src/rpcserver.cpp

   1 // Copyright (c) 2010 Satoshi Nakamoto
   2 // Copyright (c) 2009-2014 The Bitcoin Core developers
   3 // Distributed under the MIT software license, see the accompanying
   4 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
   5
   6 #include "rpcserver.h"
   7
   8 #include "base58.h"
   9 #include "init.h"
  10 #include "random.h"
  11 #include "sync.h"
  12 #include "ui_interface.h"
  13 #include "util.h"
  14 #include "utilstrencodings.h"
  15 #include "asyncrpcqueue.h"
  16
  17 #include <memory>
  18
  19 #include <univalue.h>
  20
  21 #include <boost/bind.hpp>
  22 #include <boost/filesystem.hpp>
  23 #include <boost/foreach.hpp>
  24 #include <boost/iostreams/concepts.hpp>
  25 #include <boost/iostreams/stream.hpp>
  26 #include <boost/shared_ptr.hpp>
  27 #include <boost/signals2/signal.hpp>
  28 #include <boost/thread.hpp>
  29 #include <boost/algorithm/string/case_conv.hpp> // for to_upper()
  30
  31 using namespace RPCServer;
  32 using namespace std;
  33
  34 static bool fRPCRunning = false;
  35 static bool fRPCInWarmup = true;
  36 static std::string rpcWarmupStatus("RPC server started");
  37 static CCriticalSection cs_rpcWarmup;
  38 /* Timer-creating functions */
  39 static std::vector<RPCTimerInterface*> timerInterfaces;
  40 /* Map of name to timer.
  41  * @note Can be changed to std::unique_ptr when C++11 */
  42 static std::map<std::string, boost::shared_ptr<RPCTimerBase> > deadlineTimers;
  43
  44 static struct CRPCSignals
  45 {
  46     boost::signals2::signal<void ()> Started;
  47     boost::signals2::signal<void ()> Stopped;
  48     boost::signals2::signal<void (const CRPCCommand&)> PreCommand;
  49     boost::signals2::signal<void (const CRPCCommand&)> PostCommand;
  50 } g_rpcSignals;
  51
  52 void RPCServer::OnStarted(boost::function<void ()> slot)
  53 {
  54     g_rpcSignals.Started.connect(slot);
  55 }
  56
  57 void RPCServer::OnStopped(boost::function<void ()> slot)
  58 {
  59     g_rpcSignals.Stopped.connect(slot);
  60 }
  61
  62 void RPCServer::OnPreCommand(boost::function<void (const CRPCCommand&)> slot)
  63 {
  64     g_rpcSignals.PreCommand.connect(boost::bind(slot, _1));
  65 }
  66
  67 void RPCServer::OnPostCommand(boost::function<void (const CRPCCommand&)> slot)
  68 {
  69     g_rpcSignals.PostCommand.connect(boost::bind(slot, _1));
  70 }
  71
  72 void RPCTypeCheck(const UniValue& params,
  73                   const list<UniValue::VType>& typesExpected,
  74                   bool fAllowNull)
  75 {
  76     size_t i = 0;
  77     BOOST_FOREACH(UniValue::VType t, typesExpected)
  78     {
  79         if (params.size() <= i)
  80             break;
  81
  82         const UniValue& v = params[i];
  83         if (!((v.type() == t) || (fAllowNull && (v.isNull()))))
  84         {
  85             string err = strprintf("Expected type %s, got %s",
  86                                    uvTypeName(t), uvTypeName(v.type()));
  87             throw JSONRPCError(RPC_TYPE_ERROR, err);
  88         }
  89         i++;
  90     }
  91 }
  92
  93 void RPCTypeCheckObj(const UniValue& o,
  94                   const map<string, UniValue::VType>& typesExpected,
  95                   bool fAllowNull)
  96 {
  97     BOOST_FOREACH(const PAIRTYPE(string, UniValue::VType)& t, typesExpected)
  98     {
  99         const UniValue& v = find_value(o, t.first);
 100         if (!fAllowNull && v.isNull())
 101             throw JSONRPCError(RPC_TYPE_ERROR, strprintf("Missing %s", t.first));
 102
 103         if (!((v.type() == t.second) || (fAllowNull && (v.isNull()))))
 104         {
 105             string err = strprintf("Expected type %s for %s, got %s",
 106                                    uvTypeName(t.second), t.first, uvTypeName(v.type()));
 107             throw JSONRPCError(RPC_TYPE_ERROR, err);
 108         }
 109     }
 110 }
 111
 112 CAmount AmountFromValue(const UniValue& value)
 113 {
 114     if (!value.isNum() && !value.isStr())
 115         throw JSONRPCError(RPC_TYPE_ERROR, "Amount is not a number or string");
 116     CAmount amount;
 117     if (!ParseFixedPoint(value.getValStr(), 8, &amount))
 118         throw JSONRPCError(RPC_TYPE_ERROR, "Invalid amount");
 119     if (!MoneyRange(amount))
 120         throw JSONRPCError(RPC_TYPE_ERROR, "Amount out of range");
 121     return amount;
 122 }
 123
 124 UniValue ValueFromAmount(const CAmount& amount)
 125 {
 126     bool sign = amount < 0;
 127     int64_t n_abs = (sign ? -amount : amount);
 128     int64_t quotient = n_abs / COIN;
 129     int64_t remainder = n_abs % COIN;
 130     return UniValue(UniValue::VNUM,
 131             strprintf("%s%d.%08d", sign ? "-" : "", quotient, remainder));
 132 }
 133
 134 uint256 ParseHashV(const UniValue& v, string strName)
 135 {
 136     string strHex;
 137     if (v.isStr())
 138         strHex = v.get_str();
 139     if (!IsHex(strHex)) // Note: IsHex("") is false
 140         throw JSONRPCError(RPC_INVALID_PARAMETER, strName+" must be hexadecimal string (not '"+strHex+"')");
 141     uint256 result;
 142     result.SetHex(strHex);
 143     return result;
 144 }
 145 uint256 ParseHashO(const UniValue& o, string strKey)
 146 {
 147     return ParseHashV(find_value(o, strKey), strKey);
 148 }
 149 vector<unsigned char> ParseHexV(const UniValue& v, string strName)
 150 {
 151     string strHex;
 152     if (v.isStr())
 153         strHex = v.get_str();
 154     if (!IsHex(strHex))
 155         throw JSONRPCError(RPC_INVALID_PARAMETER, strName+" must be hexadecimal string (not '"+strHex+"')");
 156     return ParseHex(strHex);
 157 }
 158 vector<unsigned char> ParseHexO(const UniValue& o, string strKey)
 159 {
 160     return ParseHexV(find_value(o, strKey), strKey);
 161 }
 162
 163 /**
 164  * Note: This interface may still be subject to change.
