mirror of
https://github.com/bitcoin/bitcoin.git
synced 2025-01-12 21:02:38 -03:00
7eab781a14
We don't set any `Content-Type` in the client. It is more consistent with our other JSON-RPC use to set it to `application/json`. Note that our server doesn't enforce content types, so it doesn't make a difference in practice. But it is fairly strange HTTP behavior to not set it. This came up in #18950.
925 lines
41 KiB
C++
925 lines
41 KiB
C++
// Copyright (c) 2009-2010 Satoshi Nakamoto
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// Copyright (c) 2009-2020 The Bitcoin Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#if defined(HAVE_CONFIG_H)
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#include <config/bitcoin-config.h>
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#endif
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#include <chainparamsbase.h>
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#include <clientversion.h>
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#include <optional.h>
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#include <rpc/client.h>
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#include <rpc/mining.h>
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#include <rpc/protocol.h>
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#include <rpc/request.h>
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#include <util/strencodings.h>
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#include <util/system.h>
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#include <util/translation.h>
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#include <util/url.h>
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#include <functional>
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#include <memory>
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#include <stdio.h>
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#include <string>
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#include <tuple>
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#include <event2/buffer.h>
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#include <event2/keyvalq_struct.h>
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#include <support/events.h>
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#include <univalue.h>
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#include <compat/stdin.h>
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const std::function<std::string(const char*)> G_TRANSLATION_FUN = nullptr;
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UrlDecodeFn* const URL_DECODE = urlDecode;
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static const char DEFAULT_RPCCONNECT[] = "127.0.0.1";
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static const int DEFAULT_HTTP_CLIENT_TIMEOUT=900;
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static const bool DEFAULT_NAMED=false;
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static const int CONTINUE_EXECUTION=-1;
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static const std::string ONION{".onion"};
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static const size_t ONION_LEN{ONION.size()};
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/** Default number of blocks to generate for RPC generatetoaddress. */
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static const std::string DEFAULT_NBLOCKS = "1";
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static void SetupCliArgs(ArgsManager& argsman)
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{
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SetupHelpOptions(argsman);
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const auto defaultBaseParams = CreateBaseChainParams(CBaseChainParams::MAIN);
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const auto testnetBaseParams = CreateBaseChainParams(CBaseChainParams::TESTNET);
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const auto signetBaseParams = CreateBaseChainParams(CBaseChainParams::SIGNET);
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const auto regtestBaseParams = CreateBaseChainParams(CBaseChainParams::REGTEST);
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argsman.AddArg("-version", "Print version and exit", ArgsManager::ALLOW_ANY, OptionsCategory::OPTIONS);
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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);
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argsman.AddArg("-datadir=<dir>", "Specify data directory", ArgsManager::ALLOW_ANY, OptionsCategory::OPTIONS);
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argsman.AddArg("-generate", strprintf("Generate blocks immediately, equivalent to RPC generatenewaddress 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::OPTIONS);
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argsman.AddArg("-getinfo", "Get general information from the remote server. Note that unlike server-side RPC calls, the results of -getinfo is the result of multiple non-atomic requests. Some entries in the result 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::OPTIONS);
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argsman.AddArg("-netinfo", "Get network peer connection information from the remote server. An optional integer argument from 0 to 4 can be passed for different peers listings (default: 0).", ArgsManager::ALLOW_INT, OptionsCategory::OPTIONS);
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SetupChainParamsBaseOptions(argsman);
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argsman.AddArg("-named", strprintf("Pass named instead of positional arguments (default: %s)", DEFAULT_NAMED), ArgsManager::ALLOW_ANY, OptionsCategory::OPTIONS);
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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);
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argsman.AddArg("-rpcconnect=<ip>", strprintf("Send commands to node running on <ip> (default: %s)", DEFAULT_RPCCONNECT), ArgsManager::ALLOW_ANY, OptionsCategory::OPTIONS);
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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);
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argsman.AddArg("-rpcpassword=<pw>", "Password for JSON-RPC connections", ArgsManager::ALLOW_ANY, OptionsCategory::OPTIONS);
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argsman.AddArg("-rpcport=<port>", strprintf("Connect to JSON-RPC on <port> (default: %u, testnet: %u, signet: %u, regtest: %u)", defaultBaseParams->RPCPort(), testnetBaseParams->RPCPort(), signetBaseParams->RPCPort(), regtestBaseParams->RPCPort()), ArgsManager::ALLOW_ANY | ArgsManager::NETWORK_ONLY, OptionsCategory::OPTIONS);
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argsman.AddArg("-rpcuser=<user>", "Username for JSON-RPC connections", ArgsManager::ALLOW_ANY, OptionsCategory::OPTIONS);
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argsman.AddArg("-rpcwait", "Wait for RPC server to start", ArgsManager::ALLOW_ANY, OptionsCategory::OPTIONS);
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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);
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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);
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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);
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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);
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}
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/** libevent event log callback */
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static void libevent_log_cb(int severity, const char *msg)
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{
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#ifndef EVENT_LOG_ERR // EVENT_LOG_ERR was added in 2.0.19; but before then _EVENT_LOG_ERR existed.
