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 0.00000001");
 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         int64 nNow = GetAdjustedTime();
 706
 707         // Debit
 708         CAccountingEntry debit;
 709         debit.strAccount = strFrom;
 710         debit.nCreditDebit = -nAmount;
 711         debit.nTime = nNow;
 712         debit.strOtherAccount = strTo;
 713         debit.strComment = strComment;
 714         walletdb.WriteAccountingEntry(debit);
 715
 716         // Credit
 717         CAccountingEntry credit;
 718         credit.strAccount = strTo;
 719         credit.nCreditDebit = nAmount;
 720         credit.nTime = nNow;
 721         credit.strOtherAccount = strFrom;
 722         credit.strComment = strComment;
 723         walletdb.WriteAccountingEntry(credit);
 724
 725         walletdb.TxnCommit();
 726     }
 727     return true;
 728 }
 729
 730
 731 Value sendfrom(const Array& params, bool fHelp)
 732 {
 733     if (fHelp || params.size() < 3 || params.size() > 6)
 734         throw runtime_error(
 735             "sendfrom <fromaccount> <tobitcoinaddress> <amount> [minconf=1] [comment] [comment-to]\n"
 736             "<amount> is a real and is rounded to the nearest 0.00000001");
 737
 738     string strAccount = AccountFromValue(params[0]);
 739     string strAddress = params[1].get_str();
 740     int64 nAmount = AmountFromValue(params[2]);
 741     int nMinDepth = 1;
 742     if (params.size() > 3)
 743         nMinDepth = params[3].get_int();
 744
 745     CWalletTx wtx;
 746     wtx.strFromAccount = strAccount;
 747     if (params.size() > 4 && params[4].type() != null_type && !params[4].get_str().empty())
 748         wtx.mapValue["comment"] = params[4].get_str();
 749     if (params.size() > 5 && params[5].type() != null_type && !params[5].get_str().empty())
 750         wtx.mapValue["to"]      = params[5].get_str();
 751
 752     CRITICAL_BLOCK(cs_main)
 753     CRITICAL_BLOCK(cs_mapWallet)
 754     {
 755         // Check funds
 756         int64 nBalance = GetAccountBalance(strAccount, nMinDepth);
 757         if (nAmount > nBalance)
 758             throw JSONRPCError(-6, "Account has insufficient funds");
 759
 760         // Send
 761         string strError = SendMoneyToBitcoinAddress(strAddress, nAmount, wtx);
 762         if (strError != "")
 763             throw JSONRPCError(-4, strError);
 764     }
 765
 766     return wtx.GetHash().GetHex();
 767 }
 768
 769 Value sendmany(const Array& params, bool fHelp)
 770 {
 771     if (fHelp || params.size() < 2 || params.size() > 4)
 772         throw runtime_error(
 773             "sendmany <fromaccount> {address:amount,...} [minconf=1] [comment]\n"
 774             "amounts are double-precision floating point numbers");
 775
 776     string strAccount = AccountFromValue(params[0]);
 777     Object sendTo = params[1].get_obj();
 778     int nMinDepth = 1;
 779     if (params.size() > 2)
 780         nMinDepth = params[2].get_int();
 781
 782     CWalletTx wtx;
 783     wtx.strFromAccount = strAccount;
 784     if (params.size() > 3 && params[3].type() != null_type && !params[3].get_str().empty())
 785         wtx.mapValue["comment"] = params[3].get_str();
 786
 787     set<string> setAddress;
 788     vector<pair<CScript, int64> > vecSend;
 789
 790     int64 totalAmount = 0;
 791     foreach(const Pair& s, sendTo)
 792     {
 793         uint160 hash160;
 794         string strAddress = s.name_;
 795
 796         if (setAddress.count(strAddress))
 797             throw JSONRPCError(-8, string("Invalid parameter, duplicated address: ")+strAddress);
 798         setAddress.insert(strAddress);
 799
 800         CScript scriptPubKey;
 801         if (!scriptPubKey.SetBitcoinAddress(strAddress))
 802             throw JSONRPCError(-5, string("Invalid bitcoin address:")+strAddress);
 803         int64 nAmount = AmountFromValue(s.value_);
 804         totalAmount += nAmount;
 805
 806         vecSend.push_back(make_pair(scriptPubKey, nAmount));
 807     }
 808
 809     CRITICAL_BLOCK(cs_main)
 810     CRITICAL_BLOCK(cs_mapWallet)
 811     {
 812         // Check funds
 813         int64 nBalance = GetAccountBalance(strAccount, nMinDepth);
 814         if (totalAmount > nBalance)
