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 #undef printf
   8 #include <boost/asio.hpp>
   9 #include <boost/iostreams/concepts.hpp>
  10 #include <boost/iostreams/stream.hpp>
  11 #ifdef USE_SSL
  12 #include <boost/asio/ssl.hpp>
  13 typedef boost::asio::ssl::stream<boost::asio::ip::tcp::socket> SSLStream;
  14 #endif
  15 #include "json/json_spirit_reader_template.h"
  16 #include "json/json_spirit_writer_template.h"
  17 #include "json/json_spirit_utils.h"
  18 #define printf OutputDebugStringF
  19 // MinGW 3.4.5 gets "fatal error: had to relocate PCH" if the json headers are
  20 // precompiled in headers.h.  The problem might be when the pch file goes over
  21 // a certain size around 145MB.  If we need access to json_spirit outside this
  22 // file, we could use the compiled json_spirit option.
  23
  24 using namespace boost::asio;
  25 using namespace json_spirit;
  26
  27 void ThreadRPCServer2(void* parg);
  28 typedef Value(*rpcfn_type)(const Array& params, bool fHelp);
  29 extern map<string, rpcfn_type> mapCallTable;
  30
  31
  32 Object JSONRPCError(int code, const string& message)
  33 {
  34     Object error;
  35     error.push_back(Pair("code", code));
  36     error.push_back(Pair("message", message));
  37     return error;
  38 }
  39
  40
  41 void PrintConsole(const char* format, ...)
  42 {
  43     char buffer[50000];
  44     int limit = sizeof(buffer);
  45     va_list arg_ptr;
  46     va_start(arg_ptr, format);
  47     int ret = _vsnprintf(buffer, limit, format, arg_ptr);
  48     va_end(arg_ptr);
  49     if (ret < 0 || ret >= limit)
  50     {
  51         ret = limit - 1;
  52         buffer[limit-1] = 0;
  53     }
  54     printf("%s", buffer);
  55 #if defined(__WXMSW__) && defined(GUI)
  56     MyMessageBox(buffer, "Bitcoin", wxOK | wxICON_EXCLAMATION);
  57 #else
  58     fprintf(stdout, "%s", buffer);
  59 #endif
  60 }
  61
  62
  63 int64 AmountFromValue(const Value& value)
  64 {
  65     double dAmount = value.get_real();
  66     if (dAmount <= 0.0 || dAmount > 21000000.0)
  67         throw JSONRPCError(-3, "Invalid amount");
  68     int64 nAmount = roundint64(dAmount * COIN);
  69     if (!MoneyRange(nAmount))
  70         throw JSONRPCError(-3, "Invalid amount");
  71     return nAmount;
  72 }
  73
  74 Value ValueFromAmount(int64 amount)
  75 {
  76     return (double)amount / (double)COIN;
  77 }
  78
  79 void WalletTxToJSON(const CWalletTx& wtx, Object& entry)
  80 {
  81     entry.push_back(Pair("confirmations", wtx.GetDepthInMainChain()));
  82     entry.push_back(Pair("txid", wtx.GetHash().GetHex()));
  83     entry.push_back(Pair("time", (boost::int64_t)wtx.GetTxTime()));
  84     foreach(const PAIRTYPE(string,string)& item, wtx.mapValue)
  85         entry.push_back(Pair(item.first, item.second));
  86 }
  87
  88 string AccountFromValue(const Value& value)
  89 {
  90     string strAccount = value.get_str();
  91     if (strAccount == "*")
  92         throw JSONRPCError(-11, "Invalid account name");
  93     return strAccount;
  94 }
  95
  96
  97
  98 ///
  99 /// Note: This interface may still be subject to change.
 100 ///
 101
 102
 103 Value help(const Array& params, bool fHelp)
 104 {
 105     if (fHelp || params.size() > 1)
 106         throw runtime_error(
 107             "help [command]\n"
 108             "List commands, or get help for a command.");
 109
 110     string strCommand;
 111     if (params.size() > 0)
 112         strCommand = params[0].get_str();
 113
 114     string strRet;
 115     set<rpcfn_type> setDone;
 116     for (map<string, rpcfn_type>::iterator mi = mapCallTable.begin(); mi != mapCallTable.end(); ++mi)
 117     {
 118         string strMethod = (*mi).first;
 119         // We already filter duplicates, but these deprecated screw up the sort order
 120         if (strMethod == "getamountreceived" ||
 121             strMethod == "getallreceived" ||
 122             (strMethod.find("label") != string::npos))
 123             continue;
 124         if (strCommand != "" && strMethod != strCommand)
 125             continue;
 126         try
 127         {
 128             Array params;
 129             rpcfn_type pfn = (*mi).second;
 130             if (setDone.insert(pfn).second)
 131                 (*pfn)(params, true);
 132         }
 133         catch (std::exception& e)
 134         {
 135             // Help text is returned in an exception
 136             string strHelp = string(e.what());
 137             if (strCommand == "")
 138                 if (strHelp.find('\n') != -1)
 139                     strHelp = strHelp.substr(0, strHelp.find('\n'));
 140             strRet += strHelp + "\n";
 141         }
 142     }
 143     if (strRet == "")
 144         strRet = strprintf("help: unknown command: %s\n", strCommand.c_str());
 145     strRet = strRet.substr(0,strRet.size()-1);
 146     return strRet;
 147 }
 148
 149
 150 Value stop(const Array& params, bool fHelp)
 151 {
 152     if (fHelp || params.size() != 0)
 153         throw runtime_error(
 154             "stop\n"
 155             "Stop bitcoin server.");
 156
 157     // Shutdown will take long enough that the response should get back
 158     CreateThread(Shutdown, NULL);
 159     return "bitcoin server stopping";
 160 }
 161
 162
 163 Value getblockcount(const Array& params, bool fHelp)
 164 {
 165     if (fHelp || params.size() != 0)
 166         throw runtime_error(
 167             "getblockcount\n"
 168             "Returns the number of blocks in the longest block chain.");
 169
 170     return nBestHeight;
 171 }
 172
 173
 174 Value getblocknumber(const Array& params, bool fHelp)
 175 {
 176     if (fHelp || params.size() != 0)
 177         throw runtime_error(
 178             "getblocknumber\n"
 179             "Returns the block number of the latest block in the longest block chain.");
 180
 181     return nBestHeight;
 182 }
 183
 184
 185 Value getconnectioncount(const Array& params, bool fHelp)
 186 {
 187     if (fHelp || params.size() != 0)
 188         throw runtime_error(
 189             "getconnectioncount\n"
 190             "Returns the number of connections to other nodes.");
 191
 192     return (int)vNodes.size();
 193 }
 194
 195
 196 double GetDifficulty()
 197 {
 198     // Floating point number that is a multiple of the minimum difficulty,
 199     // minimum difficulty = 1.0.
 200     if (pindexBest == NULL)
 201         return 1.0;
 202     int nShift = 256 - 32 - 31; // to fit in a uint
 203     double dMinimum = (CBigNum().SetCompact(bnProofOfWorkLimit.GetCompact()) >> nShift).getuint();
 204     double dCurrently = (CBigNum().SetCompact(pindexBest->nBits) >> nShift).getuint();
 205     return dMinimum / dCurrently;
 206 }
 207
 208 Value getdifficulty(const Array& params, bool fHelp)
 209 {
 210     if (fHelp || params.size() != 0)
 211         throw runtime_error(
 212             "getdifficulty\n"
 213             "Returns the proof-of-work difficulty as a multiple of the minimum difficulty.");
 214
 215     return GetDifficulty();
 216 }
 217
 218
 219 Value getgenerate(const Array& params, bool fHelp)
 220 {
 221     if (fHelp || params.size() != 0)
 222         throw runtime_error(
 223             "getgenerate\n"
 224             "Returns true or false.");
 225
 226     return (bool)fGenerateBitcoins;
 227 }
 228
 229
 230 Value setgenerate(const Array& params, bool fHelp)
 231 {
 232     if (fHelp || params.size() < 1 || params.size() > 2)
 233         throw runtime_error(
 234             "setgenerate <generate> [genproclimit]\n"
 235             "<generate> is true or false to turn generation on or off.\n"
 236             "Generation is limited to [genproclimit] processors, -1 is unlimited.");
 237
 238     bool fGenerate = true;
 239     if (params.size() > 0)
 240         fGenerate = params[0].get_bool();
 241
 242     if (params.size() > 1)
 243     {
 244         int nGenProcLimit = params[1].get_int();
 245         fLimitProcessors = (nGenProcLimit != -1);
 246         CWalletDB().WriteSetting("fLimitProcessors", fLimitProcessors);
 247         if (nGenProcLimit != -1)
 248             CWalletDB().WriteSetting("nLimitProcessors", nLimitProcessors = nGenProcLimit);
 249         if (nGenProcLimit == 0)
 250             fGenerate = false;
 251     }
 252
 253     GenerateBitcoins(fGenerate);
 254     return Value::null;
 255 }
 256
 257
 258 Value gethashespersec(const Array& params, bool fHelp)
 259 {
 260     if (fHelp || params.size() != 0)
 261         throw runtime_error(
 262             "gethashespersec\n"
 263             "Returns a recent hashes per second performance measurement while generating.");
 264
 265     if (GetTimeMillis() - nHPSTimerStart > 8000)
 266         return (boost::int64_t)0;
 267     return (boost::int64_t)dHashesPerSec;
 268 }
 269
 270
 271 Value getinfo(const Array& params, bool fHelp)
 272 {
 273     if (fHelp || params.size() != 0)
 274         throw runtime_error(
 275             "getinfo\n"
 276             "Returns an object containing various state info.");
 277
 278     Object obj;
 279     obj.push_back(Pair("version",       (int)VERSION));
 280     obj.push_back(Pair("balance",       ValueFromAmount(GetBalance())));
 281     obj.push_back(Pair("blocks",        (int)nBestHeight));
 282     obj.push_back(Pair("connections",   (int)vNodes.size()));
 283     obj.push_back(Pair("proxy",         (fUseProxy ? addrProxy.ToStringIPPort() : string())));
 284     obj.push_back(Pair("generate",      (bool)fGenerateBitcoins));
 285     obj.push_back(Pair("genproclimit",  (int)(fLimitProcessors ? nLimitProcessors : -1)));
 286     obj.push_back(Pair("difficulty",    (double)GetDifficulty()));
 287     obj.push_back(Pair("hashespersec",  gethashespersec(params, false)));
 288     obj.push_back(Pair("testnet",       fTestNet));
 289     obj.push_back(Pair("keypoololdest", (boost::int64_t)GetOldestKeyPoolTime()));
 290     obj.push_back(Pair("paytxfee",      ValueFromAmount(nTransactionFee)));
 291     obj.push_back(Pair("errors",        GetWarnings("statusbar")));
 292     return obj;
 293 }
 294
 295
 296 Value getnewaddress(const Array& params, bool fHelp)
 297 {
 298     if (fHelp || params.size() > 1)
 299         throw runtime_error(
 300             "getnewaddress [account]\n"
 301             "Returns a new bitcoin address for receiving payments.  "
 302             "If [account] is specified (recommended), it is added to the address book "
 303             "so payments received with the address will be credited to [account].");
 304
 305     // Parse the account first so we don't generate a key if there's an error
 306     string strAccount;
 307     if (params.size() > 0)
 308         strAccount = AccountFromValue(params[0]);
 309
 310     // Generate a new key that is added to wallet
 311     string strAddress = PubKeyToAddress(GetKeyFromKeyPool());
 312
 313     SetAddressBookName(strAddress, strAccount);
 314     return strAddress;
 315 }
 316
 317
 318 // requires cs_main, cs_mapWallet locks
 319 string GetAccountAddress(string strAccount, bool bForceNew=false)
 320 {
 321     string strAddress;
 322
 323     CWalletDB walletdb;
 324     walletdb.TxnBegin();
 325
 326     CAccount account;
 327     walletdb.ReadAccount(strAccount, account);
 328
 329     // Check if the current key has been used
 330     if (!account.vchPubKey.empty())
 331     {
 332         CScript scriptPubKey;
