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] [from=0]\n"
1087             "Returns up to [count] most recent transactions skipping the first [from] 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     int nFrom = 0;
1096     if (params.size() > 2)
1097         nFrom = params[2].get_int();
1098
1099     Array ret;
1100     CWalletDB walletdb;
1101
1102     CRITICAL_BLOCK(cs_mapWallet)
1103     {
1104         // Firs: get all CWalletTx and CAccountingEntry into a sorted-by-time multimap:
1105         typedef pair<CWalletTx*, CAccountingEntry*> TxPair;
1106         typedef multimap<int64, TxPair > TxItems;
1107         TxItems txByTime;
1108
1109         for (map<uint256, CWalletTx>::iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
1110         {
1111             CWalletTx* wtx = &((*it).second);
1112             txByTime.insert(make_pair(wtx->GetTxTime(), TxPair(wtx, (CAccountingEntry*)0)));
1113         }
1114         list<CAccountingEntry> acentries;
1115         walletdb.ListAccountCreditDebit(strAccount, acentries);
1116         foreach(CAccountingEntry& entry, acentries)
1117         {
1118             txByTime.insert(make_pair(entry.nTime, TxPair((CWalletTx*)0, &entry)));
1119         }
1120
1121         // Now: iterate backwards until we have nCount items to return:
1122         TxItems::reverse_iterator it = txByTime.rbegin();
1123         for (std::advance(it, nFrom); it != txByTime.rend(); ++it)
1124         {
1125             CWalletTx *const pwtx = (*it).second.first;
1126             if (pwtx != 0)
1127                 ListTransactions(*pwtx, strAccount, 0, true, ret);
1128             CAccountingEntry *const pacentry = (*it).second.second;
1129             if (pacentry != 0)
1130                 AcentryToJSON(*pacentry, strAccount, ret);
1131
1132             if (ret.size() >= nCount) break;
1133         }
1134         // ret is now newest to oldest
1135     }
1136
1137     // Make sure we return only last nCount items (sends-to-self might give us an extra):
1138     if (ret.size() > nCount)
1139     {
1140         Array::iterator last = ret.begin();
1141         std::advance(last, nCount);
1142         ret.erase(last, ret.end());
1143     }
1144     std::reverse(ret.begin(), ret.end()); // oldest to newest
1145
1146     return ret;
1147 }
1148
1149 Value listaccounts(const Array& params, bool fHelp)
1150 {
1151     if (fHelp || params.size() > 1)
1152         throw runtime_error(
1153             "listaccounts [minconf=1]\n"
1154             "Returns Object that has account names as keys, account balances as values.");
1155
1156     int nMinDepth = 1;
1157     if (params.size() > 0)
1158         nMinDepth = params[0].get_int();
1159
1160     map<string, int64> mapAccountBalances;
1161     CRITICAL_BLOCK(cs_mapWallet)
1162     CRITICAL_BLOCK(cs_mapAddressBook)
1163     {
1164         foreach(const PAIRTYPE(string, string)& entry, mapAddressBook) {
1165             uint160 hash160;
1166             if(AddressToHash160(entry.first, hash160) && mapPubKeys.count(hash160)) // This address belongs to me
1167                 mapAccountBalances[entry.second] = 0;
1168         }
1169
1170         for (map<uint256, CWalletTx>::iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
1171         {
1172             const CWalletTx& wtx = (*it).second;
1173             int64 nGeneratedImmature, nGeneratedMature, nFee;
1174             string strSentAccount;
1175             list<pair<string, int64> > listReceived;
1176             list<pair<string, int64> > listSent;
1177             wtx.GetAmounts(nGeneratedImmature, nGeneratedMature, listReceived, listSent, nFee, strSentAccount);
1178             mapAccountBalances[strSentAccount] -= nFee;
1179             foreach(const PAIRTYPE(string, int64)& s, listSent)
1180                 mapAccountBalances[strSentAccount] -= s.second;
1181             if (wtx.GetDepthInMainChain() >= nMinDepth)
1182             {
1183                 mapAccountBalances[""] += nGeneratedMature;
1184                 foreach(const PAIRTYPE(string, int64)& r, listReceived)
1185                     if (mapAddressBook.count(r.first))
1186                         mapAccountBalances[mapAddressBook[r.first]] += r.second;
1187                     else
1188                         mapAccountBalances[""] += r.second;
1189             }
1190         }
1191     }
1192
1193     list<CAccountingEntry> acentries;
1194     CWalletDB().ListAccountCreditDebit("*", acentries);
1195     foreach(const CAccountingEntry& entry, acentries)
1196         mapAccountBalances[entry.strAccount] += entry.nCreditDebit;
1197
1198     Object ret;
1199     foreach(const PAIRTYPE(string, int64)& accountBalance, mapAccountBalances) {
1200         ret.push_back(Pair(accountBalance.first, ValueFromAmount(accountBalance.second)));
1201     }
1202     return ret;
1203 }
1204
1205 Value gettransaction(const Array& params, bool fHelp)
1206 {
1207     if (fHelp || params.size() != 1)
1208         throw runtime_error(
1209             "gettransaction <txid>\n"
1210             "Get detailed information about <txid>");
1211
1212     uint256 hash;
1213     hash.SetHex(params[0].get_str());
1214
1215     Object entry;
1216     CRITICAL_BLOCK(cs_mapWallet)
