src/rpc.cpp

   1 // Copyright (c) 2010 Satoshi Nakamoto
   2 // Distributed under the MIT/X11 software license, see the accompanying
   3 // file license.txt or http://www.opensource.org/licenses/mit-license.php.
   4
   5 #include "headers.h"
   6 #include "cryptopp/sha.h"
   7 #include "db.h"
   8 #include "net.h"
   9 #include "init.h"
  10 #undef printf
  11 #include <boost/asio.hpp>
  12 #include <boost/iostreams/concepts.hpp>
  13 #include <boost/iostreams/stream.hpp>
  14 #include <boost/algorithm/string.hpp>
  15 #ifdef USE_SSL
  16 #include <boost/asio/ssl.hpp>
  17 #include <boost/filesystem.hpp>
  18 #include <boost/filesystem/fstream.hpp>
  19 typedef boost::asio::ssl::stream<boost::asio::ip::tcp::socket> SSLStream;
  20 #endif
  21 #include "json/json_spirit_reader_template.h"
  22 #include "json/json_spirit_writer_template.h"
  23 #include "json/json_spirit_utils.h"
  24 #define printf OutputDebugStringF
  25 // MinGW 3.4.5 gets "fatal error: had to relocate PCH" if the json headers are
  26 // precompiled in headers.h.  The problem might be when the pch file goes over
  27 // a certain size around 145MB.  If we need access to json_spirit outside this
  28 // file, we could use the compiled json_spirit option.
  29
  30 using namespace std;
  31 using namespace boost;
  32 using namespace boost::asio;
  33 using namespace json_spirit;
  34
  35 void ThreadRPCServer2(void* parg);
  36 typedef Value(*rpcfn_type)(const Array& params, bool fHelp);
  37 extern map<string, rpcfn_type> mapCallTable;
  38
  39
  40 Object JSONRPCError(int code, const string& message)
  41 {
  42     Object error;
  43     error.push_back(Pair("code", code));
  44     error.push_back(Pair("message", message));
  45     return error;
  46 }
  47
  48
  49 void PrintConsole(const char* format, ...)
  50 {
  51     char buffer[50000];
  52     int limit = sizeof(buffer);
  53     va_list arg_ptr;
  54     va_start(arg_ptr, format);
  55     int ret = _vsnprintf(buffer, limit, format, arg_ptr);
  56     va_end(arg_ptr);
  57     if (ret < 0 || ret >= limit)
  58     {
  59         ret = limit - 1;
  60         buffer[limit-1] = 0;
  61     }
  62     printf("%s", buffer);
  63 #if defined(__WXMSW__) && defined(GUI)
  64     MyMessageBox(buffer, "Bitcoin", wxOK | wxICON_EXCLAMATION);
  65 #else
  66     fprintf(stdout, "%s", buffer);
  67 #endif
  68 }
  69
  70
  71 int64 AmountFromValue(const Value& value)
  72 {
  73     double dAmount = value.get_real();
  74     if (dAmount <= 0.0 || dAmount > MAX_MONEY)
  75         throw JSONRPCError(-3, "Invalid amount");
  76     int64 nAmount = roundint64(dAmount * COIN);
  77     if (!MoneyRange(nAmount))
  78         throw JSONRPCError(-3, "Invalid amount");
  79     return nAmount;
  80 }
  81
  82 Value ValueFromAmount(int64 amount)
  83 {
  84     return (double)amount / (double)COIN;
  85 }
  86
  87 void WalletTxToJSON(const CWalletTx& wtx, Object& entry)
  88 {
  89     entry.push_back(Pair("confirmations", wtx.GetDepthInMainChain()));
  90     entry.push_back(Pair("txid", wtx.GetHash().GetHex()));
  91     entry.push_back(Pair("time", (boost::int64_t)wtx.GetTxTime()));
  92     BOOST_FOREACH(const PAIRTYPE(string,string)& item, wtx.mapValue)
  93         entry.push_back(Pair(item.first, item.second));
  94 }
  95
  96 string AccountFromValue(const Value& value)
  97 {
  98     string strAccount = value.get_str();
  99     if (strAccount == "*")
 100         throw JSONRPCError(-11, "Invalid account name");
 101     return strAccount;
 102 }
 103
 104
 105
 106 ///
 107 /// Note: This interface may still be subject to change.
 108 ///
 109
 110
 111 Value help(const Array& params, bool fHelp)
 112 {
 113     if (fHelp || params.size() > 1)
 114         throw runtime_error(
 115             "help [command]\n"
 116             "List commands, or get help for a command.");
 117
 118     string strCommand;
 119     if (params.size() > 0)
 120         strCommand = params[0].get_str();
 121
 122     string strRet;
 123     set<rpcfn_type> setDone;
 124     for (map<string, rpcfn_type>::iterator mi = mapCallTable.begin(); mi != mapCallTable.end(); ++mi)
 125     {
 126         string strMethod = (*mi).first;
 127         // We already filter duplicates, but these deprecated screw up the sort order
 128         if (strMethod == "getamountreceived" ||
 129             strMethod == "getallreceived" ||
 130             (strMethod.find("label") != string::npos))
 131             continue;
 132         if (strCommand != "" && strMethod != strCommand)
 133             continue;
 134         try
 135         {
 136             Array params;
 137             rpcfn_type pfn = (*mi).second;
 138             if (setDone.insert(pfn).second)
 139                 (*pfn)(params, true);
 140         }
 141         catch (std::exception& e)
 142         {
 143             // Help text is returned in an exception
 144             string strHelp = string(e.what());
 145             if (strCommand == "")
 146                 if (strHelp.find('\n') != -1)
 147                     strHelp = strHelp.substr(0, strHelp.find('\n'));
 148             strRet += strHelp + "\n";
 149         }
 150     }
 151     if (strRet == "")
 152         strRet = strprintf("help: unknown command: %s\n", strCommand.c_str());
 153     strRet = strRet.substr(0,strRet.size()-1);
 154     return strRet;
 155 }
 156
 157
 158 Value stop(const Array& params, bool fHelp)
 159 {
 160     if (fHelp || params.size() != 0)
 161         throw runtime_error(
 162             "stop\n"
 163             "Stop bitcoin server.");
 164
 165     // Shutdown will take long enough that the response should get back
 166     CreateThread(Shutdown, NULL);
 167     return "bitcoin server stopping";
 168 }
 169
 170
 171 Value getblockcount(const Array& params, bool fHelp)
 172 {
 173     if (fHelp || params.size() != 0)
 174         throw runtime_error(
 175             "getblockcount\n"
 176             "Returns the number of blocks in the longest block chain.");
 177
 178     return nBestHeight;
 179 }
 180
 181
 182 Value getblocknumber(const Array& params, bool fHelp)
 183 {
 184     if (fHelp || params.size() != 0)
 185         throw runtime_error(
 186             "getblocknumber\n"
 187             "Returns the block number of the latest block in the longest block chain.");
 188
 189     return nBestHeight;
 190 }
 191
 192
 193 Value getconnectioncount(const Array& params, bool fHelp)
 194 {
 195     if (fHelp || params.size() != 0)
 196         throw runtime_error(
 197             "getconnectioncount\n"
 198             "Returns the number of connections to other nodes.");
 199
 200     return (int)vNodes.size();
 201 }
 202
 203
 204 double GetDifficulty()
 205 {
 206     // Floating point number that is a multiple of the minimum difficulty,
 207     // minimum difficulty = 1.0.
 208
 209     if (pindexBest == NULL)
 210         return 1.0;
 211     int nShift = (pindexBest->nBits >> 24) & 0xff;
 212
 213     double dDiff =
 214         (double)0x0000ffff / (double)(pindexBest->nBits & 0x00ffffff);
 215
 216     while (nShift < 29)
 217     {
 218         dDiff *= 256.0;
 219         nShift++;
 220     }
 221     while (nShift > 29)
 222     {
 223         dDiff /= 256.0;
 224         nShift--;
 225     }
 226
 227     return dDiff;
 228 }
 229
 230 Value getdifficulty(const Array& params, bool fHelp)
 231 {
 232     if (fHelp || params.size() != 0)
 233         throw runtime_error(
 234             "getdifficulty\n"
 235             "Returns the proof-of-work difficulty as a multiple of the minimum difficulty.");
 236
 237     return GetDifficulty();
 238 }
 239
 240
 241 Value getgenerate(const Array& params, bool fHelp)
 242 {
 243     if (fHelp || params.size() != 0)
 244         throw runtime_error(
 245             "getgenerate\n"
 246             "Returns true or false.");
 247
 248     return (bool)fGenerateBitcoins;
 249 }
 250
 251
 252 Value setgenerate(const Array& params, bool fHelp)
 253 {
 254     if (fHelp || params.size() < 1 || params.size() > 2)
 255         throw runtime_error(
 256             "setgenerate <generate> [genproclimit]\n"
 257             "<generate> is true or false to turn generation on or off.\n"
 258             "Generation is limited to [genproclimit] processors, -1 is unlimited.");
 259
 260     bool fGenerate = true;
 261     if (params.size() > 0)
 262         fGenerate = params[0].get_bool();
 263
 264     if (params.size() > 1)
 265     {
 266         int nGenProcLimit = params[1].get_int();
 267         fLimitProcessors = (nGenProcLimit != -1);
 268         WriteSetting("fLimitProcessors", fLimitProcessors);
 269         if (nGenProcLimit != -1)
 270             WriteSetting("nLimitProcessors", nLimitProcessors = nGenProcLimit);
 271         if (nGenProcLimit == 0)
 272             fGenerate = false;
 273     }
 274
 275     GenerateBitcoins(fGenerate, pwalletMain);
 276     return Value::null;
 277 }
 278
 279
 280 Value gethashespersec(const Array& params, bool fHelp)
 281 {
 282     if (fHelp || params.size() != 0)
 283         throw runtime_error(
 284             "gethashespersec\n"
 285             "Returns a recent hashes per second performance measurement while generating.");
 286
 287     if (GetTimeMillis() - nHPSTimerStart > 8000)
 288         return (boost::int64_t)0;
 289     return (boost::int64_t)dHashesPerSec;
 290 }
 291
 292
 293 Value getinfo(const Array& params, bool fHelp)
 294 {
 295     if (fHelp || params.size() != 0)
 296         throw runtime_error(
 297             "getinfo\n"
 298             "Returns an object containing various state info.");
 299
 300     Object obj;
 301     obj.push_back(Pair("version",       (int)VERSION));
 302     obj.push_back(Pair("balance",       ValueFromAmount(pwalletMain->GetBalance())));
 303     obj.push_back(Pair("blocks",        (int)nBestHeight));
 304     obj.push_back(Pair("connections",   (int)vNodes.size()));
 305     obj.push_back(Pair("proxy",         (fUseProxy ? addrProxy.ToStringIPPort() : string())));
 306     obj.push_back(Pair("generate",      (bool)fGenerateBitcoins));
 307     obj.push_back(Pair("genproclimit",  (int)(fLimitProcessors ? nLimitProcessors : -1)));
 308     obj.push_back(Pair("difficulty",    (double)GetDifficulty()));
 309     obj.push_back(Pair("hashespersec",  gethashespersec(params, false)));
 310     obj.push_back(Pair("testnet",       fTestNet));
 311     obj.push_back(Pair("keypoololdest", (boost::int64_t)pwalletMain->GetOldestKeyPoolTime()));
 312     obj.push_back(Pair("paytxfee",      ValueFromAmount(nTransactionFee)));
 313     obj.push_back(Pair("errors",        GetWarnings("statusbar")));
 314     return obj;
 315 }
 316
 317
 318 Value getnewaddress(const Array& params, bool fHelp)
 319 {
 320     if (fHelp || params.size() > 1)
 321         throw runtime_error(
 322             "getnewaddress [account]\n"
 323             "Returns a new bitcoin address for receiving payments.  "
 324             "If [account] is specified (recommended), it is added to the address book "
 325             "so payments received with the address will be credited to [account].");
 326
 327     // Parse the account first so we don't generate a key if there's an error
 328     string strAccount;
 329     if (params.size() > 0)
 330         strAccount = AccountFromValue(params[0]);
 331
 332     // Generate a new key that is added to wallet
 333     string strAddress = PubKeyToAddress(pwalletMain->GetKeyFromKeyPool());
 334
 335     // This could be done in the same main CS as GetKeyFromKeyPool.