 333         scriptPubKey.SetBitcoinAddress(account.vchPubKey);
 334         for (map<uint256, CWalletTx>::iterator it = mapWallet.begin();
 335              it != mapWallet.end() && !account.vchPubKey.empty();
 336              ++it)
 337         {
 338             const CWalletTx& wtx = (*it).second;
 339             foreach(const CTxOut& txout, wtx.vout)
 340                 if (txout.scriptPubKey == scriptPubKey)
 341                     account.vchPubKey.clear();
 342         }
 343     }
 344
 345     // Generate a new key
 346     if (account.vchPubKey.empty() || bForceNew)
 347     {
 348         account.vchPubKey = GetKeyFromKeyPool();
 349         string strAddress = PubKeyToAddress(account.vchPubKey);
 350         SetAddressBookName(strAddress, strAccount);
 351         walletdb.WriteAccount(strAccount, account);
 352     }
 353
 354     walletdb.TxnCommit();
 355     strAddress = PubKeyToAddress(account.vchPubKey);
 356
 357     return strAddress;
 358 }
 359
 360 Value getaccountaddress(const Array& params, bool fHelp)
 361 {
 362     if (fHelp || params.size() != 1)
 363         throw runtime_error(
 364             "getaccountaddress <account>\n"
 365             "Returns the current bitcoin address for receiving payments to this account.");
 366
 367     // Parse the account first so we don't generate a key if there's an error
 368     string strAccount = AccountFromValue(params[0]);
 369
 370     Value ret;
 371
 372     CRITICAL_BLOCK(cs_main)
 373     CRITICAL_BLOCK(cs_mapWallet)
 374     {
 375         ret = GetAccountAddress(strAccount);
 376     }
 377
 378     return ret;
 379 }
 380
 381
 382
 383 Value setaccount(const Array& params, bool fHelp)
 384 {
 385     if (fHelp || params.size() < 1 || params.size() > 2)
 386         throw runtime_error(
 387             "setaccount <bitcoinaddress> <account>\n"
 388             "Sets the account associated with the given address.");
 389
 390     string strAddress = params[0].get_str();
 391     uint160 hash160;
 392     bool isValid = AddressToHash160(strAddress, hash160);
 393     if (!isValid)
 394         throw JSONRPCError(-5, "Invalid bitcoin address");
 395
 396
 397     string strAccount;
 398     if (params.size() > 1)
 399         strAccount = AccountFromValue(params[1]);
 400
 401     // Detect when changing the account of an address that is the 'unused current key' of another account:
 402     CRITICAL_BLOCK(cs_main)
 403     CRITICAL_BLOCK(cs_mapWallet)
 404     CRITICAL_BLOCK(cs_mapAddressBook)
 405     {
 406         if (mapAddressBook.count(strAddress))
 407         {
 408             string strOldAccount = mapAddressBook[strAddress];
 409             if (strAddress == GetAccountAddress(strOldAccount))
 410                 GetAccountAddress(strOldAccount, true);
 411         }
 412     }
 413
 414     SetAddressBookName(strAddress, strAccount);
 415     return Value::null;
 416 }
 417
 418
 419 Value getaccount(const Array& params, bool fHelp)
 420 {
 421     if (fHelp || params.size() != 1)
 422         throw runtime_error(
 423             "getaccount <bitcoinaddress>\n"
 424             "Returns the account associated with the given address.");
 425
 426     string strAddress = params[0].get_str();
 427
 428     string strAccount;
 429     CRITICAL_BLOCK(cs_mapAddressBook)
 430     {
 431         map<string, string>::iterator mi = mapAddressBook.find(strAddress);
 432         if (mi != mapAddressBook.end() && !(*mi).second.empty())
 433             strAccount = (*mi).second;
 434     }
 435     return strAccount;
 436 }
 437
 438
 439 Value getaddressesbyaccount(const Array& params, bool fHelp)
 440 {
 441     if (fHelp || params.size() != 1)
 442         throw runtime_error(
 443             "getaddressesbyaccount <account>\n"
 444             "Returns the list of addresses for the given account.");
 445
 446     string strAccount = AccountFromValue(params[0]);
 447
 448     // Find all addresses that have the given account
 449     Array ret;
 450     CRITICAL_BLOCK(cs_mapAddressBook)
 451     {
 452         foreach(const PAIRTYPE(string, string)& item, mapAddressBook)
 453         {
 454             const string& strAddress = item.first;
 455             const string& strName = item.second;
 456             if (strName == strAccount)
 457             {
 458                 // We're only adding valid bitcoin addresses and not ip addresses
 459                 CScript scriptPubKey;
 460                 if (scriptPubKey.SetBitcoinAddress(strAddress))
 461                     ret.push_back(strAddress);
 462             }
 463         }
 464     }
 465     return ret;
 466 }
 467
 468 Value sendtoaddress(const Array& params, bool fHelp)
 469 {
 470     if (fHelp || params.size() < 2 || params.size() > 4)
 471         throw runtime_error(
 472             "sendtoaddress <bitcoinaddress> <amount> [comment] [comment-to]\n"
 473             "<amount> is a real and is rounded to the nearest 0.01");
 474
 475     string strAddress = params[0].get_str();
 476
 477     // Amount
 478     int64 nAmount = AmountFromValue(params[1]);
 479
 480     // Wallet comments
 481     CWalletTx wtx;
 482     if (params.size() > 2 && params[2].type() != null_type && !params[2].get_str().empty())
 483         wtx.mapValue["comment"] = params[2].get_str();
 484     if (params.size() > 3 && params[3].type() != null_type && !params[3].get_str().empty())
 485         wtx.mapValue["to"]      = params[3].get_str();
 486
 487     CRITICAL_BLOCK(cs_main)
 488     {
 489         string strError = SendMoneyToBitcoinAddress(strAddress, nAmount, wtx);
 490         if (strError != "")
 491             throw JSONRPCError(-4, strError);
 492     }
 493
 494     return wtx.GetHash().GetHex();
 495 }
 496
 497
 498 Value getreceivedbyaddress(const Array& params, bool fHelp)
 499 {
 500     if (fHelp || params.size() < 1 || params.size() > 2)
 501         throw runtime_error(
 502             "getreceivedbyaddress <bitcoinaddress> [minconf=1]\n"
 503             "Returns the total amount received by <bitcoinaddress> in transactions with at least [minconf] confirmations.");
 504
 505     // Bitcoin address
 506     string strAddress = params[0].get_str();
 507     CScript scriptPubKey;
 508     if (!scriptPubKey.SetBitcoinAddress(strAddress))
 509         throw JSONRPCError(-5, "Invalid bitcoin address");
 510     if (!IsMine(scriptPubKey))
 511         return (double)0.0;
 512
 513     // Minimum confirmations
 514     int nMinDepth = 1;
 515     if (params.size() > 1)
 516         nMinDepth = params[1].get_int();
 517
 518     // Tally
 519     int64 nAmount = 0;
 520     CRITICAL_BLOCK(cs_mapWallet)
 521     {
 522         for (map<uint256, CWalletTx>::iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
 523         {
 524             const CWalletTx& wtx = (*it).second;
 525             if (wtx.IsCoinBase() || !wtx.IsFinal())
 526                 continue;
 527
 528             foreach(const CTxOut& txout, wtx.vout)
 529                 if (txout.scriptPubKey == scriptPubKey)
 530                     if (wtx.GetDepthInMainChain() >= nMinDepth)
 531                         nAmount += txout.nValue;
 532         }
 533     }
 534
 535     return  ValueFromAmount(nAmount);
 536 }
 537
 538
 539 void GetAccountPubKeys(string strAccount, set<CScript>& setPubKey)
 540 {
 541     CRITICAL_BLOCK(cs_mapAddressBook)
 542     {
 543         foreach(const PAIRTYPE(string, string)& item, mapAddressBook)
 544         {
 545             const string& strAddress = item.first;
 546             const string& strName = item.second;
 547             if (strName == strAccount)
 548             {
 549                 // We're only counting our own valid bitcoin addresses and not ip addresses
 550                 CScript scriptPubKey;
 551                 if (scriptPubKey.SetBitcoinAddress(strAddress))
 552                     if (IsMine(scriptPubKey))
 553                         setPubKey.insert(scriptPubKey);
 554             }
 555         }
 556     }
 557 }
 558
 559
 560 Value getreceivedbyaccount(const Array& params, bool fHelp)
 561 {
 562     if (fHelp || params.size() < 1 || params.size() > 2)
 563         throw runtime_error(
 564             "getreceivedbyaccount <account> [minconf=1]\n"
 565             "Returns the total amount received by addresses with <account> in transactions with at least [minconf] confirmations.");
 566
 567     // Minimum confirmations
 568     int nMinDepth = 1;
 569     if (params.size() > 1)
 570         nMinDepth = params[1].get_int();
 571
 572     // Get the set of pub keys that have the label
 573     string strAccount = AccountFromValue(params[0]);
 574     set<CScript> setPubKey;
 575     GetAccountPubKeys(strAccount, setPubKey);
 576
 577     // Tally
 578     int64 nAmount = 0;
 579     CRITICAL_BLOCK(cs_mapWallet)
 580     {
 581         for (map<uint256, CWalletTx>::iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
 582         {
 583             const CWalletTx& wtx = (*it).second;
 584             if (wtx.IsCoinBase() || !wtx.IsFinal())
 585                 continue;
 586
 587             foreach(const CTxOut& txout, wtx.vout)
 588                 if (setPubKey.count(txout.scriptPubKey))
 589                     if (wtx.GetDepthInMainChain() >= nMinDepth)
 590                         nAmount += txout.nValue;
 591         }
 592     }
 593
 594     return (double)nAmount / (double)COIN;
 595 }
 596
 597
 598 int64 GetAccountBalance(CWalletDB& walletdb, const string& strAccount, int nMinDepth)
 599 {
 600     int64 nBalance = 0;
 601     CRITICAL_BLOCK(cs_mapWallet)
 602     {
 603         // Tally wallet transactions
 604         for (map<uint256, CWalletTx>::iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
 605         {
 606             const CWalletTx& wtx = (*it).second;
 607             if (!wtx.IsFinal())
 608                 continue;
 609
 610             int64 nGenerated, nReceived, nSent, nFee;
 611             wtx.GetAccountAmounts(strAccount, nGenerated, nReceived, nSent, nFee);
 612
 613             if (nReceived != 0 && wtx.GetDepthInMainChain() >= nMinDepth)
 614                 nBalance += nReceived;
 615             nBalance += nGenerated - nSent - nFee;
 616         }
 617
 618         // Tally internal accounting entries
 619         nBalance += walletdb.GetAccountCreditDebit(strAccount);
 620     }
 621
 622     return nBalance;
 623 }
 624
 625 int64 GetAccountBalance(const string& strAccount, int nMinDepth)
 626 {
 627     CWalletDB walletdb;
 628     return GetAccountBalance(walletdb, strAccount, nMinDepth);
 629 }
 630
 631
 632 Value getbalance(const Array& params, bool fHelp)
 633 {
 634     if (fHelp || params.size() < 0 || params.size() > 2)
 635         throw runtime_error(
 636             "getbalance [account] [minconf=1]\n"
 637             "If [account] is not specified, returns the server's total available balance.\n"
 638             "If [account] is specified, returns the balance in the account.");
 639
 640     if (params.size() == 0)
 641         return  ValueFromAmount(GetBalance());
 642
 643     int nMinDepth = 1;
 644     if (params.size() > 1)
 645         nMinDepth = params[1].get_int();
 646
 647     if (params[0].get_str() == "*") {
 648         // Calculate total balance a different way from GetBalance()
 649         // (GetBalance() sums up all unspent TxOuts)
 650         // getbalance and getbalance '*' should always return the same number.