 165  */
 166
 167 std::string CRPCTable::help(const std::string& strCommand) const
 168 {
 169     string strRet;
 170     string category;
 171     set<rpcfn_type> setDone;
 172     vector<pair<string, const CRPCCommand*> > vCommands;
 173
 174     for (map<string, const CRPCCommand*>::const_iterator mi = mapCommands.begin(); mi != mapCommands.end(); ++mi)
 175         vCommands.push_back(make_pair(mi->second->category + mi->first, mi->second));
 176     sort(vCommands.begin(), vCommands.end());
 177
 178     BOOST_FOREACH(const PAIRTYPE(string, const CRPCCommand*)& command, vCommands)
 179     {
 180         const CRPCCommand *pcmd = command.second;
 181         string strMethod = pcmd->name;
 182         // We already filter duplicates, but these deprecated screw up the sort order
 183         if (strMethod.find("label") != string::npos)
 184             continue;
 185         if ((strCommand != "" || pcmd->category == "hidden") && strMethod != strCommand)
 186             continue;
 187         try
 188         {
 189             UniValue params;
 190             rpcfn_type pfn = pcmd->actor;
 191             if (setDone.insert(pfn).second)
 192                 (*pfn)(params, true);
 193         }
 194         catch (const std::exception& e)
 195         {
 196             // Help text is returned in an exception
 197             string strHelp = string(e.what());
 198             if (strCommand == "")
 199             {
 200                 if (strHelp.find('\n') != string::npos)
 201                     strHelp = strHelp.substr(0, strHelp.find('\n'));
 202
 203                 if (category != pcmd->category)
 204                 {
 205                     if (!category.empty())
 206                         strRet += "\n";
 207                     category = pcmd->category;
 208                     string firstLetter = category.substr(0,1);
 209                     boost::to_upper(firstLetter);
 210                     strRet += "== " + firstLetter + category.substr(1) + " ==\n";
 211                 }
 212             }
 213             strRet += strHelp + "\n";
 214         }
 215     }
 216     if (strRet == "")
 217         strRet = strprintf("help: unknown command: %s\n", strCommand);
 218     strRet = strRet.substr(0,strRet.size()-1);
 219     return strRet;
 220 }
 221
 222 UniValue help(const UniValue& params, bool fHelp)
 223 {
 224     if (fHelp || params.size() > 1)
 225         throw runtime_error(
 226             "help ( \"command\" )\n"
 227             "\nList all commands, or get help for a specified command.\n"
 228             "\nArguments:\n"
 229             "1. \"command\"     (string, optional) The command to get help on\n"
 230             "\nResult:\n"
 231             "\"text\"     (string) The help text\n"
 232         );
 233
 234     string strCommand;
 235     if (params.size() > 0)
 236         strCommand = params[0].get_str();
 237
 238     return tableRPC.help(strCommand);
 239 }
 240
 241
 242 UniValue stop(const UniValue& params, bool fHelp)
 243 {
 244    // Accept the deprecated and ignored 'detach' boolean argument
 245     if (fHelp || params.size() > 1)
 246         throw runtime_error(
 247             "stop\n"
 248             "\nStop Komodo server.");
 249     // Shutdown will take long enough that the response should get back
 250     StartShutdown();
 251     return "Komodo server stopping";
 252 }
 253
 254 /**
 255  * Call Table
 256  */
 257 static const CRPCCommand vRPCCommands[] =
 258 { //  category              name                      actor (function)         okSafeMode
 259   //  --------------------- ------------------------  -----------------------  ----------
 260     /* Overall control/query calls */
 261     { "control",            "getinfo",                &getinfo,                true  }, /* uses wallet if enabled */
 262     { "control",            "help",                   &help,                   true  },
 263     { "control",            "stop",                   &stop,                   true  },
 264
 265     /* P2P networking */
 266     { "network",            "getnetworkinfo",         &getnetworkinfo,         true  },
 267     { "network",            "addnode",                &addnode,                true  },
 268     { "network",            "disconnectnode",         &disconnectnode,         true  },
 269     { "network",            "getaddednodeinfo",       &getaddednodeinfo,       true  },
 270     { "network",            "getconnectioncount",     &getconnectioncount,     true  },
 271     { "network",            "getnettotals",           &getnettotals,           true  },
 272     { "network",            "getpeerinfo",            &getpeerinfo,            true  },
 273     { "network",            "ping",                   &ping,                   true  },
 274     { "network",            "setban",                 &setban,                 true  },
 275     { "network",            "listbanned",             &listbanned,             true  },
 276     { "network",            "clearbanned",            &clearbanned,            true  },
 277
 278     /* Block chain and UTXO */
 279     { "blockchain",         "getblockchaininfo",      &getblockchaininfo,      true  },
 280     { "blockchain",         "getbestblockhash",       &getbestblockhash,       true  },
 281     { "blockchain",         "getblockcount",          &getblockcount,          true  },
 282     { "blockchain",         "getblock",               &getblock,               true  },
 283     { "blockchain",         "getblockdeltas",         &getblockdeltas,         false },
 284     { "blockchain",         "getblockhashes",         &getblockhashes,         true  },
 285     { "blockchain",         "getblockhash",           &getblockhash,           true  },