 336     CRITICAL_BLOCK(pwalletMain->cs_mapAddressBook)
 337        pwalletMain->SetAddressBookName(strAddress, strAccount);
 338
 339     return strAddress;
 340 }
 341
 342
 343 // requires cs_main, cs_mapWallet, cs_mapAddressBook locks
 344 string GetAccountAddress(string strAccount, bool bForceNew=false)
 345 {
 346     string strAddress;
 347
 348     CWalletDB walletdb(pwalletMain->strWalletFile);
 349     walletdb.TxnBegin();
 350
 351     CAccount account;
 352     walletdb.ReadAccount(strAccount, account);
 353
 354     // Check if the current key has been used
 355     if (!account.vchPubKey.empty())
 356     {
 357         CScript scriptPubKey;
 358         scriptPubKey.SetBitcoinAddress(account.vchPubKey);
 359         for (map<uint256, CWalletTx>::iterator it = pwalletMain->mapWallet.begin();
 360              it != pwalletMain->mapWallet.end() && !account.vchPubKey.empty();
 361              ++it)
 362         {
 363             const CWalletTx& wtx = (*it).second;
 364             BOOST_FOREACH(const CTxOut& txout, wtx.vout)
 365                 if (txout.scriptPubKey == scriptPubKey)
 366                     account.vchPubKey.clear();
 367         }
 368     }
 369
 370     // Generate a new key
 371     if (account.vchPubKey.empty() || bForceNew)
 372     {
 373         account.vchPubKey = pwalletMain->GetKeyFromKeyPool();
 374         string strAddress = PubKeyToAddress(account.vchPubKey);
 375         pwalletMain->SetAddressBookName(strAddress, strAccount);
 376         walletdb.WriteAccount(strAccount, account);
 377     }
 378
 379     walletdb.TxnCommit();
 380     strAddress = PubKeyToAddress(account.vchPubKey);
 381
 382     return strAddress;
 383 }
 384
 385 Value getaccountaddress(const Array& params, bool fHelp)
 386 {
 387     if (fHelp || params.size() != 1)
 388         throw runtime_error(
 389             "getaccountaddress <account>\n"
 390             "Returns the current bitcoin address for receiving payments to this account.");
 391
 392     // Parse the account first so we don't generate a key if there's an error
 393     string strAccount = AccountFromValue(params[0]);
 394
 395     Value ret;
 396
 397     CRITICAL_BLOCK(cs_main)
 398     CRITICAL_BLOCK(pwalletMain->cs_mapWallet)
 399     CRITICAL_BLOCK(pwalletMain->cs_mapAddressBook)
 400     {
 401         ret = GetAccountAddress(strAccount);
 402     }
 403
 404     return ret;
 405 }
 406
 407
 408
 409 Value setaccount(const Array& params, bool fHelp)
 410 {
 411     if (fHelp || params.size() < 1 || params.size() > 2)
 412         throw runtime_error(
 413             "setaccount <bitcoinaddress> <account>\n"
 414             "Sets the account associated with the given address.");
 415
 416     string strAddress = params[0].get_str();
 417     uint160 hash160;
 418     bool isValid = AddressToHash160(strAddress, hash160);
 419     if (!isValid)
 420         throw JSONRPCError(-5, "Invalid bitcoin address");
 421
 422
 423     string strAccount;
 424     if (params.size() > 1)
 425         strAccount = AccountFromValue(params[1]);
 426
 427     // Detect when changing the account of an address that is the 'unused current key' of another account:
 428     CRITICAL_BLOCK(cs_main)
 429     CRITICAL_BLOCK(pwalletMain->cs_mapWallet)
 430     CRITICAL_BLOCK(pwalletMain->cs_mapAddressBook)
 431     {
 432         if (pwalletMain->mapAddressBook.count(strAddress))
 433         {
 434             string strOldAccount = pwalletMain->mapAddressBook[strAddress];
 435             if (strAddress == GetAccountAddress(strOldAccount))
 436                 GetAccountAddress(strOldAccount, true);
 437         }
 438
 439         pwalletMain->SetAddressBookName(strAddress, strAccount);
 440     }
 441
 442     return Value::null;
 443 }
 444
 445
 446 Value getaccount(const Array& params, bool fHelp)
 447 {
 448     if (fHelp || params.size() != 1)
 449         throw runtime_error(
 450             "getaccount <bitcoinaddress>\n"
 451             "Returns the account associated with the given address.");
 452
 453     string strAddress = params[0].get_str();
 454
 455     string strAccount;
 456     CRITICAL_BLOCK(pwalletMain->cs_mapAddressBook)
 457     {
 458         map<string, string>::iterator mi = pwalletMain->mapAddressBook.find(strAddress);
 459         if (mi != pwalletMain->mapAddressBook.end() && !(*mi).second.empty())
 460             strAccount = (*mi).second;
 461     }
 462     return strAccount;
 463 }
 464
 465
 466 Value getaddressesbyaccount(const Array& params, bool fHelp)
 467 {
 468     if (fHelp || params.size() != 1)
 469         throw runtime_error(
 470             "getaddressesbyaccount <account>\n"
 471             "Returns the list of addresses for the given account.");
 472
 473     string strAccount = AccountFromValue(params[0]);
 474
 475     // Find all addresses that have the given account
 476     Array ret;
 477     CRITICAL_BLOCK(pwalletMain->cs_mapAddressBook)
 478     {
 479         BOOST_FOREACH(const PAIRTYPE(string, string)& item, pwalletMain->mapAddressBook)
 480         {
 481             const string& strAddress = item.first;
 482             const string& strName = item.second;
 483             if (strName == strAccount)
 484             {
 485                 // We're only adding valid bitcoin addresses and not ip addresses
 486                 CScript scriptPubKey;
 487                 if (scriptPubKey.SetBitcoinAddress(strAddress))
 488                     ret.push_back(strAddress);
 489             }
 490         }
 491     }
 492     return ret;
 493 }
 494
 495 Value settxfee(const Array& params, bool fHelp)
 496 {
 497     if (fHelp || params.size() < 1 || params.size() > 1)
 498         throw runtime_error(
 499             "settxfee <amount>\n"
 500             "<amount> is a real and is rounded to the nearest 0.0001\n"
 501             "Minimum and default transaction fee is 1 coin");
 502
 503     // Amount
 504     int64 nAmount = MIN_TX_FEE;
 505     if (params[0].get_real() != 0.0)                    // rejects 0.0 amounts
 506         nAmount = max(nAmount, AmountFromValue(params[0]));
 507
 508     nTransactionFee = nAmount;
 509     return true;
 510 }
 511
 512 Value sendtoaddress(const Array& params, bool fHelp)
 513 {
 514     if (fHelp || params.size() < 2 || params.size() > 4)
 515         throw runtime_error(
 516             "sendtoaddress <bitcoinaddress> <amount> [comment] [comment-to]\n"
 517             "<amount> is a real and is rounded to the nearest 0.00000001");
 518
 519     string strAddress = params[0].get_str();
 520
 521     // Amount
 522     int64 nAmount = AmountFromValue(params[1]);
 523
 524     // Wallet comments
 525     CWalletTx wtx;
 526     if (params.size() > 2 && params[2].type() != null_type && !params[2].get_str().empty())
 527         wtx.mapValue["comment"] = params[2].get_str();
 528     if (params.size() > 3 && params[3].type() != null_type && !params[3].get_str().empty())
 529         wtx.mapValue["to"]      = params[3].get_str();
 530
 531     CRITICAL_BLOCK(cs_main)
 532     {
 533         string strError = pwalletMain->SendMoneyToBitcoinAddress(strAddress, nAmount, wtx);
 534         if (strError != "")
 535             throw JSONRPCError(-4, strError);
 536     }
 537
 538     return wtx.GetHash().GetHex();
 539 }
 540
 541
 542 Value getreceivedbyaddress(const Array& params, bool fHelp)
 543 {
 544     if (fHelp || params.size() < 1 || params.size() > 2)
 545         throw runtime_error(
 546             "getreceivedbyaddress <bitcoinaddress> [minconf=1]\n"
 547             "Returns the total amount received by <bitcoinaddress> in transactions with at least [minconf] confirmations.");
 548
 549     // Bitcoin address
 550     string strAddress = params[0].get_str();
 551     CScript scriptPubKey;
 552     if (!scriptPubKey.SetBitcoinAddress(strAddress))
 553         throw JSONRPCError(-5, "Invalid bitcoin address");
 554     if (!IsMine(*pwalletMain,scriptPubKey))
 555         return (double)0.0;
 556
 557     // Minimum confirmations
 558     int nMinDepth = 1;
 559     if (params.size() > 1)
 560         nMinDepth = params[1].get_int();
 561
 562     // Tally
 563     int64 nAmount = 0;
 564     CRITICAL_BLOCK(pwalletMain->cs_mapWallet)
 565     {
 566         for (map<uint256, CWalletTx>::iterator it = pwalletMain->mapWallet.begin(); it != pwalletMain->mapWallet.end(); ++it)
 567         {
 568             const CWalletTx& wtx = (*it).second;
 569             if (wtx.IsCoinBase() || !wtx.IsFinal())
 570                 continue;
 571
 572             BOOST_FOREACH(const CTxOut& txout, wtx.vout)
 573                 if (txout.scriptPubKey == scriptPubKey)
 574                     if (wtx.GetDepthInMainChain() >= nMinDepth)
 575                         nAmount += txout.nValue;
 576         }
 577     }
 578
 579     return  ValueFromAmount(nAmount);
 580 }
 581
 582
 583 void GetAccountPubKeys(string strAccount, set<CScript>& setPubKey)
 584 {
 585     CRITICAL_BLOCK(pwalletMain->cs_mapAddressBook)
 586     {
 587         BOOST_FOREACH(const PAIRTYPE(string, string)& item, pwalletMain->mapAddressBook)
 588         {
 589             const string& strAddress = item.first;
 590             const string& strName = item.second;
 591             if (strName == strAccount)
 592             {
 593                 // We're only counting our own valid bitcoin addresses and not ip addresses
 594                 CScript scriptPubKey;
 595                 if (scriptPubKey.SetBitcoinAddress(strAddress))
 596                     if (IsMine(*pwalletMain,scriptPubKey))
 597                         setPubKey.insert(scriptPubKey);
 598             }
 599         }
 600     }
 601 }
 602
 603
 604 Value getreceivedbyaccount(const Array& params, bool fHelp)
 605 {
 606     if (fHelp || params.size() < 1 || params.size() > 2)
 607         throw runtime_error(
 608             "getreceivedbyaccount <account> [minconf=1]\n"
 609             "Returns the total amount received by addresses with <account> in transactions with at least [minconf] confirmations.");
 610
 611     // Minimum confirmations
 612     int nMinDepth = 1;
 613     if (params.size() > 1)
 614         nMinDepth = params[1].get_int();
 615
 616     // Get the set of pub keys that have the label
 617     string strAccount = AccountFromValue(params[0]);
 618     set<CScript> setPubKey;
 619     GetAccountPubKeys(strAccount, setPubKey);
 620
 621     // Tally
 622     int64 nAmount = 0;
 623     CRITICAL_BLOCK(pwalletMain->cs_mapWallet)
 624     {
 625         for (map<uint256, CWalletTx>::iterator it = pwalletMain->mapWallet.begin(); it != pwalletMain->mapWallet.end(); ++it)
