forked from bitcoin/bitcoin
-
Notifications
You must be signed in to change notification settings - Fork 5
/
Copy pathbitcoin-cli.cpp
1368 lines (1249 loc) · 65.2 KB
/
bitcoin-cli.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) 2009-2010 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 <bitcoin-build-config.h> // IWYU pragma: keep
#include <chainparamsbase.h>
#include <clientversion.h>
#include <common/args.h>
#include <common/system.h>
#include <compat/compat.h>
#include <compat/stdin.h>
#include <policy/feerate.h>
#include <rpc/client.h>
#include <rpc/mining.h>
#include <rpc/protocol.h>
#include <rpc/request.h>
#include <tinyformat.h>
#include <univalue.h>
#include <util/chaintype.h>
#include <util/exception.h>
#include <util/strencodings.h>
#include <util/time.h>
#include <util/translation.h>
#include <algorithm>
#include <chrono>
#include <cmath>
#include <cstdio>
#include <functional>
#include <memory>
#include <optional>
#include <string>
#include <tuple>
#ifndef WIN32
#include <unistd.h>
#endif
#include <event2/buffer.h>
#include <event2/keyvalq_struct.h>
#include <support/events.h>
using util::Join;
using util::ToString;
// The server returns time values from a mockable system clock, but it is not
// trivial to get the mocked time from the server, nor is it needed for now, so
// just use a plain system_clock.
using CliClock = std::chrono::system_clock;
const TranslateFn G_TRANSLATION_FUN{nullptr};
static const char DEFAULT_RPCCONNECT[] = "127.0.0.1";
static const int DEFAULT_HTTP_CLIENT_TIMEOUT=900;
static constexpr int DEFAULT_WAIT_CLIENT_TIMEOUT = 0;
static const bool DEFAULT_NAMED=false;
static const int CONTINUE_EXECUTION=-1;
static constexpr uint8_t NETINFO_MAX_LEVEL{4};
static constexpr int8_t UNKNOWN_NETWORK{-1};
// See GetNetworkName() in netbase.cpp
static constexpr std::array NETWORKS{"not_publicly_routable", "ipv4", "ipv6", "onion", "i2p", "cjdns", "internal"};
static constexpr std::array NETWORK_SHORT_NAMES{"npr", "ipv4", "ipv6", "onion", "i2p", "cjdns", "int"};
static constexpr std::array UNREACHABLE_NETWORK_IDS{/*not_publicly_routable*/0, /*internal*/6};
/** Default number of blocks to generate for RPC generatetoaddress. */
static const std::string DEFAULT_NBLOCKS = "1";
/** Default -color setting. */
static const std::string DEFAULT_COLOR_SETTING{"auto"};
static void SetupCliArgs(ArgsManager& argsman)
{
SetupHelpOptions(argsman);
const auto defaultBaseParams = CreateBaseChainParams(ChainType::MAIN);
const auto testnetBaseParams = CreateBaseChainParams(ChainType::TESTNET);
const auto testnet4BaseParams = CreateBaseChainParams(ChainType::TESTNET4);
const auto signetBaseParams = CreateBaseChainParams(ChainType::SIGNET);
const auto regtestBaseParams = CreateBaseChainParams(ChainType::REGTEST);
argsman.AddArg("-version", "Print version and exit", ArgsManager::ALLOW_ANY, OptionsCategory::OPTIONS);
argsman.AddArg("-conf=<file>", strprintf("Specify configuration file. Relative paths will be prefixed by datadir location. (default: %s)", BITCOIN_CONF_FILENAME), ArgsManager::ALLOW_ANY, OptionsCategory::OPTIONS);
argsman.AddArg("-datadir=<dir>", "Specify data directory", ArgsManager::ALLOW_ANY | ArgsManager::DISALLOW_NEGATION, OptionsCategory::OPTIONS);
argsman.AddArg("-generate",
strprintf("Generate blocks, equivalent to RPC getnewaddress followed by RPC generatetoaddress. Optional positional integer "
"arguments are number of blocks to generate (default: %s) and maximum iterations to try (default: %s), equivalent to "
"RPC generatetoaddress nblocks and maxtries arguments. Example: bitcoin-cli -generate 4 1000",
DEFAULT_NBLOCKS, DEFAULT_MAX_TRIES),
ArgsManager::ALLOW_ANY, OptionsCategory::CLI_COMMANDS);
argsman.AddArg("-addrinfo", "Get the number of addresses known to the node, per network and total, after filtering for quality and recency. The total number of addresses known to the node may be higher.", ArgsManager::ALLOW_ANY, OptionsCategory::CLI_COMMANDS);
argsman.AddArg("-getinfo", "Get general information from the remote server. Note that unlike server-side RPC calls, the output of -getinfo is the result of multiple non-atomic requests. Some entries in the output may represent results from different states (e.g. wallet balance may be as of a different block from the chain state reported)", ArgsManager::ALLOW_ANY, OptionsCategory::CLI_COMMANDS);
argsman.AddArg("-netinfo", strprintf("Get network peer connection information from the remote server. An optional argument from 0 to %d can be passed for different peers listings (default: 0). If a non-zero value is passed, an additional \"outonly\" (or \"o\") argument can be passed to see outbound peers only. Pass \"help\" (or \"h\") for detailed help documentation.", NETINFO_MAX_LEVEL), ArgsManager::ALLOW_ANY, OptionsCategory::CLI_COMMANDS);
SetupChainParamsBaseOptions(argsman);
argsman.AddArg("-color=<when>", strprintf("Color setting for CLI output (default: %s). Valid values: always, auto (add color codes when standard output is connected to a terminal and OS is not WIN32), never. Only applies to the output of -getinfo.", DEFAULT_COLOR_SETTING), ArgsManager::ALLOW_ANY | ArgsManager::DISALLOW_NEGATION, OptionsCategory::OPTIONS);
argsman.AddArg("-named", strprintf("Pass named instead of positional arguments (default: %s)", DEFAULT_NAMED), ArgsManager::ALLOW_ANY, OptionsCategory::OPTIONS);
argsman.AddArg("-rpcclienttimeout=<n>", strprintf("Timeout in seconds during HTTP requests, or 0 for no timeout. (default: %d)", DEFAULT_HTTP_CLIENT_TIMEOUT), ArgsManager::ALLOW_ANY, OptionsCategory::OPTIONS);
argsman.AddArg("-rpcconnect=<ip>", strprintf("Send commands to node running on <ip> (default: %s)", DEFAULT_RPCCONNECT), ArgsManager::ALLOW_ANY, OptionsCategory::OPTIONS);
argsman.AddArg("-rpccookiefile=<loc>", "Location of the auth cookie. Relative paths will be prefixed by a net-specific datadir location. (default: data dir)", ArgsManager::ALLOW_ANY, OptionsCategory::OPTIONS);