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# define EVENT_LOG_ERR _EVENT_LOG_ERR
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#endif
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// Ignore everything other than errors
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if (severity >= EVENT_LOG_ERR) {
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throw std::runtime_error(strprintf("libevent error: %s", msg));
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}
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}
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//
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// Exception thrown on connection error. This error is used to determine
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// when to wait if -rpcwait is given.
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//
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class CConnectionFailed : public std::runtime_error
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{
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public:
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explicit inline CConnectionFailed(const std::string& msg) :
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std::runtime_error(msg)
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{}
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};
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//
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// This function returns either one of EXIT_ codes when it's expected to stop the process or
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// CONTINUE_EXECUTION when it's expected to continue further.
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//
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static int AppInitRPC(int argc, char* argv[])
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{
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SetupCliArgs(gArgs);
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std::string error;
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if (!gArgs.ParseParameters(argc, argv, error)) {
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tfm::format(std::cerr, "Error parsing command line arguments: %s\n", error);
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return EXIT_FAILURE;
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}
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if (argc < 2 || HelpRequested(gArgs) || gArgs.IsArgSet("-version")) {
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std::string strUsage = PACKAGE_NAME " RPC client version " + FormatFullVersion() + "\n";
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if (!gArgs.IsArgSet("-version")) {
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strUsage += "\n"
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"Usage: bitcoin-cli [options] <command> [params] Send command to " PACKAGE_NAME "\n"
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"or: bitcoin-cli [options] -named <command> [name=value]... Send command to " PACKAGE_NAME " (with named arguments)\n"
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"or: bitcoin-cli [options] help List commands\n"
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"or: bitcoin-cli [options] help <command> Get help for a command\n";
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strUsage += "\n" + gArgs.GetHelpMessage();
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}
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tfm::format(std::cout, "%s", strUsage);
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if (argc < 2) {
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tfm::format(std::cerr, "Error: too few parameters\n");
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return EXIT_FAILURE;
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}
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return EXIT_SUCCESS;
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}
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if (!CheckDataDirOption()) {
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tfm::format(std::cerr, "Error: Specified data directory \"%s\" does not exist.\n", gArgs.GetArg("-datadir", ""));
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return EXIT_FAILURE;
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}
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if (!gArgs.ReadConfigFiles(error, true)) {
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tfm::format(std::cerr, "Error reading configuration file: %s\n", error);
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return EXIT_FAILURE;
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}
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// Check for chain settings (BaseParams() calls are only valid after this clause)
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try {
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SelectBaseParams(gArgs.GetChainName());
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} catch (const std::exception& e) {
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tfm::format(std::cerr, "Error: %s\n", e.what());
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return EXIT_FAILURE;
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}
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return CONTINUE_EXECUTION;
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}
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/** Reply structure for request_done to fill in */
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struct HTTPReply
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{
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HTTPReply(): status(0), error(-1) {}
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int status;
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int error;
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std::string body;
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};
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static std::string http_errorstring(int code)
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{
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switch(code) {
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#if LIBEVENT_VERSION_NUMBER >= 0x02010300
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case EVREQ_HTTP_TIMEOUT:
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return "timeout reached";
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case EVREQ_HTTP_EOF:
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return "EOF reached";
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case EVREQ_HTTP_INVALID_HEADER:
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return "error while reading header, or invalid header";
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case EVREQ_HTTP_BUFFER_ERROR:
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return "error encountered while reading or writing";
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case EVREQ_HTTP_REQUEST_CANCEL:
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return "request was canceled";
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case EVREQ_HTTP_DATA_TOO_LONG:
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return "response body is larger than allowed";
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#endif
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default:
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return "unknown";
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}
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}
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static void http_request_done(struct evhttp_request *req, void *ctx)
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{
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HTTPReply *reply = static_cast<HTTPReply*>(ctx);
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if (req == nullptr) {
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/* If req is nullptr, it means an error occurred while connecting: the
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* error code will have been passed to http_error_cb.