 626         {
 627             const CWalletTx& wtx = (*it).second;
 628             if (wtx.IsCoinBase() || !wtx.IsFinal())
 629                 continue;
 630
 631             BOOST_FOREACH(const CTxOut& txout, wtx.vout)
 632                 if (setPubKey.count(txout.scriptPubKey))
 633                     if (wtx.GetDepthInMainChain() >= nMinDepth)
 634                         nAmount += txout.nValue;
 635         }
 636     }
 637
 638     return (double)nAmount / (double)COIN;
 639 }
 640
 641
 642 int64 GetAccountBalance(CWalletDB& walletdb, const string& strAccount, int nMinDepth)
 643 {
 644     int64 nBalance = 0;
 645     CRITICAL_BLOCK(pwalletMain->cs_mapWallet)
 646     {
 647         // Tally wallet transactions
 648         for (map<uint256, CWalletTx>::iterator it = pwalletMain->mapWallet.begin(); it != pwalletMain->mapWallet.end(); ++it)
 649         {
 650             const CWalletTx& wtx = (*it).second;
 651             if (!wtx.IsFinal())
 652                 continue;
 653
 654             int64 nGenerated, nReceived, nSent, nFee;
 655             wtx.GetAccountAmounts(strAccount, nGenerated, nReceived, nSent, nFee);
 656
 657             if (nReceived != 0 && wtx.GetDepthInMainChain() >= nMinDepth)
 658                 nBalance += nReceived;
 659             nBalance += nGenerated - nSent - nFee;
 660         }
 661
 662         // Tally internal accounting entries
 663         nBalance += walletdb.GetAccountCreditDebit(strAccount);
 664     }
 665
 666     return nBalance;
 667 }
 668
 669 int64 GetAccountBalance(const string& strAccount, int nMinDepth)
 670 {
 671     CWalletDB walletdb(pwalletMain->strWalletFile);
 672     return GetAccountBalance(walletdb, strAccount, nMinDepth);
 673 }
 674
 675
 676 Value getbalance(const Array& params, bool fHelp)
 677 {
 678     if (fHelp || params.size() < 0 || params.size() > 2)
 679         throw runtime_error(
 680             "getbalance [account] [minconf=1]\n"
 681             "If [account] is not specified, returns the server's total available balance.\n"
 682             "If [account] is specified, returns the balance in the account.");
 683
 684     if (params.size() == 0)
 685         return  ValueFromAmount(pwalletMain->GetBalance());
 686
 687     int nMinDepth = 1;
 688     if (params.size() > 1)
 689         nMinDepth = params[1].get_int();
 690
 691     if (params[0].get_str() == "*") {
 692         // Calculate total balance a different way from GetBalance()
 693         // (GetBalance() sums up all unspent TxOuts)
 694         // getbalance and getbalance '*' should always return the same number.
 695         int64 nBalance = 0;
 696         for (map<uint256, CWalletTx>::iterator it = pwalletMain->mapWallet.begin(); it != pwalletMain->mapWallet.end(); ++it)
 697         {
 698             const CWalletTx& wtx = (*it).second;
 699             if (!wtx.IsFinal())
 700                 continue;
 701
 702             int64 allGeneratedImmature, allGeneratedMature, allFee;
 703             allGeneratedImmature = allGeneratedMature = allFee = 0;
 704             string strSentAccount;
 705             list<pair<string, int64> > listReceived;
 706             list<pair<string, int64> > listSent;
 707             wtx.GetAmounts(allGeneratedImmature, allGeneratedMature, listReceived, listSent, allFee, strSentAccount);
 708             if (wtx.GetDepthInMainChain() >= nMinDepth)
 709                 BOOST_FOREACH(const PAIRTYPE(string,int64)& r, listReceived)
 710                     nBalance += r.second;
 711             BOOST_FOREACH(const PAIRTYPE(string,int64)& r, listSent)
 712                 nBalance -= r.second;
 713             nBalance -= allFee;
 714             nBalance += allGeneratedMature;
 715         }
 716         return  ValueFromAmount(nBalance);
 717     }
 718
 719     string strAccount = AccountFromValue(params[0]);
 720
 721     int64 nBalance = GetAccountBalance(strAccount, nMinDepth);
 722
 723     return ValueFromAmount(nBalance);
 724 }
 725
 726
 727 Value movecmd(const Array& params, bool fHelp)
 728 {
 729     if (fHelp || params.size() < 3 || params.size() > 5)
 730         throw runtime_error(
 731             "move <fromaccount> <toaccount> <amount> [minconf=1] [comment]\n"
 732             "Move from one account in your wallet to another.");
 733
 734     string strFrom = AccountFromValue(params[0]);
 735     string strTo = AccountFromValue(params[1]);
 736     int64 nAmount = AmountFromValue(params[2]);
 737     int nMinDepth = 1;
 738     if (params.size() > 3)
 739         nMinDepth = params[3].get_int();
 740     string strComment;
 741     if (params.size() > 4)
 742         strComment = params[4].get_str();
 743
 744     CRITICAL_BLOCK(pwalletMain->cs_mapWallet)
 745     {
 746         CWalletDB walletdb(pwalletMain->strWalletFile);
 747         walletdb.TxnBegin();
 748
 749         int64 nNow = GetAdjustedTime();
 750
 751         // Debit
 752         CAccountingEntry debit;
 753         debit.strAccount = strFrom;
 754         debit.nCreditDebit = -nAmount;
 755         debit.nTime = nNow;
 756         debit.strOtherAccount = strTo;
 757         debit.strComment = strComment;
 758         walletdb.WriteAccountingEntry(debit);
 759
 760         // Credit
 761         CAccountingEntry credit;
 762         credit.strAccount = strTo;
 763         credit.nCreditDebit = nAmount;
 764         credit.nTime = nNow;
 765         credit.strOtherAccount = strFrom;
 766         credit.strComment = strComment;
 767         walletdb.WriteAccountingEntry(credit);
 768
 769         walletdb.TxnCommit();
 770     }
 771     return true;
 772 }
 773
 774
 775 Value sendfrom(const Array& params, bool fHelp)
 776 {
 777     if (fHelp || params.size() < 3 || params.size() > 6)
 778         throw runtime_error(
 779             "sendfrom <fromaccount> <tobitcoinaddress> <amount> [minconf=1] [comment] [comment-to]\n"
 780             "<amount> is a real and is rounded to the nearest 0.00000001");
 781
 782     string strAccount = AccountFromValue(params[0]);
 783     string strAddress = params[1].get_str();
 784     int64 nAmount = AmountFromValue(params[2]);
 785     int nMinDepth = 1;
 786     if (params.size() > 3)
 787         nMinDepth = params[3].get_int();
 788
 789     CWalletTx wtx;
 790     wtx.strFromAccount = strAccount;
 791     if (params.size() > 4 && params[4].type() != null_type && !params[4].get_str().empty())
 792         wtx.mapValue["comment"] = params[4].get_str();
 793     if (params.size() > 5 && params[5].type() != null_type && !params[5].get_str().empty())
 794         wtx.mapValue["to"]      = params[5].get_str();
 795
 796     CRITICAL_BLOCK(cs_main)
 797     CRITICAL_BLOCK(pwalletMain->cs_mapWallet)
 798     {
 799         // Check funds
 800         int64 nBalance = GetAccountBalance(strAccount, nMinDepth);
 801         if (nAmount > nBalance)
 802             throw JSONRPCError(-6, "Account has insufficient funds");
 803
 804         // Send
 805         string strError = pwalletMain->SendMoneyToBitcoinAddress(strAddress, nAmount, wtx);
 806         if (strError != "")
 807             throw JSONRPCError(-4, strError);
 808     }
 809
 810     return wtx.GetHash().GetHex();
 811 }
 812
 813 Value sendmany(const Array& params, bool fHelp)
 814 {
 815     if (fHelp || params.size() < 2 || params.size() > 4)
 816         throw runtime_error(
 817             "sendmany <fromaccount> {address:amount,...} [minconf=1] [comment]\n"
 818             "amounts are double-precision floating point numbers");
 819
 820     string strAccount = AccountFromValue(params[0]);
 821     Object sendTo = params[1].get_obj();
 822     int nMinDepth = 1;
 823     if (params.size() > 2)
 824         nMinDepth = params[2].get_int();
 825
 826     CWalletTx wtx;
 827     wtx.strFromAccount = strAccount;
 828     if (params.size() > 3 && params[3].type() != null_type && !params[3].get_str().empty())
 829         wtx.mapValue["comment"] = params[3].get_str();
 830
 831     set<string> setAddress;
 832     vector<pair<CScript, int64> > vecSend;
 833
 834     int64 totalAmount = 0;
 835     BOOST_FOREACH(const Pair& s, sendTo)
 836     {
 837         uint160 hash160;
 838         string strAddress = s.name_;
 839
 840         if (setAddress.count(strAddress))
 841             throw JSONRPCError(-8, string("Invalid parameter, duplicated address: ")+strAddress);
 842         setAddress.insert(strAddress);
 843
 844         CScript scriptPubKey;
 845         if (!scriptPubKey.SetBitcoinAddress(strAddress))
 846             throw JSONRPCError(-5, string("Invalid bitcoin address:")+strAddress);
 847         int64 nAmount = AmountFromValue(s.value_);
 848         totalAmount += nAmount;
 849
 850         vecSend.push_back(make_pair(scriptPubKey, nAmount));
 851     }
 852
 853     CRITICAL_BLOCK(cs_main)
 854     CRITICAL_BLOCK(pwalletMain->cs_mapWallet)
 855     {
 856         // Check funds
 857         int64 nBalance = GetAccountBalance(strAccount, nMinDepth);
 858         if (totalAmount > nBalance)
 859             throw JSONRPCError(-6, "Account has insufficient funds");
 860
 861         // Send
 862         CReserveKey keyChange(pwalletMain);
 863         int64 nFeeRequired = 0;
 864         bool fCreated = pwalletMain->CreateTransaction(vecSend, wtx, keyChange, nFeeRequired);
 865         if (!fCreated)
 866         {
 867             if (totalAmount + nFeeRequired > pwalletMain->GetBalance())
 868                 throw JSONRPCError(-6, "Insufficient funds");
 869             throw JSONRPCError(-4, "Transaction creation failed");
 870         }
 871         if (!pwalletMain->CommitTransaction(wtx, keyChange))
 872             throw JSONRPCError(-4, "Transaction commit failed");
 873     }
 874
 875     return wtx.GetHash().GetHex();
 876 }
 877
 878
 879 struct tallyitem
 880 {
 881     int64 nAmount;
 882     int nConf;
 883     tallyitem()
 884     {
 885         nAmount = 0;
 886         nConf = INT_MAX;
 887     }
 888 };
 889
 890 Value ListReceived(const Array& params, bool fByAccounts)
 891 {
 892     // Minimum confirmations
 893     int nMinDepth = 1;
 894     if (params.size() > 0)
 895         nMinDepth = params[0].get_int();
 896
 897     // Whether to include empty accounts
 898     bool fIncludeEmpty = false;
 899     if (params.size() > 1)
 900         fIncludeEmpty = params[1].get_bool();
 901
 902     // Tally
 903     map<uint160, tallyitem> mapTally;
 904     CRITICAL_BLOCK(pwalletMain->cs_mapWallet)
 905     {
 906         for (map<uint256, CWalletTx>::iterator it = pwalletMain->mapWallet.begin(); it != pwalletMain->mapWallet.end(); ++it)
 907         {