 651         int64 nBalance = 0;
 652         for (map<uint256, CWalletTx>::iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
 653         {
 654             const CWalletTx& wtx = (*it).second;
 655             if (!wtx.IsFinal())
 656                 continue;
 657
 658             int64 allGeneratedImmature, allGeneratedMature, allFee;
 659             allGeneratedImmature = allGeneratedMature = allFee = 0;
 660             string strSentAccount;
 661             list<pair<string, int64> > listReceived;
 662             list<pair<string, int64> > listSent;
 663             wtx.GetAmounts(allGeneratedImmature, allGeneratedMature, listReceived, listSent, allFee, strSentAccount);
 664             if (wtx.GetDepthInMainChain() >= nMinDepth)
 665                 foreach(const PAIRTYPE(string,int64)& r, listReceived)
 666                     nBalance += r.second;
 667             foreach(const PAIRTYPE(string,int64)& r, listSent)
 668                 nBalance -= r.second;
 669             nBalance -= allFee;
 670             nBalance += allGeneratedMature;
 671         }
 672         return  ValueFromAmount(nBalance);
 673     }
 674
 675     string strAccount = AccountFromValue(params[0]);
 676
 677     int64 nBalance = GetAccountBalance(strAccount, nMinDepth);
 678
 679     return ValueFromAmount(nBalance);
 680 }
 681
 682
 683 Value movecmd(const Array& params, bool fHelp)
 684 {
 685     if (fHelp || params.size() < 3 || params.size() > 5)
 686         throw runtime_error(
 687             "move <fromaccount> <toaccount> <amount> [minconf=1] [comment]\n"
 688             "Move from one account in your wallet to another.");
 689
 690     string strFrom = AccountFromValue(params[0]);
 691     string strTo = AccountFromValue(params[1]);
 692     int64 nAmount = AmountFromValue(params[2]);
 693     int nMinDepth = 1;
 694     if (params.size() > 3)
 695         nMinDepth = params[3].get_int();
 696     string strComment;
 697     if (params.size() > 4)
 698         strComment = params[4].get_str();
 699
 700     CRITICAL_BLOCK(cs_mapWallet)
 701     {
 702         CWalletDB walletdb;
 703         walletdb.TxnBegin();
 704
 705         // Check funds
 706         if (!strFrom.empty())
 707         {
 708             int64 nBalance = GetAccountBalance(walletdb, strFrom, nMinDepth);
 709             if (nAmount > nBalance)
 710                 throw JSONRPCError(-6, "Account has insufficient funds");
 711         }
 712         else
 713         {
 714             // move from "" account special case
 715             int64 nBalance = GetAccountBalance(walletdb, strTo, nMinDepth);
 716             if (nAmount > GetBalance() - nBalance)
 717                 throw JSONRPCError(-6, "Account has insufficient funds");
 718         }
 719
 720         int64 nNow = GetAdjustedTime();
 721
 722         // Debit
 723         CAccountingEntry debit;
 724         debit.strAccount = strFrom;
 725         debit.nCreditDebit = -nAmount;
 726         debit.nTime = nNow;
 727         debit.strOtherAccount = strTo;
 728         debit.strComment = strComment;
 729         walletdb.WriteAccountingEntry(debit);
 730
 731         // Credit
 732         CAccountingEntry credit;
 733         credit.strAccount = strTo;
 734         credit.nCreditDebit = nAmount;
 735         credit.nTime = nNow;
 736         credit.strOtherAccount = strFrom;
 737         credit.strComment = strComment;
 738         walletdb.WriteAccountingEntry(credit);
 739
 740         walletdb.TxnCommit();
 741     }
 742     return true;
 743 }
 744
 745
 746 Value sendfrom(const Array& params, bool fHelp)
 747 {
 748     if (fHelp || params.size() < 3 || params.size() > 6)
 749         throw runtime_error(
 750             "sendfrom <fromaccount> <tobitcoinaddress> <amount> [minconf=1] [comment] [comment-to]\n"
 751             "<amount> is a real and is rounded to the nearest 0.01");
 752
 753     string strAccount = AccountFromValue(params[0]);
 754     string strAddress = params[1].get_str();
 755     int64 nAmount = AmountFromValue(params[2]);
 756     int nMinDepth = 1;
 757     if (params.size() > 3)
 758         nMinDepth = params[3].get_int();
 759
 760     CWalletTx wtx;
 761     wtx.strFromAccount = strAccount;
 762     if (params.size() > 4 && params[4].type() != null_type && !params[4].get_str().empty())
 763         wtx.mapValue["comment"] = params[4].get_str();
 764     if (params.size() > 5 && params[5].type() != null_type && !params[5].get_str().empty())
 765         wtx.mapValue["to"]      = params[5].get_str();
 766
 767     CRITICAL_BLOCK(cs_main)
 768     CRITICAL_BLOCK(cs_mapWallet)
 769     {
 770         // Check funds
 771         int64 nBalance = GetAccountBalance(strAccount, nMinDepth);
 772         if (nAmount > nBalance)
 773             throw JSONRPCError(-6, "Account has insufficient funds");
 774
 775         // Send
 776         string strError = SendMoneyToBitcoinAddress(strAddress, nAmount, wtx);
 777         if (strError != "")
 778             throw JSONRPCError(-4, strError);
 779     }
 780
 781     return wtx.GetHash().GetHex();
 782 }
 783
 784 Value sendmany(const Array& params, bool fHelp)
 785 {
 786     if (fHelp || params.size() < 2 || params.size() > 4)
 787         throw runtime_error(
 788             "sendmany <fromaccount> {address:amount,...} [minconf=1] [comment]\n"
 789             "amounts are double-precision floating point numbers");
 790
 791     string strAccount = AccountFromValue(params[0]);
 792     Object sendTo = params[1].get_obj();
 793     int nMinDepth = 1;
 794     if (params.size() > 2)
 795         nMinDepth = params[2].get_int();
 796
 797     CWalletTx wtx;
 798     wtx.strFromAccount = strAccount;
 799     if (params.size() > 3 && params[3].type() != null_type && !params[3].get_str().empty())
 800         wtx.mapValue["comment"] = params[3].get_str();
 801
 802     set<string> setAddress;
 803     vector<pair<CScript, int64> > vecSend;
 804
 805     int64 totalAmount = 0;
 806     foreach(const Pair& s, sendTo)
 807     {
 808         uint160 hash160;
 809         string strAddress = s.name_;
 810
 811         if (setAddress.count(strAddress))
 812             throw JSONRPCError(-8, string("Invalid parameter, duplicated address: ")+strAddress);
 813         setAddress.insert(strAddress);
 814
 815         CScript scriptPubKey;
 816         if (!scriptPubKey.SetBitcoinAddress(strAddress))
 817             throw JSONRPCError(-5, string("Invalid bitcoin address:")+strAddress);
 818         int64 nAmount = AmountFromValue(s.value_);
 819         totalAmount += nAmount;
 820
 821         vecSend.push_back(make_pair(scriptPubKey, nAmount));
 822     }
 823
 824     CRITICAL_BLOCK(cs_main)
 825     CRITICAL_BLOCK(cs_mapWallet)
 826     {
 827         // Check funds
 828         int64 nBalance = GetAccountBalance(strAccount, nMinDepth);
 829         if (totalAmount > nBalance)
 830             throw JSONRPCError(-6, "Account has insufficient funds");
 831
 832         // Send
 833         CReserveKey keyChange;
 834         int64 nFeeRequired = 0;
 835         bool fCreated = CreateTransaction(vecSend, wtx, keyChange, nFeeRequired);
 836         if (!fCreated)
 837         {
 838             if (totalAmount + nFeeRequired > GetBalance())
 839                 throw JSONRPCError(-6, "Insufficient funds");
 840             throw JSONRPCError(-4, "Transaction creation failed");
 841         }
 842         if (!CommitTransaction(wtx, keyChange))
 843             throw JSONRPCError(-4, "Transaction commit failed");
 844     }
 845
 846     return wtx.GetHash().GetHex();
 847 }
 848
 849
 850 struct tallyitem
 851 {
 852     int64 nAmount;
 853     int nConf;
 854     tallyitem()
 855     {
 856         nAmount = 0;
 857         nConf = INT_MAX;
 858     }
 859 };
 860
 861 Value ListReceived(const Array& params, bool fByAccounts)
 862 {
 863     // Minimum confirmations
 864     int nMinDepth = 1;
 865     if (params.size() > 0)
 866         nMinDepth = params[0].get_int();
 867
 868     // Whether to include empty accounts
 869     bool fIncludeEmpty = false;
 870     if (params.size() > 1)
 871         fIncludeEmpty = params[1].get_bool();
 872
 873     // Tally
 874     map<uint160, tallyitem> mapTally;
 875     CRITICAL_BLOCK(cs_mapWallet)
 876     {
 877         for (map<uint256, CWalletTx>::iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
 878         {
 879             const CWalletTx& wtx = (*it).second;
 880             if (wtx.IsCoinBase() || !wtx.IsFinal())
 881                 continue;
 882
 883             int nDepth = wtx.GetDepthInMainChain();
 884             if (nDepth < nMinDepth)
 885                 continue;
 886
 887             foreach(const CTxOut& txout, wtx.vout)
 888             {
 889                 // Only counting our own bitcoin addresses and not ip addresses
 890                 uint160 hash160 = txout.scriptPubKey.GetBitcoinAddressHash160();
 891                 if (hash160 == 0 || !mapPubKeys.count(hash160)) // IsMine
 892                     continue;
 893
 894                 tallyitem& item = mapTally[hash160];
 895                 item.nAmount += txout.nValue;
 896                 item.nConf = min(item.nConf, nDepth);
 897             }
 898         }
 899     }
 900
 901     // Reply
 902     Array ret;
 903     map<string, tallyitem> mapAccountTally;
 904     CRITICAL_BLOCK(cs_mapAddressBook)
 905     {
 906         foreach(const PAIRTYPE(string, string)& item, mapAddressBook)
 907         {
 908             const string& strAddress = item.first;
 909             const string& strAccount = item.second;
 910             uint160 hash160;
 911             if (!AddressToHash160(strAddress, hash160))
 912                 continue;
 913             map<uint160, tallyitem>::iterator it = mapTally.find(hash160);
 914             if (it == mapTally.end() && !fIncludeEmpty)
 915                 continue;