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*/
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reply->status = 0;
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return;
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}
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reply->status = evhttp_request_get_response_code(req);
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struct evbuffer *buf = evhttp_request_get_input_buffer(req);
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if (buf)
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{
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size_t size = evbuffer_get_length(buf);
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const char *data = (const char*)evbuffer_pullup(buf, size);
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if (data)
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reply->body = std::string(data, size);
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evbuffer_drain(buf, size);
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}
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}
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#if LIBEVENT_VERSION_NUMBER >= 0x02010300
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static void http_error_cb(enum evhttp_request_error err, void *ctx)
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{
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HTTPReply *reply = static_cast<HTTPReply*>(ctx);
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reply->error = err;
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}
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#endif
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/** Class that handles the conversion from a command-line to a JSON-RPC request,
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* as well as converting back to a JSON object that can be shown as result.
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*/
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class BaseRequestHandler
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{
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public:
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virtual ~BaseRequestHandler() {}
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virtual UniValue PrepareRequest(const std::string& method, const std::vector<std::string>& args) = 0;
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virtual UniValue ProcessReply(const UniValue &batch_in) = 0;
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};
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/** Process getinfo requests */
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class GetinfoRequestHandler: public BaseRequestHandler
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{
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public:
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const int ID_NETWORKINFO = 0;
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const int ID_BLOCKCHAININFO = 1;
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const int ID_WALLETINFO = 2;
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const int ID_BALANCES = 3;
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/** Create a simulated `getinfo` request. */
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UniValue PrepareRequest(const std::string& method, const std::vector<std::string>& args) override
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{
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if (!args.empty()) {
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throw std::runtime_error("-getinfo takes no arguments");
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}
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UniValue result(UniValue::VARR);
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result.push_back(JSONRPCRequestObj("getnetworkinfo", NullUniValue, ID_NETWORKINFO));
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result.push_back(JSONRPCRequestObj("getblockchaininfo", NullUniValue, ID_BLOCKCHAININFO));
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result.push_back(JSONRPCRequestObj("getwalletinfo", NullUniValue, ID_WALLETINFO));
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result.push_back(JSONRPCRequestObj("getbalances", NullUniValue, ID_BALANCES));
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return result;
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}
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/** Collect values from the batch and form a simulated `getinfo` reply. */
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UniValue ProcessReply(const UniValue &batch_in) override
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{
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UniValue result(UniValue::VOBJ);
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const std::vector<UniValue> batch = JSONRPCProcessBatchReply(batch_in);
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// Errors in getnetworkinfo() and getblockchaininfo() are fatal, pass them on;
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// getwalletinfo() and getbalances() are allowed to fail if there is no wallet.
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if (!batch[ID_NETWORKINFO]["error"].isNull()) {
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return batch[ID_NETWORKINFO];
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}
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if (!batch[ID_BLOCKCHAININFO]["error"].isNull()) {
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return batch[ID_BLOCKCHAININFO];
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}
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result.pushKV("version", batch[ID_NETWORKINFO]["result"]["version"]);
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result.pushKV("blocks", batch[ID_BLOCKCHAININFO]["result"]["blocks"]);
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result.pushKV("headers", batch[ID_BLOCKCHAININFO]["result"]["headers"]);
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result.pushKV("verificationprogress", batch[ID_BLOCKCHAININFO]["result"]["verificationprogress"]);
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result.pushKV("timeoffset", batch[ID_NETWORKINFO]["result"]["timeoffset"]);
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UniValue connections(UniValue::VOBJ);
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connections.pushKV("in", batch[ID_NETWORKINFO]["result"]["connections_in"]);
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connections.pushKV("out", batch[ID_NETWORKINFO]["result"]["connections_out"]);
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connections.pushKV("total", batch[ID_NETWORKINFO]["result"]["connections"]);
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result.pushKV("connections", connections);
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result.pushKV("proxy", batch[ID_NETWORKINFO]["result"]["networks"][0]["proxy"]);
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result.pushKV("difficulty", batch[ID_BLOCKCHAININFO]["result"]["difficulty"]);
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result.pushKV("chain", UniValue(batch[ID_BLOCKCHAININFO]["result"]["chain"]));
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if (!batch[ID_WALLETINFO]["result"].isNull()) {
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result.pushKV("keypoolsize", batch[ID_WALLETINFO]["result"]["keypoolsize"]);
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if (!batch[ID_WALLETINFO]["result"]["unlocked_until"].isNull()) {
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result.pushKV("unlocked_until", batch[ID_WALLETINFO]["result"]["unlocked_until"]);
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}
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result.pushKV("paytxfee", batch[ID_WALLETINFO]["result"]["paytxfee"]);
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}
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if (!batch[ID_BALANCES]["result"].isNull()) {