 815             throw JSONRPCError(-6, "Account has insufficient funds");
 816
 817         // Send
 818         CReserveKey keyChange;
 819         int64 nFeeRequired = 0;
 820         bool fCreated = CreateTransaction(vecSend, wtx, keyChange, nFeeRequired);
 821         if (!fCreated)
 822         {
 823             if (totalAmount + nFeeRequired > GetBalance())
 824                 throw JSONRPCError(-6, "Insufficient funds");
 825             throw JSONRPCError(-4, "Transaction creation failed");
 826         }
 827         if (!CommitTransaction(wtx, keyChange))
 828             throw JSONRPCError(-4, "Transaction commit failed");
 829     }
 830
 831     return wtx.GetHash().GetHex();
 832 }
 833
 834
 835 struct tallyitem
 836 {
 837     int64 nAmount;
 838     int nConf;
 839     tallyitem()
 840     {
 841         nAmount = 0;
 842         nConf = INT_MAX;
 843     }
 844 };
 845
 846 Value ListReceived(const Array& params, bool fByAccounts)
 847 {
 848     // Minimum confirmations
 849     int nMinDepth = 1;
 850     if (params.size() > 0)
 851         nMinDepth = params[0].get_int();
 852
 853     // Whether to include empty accounts
 854     bool fIncludeEmpty = false;
 855     if (params.size() > 1)
 856         fIncludeEmpty = params[1].get_bool();
 857
 858     // Tally
 859     map<uint160, tallyitem> mapTally;
 860     CRITICAL_BLOCK(cs_mapWallet)
 861     {
 862         for (map<uint256, CWalletTx>::iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
 863         {
 864             const CWalletTx& wtx = (*it).second;
 865             if (wtx.IsCoinBase() || !wtx.IsFinal())
 866                 continue;
 867
 868             int nDepth = wtx.GetDepthInMainChain();
 869             if (nDepth < nMinDepth)
 870                 continue;
 871
 872             foreach(const CTxOut& txout, wtx.vout)
 873             {
 874                 // Only counting our own bitcoin addresses and not ip addresses
 875                 uint160 hash160 = txout.scriptPubKey.GetBitcoinAddressHash160();
 876                 if (hash160 == 0 || !mapPubKeys.count(hash160)) // IsMine
 877                     continue;
 878
 879                 tallyitem& item = mapTally[hash160];
 880                 item.nAmount += txout.nValue;
 881                 item.nConf = min(item.nConf, nDepth);
 882             }
 883         }
 884     }
 885
 886     // Reply
 887     Array ret;
 888     map<string, tallyitem> mapAccountTally;
 889     CRITICAL_BLOCK(cs_mapAddressBook)
 890     {
 891         foreach(const PAIRTYPE(string, string)& item, mapAddressBook)
 892         {
 893             const string& strAddress = item.first;
 894             const string& strAccount = item.second;
 895             uint160 hash160;
 896             if (!AddressToHash160(strAddress, hash160))
 897                 continue;
 898             map<uint160, tallyitem>::iterator it = mapTally.find(hash160);
 899             if (it == mapTally.end() && !fIncludeEmpty)
 900                 continue;
 901
 902             int64 nAmount = 0;
 903             int nConf = INT_MAX;
 904             if (it != mapTally.end())
 905             {
 906                 nAmount = (*it).second.nAmount;
 907                 nConf = (*it).second.nConf;
 908             }
 909
 910             if (fByAccounts)
 911             {
 912                 tallyitem& item = mapAccountTally[strAccount];
 913                 item.nAmount += nAmount;
 914                 item.nConf = min(item.nConf, nConf);
 915             }
 916             else
 917             {
 918                 Object obj;
 919                 obj.push_back(Pair("address",       strAddress));
 920                 obj.push_back(Pair("account",       strAccount));
 921                 obj.push_back(Pair("label",         strAccount)); // deprecated
 922                 obj.push_back(Pair("amount",        ValueFromAmount(nAmount)));
 923                 obj.push_back(Pair("confirmations", (nConf == INT_MAX ? 0 : nConf)));
 924                 ret.push_back(obj);
 925             }
 926         }
 927     }
 928
 929     if (fByAccounts)
 930     {
 931         for (map<string, tallyitem>::iterator it = mapAccountTally.begin(); it != mapAccountTally.end(); ++it)