 908             const CWalletTx& wtx = (*it).second;
 909             if (wtx.IsCoinBase() || !wtx.IsFinal())
 910                 continue;
 911
 912             int nDepth = wtx.GetDepthInMainChain();
 913             if (nDepth < nMinDepth)
 914                 continue;
 915
 916             BOOST_FOREACH(const CTxOut& txout, wtx.vout)
 917             {
 918                 // Only counting our own bitcoin addresses and not ip addresses
 919                 uint160 hash160 = txout.scriptPubKey.GetBitcoinAddressHash160();
 920                 if (hash160 == 0 || !mapPubKeys.count(hash160)) // IsMine
 921                     continue;
 922
 923                 tallyitem& item = mapTally[hash160];
 924                 item.nAmount += txout.nValue;
 925                 item.nConf = min(item.nConf, nDepth);
 926             }
 927         }
 928     }
 929
 930     // Reply
 931     Array ret;
 932     map<string, tallyitem> mapAccountTally;
 933     CRITICAL_BLOCK(pwalletMain->cs_mapAddressBook)
 934     {
 935         BOOST_FOREACH(const PAIRTYPE(string, string)& item, pwalletMain->mapAddressBook)
 936         {
 937             const string& strAddress = item.first;
 938             const string& strAccount = item.second;
 939             uint160 hash160;
 940             if (!AddressToHash160(strAddress, hash160))
 941                 continue;
 942             map<uint160, tallyitem>::iterator it = mapTally.find(hash160);
 943             if (it == mapTally.end() && !fIncludeEmpty)
 944                 continue;
 945
 946             int64 nAmount = 0;
 947             int nConf = INT_MAX;
 948             if (it != mapTally.end())
 949             {
 950                 nAmount = (*it).second.nAmount;
 951                 nConf = (*it).second.nConf;
 952             }
 953
 954             if (fByAccounts)
 955             {
 956                 tallyitem& item = mapAccountTally[strAccount];
 957                 item.nAmount += nAmount;
 958                 item.nConf = min(item.nConf, nConf);
 959             }
 960             else
 961             {
 962                 Object obj;
 963                 obj.push_back(Pair("address",       strAddress));
 964                 obj.push_back(Pair("account",       strAccount));
 965                 obj.push_back(Pair("label",         strAccount)); // deprecated
 966                 obj.push_back(Pair("amount",        ValueFromAmount(nAmount)));
 967                 obj.push_back(Pair("confirmations", (nConf == INT_MAX ? 0 : nConf)));
 968                 ret.push_back(obj);
 969             }
 970         }
 971     }
 972
 973     if (fByAccounts)
 974     {
 975         for (map<string, tallyitem>::iterator it = mapAccountTally.begin(); it != mapAccountTally.end(); ++it)
 976         {
 977             int64 nAmount = (*it).second.nAmount;
 978             int nConf = (*it).second.nConf;
 979             Object obj;
 980             obj.push_back(Pair("account",       (*it).first));
 981             obj.push_back(Pair("label",         (*it).first)); // deprecated
 982             obj.push_back(Pair("amount",        ValueFromAmount(nAmount)));
 983             obj.push_back(Pair("confirmations", (nConf == INT_MAX ? 0 : nConf)));
 984             ret.push_back(obj);
 985         }
 986     }
 987
 988     return ret;
 989 }
 990
 991 Value listreceivedbyaddress(const Array& params, bool fHelp)
 992 {
 993     if (fHelp || params.size() > 2)
 994         throw runtime_error(
 995             "listreceivedbyaddress [minconf=1] [includeempty=false]\n"
 996             "[minconf] is the minimum number of confirmations before payments are included.\n"
 997             "[includeempty] whether to include addresses that haven't received any payments.\n"
 998             "Returns an array of objects containing:\n"
 999             "  \"address\" : receiving address\n"
1000             "  \"account\" : the account of the receiving address\n"
1001             "  \"amount\" : total amount received by the address\n"
1002             "  \"confirmations\" : number of confirmations of the most recent transaction included");
1003
1004     return ListReceived(params, false);
1005 }
1006
1007 Value listreceivedbyaccount(const Array& params, bool fHelp)
1008 {
1009     if (fHelp || params.size() > 2)
1010         throw runtime_error(
1011             "listreceivedbyaccount [minconf=1] [includeempty=false]\n"
1012             "[minconf] is the minimum number of confirmations before payments are included.\n"
1013             "[includeempty] whether to include accounts that haven't received any payments.\n"
1014             "Returns an array of objects containing:\n"
1015             "  \"account\" : the account of the receiving addresses\n"
1016             "  \"amount\" : total amount received by addresses with this account\n"
1017             "  \"confirmations\" : number of confirmations of the most recent transaction included");
1018
1019     return ListReceived(params, true);
1020 }
1021
1022 void ListTransactions(const CWalletTx& wtx, const string& strAccount, int nMinDepth, bool fLong, Array& ret)
1023 {
1024     int64 nGeneratedImmature, nGeneratedMature, nFee;
1025     string strSentAccount;
1026     list<pair<string, int64> > listReceived;
1027     list<pair<string, int64> > listSent;
1028     wtx.GetAmounts(nGeneratedImmature, nGeneratedMature, listReceived, listSent, nFee, strSentAccount);
1029
1030     bool fAllAccounts = (strAccount == string("*"));
1031
1032     // Generated blocks assigned to account ""
1033     if ((nGeneratedMature+nGeneratedImmature) != 0 && (fAllAccounts || strAccount == ""))
1034     {
1035         Object entry;
1036         entry.push_back(Pair("account", string("")));
1037         if (nGeneratedImmature)
1038         {
1039             entry.push_back(Pair("category", wtx.GetDepthInMainChain() ? "immature" : "orphan"));
1040             entry.push_back(Pair("amount", ValueFromAmount(nGeneratedImmature)));
1041         }
1042         else
1043         {
1044             entry.push_back(Pair("category", "generate"));
1045             entry.push_back(Pair("amount", ValueFromAmount(nGeneratedMature)));
1046         }
1047         if (fLong)
1048             WalletTxToJSON(wtx, entry);
1049         ret.push_back(entry);
1050     }
1051
1052     // Sent
1053     if ((!listSent.empty() || nFee != 0) && (fAllAccounts || strAccount == strSentAccount))
1054     {
1055         BOOST_FOREACH(const PAIRTYPE(string, int64)& s, listSent)
1056         {
1057             Object entry;
1058             entry.push_back(Pair("account", strSentAccount));
1059             entry.push_back(Pair("address", s.first));
1060             entry.push_back(Pair("category", "send"));
1061             entry.push_back(Pair("amount", ValueFromAmount(-s.second)));
1062             entry.push_back(Pair("fee", ValueFromAmount(-nFee)));
1063             if (fLong)
1064                 WalletTxToJSON(wtx, entry);
1065             ret.push_back(entry);
1066         }
1067     }
1068
1069     // Received
1070     if (listReceived.size() > 0 && wtx.GetDepthInMainChain() >= nMinDepth)
1071         CRITICAL_BLOCK(pwalletMain->cs_mapAddressBook)
1072         {
1073             BOOST_FOREACH(const PAIRTYPE(string, int64)& r, listReceived)
1074             {
1075                 string account;
1076                 if (pwalletMain->mapAddressBook.count(r.first))
1077                     account = pwalletMain->mapAddressBook[r.first];
1078                 if (fAllAccounts || (account == strAccount))
1079                 {
1080                     Object entry;
1081                     entry.push_back(Pair("account", account));
1082                     entry.push_back(Pair("address", r.first));
1083                     entry.push_back(Pair("category", "receive"));
1084                     entry.push_back(Pair("amount", ValueFromAmount(r.second)));
1085                     if (fLong)
1086                         WalletTxToJSON(wtx, entry);
1087                     ret.push_back(entry);
1088                 }
1089             }
1090         }
1091
1092 }
1093
1094 void AcentryToJSON(const CAccountingEntry& acentry, const string& strAccount, Array& ret)
1095 {
1096     bool fAllAccounts = (strAccount == string("*"));
1097
1098     if (fAllAccounts || acentry.strAccount == strAccount)
1099     {
1100         Object entry;
1101         entry.push_back(Pair("account", acentry.strAccount));
1102         entry.push_back(Pair("category", "move"));
1103         entry.push_back(Pair("time", (boost::int64_t)acentry.nTime));
1104         entry.push_back(Pair("amount", ValueFromAmount(acentry.nCreditDebit)));
1105         entry.push_back(Pair("otheraccount", acentry.strOtherAccount));
1106         entry.push_back(Pair("comment", acentry.strComment));
1107         ret.push_back(entry);
1108     }
1109 }
1110
1111 Value listtransactions(const Array& params, bool fHelp)
1112 {
1113     if (fHelp || params.size() > 3)
1114         throw runtime_error(
1115             "listtransactions [account] [count=10] [from=0]\n"
1116             "Returns up to [count] most recent transactions skipping the first [from] transactions for account [account].");
1117
1118     string strAccount = "*";
1119     if (params.size() > 0)
1120         strAccount = params[0].get_str();
1121     int nCount = 10;
1122     if (params.size() > 1)
1123         nCount = params[1].get_int();
1124     int nFrom = 0;
1125     if (params.size() > 2)
1126         nFrom = params[2].get_int();
1127
1128     Array ret;
1129     CWalletDB walletdb(pwalletMain->strWalletFile);
1130
1131     CRITICAL_BLOCK(pwalletMain->cs_mapWallet)
1132     {
1133         // Firs: get all CWalletTx and CAccountingEntry into a sorted-by-time multimap:
1134         typedef pair<CWalletTx*, CAccountingEntry*> TxPair;
1135         typedef multimap<int64, TxPair > TxItems;
1136         TxItems txByTime;
1137
1138         for (map<uint256, CWalletTx>::iterator it = pwalletMain->mapWallet.begin(); it != pwalletMain->mapWallet.end(); ++it)
1139         {
1140             CWalletTx* wtx = &((*it).second);
1141             txByTime.insert(make_pair(wtx->GetTxTime(), TxPair(wtx, (CAccountingEntry*)0)));
1142         }
1143         list<CAccountingEntry> acentries;
1144         walletdb.ListAccountCreditDebit(strAccount, acentries);
1145         BOOST_FOREACH(CAccountingEntry& entry, acentries)
1146         {
1147             txByTime.insert(make_pair(entry.nTime, TxPair((CWalletTx*)0, &entry)));
1148         }
1149
1150         // Now: iterate backwards until we have nCount items to return:
1151         TxItems::reverse_iterator it = txByTime.rbegin();