 916
 917             int64 nAmount = 0;
 918             int nConf = INT_MAX;
 919             if (it != mapTally.end())
 920             {
 921                 nAmount = (*it).second.nAmount;
 922                 nConf = (*it).second.nConf;
 923             }
 924
 925             if (fByAccounts)
 926             {
 927                 tallyitem& item = mapAccountTally[strAccount];
 928                 item.nAmount += nAmount;
 929                 item.nConf = min(item.nConf, nConf);
 930             }
 931             else
 932             {
 933                 Object obj;
 934                 obj.push_back(Pair("address",       strAddress));
 935                 obj.push_back(Pair("account",       strAccount));
 936                 obj.push_back(Pair("label",         strAccount)); // deprecated
 937                 obj.push_back(Pair("amount",        ValueFromAmount(nAmount)));
 938                 obj.push_back(Pair("confirmations", (nConf == INT_MAX ? 0 : nConf)));
 939                 ret.push_back(obj);
 940             }
 941         }
 942     }
 943
 944     if (fByAccounts)
 945     {
 946         for (map<string, tallyitem>::iterator it = mapAccountTally.begin(); it != mapAccountTally.end(); ++it)
 947         {
 948             int64 nAmount = (*it).second.nAmount;
 949             int nConf = (*it).second.nConf;
 950             Object obj;
 951             obj.push_back(Pair("account",       (*it).first));
 952             obj.push_back(Pair("label",         (*it).first)); // deprecated
 953             obj.push_back(Pair("amount",        ValueFromAmount(nAmount)));
 954             obj.push_back(Pair("confirmations", (nConf == INT_MAX ? 0 : nConf)));
 955             ret.push_back(obj);
 956         }
 957     }
 958
 959     return ret;
 960 }
 961
 962 Value listreceivedbyaddress(const Array& params, bool fHelp)
 963 {
 964     if (fHelp || params.size() > 2)
 965         throw runtime_error(
 966             "listreceivedbyaddress [minconf=1] [includeempty=false]\n"
 967             "[minconf] is the minimum number of confirmations before payments are included.\n"
 968             "[includeempty] whether to include addresses that haven't received any payments.\n"
 969             "Returns an array of objects containing:\n"
 970             "  \"address\" : receiving address\n"
 971             "  \"account\" : the account of the receiving address\n"
 972             "  \"amount\" : total amount received by the address\n"
 973             "  \"confirmations\" : number of confirmations of the most recent transaction included");
 974
 975     return ListReceived(params, false);
 976 }
 977
 978 Value listreceivedbyaccount(const Array& params, bool fHelp)
 979 {
 980     if (fHelp || params.size() > 2)
 981         throw runtime_error(
 982             "listreceivedbyaccount [minconf=1] [includeempty=false]\n"
 983             "[minconf] is the minimum number of confirmations before payments are included.\n"
 984             "[includeempty] whether to include accounts that haven't received any payments.\n"
 985             "Returns an array of objects containing:\n"
 986             "  \"account\" : the account of the receiving addresses\n"
 987             "  \"amount\" : total amount received by addresses with this account\n"
 988             "  \"confirmations\" : number of confirmations of the most recent transaction included");
 989
 990     return ListReceived(params, true);
 991 }
 992
 993 void ListTransactions(const CWalletTx& wtx, const string& strAccount, int nMinDepth, bool fLong, Array& ret)
 994 {
 995     int64 nGeneratedImmature, nGeneratedMature, nFee;
 996     string strSentAccount;
 997     list<pair<string, int64> > listReceived;
 998     list<pair<string, int64> > listSent;
 999     wtx.GetAmounts(nGeneratedImmature, nGeneratedMature, listReceived, listSent, nFee, strSentAccount);
1000
1001     bool fAllAccounts = (strAccount == string("*"));
1002
1003     // Generated blocks assigned to account ""
1004     if ((nGeneratedMature+nGeneratedImmature) != 0 && (fAllAccounts || strAccount == ""))
1005     {
1006         Object entry;
1007         entry.push_back(Pair("account", string("")));
1008         if (nGeneratedImmature)
1009         {
1010             entry.push_back(Pair("category", wtx.GetDepthInMainChain() ? "immature" : "orphan"));
1011             entry.push_back(Pair("amount", ValueFromAmount(nGeneratedImmature)));
1012         }
1013         else
1014         {
1015             entry.push_back(Pair("category", "generate"));
1016             entry.push_back(Pair("amount", ValueFromAmount(nGeneratedMature)));
1017         }
1018         if (fLong)
1019             WalletTxToJSON(wtx, entry);
1020         ret.push_back(entry);
1021     }
1022
1023     // Sent
1024     if ((!listSent.empty() || nFee != 0) && (fAllAccounts || strAccount == strSentAccount))
1025     {
1026         foreach(const PAIRTYPE(string, int64)& s, listSent)
1027         {
1028             Object entry;
1029             entry.push_back(Pair("account", strSentAccount));
1030             entry.push_back(Pair("address", s.first));
1031             entry.push_back(Pair("category", "send"));
1032             entry.push_back(Pair("amount", ValueFromAmount(-s.second)));
1033             entry.push_back(Pair("fee", ValueFromAmount(-nFee)));
1034             if (fLong)
1035                 WalletTxToJSON(wtx, entry);
1036             ret.push_back(entry);
1037         }
1038     }
1039
1040     // Received
1041     if (listReceived.size() > 0 && wtx.GetDepthInMainChain() >= nMinDepth)
1042         CRITICAL_BLOCK(cs_mapAddressBook)
1043         {
1044             foreach(const PAIRTYPE(string, int64)& r, listReceived)
1045             {
1046                 string account;
1047                 if (mapAddressBook.count(r.first))
1048                     account = mapAddressBook[r.first];
1049                 if (fAllAccounts || (account == strAccount))
1050                 {
1051                     Object entry;
1052                     entry.push_back(Pair("account", account));
1053                     entry.push_back(Pair("address", r.first));
1054                     entry.push_back(Pair("category", "receive"));
1055                     entry.push_back(Pair("amount", ValueFromAmount(r.second)));
1056                     if (fLong)
1057                         WalletTxToJSON(wtx, entry);
1058                     ret.push_back(entry);
1059                 }
1060             }
1061         }
1062
1063 }
1064
1065 void AcentryToJSON(const CAccountingEntry& acentry, const string& strAccount, Array& ret)
1066 {
1067     bool fAllAccounts = (strAccount == string("*"));
1068
1069     if (fAllAccounts || acentry.strAccount == strAccount)
1070     {
1071         Object entry;
1072         entry.push_back(Pair("account", acentry.strAccount));
1073         entry.push_back(Pair("category", "move"));
1074         entry.push_back(Pair("time", (boost::int64_t)acentry.nTime));
1075         entry.push_back(Pair("amount", ValueFromAmount(acentry.nCreditDebit)));
1076         entry.push_back(Pair("otheraccount", acentry.strOtherAccount));
1077         entry.push_back(Pair("comment", acentry.strComment));
1078         ret.push_back(entry);
1079     }
1080 }
1081
1082 Value listtransactions(const Array& params, bool fHelp)
1083 {
1084     if (fHelp || params.size() > 2)
1085         throw runtime_error(
1086             "listtransactions [account] [count=10]\n"
1087             "Returns up to [count] most recent transactions for account <account>.");
1088
1089     string strAccount = "*";
1090     if (params.size() > 0)
1091         strAccount = params[0].get_str();
1092     int nCount = 10;
1093     if (params.size() > 1)
1094         nCount = params[1].get_int();
1095
1096     Array ret;
1097     CWalletDB walletdb;
1098
1099     CRITICAL_BLOCK(cs_mapWallet)
1100     {
1101         // Firs: get all CWalletTx and CAccountingEntry into a sorted-by-time multimap:
1102         typedef pair<CWalletTx*, CAccountingEntry*> TxPair;
1103         typedef multimap<int64, TxPair > TxItems;
1104         TxItems txByTime;
1105
1106         for (map<uint256, CWalletTx>::iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
1107         {
1108             CWalletTx* wtx = &((*it).second);
1109             txByTime.insert(make_pair(wtx->GetTxTime(), TxPair(wtx, (CAccountingEntry*)0)));
1110         }
1111         list<CAccountingEntry> acentries;
1112         walletdb.ListAccountCreditDebit(strAccount, acentries);
1113         foreach(CAccountingEntry& entry, acentries)
1114         {
1115             txByTime.insert(make_pair(entry.nTime, TxPair((CWalletTx*)0, &entry)));
1116         }
1117
1118         // Now: iterate backwards until we have nCount items to return:
1119         for (TxItems::reverse_iterator it = txByTime.rbegin(); it != txByTime.rend(); ++it)
1120         {
1121             CWalletTx *const pwtx = (*it).second.first;
1122             if (pwtx != 0)
1123                 ListTransactions(*pwtx, strAccount, 0, true, ret);
1124             CAccountingEntry *const pacentry = (*it).second.second;
1125             if (pacentry != 0)
1126                 AcentryToJSON(*pacentry, strAccount, ret);
1127
1128             if (ret.size() >= nCount) break;
1129         }
1130         // ret is now newest to oldest
1131     }
1132
1133     // Make sure we return only last nCount items (sends-to-self might give us an extra):
1134     if (ret.size() > nCount)
1135     {
1136         Array::iterator last = ret.begin();
1137         std::advance(last, nCount);
1138         ret.erase(last, ret.end());
1139     }
1140     std::reverse(ret.begin(), ret.end()); // oldest to newest
1141
1142     return ret;
1143 }
1144
1145 Value listaccounts(const Array& params, bool fHelp)
1146 {
1147     if (fHelp || params.size() > 1)
1148         throw runtime_error(