 932         {
 933             int64 nAmount = (*it).second.nAmount;
 934             int nConf = (*it).second.nConf;
 935             Object obj;
 936             obj.push_back(Pair("account",       (*it).first));
 937             obj.push_back(Pair("label",         (*it).first)); // deprecated
 938             obj.push_back(Pair("amount",        ValueFromAmount(nAmount)));
 939             obj.push_back(Pair("confirmations", (nConf == INT_MAX ? 0 : nConf)));
 940             ret.push_back(obj);
 941         }
 942     }
 943
 944     return ret;
 945 }
 946
 947 Value listreceivedbyaddress(const Array& params, bool fHelp)
 948 {
 949     if (fHelp || params.size() > 2)
 950         throw runtime_error(
 951             "listreceivedbyaddress [minconf=1] [includeempty=false]\n"
 952             "[minconf] is the minimum number of confirmations before payments are included.\n"
 953             "[includeempty] whether to include addresses that haven't received any payments.\n"
 954             "Returns an array of objects containing:\n"
 955             "  \"address\" : receiving address\n"
 956             "  \"account\" : the account of the receiving address\n"
 957             "  \"amount\" : total amount received by the address\n"
 958             "  \"confirmations\" : number of confirmations of the most recent transaction included");
 959
 960     return ListReceived(params, false);
 961 }
 962
 963 Value listreceivedbyaccount(const Array& params, bool fHelp)
 964 {
 965     if (fHelp || params.size() > 2)
 966         throw runtime_error(
 967             "listreceivedbyaccount [minconf=1] [includeempty=false]\n"
 968             "[minconf] is the minimum number of confirmations before payments are included.\n"
 969             "[includeempty] whether to include accounts that haven't received any payments.\n"
 970             "Returns an array of objects containing:\n"
 971             "  \"account\" : the account of the receiving addresses\n"
 972             "  \"amount\" : total amount received by addresses with this account\n"
 973             "  \"confirmations\" : number of confirmations of the most recent transaction included");
 974
 975     return ListReceived(params, true);
 976 }
 977
 978 void ListTransactions(const CWalletTx& wtx, const string& strAccount, int nMinDepth, bool fLong, Array& ret)
 979 {
 980     int64 nGeneratedImmature, nGeneratedMature, nFee;
 981     string strSentAccount;
 982     list<pair<string, int64> > listReceived;
 983     list<pair<string, int64> > listSent;
 984     wtx.GetAmounts(nGeneratedImmature, nGeneratedMature, listReceived, listSent, nFee, strSentAccount);
 985
 986     bool fAllAccounts = (strAccount == string("*"));
 987
 988     // Generated blocks assigned to account ""
 989     if ((nGeneratedMature+nGeneratedImmature) != 0 && (fAllAccounts || strAccount == ""))
 990     {
 991         Object entry;
 992         entry.push_back(Pair("account", string("")));
 993         if (nGeneratedImmature)
 994         {
 995             entry.push_back(Pair("category", wtx.GetDepthInMainChain() ? "immature" : "orphan"));
 996             entry.push_back(Pair("amount", ValueFromAmount(nGeneratedImmature)));
 997         }
 998         else
 999         {
1000             entry.push_back(Pair("category", "generate"));
1001             entry.push_back(Pair("amount", ValueFromAmount(nGeneratedMature)));
1002         }
1003         if (fLong)
1004             WalletTxToJSON(wtx, entry);
1005         ret.push_back(entry);
1006     }
1007
1008     // Sent
1009     if ((!listSent.empty() || nFee != 0) && (fAllAccounts || strAccount == strSentAccount))
1010     {
1011         foreach(const PAIRTYPE(string, int64)& s, listSent)
1012         {
1013             Object entry;
1014             entry.push_back(Pair("account", strSentAccount));
1015             entry.push_back(Pair("address", s.first));
1016             entry.push_back(Pair("category", "send"));
1017             entry.push_back(Pair("amount", ValueFromAmount(-s.second)));
1018             entry.push_back(Pair("fee", ValueFromAmount(-nFee)));
1019             if (fLong)
1020                 WalletTxToJSON(wtx, entry);
1021             ret.push_back(entry);
1022         }