1217     {
1218         if (!mapWallet.count(hash))
1219             throw JSONRPCError(-5, "Invalid or non-wallet transaction id");
1220         const CWalletTx& wtx = mapWallet[hash];
1221
1222         int64 nCredit = wtx.GetCredit();
1223         int64 nDebit = wtx.GetDebit();
1224         int64 nNet = nCredit - nDebit;
1225         int64 nFee = (wtx.IsFromMe() ? wtx.GetValueOut() - nDebit : 0);
1226
1227         entry.push_back(Pair("amount", ValueFromAmount(nNet - nFee)));
1228         if (wtx.IsFromMe())
1229             entry.push_back(Pair("fee", ValueFromAmount(nFee)));
1230
1231         WalletTxToJSON(mapWallet[hash], entry);
1232
1233         Array details;
1234         ListTransactions(mapWallet[hash], "*", 0, false, details);
1235         entry.push_back(Pair("details", details));
1236     }
1237
1238     return entry;
1239 }
1240
1241
1242 Value backupwallet(const Array& params, bool fHelp)
1243 {
1244     if (fHelp || params.size() != 1)
1245         throw runtime_error(
1246             "backupwallet <destination>\n"
1247             "Safely copies wallet.dat to destination, which can be a directory or a path with filename.");
1248
1249     string strDest = params[0].get_str();
1250     BackupWallet(strDest);
1251
1252     return Value::null;
1253 }
1254
1255
1256 Value validateaddress(const Array& params, bool fHelp)
1257 {
1258     if (fHelp || params.size() != 1)
1259         throw runtime_error(
1260             "validateaddress <bitcoinaddress>\n"
1261             "Return information about <bitcoinaddress>.");
1262
1263     string strAddress = params[0].get_str();
1264     uint160 hash160;
1265     bool isValid = AddressToHash160(strAddress, hash160);
1266
1267     Object ret;
1268     ret.push_back(Pair("isvalid", isValid));
1269     if (isValid)
1270     {
1271         // Call Hash160ToAddress() so we always return current ADDRESSVERSION
1272         // version of the address:
1273         string currentAddress = Hash160ToAddress(hash160);
1274         ret.push_back(Pair("address", currentAddress));
1275         ret.push_back(Pair("ismine", (mapPubKeys.count(hash160) > 0)));
1276         CRITICAL_BLOCK(cs_mapAddressBook)
1277         {
1278             if (mapAddressBook.count(currentAddress))
1279                 ret.push_back(Pair("account", mapAddressBook[currentAddress]));
1280         }
1281     }
1282     return ret;
1283 }
1284
1285
1286 Value getwork(const Array& params, bool fHelp)
1287 {
1288     if (fHelp || params.size() > 1)
1289         throw runtime_error(
1290             "getwork [data]\n"
1291             "If [data] is not specified, returns formatted hash data to work on:\n"
1292             "  \"midstate\" : precomputed hash state after hashing the first half of the data\n"
1293             "  \"data\" : block data\n"
1294             "  \"hash1\" : formatted hash buffer for second hash\n"
1295             "  \"target\" : little endian hash target\n"
1296             "If [data] is specified, tries to solve the block and returns true if it was successful.");
1297
1298     if (vNodes.empty())
1299         throw JSONRPCError(-9, "Bitcoin is not connected!");
1300
1301     if (IsInitialBlockDownload())
1302         throw JSONRPCError(-10, "Bitcoin is downloading blocks...");
1303
1304     static map<uint256, pair<CBlock*, unsigned int> > mapNewBlock;
1305     static vector<CBlock*> vNewBlock;
1306     static CReserveKey reservekey;
1307
1308     if (params.size() == 0)
1309     {
1310         // Update block
1311         static unsigned int nTransactionsUpdatedLast;
1312         static CBlockIndex* pindexPrev;
1313         static int64 nStart;
1314         static CBlock* pblock;
1315         if (pindexPrev != pindexBest ||
1316             (nTransactionsUpdated != nTransactionsUpdatedLast && GetTime() - nStart > 60))
1317         {
1318             if (pindexPrev != pindexBest)
1319             {
1320                 // Deallocate old blocks since they're obsolete now
1321                 mapNewBlock.clear();
1322                 foreach(CBlock* pblock, vNewBlock)
1323                     delete pblock;
1324                 vNewBlock.clear();
1325             }
1326             nTransactionsUpdatedLast = nTransactionsUpdated;
1327             pindexPrev = pindexBest;
1328             nStart = GetTime();
1329
1330             // Create new block
1331             pblock = CreateNewBlock(reservekey);
1332             if (!pblock)
1333                 throw JSONRPCError(-7, "Out of memory");
1334             vNewBlock.push_back(pblock);
1335         }
1336
1337         // Update nTime
1338         pblock->nTime = max(pindexPrev->GetMedianTimePast()+1, GetAdjustedTime());
1339         pblock->nNonce = 0;
1340
1341         // Update nExtraNonce
1342         static unsigned int nExtraNonce = 0;
1343         static int64 nPrevTime = 0;
1344         IncrementExtraNonce(pblock, pindexPrev, nExtraNonce, nPrevTime);
1345
1346         // Save
1347         mapNewBlock[pblock->hashMerkleRoot] = make_pair(pblock, nExtraNonce);
1348
1349         // Prebuild hash buffers
1350         char pmidstate[32];
1351         char pdata[128];
1352         char phash1[64];
1353         FormatHashBuffers(pblock, pmidstate, pdata, phash1);