argsman.AddArg("-rpcpassword=<pw>", "Password for JSON-RPC connections", ArgsManager::ALLOW_ANY, OptionsCategory::OPTIONS);
argsman.AddArg("-rpcport=<port>", strprintf("Connect to JSON-RPC on <port> (default: %u, testnet: %u, testnet4: %u, signet: %u, regtest: %u)", defaultBaseParams->RPCPort(), testnetBaseParams->RPCPort(), testnet4BaseParams->RPCPort(), signetBaseParams->RPCPort(), regtestBaseParams->RPCPort()), ArgsManager::ALLOW_ANY | ArgsManager::NETWORK_ONLY, OptionsCategory::OPTIONS);
argsman.AddArg("-rpcuser=<user>", "Username for JSON-RPC connections", ArgsManager::ALLOW_ANY, OptionsCategory::OPTIONS);
argsman.AddArg("-rpcwait", "Wait for RPC server to start", ArgsManager::ALLOW_ANY, OptionsCategory::OPTIONS);
argsman.AddArg("-rpcwaittimeout=<n>", strprintf("Timeout in seconds to wait for the RPC server to start, or 0 for no timeout. (default: %d)", DEFAULT_WAIT_CLIENT_TIMEOUT), ArgsManager::ALLOW_ANY | ArgsManager::DISALLOW_NEGATION, OptionsCategory::OPTIONS);
argsman.AddArg("-rpcwallet=<walletname>", "Send RPC for non-default wallet on RPC server (needs to exactly match corresponding -wallet option passed to bitcoind). This changes the RPC endpoint used, e.g. http://127.0.0.1:8332/wallet/<walletname>", ArgsManager::ALLOW_ANY, OptionsCategory::OPTIONS);
argsman.AddArg("-stdin", "Read extra arguments from standard input, one per line until EOF/Ctrl-D (recommended for sensitive information such as passphrases). When combined with -stdinrpcpass, the first line from standard input is used for the RPC password.", ArgsManager::ALLOW_ANY, OptionsCategory::OPTIONS);
argsman.AddArg("-stdinrpcpass", "Read RPC password from standard input as a single line. When combined with -stdin, the first line from standard input is used for the RPC password. When combined with -stdinwalletpassphrase, -stdinrpcpass consumes the first line, and -stdinwalletpassphrase consumes the second.", ArgsManager::ALLOW_ANY, OptionsCategory::OPTIONS);
argsman.AddArg("-stdinwalletpassphrase", "Read wallet passphrase from standard input as a single line. When combined with -stdin, the first line from standard input is used for the wallet passphrase.", ArgsManager::ALLOW_ANY, OptionsCategory::OPTIONS);
}
std::optional<std::string> RpcWalletName(const ArgsManager& args)
{
// Check IsArgNegated to return nullopt instead of "0" if -norpcwallet is specified
if (args.IsArgNegated("-rpcwallet")) return std::nullopt;
return args.GetArg("-rpcwallet");
}
/** libevent event log callback */
static void libevent_log_cb(int severity, const char *msg)
{
// Ignore everything other than errors
if (severity >= EVENT_LOG_ERR) {
throw std::runtime_error(strprintf("libevent error: %s", msg));
}
}
//
// Exception thrown on connection error. This error is used to determine
// when to wait if -rpcwait is given.
//
class CConnectionFailed : public std::runtime_error
{
public:
explicit inline CConnectionFailed(const std::string& msg) :
std::runtime_error(msg)
{}
};
//
// This function returns either one of EXIT_ codes when it's expected to stop the process or
// CONTINUE_EXECUTION when it's expected to continue further.
//
static int AppInitRPC(int argc, char* argv[])
{
SetupCliArgs(gArgs);
std::string error;
if (!gArgs.ParseParameters(argc, argv, error)) {
tfm::format(std::cerr, "Error parsing command line arguments: %s\n", error);
return EXIT_FAILURE;
}
if (argc < 2 || HelpRequested(gArgs) || gArgs.GetBoolArg("-version", false)) {
std::string strUsage = CLIENT_NAME " RPC client version " + FormatFullVersion() + "\n";
if (gArgs.GetBoolArg("-version", false)) {
strUsage += FormatParagraph(LicenseInfo());
} else {
strUsage += "\n"
"The bitcoin-cli utility provides a command line interface to interact with a " CLIENT_NAME " RPC server.\n"
"\nIt can be used to query network information, manage wallets, create or broadcast transactions, and control the " CLIENT_NAME " server.\n"
"\nUse the \"help\" command to list all commands. Use \"help <command>\" to show help for that command.\n"
"The -named option allows you to specify parameters using the key=value format, eliminating the need to pass unused positional parameters.\n"
"\n"
"Usage: bitcoin-cli [options] <command> [params]\n"
"or: bitcoin-cli [options] -named <command> [name=value]...\n"
"or: bitcoin-cli [options] help\n"
"or: bitcoin-cli [options] help <command>\n"
"\n";
strUsage += "\n" + gArgs.GetHelpMessage();
}
tfm::format(std::cout, "%s", strUsage);
if (argc < 2) {
tfm::format(std::cerr, "Error: too few parameters\n");
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
if (!CheckDataDirOption(gArgs)) {
tfm::format(std::cerr, "Error: Specified data directory \"%s\" does not exist.\n", gArgs.GetArg("-datadir", ""));
return EXIT_FAILURE;
}
if (!gArgs.ReadConfigFiles(error, true)) {
tfm::format(std::cerr, "Error reading configuration file: %s\n", error);
return EXIT_FAILURE;
}
// Check for chain settings (BaseParams() calls are only valid after this clause)
try {
SelectBaseParams(gArgs.GetChainType());
} catch (const std::exception& e) {
tfm::format(std::cerr, "Error: %s\n", e.what());
return EXIT_FAILURE;
}
return CONTINUE_EXECUTION;
}
/** Reply structure for request_done to fill in */
struct HTTPReply
{
HTTPReply() = default;
int status{0};
int error{-1};
std::string body;
};
static std::string http_errorstring(int code)
{
switch(code) {
case EVREQ_HTTP_TIMEOUT:
return "timeout reached";
case EVREQ_HTTP_EOF:
return "EOF reached";
case EVREQ_HTTP_INVALID_HEADER:
return "error while reading header, or invalid header";
case EVREQ_HTTP_BUFFER_ERROR:
return "error encountered while reading or writing";
case EVREQ_HTTP_REQUEST_CANCEL:
return "request was canceled";
case EVREQ_HTTP_DATA_TOO_LONG:
return "response body is larger than allowed";
default:
return "unknown";
}
}
static void http_request_done(struct evhttp_request *req, void *ctx)
{
HTTPReply *reply = static_cast<HTTPReply*>(ctx);
if (req == nullptr) {
/* If req is nullptr, it means an error occurred while connecting: the
* error code will have been passed to http_error_cb.