1023     }
1024
1025     // Received
1026     if (listReceived.size() > 0 && wtx.GetDepthInMainChain() >= nMinDepth)
1027         CRITICAL_BLOCK(cs_mapAddressBook)
1028         {
1029             foreach(const PAIRTYPE(string, int64)& r, listReceived)
1030             {
1031                 string account;
1032                 if (mapAddressBook.count(r.first))
1033                     account = mapAddressBook[r.first];
1034                 if (fAllAccounts || (account == strAccount))
1035                 {
1036                     Object entry;
1037                     entry.push_back(Pair("account", account));
1038                     entry.push_back(Pair("address", r.first));
1039                     entry.push_back(Pair("category", "receive"));
1040                     entry.push_back(Pair("amount", ValueFromAmount(r.second)));
1041                     if (fLong)
1042                         WalletTxToJSON(wtx, entry);
1043                     ret.push_back(entry);
1044                 }
1045             }
1046         }
1047
1048 }
1049
1050 void AcentryToJSON(const CAccountingEntry& acentry, const string& strAccount, Array& ret)
1051 {
1052     bool fAllAccounts = (strAccount == string("*"));
1053
1054     if (fAllAccounts || acentry.strAccount == strAccount)
1055     {
1056         Object entry;
1057         entry.push_back(Pair("account", acentry.strAccount));
1058         entry.push_back(Pair("category", "move"));
1059         entry.push_back(Pair("time", (boost::int64_t)acentry.nTime));
1060         entry.push_back(Pair("amount", ValueFromAmount(acentry.nCreditDebit)));
1061         entry.push_back(Pair("otheraccount", acentry.strOtherAccount));
1062         entry.push_back(Pair("comment", acentry.strComment));
1063         ret.push_back(entry);
1064     }
1065 }
1066
1067 Value listtransactions(const Array& params, bool fHelp)
1068 {
1069     if (fHelp || params.size() > 3)
1070         throw runtime_error(
1071             "listtransactions [account] [count=10] [from=0]\n"
1072             "Returns up to [count] most recent transactions skipping the first [from] transactions for account [account].");
1073
1074     string strAccount = "*";
1075     if (params.size() > 0)
1076         strAccount = params[0].get_str();
1077     int nCount = 10;
1078     if (params.size() > 1)
1079         nCount = params[1].get_int();
1080     int nFrom = 0;
1081     if (params.size() > 2)
1082         nFrom = params[2].get_int();
1083
1084     Array ret;
1085     CWalletDB walletdb;
1086
1087     CRITICAL_BLOCK(cs_mapWallet)
1088     {
1089         // Firs: get all CWalletTx and CAccountingEntry into a sorted-by-time multimap:
1090         typedef pair<CWalletTx*, CAccountingEntry*> TxPair;
1091         typedef multimap<int64, TxPair > TxItems;
1092         TxItems txByTime;
1093
1094         for (map<uint256, CWalletTx>::iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
1095         {
1096             CWalletTx* wtx = &((*it).second);
1097             txByTime.insert(make_pair(wtx->GetTxTime(), TxPair(wtx, (CAccountingEntry*)0)));
1098         }
1099         list<CAccountingEntry> acentries;
1100         walletdb.ListAccountCreditDebit(strAccount, acentries);
1101         foreach(CAccountingEntry& entry, acentries)
1102         {
1103             txByTime.insert(make_pair(entry.nTime, TxPair((CWalletTx*)0, &entry)));
1104         }
1105
1106         // Now: iterate backwards until we have nCount items to return:
1107         TxItems::reverse_iterator it = txByTime.rbegin();
1108         for (std::advance(it, nFrom); it != txByTime.rend(); ++it)
1109         {
1110             CWalletTx *const pwtx = (*it).second.first;
1111             if (pwtx != 0)
1112                 ListTransactions(*pwtx, strAccount, 0, true, ret);
1113             CAccountingEntry *const pacentry = (*it).second.second;
1114             if (pacentry != 0)
1115                 AcentryToJSON(*pacentry, strAccount, ret);
1116
1117             if (ret.size() >= nCount) break;
1118         }
1119         // ret is now newest to oldest
1120     }
1121
1122     // Make sure we return only last nCount items (sends-to-self might give us an extra):
1123     if (ret.size() > nCount)
1124     {
