase", ssMnemonicPassphrase.c_str());
return obj;
},
};
}
RPCHelpMan dumpwallet()
{
return RPCHelpMan{"dumpwallet",
"\nDumps all wallet keys in a human-readable format to a server-side file. This does not allow overwriting existing files.\n"
"Imported scripts are included in the dumpfile too, their corresponding addresses will be added automatically by importwallet.\n"
"Note that if your wallet contains keys which are not derived from your HD seed (e.g. imported keys), these are not covered by\n"
"only backing up the seed itself, and must be backed up too (e.g. ensure you back up the whole dumpfile).\n",
{
{"filename", RPCArg::Type::STR, RPCArg::Optional::NO, "The filename with path (absolute path recommended)"},
},
RPCResult{
RPCResult::Type::OBJ, "", "",
{
{RPCResult::Type::NUM, "keys", "The number of keys contained in the wallet dump"},
{RPCResult::Type::STR, "filename", "The filename with full absolute path"},
{RPCResult::Type::STR, "warning", "A warning about not sharing the wallet dump with anyone"},
}
},
RPCExamples{
HelpExampleCli("dumpwallet", "\"test\"")
+ HelpExampleRpc("dumpwallet", "\"test\"")
},
[&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
{
std::shared_ptr<CWallet> const pwallet = GetWalletForJSONRPCRequest(request);
if (!pwallet) return NullUniValue;
CWallet& wallet = *pwallet;
LegacyScriptPubKeyMan& spk_man = EnsureLegacyScriptPubKeyMan(wallet);
// Make sure the results are valid at least up to the most recent block
// the user could have gotten from another RPC command prior to now
wallet.BlockUntilSyncedToCurrentChain();
LOCK(wallet.cs_wallet);
EnsureWalletIsUnlocked(wallet);
fs::path filepath = fs::u8path(request.params[0].get_str());
filepath = fs::absolute(filepath);
/* Prevent arbitrary files from being overwritten. There have been reports
* that users have overwritten wallet files this way:
* https://github.com/bitcoin/bitcoin/issues/9934
* It may also avoid other security issues.
*/
if (fs::exists(filepath)) {
throw JSONRPCError(RPC_INVALID_PARAMETER, filepath.u8string() + " already exists. If you are sure this is what you want, move it out of the way first");
}
std::ofstream file;
file.open(filepath);
if (!file.is_open())
throw JSONRPCError(RPC_INVALID_PARAMETER, "Cannot open wallet dump file");
std::map<CKeyID, int64_t> mapKeyBirth;
wallet.GetKeyBirthTimes(mapKeyBirth);
int64_t block_time = 0;
CHECK_NONFATAL(wallet.chain().findBlock(wallet.GetLastBlockHash(), FoundBlock().time(block_time)));
// Note: To avoid a lock order issue, access to cs_main must be locked before cs_KeyStore.
// So we do the two things in this function that lock cs_main first: GetKeyBirthTimes, and findBlock.
LOCK(spk_man.cs_KeyStore);
const std::map<CKeyID, int64_t>& mapKeyPool = spk_man.GetAllReserveKeys();
std::set<CScriptID> scripts = spk_man.GetCScripts();
// sort time/key pairs
std::vector<std::pair<int64_t, CKeyID> > vKeyBirth;
for (const auto& entry : mapKeyBirth) {
vKeyBirth.push_back(std::make_pair(entry.second, entry.first));
}
mapKeyBirth.clear();
std::sort(vKeyBirth.begin(), vKeyBirth.end());
// produce output
file << strprintf("# Wallet dump created by %s %s\n", PACKAGE_NAME, FormatFullVersion());
file << strprintf("# * Created on %s\n", FormatISO8601DateTime(GetTime()));
file << strprintf("# * Best block at time of backup was %i (%s),\n", wallet.GetLastBlockHeight(), wallet.GetLastBlockHash().ToString());
file << strprintf("# mined on %s\n", FormatISO8601DateTime(block_time));
file << "\n";
UniValue obj(UniValue::VOBJ);
obj.pushKV("dashcoreversion", FormatFullVersion());
obj.pushKV("lastblockheight", wallet.GetLastBlockHeight());
obj.pushKV("lastblockhash", wallet.GetLastBlockHash().ToString());
obj.pushKV("lastblocktime", block_time);
// add the base58check encoded extended master if the wallet uses HD
CHDChain hdChainCurrent;
if (spk_man.GetHDChain(hdChainCurrent))
{
if (!spk_man.GetDecryptedHDChain(hdChainCurrent))
throw JSONRPCError(RPC_INTERNAL_ERROR, "Cannot decrypt HD chain");
SecureString ssMnemonic;