1149             "listaccounts [minconf=1]\n"
1150             "Returns Object that has account names as keys, account balances as values.");
1151
1152     int nMinDepth = 1;
1153     if (params.size() > 0)
1154         nMinDepth = params[0].get_int();
1155
1156     map<string, int64> mapAccountBalances;
1157     CRITICAL_BLOCK(cs_mapWallet)
1158     CRITICAL_BLOCK(cs_mapAddressBook)
1159     {
1160         foreach(const PAIRTYPE(string, string)& entry, mapAddressBook) {
1161             uint160 hash160;
1162             if(AddressToHash160(entry.first, hash160) && mapPubKeys.count(hash160)) // This address belongs to me
1163                 mapAccountBalances[entry.second] = 0;
1164         }
1165
1166         for (map<uint256, CWalletTx>::iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
1167         {
1168             const CWalletTx& wtx = (*it).second;
1169             int64 nGeneratedImmature, nGeneratedMature, nFee;
1170             string strSentAccount;
1171             list<pair<string, int64> > listReceived;
1172             list<pair<string, int64> > listSent;
1173             wtx.GetAmounts(nGeneratedImmature, nGeneratedMature, listReceived, listSent, nFee, strSentAccount);
1174             mapAccountBalances[strSentAccount] -= nFee;
1175             foreach(const PAIRTYPE(string, int64)& s, listSent)
1176                 mapAccountBalances[strSentAccount] -= s.second;
1177             if (wtx.GetDepthInMainChain() >= nMinDepth)
1178             {
1179                 mapAccountBalances[""] += nGeneratedMature;
1180                 foreach(const PAIRTYPE(string, int64)& r, listReceived)
1181                     if (mapAddressBook.count(r.first))
1182                         mapAccountBalances[mapAddressBook[r.first]] += r.second;
1183                     else
1184                         mapAccountBalances[""] += r.second;
1185             }
1186         }
1187     }
1188
1189     list<CAccountingEntry> acentries;
1190     CWalletDB().ListAccountCreditDebit("*", acentries);
1191     foreach(const CAccountingEntry& entry, acentries)
1192         mapAccountBalances[entry.strAccount] += entry.nCreditDebit;
1193
1194     Object ret;
1195     foreach(const PAIRTYPE(string, int64)& accountBalance, mapAccountBalances) {
1196         ret.push_back(Pair(accountBalance.first, ValueFromAmount(accountBalance.second)));
1197     }
1198     return ret;
1199 }
1200
1201 Value gettransaction(const Array& params, bool fHelp)
1202 {
1203     if (fHelp || params.size() != 1)
1204         throw runtime_error(
1205             "gettransaction <txid>\n"
1206             "Get detailed information about <txid>");
1207
1208     uint256 hash;
1209     hash.SetHex(params[0].get_str());
1210
1211     Object entry;
1212     CRITICAL_BLOCK(cs_mapWallet)
1213     {
1214         if (!mapWallet.count(hash))
1215             throw JSONRPCError(-5, "Invalid or non-wallet transaction id");
1216         const CWalletTx& wtx = mapWallet[hash];
1217
1218         int64 nCredit = wtx.GetCredit();
1219         int64 nDebit = wtx.GetDebit();
1220         int64 nNet = nCredit - nDebit;
1221         int64 nFee = (wtx.IsFromMe() ? wtx.GetValueOut() - nDebit : 0);
1222
1223         entry.push_back(Pair("amount", ValueFromAmount(nNet - nFee)));
1224         if (wtx.IsFromMe())
1225             entry.push_back(Pair("fee", ValueFromAmount(nFee)));
1226
1227         WalletTxToJSON(mapWallet[hash], entry);
1228
1229         Array details;
1230         ListTransactions(mapWallet[hash], "*", 0, false, details);
1231         entry.push_back(Pair("details", details));
1232     }
1233
1234     return entry;
1235 }
1236
1237
1238 Value backupwallet(const Array& params, bool fHelp)
1239 {
1240     if (fHelp || params.size() != 1)
1241         throw runtime_error(
1242             "backupwallet <destination>\n"
1243             "Safely copies wallet.dat to destination, which can be a directory or a path with filename.");
1244
1245     string strDest = params[0].get_str();
1246     BackupWallet(strDest);
1247
1248     return Value::null;
1249 }
1250
1251
1252 Value validateaddress(const Array& params, bool fHelp)
1253 {
1254     if (fHelp || params.size() != 1)
1255         throw runtime_error(
1256             "validateaddress <bitcoinaddress>\n"
1257             "Return information about <bitcoinaddress>.");
1258
1259     string strAddress = params[0].get_str();
1260     uint160 hash160;
1261     bool isValid = AddressToHash160(strAddress, hash160);
1262
1263     Object ret;
1264     ret.push_back(Pair("isvalid", isValid));
1265     if (isValid)
1266     {
1267         // Call Hash160ToAddress() so we always return current ADDRESSVERSION
1268         // version of the address:
1269         string currentAddress = Hash160ToAddress(hash160);
1270         ret.push_back(Pair("address", currentAddress));
1271         ret.push_back(Pair("ismine", (mapPubKeys.count(hash160) > 0)));
1272         CRITICAL_BLOCK(cs_mapAddressBook)
1273         {
1274             if (mapAddressBook.count(currentAddress))
1275                 ret.push_back(Pair("account", mapAddressBook[currentAddress]));
1276         }
1277     }
1278     return ret;
1279 }
1280
1281
1282 Value getwork(const Array& params, bool fHelp)
1283 {
1284     if (fHelp || params.size() > 1)
1285         throw runtime_error(
1286             "getwork [data]\n"
1287             "If [data] is not specified, returns formatted hash data to work on:\n"
1288             "  \"midstate\" : precomputed hash state after hashing the first half of the data\n"
1289             "  \"data\" : block data\n"
1290             "  \"hash1\" : formatted hash buffer for second hash\n"
1291             "  \"target\" : little endian hash target\n"
1292             "If [data] is specified, tries to solve the block and returns true if it was successful.");
1293
1294     if (vNodes.empty())
1295         throw JSONRPCError(-9, "Bitcoin is not connected!");
1296
1297     if (IsInitialBlockDownload())
1298         throw JSONRPCError(-10, "Bitcoin is downloading blocks...");
1299
1300     static map<uint256, pair<CBlock*, unsigned int> > mapNewBlock;
1301     static vector<CBlock*> vNewBlock;
1302     static CReserveKey reservekey;
1303
1304     if (params.size() == 0)
1305     {
1306         // Update block
1307         static unsigned int nTransactionsUpdatedLast;
1308         static CBlockIndex* pindexPrev;
1309         static int64 nStart;
1310         static CBlock* pblock;
1311         if (pindexPrev != pindexBest ||
1312             (nTransactionsUpdated != nTransactionsUpdatedLast && GetTime() - nStart > 60))
1313         {
1314             if (pindexPrev != pindexBest)
1315             {
1316                 // Deallocate old blocks since they're obsolete now
1317                 mapNewBlock.clear();
1318                 foreach(CBlock* pblock, vNewBlock)
1319                     delete pblock;
1320                 vNewBlock.clear();
1321             }
1322             nTransactionsUpdatedLast = nTransactionsUpdated;
1323             pindexPrev = pindexBest;
1324             nStart = GetTime();
1325
1326             // Create new block
1327             pblock = CreateNewBlock(reservekey);
1328             if (!pblock)
1329                 throw JSONRPCError(-7, "Out of memory");
1330             vNewBlock.push_back(pblock);
1331         }
1332
1333         // Update nTime
1334         pblock->nTime = max(pindexPrev->GetMedianTimePast()+1, GetAdjustedTime());
1335         pblock->nNonce = 0;
1336
1337         // Update nExtraNonce
1338         static unsigned int nExtraNonce = 0;
1339         static int64 nPrevTime = 0;
1340         IncrementExtraNonce(pblock, pindexPrev, nExtraNonce, nPrevTime);
1341
1342         // Save
1343         mapNewBlock[pblock->hashMerkleRoot] = make_pair(pblock, nExtraNonce);
1344
1345         // Prebuild hash buffers
1346         char pmidstate[32];
1347         char pdata[128];
1348         char phash1[64];
1349         FormatHashBuffers(pblock, pmidstate, pdata, phash1);
1350
1351         uint256 hashTarget = CBigNum().SetCompact(pblock->nBits).getuint256();
1352
1353         Object result;
1354         result.push_back(Pair("midstate", HexStr(BEGIN(pmidstate), END(pmidstate))));
1355         result.push_back(Pair("data",     HexStr(BEGIN(pdata), END(pdata))));
1356         result.push_back(Pair("hash1",    HexStr(BEGIN(phash1), END(phash1))));
1357         result.push_back(Pair("target",   HexStr(BEGIN(hashTarget), END(hashTarget))));
1358         return result;
1359     }
1360     else
1361     {
1362         // Parse parameters
1363         vector<unsigned char> vchData = ParseHex(params[0].get_str());
1364         if (vchData.size() != 128)
1365             throw JSONRPCError(-8, "Invalid parameter");
1366         CBlock* pdata = (CBlock*)&vchData[0];
1367
1368         // Byte reverse
1369         for (int i = 0; i < 128/4; i++)
1370             ((unsigned int*)pdata)[i] = CryptoPP::ByteReverse(((unsigned int*)pdata)[i]);
1371
1372         // Get saved block
1373         if (!mapNewBlock.count(pdata->hashMerkleRoot))
1374             return false;
1375         CBlock* pblock = mapNewBlock[pdata->hashMerkleRoot].first;
1376         unsigned int nExtraNonce = mapNewBlock[pdata->hashMerkleRoot].second;
1377
1378         pblock->nTime = pdata->nTime;
1379         pblock->nNonce = pdata->nNonce;
1380         pblock->vtx[0].vin[0].scriptSig = CScript() << pblock->nBits << CBigNum(nExtraNonce);
1381         pblock->hashMerkleRoot = pblock->BuildMerkleTree();
1382
1383         return CheckWork(pblock, reservekey);
1384     }
1385 }
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397 //
1398 // Call Table
1399 //
1400
1401 pair<string, rpcfn_type> pCallTable[] =
1402 {
1403     make_pair("help",                  &help),
1404     make_pair("stop",                  &stop),
1405     make_pair("getblockcount",         &getblockcount),