1125         Array::iterator last = ret.begin();
1126         std::advance(last, nCount);
1127         ret.erase(last, ret.end());
1128     }
1129     std::reverse(ret.begin(), ret.end()); // oldest to newest
1130
1131     return ret;
1132 }
1133
1134 Value listaccounts(const Array& params, bool fHelp)
1135 {
1136     if (fHelp || params.size() > 1)
1137         throw runtime_error(
1138             "listaccounts [minconf=1]\n"
1139             "Returns Object that has account names as keys, account balances as values.");
1140
1141     int nMinDepth = 1;
1142     if (params.size() > 0)
1143         nMinDepth = params[0].get_int();
1144
1145     map<string, int64> mapAccountBalances;
1146     CRITICAL_BLOCK(cs_mapWallet)
1147     CRITICAL_BLOCK(cs_mapAddressBook)
1148     {
1149         foreach(const PAIRTYPE(string, string)& entry, mapAddressBook) {
1150             uint160 hash160;
1151             if(AddressToHash160(entry.first, hash160) && mapPubKeys.count(hash160)) // This address belongs to me
1152                 mapAccountBalances[entry.second] = 0;
1153         }
1154
1155         for (map<uint256, CWalletTx>::iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
1156         {
1157             const CWalletTx& wtx = (*it).second;
1158             int64 nGeneratedImmature, nGeneratedMature, nFee;
1159             string strSentAccount;
1160             list<pair<string, int64> > listReceived;
1161             list<pair<string, int64> > listSent;
1162             wtx.GetAmounts(nGeneratedImmature, nGeneratedMature, listReceived, listSent, nFee, strSentAccount);
1163             mapAccountBalances[strSentAccount] -= nFee;
1164             foreach(const PAIRTYPE(string, int64)& s, listSent)
1165                 mapAccountBalances[strSentAccount] -= s.second;
1166             if (wtx.GetDepthInMainChain() >= nMinDepth)
1167             {
1168                 mapAccountBalances[""] += nGeneratedMature;
1169                 foreach(const PAIRTYPE(string, int64)& r, listReceived)
1170                     if (mapAddressBook.count(r.first))
1171                         mapAccountBalances[mapAddressBook[r.first]] += r.second;
1172                     else
1173                         mapAccountBalances[""] += r.second;
1174             }
1175         }
1176     }
1177
1178     list<CAccountingEntry> acentries;
1179     CWalletDB().ListAccountCreditDebit("*", acentries);
1180     foreach(const CAccountingEntry& entry, acentries)
1181         mapAccountBalances[entry.strAccount] += entry.nCreditDebit;
1182
1183     Object ret;
1184     foreach(const PAIRTYPE(string, int64)& accountBalance, mapAccountBalances) {
1185         ret.push_back(Pair(accountBalance.first, ValueFromAmount(accountBalance.second)));
1186     }
1187     return ret;
1188 }
1189
1190 Value gettransaction(const Array& params, bool fHelp)
1191 {
1192     if (fHelp || params.size() != 1)
1193         throw runtime_error(
1194             "gettransaction <txid>\n"
1195             "Get detailed information about <txid>");
1196
1197     uint256 hash;
1198     hash.SetHex(params[0].get_str());
1199
1200     Object entry;
1201     CRITICAL_BLOCK(cs_mapWallet)
1202     {
1203         if (!mapWallet.count(hash))
1204             throw JSONRPCError(-5, "Invalid or non-wallet transaction id");
1205         const CWalletTx& wtx = mapWallet[hash];
1206
1207         int64 nCredit = wtx.GetCredit();
1208         int64 nDebit = wtx.GetDebit();
1209         int64 nNet = nCredit - nDebit;
1210         int64 nFee = (wtx.IsFromMe() ? wtx.GetValueOut() - nDebit : 0);
1211
1212         entry.push_back(Pair("amount", ValueFromAmount(nNet - nFee)));
1213         if (wtx.IsFromMe())
1214             entry.push_back(Pair("fee", ValueFromAmount(nFee)));
1215
1216         WalletTxToJSON(mapWallet[hash], entry);
1217
1218         Array details;
1219         ListTransactions(mapWallet[hash], "*", 0, false, details);
1220         entry.push_back(Pair("details", details));
1221     }
1222
1223     return entry;
1224 }
1225
1226
1227 Value backupwallet(const Array& params, bool fHelp)
1228 {
1229     if (fHelp || params.size() != 1)
1230         throw runtime_error(
1231             "backupwallet <destination>\n"
