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bitcoin-cli.cpp
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// 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.
#if defined(HAVE_CONFIG_H)
#include <config/bitcoin-config.h>
#endif
#include <chainparamsbase.h>
#include <clientversion.h>
#include <common/args.h>
#include <common/system.h>
#include <common/url.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>
// 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 std::function<std::string(const char*)> G_TRANSLATION_FUN = nullptr;
UrlDecodeFn* const URL_DECODE = urlDecode;
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 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 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, 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::OPTIONS);
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::OPTIONS);
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::OPTIONS);
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). Pass \"help\" for detailed help documentation.", ArgsManager::ALLOW_ANY, OptionsCategory::OPTIONS);
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.", 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, signet: %u, regtest: %u)", defaultBaseParams->RPCPort(), testnetBaseParams->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);
}
/** 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.IsArgSet("-version")) {
std::string strUsage = PACKAGE_NAME " RPC client version " + FormatFullVersion() + "\n";
if (gArgs.IsArgSet("-version")) {
strUsage += FormatParagraph(LicenseInfo());
} else {
strUsage += "\n"
"Usage: bitcoin-cli [options] <command> [params] Send command to " PACKAGE_NAME "\n"
"or: bitcoin-cli [options] -named <command> [name=value]... Send command to " PACKAGE_NAME " (with named arguments)\n"
"or: bitcoin-cli [options] help List commands\n"
"or: bitcoin-cli [options] help <command> Get help for a command\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", addresses);
return JSONRPCReplyObj(result, NullUniValue, 1);
}
};
/** 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", 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(result, NullUniValue, 1);
}
};
/** Process netinfo requests */
class NetinfoRequestHandler : public BaseRequestHandler
{
private:
static constexpr uint8_t MAX_DETAIL_LEVEL{4};
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_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};
struct Peer {
std::string addr;
std::string sub_version;
std::string conn_type;
std::string network;
std::string age;
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::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 "";
}
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, MAX_DETAIL_LEVEL);
} else {
throw std::runtime_error(strprintf("invalid -netinfo argument: %s\nFor more information, run: bitcoin-cli -netinfo help", args.at(0)));
}
}
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 (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 sub_version{peer["subver"].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, 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_is_asmap_on |= (mapped_as != 0);
}
}
// Generate report header.
std::string result{strprintf("%s client %s%s - server %i%s\n\n", PACKAGE_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 mping ping send recv txn blk hb %*s%*s%*s ",
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%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,
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(" ms ms sec sec min min %*s\n\n", 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, 1);
}
const std::string m_help_doc{
"-netinfo level|\"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 integer argument from 0 to %d can be passed for different peers listings; %d to 255 are parsed as %d.\n", MAX_DETAIL_LEVEL, MAX_DETAIL_LEVEL, MAX_DETAIL_LEVEL) +
"Pass \"help\" to see this detailed help documentation.\n"
"If more than one argument is passed, only the first one is read and parsed.\n"
"Suggestion: use 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", MAX_DETAIL_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. help (string \"help\", 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", MAX_DETAIL_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"
" 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 (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 (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 in 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", MAX_DETAIL_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", MAX_DETAIL_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(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 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()};
SplitHostPort(gArgs.GetArg("-rpcconnect", DEFAULT_RPCCONNECT), port, host);
port = static_cast<uint16_t>(gArgs.GetIntArg("-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.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\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)",
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";
}
if (err_msg.isStr()) {
strPrint += ("error message:\n" + err_msg.get_str());
}
if (err_code.isNum() && err_code.getInt<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"].getInt<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 (!listwallets.find_value("error").isNull()) return;
const UniValue& wallets = listwallets.find_value("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 = getbalances.find_value("result")["mine"]["trusted"];
balances.pushKV(wallet_name, balance);
}
result.pushKV("balances", balances);
}
/**
* GetProgressBar constructs a progress bar with 5% intervals.
*
* @param[in] progress The proportion of the progress bar to be filled between 0 and 1.
* @param[out] progress_bar String representation of the progress bar.
*/
static void GetProgressBar(double progress, std::string& progress_bar)
{
if (progress < 0 || progress > 1) return;
static constexpr double INCREMENT{0.05};
static const std::string COMPLETE_BAR{"\u2592"};
static const std::string INCOMPLETE_BAR{"\u2591"};
for (int i = 0; i < progress / INCREMENT; ++i) {
progress_bar += COMPLETE_BAR;
}
for (int i = 0; i < (1 - progress) / INCREMENT; ++i) {
progress_bar += INCOMPLETE_BAR;
}
}
/**
* ParseGetInfoResult takes in -getinfo result in UniValue object and parses it
* into a user friendly UniValue string to be printed on the console.
* @param[out] result Reference to UniValue result containing the -getinfo output.
*/
static void ParseGetInfoResult(UniValue& result)
{
if (!result.find_value("error").isNull()) return;
std::string RESET, GREEN, BLUE, YELLOW, MAGENTA, CYAN;
bool should_colorize = false;
#ifndef WIN32
if (isatty(fileno(stdout))) {
// By default, only print colored text if OS is not WIN32 and stdout is connected to a terminal.
should_colorize = true;
}
#endif
if (gArgs.IsArgSet("-color")) {
const std::string color{gArgs.GetArg("-color", DEFAULT_COLOR_SETTING)};
if (color == "always") {
should_colorize = true;
} else if (color == "never") {
should_colorize = false;
} else if (color != "auto") {
throw std::runtime_error("Invalid value for -color option. Valid values: always, auto, never.");
}
}
if (should_colorize) {
RESET = "\x1B[0m";
GREEN = "\x1B[32m";
BLUE = "\x1B[34m";
YELLOW = "\x1B[33m";