1406     make_pair("getblocknumber",        &getblocknumber),
1407     make_pair("getconnectioncount",    &getconnectioncount),
1408     make_pair("getdifficulty",         &getdifficulty),
1409     make_pair("getgenerate",           &getgenerate),
1410     make_pair("setgenerate",           &setgenerate),
1411     make_pair("gethashespersec",       &gethashespersec),
1412     make_pair("getinfo",               &getinfo),
1413     make_pair("getnewaddress",         &getnewaddress),
1414     make_pair("getaccountaddress",     &getaccountaddress),
1415     make_pair("setaccount",            &setaccount),
1416     make_pair("setlabel",              &setaccount), // deprecated
1417     make_pair("getaccount",            &getaccount),
1418     make_pair("getlabel",              &getaccount), // deprecated
1419     make_pair("getaddressesbyaccount", &getaddressesbyaccount),
1420     make_pair("getaddressesbylabel",   &getaddressesbyaccount), // deprecated
1421     make_pair("sendtoaddress",         &sendtoaddress),
1422     make_pair("getamountreceived",     &getreceivedbyaddress), // deprecated, renamed to getreceivedbyaddress
1423     make_pair("getallreceived",        &listreceivedbyaddress), // deprecated, renamed to listreceivedbyaddress
1424     make_pair("getreceivedbyaddress",  &getreceivedbyaddress),
1425     make_pair("getreceivedbyaccount",  &getreceivedbyaccount),
1426     make_pair("getreceivedbylabel",    &getreceivedbyaccount), // deprecated
1427     make_pair("listreceivedbyaddress", &listreceivedbyaddress),
1428     make_pair("listreceivedbyaccount", &listreceivedbyaccount),
1429     make_pair("listreceivedbylabel",   &listreceivedbyaccount), // deprecated
1430     make_pair("backupwallet",          &backupwallet),
1431     make_pair("validateaddress",       &validateaddress),
1432     make_pair("getbalance",            &getbalance),
1433     make_pair("move",                  &movecmd),
1434     make_pair("sendfrom",              &sendfrom),
1435     make_pair("sendmany",              &sendmany),
1436     make_pair("gettransaction",        &gettransaction),
1437     make_pair("listtransactions",      &listtransactions),
1438     make_pair("getwork",               &getwork),
1439     make_pair("listaccounts",          &listaccounts),
1440 };
1441 map<string, rpcfn_type> mapCallTable(pCallTable, pCallTable + sizeof(pCallTable)/sizeof(pCallTable[0]));
1442
1443 string pAllowInSafeMode[] =
1444 {
1445     "help",
1446     "stop",
1447     "getblockcount",
1448     "getblocknumber",
1449     "getconnectioncount",
1450     "getdifficulty",
1451     "getgenerate",
1452     "setgenerate",
1453     "gethashespersec",
1454     "getinfo",
1455     "getnewaddress",
1456     "getaccountaddress",
1457     "setlabel",
1458     "getaccount",
1459     "getlabel", // deprecated
1460     "getaddressesbyaccount",
1461     "getaddressesbylabel", // deprecated
1462     "backupwallet",
1463     "validateaddress",
1464     "getwork",
1465 };
1466 set<string> setAllowInSafeMode(pAllowInSafeMode, pAllowInSafeMode + sizeof(pAllowInSafeMode)/sizeof(pAllowInSafeMode[0]));
1467
1468
1469
1470
1471 //
1472 // HTTP protocol
1473 //
1474 // This ain't Apache.  We're just using HTTP header for the length field
1475 // and to be compatible with other JSON-RPC implementations.
1476 //
1477
1478 string HTTPPost(const string& strMsg, const map<string,string>& mapRequestHeaders)
1479 {
1480     ostringstream s;
1481     s << "POST / HTTP/1.1\r\n"
1482       << "User-Agent: bitcoin-json-rpc/" << FormatFullVersion() << "\r\n"
1483       << "Host: 127.0.0.1\r\n"
1484       << "Content-Type: application/json\r\n"
1485       << "Content-Length: " << strMsg.size() << "\r\n"
1486       << "Accept: application/json\r\n";
1487     foreach(const PAIRTYPE(string, string)& item, mapRequestHeaders)
1488         s << item.first << ": " << item.second << "\r\n";
1489     s << "\r\n" << strMsg;
1490
1491     return s.str();
1492 }
1493
1494 string rfc1123Time()
1495 {
1496     char buffer[64];
1497     time_t now;
1498     time(&now);
1499     struct tm* now_gmt = gmtime(&now);
1500     string locale(setlocale(LC_TIME, NULL));
1501     setlocale(LC_TIME, "C"); // we want posix (aka "C") weekday/month strings
1502     strftime(buffer, sizeof(buffer), "%a, %d %b %Y %H:%M:%S +0000", now_gmt);
1503     setlocale(LC_TIME, locale.c_str());
1504     return string(buffer);
1505 }
1506
1507 string HTTPReply(int nStatus, const string& strMsg)
1508 {
1509     if (nStatus == 401)
1510         return strprintf("HTTP/1.0 401 Authorization Required\r\n"
1511             "Date: %s\r\n"
1512             "Server: bitcoin-json-rpc/%s\r\n"
1513             "WWW-Authenticate: Basic realm=\"jsonrpc\"\r\n"
1514             "Content-Type: text/html\r\n"
1515             "Content-Length: 296\r\n"
1516             "\r\n"
1517             "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\"\r\n"
1518             "\"http://www.w3.org/TR/1999/REC-html401-19991224/loose.dtd\">\r\n"
1519             "<HTML>\r\n"
1520             "<HEAD>\r\n"
1521             "<TITLE>Error</TITLE>\r\n"
1522             "<META HTTP-EQUIV='Content-Type' CONTENT='text/html; charset=ISO-8859-1'>\r\n"
1523             "</HEAD>\r\n"
1524             "<BODY><H1>401 Unauthorized.</H1></BODY>\r\n"
1525             "</HTML>\r\n", rfc1123Time().c_str(), FormatFullVersion().c_str());
1526     string strStatus;
1527          if (nStatus == 200) strStatus = "OK";
1528     else if (nStatus == 400) strStatus = "Bad Request";
1529     else if (nStatus == 404) strStatus = "Not Found";
1530     else if (nStatus == 500) strStatus = "Internal Server Error";
1531     return strprintf(
1532             "HTTP/1.1 %d %s\r\n"
1533             "Date: %s\r\n"
1534             "Connection: close\r\n"
1535             "Content-Length: %d\r\n"
1536             "Content-Type: application/json\r\n"
1537             "Server: bitcoin-json-rpc/%s\r\n"
1538             "\r\n"
1539             "%s",
1540         nStatus,
1541         strStatus.c_str(),
1542         rfc1123Time().c_str(),
1543         strMsg.size(),
1544         FormatFullVersion().c_str(),
1545         strMsg.c_str());
1546 }
1547
1548 int ReadHTTPStatus(std::basic_istream<char>& stream)
1549 {
1550     string str;
1551     getline(stream, str);
1552     vector<string> vWords;
1553     boost::split(vWords, str, boost::is_any_of(" "));
1554     if (vWords.size() < 2)
1555         return 500;
1556     return atoi(vWords[1].c_str());
1557 }
1558
1559 int ReadHTTPHeader(std::basic_istream<char>& stream, map<string, string>& mapHeadersRet)
1560 {
1561     int nLen = 0;
1562     loop
1563     {
1564         string str;
1565         std::getline(stream, str);
1566         if (str.empty() || str == "\r")
1567             break;
1568         string::size_type nColon = str.find(":");
1569         if (nColon != string::npos)
1570         {
1571             string strHeader = str.substr(0, nColon);
1572             boost::trim(strHeader);
1573             string strValue = str.substr(nColon+1);
1574             boost::trim(strValue);
1575             mapHeadersRet[strHeader] = strValue;
1576             if (strHeader == "Content-Length")
1577                 nLen = atoi(strValue.c_str());
1578         }
1579     }
1580     return nLen;
1581 }
1582
1583 int ReadHTTP(std::basic_istream<char>& stream, map<string, string>& mapHeadersRet, string& strMessageRet)
1584 {
1585     mapHeadersRet.clear();
1586     strMessageRet = "";
1587
1588     // Read status
1589     int nStatus = ReadHTTPStatus(stream);
1590
1591     // Read header
1592     int nLen = ReadHTTPHeader(stream, mapHeadersRet);
1593     if (nLen < 0 || nLen > MAX_SIZE)
1594         return 500;
1595
1596     // Read message
1597     if (nLen > 0)
1598     {
1599         vector<char> vch(nLen);
1600         stream.read(&vch[0], nLen);
1601         strMessageRet = string(vch.begin(), vch.end());
1602     }
1603
1604     return nStatus;
1605 }
1606
1607 string EncodeBase64(string s)
1608 {
1609     BIO *b64, *bmem;
1610     BUF_MEM *bptr;
1611
1612     b64 = BIO_new(BIO_f_base64());
1613     BIO_set_flags(b64, BIO_FLAGS_BASE64_NO_NL);
1614     bmem = BIO_new(BIO_s_mem());
1615     b64 = BIO_push(b64, bmem);
1616     BIO_write(b64, s.c_str(), s.size());
1617     BIO_flush(b64);
1618     BIO_get_mem_ptr(b64, &bptr);
1619
1620     string result(bptr->data, bptr->length);
1621     BIO_free_all(b64);
1622
1623     return result;
1624 }
1625
1626 string DecodeBase64(string s)
1627 {
1628     BIO *b64, *bmem;
1629
1630     char* buffer = static_cast<char*>(calloc(s.size(), sizeof(char)));
1631
1632     b64 = BIO_new(BIO_f_base64());
1633     BIO_set_flags(b64, BIO_FLAGS_BASE64_NO_NL);
1634     bmem = BIO_new_mem_buf(const_cast<char*>(s.c_str()), s.size());
1635     bmem = BIO_push(b64, bmem);
1636     BIO_read(bmem, buffer, s.size());
1637     BIO_free_all(bmem);
1638
1639     string result(buffer);
1640     free(buffer);
1641     return result;
1642 }
1643
1644 bool HTTPAuthorized(map<string, string>& mapHeaders)
1645 {
1646     string strAuth = mapHeaders["Authorization"];
1647     if (strAuth.substr(0,6) != "Basic ")
1648         return false;
1649     string strUserPass64 = strAuth.substr(6); boost::trim(strUserPass64);
1650     string strUserPass = DecodeBase64(strUserPass64);
1651     string::size_type nColon = strUserPass.find(":");
1652     if (nColon == string::npos)
1653         return false;
1654     string strUser = strUserPass.substr(0, nColon);
1655     string strPassword = strUserPass.substr(nColon+1);
1656     return (strUser == mapArgs["-rpcuser"] && strPassword == mapArgs["-rpcpassword"]);
1657 }
1658
1659 //
1660 // JSON-RPC protocol.  Bitcoin speaks version 1.0 for maximum compatibility,
1661 // but uses JSON-RPC 1.1/2.0 standards for parts of the 1.0 standard that were
1662 // unspecified (HTTP errors and contents of 'error').