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result.pushKV("balance", batch[ID_BALANCES]["result"]["mine"]["trusted"]);
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}
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result.pushKV("relayfee", batch[ID_NETWORKINFO]["result"]["relayfee"]);
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result.pushKV("warnings", batch[ID_NETWORKINFO]["result"]["warnings"]);
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return JSONRPCReplyObj(result, NullUniValue, 1);
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}
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};
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/** Process netinfo requests */
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class NetinfoRequestHandler : public BaseRequestHandler
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{
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private:
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bool IsAddrIPv6(const std::string& addr) const
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{
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return !addr.empty() && addr.front() == '[';
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}
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bool IsInboundOnion(const std::string& addr_local, int mapped_as) const
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{
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return mapped_as == 0 && addr_local.find(ONION) != std::string::npos;
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}
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bool IsOutboundOnion(const std::string& addr, int mapped_as) const
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{
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const size_t addr_len{addr.size()};
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const size_t onion_pos{addr.rfind(ONION)};
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return mapped_as == 0 && onion_pos != std::string::npos && addr_len > ONION_LEN &&
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(onion_pos == addr_len - ONION_LEN || onion_pos == addr.find_last_of(":") - ONION_LEN);
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}
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uint8_t m_details_level{0}; //!< Optional user-supplied arg to set dashboard details level
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bool DetailsRequested() const { return m_details_level > 0 && m_details_level < 5; }
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bool IsAddressSelected() const { return m_details_level == 2 || m_details_level == 4; }
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bool IsVersionSelected() const { return m_details_level == 3 || m_details_level == 4; }
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enum struct NetType {
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ipv4,
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ipv6,
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onion,
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};
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struct Peer {
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int id;
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int mapped_as;
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int version;
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int64_t conn_time;
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int64_t last_blck;
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int64_t last_recv;
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int64_t last_send;
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int64_t last_trxn;
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double min_ping;
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double ping;
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std::string addr;
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std::string sub_version;
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NetType net_type;
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bool is_block_relay;
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bool is_outbound;
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bool operator<(const Peer& rhs) const { return std::tie(is_outbound, min_ping) < std::tie(rhs.is_outbound, rhs.min_ping); }
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};
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std::string NetTypeEnumToString(NetType t)
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{
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switch (t) {
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case NetType::ipv4: return "ipv4";
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case NetType::ipv6: return "ipv6";
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case NetType::onion: return "onion";
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} // no default case, so the compiler can warn about missing cases
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assert(false);
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}
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std::string ChainToString() const
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{
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if (gArgs.GetChainName() == CBaseChainParams::TESTNET) return " testnet";
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if (gArgs.GetChainName() == CBaseChainParams::REGTEST) return " regtest";
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return "";
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}
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public:
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const int ID_PEERINFO = 0;
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const int ID_NETWORKINFO = 1;
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UniValue PrepareRequest(const std::string& method, const std::vector<std::string>& args) override
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{
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if (!args.empty()) {
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uint8_t n{0};
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if (ParseUInt8(args.at(0), &n)) {
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m_details_level = n;
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}
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}
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UniValue result(UniValue::VARR);
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result.push_back(JSONRPCRequestObj("getpeerinfo", NullUniValue, ID_PEERINFO));
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result.push_back(JSONRPCRequestObj("getnetworkinfo", NullUniValue, ID_NETWORKINFO));
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return result;
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}
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UniValue ProcessReply(const UniValue& batch_in) override
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{
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const std::vector<UniValue> batch{JSONRPCProcessBatchReply(batch_in)};
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if (!batch[ID_PEERINFO]["error"].isNull()) return batch[ID_PEERINFO];
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if (!batch[ID_NETWORKINFO]["error"].isNull()) return batch[ID_NETWORKINFO];
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const UniValue& networkinfo{batch[ID_NETWORKINFO]["result"]};
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if (networkinfo["version"].get_int() < 209900) {
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throw std::runtime_error("-netinfo requires bitcoind server to be running v0.21.0 and up");
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}
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// Count peer connection totals, and if DetailsRequested(), store peer data in a vector of structs.