*/
reply->status = 0;
return;
}
reply->status = evhttp_request_get_response_code(req);
struct evbuffer *buf = evhttp_request_get_input_buffer(req);
if (buf)
{
size_t size = evbuffer_get_length(buf);
const char *data = (const char*)evbuffer_pullup(buf, size);
if (data)
reply->body = std::string(data, size);
evbuffer_drain(buf, size);
}
}
static void http_error_cb(enum evhttp_request_error err, void *ctx)
{
HTTPReply *reply = static_cast<HTTPReply*>(ctx);
reply->error = err;
}
/** Class that handles the conversion from a command-line to a JSON-RPC request,
* as well as converting back to a JSON object that can be shown as result.
*/
class BaseRequestHandler
{
public:
virtual ~BaseRequestHandler() = default;
virtual UniValue PrepareRequest(const std::string& method, const std::vector<std::string>& args) = 0;
virtual UniValue ProcessReply(const UniValue &batch_in) = 0;
};
/** Process addrinfo requests */
class AddrinfoRequestHandler : public BaseRequestHandler
{
private:
int8_t NetworkStringToId(const std::string& str) const
{
for (size_t i = 0; i < NETWORKS.size(); ++i) {
if (str == NETWORKS[i]) return i;
}
return UNKNOWN_NETWORK;
}
public:
UniValue PrepareRequest(const std::string& method, const std::vector<std::string>& args) override
{
if (!args.empty()) {
throw std::runtime_error("-addrinfo takes no arguments");
}
UniValue params{RPCConvertValues("getnodeaddresses", std::vector<std::string>{{"0"}})};
return JSONRPCRequestObj("getnodeaddresses", params, 1);
}
UniValue ProcessReply(const UniValue& reply) override
{
if (!reply["error"].isNull()) return reply;
const std::vector<UniValue>& nodes{reply["result"].getValues()};
if (!nodes.empty() && nodes.at(0)["network"].isNull()) {
throw std::runtime_error("-addrinfo requires bitcoind server to be running v22.0 and up");
}
// Count the number of peers known to our node, by network.
std::array<uint64_t, NETWORKS.size()> counts{{}};
for (const UniValue& node : nodes) {
std::string network_name{node["network"].get_str()};
const int8_t network_id{NetworkStringToId(network_name)};
if (network_id == UNKNOWN_NETWORK) continue;
++counts.at(network_id);
}
// Prepare result to return to user.
UniValue result{UniValue::VOBJ}, addresses{UniValue::VOBJ};
uint64_t total{0}; // Total address count
for (size_t i = 1; i < NETWORKS.size() - 1; ++i) {
addresses.pushKV(NETWORKS[i], counts.at(i));
total += counts.at(i);
}
addresses.pushKV("total", total);
result.pushKV("addresses_known", std::move(addresses));
return JSONRPCReplyObj(std::move(result), NullUniValue, /*id=*/1, JSONRPCVersion::V2);
}
};
/** Process getinfo requests */
class GetinfoRequestHandler: public BaseRequestHandler
{
public:
const int ID_NETWORKINFO = 0;
const int ID_BLOCKCHAININFO = 1;
const int ID_WALLETINFO = 2;
const int ID_BALANCES = 3;
/** Create a simulated `getinfo` request. */
UniValue PrepareRequest(const std::string& method, const std::vector<std::string>& args) override
{
if (!args.empty()) {
throw std::runtime_error("-getinfo takes no arguments");
}
UniValue result(UniValue::VARR);
result.push_back(JSONRPCRequestObj("getnetworkinfo", NullUniValue, ID_NETWORKINFO));
result.push_back(JSONRPCRequestObj("getblockchaininfo", NullUniValue, ID_BLOCKCHAININFO));
result.push_back(JSONRPCRequestObj("getwalletinfo", NullUniValue, ID_WALLETINFO));
result.push_back(JSONRPCRequestObj("getbalances", NullUniValue, ID_BALANCES));
return result;
}
/** Collect values from the batch and form a simulated `getinfo` reply. */
UniValue ProcessReply(const UniValue &batch_in) override
{
UniValue result(UniValue::VOBJ);
const std::vector<UniValue> batch = JSONRPCProcessBatchReply(batch_in);
// Errors in getnetworkinfo() and getblockchaininfo() are fatal, pass them on;
// getwalletinfo() and getbalances() are allowed to fail if there is no wallet.