1354
1355         uint256 hashTarget = CBigNum().SetCompact(pblock->nBits).getuint256();
1356
1357         Object result;
1358         result.push_back(Pair("midstate", HexStr(BEGIN(pmidstate), END(pmidstate))));
1359         result.push_back(Pair("data",     HexStr(BEGIN(pdata), END(pdata))));
1360         result.push_back(Pair("hash1",    HexStr(BEGIN(phash1), END(phash1))));
1361         result.push_back(Pair("target",   HexStr(BEGIN(hashTarget), END(hashTarget))));
1362         return result;
1363     }
1364     else
1365     {
1366         // Parse parameters
1367         vector<unsigned char> vchData = ParseHex(params[0].get_str());
1368         if (vchData.size() != 128)
1369             throw JSONRPCError(-8, "Invalid parameter");
1370         CBlock* pdata = (CBlock*)&vchData[0];
1371
1372         // Byte reverse
1373         for (int i = 0; i < 128/4; i++)
1374             ((unsigned int*)pdata)[i] = CryptoPP::ByteReverse(((unsigned int*)pdata)[i]);
1375
1376         // Get saved block
1377         if (!mapNewBlock.count(pdata->hashMerkleRoot))
1378             return false;
1379         CBlock* pblock = mapNewBlock[pdata->hashMerkleRoot].first;
1380         unsigned int nExtraNonce = mapNewBlock[pdata->hashMerkleRoot].second;
1381
1382         pblock->nTime = pdata->nTime;
1383         pblock->nNonce = pdata->nNonce;
1384         pblock->vtx[0].vin[0].scriptSig = CScript() << pblock->nBits << CBigNum(nExtraNonce);
1385         pblock->hashMerkleRoot = pblock->BuildMerkleTree();
1386
1387         return CheckWork(pblock, reservekey);
1388     }
1389 }
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401 //
1402 // Call Table
1403 //
1404
1405 pair<string, rpcfn_type> pCallTable[] =
1406 {
1407     make_pair("help",                  &help),
1408     make_pair("stop",                  &stop),
1409     make_pair("getblockcount",         &getblockcount),
1410     make_pair("getblocknumber",        &getblocknumber),
1411     make_pair("getconnectioncount",    &getconnectioncount),
1412     make_pair("getdifficulty",         &getdifficulty),
1413     make_pair("getgenerate",           &getgenerate),
1414     make_pair("setgenerate",           &setgenerate),
1415     make_pair("gethashespersec",       &gethashespersec),
1416     make_pair("getinfo",               &getinfo),
1417     make_pair("getnewaddress",         &getnewaddress),
1418     make_pair("getaccountaddress",     &getaccountaddress),
1419     make_pair("setaccount",            &setaccount),
1420     make_pair("setlabel",              &setaccount), // deprecated
1421     make_pair("getaccount",            &getaccount),
1422     make_pair("getlabel",              &getaccount), // deprecated
1423     make_pair("getaddressesbyaccount", &getaddressesbyaccount),
1424     make_pair("getaddressesbylabel",   &getaddressesbyaccount), // deprecated
1425     make_pair("sendtoaddress",         &sendtoaddress),
1426     make_pair("getamountreceived",     &getreceivedbyaddress), // deprecated, renamed to getreceivedbyaddress
1427     make_pair("getallreceived",        &listreceivedbyaddress), // deprecated, renamed to listreceivedbyaddress
1428     make_pair("getreceivedbyaddress",  &getreceivedbyaddress),
1429     make_pair("getreceivedbyaccount",  &getreceivedbyaccount),
1430     make_pair("getreceivedbylabel",    &getreceivedbyaccount), // deprecated
1431     make_pair("listreceivedbyaddress", &listreceivedbyaddress),
1432     make_pair("listreceivedbyaccount", &listreceivedbyaccount),
1433     make_pair("listreceivedbylabel",   &listreceivedbyaccount), // deprecated
1434     make_pair("backupwallet",          &backupwallet),
1435     make_pair("validateaddress",       &validateaddress),
1436     make_pair("getbalance",            &getbalance),
1437     make_pair("move",                  &movecmd),
1438     make_pair("sendfrom",              &sendfrom),
1439     make_pair("sendmany",              &sendmany),
1440     make_pair("gettransaction",        &gettransaction),
1441     make_pair("listtransactions",      &listtransactions),
1442     make_pair("getwork",               &getwork),
1443     make_pair("listaccounts",          &listaccounts),
1444 };
1445 map<string, rpcfn_type> mapCallTable(pCallTable, pCallTable + sizeof(pCallTable)/sizeof(pCallTable[0]));
1446
1447 string pAllowInSafeMode[] =
1448 {
1449     "help",
1450     "stop",
1451     "getblockcount",
1452     "getblocknumber",
1453     "getconnectioncount",
1454     "getdifficulty",
1455     "getgenerate",
1456     "setgenerate",
1457     "gethashespersec",
1458     "getinfo",
1459     "getnewaddress",
1460     "getaccountaddress",
1461     "setlabel",
1462     "getaccount",
1463     "getlabel", // deprecated
1464     "getaddressesbyaccount",
1465     "getaddressesbylabel", // deprecated
1466     "backupwallet",
1467     "validateaddress",
1468     "getwork",
1469 };
1470 set<string> setAllowInSafeMode(pAllowInSafeMode, pAllowInSafeMode + sizeof(pAllowInSafeMode)/sizeof(pAllowInSafeMode[0]));
1471
1472
1473
1474
1475 //
1476 // HTTP protocol
1477 //
1478 // This ain't Apache.  We're just using HTTP header for the length field
1479 // and to be compatible with other JSON-RPC implementations.