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const int64_t time_now{GetSystemTimeInSeconds()};
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int ipv4_i{0}, ipv6_i{0}, onion_i{0}, block_relay_i{0}, total_i{0}; // inbound conn counters
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int ipv4_o{0}, ipv6_o{0}, onion_o{0}, block_relay_o{0}, total_o{0}; // outbound conn counters
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size_t max_peer_id_length{2}, max_addr_length{0};
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bool is_asmap_on{false};
|
|
std::vector<Peer> peers;
|
|
const UniValue& getpeerinfo{batch[ID_PEERINFO]["result"]};
|
|
|
|
for (const UniValue& peer : getpeerinfo.getValues()) {
|
|
const std::string addr{peer["addr"].get_str()};
|
|
const std::string addr_local{peer["addrlocal"].isNull() ? "" : peer["addrlocal"].get_str()};
|
|
const int mapped_as{peer["mapped_as"].isNull() ? 0 : peer["mapped_as"].get_int()};
|
|
const bool is_block_relay{!peer["relaytxes"].get_bool()};
|
|
const bool is_inbound{peer["inbound"].get_bool()};
|
|
NetType net_type{NetType::ipv4};
|
|
if (is_inbound) {
|
|
if (IsAddrIPv6(addr)) {
|
|
net_type = NetType::ipv6;
|
|
++ipv6_i;
|
|
} else if (IsInboundOnion(addr_local, mapped_as)) {
|
|
net_type = NetType::onion;
|
|
++onion_i;
|
|
} else {
|
|
++ipv4_i;
|
|
}
|
|
if (is_block_relay) ++block_relay_i;
|
|
} else {
|
|
if (IsAddrIPv6(addr)) {
|
|
net_type = NetType::ipv6;
|
|
++ipv6_o;
|
|
} else if (IsOutboundOnion(addr, mapped_as)) {
|
|
net_type = NetType::onion;
|
|
++onion_o;
|
|
} else {
|
|
++ipv4_o;
|
|
}
|
|
if (is_block_relay) ++block_relay_o;
|
|
}
|
|
if (DetailsRequested()) {
|
|
// Push data for this peer to the peers vector.
|
|
const int peer_id{peer["id"].get_int()};
|
|
const int version{peer["version"].get_int()};
|
|
const std::string sub_version{peer["subver"].get_str()};
|
|
const int64_t conn_time{peer["conntime"].get_int64()};
|
|
const int64_t last_blck{peer["last_block"].get_int64()};
|
|
const int64_t last_recv{peer["lastrecv"].get_int64()};
|
|
const int64_t last_send{peer["lastsend"].get_int64()};
|
|
const int64_t last_trxn{peer["last_transaction"].get_int64()};
|
|
const double min_ping{peer["minping"].isNull() ? -1 : peer["minping"].get_real()};
|
|
const double ping{peer["pingtime"].isNull() ? -1 : peer["pingtime"].get_real()};
|
|
peers.push_back({peer_id, mapped_as, version, conn_time, last_blck, last_recv, last_send, last_trxn, min_ping, ping, addr, sub_version, net_type, is_block_relay, !is_inbound});
|
|
max_peer_id_length = std::max(ToString(peer_id).length(), max_peer_id_length);
|
|
max_addr_length = std::max(addr.length() + 1, max_addr_length);
|
|
is_asmap_on |= (mapped_as != 0);
|
|
}
|
|
}
|
|
|
|
// Generate report header.
|
|
std::string result{strprintf("%s %s%s - %i%s\n\n", PACKAGE_NAME, FormatFullVersion(), ChainToString(), networkinfo["protocolversion"].get_int(), networkinfo["subversion"].get_str())};
|
|
|
|
// Report detailed peer connections list sorted by direction and minimum ping time.
|
|
if (DetailsRequested() && !peers.empty()) {
|
|
std::sort(peers.begin(), peers.end());
|
|
result += "Peer connections sorted by direction and min ping\n<-> relay net mping ping send recv txn blk uptime ";
|
|
if (is_asmap_on) result += " asmap ";
|
|
result += strprintf("%*s %-*s%s\n", max_peer_id_length, "id", IsAddressSelected() ? max_addr_length : 0, IsAddressSelected() ? "address" : "", IsVersionSelected() ? "version" : "");
|
|
for (const Peer& peer : peers) {
|
|
std::string version{ToString(peer.version) + peer.sub_version};
|
|
result += strprintf(
|
|
"%3s %5s %5s%6s%7s%5s%5s%5s%5s%7s%*i %*s %-*s%s\n",
|
|
peer.is_outbound ? "out" : "in",
|
|
peer.is_block_relay ? "block" : "full",
|
|
NetTypeEnumToString(peer.net_type),
|
|
peer.min_ping == -1 ? "" : ToString(round(1000 * peer.min_ping)),
|
|
peer.ping == -1 ? "" : ToString(round(1000 * peer.ping)),
|
|
peer.last_send == 0 ? "" : ToString(time_now - peer.last_send),
|
|
peer.last_recv == 0 ? "" : ToString(time_now - peer.last_recv),
|
|
peer.last_trxn == 0 ? "" : ToString((time_now - peer.last_trxn) / 60),
|
|
peer.last_blck == 0 ? "" : ToString((time_now - peer.last_blck) / 60),
|
|
peer.conn_time == 0 ? "" : ToString((time_now - peer.conn_time) / 60),
|
|
is_asmap_on ? 7 : 0, // variable spacing
|
|
is_asmap_on && peer.mapped_as != 0 ? ToString(peer.mapped_as) : "",
|
|
max_peer_id_length, // variable spacing
|
|
peer.id,
|
|
IsAddressSelected() ? max_addr_length : 0, // variable spacing
|
|
IsAddressSelected() ? peer.addr : "",
|
|
IsVersionSelected() && version != "0" ? version : "");
|
|
}
|
|
result += " ms ms sec sec min min min\n\n";
|
|
}
|
|
|
|
// Report peer connection totals by type.