1152         for (std::advance(it, nFrom); it != txByTime.rend(); ++it)
1153         {
1154             CWalletTx *const pwtx = (*it).second.first;
1155             if (pwtx != 0)
1156                 ListTransactions(*pwtx, strAccount, 0, true, ret);
1157             CAccountingEntry *const pacentry = (*it).second.second;
1158             if (pacentry != 0)
1159                 AcentryToJSON(*pacentry, strAccount, ret);
1160
1161             if (ret.size() >= nCount) break;
1162         }
1163         // ret is now newest to oldest
1164     }
1165
1166     // Make sure we return only last nCount items (sends-to-self might give us an extra):
1167     if (ret.size() > nCount)
1168     {
1169         Array::iterator last = ret.begin();
1170         std::advance(last, nCount);
1171         ret.erase(last, ret.end());
1172     }
1173     std::reverse(ret.begin(), ret.end()); // oldest to newest
1174
1175     return ret;
1176 }
1177
1178 Value listaccounts(const Array& params, bool fHelp)
1179 {
1180     if (fHelp || params.size() > 1)
1181         throw runtime_error(
1182             "listaccounts [minconf=1]\n"
1183             "Returns Object that has account names as keys, account balances as values.");
1184
1185     int nMinDepth = 1;
1186     if (params.size() > 0)
1187         nMinDepth = params[0].get_int();
1188
1189     map<string, int64> mapAccountBalances;
1190     CRITICAL_BLOCK(pwalletMain->cs_mapWallet)
1191     CRITICAL_BLOCK(pwalletMain->cs_mapAddressBook)
1192     {
1193         BOOST_FOREACH(const PAIRTYPE(string, string)& entry, pwalletMain->mapAddressBook) {
1194             uint160 hash160;
1195             if(AddressToHash160(entry.first, hash160) && mapPubKeys.count(hash160)) // This address belongs to me
1196                 mapAccountBalances[entry.second] = 0;
1197         }
1198
1199         for (map<uint256, CWalletTx>::iterator it = pwalletMain->mapWallet.begin(); it != pwalletMain->mapWallet.end(); ++it)
1200         {
1201             const CWalletTx& wtx = (*it).second;
1202             int64 nGeneratedImmature, nGeneratedMature, nFee;
1203             string strSentAccount;
1204             list<pair<string, int64> > listReceived;
1205             list<pair<string, int64> > listSent;
1206             wtx.GetAmounts(nGeneratedImmature, nGeneratedMature, listReceived, listSent, nFee, strSentAccount);
1207             mapAccountBalances[strSentAccount] -= nFee;
1208             BOOST_FOREACH(const PAIRTYPE(string, int64)& s, listSent)
1209                 mapAccountBalances[strSentAccount] -= s.second;
1210             if (wtx.GetDepthInMainChain() >= nMinDepth)
1211             {
1212                 mapAccountBalances[""] += nGeneratedMature;
1213                 BOOST_FOREACH(const PAIRTYPE(string, int64)& r, listReceived)
1214                     if (pwalletMain->mapAddressBook.count(r.first))
1215                         mapAccountBalances[pwalletMain->mapAddressBook[r.first]] += r.second;
1216                     else
1217                         mapAccountBalances[""] += r.second;
1218             }
1219         }
1220     }
1221
1222     list<CAccountingEntry> acentries;
1223     CWalletDB(pwalletMain->strWalletFile).ListAccountCreditDebit("*", acentries);
1224     BOOST_FOREACH(const CAccountingEntry& entry, acentries)
1225         mapAccountBalances[entry.strAccount] += entry.nCreditDebit;
1226
1227     Object ret;
1228     BOOST_FOREACH(const PAIRTYPE(string, int64)& accountBalance, mapAccountBalances) {
1229         ret.push_back(Pair(accountBalance.first, ValueFromAmount(accountBalance.second)));
1230     }
1231     return ret;
1232 }
1233
1234 Value gettransaction(const Array& params, bool fHelp)
1235 {
1236     if (fHelp || params.size() != 1)
1237         throw runtime_error(
1238             "gettransaction <txid>\n"
1239             "Get detailed information about <txid>");
1240
1241     uint256 hash;
1242     hash.SetHex(params[0].get_str());
1243
1244     Object entry;
1245     CRITICAL_BLOCK(pwalletMain->cs_mapWallet)
1246     {
1247         if (!pwalletMain->mapWallet.count(hash))
1248             throw JSONRPCError(-5, "Invalid or non-wallet transaction id");
1249         const CWalletTx& wtx = pwalletMain->mapWallet[hash];
1250
1251         int64 nCredit = wtx.GetCredit();
1252         int64 nDebit = wtx.GetDebit();
1253         int64 nNet = nCredit - nDebit;
1254         int64 nFee = (wtx.IsFromMe() ? wtx.GetValueOut() - nDebit : 0);
1255
1256         entry.push_back(Pair("amount", ValueFromAmount(nNet - nFee)));
1257         if (wtx.IsFromMe())
1258             entry.push_back(Pair("fee", ValueFromAmount(nFee)));
1259
1260         WalletTxToJSON(pwalletMain->mapWallet[hash], entry);
1261
1262         Array details;
1263         ListTransactions(pwalletMain->mapWallet[hash], "*", 0, false, details);
1264         entry.push_back(Pair("details", details));
1265     }
1266
1267     return entry;
1268 }
1269
1270
1271 Value backupwallet(const Array& params, bool fHelp)
1272 {
1273     if (fHelp || params.size() != 1)
1274         throw runtime_error(
1275             "backupwallet <destination>\n"
1276             "Safely copies wallet.dat to destination, which can be a directory or a path with filename.");
1277
1278     string strDest = params[0].get_str();
1279     BackupWallet(*pwalletMain, strDest);
1280
1281     return Value::null;
1282 }
1283
1284
1285 Value validateaddress(const Array& params, bool fHelp)
1286 {
1287     if (fHelp || params.size() != 1)
1288         throw runtime_error(
1289             "validateaddress <bitcoinaddress>\n"
1290             "Return information about <bitcoinaddress>.");
1291
1292     string strAddress = params[0].get_str();
1293     uint160 hash160;
1294     bool isValid = AddressToHash160(strAddress, hash160);
1295
1296     Object ret;
1297     ret.push_back(Pair("isvalid", isValid));
1298     if (isValid)
1299     {
1300         // Call Hash160ToAddress() so we always return current ADDRESSVERSION
1301         // version of the address:
1302         string currentAddress = Hash160ToAddress(hash160);
1303         ret.push_back(Pair("address", currentAddress));
1304         ret.push_back(Pair("ismine", (mapPubKeys.count(hash160) > 0)));
1305         CRITICAL_BLOCK(pwalletMain->cs_mapAddressBook)
1306         {
1307             if (pwalletMain->mapAddressBook.count(currentAddress))
1308                 ret.push_back(Pair("account", pwalletMain->mapAddressBook[currentAddress]));
1309         }
1310     }
1311     return ret;
1312 }
1313
1314
1315 Value getwork(const Array& params, bool fHelp)
1316 {
1317     if (fHelp || params.size() > 1)
1318         throw runtime_error(
1319             "getwork [data]\n"
1320             "If [data] is not specified, returns formatted hash data to work on:\n"
1321             "  \"midstate\" : precomputed hash state after hashing the first half of the data\n"
1322             "  \"data\" : block data\n"
1323             "  \"hash1\" : formatted hash buffer for second hash\n"
1324             "  \"target\" : little endian hash target\n"
1325             "If [data] is specified, tries to solve the block and returns true if it was successful.");
1326
1327     if (vNodes.empty())
1328         throw JSONRPCError(-9, "Bitcoin is not connected!");
1329
1330     if (IsInitialBlockDownload())
1331         throw JSONRPCError(-10, "Bitcoin is downloading blocks...");
1332
1333     static map<uint256, pair<CBlock*, unsigned int> > mapNewBlock;
1334     static vector<CBlock*> vNewBlock;
1335     static CReserveKey reservekey(pwalletMain);
1336
1337     if (params.size() == 0)
1338     {
1339         // Update block
1340         static unsigned int nTransactionsUpdatedLast;
1341         static CBlockIndex* pindexPrev;
1342         static int64 nStart;
1343         static CBlock* pblock;
1344         if (pindexPrev != pindexBest ||
1345             (nTransactionsUpdated != nTransactionsUpdatedLast && GetTime() - nStart > 60))
1346         {
1347             if (pindexPrev != pindexBest)
1348             {
1349                 // Deallocate old blocks since they're obsolete now
1350                 mapNewBlock.clear();
1351                 BOOST_FOREACH(CBlock* pblock, vNewBlock)
1352                     delete pblock;
1353                 vNewBlock.clear();
1354             }
1355             nTransactionsUpdatedLast = nTransactionsUpdated;
1356             pindexPrev = pindexBest;
1357             nStart = GetTime();
1358
1359             // Create new block
1360             pblock = CreateNewBlock(reservekey);
1361             if (!pblock)
1362                 throw JSONRPCError(-7, "Out of memory");
1363             vNewBlock.push_back(pblock);
1364         }
1365
1366         // Update nTime
1367         pblock->nTime = max(pindexPrev->GetMedianTimePast()+1, GetAdjustedTime());
1368         pblock->nNonce = 0;
1369
1370         // Update nExtraNonce
1371         static unsigned int nExtraNonce = 0;
1372         static int64 nPrevTime = 0;
1373         IncrementExtraNonce(pblock, pindexPrev, nExtraNonce, nPrevTime);
1374
1375         // Save
1376         mapNewBlock[pblock->hashMerkleRoot] = make_pair(pblock, nExtraNonce);
1377
1378         // Prebuild hash buffers
1379         char pmidstate[32];
1380         char pdata[128];
1381         char phash1[64];
1382         FormatHashBuffers(pblock, pmidstate, pdata, phash1);
1383
1384         uint256 hashTarget = CBigNum().SetCompact(pblock->nBits).getuint256();
1385
1386         Object result;
1387         result.push_back(Pair("midstate", HexStr(BEGIN(pmidstate), END(pmidstate))));
1388         result.push_back(Pair("data",     HexStr(BEGIN(pdata), END(pdata))));
1389         result.push_back(Pair("hash1",    HexStr(BEGIN(phash1), END(phash1))));
1390         result.push_back(Pair("target",   HexStr(BEGIN(hashTarget), END(hashTarget))));
1391         return result;
1392     }
1393     else
1394     {
1395         // Parse parameters
1396         vector<unsigned char> vchData = ParseHex(params[0].get_str());
1397         if (vchData.size() != 128)
1398             throw JSONRPCError(-8, "Invalid parameter");
1399         CBlock* pdata = (CBlock*)&vchData[0];
1400
1401         // Byte reverse
1402         for (int i = 0; i < 128/4; i++)
1403             ((unsigned int*)pdata)[i] = CryptoPP::ByteReverse(((unsigned int*)pdata)[i]);
1404
1405         // Get saved block
1406         if (!mapNewBlock.count(pdata->hashMerkleRoot))
1407             return false;
1408         CBlock* pblock = mapNewBlock[pdata->hashMerkleRoot].first;
1409         unsigned int nExtraNonce = mapNewBlock[pdata->hashMerkleRoot].second;
1410
1411         pblock->nTime = pdata->nTime;