1480 //
1481
1482 string HTTPPost(const string& strMsg, const map<string,string>& mapRequestHeaders)
1483 {
1484     ostringstream s;
1485     s << "POST / HTTP/1.1\r\n"
1486       << "User-Agent: bitcoin-json-rpc/" << FormatFullVersion() << "\r\n"
1487       << "Host: 127.0.0.1\r\n"
1488       << "Content-Type: application/json\r\n"
1489       << "Content-Length: " << strMsg.size() << "\r\n"
1490       << "Accept: application/json\r\n";
1491     foreach(const PAIRTYPE(string, string)& item, mapRequestHeaders)
1492         s << item.first << ": " << item.second << "\r\n";
1493     s << "\r\n" << strMsg;
1494
1495     return s.str();
1496 }
1497
1498 string rfc1123Time()
1499 {
1500     char buffer[64];
1501     time_t now;
1502     time(&now);
1503     struct tm* now_gmt = gmtime(&now);
1504     string locale(setlocale(LC_TIME, NULL));
1505     setlocale(LC_TIME, "C"); // we want posix (aka "C") weekday/month strings
1506     strftime(buffer, sizeof(buffer), "%a, %d %b %Y %H:%M:%S +0000", now_gmt);
1507     setlocale(LC_TIME, locale.c_str());
1508     return string(buffer);
1509 }
1510
1511 string HTTPReply(int nStatus, const string& strMsg)
1512 {
1513     if (nStatus == 401)
1514         return strprintf("HTTP/1.0 401 Authorization Required\r\n"
1515             "Date: %s\r\n"
1516             "Server: bitcoin-json-rpc/%s\r\n"
1517             "WWW-Authenticate: Basic realm=\"jsonrpc\"\r\n"
1518             "Content-Type: text/html\r\n"
1519             "Content-Length: 296\r\n"
1520             "\r\n"
1521             "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\"\r\n"
1522             "\"http://www.w3.org/TR/1999/REC-html401-19991224/loose.dtd\">\r\n"
1523             "<HTML>\r\n"
1524             "<HEAD>\r\n"
1525             "<TITLE>Error</TITLE>\r\n"
1526             "<META HTTP-EQUIV='Content-Type' CONTENT='text/html; charset=ISO-8859-1'>\r\n"
1527             "</HEAD>\r\n"
1528             "<BODY><H1>401 Unauthorized.</H1></BODY>\r\n"
1529             "</HTML>\r\n", rfc1123Time().c_str(), FormatFullVersion().c_str());
1530     string strStatus;
1531          if (nStatus == 200) strStatus = "OK";
1532     else if (nStatus == 400) strStatus = "Bad Request";
1533     else if (nStatus == 404) strStatus = "Not Found";
1534     else if (nStatus == 500) strStatus = "Internal Server Error";
1535     return strprintf(
1536             "HTTP/1.1 %d %s\r\n"
1537             "Date: %s\r\n"
1538             "Connection: close\r\n"
1539             "Content-Length: %d\r\n"
1540             "Content-Type: application/json\r\n"
1541             "Server: bitcoin-json-rpc/%s\r\n"
1542             "\r\n"
1543             "%s",
1544         nStatus,
1545         strStatus.c_str(),
1546         rfc1123Time().c_str(),
1547         strMsg.size(),
1548         FormatFullVersion().c_str(),
1549         strMsg.c_str());
1550 }
1551
1552 int ReadHTTPStatus(std::basic_istream<char>& stream)
1553 {
1554     string str;
1555     getline(stream, str);
1556     vector<string> vWords;
1557     boost::split(vWords, str, boost::is_any_of(" "));
1558     if (vWords.size() < 2)
1559         return 500;
1560     return atoi(vWords[1].c_str());
1561 }
1562
1563 int ReadHTTPHeader(std::basic_istream<char>& stream, map<string, string>& mapHeadersRet)
1564 {
1565     int nLen = 0;
1566     loop
1567     {
1568         string str;
1569         std::getline(stream, str);
1570         if (str.empty() || str == "\r")
1571             break;
1572         string::size_type nColon = str.find(":");
1573         if (nColon != string::npos)
1574         {
1575             string strHeader = str.substr(0, nColon);
1576             boost::trim(strHeader);
1577             boost::to_lower(strHeader);
1578             string strValue = str.substr(nColon+1);
1579             boost::trim(strValue);
1580             mapHeadersRet[strHeader] = strValue;
1581             if (strHeader == "content-length")
1582                 nLen = atoi(strValue.c_str());
1583         }
1584     }
1585     return nLen;
1586 }
1587
1588 int ReadHTTP(std::basic_istream<char>& stream, map<string, string>& mapHeadersRet, string& strMessageRet)
1589 {
1590     mapHeadersRet.clear();
1591     strMessageRet = "";
1592
1593     // Read status
1594     int nStatus = ReadHTTPStatus(stream);
1595
1596     // Read header
1597     int nLen = ReadHTTPHeader(stream, mapHeadersRet);
1598     if (nLen < 0 || nLen > MAX_SIZE)
1599         return 500;
1600
1601     // Read message
1602     if (nLen > 0)
1603     {
1604         vector<char> vch(nLen);
1605         stream.read(&vch[0], nLen);
1606         strMessageRet = string(vch.begin(), vch.end());
1607     }
1608
1609     return nStatus;
1610 }
1611
1612 string EncodeBase64(string s)
1613 {
1614     BIO *b64, *bmem;
1615     BUF_MEM *bptr;
1616
1617     b64 = BIO_new(BIO_f_base64());
1618     BIO_set_flags(b64, BIO_FLAGS_BASE64_NO_NL);
1619     bmem = BIO_new(BIO_s_mem());
1620     b64 = BIO_push(b64, bmem);
1621     BIO_write(b64, s.c_str(), s.size());
1622     BIO_flush(b64);
1623     BIO_get_mem_ptr(b64, &bptr);
1624
1625     string result(bptr->data, bptr->length);
1626     BIO_free_all(b64);
1627
1628     return result;
1629 }
1630
1631 string DecodeBase64(string s)
1632 {
1633     BIO *b64, *bmem;
1634
1635     char* buffer = static_cast<char*>(calloc(s.size(), sizeof(char)));
1636
1637     b64 = BIO_new(BIO_f_base64());
1638     BIO_set_flags(b64, BIO_FLAGS_BASE64_NO_NL);
1639     bmem = BIO_new_mem_buf(const_cast<char*>(s.c_str()), s.size());
1640     bmem = BIO_push(b64, bmem);
1641     BIO_read(bmem, buffer, s.size());
1642     BIO_free_all(bmem);
1643
1644     string result(buffer);
1645     free(buffer);
1646     return result;
1647 }
1648
1649 bool HTTPAuthorized(map<string, string>& mapHeaders)
1650 {
1651     string strAuth = mapHeaders["authorization"];
1652     if (strAuth.substr(0,6) != "Basic ")
1653         return false;
1654     string strUserPass64 = strAuth.substr(6); boost::trim(strUserPass64);
1655     string strUserPass = DecodeBase64(strUserPass64);
1656     string::size_type nColon = strUserPass.find(":");
1657     if (nColon == string::npos)
1658         return false;
1659     string strUser = strUserPass.substr(0, nColon);
1660     string strPassword = strUserPass.substr(nColon+1);
1661     return (strUser == mapArgs["-rpcuser"] && strPassword == mapArgs["-rpcpassword"]);
1662 }
1663
1664 //
1665 // JSON-RPC protocol.  Bitcoin speaks version 1.0 for maximum compatibility,
1666 // but uses JSON-RPC 1.1/2.0 standards for parts of the 1.0 standard that were
1667 // unspecified (HTTP errors and contents of 'error').