 286     { "blockchain",         "getblockheader",         &getblockheader,         true  },
 287     { "blockchain",         "getchaintips",           &getchaintips,           true  },
 288     { "blockchain",         "getdifficulty",          &getdifficulty,          true  },
 289     { "blockchain",         "getmempoolinfo",         &getmempoolinfo,         true  },
 290     { "blockchain",         "getrawmempool",          &getrawmempool,          true  },
 291     { "blockchain",         "gettxout",               &gettxout,               true  },
 292     { "blockchain",         "gettxoutproof",          &gettxoutproof,          true  },
 293     { "blockchain",         "verifytxoutproof",       &verifytxoutproof,       true  },
 294     { "blockchain",         "gettxoutsetinfo",        &gettxoutsetinfo,        true  },
 295     { "blockchain",         "verifychain",            &verifychain,            true  },
 296     { "blockchain",         "getspentinfo",           &getspentinfo,           false },
 297     { "blockchain",         "paxprice",               &paxprice,               true  },
 298     { "blockchain",         "paxpending",             &paxpending,             true  },
 299     { "blockchain",         "paxprices",              &paxprices,              true  },
 300     { "blockchain",         "notaries",               &notaries,               true  },
 301     { "blockchain",         "minerids",               &minerids,               true  },
 302     { "blockchain",         "kvsearch",               &kvsearch,               true  },
 303     { "blockchain",         "kvupdate",               &kvupdate,               true  },
 304
 305     /* Mining */
 306 #ifdef ENABLE_WALLET
 307     { "mining",             "getblocktemplate",       &getblocktemplate,       true  },
 308 #endif
 309     { "mining",             "getmininginfo",          &getmininginfo,          true  },
 310     { "mining",             "getlocalsolps",          &getlocalsolps,          true  },
 311     { "mining",             "getnetworksolps",        &getnetworksolps,        true  },
 312     { "mining",             "getnetworkhashps",       &getnetworkhashps,       true  },
 313     { "mining",             "prioritisetransaction",  &prioritisetransaction,  true  },
 314     { "mining",             "submitblock",            &submitblock,            true  },
 315     { "mining",             "getblocksubsidy",        &getblocksubsidy,        true  },
 316
 317 #ifdef ENABLE_MINING
 318     /* Coin generation */
 319     { "generating",         "getgenerate",            &getgenerate,            true  },
 320     { "generating",         "setgenerate",            &setgenerate,            true  },
 321     { "generating",         "generate",               &generate,               true  },
 322 #endif
 323
 324     /* Raw transactions */
 325     { "rawtransactions",    "createrawtransaction",   &createrawtransaction,   true  },
 326     { "rawtransactions",    "decoderawtransaction",   &decoderawtransaction,   true  },
 327     { "rawtransactions",    "decodescript",           &decodescript,           true  },
 328     { "rawtransactions",    "getrawtransaction",      &getrawtransaction,      true  },
 329     { "rawtransactions",    "sendrawtransaction",     &sendrawtransaction,     false },
 330     { "rawtransactions",    "signrawtransaction",     &signrawtransaction,     false }, /* uses wallet if enabled */
 331 #ifdef ENABLE_WALLET
 332     { "rawtransactions",    "fundrawtransaction",     &fundrawtransaction,     false },
 333 #endif
 334
 335 /* Address index */
 336     { "addressindex",       "getaddressmempool",      &getaddressmempool,      true  },
 337     { "addressindex",       "getaddressutxos",        &getaddressutxos,        false },
 338     { "addressindex",       "getaddressdeltas",       &getaddressdeltas,       false },
 339     { "addressindex",       "getaddresstxids",        &getaddresstxids,        false },
 340     { "addressindex",       "getaddressbalance",      &getaddressbalance,      false },
 341
 342     /* Utility functions */
 343     { "util",               "createmultisig",         &createmultisig,         true  },
 344     { "util",               "validateaddress",        &validateaddress,        true  }, /* uses wallet if enabled */
 345     { "util",               "verifymessage",          &verifymessage,          true  },
 346     { "util",               "estimatefee",            &estimatefee,            true  },
 347     { "util",               "estimatepriority",       &estimatepriority,       true  },
 348     { "util",               "z_validateaddress",      &z_validateaddress,      true  }, /* uses wallet if enabled */
 349     { "util",               "jumblr_deposit",       &jumblr_deposit,       true  },
 350     { "util",               "jumblr_secret",        &jumblr_secret,       true  },
 351     { "util",               "jumblr_pause",        &jumblr_pause,       true  },
 352     { "util",               "jumblr_resume",        &jumblr_resume,       true  },
 353
 354     /* Not shown in help */
 355     { "hidden",             "invalidateblock",        &invalidateblock,        true  },
 356     { "hidden",             "reconsiderblock",        &reconsiderblock,        true  },
 357     { "hidden",             "setmocktime",            &setmocktime,            true  },
 358 #ifdef ENABLE_WALLET
 359     { "hidden",             "resendwallettransactions", &resendwallettransactions, true},
 360 #endif
 361
 362 #ifdef ENABLE_WALLET
 363     /* Wallet */
 364     { "wallet",             "addmultisigaddress",     &addmultisigaddress,     true  },
