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bitcoin-cli.cpp
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// Copyright (c) 2009-2010 Satoshi Nakamoto
// Copyright (c) 2009-2020 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 <policy/feerate.h>
#include <rpc/client.h>
#include <rpc/mining.h>
#include <rpc/protocol.h>
#include <rpc/request.h>
#include <tinyformat.h>
#include <util/strencodings.h>
#include <util/system.h>
#include <util/translation.h>
#include <util/url.h>
#include <algorithm>
#include <cmath>
#include <functional>
#include <memory>
#include <optional>
#include <stdio.h>
#include <string>
#include <tuple>
#ifndef WIN32
#include <unistd.h>
#endif
#include <event2/buffer.h>
#include <event2/keyvalq_struct.h>
#include <support/events.h>
#include <univalue.h>
#include <compat/stdin.h>
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};
static constexpr std::array NETWORKS{"ipv4", "ipv6", "onion", "i2p", "cjdns"};
/** 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(CBaseChainParams::MAIN);
const auto testnetBaseParams = CreateBaseChainParams(CBaseChainParams::TESTNET);
const auto signetBaseParams = CreateBaseChainParams(CBaseChainParams::SIGNET);
const auto regtestBaseParams = CreateBaseChainParams(CBaseChainParams::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 immediately, 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.", ArgsManager::ALLOW_ANY, OptionsCategory::OPTIONS);
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);
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 += "\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()) {
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.GetChainName());
} 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(): status(0), error(-1) {}
int status;
int error;
std::string body;
};
static std::string http_errorstring(int code)
{
switch(code) {
#if LIBEVENT_VERSION_NUMBER >= 0x02010300
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";
#endif
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);
}
}
#if LIBEVENT_VERSION_NUMBER >= 0x02010300
static void http_error_cb(enum evhttp_request_error err, void *ctx)
{
HTTPReply *reply = static_cast<HTTPReply*>(ctx);
reply->error = err;
}
#endif
/** 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() {}
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 = 0; i < NETWORKS.size(); ++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_block_relay;
bool is_outbound;
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
{
if (gArgs.GetChainName() == CBaseChainParams::TESTNET) return " testnet";
if (gArgs.GetChainName() == CBaseChainParams::SIGNET) return " signet";
if (gArgs.GetChainName() == CBaseChainParams::REGTEST) return " regtest";
return "";
}
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 "";
}
const int64_t m_time_now{GetTimeSeconds()};
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"].get_int() < 209900) {
throw std::runtime_error("-netinfo requires bitcoind server to be running v0.21.0 and up");
}
// 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_block_relay{!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"].get_int()};
const int mapped_as{peer["mapped_as"].isNull() ? 0 : peer["mapped_as"].get_int()};
const int version{peer["version"].get_int()};
const int64_t addr_processed{peer["addr_processed"].isNull() ? 0 : peer["addr_processed"].get_int64()};
const int64_t addr_rate_limited{peer["addr_rate_limited"].isNull() ? 0 : peer["addr_rate_limited"].get_int64()};
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()};
const std::string addr{peer["addr"].get_str()};
const std::string age{conn_time == 0 ? "" : ToString((m_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, 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_block_relay, is_outbound});
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"].get_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(m_time_now - peer.last_send) : "",
peer.last_recv ? ToString(m_time_now - peer.last_recv) : "",
peer.last_trxn ? ToString((m_time_now - peer.last_trxn) / 60) : peer.is_block_relay ? "*" : "",
peer.last_blck ? ToString((m_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);
}
};
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"].get_int(), addr["score"].get_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 - Connection counts and local addresses\n"
" 1 - Like 0 but with a peers listing (without address or 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\", or \"cjdns\")\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"
" \"*\" - the peer requested we not relay transactions to it (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 connection counts table displays the number of peers by direction, network, and the totals\n"
" for each, as well as two special outbound columns for 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"
"Connection counts and local addresses only\n"
"> bitcoin-cli -netinfo\n\n"
"Compact peers listing\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");
#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)",
fs::PathToString(GetConfigFile(gArgs.GetArg("-conf", BITCOIN_CONF_FILENAME)))));
} 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");
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 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{GetTime<std::chrono::microseconds>() + 1s * timeout};
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& e) {
const auto now{GetTime<std::chrono::microseconds>()};
if (fWait && (timeout <= 0 || 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 = 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);
}
/**
* 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 (!find_value(result, "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";
MAGENTA = "\x1B[35m";
CYAN = "\x1B[36m";
}
std::string result_string = strprintf("%sChain: %s%s\n", BLUE, result["chain"].getValStr(), RESET);
result_string += strprintf("Blocks: %s\n", result["blocks"].getValStr());
result_string += strprintf("Headers: %s\n", result["headers"].getValStr());
const double ibd_progress{result["verificationprogress"].get_real()};
std::string ibd_progress_bar;
// Display the progress bar only if IBD progress is less than 99%
if (ibd_progress < 0.99) {
GetProgressBar(ibd_progress, ibd_progress_bar);
// Add padding between progress bar and IBD progress
ibd_progress_bar += " ";
}
result_string += strprintf("Verification progress: %s%.4f%%\n", ibd_progress_bar, ibd_progress * 100);
result_string += strprintf("Difficulty: %s\n\n", result["difficulty"].getValStr());
result_string += strprintf(
"%sNetwork: in %s, out %s, total %s%s\n",
GREEN,
result["connections"]["in"].getValStr(),
result["connections"]["out"].getValStr(),
result["connections"]["total"].getValStr(),
RESET);
result_string += strprintf("Version: %s\n", result["version"].getValStr());
result_string += strprintf("Time offset (s): %s\n", result["timeoffset"].getValStr());
// proxies