1668 //
1669 // 1.0 spec: http://json-rpc.org/wiki/specification
1670 // 1.2 spec: http://groups.google.com/group/json-rpc/web/json-rpc-over-http
1671 // http://www.codeproject.com/KB/recipes/JSON_Spirit.aspx
1672 //
1673
1674 string JSONRPCRequest(const string& strMethod, const Array& params, const Value& id)
1675 {
1676     Object request;
1677     request.push_back(Pair("method", strMethod));
1678     request.push_back(Pair("params", params));
1679     request.push_back(Pair("id", id));
1680     return write_string(Value(request), false) + "\n";
1681 }
1682
1683 string JSONRPCReply(const Value& result, const Value& error, const Value& id)
1684 {
1685     Object reply;
1686     if (error.type() != null_type)
1687         reply.push_back(Pair("result", Value::null));
1688     else
1689         reply.push_back(Pair("result", result));
1690     reply.push_back(Pair("error", error));
1691     reply.push_back(Pair("id", id));
1692     return write_string(Value(reply), false) + "\n";
1693 }
1694
1695 void ErrorReply(std::ostream& stream, const Object& objError, const Value& id)
1696 {
1697     // Send error reply from json-rpc error object
1698     int nStatus = 500;
1699     int code = find_value(objError, "code").get_int();
1700     if (code == -32600) nStatus = 400;
1701     else if (code == -32601) nStatus = 404;
1702     string strReply = JSONRPCReply(Value::null, objError, id);
1703     stream << HTTPReply(nStatus, strReply) << std::flush;
1704 }
1705
1706 bool ClientAllowed(const string& strAddress)
1707 {
1708     if (strAddress == asio::ip::address_v4::loopback().to_string())
1709         return true;
1710     const vector<string>& vAllow = mapMultiArgs["-rpcallowip"];
1711     foreach(string strAllow, vAllow)
1712         if (WildcardMatch(strAddress, strAllow))
1713             return true;
1714     return false;
1715 }
1716
1717 #ifdef USE_SSL
1718 //
1719 // IOStream device that speaks SSL but can also speak non-SSL
1720 //
1721 class SSLIOStreamDevice : public iostreams::device<iostreams::bidirectional> {
1722 public:
1723     SSLIOStreamDevice(SSLStream &streamIn, bool fUseSSLIn) : stream(streamIn)
1724     {
1725         fUseSSL = fUseSSLIn;
1726         fNeedHandshake = fUseSSLIn;
1727     }
1728
1729     void handshake(ssl::stream_base::handshake_type role)
1730     {
1731         if (!fNeedHandshake) return;
1732         fNeedHandshake = false;
1733         stream.handshake(role);
1734     }
1735     std::streamsize read(char* s, std::streamsize n)
1736     {
1737         handshake(ssl::stream_base::server); // HTTPS servers read first
1738         if (fUseSSL) return stream.read_some(asio::buffer(s, n));
1739         return stream.next_layer().read_some(asio::buffer(s, n));
1740     }
1741     std::streamsize write(const char* s, std::streamsize n)
1742     {
1743         handshake(ssl::stream_base::client); // HTTPS clients write first
1744         if (fUseSSL) return asio::write(stream, asio::buffer(s, n));
1745         return asio::write(stream.next_layer(), asio::buffer(s, n));
1746     }
1747     bool connect(const std::string& server, const std::string& port)
1748     {
1749         ip::tcp::resolver resolver(stream.get_io_service());
1750         ip::tcp::resolver::query query(server.c_str(), port.c_str());
1751         ip::tcp::resolver::iterator endpoint_iterator = resolver.resolve(query);
1752         ip::tcp::resolver::iterator end;
1753         boost::system::error_code error = asio::error::host_not_found;
1754         while (error && endpoint_iterator != end)
1755         {
1756             stream.lowest_layer().close();
1757             stream.lowest_layer().connect(*endpoint_iterator++, error);
1758         }
1759         if (error)
1760             return false;
1761         return true;
1762     }
1763
1764 private:
1765     bool fNeedHandshake;
1766     bool fUseSSL;
1767     SSLStream& stream;
1768 };
1769 #endif
1770
1771 void ThreadRPCServer(void* parg)
1772 {
1773     IMPLEMENT_RANDOMIZE_STACK(ThreadRPCServer(parg));
1774     try
1775     {
1776         vnThreadsRunning[4]++;
1777         ThreadRPCServer2(parg);
1778         vnThreadsRunning[4]--;
1779     }
1780     catch (std::exception& e) {
1781         vnThreadsRunning[4]--;
1782         PrintException(&e, "ThreadRPCServer()");
1783     } catch (...) {
1784         vnThreadsRunning[4]--;
1785         PrintException(NULL, "ThreadRPCServer()");
1786     }
1787     printf("ThreadRPCServer exiting\n");
1788 }
1789
1790 void ThreadRPCServer2(void* parg)
1791 {
1792     printf("ThreadRPCServer started\n");
1793
1794     if (mapArgs["-rpcuser"] == "" && mapArgs["-rpcpassword"] == "")
1795     {
1796         string strWhatAmI = "To use bitcoind";
1797         if (mapArgs.count("-server"))
1798             strWhatAmI = strprintf(_("To use the %s option"), "\"-server\"");
1799         else if (mapArgs.count("-daemon"))
1800             strWhatAmI = strprintf(_("To use the %s option"), "\"-daemon\"");
1801         PrintConsole(
1802             _("Warning: %s, you must set rpcpassword=<password>\nin the configuration file: %s\n"
1803               "If the file does not exist, create it with owner-readable-only file permissions.\n"),
1804                 strWhatAmI.c_str(),
1805                 GetConfigFile().c_str());