if (!batch[ID_NETWORKINFO]["error"].isNull()) {
return batch[ID_NETWORKINFO];
}
if (!batch[ID_BLOCKCHAININFO]["error"].isNull()) {
return batch[ID_BLOCKCHAININFO];
}
result.pushKV("version", batch[ID_NETWORKINFO]["result"]["version"]);
result.pushKV("blocks", batch[ID_BLOCKCHAININFO]["result"]["blocks"]);
result.pushKV("headers", batch[ID_BLOCKCHAININFO]["result"]["headers"]);
result.pushKV("verificationprogress", batch[ID_BLOCKCHAININFO]["result"]["verificationprogress"]);
result.pushKV("timeoffset", batch[ID_NETWORKINFO]["result"]["timeoffset"]);
UniValue connections(UniValue::VOBJ);
connections.pushKV("in", batch[ID_NETWORKINFO]["result"]["connections_in"]);
connections.pushKV("out", batch[ID_NETWORKINFO]["result"]["connections_out"]);
connections.pushKV("total", batch[ID_NETWORKINFO]["result"]["connections"]);
result.pushKV("connections", std::move(connections));
result.pushKV("networks", batch[ID_NETWORKINFO]["result"]["networks"]);
result.pushKV("difficulty", batch[ID_BLOCKCHAININFO]["result"]["difficulty"]);
result.pushKV("chain", UniValue(batch[ID_BLOCKCHAININFO]["result"]["chain"]));
if (!batch[ID_WALLETINFO]["result"].isNull()) {
result.pushKV("has_wallet", true);
result.pushKV("keypoolsize", batch[ID_WALLETINFO]["result"]["keypoolsize"]);
result.pushKV("walletname", batch[ID_WALLETINFO]["result"]["walletname"]);
if (!batch[ID_WALLETINFO]["result"]["unlocked_until"].isNull()) {
result.pushKV("unlocked_until", batch[ID_WALLETINFO]["result"]["unlocked_until"]);
}
result.pushKV("paytxfee", batch[ID_WALLETINFO]["result"]["paytxfee"]);
}
if (!batch[ID_BALANCES]["result"].isNull()) {
result.pushKV("balance", batch[ID_BALANCES]["result"]["mine"]["trusted"]);
}
result.pushKV("relayfee", batch[ID_NETWORKINFO]["result"]["relayfee"]);
result.pushKV("warnings", batch[ID_NETWORKINFO]["result"]["warnings"]);
return JSONRPCReplyObj(std::move(result), NullUniValue, /*id=*/1, JSONRPCVersion::V2);
}
};
/** Process netinfo requests */
class NetinfoRequestHandler : public BaseRequestHandler
{
private:
std::array<std::array<uint16_t, NETWORKS.size() + 1>, 3> m_counts{{{}}}; //!< Peer counts by (in/out/total, networks/total)
uint8_t m_block_relay_peers_count{0};
uint8_t m_manual_peers_count{0};
int8_t NetworkStringToId(const std::string& str) const
{
for (size_t i = 0; i < NETWORKS.size(); ++i) {
if (str == NETWORKS[i]) return i;
}
return UNKNOWN_NETWORK;
}
uint8_t m_details_level{0}; //!< Optional user-supplied arg to set dashboard details level
bool DetailsRequested() const { return m_details_level > 0 && m_details_level < 5; }
bool IsAddressSelected() const { return m_details_level == 2 || m_details_level == 4; }
bool IsVersionSelected() const { return m_details_level == 3 || m_details_level == 4; }
bool m_outbound_only_selected{false};
bool m_is_asmap_on{false};
size_t m_max_addr_length{0};
size_t m_max_addr_processed_length{5};
size_t m_max_addr_rate_limited_length{6};
size_t m_max_age_length{5};
size_t m_max_id_length{2};
size_t m_max_services_length{6};
struct Peer {
std::string addr;
std::string sub_version;
std::string conn_type;
std::string network;
std::string age;
std::string services;
std::string transport_protocol_type;
double min_ping;
double ping;
int64_t addr_processed;
int64_t addr_rate_limited;
int64_t last_blck;
int64_t last_recv;
int64_t last_send;
int64_t last_trxn;
int id;
int mapped_as;
int version;
bool is_addr_relay_enabled;
bool is_bip152_hb_from;
bool is_bip152_hb_to;
bool is_outbound;
bool is_tx_relay;
bool operator<(const Peer& rhs) const { return std::tie(is_outbound, min_ping) < std::tie(rhs.is_outbound, rhs.min_ping); }
};
std::vector<Peer> m_peers;
std::string ChainToString() const
{
switch (gArgs.GetChainType()) {
case ChainType::TESTNET4:
return " testnet4";
case ChainType::TESTNET:
return " testnet";
case ChainType::SIGNET:
return " signet";
case ChainType::REGTEST:
return " regtest";
case ChainType::MAIN:
return "";
}
assert(false);
}
std::string PingTimeToString(double seconds) const
{
if (seconds < 0) return "";
const double milliseconds{round(1000 * seconds)};
return milliseconds > 999999 ? "-" : ToString(milliseconds);
}
std::string ConnectionTypeForNetinfo(const std::string& conn_type) const
{
if (conn_type == "outbound-full-relay") return "full";
if (conn_type == "block-relay-only") return "block";
if (conn_type == "manual" || conn_type == "feeler") return conn_type;
if (conn_type == "addr-fetch") return "addr";
return "";
}
std::string FormatServices(const UniValue& services)
{
std::string str;
for (size_t i = 0; i < services.size(); ++i) {
const std::string s{services[i].get_str()};
str += s == "NETWORK_LIMITED" ? 'l' : s == "P2P_V2" ? '2' : ToLower(s[0]);
}
return str;
}
public:
static constexpr int ID_PEERINFO = 0;
static constexpr int ID_NETWORKINFO = 1;
UniValue PrepareRequest(const std::string& method, const std::vector<std::string>& args) override
{
if (!args.empty()) {
uint8_t n{0};
if (ParseUInt8(args.at(0), &n)) {
m_details_level = std::min(n, NETINFO_MAX_LEVEL);
} else {
throw std::runtime_error(strprintf("invalid -netinfo level argument: %s\nFor more information, run: bitcoin-cli -netinfo help", args.at(0)));
}
if (args.size() > 1) {
if (std::string_view s{args.at(1)}; n && (s == "o" || s == "outonly")) {
m_outbound_only_selected = true;
} else if (n) {
throw std::runtime_error(strprintf("invalid -netinfo outonly argument: %s\nFor more information, run: bitcoin-cli -netinfo help", s));
} else {
throw std::runtime_error(strprintf("invalid -netinfo outonly argument: %s\nThe outonly argument is only valid for a level greater than 0 (the first argument). For more information, run: bitcoin-cli -netinfo help", s));
}
}
}
UniValue result(UniValue::VARR);
result.push_back(JSONRPCRequestObj("getpeerinfo", NullUniValue, ID_PEERINFO));
result.push_back(JSONRPCRequestObj("getnetworkinfo", NullUniValue, ID_NETWORKINFO));
return result;
}
UniValue ProcessReply(const UniValue& batch_in) override
{
const std::vector<UniValue> batch{JSONRPCProcessBatchReply(batch_in)};
if (!batch[ID_PEERINFO]["error"].isNull()) return batch[ID_PEERINFO];
if (!batch[ID_NETWORKINFO]["error"].isNull()) return batch[ID_NETWORKINFO];
const UniValue& networkinfo{batch[ID_NETWORKINFO]["result"]};
if (networkinfo["version"].getInt<int>() < 209900) {
throw std::runtime_error("-netinfo requires bitcoind server to be running v0.21.0 and up");
}
const int64_t time_now{TicksSinceEpoch<std::chrono::seconds>(CliClock::now())};
// Count peer connection totals, and if DetailsRequested(), store peer data in a vector of structs.