 365     { "wallet",             "backupwallet",           &backupwallet,           true  },
 366     { "wallet",             "dumpprivkey",            &dumpprivkey,            true  },
 367     { "wallet",             "dumpwallet",             &dumpwallet,             true  },
 368     { "wallet",             "encryptwallet",          &encryptwallet,          true  },
 369     { "wallet",             "getaccountaddress",      &getaccountaddress,      true  },
 370     { "wallet",             "getaccount",             &getaccount,             true  },
 371     { "wallet",             "getaddressesbyaccount",  &getaddressesbyaccount,  true  },
 372     { "wallet",             "getbalance",             &getbalance,             false },
 373     { "wallet",             "getnewaddress",          &getnewaddress,          true  },
 374     { "wallet",             "getrawchangeaddress",    &getrawchangeaddress,    true  },
 375     { "wallet",             "getreceivedbyaccount",   &getreceivedbyaccount,   false },
 376     { "wallet",             "getreceivedbyaddress",   &getreceivedbyaddress,   false },
 377     { "wallet",             "gettransaction",         &gettransaction,         false },
 378     { "wallet",             "getunconfirmedbalance",  &getunconfirmedbalance,  false },
 379     { "wallet",             "getwalletinfo",          &getwalletinfo,          false },
 380     { "wallet",             "importprivkey",          &importprivkey,          true  },
 381     { "wallet",             "importwallet",           &importwallet,           true  },
 382     { "wallet",             "importaddress",          &importaddress,          true  },
 383     { "wallet",             "keypoolrefill",          &keypoolrefill,          true  },
 384     { "wallet",             "listaccounts",           &listaccounts,           false },
 385     { "wallet",             "listaddressgroupings",   &listaddressgroupings,   false },
 386     { "wallet",             "listlockunspent",        &listlockunspent,        false },
 387     { "wallet",             "listreceivedbyaccount",  &listreceivedbyaccount,  false },
 388     { "wallet",             "listreceivedbyaddress",  &listreceivedbyaddress,  false },
 389     { "wallet",             "listsinceblock",         &listsinceblock,         false },
 390     { "wallet",             "listtransactions",       &listtransactions,       false },
 391     { "wallet",             "listunspent",            &listunspent,            false },
 392     { "wallet",             "lockunspent",            &lockunspent,            true  },
 393     { "wallet",             "move",                   &movecmd,                false },
 394     { "wallet",             "sendfrom",               &sendfrom,               false },
 395     { "wallet",             "sendmany",               &sendmany,               false },
 396     { "wallet",             "sendtoaddress",          &sendtoaddress,          false },
 397     { "wallet",             "setaccount",             &setaccount,             true  },
 398     { "wallet",             "settxfee",               &settxfee,               true  },
 399     { "wallet",             "signmessage",            &signmessage,            true  },
 400     { "wallet",             "walletlock",             &walletlock,             true  },
 401     { "wallet",             "walletpassphrasechange", &walletpassphrasechange, true  },
 402     { "wallet",             "walletpassphrase",       &walletpassphrase,       true  },
 403     { "wallet",             "zcbenchmark",            &zc_benchmark,           true  },
 404     { "wallet",             "zcrawkeygen",            &zc_raw_keygen,          true  },
 405     { "wallet",             "zcrawjoinsplit",         &zc_raw_joinsplit,       true  },
 406     { "wallet",             "zcrawreceive",           &zc_raw_receive,         true  },
 407     { "wallet",             "zcsamplejoinsplit",      &zc_sample_joinsplit,    true  },
 408     { "wallet",             "z_listreceivedbyaddress",&z_listreceivedbyaddress,false },
 409     { "wallet",             "z_getbalance",           &z_getbalance,           false },
 410     { "wallet",             "z_gettotalbalance",      &z_gettotalbalance,      false },
 411     { "wallet",             "z_sendmany",             &z_sendmany,             false },
 412     { "wallet",             "z_getoperationstatus",   &z_getoperationstatus,   true  },
 413     { "wallet",             "z_getoperationresult",   &z_getoperationresult,   true  },
 414     { "wallet",             "z_listoperationids",     &z_listoperationids,     true  },
 415     { "wallet",             "z_getnewaddress",        &z_getnewaddress,        true  },
 416     { "wallet",             "z_listaddresses",        &z_listaddresses,        true  },
 417     { "wallet",             "z_exportkey",            &z_exportkey,            true  },
 418     { "wallet",             "z_importkey",            &z_importkey,            true  },
 419     { "wallet",             "z_exportwallet",         &z_exportwallet,         true  },
 420     { "wallet",             "z_importwallet",         &z_importwallet,         true  },
 421
 422     { "wallet",             "paxdeposit",             &paxdeposit,             true  },
 423     { "wallet",             "paxwithdraw",            &paxwithdraw,            true  }
 424 #endif // ENABLE_WALLET
 425 };
 426
 427 CRPCTable::CRPCTable()
 428 {
 429     unsigned int vcidx;
 430     for (vcidx = 0; vcidx < (sizeof(vRPCCommands) / sizeof(vRPCCommands[0])); vcidx++)
 431     {
 432         const CRPCCommand *pcmd;
 433
 434         pcmd = &vRPCCommands[vcidx];
 435         mapCommands[pcmd->name] = pcmd;
 436     }
 437 }
 438