1412         pblock->nNonce = pdata->nNonce;
1413         pblock->vtx[0].vin[0].scriptSig = CScript() << pblock->nBits << CBigNum(nExtraNonce);
1414         pblock->hashMerkleRoot = pblock->BuildMerkleTree();
1415
1416         return CheckWork(pblock, *pwalletMain, reservekey);
1417     }
1418 }
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430 //
1431 // Call Table
1432 //
1433
1434 pair<string, rpcfn_type> pCallTable[] =
1435 {
1436     make_pair("help",                  &help),
1437     make_pair("stop",                  &stop),
1438     make_pair("getblockcount",         &getblockcount),
1439     make_pair("getblocknumber",        &getblocknumber),
1440     make_pair("getconnectioncount",    &getconnectioncount),
1441     make_pair("getdifficulty",         &getdifficulty),
1442     make_pair("getgenerate",           &getgenerate),
1443     make_pair("setgenerate",           &setgenerate),
1444     make_pair("gethashespersec",       &gethashespersec),
1445     make_pair("getinfo",               &getinfo),
1446     make_pair("getnewaddress",         &getnewaddress),
1447     make_pair("getaccountaddress",     &getaccountaddress),
1448     make_pair("setaccount",            &setaccount),
1449     make_pair("setlabel",              &setaccount), // deprecated
1450     make_pair("getaccount",            &getaccount),
1451     make_pair("getlabel",              &getaccount), // deprecated
1452     make_pair("getaddressesbyaccount", &getaddressesbyaccount),
1453     make_pair("getaddressesbylabel",   &getaddressesbyaccount), // deprecated
1454     make_pair("sendtoaddress",         &sendtoaddress),
1455     make_pair("getamountreceived",     &getreceivedbyaddress), // deprecated, renamed to getreceivedbyaddress
1456     make_pair("getallreceived",        &listreceivedbyaddress), // deprecated, renamed to listreceivedbyaddress
1457     make_pair("getreceivedbyaddress",  &getreceivedbyaddress),
1458     make_pair("getreceivedbyaccount",  &getreceivedbyaccount),
1459     make_pair("getreceivedbylabel",    &getreceivedbyaccount), // deprecated
1460     make_pair("listreceivedbyaddress", &listreceivedbyaddress),
1461     make_pair("listreceivedbyaccount", &listreceivedbyaccount),
1462     make_pair("listreceivedbylabel",   &listreceivedbyaccount), // deprecated
1463     make_pair("backupwallet",          &backupwallet),
1464     make_pair("validateaddress",       &validateaddress),
1465     make_pair("getbalance",            &getbalance),
1466     make_pair("move",                  &movecmd),
1467     make_pair("sendfrom",              &sendfrom),
1468     make_pair("sendmany",              &sendmany),
1469     make_pair("gettransaction",        &gettransaction),
1470     make_pair("listtransactions",      &listtransactions),
1471     make_pair("getwork",               &getwork),
1472     make_pair("listaccounts",          &listaccounts),
1473     make_pair("settxfee",              &settxfee),
1474 };
1475 map<string, rpcfn_type> mapCallTable(pCallTable, pCallTable + sizeof(pCallTable)/sizeof(pCallTable[0]));
1476
1477 string pAllowInSafeMode[] =
1478 {
1479     "help",
1480     "stop",
1481     "getblockcount",
1482     "getblocknumber",
1483     "getconnectioncount",
1484     "getdifficulty",
1485     "getgenerate",
1486     "setgenerate",
1487     "gethashespersec",
1488     "getinfo",
1489     "getnewaddress",
1490     "getaccountaddress",
1491     "setlabel",
1492     "getaccount",
1493     "getlabel", // deprecated
1494     "getaddressesbyaccount",
1495     "getaddressesbylabel", // deprecated
1496     "backupwallet",
1497     "validateaddress",
1498     "getwork",
1499 };
1500 set<string> setAllowInSafeMode(pAllowInSafeMode, pAllowInSafeMode + sizeof(pAllowInSafeMode)/sizeof(pAllowInSafeMode[0]));
1501
1502
1503
1504
1505 //
1506 // HTTP protocol
1507 //
1508 // This ain't Apache.  We're just using HTTP header for the length field
1509 // and to be compatible with other JSON-RPC implementations.
1510 //
1511
1512 string HTTPPost(const string& strMsg, const map<string,string>& mapRequestHeaders)
1513 {
1514     ostringstream s;
1515     s << "POST / HTTP/1.1\r\n"
1516       << "User-Agent: bitcoin-json-rpc/" << FormatFullVersion() << "\r\n"
1517       << "Host: 127.0.0.1\r\n"
1518       << "Content-Type: application/json\r\n"
1519       << "Content-Length: " << strMsg.size() << "\r\n"
1520       << "Accept: application/json\r\n";
1521     BOOST_FOREACH(const PAIRTYPE(string, string)& item, mapRequestHeaders)
1522         s << item.first << ": " << item.second << "\r\n";
1523     s << "\r\n" << strMsg;
1524
1525     return s.str();
1526 }
1527
1528 string rfc1123Time()
1529 {
1530     char buffer[64];
1531     time_t now;
1532     time(&now);
1533     struct tm* now_gmt = gmtime(&now);
1534     string locale(setlocale(LC_TIME, NULL));
1535     setlocale(LC_TIME, "C"); // we want posix (aka "C") weekday/month strings
1536     strftime(buffer, sizeof(buffer), "%a, %d %b %Y %H:%M:%S +0000", now_gmt);
1537     setlocale(LC_TIME, locale.c_str());
1538     return string(buffer);
1539 }
1540
1541 static string HTTPReply(int nStatus, const string& strMsg)
1542 {
1543     if (nStatus == 401)
1544         return strprintf("HTTP/1.0 401 Authorization Required\r\n"
1545             "Date: %s\r\n"
1546             "Server: bitcoin-json-rpc/%s\r\n"
1547             "WWW-Authenticate: Basic realm=\"jsonrpc\"\r\n"
1548             "Content-Type: text/html\r\n"
1549             "Content-Length: 296\r\n"
1550             "\r\n"
1551             "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\"\r\n"
1552             "\"http://www.w3.org/TR/1999/REC-html401-19991224/loose.dtd\">\r\n"
1553             "<HTML>\r\n"
1554             "<HEAD>\r\n"
1555             "<TITLE>Error</TITLE>\r\n"
1556             "<META HTTP-EQUIV='Content-Type' CONTENT='text/html; charset=ISO-8859-1'>\r\n"
1557             "</HEAD>\r\n"
1558             "<BODY><H1>401 Unauthorized.</H1></BODY>\r\n"
1559             "</HTML>\r\n", rfc1123Time().c_str(), FormatFullVersion().c_str());
1560     string strStatus;
1561          if (nStatus == 200) strStatus = "OK";
1562     else if (nStatus == 400) strStatus = "Bad Request";
1563     else if (nStatus == 403) strStatus = "Forbidden";
1564     else if (nStatus == 404) strStatus = "Not Found";
1565     else if (nStatus == 500) strStatus = "Internal Server Error";
1566     return strprintf(
1567             "HTTP/1.1 %d %s\r\n"
1568             "Date: %s\r\n"
1569             "Connection: close\r\n"
1570             "Content-Length: %d\r\n"
1571             "Content-Type: application/json\r\n"
1572             "Server: bitcoin-json-rpc/%s\r\n"
1573             "\r\n"
1574             "%s",
1575         nStatus,
1576         strStatus.c_str(),
1577         rfc1123Time().c_str(),
1578         strMsg.size(),
1579         FormatFullVersion().c_str(),
1580         strMsg.c_str());
1581 }
1582
1583 int ReadHTTPStatus(std::basic_istream<char>& stream)
1584 {
1585     string str;
1586     getline(stream, str);
1587     vector<string> vWords;
1588     boost::split(vWords, str, boost::is_any_of(" "));
1589     if (vWords.size() < 2)
1590         return 500;
1591     return atoi(vWords[1].c_str());
1592 }
1593
1594 int ReadHTTPHeader(std::basic_istream<char>& stream, map<string, string>& mapHeadersRet)
1595 {
1596     int nLen = 0;
1597     loop
1598     {
1599         string str;
1600         std::getline(stream, str);
1601         if (str.empty() || str == "\r")
1602             break;
1603         string::size_type nColon = str.find(":");
1604         if (nColon != string::npos)
1605         {
1606             string strHeader = str.substr(0, nColon);
1607             boost::trim(strHeader);
1608             boost::to_lower(strHeader);
1609             string strValue = str.substr(nColon+1);
1610             boost::trim(strValue);
1611             mapHeadersRet[strHeader] = strValue;
1612             if (strHeader == "content-length")
1613                 nLen = atoi(strValue.c_str());
1614         }
1615     }
1616     return nLen;
1617 }
1618
1619 int ReadHTTP(std::basic_istream<char>& stream, map<string, string>& mapHeadersRet, string& strMessageRet)
1620 {
1621     mapHeadersRet.clear();
1622     strMessageRet = "";
1623
1624     // Read status
1625     int nStatus = ReadHTTPStatus(stream);
1626
1627     // Read header
1628     int nLen = ReadHTTPHeader(stream, mapHeadersRet);
1629     if (nLen < 0 || nLen > MAX_SIZE)
1630         return 500;
1631
1632     // Read message
1633     if (nLen > 0)
1634     {
1635         vector<char> vch(nLen);
1636         stream.read(&vch[0], nLen);
1637         strMessageRet = string(vch.begin(), vch.end());
1638     }
1639
1640     return nStatus;
1641 }
1642
1643 string EncodeBase64(string s)
1644 {
1645     BIO *b64, *bmem;
1646     BUF_MEM *bptr;
1647
1648     b64 = BIO_new(BIO_f_base64());
1649     BIO_set_flags(b64, BIO_FLAGS_BASE64_NO_NL);
1650     bmem = BIO_new(BIO_s_mem());
1651     b64 = BIO_push(b64, bmem);
1652     BIO_write(b64, s.c_str(), s.size());
1653     BIO_flush(b64);
1654     BIO_get_mem_ptr(b64, &bptr);
1655
1656     string result(bptr->data, bptr->length);
1657     BIO_free_all(b64);
1658
1659     return result;
1660 }
1661
1662 string DecodeBase64(string s)
1663 {
1664     BIO *b64, *bmem;
1665
1666     char* buffer = static_cast<char*>(calloc(s.size(), sizeof(char)));
1667
1668     b64 = BIO_new(BIO_f_base64());
1669     BIO_set_flags(b64, BIO_FLAGS_BASE64_NO_NL);
1670     bmem = BIO_new_mem_buf(const_cast<char*>(s.c_str()), s.size());
1671     bmem = BIO_push(b64, bmem);
1672     BIO_read(bmem, buffer, s.size());
1673     BIO_free_all(bmem);
1674
1675     string result(buffer);
1676     free(buffer);
1677     return result;
1678 }
1679
1680 bool HTTPAuthorized(map<string, string>& mapHeaders)
1681 {
1682     string strAuth = mapHeaders["authorization"];
1683     if (strAuth.substr(0,6) != "Basic ")
1684         return false;
1685     string strUserPass64 = strAuth.substr(6); boost::trim(strUserPass64);
1686     string strUserPass = DecodeBase64(strUserPass64);
1687     string::size_type nColon = strUserPass.find(":");
1688     if (nColon == string::npos)
1689         return false;
1690     string strUser = strUserPass.substr(0, nColon);
1691     string strPassword = strUserPass.substr(nColon+1);
1692     return (strUser == mapArgs["-rpcuser"] && strPassword == mapArgs["-rpcpassword"]);
1693 }
1694
1695 //
1696 // JSON-RPC protocol.  Bitcoin speaks version 1.0 for maximum compatibility,
1697 // but uses JSON-RPC 1.1/2.0 standards for parts of the 1.0 standard that were
1698 // unspecified (HTTP errors and contents of 'error').