1806         CreateThread(Shutdown, NULL);
1807         return;
1808     }
1809
1810     bool fUseSSL = GetBoolArg("-rpcssl");
1811     asio::ip::address bindAddress = mapArgs.count("-rpcallowip") ? asio::ip::address_v4::any() : asio::ip::address_v4::loopback();
1812
1813     asio::io_service io_service;
1814     ip::tcp::endpoint endpoint(bindAddress, GetArg("-rpcport", 8332));
1815     ip::tcp::acceptor acceptor(io_service, endpoint);
1816
1817     acceptor.set_option(boost::asio::ip::tcp::acceptor::reuse_address(true));
1818
1819 #ifdef USE_SSL
1820     ssl::context context(io_service, ssl::context::sslv23);
1821     if (fUseSSL)
1822     {
1823         context.set_options(ssl::context::no_sslv2);
1824         filesystem::path certfile = GetArg("-rpcsslcertificatechainfile", "server.cert");
1825         if (!certfile.is_complete()) certfile = filesystem::path(GetDataDir()) / certfile;
1826         if (filesystem::exists(certfile)) context.use_certificate_chain_file(certfile.string().c_str());
1827         else printf("ThreadRPCServer ERROR: missing server certificate file %s\n", certfile.string().c_str());
1828         filesystem::path pkfile = GetArg("-rpcsslprivatekeyfile", "server.pem");
1829         if (!pkfile.is_complete()) pkfile = filesystem::path(GetDataDir()) / pkfile;
1830         if (filesystem::exists(pkfile)) context.use_private_key_file(pkfile.string().c_str(), ssl::context::pem);
1831         else printf("ThreadRPCServer ERROR: missing server private key file %s\n", pkfile.string().c_str());
1832
1833         string ciphers = GetArg("-rpcsslciphers",
1834                                          "TLSv1+HIGH:!SSLv2:!aNULL:!eNULL:!AH:!3DES:@STRENGTH");
1835         SSL_CTX_set_cipher_list(context.impl(), ciphers.c_str());
1836     }
1837 #else
1838     if (fUseSSL)
1839         throw runtime_error("-rpcssl=1, but bitcoin compiled without full openssl libraries.");
1840 #endif
1841
1842     loop
1843     {
1844         // Accept connection
1845 #ifdef USE_SSL
1846         SSLStream sslStream(io_service, context);
1847         SSLIOStreamDevice d(sslStream, fUseSSL);
1848         iostreams::stream<SSLIOStreamDevice> stream(d);
1849 #else
1850         ip::tcp::iostream stream;
1851 #endif
1852
1853         ip::tcp::endpoint peer;
1854         vnThreadsRunning[4]--;
1855 #ifdef USE_SSL
1856         acceptor.accept(sslStream.lowest_layer(), peer);
1857 #else
1858         acceptor.accept(*stream.rdbuf(), peer);
1859 #endif
1860         vnThreadsRunning[4]++;
1861         if (fShutdown)
1862             return;
1863
1864         // Restrict callers by IP
1865         if (!ClientAllowed(peer.address().to_string()))
1866             continue;
1867
1868         map<string, string> mapHeaders;
1869         string strRequest;
1870
1871         boost::thread api_caller(ReadHTTP, boost::ref(stream), boost::ref(mapHeaders), boost::ref(strRequest));
1872         if (!api_caller.timed_join(boost::posix_time::seconds(GetArg("-rpctimeout", 30))))
1873         {   // Timed out:
1874             acceptor.cancel();
1875             printf("ThreadRPCServer ReadHTTP timeout\n");
1876             continue;
1877         }
1878
1879         // Check authorization
1880         if (mapHeaders.count("authorization") == 0)
1881         {
1882             stream << HTTPReply(401, "") << std::flush;
1883             continue;
1884         }
1885         if (!HTTPAuthorized(mapHeaders))
1886         {
1887             // Deter brute-forcing short passwords
1888             if (mapArgs["-rpcpassword"].size() < 15)
1889                 Sleep(50);
1890
1891             stream << HTTPReply(401, "") << std::flush;
1892             printf("ThreadRPCServer incorrect password attempt\n");
1893             continue;
1894         }
1895
1896         Value id = Value::null;
1897         try
1898         {
1899             // Parse request
1900             Value valRequest;
1901             if (!read_string(strRequest, valRequest) || valRequest.type() != obj_type)
1902                 throw JSONRPCError(-32700, "Parse error");
1903             const Object& request = valRequest.get_obj();
1904
1905             // Parse id now so errors from here on will have the id
1906             id = find_value(request, "id");
1907
1908             // Parse method
1909             Value valMethod = find_value(request, "method");
1910             if (valMethod.type() == null_type)
1911                 throw JSONRPCError(-32600, "Missing method");
1912             if (valMethod.type() != str_type)
1913                 throw JSONRPCError(-32600, "Method must be a string");
1914             string strMethod = valMethod.get_str();
1915             if (strMethod != "getwork")
1916                 printf("ThreadRPCServer method=%s\n", strMethod.c_str());
1917
1918             // Parse params
1919             Value valParams = find_value(request, "params");
1920             Array params;
1921             if (valParams.type() == array_type)
1922                 params = valParams.get_array();
1923             else if (valParams.type() == null_type)
1924                 params = Array();
1925             else
1926                 throw JSONRPCError(-32600, "Params must be an array");
1927
1928             // Find method