 439 const CRPCCommand *CRPCTable::operator[](const std::string &name) const
 440 {
 441     map<string, const CRPCCommand*>::const_iterator it = mapCommands.find(name);
 442     if (it == mapCommands.end())
 443         return NULL;
 444     return (*it).second;
 445 }
 446
 447 bool StartRPC()
 448 {
 449 /*<<<<<<< HEA
 450     std::string addr;
 451     int port = defaultPort;
 452     SplitHostPort(strEndpoint, port, addr);
 453     return ip::tcp::endpoint(boost::asio::ip::address::from_string(addr), port);
 454 }
 455
 456 void StartRPCThreads()
 457 {
 458     rpc_allow_subnets.clear();
 459     rpc_allow_subnets.push_back(CSubNet("127.0.0.0/8")); // always allow IPv4 local subnet
 460     rpc_allow_subnets.push_back(CSubNet("::1")); // always allow IPv6 localhost
 461     if (mapMultiArgs.count("-rpcallowip"))
 462     {
 463         const vector<string>& vAllow = mapMultiArgs["-rpcallowip"];
 464         BOOST_FOREACH(string strAllow, vAllow)
 465         {
 466             CSubNet subnet(strAllow);
 467             if(!subnet.IsValid())
 468             {
 469                 uiInterface.ThreadSafeMessageBox(
 470                     strprintf("Invalid -rpcallowip subnet specification: %s. Valid are a single IP (e.g. 1.2.3.4), a network/netmask (e.g. 1.2.3.4/255.255.255.0) or a network/CIDR (e.g. 1.2.3.4/24).", strAllow),
 471                     "", CClientUIInterface::MSG_ERROR);
 472                 StartShutdown();
 473                 return;
 474             }
 475             rpc_allow_subnets.push_back(subnet);
 476         }
 477     }
 478     std::string strAllowed;
 479     BOOST_FOREACH(const CSubNet &subnet, rpc_allow_subnets)
 480         strAllowed += subnet.ToString() + " ";
 481     LogPrint("rpc", "Allowing RPC connections from: %s\n", strAllowed);
 482
 483     if (mapArgs["-rpcpassword"] == "")
 484     {
 485         LogPrintf("No rpcpassword set - using random cookie authentication\n");
 486         if (!GenerateAuthCookie(&strRPCUserColonPass)) {
 487             uiInterface.ThreadSafeMessageBox(
 488                 _("Error: A fatal internal error occured, see debug.log for details"), // Same message as AbortNode
 489                 "", CClientUIInterface::MSG_ERROR);
 490             StartShutdown();
 491             return;
 492         }
 493     } else {
 494         strRPCUserColonPass = mapArgs["-rpcuser"] + ":" + mapArgs["-rpcpassword"];
 495     }
 496
 497     assert(rpc_io_service == NULL);
 498     rpc_io_service = new boost::asio::io_service();
 499     rpc_ssl_context = new ssl::context(*rpc_io_service, ssl::context::sslv23);
 500
 501     const bool fUseSSL = GetBoolArg("-rpcssl", false);
 502
 503     if (fUseSSL)
 504     {
 505         rpc_ssl_context->set_options(ssl::context::no_sslv2 | ssl::context::no_sslv3);
 506
 507         boost::filesystem::path pathCertFile(GetArg("-rpcsslcertificatechainfile", "server.cert"));
 508         if (!pathCertFile.is_complete()) pathCertFile = boost::filesystem::path(GetDataDir()) / pathCertFile;
 509         if (boost::filesystem::exists(pathCertFile)) rpc_ssl_context->use_certificate_chain_file(pathCertFile.string());
 510         else LogPrintf("ThreadRPCServer ERROR: missing server certificate file %s\n", pathCertFile.string());
 511
 512         boost::filesystem::path pathPKFile(GetArg("-rpcsslprivatekeyfile", "server.pem"));
 513         if (!pathPKFile.is_complete()) pathPKFile = boost::filesystem::path(GetDataDir()) / pathPKFile;
 514         if (boost::filesystem::exists(pathPKFile)) rpc_ssl_context->use_private_key_file(pathPKFile.string(), ssl::context::pem);
 515         else LogPrintf("ThreadRPCServer ERROR: missing server private key file %s\n", pathPKFile.string());
 516
 517         string strCiphers = GetArg("-rpcsslciphers", "TLSv1.2+HIGH:TLSv1+HIGH:!SSLv2:!aNULL:!eNULL:!3DES:@STRENGTH");
 518         SSL_CTX_set_cipher_list(rpc_ssl_context->impl(), strCiphers.c_str());
 519     }
 520
 521     std::vector<ip::tcp::endpoint> vEndpoints;
 522     bool bBindAny = false;
 523     int defaultPort = GetArg("-rpcport", BaseParams().RPCPort());
 524     if (!mapArgs.count("-rpcallowip")) // Default to loopback if not allowing external IPs
 525     {
 526         vEndpoints.push_back(ip::tcp::endpoint(boost::asio::ip::address_v6::loopback(), defaultPort));
 527         vEndpoints.push_back(ip::tcp::endpoint(boost::asio::ip::address_v4::loopback(), defaultPort));
 528         if (mapArgs.count("-rpcbind"))
 529         {
 530             LogPrintf("WARNING: option -rpcbind was ignored because -rpcallowip was not specified, refusing to allow everyone to connect\n");
 531         }
 532     } else if (mapArgs.count("-rpcbind")) // Specific bind address
 533     {
 534         BOOST_FOREACH(const std::string &addr, mapMultiArgs["-rpcbind"])
 535         {
 536             try {
 537                 vEndpoints.push_back(ParseEndpoint(addr, defaultPort));
 538             }
 539             catch (const boost::system::system_error&)
 540             {
 541                 uiInterface.ThreadSafeMessageBox(
 542                     strprintf(_("Could not parse -rpcbind value %s as network address"), addr),
 543                     "", CClientUIInterface::MSG_ERROR);
 544                 StartShutdown();
 545                 return;
 546             }
 547         }
 548     } else { // No specific bind address specified, bind to any
 549         vEndpoints.push_back(ip::tcp::endpoint(boost::asio::ip::address_v6::any(), defaultPort));
 550         vEndpoints.push_back(ip::tcp::endpoint(boost::asio::ip::address_v4::any(), defaultPort));
 551         // Prefer making the socket dual IPv6/IPv4 instead of binding
 552         // to both addresses separately.