1699 //
1700 // 1.0 spec: http://json-rpc.org/wiki/specification
1701 // 1.2 spec: http://groups.google.com/group/json-rpc/web/json-rpc-over-http
1702 // http://www.codeproject.com/KB/recipes/JSON_Spirit.aspx
1703 //
1704
1705 string JSONRPCRequest(const string& strMethod, const Array& params, const Value& id)
1706 {
1707     Object request;
1708     request.push_back(Pair("method", strMethod));
1709     request.push_back(Pair("params", params));
1710     request.push_back(Pair("id", id));
1711     return write_string(Value(request), false) + "\n";
1712 }
1713
1714 string JSONRPCReply(const Value& result, const Value& error, const Value& id)
1715 {
1716     Object reply;
1717     if (error.type() != null_type)
1718         reply.push_back(Pair("result", Value::null));
1719     else
1720         reply.push_back(Pair("result", result));
1721     reply.push_back(Pair("error", error));
1722     reply.push_back(Pair("id", id));
1723     return write_string(Value(reply), false) + "\n";
1724 }
1725
1726 void ErrorReply(std::ostream& stream, const Object& objError, const Value& id)
1727 {
1728     // Send error reply from json-rpc error object
1729     int nStatus = 500;
1730     int code = find_value(objError, "code").get_int();
1731     if (code == -32600) nStatus = 400;
1732     else if (code == -32601) nStatus = 404;
1733     string strReply = JSONRPCReply(Value::null, objError, id);
1734     stream << HTTPReply(nStatus, strReply) << std::flush;
1735 }
1736
1737 bool ClientAllowed(const string& strAddress)
1738 {
1739     if (strAddress == asio::ip::address_v4::loopback().to_string())
1740         return true;
1741     const vector<string>& vAllow = mapMultiArgs["-rpcallowip"];
1742     BOOST_FOREACH(string strAllow, vAllow)
1743         if (WildcardMatch(strAddress, strAllow))
1744             return true;
1745     return false;
1746 }
1747
1748 #ifdef USE_SSL
1749 //
1750 // IOStream device that speaks SSL but can also speak non-SSL
1751 //
1752 class SSLIOStreamDevice : public iostreams::device<iostreams::bidirectional> {
1753 public:
1754     SSLIOStreamDevice(SSLStream &streamIn, bool fUseSSLIn) : stream(streamIn)
1755     {
1756         fUseSSL = fUseSSLIn;
1757         fNeedHandshake = fUseSSLIn;
1758     }
1759
1760     void handshake(ssl::stream_base::handshake_type role)
1761     {
1762         if (!fNeedHandshake) return;
1763         fNeedHandshake = false;
1764         stream.handshake(role);
1765     }
1766     std::streamsize read(char* s, std::streamsize n)
1767     {
1768         handshake(ssl::stream_base::server); // HTTPS servers read first
1769         if (fUseSSL) return stream.read_some(asio::buffer(s, n));
1770         return stream.next_layer().read_some(asio::buffer(s, n));
1771     }
1772     std::streamsize write(const char* s, std::streamsize n)
1773     {
1774         handshake(ssl::stream_base::client); // HTTPS clients write first
1775         if (fUseSSL) return asio::write(stream, asio::buffer(s, n));
1776         return asio::write(stream.next_layer(), asio::buffer(s, n));
1777     }
1778     bool connect(const std::string& server, const std::string& port)
1779     {
1780         ip::tcp::resolver resolver(stream.get_io_service());
1781         ip::tcp::resolver::query query(server.c_str(), port.c_str());
1782         ip::tcp::resolver::iterator endpoint_iterator = resolver.resolve(query);
1783         ip::tcp::resolver::iterator end;
1784         boost::system::error_code error = asio::error::host_not_found;
1785         while (error && endpoint_iterator != end)
1786         {
1787             stream.lowest_layer().close();
1788             stream.lowest_layer().connect(*endpoint_iterator++, error);
1789         }
1790         if (error)
1791             return false;
1792         return true;
1793     }
1794
1795 private:
1796     bool fNeedHandshake;
1797     bool fUseSSL;
1798     SSLStream& stream;
1799 };
1800 #endif
1801
1802 void ThreadRPCServer(void* parg)
1803 {
1804     IMPLEMENT_RANDOMIZE_STACK(ThreadRPCServer(parg));
1805     try
1806     {
1807         vnThreadsRunning[4]++;
1808         ThreadRPCServer2(parg);
1809         vnThreadsRunning[4]--;
1810     }
1811     catch (std::exception& e) {
1812         vnThreadsRunning[4]--;
1813         PrintException(&e, "ThreadRPCServer()");
1814     } catch (...) {
1815         vnThreadsRunning[4]--;
1816         PrintException(NULL, "ThreadRPCServer()");
1817     }
1818     printf("ThreadRPCServer exiting\n");
1819 }
1820
1821 void ThreadRPCServer2(void* parg)
1822 {
1823     printf("ThreadRPCServer started\n");
1824
1825     if (mapArgs["-rpcuser"] == "" && mapArgs["-rpcpassword"] == "")
1826     {
1827         string strWhatAmI = "To use bitcoind";
1828         if (mapArgs.count("-server"))
1829             strWhatAmI = strprintf(_("To use the %s option"), "\"-server\"");
1830         else if (mapArgs.count("-daemon"))
1831             strWhatAmI = strprintf(_("To use the %s option"), "\"-daemon\"");
1832         PrintConsole(
1833             _("Warning: %s, you must set rpcpassword=<password>\nin the configuration file: %s\n"
1834               "If the file does not exist, create it with owner-readable-only file permissions.\n"),
1835                 strWhatAmI.c_str(),
1836                 GetConfigFile().c_str());
1837         CreateThread(Shutdown, NULL);
1838         return;
1839     }
1840
1841     bool fUseSSL = GetBoolArg("-rpcssl");
1842     asio::ip::address bindAddress = mapArgs.count("-rpcallowip") ? asio::ip::address_v4::any() : asio::ip::address_v4::loopback();
1843
1844     asio::io_service io_service;
1845     ip::tcp::endpoint endpoint(bindAddress, GetArg("-rpcport", 8332));
1846     ip::tcp::acceptor acceptor(io_service, endpoint);
1847
1848     acceptor.set_option(boost::asio::ip::tcp::acceptor::reuse_address(true));
1849
1850 #ifdef USE_SSL
1851     ssl::context context(io_service, ssl::context::sslv23);
1852     if (fUseSSL)
1853     {
1854         context.set_options(ssl::context::no_sslv2);
1855         filesystem::path certfile = GetArg("-rpcsslcertificatechainfile", "server.cert");
1856         if (!certfile.is_complete()) certfile = filesystem::path(GetDataDir()) / certfile;
1857         if (filesystem::exists(certfile)) context.use_certificate_chain_file(certfile.string().c_str());
1858         else printf("ThreadRPCServer ERROR: missing server certificate file %s\n", certfile.string().c_str());
1859         filesystem::path pkfile = GetArg("-rpcsslprivatekeyfile", "server.pem");
1860         if (!pkfile.is_complete()) pkfile = filesystem::path(GetDataDir()) / pkfile;
1861         if (filesystem::exists(pkfile)) context.use_private_key_file(pkfile.string().c_str(), ssl::context::pem);
1862         else printf("ThreadRPCServer ERROR: missing server private key file %s\n", pkfile.string().c_str());
1863
1864         string ciphers = GetArg("-rpcsslciphers",
1865                                          "TLSv1+HIGH:!SSLv2:!aNULL:!eNULL:!AH:!3DES:@STRENGTH");
1866         SSL_CTX_set_cipher_list(context.impl(), ciphers.c_str());
1867     }
1868 #else
1869     if (fUseSSL)
1870         throw runtime_error("-rpcssl=1, but bitcoin compiled without full openssl libraries.");
1871 #endif
1872
1873     loop
1874     {
1875         // Accept connection
1876 #ifdef USE_SSL
1877         SSLStream sslStream(io_service, context);
1878         SSLIOStreamDevice d(sslStream, fUseSSL);
1879         iostreams::stream<SSLIOStreamDevice> stream(d);
1880 #else
1881         ip::tcp::iostream stream;
1882 #endif
1883
1884         ip::tcp::endpoint peer;
1885         vnThreadsRunning[4]--;
1886 #ifdef USE_SSL
1887         acceptor.accept(sslStream.lowest_layer(), peer);
1888 #else
1889         acceptor.accept(*stream.rdbuf(), peer);
1890 #endif
1891         vnThreadsRunning[4]++;
1892         if (fShutdown)
1893             return;
1894
1895         // Restrict callers by IP
1896         if (!ClientAllowed(peer.address().to_string()))
1897         {
1898             // Only send a 403 if we're not using SSL to prevent a DoS during the SSL handshake.