1929             map<string, rpcfn_type>::iterator mi = mapCallTable.find(strMethod);
1930             if (mi == mapCallTable.end())
1931                 throw JSONRPCError(-32601, "Method not found");
1932
1933             // Observe safe mode
1934             string strWarning = GetWarnings("rpc");
1935             if (strWarning != "" && !GetBoolArg("-disablesafemode") && !setAllowInSafeMode.count(strMethod))
1936                 throw JSONRPCError(-2, string("Safe mode: ") + strWarning);
1937
1938             try
1939             {
1940                 // Execute
1941                 Value result = (*(*mi).second)(params, false);
1942
1943                 // Send reply
1944                 string strReply = JSONRPCReply(result, Value::null, id);
1945                 stream << HTTPReply(200, strReply) << std::flush;
1946             }
1947             catch (std::exception& e)
1948             {
1949                 ErrorReply(stream, JSONRPCError(-1, e.what()), id);
1950             }
1951         }
1952         catch (Object& objError)
1953         {
1954             ErrorReply(stream, objError, id);
1955         }
1956         catch (std::exception& e)
1957         {
1958             ErrorReply(stream, JSONRPCError(-32700, e.what()), id);
1959         }
1960     }
1961 }
1962
1963
1964
1965
1966 Object CallRPC(const string& strMethod, const Array& params)
1967 {
1968     if (mapArgs["-rpcuser"] == "" && mapArgs["-rpcpassword"] == "")
1969         throw runtime_error(strprintf(
1970             _("You must set rpcpassword=<password> in the configuration file:\n%s\n"
1971               "If the file does not exist, create it with owner-readable-only file permissions."),
1972                 GetConfigFile().c_str()));
1973
1974     // Connect to localhost
1975     bool fUseSSL = GetBoolArg("-rpcssl");
1976 #ifdef USE_SSL
1977     asio::io_service io_service;
1978     ssl::context context(io_service, ssl::context::sslv23);
1979     context.set_options(ssl::context::no_sslv2);
1980     SSLStream sslStream(io_service, context);
1981     SSLIOStreamDevice d(sslStream, fUseSSL);
1982     iostreams::stream<SSLIOStreamDevice> stream(d);
1983     if (!d.connect(GetArg("-rpcconnect", "127.0.0.1"), GetArg("-rpcport", "8332")))
1984         throw runtime_error("couldn't connect to server");
1985 #else
1986     if (fUseSSL)
1987         throw runtime_error("-rpcssl=1, but bitcoin compiled without full openssl libraries.");
1988
1989     ip::tcp::iostream stream(GetArg("-rpcconnect", "127.0.0.1"), GetArg("-rpcport", "8332"));
1990     if (stream.fail())
1991         throw runtime_error("couldn't connect to server");
1992 #endif
1993
1994
1995     // HTTP basic authentication
1996     string strUserPass64 = EncodeBase64(mapArgs["-rpcuser"] + ":" + mapArgs["-rpcpassword"]);
1997     map<string, string> mapRequestHeaders;
1998     mapRequestHeaders["Authorization"] = string("Basic ") + strUserPass64;
1999
2000     // Send request
2001     string strRequest = JSONRPCRequest(strMethod, params, 1);
2002     string strPost = HTTPPost(strRequest, mapRequestHeaders);
2003     stream << strPost << std::flush;
2004
2005     // Receive reply
2006     map<string, string> mapHeaders;
2007     string strReply;
2008     int nStatus = ReadHTTP(stream, mapHeaders, strReply);
2009     if (nStatus == 401)
2010         throw runtime_error("incorrect rpcuser or rpcpassword (authorization failed)");
2011     else if (nStatus >= 400 && nStatus != 400 && nStatus != 404 && nStatus != 500)
2012         throw runtime_error(strprintf("server returned HTTP error %d", nStatus));
2013     else if (strReply.empty())
2014         throw runtime_error("no response from server");
2015
2016     // Parse reply
2017     Value valReply;
2018     if (!read_string(strReply, valReply))
2019         throw runtime_error("couldn't parse reply from server");
2020     const Object& reply = valReply.get_obj();
2021     if (reply.empty())
2022         throw runtime_error("expected reply to have result, error and id properties");
2023
2024     return reply;
2025 }
2026
2027
2028
2029
2030 template<typename T>
2031 void ConvertTo(Value& value)
2032 {
2033     if (value.type() == str_type)
2034     {
2035         // reinterpret string as unquoted json value
2036         Value value2;
2037         if (!read_string(value.get_str(), value2))
2038             throw runtime_error("type mismatch");
2039         value = value2.get_value<T>();
2040     }
2041     else
2042     {
2043         value = value.get_value<T>();
2044     }
2045 }
2046
2047 int CommandLineRPC(int argc, char *argv[])
2048 {
2049     string strPrint;
2050     int nRet = 0;
2051     try
2052     {
2053         // Skip switches
2054         while (argc > 1 && IsSwitchChar(argv[1][0]))
2055         {
2056             argc--;
2057             argv++;
2058         }
2059
2060         // Method
2061         if (argc < 2)
2062             throw runtime_error("too few parameters");
2063         string strMethod = argv[1];
2064
2065         // Parameters default to strings
2066         Array params;
2067         for (int i = 2; i < argc; i++)
2068             params.push_back(argv[i]);
2069         int n = params.size();
2070
2071         //
2072         // Special case non-string parameter types
2073         //