 553         bBindAny = true;
 554     }
 555
 556     bool fListening = false;
 557     std::string strerr;
 558     std::string straddress;
 559     BOOST_FOREACH(const ip::tcp::endpoint &endpoint, vEndpoints)
 560     {
 561         try {
 562             boost::asio::ip::address bindAddress = endpoint.address();
 563             straddress = bindAddress.to_string();
 564             LogPrintf("Binding RPC on address %s port %i (IPv4+IPv6 bind any: %i)\n", straddress, endpoint.port(), bBindAny);
 565             boost::system::error_code v6_only_error;
 566             boost::shared_ptr<ip::tcp::acceptor> acceptor(new ip::tcp::acceptor(*rpc_io_service));
 567
 568             acceptor->open(endpoint.protocol());
 569             acceptor->set_option(boost::asio::ip::tcp::acceptor::reuse_address(true));
 570
 571             // Try making the socket dual IPv6/IPv4 when listening on the IPv6 "any" address
 572             acceptor->set_option(boost::asio::ip::v6_only(
 573                 !bBindAny || bindAddress != boost::asio::ip::address_v6::any()), v6_only_error);
 574
 575             acceptor->bind(endpoint);
 576             acceptor->listen(socket_base::max_connections);
 577
 578             RPCListen(acceptor, *rpc_ssl_context, fUseSSL);
 579
 580             fListening = true;
 581             rpc_acceptors.push_back(acceptor);
 582             // If dual IPv6/IPv4 bind successful, skip binding to IPv4 separately
 583             if(bBindAny && bindAddress == boost::asio::ip::address_v6::any() && !v6_only_error)
 584                 break;
 585         }
 586         catch (const boost::system::system_error& e)
 587         {
 588             LogPrintf("ERROR: Binding RPC on address %s port %i failed: %s\n", straddress, endpoint.port(), e.what());
 589             strerr = strprintf(_("An error occurred while setting up the RPC address %s port %u for listening: %s"), straddress, endpoint.port(), e.what());
 590         }
 591     }
 592
 593     if (!fListening) {
 594         uiInterface.ThreadSafeMessageBox(strerr, "", CClientUIInterface::MSG_ERROR);
 595         StartShutdown();
 596         return;
 597     }
 598
 599     rpc_worker_group = new boost::thread_group();
 600     for (int i = 0; i < GetArg("-rpcthreads", 4); i++)
 601         rpc_worker_group->create_thread(boost::bind(&boost::asio::io_service::run, rpc_io_service));
 602 =======
 603     LogPrint("rpc", "Starting RPC\n");
 604 >>>>>>> zcash/master*/
 605     fRPCRunning = true;
 606     g_rpcSignals.Started();
 607
 608     // Launch one async rpc worker.  The ability to launch multiple workers is not recommended at present and thus the option is disabled.
 609     //for (int i=0; i<32; i++)
 610         getAsyncRPCQueue()->addWorker();
 611 /*
 612     int n = GetArg("-rpcasyncthreads", 1);
 613     if (n<1) {
 614         LogPrintf("ERROR: Invalid value %d for -rpcasyncthreads.  Must be at least 1.\n", n);
 615         strerr = strprintf(_("An error occurred while setting up the Async RPC threads, invalid parameter value of %d (must be at least 1)."), n);
 616         uiInterface.ThreadSafeMessageBox(strerr, "", CClientUIInterface::MSG_ERROR);
 617         StartShutdown();
 618         return;
 619     }
 620     for (int i = 0; i < n; i++)
 621         getAsyncRPCQueue()->addWorker();
 622 */
 623     return true;
 624 }
 625
 626 void InterruptRPC()
 627 {
 628     LogPrint("rpc", "Interrupting RPC\n");
 629     // Interrupt e.g. running longpolls
 630     fRPCRunning = false;
 631 }
 632
 633 void StopRPC()
 634 {
 635     LogPrint("rpc", "Stopping RPC\n");
 636     deadlineTimers.clear();
 637     g_rpcSignals.Stopped();
 638
 639     // Tells async queue to cancel all operations and shutdown.