1899             if (!fUseSSL)
1900                 stream << HTTPReply(403, "") << std::flush;
1901             continue;
1902         }
1903
1904         map<string, string> mapHeaders;
1905         string strRequest;
1906
1907         boost::thread api_caller(ReadHTTP, boost::ref(stream), boost::ref(mapHeaders), boost::ref(strRequest));
1908         if (!api_caller.timed_join(boost::posix_time::seconds(GetArg("-rpctimeout", 30))))
1909         {   // Timed out:
1910             acceptor.cancel();
1911             printf("ThreadRPCServer ReadHTTP timeout\n");
1912             continue;
1913         }
1914
1915         // Check authorization
1916         if (mapHeaders.count("authorization") == 0)
1917         {
1918             stream << HTTPReply(401, "") << std::flush;
1919             continue;
1920         }
1921         if (!HTTPAuthorized(mapHeaders))
1922         {
1923             // Deter brute-forcing short passwords
1924             if (mapArgs["-rpcpassword"].size() < 15)
1925                 Sleep(50);
1926
1927             stream << HTTPReply(401, "") << std::flush;
1928             printf("ThreadRPCServer incorrect password attempt\n");
1929             continue;
1930         }
1931
1932         Value id = Value::null;
1933         try
1934         {
1935             // Parse request
1936             Value valRequest;
1937             if (!read_string(strRequest, valRequest) || valRequest.type() != obj_type)
1938                 throw JSONRPCError(-32700, "Parse error");
1939             const Object& request = valRequest.get_obj();
1940
1941             // Parse id now so errors from here on will have the id
1942             id = find_value(request, "id");
1943
1944             // Parse method
1945             Value valMethod = find_value(request, "method");
1946             if (valMethod.type() == null_type)
1947                 throw JSONRPCError(-32600, "Missing method");
1948             if (valMethod.type() != str_type)
1949                 throw JSONRPCError(-32600, "Method must be a string");
1950             string strMethod = valMethod.get_str();
1951             if (strMethod != "getwork")
1952                 printf("ThreadRPCServer method=%s\n", strMethod.c_str());
1953
1954             // Parse params
1955             Value valParams = find_value(request, "params");
1956             Array params;
1957             if (valParams.type() == array_type)
1958                 params = valParams.get_array();
1959             else if (valParams.type() == null_type)
1960                 params = Array();
1961             else
1962                 throw JSONRPCError(-32600, "Params must be an array");
1963
1964             // Find method
1965             map<string, rpcfn_type>::iterator mi = mapCallTable.find(strMethod);
1966             if (mi == mapCallTable.end())
1967                 throw JSONRPCError(-32601, "Method not found");
1968
1969             // Observe safe mode
1970             string strWarning = GetWarnings("rpc");
1971             if (strWarning != "" && !GetBoolArg("-disablesafemode") && !setAllowInSafeMode.count(strMethod))
1972                 throw JSONRPCError(-2, string("Safe mode: ") + strWarning);
1973
1974             try
1975             {
1976                 // Execute
1977                 Value result = (*(*mi).second)(params, false);
1978
1979                 // Send reply
1980                 string strReply = JSONRPCReply(result, Value::null, id);
1981                 stream << HTTPReply(200, strReply) << std::flush;
1982             }
1983             catch (std::exception& e)
1984             {
1985                 ErrorReply(stream, JSONRPCError(-1, e.what()), id);
1986             }
1987         }
1988         catch (Object& objError)
1989         {
1990             ErrorReply(stream, objError, id);
1991         }
1992         catch (std::exception& e)
1993         {
1994             ErrorReply(stream, JSONRPCError(-32700, e.what()), id);
1995         }
1996     }
1997 }
1998
1999
2000
2001
2002 Object CallRPC(const string& strMethod, const Array& params)
2003 {
2004     if (mapArgs["-rpcuser"] == "" && mapArgs["-rpcpassword"] == "")
2005         throw runtime_error(strprintf(
2006             _("You must set rpcpassword=<password> in the configuration file:\n%s\n"
2007               "If the file does not exist, create it with owner-readable-only file permissions."),
2008                 GetConfigFile().c_str()));
2009
2010     // Connect to localhost
2011     bool fUseSSL = GetBoolArg("-rpcssl");
2012 #ifdef USE_SSL
2013     asio::io_service io_service;
2014     ssl::context context(io_service, ssl::context::sslv23);
2015     context.set_options(ssl::context::no_sslv2);
2016     SSLStream sslStream(io_service, context);
2017     SSLIOStreamDevice d(sslStream, fUseSSL);
2018     iostreams::stream<SSLIOStreamDevice> stream(d);
2019     if (!d.connect(GetArg("-rpcconnect", "127.0.0.1"), GetArg("-rpcport", "8332")))
2020         throw runtime_error("couldn't connect to server");
2021 #else
2022     if (fUseSSL)
2023         throw runtime_error("-rpcssl=1, but bitcoin compiled without full openssl libraries.");
2024
2025     ip::tcp::iostream stream(GetArg("-rpcconnect", "127.0.0.1"), GetArg("-rpcport", "8332"));
2026     if (stream.fail())
2027         throw runtime_error("couldn't connect to server");
2028 #endif
2029
2030
2031     // HTTP basic authentication
2032     string strUserPass64 = EncodeBase64(mapArgs["-rpcuser"] + ":" + mapArgs["-rpcpassword"]);
2033     map<string, string> mapRequestHeaders;
2034     mapRequestHeaders["Authorization"] = string("Basic ") + strUserPass64;
2035
2036     // Send request
2037     string strRequest = JSONRPCRequest(strMethod, params, 1);
2038     string strPost = HTTPPost(strRequest, mapRequestHeaders);
2039     stream << strPost << std::flush;
2040
2041     // Receive reply
2042     map<string, string> mapHeaders;
2043     string strReply;
2044     int nStatus = ReadHTTP(stream, mapHeaders, strReply);
2045     if (nStatus == 401)
2046         throw runtime_error("incorrect rpcuser or rpcpassword (authorization failed)");
2047     else if (nStatus >= 400 && nStatus != 400 && nStatus != 404 && nStatus != 500)
2048         throw runtime_error(strprintf("server returned HTTP error %d", nStatus));
2049     else if (strReply.empty())
2050         throw runtime_error("no response from server");
2051
2052     // Parse reply
2053     Value valReply;
2054     if (!read_string(strReply, valReply))
2055         throw runtime_error("couldn't parse reply from server");
2056     const Object& reply = valReply.get_obj();
2057     if (reply.empty())
2058         throw runtime_error("expected reply to have result, error and id properties");
2059
2060     return reply;
2061 }
2062
2063
2064
2065
2066 template<typename T>
2067 void ConvertTo(Value& value)
2068 {
2069     if (value.type() == str_type)
2070     {
2071         // reinterpret string as unquoted json value
2072         Value value2;
2073         if (!read_string(value.get_str(), value2))
2074             throw runtime_error("type mismatch");
2075         value = value2.get_value<T>();
2076     }
2077     else
2078     {
2079         value = value.get_value<T>();
2080     }
2081 }
2082
2083 int CommandLineRPC(int argc, char *argv[])
2084 {
2085     string strPrint;
2086     int nRet = 0;
2087     try
2088     {
2089         // Skip switches
2090         while (argc > 1 && IsSwitchChar(argv[1][0]))
2091         {
2092             argc--;
2093             argv++;
2094         }
2095
2096         // Method
2097         if (argc < 2)
2098             throw runtime_error("too few parameters");
2099         string strMethod = argv[1];
2100
2101         // Parameters default to strings
2102         Array params;
2103         for (int i = 2; i < argc; i++)
2104             params.push_back(argv[i]);
2105         int n = params.size();
2106
2107         //
2108         // Special case non-string parameter types
2109         //
2110         if (strMethod == "setgenerate"            && n > 0) ConvertTo<bool>(params[0]);
2111         if (strMethod == "setgenerate"            && n > 1) ConvertTo<boost::int64_t>(params[1]);
2112         if (strMethod == "sendtoaddress"          && n > 1) ConvertTo<double>(params[1]);
2113         if (strMethod == "settxfee"               && n > 0) ConvertTo<double>(params[0]);
2114         if (strMethod == "getamountreceived"      && n > 1) ConvertTo<boost::int64_t>(params[1]); // deprecated
2115         if (strMethod == "getreceivedbyaddress"   && n > 1) ConvertTo<boost::int64_t>(params[1]);
2116         if (strMethod == "getreceivedbyaccount"   && n > 1) ConvertTo<boost::int64_t>(params[1]);
2117         if (strMethod == "getreceivedbylabel"     && n > 1) ConvertTo<boost::int64_t>(params[1]); // deprecated
2118         if (strMethod == "getallreceived"         && n > 0) ConvertTo<boost::int64_t>(params[0]); // deprecated
2119         if (strMethod == "getallreceived"         && n > 1) ConvertTo<bool>(params[1]);
2120         if (strMethod == "listreceivedbyaddress"  && n > 0) ConvertTo<boost::int64_t>(params[0]);
2121         if (strMethod == "listreceivedbyaddress"  && n > 1) ConvertTo<bool>(params[1]);
2122         if (strMethod == "listreceivedbyaccount"  && n > 0) ConvertTo<boost::int64_t>(params[0]);
2123         if (strMethod == "listreceivedbyaccount"  && n > 1) ConvertTo<bool>(params[1]);
2124         if (strMethod == "listreceivedbylabel"    && n > 0) ConvertTo<boost::int64_t>(params[0]); // deprecated
2125         if (strMethod == "listreceivedbylabel"    && n > 1) ConvertTo<bool>(params[1]); // deprecated
2126         if (strMethod == "getbalance"             && n > 1) ConvertTo<boost::int64_t>(params[1]);
2127         if (strMethod == "move"                   && n > 2) ConvertTo<double>(params[2]);
2128         if (strMethod == "move"                   && n > 3) ConvertTo<boost::int64_t>(params[3]);
2129         if (strMethod == "sendfrom"               && n > 2) ConvertTo<double>(params[2]);
2130         if (strMethod == "sendfrom"               && n > 3) ConvertTo<boost::int64_t>(params[3]);
2131         if (strMethod == "listtransactions"       && n > 1) ConvertTo<boost::int64_t>(params[1]);
2132         if (strMethod == "listtransactions"       && n > 2) ConvertTo<boost::int64_t>(params[2]);
2133         if (strMethod == "listaccounts"           && n > 0) ConvertTo<boost::int64_t>(params[0]);
2134         if (strMethod == "sendmany"               && n > 1)
2135         {
2136             string s = params[1].get_str();
2137             Value v;
2138             if (!read_string(s, v) || v.type() != obj_type)
2139                 throw runtime_error("type mismatch");
2140             params[1] = v.get_obj();
2141         }
2142         if (strMethod == "sendmany"                && n > 2) ConvertTo<boost::int64_t>(params[2]);
2143
2144         // Execute
2145         Object reply = CallRPC(strMethod, params);
2146
2147         // Parse reply
2148         const Value& result = find_value(reply, "result");
2149         const Value& error  = find_value(reply, "error");
2150         const Value& id     = find_value(reply, "id");
2151
2152         if (error.type() != null_type)
2153         {
2154             // Error
2155             strPrint = "error: " + write_string(error, false);
2156             int code = find_value(error.get_obj(), "code").get_int();
2157             nRet = abs(code);
2158         }
2159         else
2160         {
2161             // Result
2162             if (result.type() == null_type)
2163                 strPrint = "";
2164             else if (result.type() == str_type)
2165                 strPrint = result.get_str();
2166             else
2167                 strPrint = write_string(result, true);
2168         }
2169     }
2170     catch (std::exception& e)
2171     {
2172         strPrint = string("error: ") + e.what();
2173         nRet = 87;
2174     }
2175     catch (...)
2176     {
2177         PrintException(NULL, "CommandLineRPC()");
2178     }
2179
2180     if (strPrint != "")
2181     {
2182 #if defined(__WXMSW__) && defined(GUI)
2183         // Windows GUI apps can't print to command line,
2184         // so settle for a message box yuck
2185         MyMessageBox(strPrint, "Bitcoin", wxOK);
2186 #else
2187         fprintf((nRet == 0 ? stdout : stderr), "%s\n", strPrint.c_str());
2188 #endif
2189     }
2190     return nRet;
2191 }
2192
2193
2194
2195
2196 #ifdef TEST
2197 int main(int argc, char *argv[])
2198 {
2199 #ifdef _MSC_VER
2200     // Turn off microsoft heap dump noise
2201     _CrtSetReportMode(_CRT_WARN, _CRTDBG_MODE_FILE);
2202     _CrtSetReportFile(_CRT_WARN, CreateFile("NUL", GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, 0));
2203 #endif
2204     setbuf(stdin, NULL);
2205     setbuf(stdout, NULL);
2206     setbuf(stderr, NULL);
2207
2208     try
2209     {
2210         if (argc >= 2 && string(argv[1]) == "-server")
2211         {
2212             printf("server ready\n");
2213             ThreadRPCServer(NULL);
2214         }
2215         else
2216         {
2217             return CommandLineRPC(argc, argv);
2218         }
2219     }
2220     catch (std::exception& e) {
2221         PrintException(&e, "main()");
2222     } catch (...) {
2223         PrintException(NULL, "main()");
2224     }
2225     return 0;
2226 }
2227 #endif