|
|
total_i = ipv4_i + ipv6_i + onion_i;
|
|
total_o = ipv4_o + ipv6_o + onion_o;
|
|
result += " ipv4 ipv6 onion total block-relay\n";
|
|
result += strprintf("in %5i %5i %5i %5i %5i\n", ipv4_i, ipv6_i, onion_i, total_i, block_relay_i);
|
|
result += strprintf("out %5i %5i %5i %5i %5i\n", ipv4_o, ipv6_o, onion_o, total_o, block_relay_o);
|
|
result += strprintf("total %5i %5i %5i %5i %5i\n", ipv4_i + ipv4_o, ipv6_i + ipv6_o, onion_i + onion_o, total_i + total_o, block_relay_i + block_relay_o);
|
|
|
|
// Report local addresses, ports, and scores.
|
|
result += "\nLocal addresses";
|
|
const UniValue& local_addrs{networkinfo["localaddresses"]};
|
|
if (local_addrs.empty()) {
|
|
result += ": n/a\n";
|
|
} else {
|
|
for (const UniValue& addr : local_addrs.getValues()) {
|
|
result += strprintf("\n%-40i port %5i score %6i", addr["address"].get_str(), addr["port"].get_int(), addr["score"].get_int());
|
|
}
|
|
}
|
|
|
|
return JSONRPCReplyObj(UniValue{result}, NullUniValue, 1);
|
|
}
|
|
};
|
|
|
|
/** 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(result, NullUniValue, 1);
|
|
}
|
|
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 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
|
|
int port = BaseParams().RPCPort();
|
|
SplitHostPort(gArgs.GetArg("-rpcconnect", DEFAULT_RPCCONNECT), port, host);
|
|
port = gArgs.GetArg("-rpcport", 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.GetArg("-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");
|
|
#if LIBEVENT_VERSION_NUMBER >= 0x02010300
|
|
evhttp_request_set_error_cb(req.get(), http_error_cb);
|
|
#endif
|
|
|
|
// 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\nMake sure the bitcoind server is running and that you are connecting to the correct RPC port.", 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)",
|
|
GetConfigFile(gArgs.GetArg("-conf", BITCOIN_CONF_FILENAME)).string()));
|
|
} else {
|
|
throw std::runtime_error("Authorization failed: Incorrect rpcuser or rpcpassword");
|
|
}
|
|
} 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");
|
|
const 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 Optional<std::string>& rpcwallet = {})
|
|
{
|
|
UniValue response(UniValue::VOBJ);
|
|
// Execute and handle connection failures with -rpcwait.
|
|
const bool fWait = gArgs.GetBoolArg("-rpcwait", false);
|
|
do {
|
|
try {
|
|
response = CallRPC(rh, strMethod, args, rpcwallet);
|
|
if (fWait) {
|
|
const UniValue& error = find_value(response, "error");
|
|
if (!error.isNull() && error["code"].get_int() == RPC_IN_WARMUP) {
|
|
throw CConnectionFailed("server in warmup");
|
|
}
|
|
}
|
|
break; // Connection succeeded, no need to retry.
|
|
} catch (const CConnectionFailed&) {
|
|
if (fWait) {
|
|
UninterruptibleSleep(std::chrono::milliseconds{1000});
|
|
} else {
|
|
throw;
|
|
}
|
|
}
|
|
} 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 = find_value(error, "code");
|
|
const UniValue& err_msg = find_value(error, "message");
|
|
if (!err_code.isNull()) {
|
|
strPrint = "error code: " + err_code.getValStr() + "\n";
|
|
}
|
|
if (err_msg.isStr()) {
|
|
strPrint += ("error message:\n" + err_msg.get_str());
|
|
}
|
|
if (err_code.isNum() && err_code.get_int() == RPC_WALLET_NOT_SPECIFIED) {
|
|
strPrint += "\nTry adding \"-rpcwallet=<filename>\" option to bitcoin-cli command line.";
|
|
}
|
|
} else {
|
|
strPrint = "error: " + error.write();
|
|
}
|
|
nRet = abs(error["code"].get_int());
|
|
}
|
|
|
|
/**
|
|
* GetWalletBalances calls listwallets; if more than one wallet is loaded, it then
|
|
* fetches mine.trusted balances for each loaded wallet and pushes them to `result`.