for (const UniValue& peer : batch[ID_PEERINFO]["result"].getValues()) {
const std::string network{peer["network"].get_str()};
const int8_t network_id{NetworkStringToId(network)};
if (network_id == UNKNOWN_NETWORK) continue;
const bool is_outbound{!peer["inbound"].get_bool()};
const bool is_tx_relay{peer["relaytxes"].isNull() ? true : peer["relaytxes"].get_bool()};
const std::string conn_type{peer["connection_type"].get_str()};
++m_counts.at(is_outbound).at(network_id); // in/out by network
++m_counts.at(is_outbound).at(NETWORKS.size()); // in/out overall
++m_counts.at(2).at(network_id); // total by network
++m_counts.at(2).at(NETWORKS.size()); // total overall
if (conn_type == "block-relay-only") ++m_block_relay_peers_count;
if (conn_type == "manual") ++m_manual_peers_count;
if (m_outbound_only_selected && !is_outbound) continue;
if (DetailsRequested()) {
// Push data for this peer to the peers vector.
const int peer_id{peer["id"].getInt<int>()};
const int mapped_as{peer["mapped_as"].isNull() ? 0 : peer["mapped_as"].getInt<int>()};
const int version{peer["version"].getInt<int>()};
const int64_t addr_processed{peer["addr_processed"].isNull() ? 0 : peer["addr_processed"].getInt<int64_t>()};
const int64_t addr_rate_limited{peer["addr_rate_limited"].isNull() ? 0 : peer["addr_rate_limited"].getInt<int64_t>()};
const int64_t conn_time{peer["conntime"].getInt<int64_t>()};
const int64_t last_blck{peer["last_block"].getInt<int64_t>()};
const int64_t last_recv{peer["lastrecv"].getInt<int64_t>()};
const int64_t last_send{peer["lastsend"].getInt<int64_t>()};
const int64_t last_trxn{peer["last_transaction"].getInt<int64_t>()};
const double min_ping{peer["minping"].isNull() ? -1 : peer["minping"].get_real()};
const double ping{peer["pingtime"].isNull() ? -1 : peer["pingtime"].get_real()};
const std::string addr{peer["addr"].get_str()};
const std::string age{conn_time == 0 ? "" : ToString((time_now - conn_time) / 60)};
const std::string services{FormatServices(peer["servicesnames"])};
const std::string sub_version{peer["subver"].get_str()};
const std::string transport{peer["transport_protocol_type"].isNull() ? "v1" : peer["transport_protocol_type"].get_str()};
const bool is_addr_relay_enabled{peer["addr_relay_enabled"].isNull() ? false : peer["addr_relay_enabled"].get_bool()};
const bool is_bip152_hb_from{peer["bip152_hb_from"].get_bool()};
const bool is_bip152_hb_to{peer["bip152_hb_to"].get_bool()};
m_peers.push_back({addr, sub_version, conn_type, NETWORK_SHORT_NAMES[network_id], age, services, transport, min_ping, ping, addr_processed, addr_rate_limited, last_blck, last_recv, last_send, last_trxn, peer_id, mapped_as, version, is_addr_relay_enabled, is_bip152_hb_from, is_bip152_hb_to, is_outbound, is_tx_relay});
m_max_addr_length = std::max(addr.length() + 1, m_max_addr_length);
m_max_addr_processed_length = std::max(ToString(addr_processed).length(), m_max_addr_processed_length);
m_max_addr_rate_limited_length = std::max(ToString(addr_rate_limited).length(), m_max_addr_rate_limited_length);
m_max_age_length = std::max(age.length(), m_max_age_length);
m_max_id_length = std::max(ToString(peer_id).length(), m_max_id_length);
m_max_services_length = std::max(services.length(), m_max_services_length);
m_is_asmap_on |= (mapped_as != 0);
}
}
// Generate report header.
std::string result{strprintf("%s client %s%s - server %i%s\n\n", CLIENT_NAME, FormatFullVersion(), ChainToString(), networkinfo["protocolversion"].getInt<int>(), networkinfo["subversion"].get_str())};
// Report detailed peer connections list sorted by direction and minimum ping time.
if (DetailsRequested() && !m_peers.empty()) {
std::sort(m_peers.begin(), m_peers.end());
result += strprintf("<-> type net %*s v mping ping send recv txn blk hb %*s%*s%*s ",
m_max_services_length, "serv",
m_max_addr_processed_length, "addrp",
m_max_addr_rate_limited_length, "addrl",
m_max_age_length, "age");
if (m_is_asmap_on) result += " asmap ";
result += strprintf("%*s %-*s%s\n", m_max_id_length, "id", IsAddressSelected() ? m_max_addr_length : 0, IsAddressSelected() ? "address" : "", IsVersionSelected() ? "version" : "");
for (const Peer& peer : m_peers) {
std::string version{ToString(peer.version) + peer.sub_version};
result += strprintf(
"%3s %6s %5s %*s %2s%7s%7s%5s%5s%5s%5s %2s %*s%*s%*s%*i %*s %-*s%s\n",
peer.is_outbound ? "out" : "in",
ConnectionTypeForNetinfo(peer.conn_type),
peer.network,
m_max_services_length, // variable spacing
peer.services,
(peer.transport_protocol_type.size() == 2 && peer.transport_protocol_type[0] == 'v') ? peer.transport_protocol_type[1] : ' ',
PingTimeToString(peer.min_ping),
PingTimeToString(peer.ping),
peer.last_send ? ToString(time_now - peer.last_send) : "",
peer.last_recv ? ToString(time_now - peer.last_recv) : "",
peer.last_trxn ? ToString((time_now - peer.last_trxn) / 60) : peer.is_tx_relay ? "" : "*",
peer.last_blck ? ToString((time_now - peer.last_blck) / 60) : "",
strprintf("%s%s", peer.is_bip152_hb_to ? "." : " ", peer.is_bip152_hb_from ? "*" : " "),
m_max_addr_processed_length, // variable spacing
peer.addr_processed ? ToString(peer.addr_processed) : peer.is_addr_relay_enabled ? "" : ".",
m_max_addr_rate_limited_length, // variable spacing
peer.addr_rate_limited ? ToString(peer.addr_rate_limited) : "",
m_max_age_length, // variable spacing
peer.age,
m_is_asmap_on ? 7 : 0, // variable spacing
m_is_asmap_on && peer.mapped_as ? ToString(peer.mapped_as) : "",
m_max_id_length, // variable spacing
peer.id,
IsAddressSelected() ? m_max_addr_length : 0, // variable spacing
IsAddressSelected() ? peer.addr : "",
IsVersionSelected() && version != "0" ? version : "");
}
result += strprintf(" %*s ms ms sec sec min min %*s\n\n", m_max_services_length, "", m_max_age_length, "min");
}
// Report peer connection totals by type.