1663 //
1664 // 1.0 spec: http://json-rpc.org/wiki/specification
1665 // 1.2 spec: http://groups.google.com/group/json-rpc/web/json-rpc-over-http
1666 // http://www.codeproject.com/KB/recipes/JSON_Spirit.aspx
1667 //
1668
1669 string JSONRPCRequest(const string& strMethod, const Array& params, const Value& id)
1670 {
1671     Object request;
1672     request.push_back(Pair("method", strMethod));
1673     request.push_back(Pair("params", params));
1674     request.push_back(Pair("id", id));
1675     return write_string(Value(request), false) + "\n";
1676 }
1677
1678 string JSONRPCReply(const Value& result, const Value& error, const Value& id)
1679 {
1680     Object reply;
1681     if (error.type() != null_type)
1682         reply.push_back(Pair("result", Value::null));
1683     else
1684         reply.push_back(Pair("result", result));
1685     reply.push_back(Pair("error", error));
1686     reply.push_back(Pair("id", id));
1687     return write_string(Value(reply), false) + "\n";
1688 }
1689
1690 void ErrorReply(std::ostream& stream, const Object& objError, const Value& id)
1691 {
1692     // Send error reply from json-rpc error object
1693     int nStatus = 500;
1694     int code = find_value(objError, "code").get_int();
1695     if (code == -32600) nStatus = 400;
1696     else if (code == -32601) nStatus = 404;
1697     string strReply = JSONRPCReply(Value::null, objError, id);
1698     stream << HTTPReply(nStatus, strReply) << std::flush;
1699 }
1700
1701 bool ClientAllowed(const string& strAddress)
1702 {
1703     if (strAddress == asio::ip::address_v4::loopback().to_string())
1704         return true;
1705     const vector<string>& vAllow = mapMultiArgs["-rpcallowip"];
1706     foreach(string strAllow, vAllow)
1707         if (WildcardMatch(strAddress, strAllow))
1708             return true;
1709     return false;
1710 }
1711
1712 #ifdef USE_SSL
1713 //
1714 // IOStream device that speaks SSL but can also speak non-SSL
1715 //
1716 class SSLIOStreamDevice : public iostreams::device<iostreams::bidirectional> {
1717 public:
1718     SSLIOStreamDevice(SSLStream &streamIn, bool fUseSSLIn) : stream(streamIn)
1719     {
1720         fUseSSL = fUseSSLIn;
1721         fNeedHandshake = fUseSSLIn;
1722     }
1723
1724     void handshake(ssl::stream_base::handshake_type role)
1725     {
1726         if (!fNeedHandshake) return;
1727         fNeedHandshake = false;
1728         stream.handshake(role);
1729     }
1730     std::streamsize read(char* s, std::streamsize n)
1731     {
1732         handshake(ssl::stream_base::server); // HTTPS servers read first
1733         if (fUseSSL) return stream.read_some(asio::buffer(s, n));
1734         return stream.next_layer().read_some(asio::buffer(s, n));
1735     }
1736     std::streamsize write(const char* s, std::streamsize n)
1737     {
1738         handshake(ssl::stream_base::client); // HTTPS clients write first
1739         if (fUseSSL) return asio::write(stream, asio::buffer(s, n));
1740         return asio::write(stream.next_layer(), asio::buffer(s, n));
1741     }
1742     bool connect(const std::string& server, const std::string& port)
1743     {
1744         ip::tcp::resolver resolver(stream.get_io_service());
1745         ip::tcp::resolver::query query(server.c_str(), port.c_str());
1746         ip::tcp::resolver::iterator endpoint_iterator = resolver.resolve(query);
1747         ip::tcp::resolver::iterator end;
1748         boost::system::error_code error = asio::error::host_not_found;
1749         while (error && endpoint_iterator != end)
1750         {
1751             stream.lowest_layer().close();
1752             stream.lowest_layer().connect(*endpoint_iterator++, error);
1753         }
1754         if (error)
1755             return false;
1756         return true;
1757     }
1758
1759 private:
1760     bool fNeedHandshake;
1761     bool fUseSSL;
1762     SSLStream& stream;
1763 };
1764 #endif
1765
1766 void ThreadRPCServer(void* parg)
1767 {
1768     IMPLEMENT_RANDOMIZE_STACK(ThreadRPCServer(parg));
1769     try
1770     {
1771         vnThreadsRunning[4]++;
1772         ThreadRPCServer2(parg);
1773         vnThreadsRunning[4]--;
1774     }
1775     catch (std::exception& e) {
1776         vnThreadsRunning[4]--;
1777         PrintException(&e, "ThreadRPCServer()");
1778     } catch (...) {
1779         vnThreadsRunning[4]--;
1780         PrintException(NULL, "ThreadRPCServer()");
1781     }
1782     printf("ThreadRPCServer exiting\n");
1783 }
1784
1785 void ThreadRPCServer2(void* parg)
1786 {
1787     printf("ThreadRPCServer started\n");
1788
1789     if (mapArgs["-rpcuser"] == "" && mapArgs["-rpcpassword"] == "")
1790     {
1791         string strWhatAmI = "To use bitcoind";
1792         if (mapArgs.count("-server"))
1793             strWhatAmI = strprintf(_("To use the %s option"), "\"-server\"");
1794         else if (mapArgs.count("-daemon"))
1795             strWhatAmI = strprintf(_("To use the %s option"), "\"-daemon\"");
1796         PrintConsole(
1797             _("Warning: %s, you must set rpcpassword=<password>\nin the configuration file: %s\n"
1798               "If the file does not exist, create it with owner-readable-only file permissions.\n"),
1799                 strWhatAmI.c_str(),
1800                 GetConfigFile().c_str());
1801         CreateThread(Shutdown, NULL);
1802         return;
1803     }
1804
1805     bool fUseSSL = GetBoolArg("-rpcssl");
1806     asio::ip::address bindAddress = mapArgs.count("-rpcallowip") ? asio::ip::address_v4::any() : asio::ip::address_v4::loopback();
1807
1808     asio::io_service io_service;
1809     ip::tcp::endpoint endpoint(bindAddress, GetArg("-rpcport", 8332));
1810     ip::tcp::acceptor acceptor(io_service, endpoint);
1811
1812     acceptor.set_option(boost::asio::ip::tcp::acceptor::reuse_address(true));
1813
1814 #ifdef USE_SSL
1815     ssl::context context(io_service, ssl::context::sslv23);
1816     if (fUseSSL)
1817     {
1818         context.set_options(ssl::context::no_sslv2);
1819         filesystem::path certfile = GetArg("-rpcsslcertificatechainfile", "server.cert");
1820         if (!certfile.is_complete()) certfile = filesystem::path(GetDataDir()) / certfile;
1821         if (filesystem::exists(certfile)) context.use_certificate_chain_file(certfile.string().c_str());
1822         else printf("ThreadRPCServer ERROR: missing server certificate file %s\n", certfile.string().c_str());
1823         filesystem::path pkfile = GetArg("-rpcsslprivatekeyfile", "server.pem");
1824         if (!pkfile.is_complete()) pkfile = filesystem::path(GetDataDir()) / pkfile;
1825         if (filesystem::exists(pkfile)) context.use_private_key_file(pkfile.string().c_str(), ssl::context::pem);
1826         else printf("ThreadRPCServer ERROR: missing server private key file %s\n", pkfile.string().c_str());
1827
1828         string ciphers = GetArg("-rpcsslciphers",
1829                                          "TLSv1+HIGH:!SSLv2:!aNULL:!eNULL:!AH:!3DES:@STRENGTH");
1830         SSL_CTX_set_cipher_list(context.impl(), ciphers.c_str());
1831     }
1832 #else
1833     if (fUseSSL)
1834         throw runtime_error("-rpcssl=1, but bitcoin compiled without full openssl libraries.");
1835 #endif
1836
1837     loop
1838     {
1839         // Accept connection
1840 #ifdef USE_SSL
1841         SSLStream sslStream(io_service, context);
1842         SSLIOStreamDevice d(sslStream, fUseSSL);
1843         iostreams::stream<SSLIOStreamDevice> stream(d);
1844 #else
1845         ip::tcp::iostream stream;
1846 #endif
1847
1848         ip::tcp::endpoint peer;
1849         vnThreadsRunning[4]--;
1850 #ifdef USE_SSL
1851         acceptor.accept(sslStream.lowest_layer(), peer);
1852 #else
1853         acceptor.accept(*stream.rdbuf(), peer);
1854 #endif
1855         vnThreadsRunning[4]++;
1856         if (fShutdown)
1857             return;
1858
1859         // Restrict callers by IP
1860         if (!ClientAllowed(peer.address().to_string()))
1861             continue;
1862
1863         map<string, string> mapHeaders;
1864         string strRequest;
1865
1866         boost::thread api_caller(ReadHTTP, boost::ref(stream), boost::ref(mapHeaders), boost::ref(strRequest));
1867         if (!api_caller.timed_join(boost::posix_time::seconds(GetArg("-rpctimeout", 30))))
1868         {   // Timed out:
1869             acceptor.cancel();
1870             printf("ThreadRPCServer ReadHTTP timeout\n");
1871             continue;
1872         }
1873
1874         // Check authorization
1875         if (mapHeaders.count("Authorization") == 0)
1876         {
1877             stream << HTTPReply(401, "") << std::flush;
1878             continue;
1879         }
1880         if (!HTTPAuthorized(mapHeaders))
1881         {
1882             // Deter brute-forcing short passwords
1883             if (mapArgs["-rpcpassword"].size() < 15)
1884                 Sleep(50);
1885
1886             stream << HTTPReply(401, "") << std::flush;
1887             printf("ThreadRPCServer incorrect password attempt\n");
1888             continue;
1889         }
1890
1891         Value id = Value::null;
1892         try
1893         {
1894             // Parse request
1895             Value valRequest;
1896             if (!read_string(strRequest, valRequest) || valRequest.type() != obj_type)
1897                 throw JSONRPCError(-32700, "Parse error");
1898             const Object& request = valRequest.get_obj();
1899
1900             // Parse id now so errors from here on will have the id
1901             id = find_value(request, "id");
1902
1903             // Parse method
1904             Value valMethod = find_value(request, "method");
1905             if (valMethod.type() == null_type)
1906                 throw JSONRPCError(-32600, "Missing method");
1907             if (valMethod.type() != str_type)
1908                 throw JSONRPCError(-32600, "Method must be a string");
1909             string strMethod = valMethod.get_str();
1910             if (strMethod != "getwork")
1911                 printf("ThreadRPCServer method=%s\n", strMethod.c_str());
1912
1913             // Parse params
1914             Value valParams = find_value(request, "params");
1915             Array params;
1916             if (valParams.type() == array_type)
1917                 params = valParams.get_array();
1918             else if (valParams.type() == null_type)
1919                 params = Array();
1920             else
1921                 throw JSONRPCError(-32600, "Params must be an array");
1922