|
|
*
|
|
* @param result Reference to UniValue object the wallet names and balances are pushed to.
|
|
*/
|
|
static void GetWalletBalances(UniValue& result)
|
|
{
|
|
DefaultRequestHandler rh;
|
|
const UniValue listwallets = ConnectAndCallRPC(&rh, "listwallets", /* args=*/{});
|
|
if (!find_value(listwallets, "error").isNull()) return;
|
|
const UniValue& wallets = find_value(listwallets, "result");
|
|
if (wallets.size() <= 1) return;
|
|
|
|
UniValue balances(UniValue::VOBJ);
|
|
for (const UniValue& wallet : wallets.getValues()) {
|
|
const std::string wallet_name = wallet.get_str();
|
|
const UniValue getbalances = ConnectAndCallRPC(&rh, "getbalances", /* args=*/{}, wallet_name);
|
|
const UniValue& balance = find_value(getbalances, "result")["mine"]["trusted"];
|
|
balances.pushKV(wallet_name, balance);
|
|
}
|
|
result.pushKV("balances", balances);
|
|
}
|
|
|
|
/**
|
|
* Call RPC getnewaddress.
|
|
* @returns getnewaddress response as a UniValue object.
|
|
*/
|
|
static UniValue GetNewAddress()
|
|
{
|
|
Optional<std::string> wallet_name{};
|
|
if (gArgs.IsArgSet("-rpcwallet")) wallet_name = gArgs.GetArg("-rpcwallet", "");
|
|
DefaultRequestHandler rh;
|
|
return ConnectAndCallRPC(&rh, "getnewaddress", /* args=*/{}, wallet_name);
|
|
}
|
|
|
|
/**
|
|
* Check bounds and set up args for RPC generatetoaddress params: nblocks, address, maxtries.
|
|
* @param[in] address Reference to const string address to insert into the args.
|
|
* @param args Reference to vector of string args to modify.
|
|
*/
|
|
static void SetGenerateToAddressArgs(const std::string& address, std::vector<std::string>& args)
|
|
{
|
|
if (args.size() > 2) throw std::runtime_error("too many arguments (maximum 2 for nblocks and maxtries)");
|
|
if (args.size() == 0) {
|
|
args.emplace_back(DEFAULT_NBLOCKS);
|
|
} else if (args.at(0) == "0") {
|
|
throw std::runtime_error("the first argument (number of blocks to generate, default: " + DEFAULT_NBLOCKS + ") must be an integer value greater than zero");
|
|
}
|
|
args.emplace(args.begin() + 1, address);
|
|
}
|
|
|
|
static int CommandLineRPC(int argc, char *argv[])
|
|
{
|
|
std::string strPrint;
|
|
int nRet = 0;
|
|
try {
|
|
// Skip switches
|
|
while (argc > 1 && IsSwitchChar(argv[1][0])) {
|
|
argc--;
|
|
argv++;
|
|
}
|
|
std::string rpcPass;
|
|
if (gArgs.GetBoolArg("-stdinrpcpass", false)) {
|
|
NO_STDIN_ECHO();
|
|
if (!StdinReady()) {
|
|
fputs("RPC password> ", stderr);
|
|
fflush(stderr);
|
|
}
|
|
if (!std::getline(std::cin, rpcPass)) {
|
|
throw std::runtime_error("-stdinrpcpass specified but failed to read from standard input");
|
|
}
|
|
if (StdinTerminal()) {
|
|
fputc('\n', stdout);
|
|
}
|
|
gArgs.ForceSetArg("-rpcpassword", rpcPass);
|
|
}
|
|
std::vector<std::string> args = std::vector<std::string>(&argv[1], &argv[argc]);
|
|
if (gArgs.GetBoolArg("-stdinwalletpassphrase", false)) {
|
|
NO_STDIN_ECHO();
|
|
std::string walletPass;
|
|
if (args.size() < 1 || args[0].substr(0, 16) != "walletpassphrase") {
|
|
throw std::runtime_error("-stdinwalletpassphrase is only applicable for walletpassphrase(change)");
|
|
}
|
|
if (!StdinReady()) {
|
|
fputs("Wallet passphrase> ", stderr);
|
|
fflush(stderr);
|
|
}
|
|
if (!std::getline(std::cin, walletPass)) {
|
|
throw std::runtime_error("-stdinwalletpassphrase specified but failed to read from standard input");
|
|
}
|
|
if (StdinTerminal()) {
|
|
fputc('\n', stdout);
|
|
}
|
|
args.insert(args.begin() + 1, walletPass);
|
|
}
|
|