result += " ";
std::vector<int8_t> reachable_networks;
for (const UniValue& network : networkinfo["networks"].getValues()) {
if (network["reachable"].get_bool()) {
const std::string& network_name{network["name"].get_str()};
const int8_t network_id{NetworkStringToId(network_name)};
if (network_id == UNKNOWN_NETWORK) continue;
result += strprintf("%8s", network_name); // column header
reachable_networks.push_back(network_id);
}
};
for (const size_t network_id : UNREACHABLE_NETWORK_IDS) {
if (m_counts.at(2).at(network_id) == 0) continue;
result += strprintf("%8s", NETWORK_SHORT_NAMES.at(network_id)); // column header
reachable_networks.push_back(network_id);
}
result += " total block";
if (m_manual_peers_count) result += " manual";
const std::array rows{"in", "out", "total"};
for (size_t i = 0; i < rows.size(); ++i) {
result += strprintf("\n%-5s", rows[i]); // row header
for (int8_t n : reachable_networks) {
result += strprintf("%8i", m_counts.at(i).at(n)); // network peers count
}
result += strprintf(" %5i", m_counts.at(i).at(NETWORKS.size())); // total peers count
if (i == 1) { // the outbound row has two extra columns for block relay and manual peer counts
result += strprintf(" %5i", m_block_relay_peers_count);
if (m_manual_peers_count) result += strprintf(" %5i", m_manual_peers_count);
}
}
// Report local addresses, ports, and scores.
result += "\n\nLocal addresses";
const std::vector<UniValue>& local_addrs{networkinfo["localaddresses"].getValues()};
if (local_addrs.empty()) {
result += ": n/a\n";
} else {
size_t max_addr_size{0};
for (const UniValue& addr : local_addrs) {
max_addr_size = std::max(addr["address"].get_str().length() + 1, max_addr_size);
}
for (const UniValue& addr : local_addrs) {
result += strprintf("\n%-*s port %6i score %6i", max_addr_size, addr["address"].get_str(), addr["port"].getInt<int>(), addr["score"].getInt<int>());
}
}
return JSONRPCReplyObj(UniValue{result}, NullUniValue, /*id=*/1, JSONRPCVersion::V2);
}
const std::string m_help_doc{
"-netinfo (level [outonly]) | help\n\n"
"Returns a network peer connections dashboard with information from the remote server.\n"
"This human-readable interface will change regularly and is not intended to be a stable API.\n"
"Under the hood, -netinfo fetches the data by calling getpeerinfo and getnetworkinfo.\n"
+ strprintf("An optional argument from 0 to %d can be passed for different peers listings; values above %d up to 255 are parsed as %d.\n", NETINFO_MAX_LEVEL, NETINFO_MAX_LEVEL, NETINFO_MAX_LEVEL) +
"If that argument is passed, an optional additional \"outonly\" argument may be passed to obtain the listing with outbound peers only.\n"
"Pass \"help\" or \"h\" to see this detailed help documentation.\n"
"If more than two arguments are passed, only the first two are read and parsed.\n"
"Suggestion: use -netinfo with the Linux watch(1) command for a live dashboard; see example below.\n\n"
"Arguments:\n"
+ strprintf("1. level (integer 0-%d, optional) Specify the info level of the peers dashboard (default 0):\n", NETINFO_MAX_LEVEL) +
" 0 - Peer counts for each reachable network as well as for block relay peers\n"
" and manual peers, and the list of local addresses and ports\n"
" 1 - Like 0 but preceded by a peers listing (without address and version columns)\n"
" 2 - Like 1 but with an address column\n"
" 3 - Like 1 but with a version column\n"
" 4 - Like 1 but with both address and version columns\n"
"2. outonly (\"outonly\" or \"o\", optional) Return the peers listing with outbound peers only, i.e. to save screen space\n"
" when a node has many inbound peers. Only valid if a level is passed.\n\n"
"help (\"help\" or \"h\", optional) Print this help documentation instead of the dashboard.\n\n"
"Result:\n\n"
+ strprintf("* The peers listing in levels 1-%d displays all of the peers sorted by direction and minimum ping time:\n\n", NETINFO_MAX_LEVEL) +
" Column Description\n"
" ------ -----------\n"
" <-> Direction\n"
" \"in\" - inbound connections are those initiated by the peer\n"
" \"out\" - outbound connections are those initiated by us\n"
" type Type of peer connection\n"
" \"full\" - full relay, the default\n"
" \"block\" - block relay; like full relay but does not relay transactions or addresses\n"
" \"manual\" - peer we manually added using RPC addnode or the -addnode/-connect config options\n"
" \"feeler\" - short-lived connection for testing addresses\n"
" \"addr\" - address fetch; short-lived connection for requesting addresses\n"
" net Network the peer connected through (\"ipv4\", \"ipv6\", \"onion\", \"i2p\", \"cjdns\", or \"npr\" (not publicly routable))\n"
" serv Services offered by the peer\n"
" \"n\" - NETWORK: peer can serve the full block chain\n"
" \"b\" - BLOOM: peer can handle bloom-filtered connections (see BIP 111)\n"
" \"w\" - WITNESS: peer can be asked for blocks and transactions with witness data (SegWit)\n"
" \"c\" - COMPACT_FILTERS: peer can handle basic block filter requests (see BIPs 157 and 158)\n"
" \"l\" - NETWORK_LIMITED: peer limited to serving only the last 288 blocks (~2 days)\n"
" \"2\" - P2P_V2: peer supports version 2 P2P transport protocol, as defined in BIP 324\n"
" \"u\" - UNKNOWN: unrecognized bit flag\n"
" v Version of transport protocol used for the connection\n"
" mping Minimum observed ping time, in milliseconds (ms)\n"
" ping Last observed ping time, in milliseconds (ms)\n"
" send Time since last message sent to the peer, in seconds\n"