1923             // Find method
1924             map<string, rpcfn_type>::iterator mi = mapCallTable.find(strMethod);
1925             if (mi == mapCallTable.end())
1926                 throw JSONRPCError(-32601, "Method not found");
1927
1928             // Observe safe mode
1929             string strWarning = GetWarnings("rpc");
1930             if (strWarning != "" && !GetBoolArg("-disablesafemode") && !setAllowInSafeMode.count(strMethod))
1931                 throw JSONRPCError(-2, string("Safe mode: ") + strWarning);
1932
1933             try
1934             {
1935                 // Execute
1936                 Value result = (*(*mi).second)(params, false);
1937
1938                 // Send reply
1939                 string strReply = JSONRPCReply(result, Value::null, id);
1940                 stream << HTTPReply(200, strReply) << std::flush;
1941             }
1942             catch (std::exception& e)
1943             {
1944                 ErrorReply(stream, JSONRPCError(-1, e.what()), id);
1945             }
1946         }
1947         catch (Object& objError)
1948         {
1949             ErrorReply(stream, objError, id);
1950         }
1951         catch (std::exception& e)
1952         {
1953             ErrorReply(stream, JSONRPCError(-32700, e.what()), id);
1954         }
1955     }
1956 }
1957
1958
1959
1960
1961 Object CallRPC(const string& strMethod, const Array& params)
1962 {
1963     if (mapArgs["-rpcuser"] == "" && mapArgs["-rpcpassword"] == "")
1964         throw runtime_error(strprintf(
1965             _("You must set rpcpassword=<password> in the configuration file:\n%s\n"
1966               "If the file does not exist, create it with owner-readable-only file permissions."),
1967                 GetConfigFile().c_str()));
1968
1969     // Connect to localhost
1970     bool fUseSSL = GetBoolArg("-rpcssl");
1971 #ifdef USE_SSL
1972     asio::io_service io_service;
1973     ssl::context context(io_service, ssl::context::sslv23);
1974     context.set_options(ssl::context::no_sslv2);
1975     SSLStream sslStream(io_service, context);
1976     SSLIOStreamDevice d(sslStream, fUseSSL);
1977     iostreams::stream<SSLIOStreamDevice> stream(d);
1978     if (!d.connect(GetArg("-rpcconnect", "127.0.0.1"), GetArg("-rpcport", "8332")))
1979         throw runtime_error("couldn't connect to server");
1980 #else
1981     if (fUseSSL)
1982         throw runtime_error("-rpcssl=1, but bitcoin compiled without full openssl libraries.");
1983
1984     ip::tcp::iostream stream(GetArg("-rpcconnect", "127.0.0.1"), GetArg("-rpcport", "8332"));
1985     if (stream.fail())
1986         throw runtime_error("couldn't connect to server");
1987 #endif
1988
1989
1990     // HTTP basic authentication
1991     string strUserPass64 = EncodeBase64(mapArgs["-rpcuser"] + ":" + mapArgs["-rpcpassword"]);
1992     map<string, string> mapRequestHeaders;
1993     mapRequestHeaders["Authorization"] = string("Basic ") + strUserPass64;
1994
1995     // Send request
1996     string strRequest = JSONRPCRequest(strMethod, params, 1);
1997     string strPost = HTTPPost(strRequest, mapRequestHeaders);
1998     stream << strPost << std::flush;
1999
2000     // Receive reply
2001     map<string, string> mapHeaders;
2002     string strReply;
2003     int nStatus = ReadHTTP(stream, mapHeaders, strReply);
2004     if (nStatus == 401)
2005         throw runtime_error("incorrect rpcuser or rpcpassword (authorization failed)");
2006     else if (nStatus >= 400 && nStatus != 400 && nStatus != 404 && nStatus != 500)
2007         throw runtime_error(strprintf("server returned HTTP error %d", nStatus));
2008     else if (strReply.empty())
2009         throw runtime_error("no response from server");
2010
2011     // Parse reply
2012     Value valReply;
2013     if (!read_string(strReply, valReply))
2014         throw runtime_error("couldn't parse reply from server");
2015     const Object& reply = valReply.get_obj();
2016     if (reply.empty())
2017         throw runtime_error("expected reply to have result, error and id properties");
2018
2019     return reply;
2020 }
2021
2022
2023
2024
2025 template<typename T>
2026 void ConvertTo(Value& value)
2027 {
2028     if (value.type() == str_type)
2029     {
2030         // reinterpret string as unquoted json value
2031         Value value2;
2032         if (!read_string(value.get_str(), value2))
2033             throw runtime_error("type mismatch");
2034         value = value2.get_value<T>();
2035     }
2036     else
2037     {
2038         value = value.get_value<T>();
2039     }
2040 }
2041
2042 int CommandLineRPC(int argc, char *argv[])
2043 {
2044     string strPrint;
2045     int nRet = 0;
2046     try
2047     {
2048         // Skip switches
2049         while (argc > 1 && IsSwitchChar(argv[1][0]))
2050         {
2051             argc--;
2052             argv++;
2053         }
2054
2055         // Method
2056         if (argc < 2)
2057             throw runtime_error("too few parameters");
2058         string strMethod = argv[1];
2059
2060         // Parameters default to strings
2061         Array params;
2062         for (int i = 2; i < argc; i++)
2063             params.push_back(argv[i]);
2064         int n = params.size();
2065
2066         //
2067         // Special case non-string parameter types
2068         //
2069         if (strMethod == "setgenerate"            && n > 0) ConvertTo<bool>(params[0]);
2070         if (strMethod == "setgenerate"            && n > 1) ConvertTo<boost::int64_t>(params[1]);
2071         if (strMethod == "sendtoaddress"          && n > 1) ConvertTo<double>(params[1]);
2072         if (strMethod == "getamountreceived"      && n > 1) ConvertTo<boost::int64_t>(params[1]); // deprecated
2073         if (strMethod == "getreceivedbyaddress"   && n > 1) ConvertTo<boost::int64_t>(params[1]);
2074         if (strMethod == "getreceivedbyaccount"   && n > 1) ConvertTo<boost::int64_t>(params[1]);
2075         if (strMethod == "getreceivedbylabel"     && n > 1) ConvertTo<boost::int64_t>(params[1]); // deprecated
2076         if (strMethod == "getallreceived"         && n > 0) ConvertTo<boost::int64_t>(params[0]); // deprecated
2077         if (strMethod == "getallreceived"         && n > 1) ConvertTo<bool>(params[1]);
2078         if (strMethod == "listreceivedbyaddress"  && n > 0) ConvertTo<boost::int64_t>(params[0]);
2079         if (strMethod == "listreceivedbyaddress"  && n > 1) ConvertTo<bool>(params[1]);
2080         if (strMethod == "listreceivedbyaccount"  && n > 0) ConvertTo<boost::int64_t>(params[0]);
2081         if (strMethod == "listreceivedbyaccount"  && n > 1) ConvertTo<bool>(params[1]);
2082         if (strMethod == "listreceivedbylabel"    && n > 0) ConvertTo<boost::int64_t>(params[0]); // deprecated
2083         if (strMethod == "listreceivedbylabel"    && n > 1) ConvertTo<bool>(params[1]); // deprecated
2084         if (strMethod == "getbalance"             && n > 1) ConvertTo<boost::int64_t>(params[1]);
2085         if (strMethod == "move"                   && n > 2) ConvertTo<double>(params[2]);
2086         if (strMethod == "move"                   && n > 3) ConvertTo<boost::int64_t>(params[3]);
2087         if (strMethod == "sendfrom"               && n > 2) ConvertTo<double>(params[2]);
2088         if (strMethod == "sendfrom"               && n > 3) ConvertTo<boost::int64_t>(params[3]);
2089         if (strMethod == "listtransactions"       && n > 1) ConvertTo<boost::int64_t>(params[1]);
2090         if (strMethod == "listaccounts"           && n > 0) ConvertTo<boost::int64_t>(params[0]);
2091         if (strMethod == "sendmany"               && n > 1)
2092         {
2093             string s = params[1].get_str();
2094             Value v;
2095             if (!read_string(s, v) || v.type() != obj_type)
2096                 throw runtime_error("type mismatch");
2097             params[1] = v.get_obj();
2098         }
2099         if (strMethod == "sendmany"                && n > 2) ConvertTo<boost::int64_t>(params[2]);
2100
2101         // Execute
2102         Object reply = CallRPC(strMethod, params);
2103
2104         // Parse reply
2105         const Value& result = find_value(reply, "result");
2106         const Value& error  = find_value(reply, "error");
2107         const Value& id     = find_value(reply, "id");
2108
2109         if (error.type() != null_type)
2110         {
2111             // Error
2112             strPrint = "error: " + write_string(error, false);
2113             int code = find_value(error.get_obj(), "code").get_int();
2114             nRet = abs(code);
2115         }
2116         else
2117         {
2118             // Result
2119             if (result.type() == null_type)
2120                 strPrint = "";
2121             else if (result.type() == str_type)
2122                 strPrint = result.get_str();
2123             else
2124                 strPrint = write_string(result, true);
2125         }
2126     }
2127     catch (std::exception& e)
2128     {
2129         strPrint = string("error: ") + e.what();
2130         nRet = 87;
2131     }
2132     catch (...)
2133     {
2134         PrintException(NULL, "CommandLineRPC()");
2135     }
2136
2137     if (strPrint != "")
2138     {
2139 #if defined(__WXMSW__) && defined(GUI)
2140         // Windows GUI apps can't print to command line,
2141         // so settle for a message box yuck
2142         MyMessageBox(strPrint, "Bitcoin", wxOK);
2143 #else
2144         fprintf((nRet == 0 ? stdout : stderr), "%s\n", strPrint.c_str());
2145 #endif
2146     }
2147     return nRet;
2148 }
2149
2150
2151
2152
2153 #ifdef TEST
2154 int main(int argc, char *argv[])
2155 {
2156 #ifdef _MSC_VER
2157     // Turn off microsoft heap dump noise
2158     _CrtSetReportMode(_CRT_WARN, _CRTDBG_MODE_FILE);
2159     _CrtSetReportFile(_CRT_WARN, CreateFile("NUL", GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, 0));
2160 #endif
2161     setbuf(stdin, NULL);
2162     setbuf(stdout, NULL);
2163     setbuf(stderr, NULL);
2164
2165     try
2166     {
2167         if (argc >= 2 && string(argv[1]) == "-server")
2168         {
2169             printf("server ready\n");
2170             ThreadRPCServer(NULL);
2171         }
2172         else
2173         {
2174             return CommandLineRPC(argc, argv);
2175         }
2176     }
2177     catch (std::exception& e) {
2178         PrintException(&e, "main()");
2179     } catch (...) {
2180         PrintException(NULL, "main()");
2181     }
2182     return 0;
2183 }
2184 #endif