 640     LogPrintf("%s: waiting for async rpc workers to stop\n", __func__);
 641     getAsyncRPCQueue()->closeAndWait();
 642 }
 643
 644 bool IsRPCRunning()
 645 {
 646     return fRPCRunning;
 647 }
 648
 649 void SetRPCWarmupStatus(const std::string& newStatus)
 650 {
 651     LOCK(cs_rpcWarmup);
 652     rpcWarmupStatus = newStatus;
 653 }
 654
 655 void SetRPCWarmupFinished()
 656 {
 657     LOCK(cs_rpcWarmup);
 658     assert(fRPCInWarmup);
 659     fRPCInWarmup = false;
 660 }
 661
 662 bool RPCIsInWarmup(std::string *outStatus)
 663 {
 664     LOCK(cs_rpcWarmup);
 665     if (outStatus)
 666         *outStatus = rpcWarmupStatus;
 667     return fRPCInWarmup;
 668 }
 669
 670 void JSONRequest::parse(const UniValue& valRequest)
 671 {
 672     // Parse request
 673     if (!valRequest.isObject())
 674         throw JSONRPCError(RPC_INVALID_REQUEST, "Invalid Request object");
 675     const UniValue& request = valRequest.get_obj();
 676
 677     // Parse id now so errors from here on will have the id
 678     id = find_value(request, "id");
 679
 680     // Parse method
 681     UniValue valMethod = find_value(request, "method");
 682     if (valMethod.isNull())
 683         throw JSONRPCError(RPC_INVALID_REQUEST, "Missing method");
 684     if (!valMethod.isStr())
 685         throw JSONRPCError(RPC_INVALID_REQUEST, "Method must be a string");
 686     strMethod = valMethod.get_str();
 687     if (strMethod != "getblocktemplate")
 688         LogPrint("rpc", "ThreadRPCServer method=%s\n", SanitizeString(strMethod));
 689
 690     // Parse params
 691     UniValue valParams = find_value(request, "params");
 692     if (valParams.isArray())
 693         params = valParams.get_array();
 694     else if (valParams.isNull())
 695         params = UniValue(UniValue::VARR);
 696     else
 697         throw JSONRPCError(RPC_INVALID_REQUEST, "Params must be an array");
 698 }
 699
 700 static UniValue JSONRPCExecOne(const UniValue& req)
 701 {
 702     UniValue rpc_result(UniValue::VOBJ);
 703
 704     JSONRequest jreq;
 705     try {
 706         jreq.parse(req);
 707
 708         UniValue result = tableRPC.execute(jreq.strMethod, jreq.params);
 709         rpc_result = JSONRPCReplyObj(result, NullUniValue, jreq.id);
 710     }
 711     catch (const UniValue& objError)
 712     {
 713         rpc_result = JSONRPCReplyObj(NullUniValue, objError, jreq.id);
 714     }
 715     catch (const std::exception& e)
 716     {
 717         rpc_result = JSONRPCReplyObj(NullUniValue,
 718                                      JSONRPCError(RPC_PARSE_ERROR, e.what()), jreq.id);
 719     }
 720
 721     return rpc_result;
 722 }
 723
 724 std::string JSONRPCExecBatch(const UniValue& vReq)
 725 {
 726     UniValue ret(UniValue::VARR);
 727     for (size_t reqIdx = 0; reqIdx < vReq.size(); reqIdx++)
 728         ret.push_back(JSONRPCExecOne(vReq[reqIdx]));
 729
 730     return ret.write() + "\n";
 731 }
 732
 733 UniValue CRPCTable::execute(const std::string &strMethod, const UniValue &params) const
 734 {
 735     // Return immediately if in warmup
 736     {
 737         LOCK(cs_rpcWarmup);
 738         if (fRPCInWarmup)
 739             throw JSONRPCError(RPC_IN_WARMUP, rpcWarmupStatus);
 740     }
 741
 742 /*<<<<<<< HEA
 743     if (!HTTPAuthorized(mapHeaders))
 744     {
 745         LogPrintf("ThreadRPCServer incorrect password attempt from %s\n", conn->peer_address_to_string());
 746         //Deter brute-forcing  We don't support exposing the RPC port, so this shouldn't result in a DoS.