" recv Time since last message received from the peer, in seconds\n"
" txn Time since last novel transaction received from the peer and accepted into our mempool, in minutes\n"
" \"*\" - we do not relay transactions to this peer (getpeerinfo \"relaytxes\" is false)\n"
" blk Time since last novel block passing initial validity checks received from the peer, in minutes\n"
" hb High-bandwidth BIP152 compact block relay\n"
" \".\" (to) - we selected the peer as a high-bandwidth peer\n"
" \"*\" (from) - the peer selected us as a high-bandwidth peer\n"
" addrp Total number of addresses processed, excluding those dropped due to rate limiting\n"
" \".\" - we do not relay addresses to this peer (getpeerinfo \"addr_relay_enabled\" is false)\n"
" addrl Total number of addresses dropped due to rate limiting\n"
" age Duration of connection to the peer, in minutes\n"
" asmap Mapped AS (Autonomous System) number at the end of the BGP route to the peer, used for diversifying\n"
" peer selection (only displayed if the -asmap config option is set)\n"
" id Peer index, in increasing order of peer connections since node startup\n"
" address IP address and port of the peer\n"
" version Peer version and subversion concatenated, e.g. \"70016/Satoshi:21.0.0/\"\n\n"
"* The peer counts table displays the number of peers for each reachable network as well as\n"
" the number of block relay peers and manual peers.\n\n"
"* The local addresses table lists each local address broadcast by the node, the port, and the score.\n\n"
"Examples:\n\n"
"Peer counts table of reachable networks and list of local addresses\n"
"> bitcoin-cli -netinfo\n\n"
"The same, preceded by a peers listing without address and version columns\n"
"> bitcoin-cli -netinfo 1\n\n"
"Full dashboard\n"
+ strprintf("> bitcoin-cli -netinfo %d\n\n", NETINFO_MAX_LEVEL) +
"Full dashboard, but with outbound peers only\n"
+ strprintf("> bitcoin-cli -netinfo %d outonly\n\n", NETINFO_MAX_LEVEL) +
"Full live dashboard, adjust --interval or --no-title as needed (Linux)\n"
+ strprintf("> watch --interval 1 --no-title bitcoin-cli -netinfo %d\n\n", NETINFO_MAX_LEVEL) +
"See this help\n"
"> bitcoin-cli -netinfo help\n"};
};
/** Process RPC generatetoaddress request. */
class GenerateToAddressRequestHandler : public BaseRequestHandler
{
public:
UniValue PrepareRequest(const std::string& method, const std::vector<std::string>& args) override
{
address_str = args.at(1);
UniValue params{RPCConvertValues("generatetoaddress", args)};
return JSONRPCRequestObj("generatetoaddress", params, 1);
}
UniValue ProcessReply(const UniValue &reply) override
{
UniValue result(UniValue::VOBJ);
result.pushKV("address", address_str);
result.pushKV("blocks", reply.get_obj()["result"]);
return JSONRPCReplyObj(std::move(result), NullUniValue, /*id=*/1, JSONRPCVersion::V2);
}
protected:
std::string address_str;
};
/** Process default single requests */
class DefaultRequestHandler: public BaseRequestHandler {
public:
UniValue PrepareRequest(const std::string& method, const std::vector<std::string>& args) override
{
UniValue params;
if(gArgs.GetBoolArg("-named", DEFAULT_NAMED)) {
params = RPCConvertNamedValues(method, args);
} else {
params = RPCConvertValues(method, args);
}
return JSONRPCRequestObj(method, params, 1);
}
UniValue ProcessReply(const UniValue &reply) override
{
return reply.get_obj();
}
};
static UniValue CallRPC(BaseRequestHandler* rh, const std::string& strMethod, const std::vector<std::string>& args, const std::optional<std::string>& rpcwallet = {})
{
std::string host;
// In preference order, we choose the following for the port:
// 1. -rpcport
// 2. port in -rpcconnect (ie following : in ipv4 or ]: in ipv6)
// 3. default port for chain
uint16_t port{BaseParams().RPCPort()};
{
uint16_t rpcconnect_port{0};
const std::string rpcconnect_str = gArgs.GetArg("-rpcconnect", DEFAULT_RPCCONNECT);
if (!SplitHostPort(rpcconnect_str, rpcconnect_port, host)) {
// Uses argument provided as-is
// (rather than value parsed)
// to aid the user in troubleshooting
throw std::runtime_error(strprintf("Invalid port provided in -rpcconnect: %s", rpcconnect_str));
} else {
if (rpcconnect_port != 0) {
// Use the valid port provided in rpcconnect
port = rpcconnect_port;
} // else, no port was provided in rpcconnect (continue using default one)
}
if (std::optional<std::string> rpcport_arg = gArgs.GetArg("-rpcport")) {
// -rpcport was specified
const uint16_t rpcport_int{ToIntegral<uint16_t>(rpcport_arg.value()).value_or(0)};
if (rpcport_int == 0) {
// Uses argument provided as-is
// (rather than value parsed)
// to aid the user in troubleshooting
throw std::runtime_error(strprintf("Invalid port provided in -rpcport: %s", rpcport_arg.value()));
}
// Use the valid port provided
port = rpcport_int;
// If there was a valid port provided in rpcconnect,
// rpcconnect_port is non-zero.
if (rpcconnect_port != 0) {
tfm::format(std::cerr, "Warning: Port specified in both -rpcconnect and -rpcport. Using -rpcport %u\n", port);
}
}
}
// Obtain event base
raii_event_base base = obtain_event_base();
// Synchronously look up hostname
raii_evhttp_connection evcon = obtain_evhttp_connection_base(base.get(), host, port);
// Set connection timeout
{
const int timeout = gArgs.GetIntArg("-rpcclienttimeout", DEFAULT_HTTP_CLIENT_TIMEOUT);
if (timeout > 0) {
evhttp_connection_set_timeout(evcon.get(), timeout);
} else {
// Indefinite request timeouts are not possible in libevent-http, so we
// set the timeout to a very long time period instead.