2074         if (strMethod == "setgenerate"            && n > 0) ConvertTo<bool>(params[0]);
2075         if (strMethod == "setgenerate"            && n > 1) ConvertTo<boost::int64_t>(params[1]);
2076         if (strMethod == "sendtoaddress"          && n > 1) ConvertTo<double>(params[1]);
2077         if (strMethod == "getamountreceived"      && n > 1) ConvertTo<boost::int64_t>(params[1]); // deprecated
2078         if (strMethod == "getreceivedbyaddress"   && n > 1) ConvertTo<boost::int64_t>(params[1]);
2079         if (strMethod == "getreceivedbyaccount"   && n > 1) ConvertTo<boost::int64_t>(params[1]);
2080         if (strMethod == "getreceivedbylabel"     && n > 1) ConvertTo<boost::int64_t>(params[1]); // deprecated
2081         if (strMethod == "getallreceived"         && n > 0) ConvertTo<boost::int64_t>(params[0]); // deprecated
2082         if (strMethod == "getallreceived"         && n > 1) ConvertTo<bool>(params[1]);
2083         if (strMethod == "listreceivedbyaddress"  && n > 0) ConvertTo<boost::int64_t>(params[0]);
2084         if (strMethod == "listreceivedbyaddress"  && n > 1) ConvertTo<bool>(params[1]);
2085         if (strMethod == "listreceivedbyaccount"  && n > 0) ConvertTo<boost::int64_t>(params[0]);
2086         if (strMethod == "listreceivedbyaccount"  && n > 1) ConvertTo<bool>(params[1]);
2087         if (strMethod == "listreceivedbylabel"    && n > 0) ConvertTo<boost::int64_t>(params[0]); // deprecated
2088         if (strMethod == "listreceivedbylabel"    && n > 1) ConvertTo<bool>(params[1]); // deprecated
2089         if (strMethod == "getbalance"             && n > 1) ConvertTo<boost::int64_t>(params[1]);
2090         if (strMethod == "move"                   && n > 2) ConvertTo<double>(params[2]);
2091         if (strMethod == "move"                   && n > 3) ConvertTo<boost::int64_t>(params[3]);
2092         if (strMethod == "sendfrom"               && n > 2) ConvertTo<double>(params[2]);
2093         if (strMethod == "sendfrom"               && n > 3) ConvertTo<boost::int64_t>(params[3]);
2094         if (strMethod == "listtransactions"       && n > 1) ConvertTo<boost::int64_t>(params[1]);
2095         if (strMethod == "listtransactions"       && n > 2) ConvertTo<boost::int64_t>(params[2]);
2096         if (strMethod == "listaccounts"           && n > 0) ConvertTo<boost::int64_t>(params[0]);
2097         if (strMethod == "sendmany"               && n > 1)
2098         {
2099             string s = params[1].get_str();
2100             Value v;
2101             if (!read_string(s, v) || v.type() != obj_type)
2102                 throw runtime_error("type mismatch");
2103             params[1] = v.get_obj();
2104         }
2105         if (strMethod == "sendmany"                && n > 2) ConvertTo<boost::int64_t>(params[2]);
2106
2107         // Execute
2108         Object reply = CallRPC(strMethod, params);
2109
2110         // Parse reply
2111         const Value& result = find_value(reply, "result");
2112         const Value& error  = find_value(reply, "error");
2113         const Value& id     = find_value(reply, "id");
2114
2115         if (error.type() != null_type)
2116         {
2117             // Error
2118             strPrint = "error: " + write_string(error, false);
2119             int code = find_value(error.get_obj(), "code").get_int();
2120             nRet = abs(code);
2121         }
2122         else
2123         {
2124             // Result
2125             if (result.type() == null_type)
2126                 strPrint = "";
2127             else if (result.type() == str_type)
2128                 strPrint = result.get_str();
2129             else
2130                 strPrint = write_string(result, true);
2131         }
2132     }
2133     catch (std::exception& e)
2134     {
2135         strPrint = string("error: ") + e.what();
2136         nRet = 87;
2137     }
2138     catch (...)
2139     {
2140         PrintException(NULL, "CommandLineRPC()");
2141     }
2142
2143     if (strPrint != "")
2144     {
2145 #if defined(__WXMSW__) && defined(GUI)
2146         // Windows GUI apps can't print to command line,
2147         // so settle for a message box yuck
2148         MyMessageBox(strPrint, "Bitcoin", wxOK);
2149 #else
2150         fprintf((nRet == 0 ? stdout : stderr), "%s\n", strPrint.c_str());
2151 #endif
2152     }
2153     return nRet;
2154 }
2155
2156
2157
2158
2159 #ifdef TEST
2160 int main(int argc, char *argv[])
2161 {
2162 #ifdef _MSC_VER
2163     // Turn off microsoft heap dump noise
2164     _CrtSetReportMode(_CRT_WARN, _CRTDBG_MODE_FILE);
2165     _CrtSetReportFile(_CRT_WARN, CreateFile("NUL", GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, 0));
2166 #endif
2167     setbuf(stdin, NULL);
2168     setbuf(stdout, NULL);
2169     setbuf(stderr, NULL);
2170
2171     try
2172     {
2173         if (argc >= 2 && string(argv[1]) == "-server")
2174         {
2175             printf("server ready\n");
2176             ThreadRPCServer(NULL);
2177         }
2178         else
2179         {
2180             return CommandLineRPC(argc, argv);
2181         }
2182     }
2183     catch (std::exception& e) {
2184         PrintException(&e, "main()");
2185     } catch (...) {
2186         PrintException(NULL, "main()");
2187     }
2188     return 0;
2189 }
2190 #endif