diff options
Diffstat (limited to 'src/bitcoin-cli.cpp')
| -rw-r--r-- | src/bitcoin-cli.cpp | 133 |
1 files changed, 117 insertions, 16 deletions
diff --git a/src/bitcoin-cli.cpp b/src/bitcoin-cli.cpp index 8bec0289f5..e21a269221 100644 --- a/src/bitcoin-cli.cpp +++ b/src/bitcoin-cli.cpp @@ -37,6 +37,7 @@ std::string HelpMessageCli() strUsage += HelpMessageOpt("-?", _("This help message")); strUsage += HelpMessageOpt("-conf=<file>", strprintf(_("Specify configuration file (default: %s)"), BITCOIN_CONF_FILENAME)); strUsage += HelpMessageOpt("-datadir=<dir>", _("Specify data directory")); + strUsage += HelpMessageOpt("-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)")); AppendParamsHelpMessages(strUsage); strUsage += HelpMessageOpt("-named", strprintf(_("Pass named instead of positional arguments (default: %s)"), DEFAULT_NAMED)); strUsage += HelpMessageOpt("-rpcconnect=<ip>", strprintf(_("Send commands to node running on <ip> (default: %s)"), DEFAULT_RPCCONNECT)); @@ -45,7 +46,8 @@ std::string HelpMessageCli() strUsage += HelpMessageOpt("-rpcuser=<user>", _("Username for JSON-RPC connections")); strUsage += HelpMessageOpt("-rpcpassword=<pw>", _("Password for JSON-RPC connections")); strUsage += HelpMessageOpt("-rpcclienttimeout=<n>", strprintf(_("Timeout in seconds during HTTP requests, or 0 for no timeout. (default: %d)"), DEFAULT_HTTP_CLIENT_TIMEOUT)); - strUsage += HelpMessageOpt("-stdin", _("Read extra arguments from standard input, one per line until EOF/Ctrl-D (recommended for sensitive information such as passphrases)")); + strUsage += HelpMessageOpt("-stdinrpcpass", strprintf(_("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."))); + strUsage += HelpMessageOpt("-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.")); strUsage += HelpMessageOpt("-rpcwallet=<walletname>", _("Send RPC for non-default wallet on RPC server (argument is wallet filename in bitcoind directory, required if bitcoind/-Qt runs with multiple wallets)")); return strUsage; @@ -190,7 +192,96 @@ static void http_error_cb(enum evhttp_request_error err, void *ctx) } #endif -UniValue CallRPC(const std::string& strMethod, const UniValue& params) +/** 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 UniValue PrepareRequest(const std::string& method, const std::vector<std::string>& args) = 0; + virtual UniValue ProcessReply(const UniValue &batch_in) = 0; +}; + +/** Process getinfo requests */ +class GetinfoRequestHandler: public BaseRequestHandler +{ +public: + const int ID_NETWORKINFO = 0; + const int ID_BLOCKCHAININFO = 1; + const int ID_WALLETINFO = 2; + + /** Create a simulated `getinfo` request. */ + UniValue PrepareRequest(const std::string& method, const std::vector<std::string>& args) override + { + 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)); + return result; + } + + /** Collect values from the batch and form a simulated `getinfo` reply. */ + UniValue ProcessReply(const UniValue &batch_in) override + { + UniValue result(UniValue::VOBJ); + std::vector<UniValue> batch = JSONRPCProcessBatchReply(batch_in, 3); + // Errors in getnetworkinfo() and getblockchaininfo() are fatal, pass them on + // getwalletinfo() is allowed to fail in case 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("protocolversion", batch[ID_NETWORKINFO]["result"]["protocolversion"]); + if (!batch[ID_WALLETINFO].isNull()) { + result.pushKV("walletversion", batch[ID_WALLETINFO]["result"]["walletversion"]); + result.pushKV("balance", batch[ID_WALLETINFO]["result"]["balance"]); + } + result.pushKV("blocks", batch[ID_BLOCKCHAININFO]["result"]["blocks"]); + result.pushKV("timeoffset", batch[ID_NETWORKINFO]["result"]["timeoffset"]); + result.pushKV("connections", batch[ID_NETWORKINFO]["result"]["connections"]); + result.pushKV("proxy", batch[ID_NETWORKINFO]["result"]["networks"][0]["proxy"]); + result.pushKV("difficulty", batch[ID_BLOCKCHAININFO]["result"]["difficulty"]); + result.pushKV("testnet", UniValue(batch[ID_BLOCKCHAININFO]["result"]["chain"].get_str() == "test")); + if (!batch[ID_WALLETINFO].isNull()) { + result.pushKV("walletversion", batch[ID_WALLETINFO]["result"]["walletversion"]); + result.pushKV("balance", batch[ID_WALLETINFO]["result"]["balance"]); + result.pushKV("keypoololdest", batch[ID_WALLETINFO]["result"]["keypoololdest"]); + result.pushKV("keypoolsize", batch[ID_WALLETINFO]["result"]["keypoolsize"]); + 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"]); + } + result.pushKV("relayfee", batch[ID_NETWORKINFO]["result"]["relayfee"]); + result.pushKV("warnings", batch[ID_NETWORKINFO]["result"]["warnings"]); + return JSONRPCReplyObj(result, NullUniValue, 1); + } +}; + +/** 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) { std::string host; // In preference order, we choose the following for the port: @@ -222,7 +313,7 @@ UniValue CallRPC(const std::string& strMethod, const UniValue& params) // Try fall back to cookie-based authentication if no password is provided if (!GetAuthCookie(&strRPCUserColonPass)) { throw std::runtime_error(strprintf( - _("Could not locate RPC credentials. No authentication cookie could be found, and no rpcpassword is set in the configuration file (%s)"), + _("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().c_str())); } @@ -237,7 +328,7 @@ UniValue CallRPC(const std::string& strMethod, const UniValue& params) evhttp_add_header(output_headers, "Authorization", (std::string("Basic ") + EncodeBase64(strRPCUserColonPass)).c_str()); // Attach request data - std::string strRequest = JSONRPCRequestObj(strMethod, params, 1).write() + "\n"; + 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()); @@ -276,7 +367,7 @@ UniValue CallRPC(const std::string& strMethod, const UniValue& params) UniValue valReply(UniValue::VSTR); if (!valReply.read(response.body)) throw std::runtime_error("couldn't parse reply from server"); - const UniValue& reply = valReply.get_obj(); + const UniValue reply = rh->ProcessReply(valReply); if (reply.empty()) throw std::runtime_error("expected reply to have result, error and id properties"); @@ -293,30 +384,40 @@ int CommandLineRPC(int argc, char *argv[]) argc--; argv++; } + std::string rpcPass; + if (gArgs.GetBoolArg("-stdinrpcpass", false)) { + if (!std::getline(std::cin, rpcPass)) { + throw std::runtime_error("-stdinrpcpass specified but failed to read from standard input"); + } + gArgs.ForceSetArg("-rpcpassword", rpcPass); + } std::vector<std::string> args = std::vector<std::string>(&argv[1], &argv[argc]); if (gArgs.GetBoolArg("-stdin", false)) { // Read one arg per line from stdin and append std::string line; - while (std::getline(std::cin,line)) + while (std::getline(std::cin, line)) { args.push_back(line); + } } - if (args.size() < 1) - throw std::runtime_error("too few parameters (need at least command)"); - std::string strMethod = args[0]; - args.erase(args.begin()); // Remove trailing method name from arguments vector - - UniValue params; - if(gArgs.GetBoolArg("-named", DEFAULT_NAMED)) { - params = RPCConvertNamedValues(strMethod, args); + std::unique_ptr<BaseRequestHandler> rh; + std::string method; + if (gArgs.GetBoolArg("-getinfo", false)) { + rh.reset(new GetinfoRequestHandler()); + method = ""; } else { - params = RPCConvertValues(strMethod, args); + 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 } // Execute and handle connection failures with -rpcwait const bool fWait = gArgs.GetBoolArg("-rpcwait", false); do { try { - const UniValue reply = CallRPC(strMethod, params); + const UniValue reply = CallRPC(rh.get(), method, args); // Parse reply const UniValue& result = find_value(reply, "result"); |