 747         MilliSleep(250);
 748
 749         conn->stream() << HTTPError(HTTP_UNAUTHORIZED, false) << std::flush;
 750         return false;
 751     }
 752     JSONRequest jreq;
 753     try
 754     {
 755         // Parse request
 756         Value valRequest;
 757         if (!read_string(strRequest, valRequest))
 758         {
 759             fprintf(stderr,"CANTPARSE.(%s)\n",strRequest.c_str());
 760             throw JSONRPCError(RPC_PARSE_ERROR, "Parse error");
 761         }
 762         // Return immediately if in warmup
 763         {
 764             LOCK(cs_rpcWarmup);
 765             if (fRPCInWarmup)
 766                 throw JSONRPCError(RPC_IN_WARMUP, rpcWarmupStatus);
 767         }
 768
 769         string strReply;
 770
 771         // singleton request
 772         if (valRequest.type() == obj_type) {
 773             jreq.parse(valRequest);
 774
 775             Value result = tableRPC.execute(jreq.strMethod, jreq.params);
 776
 777             // Send reply
 778             strReply = JSONRPCReply(result, Value::null, jreq.id);
 779
 780         // array of requests
 781         } else if (valRequest.type() == array_type)
 782             strReply = JSONRPCExecBatch(valRequest.get_array());
 783         else
 784             throw JSONRPCError(RPC_PARSE_ERROR, "Top-level object parse error");
 785
 786         conn->stream() << HTTPReplyHeader(HTTP_OK, fRun, strReply.size()) << strReply << std::flush;
 787     }
 788     catch (const Object& objError)
 789     {
 790         ErrorReply(conn->stream(), objError, jreq.id);
 791         return false;
 792     }
 793     catch (const std::exception& e)
 794     {
 795         ErrorReply(conn->stream(), JSONRPCError(RPC_PARSE_ERROR, e.what()), jreq.id);
 796         return false;
 797     }
 798     return true;
 799 }
 800
 801 void ServiceConnection(AcceptedConnection *conn)
 802 {
 803     bool fRun = true;
 804     while (fRun && !ShutdownRequested())
 805     {
 806         int nProto = 0;
 807         map<string, string> mapHeaders;
 808         string strRequest, strMethod, strURI;
 809
 810         // Read HTTP request line
 811         if (!ReadHTTPRequestLine(conn->stream(), nProto, strMethod, strURI))
 812             break;
 813
 814         // Read HTTP message headers and body
 815         ReadHTTPMessage(conn->stream(), mapHeaders, strRequest, nProto, MAX_SIZE);
 816
 817         // TODO #1856: Re-enable support for persistent connections.
 818         // We have disabled support for HTTP Keep-Alive until resolution of #1680, upstream rpc deadlock.
 819         // Close connection immediately.
 820         fRun = false;
 821
 822         // HTTP Keep-Alive is false; close connection immediately
 823         //if ((mapHeaders["connection"] == "close") || (!GetBoolArg("-rpckeepalive", true)))
 824         //    fRun = false;
 825
 826
 827         // Process via JSON-RPC API
 828         if (strURI == "/") {
 829             if (!HTTPReq_JSONRPC(conn, strRequest, mapHeaders, fRun))
 830                 break;
 831
 832         // Process via HTTP REST API
 833         } else if (strURI.substr(0, 6) == "/rest/" && GetBoolArg("-rest", false)) {
 834             if (!HTTPReq_REST(conn, strURI, strRequest, mapHeaders, fRun))
 835                 break;
 836
 837         } else {
 838             conn->stream() << HTTPError(HTTP_NOT_FOUND, false) << std::flush;
 839             break;
 840         }
 841     }
 842 }
 843
 844 json_spirit::Value CRPCTable::execute(const std::string &strMethod, const json_spirit::Array &params) const
 845 {
 846 =======
 847 >>>>>>> zcash/master*/
 848     // Find method
 849     const CRPCCommand *pcmd = tableRPC[strMethod];
 850     if (!pcmd)
 851         throw JSONRPCError(RPC_METHOD_NOT_FOUND, "Method not found");
 852
 853     g_rpcSignals.PreCommand(*pcmd);
 854
 855     try
 856     {
 857         // Execute
 858         return pcmd->actor(params, false);
 859     }
 860     catch (const std::exception& e)
 861     {
 862         throw JSONRPCError(RPC_MISC_ERROR, e.what());
 863     }
 864
 865     g_rpcSignals.PostCommand(*pcmd);
 866 }
 867
 868 std::string HelpExampleCli(const std::string& methodname, const std::string& args)
 869 {
 870     return "> zcash-cli " + methodname + " " + args + "\n";
 871 }
 872
 873 std::string HelpExampleRpc(const std::string& methodname, const std::string& args)
 874 {
 875     return "> curl --user myusername --data-binary '{\"jsonrpc\": \"1.0\", \"id\":\"curltest\", "
 876         "\"method\": \"" + methodname + "\", \"params\": [" + args + "] }' -H 'content-type: text/plain;' http://127.0.0.1:8232/\n";
 877 }
 878
 879 void RPCRegisterTimerInterface(RPCTimerInterface *iface)
 880 {
 881     timerInterfaces.push_back(iface);
 882 }
 883
 884 void RPCUnregisterTimerInterface(RPCTimerInterface *iface)
 885 {
 886     std::vector<RPCTimerInterface*>::iterator i = std::find(timerInterfaces.begin(), timerInterfaces.end(), iface);
 887     assert(i != timerInterfaces.end());
 888     timerInterfaces.erase(i);
 889 }
 890
 891 void RPCRunLater(const std::string& name, boost::function<void(void)> func, int64_t nSeconds)
 892 {
 893     if (timerInterfaces.empty())
 894         throw JSONRPCError(RPC_INTERNAL_ERROR, "No timer handler registered for RPC");
 895     deadlineTimers.erase(name);
 896     RPCTimerInterface* timerInterface = timerInterfaces[0];
 897     LogPrint("rpc", "queue run of timer %s in %i seconds (using %s)\n", name, nSeconds, timerInterface->Name());
 898     deadlineTimers.insert(std::make_pair(name, boost::shared_ptr<RPCTimerBase>(timerInterface->NewTimer(func, nSeconds*1000))));
 899 }
 900
 901 const CRPCTable tableRPC;
 902
 903 // Return async rpc queue
 904 std::shared_ptr<AsyncRPCQueue> getAsyncRPCQueue()
 905 {
 906     return AsyncRPCQueue::sharedInstance();
 907 }