constexpr int YEAR_IN_SECONDS = 31556952; // Average length of year in Gregorian calendar
evhttp_connection_set_timeout(evcon.get(), 5 * YEAR_IN_SECONDS);
}
}
HTTPReply response;
raii_evhttp_request req = obtain_evhttp_request(http_request_done, (void*)&response);
if (req == nullptr) {
throw std::runtime_error("create http request failed");
}
evhttp_request_set_error_cb(req.get(), http_error_cb);
// Get credentials
std::string strRPCUserColonPass;
bool failedToGetAuthCookie = false;
if (gArgs.GetArg("-rpcpassword", "") == "") {
// Try fall back to cookie-based authentication if no password is provided
if (!GetAuthCookie(&strRPCUserColonPass)) {
failedToGetAuthCookie = true;
}
} else {
strRPCUserColonPass = gArgs.GetArg("-rpcuser", "") + ":" + gArgs.GetArg("-rpcpassword", "");
}
struct evkeyvalq* output_headers = evhttp_request_get_output_headers(req.get());
assert(output_headers);
evhttp_add_header(output_headers, "Host", host.c_str());
evhttp_add_header(output_headers, "Connection", "close");
evhttp_add_header(output_headers, "Content-Type", "application/json");
evhttp_add_header(output_headers, "Authorization", (std::string("Basic ") + EncodeBase64(strRPCUserColonPass)).c_str());
// Attach request data
std::string strRequest = rh->PrepareRequest(strMethod, args).write() + "\n";
struct evbuffer* output_buffer = evhttp_request_get_output_buffer(req.get());
assert(output_buffer);
evbuffer_add(output_buffer, strRequest.data(), strRequest.size());
// check if we should use a special wallet endpoint
std::string endpoint = "/";
if (rpcwallet) {
char* encodedURI = evhttp_uriencode(rpcwallet->data(), rpcwallet->size(), false);
if (encodedURI) {
endpoint = "/wallet/" + std::string(encodedURI);
free(encodedURI);
} else {
throw CConnectionFailed("uri-encode failed");
}
}
int r = evhttp_make_request(evcon.get(), req.get(), EVHTTP_REQ_POST, endpoint.c_str());
req.release(); // ownership moved to evcon in above call
if (r != 0) {
throw CConnectionFailed("send http request failed");
}
event_base_dispatch(base.get());
if (response.status == 0) {
std::string responseErrorMessage;
if (response.error != -1) {
responseErrorMessage = strprintf(" (error code %d - \"%s\")", response.error, http_errorstring(response.error));
}
throw CConnectionFailed(strprintf("Could not connect to the server %s:%d%s\n\n"
"Make sure the bitcoind server is running and that you are connecting to the correct RPC port.\n"
"Use \"bitcoin-cli -help\" for more info.",
host, port, responseErrorMessage));
} else if (response.status == HTTP_UNAUTHORIZED) {
if (failedToGetAuthCookie) {
throw std::runtime_error(strprintf(
"Could not locate RPC credentials. No authentication cookie could be found, and RPC password is not set. See -rpcpassword and -stdinrpcpass. Configuration file: (%s)",
fs::PathToString(gArgs.GetConfigFilePath())));
} else {
throw std::runtime_error("Authorization failed: Incorrect rpcuser or rpcpassword");
}
} else if (response.status == HTTP_SERVICE_UNAVAILABLE) {
throw std::runtime_error(strprintf("Server response: %s", response.body));
} else if (response.status >= 400 && response.status != HTTP_BAD_REQUEST && response.status != HTTP_NOT_FOUND && response.status != HTTP_INTERNAL_SERVER_ERROR)
throw std::runtime_error(strprintf("server returned HTTP error %d", response.status));
else if (response.body.empty())
throw std::runtime_error("no response from server");
// Parse reply
UniValue valReply(UniValue::VSTR);
if (!valReply.read(response.body))
throw std::runtime_error("couldn't parse reply from server");
UniValue reply = rh->ProcessReply(valReply);
if (reply.empty())
throw std::runtime_error("expected reply to have result, error and id properties");
return reply;
}
/**
* ConnectAndCallRPC wraps CallRPC with -rpcwait and an exception handler.
*
* @param[in] rh Pointer to RequestHandler.
* @param[in] strMethod Reference to const string method to forward to CallRPC.
* @param[in] rpcwallet Reference to const optional string wallet name to forward to CallRPC.
* @returns the RPC response as a UniValue object.
* @throws a CConnectionFailed std::runtime_error if connection failed or RPC server still in warmup.
*/
static UniValue ConnectAndCallRPC(BaseRequestHandler* rh, const std::string& strMethod, const std::vector<std::string>& args, const std::optional<std::string>& rpcwallet = {})
{
UniValue response(UniValue::VOBJ);
// Execute and handle connection failures with -rpcwait.
const bool fWait = gArgs.GetBoolArg("-rpcwait", false);
const int timeout = gArgs.GetIntArg("-rpcwaittimeout", DEFAULT_WAIT_CLIENT_TIMEOUT);
const auto deadline{std::chrono::steady_clock::now() + 1s * timeout};
do {
try {
response = CallRPC(rh, strMethod, args, rpcwallet);
if (fWait) {
const UniValue& error = response.find_value("error");
if (!error.isNull() && error["code"].getInt<int>() == RPC_IN_WARMUP) {
throw CConnectionFailed("server in warmup");
}
}
break; // Connection succeeded, no need to retry.
} catch (const CConnectionFailed& e) {
if (fWait && (timeout <= 0 || std::chrono::steady_clock::now() < deadline)) {
UninterruptibleSleep(1s);
} else {
throw CConnectionFailed(strprintf("timeout on transient error: %s", e.what()));
}
}
} while (fWait);
return response;
}
/** Parse UniValue result to update the message to print to std::cout. */
static void ParseResult(const UniValue& result, std::string& strPrint)
{
if (result.isNull()) return;
strPrint = result.isStr() ? result.get_str() : result.write(2);
}
/** Parse UniValue error to update the message to print to std::cerr and the code to return. */
static void ParseError(const UniValue& error, std::string& strPrint, int& nRet)
{
if (error.isObject()) {
const UniValue& err_code = error.find_value("code");
const UniValue& err_msg = error.find_value("message");
if (!err_code.isNull()) {
strPrint = "error code: " + err_code.getValStr() + "\n";