if (gArgs.GetBoolArg("-stdin", false)) {
|
|
// Read one arg per line from stdin and append
|
|
std::string line;
|
|
while (std::getline(std::cin, line)) {
|
|
args.push_back(line);
|
|
}
|
|
if (StdinTerminal()) {
|
|
fputc('\n', stdout);
|
|
}
|
|
}
|
|
std::unique_ptr<BaseRequestHandler> rh;
|
|
std::string method;
|
|
if (gArgs.IsArgSet("-getinfo")) {
|
|
rh.reset(new GetinfoRequestHandler());
|
|
} else if (gArgs.GetBoolArg("-netinfo", false)) {
|
|
rh.reset(new NetinfoRequestHandler());
|
|
} else if (gArgs.GetBoolArg("-generate", false)) {
|
|
const UniValue getnewaddress{GetNewAddress()};
|
|
const UniValue& error{find_value(getnewaddress, "error")};
|
|
if (error.isNull()) {
|
|
SetGenerateToAddressArgs(find_value(getnewaddress, "result").get_str(), args);
|
|
rh.reset(new GenerateToAddressRequestHandler());
|
|
} else {
|
|
ParseError(error, strPrint, nRet);
|
|
}
|
|
} else {
|
|
rh.reset(new DefaultRequestHandler());
|
|
if (args.size() < 1) {
|
|
throw std::runtime_error("too few parameters (need at least command)");
|
|
}
|
|
method = args[0];
|
|
args.erase(args.begin()); // Remove trailing method name from arguments vector
|
|
}
|
|
if (nRet == 0) {
|
|
// Perform RPC call
|
|
Optional<std::string> wallet_name{};
|
|
if (gArgs.IsArgSet("-rpcwallet")) wallet_name = gArgs.GetArg("-rpcwallet", "");
|
|
const UniValue reply = ConnectAndCallRPC(rh.get(), method, args, wallet_name);
|
|
|
|
// Parse reply
|
|
UniValue result = find_value(reply, "result");
|
|
const UniValue& error = find_value(reply, "error");
|
|
if (error.isNull()) {
|
|
if (gArgs.IsArgSet("-getinfo") && !gArgs.IsArgSet("-rpcwallet")) {
|
|
GetWalletBalances(result); // fetch multiwallet balances and append to result
|
|
}
|
|
ParseResult(result, strPrint);
|
|
} else {
|
|
ParseError(error, strPrint, nRet);
|
|
}
|
|
}
|
|
} catch (const std::exception& e) {
|
|
strPrint = std::string("error: ") + e.what();
|
|
nRet = EXIT_FAILURE;
|
|
} catch (...) {
|
|
PrintExceptionContinue(nullptr, "CommandLineRPC()");
|
|
throw;
|
|
}
|
|
|
|
if (strPrint != "") {
|
|
tfm::format(nRet == 0 ? std::cout : std::cerr, "%s\n", strPrint);
|
|
}
|
|
return nRet;
|
|
}
|
|
|
|
#ifdef WIN32
|
|
// Export main() and ensure working ASLR on Windows.
|
|
// Exporting a symbol will prevent the linker from stripping
|
|
// the .reloc section from the binary, which is a requirement
|
|
// for ASLR. This is a temporary workaround until a fixed
|
|
// version of binutils is used for releases.
|
|
__declspec(dllexport) int main(int argc, char* argv[])
|
|
{
|
|
util::WinCmdLineArgs winArgs;
|
|
std::tie(argc, argv) = winArgs.get();
|
|
#else
|
|
int main(int argc, char* argv[])
|
|
{
|
|
#endif
|
|
SetupEnvironment();
|
|
if (!SetupNetworking()) {
|
|
tfm::format(std::cerr, "Error: Initializing networking failed\n");
|
|
return EXIT_FAILURE;
|
|
}
|
|
event_set_log_callback(&libevent_log_cb);
|
|
|
|
try {
|
|
int ret = AppInitRPC(argc, argv);
|
|
if (ret != CONTINUE_EXECUTION)
|
|
return ret;
|
|
}
|
|
catch (const std::exception& e) {
|
|
PrintExceptionContinue(&e, "AppInitRPC()");
|
|
return EXIT_FAILURE;
|
|
} catch (...) {
|
|
PrintExceptionContinue(nullptr, "AppInitRPC()");
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
int ret = EXIT_FAILURE;
|
|
try {
|
|
ret = CommandLineRPC(argc, argv);
|
|
}
|
|
catch (const std::exception& e) {
|
|
PrintExceptionContinue(&e, "CommandLineRPC()");
|
|
} catch (...) {
|
|
PrintExceptionContinue(nullptr, "CommandLineRPC()");
|
|
}
|
|
return ret;
|
|
}
|