1232             "Safely copies wallet.dat to destination, which can be a directory or a path with filename.");
1233
1234     string strDest = params[0].get_str();
1235     BackupWallet(strDest);
1236
1237     return Value::null;
1238 }
1239
1240
1241 Value validateaddress(const Array& params, bool fHelp)
1242 {
1243     if (fHelp || params.size() != 1)
1244         throw runtime_error(
1245             "validateaddress <bitcoinaddress>\n"
1246             "Return information about <bitcoinaddress>.");
1247
1248     string strAddress = params[0].get_str();
1249     uint160 hash160;
1250     bool isValid = AddressToHash160(strAddress, hash160);
1251
1252     Object ret;
1253     ret.push_back(Pair("isvalid", isValid));
1254     if (isValid)
1255     {
1256         // Call Hash160ToAddress() so we always return current ADDRESSVERSION
1257         // version of the address:
1258         string currentAddress = Hash160ToAddress(hash160);
1259         ret.push_back(Pair("address", currentAddress));
1260         ret.push_back(Pair("ismine", (mapPubKeys.count(hash160) > 0)));
1261         CRITICAL_BLOCK(cs_mapAddressBook)
1262         {
1263             if (mapAddressBook.count(currentAddress))
1264                 ret.push_back(Pair("account", mapAddressBook[currentAddress]));
1265         }
1266     }
1267     return ret;
1268 }
1269
1270
1271 Value getwork(const Array& params, bool fHelp)
1272 {
1273     if (fHelp || params.size() > 1)
1274         throw runtime_error(
1275             "getwork [data]\n"
1276             "If [data] is not specified, returns formatted hash data to work on:\n"
1277             "  \"midstate\" : precomputed hash state after hashing the first half of the data\n"
1278             "  \"data\" : block data\n"
1279             "  \"hash1\" : formatted hash buffer for second hash\n"
1280             "  \"target\" : little endian hash target\n"
1281             "If [data] is specified, tries to solve the block and returns true if it was successful.");
1282
1283     if (vNodes.empty())
1284         throw JSONRPCError(-9, "Bitcoin is not connected!");
1285
1286     if (IsInitialBlockDownload())
1287         throw JSONRPCError(-10, "Bitcoin is downloading blocks...");
1288
1289     static map<uint256, pair<CBlock*, unsigned int> > mapNewBlock;
1290     static vector<CBlock*> vNewBlock;
1291     static CReserveKey reservekey;
1292
1293     if (params.size() == 0)
1294     {
1295         // Update block
1296         static unsigned int nTransactionsUpdatedLast;
1297         static CBlockIndex* pindexPrev;
1298         static int64 nStart;
1299         static CBlock* pblock;
1300         if (pindexPrev != pindexBest ||
1301             (nTransactionsUpdated != nTransactionsUpdatedLast && GetTime() - nStart > 60))
1302         {
1303             if (pindexPrev != pindexBest)
1304             {
1305                 // Deallocate old blocks since they're obsolete now
1306                 mapNewBlock.clear();
1307                 foreach(CBlock* pblock, vNewBlock)
1308                     delete pblock;
1309                 vNewBlock.clear();
1310             }
1311             nTransactionsUpdatedLast = nTransactionsUpdated;
1312             pindexPrev = pindexBest;
1313             nStart = GetTime();
1314
1315             // Create new block
1316             pblock = CreateNewBlock(reservekey);
1317             if (!pblock)
1318                 throw JSONRPCError(-7, "Out of memory");
1319             vNewBlock.push_back(pblock);
1320         }
1321
1322         // Update nTime
1323         pblock->nTime = max(pindexPrev->GetMedianTimePast()+1, GetAdjustedTime());
1324         pblock->nNonce = 0;
1325
1326         // Update nExtraNonce
1327         static unsigned int nExtraNonce = 0;
1328         static int64 nPrevTime = 0;
1329         IncrementExtraNonce(pblock, pindexPrev, nExtraNonce, nPrevTime);
1330
1331         // Save
1332         mapNewBlock[pblock->hashMerkleRoot] = make_pair(pblock, nExtraNonce);
1333
1334         // Prebuild hash buffers
1335         char pmidstate[32];
1336         char pdata[128];
1337         char phash1[64];
1338         FormatHashBuffers(pblock, pmidstate, pdata, phash1);
1339
1340         uint256 hashTarget = CBigNum().SetCompact(pblock->nBits).getuint256();
1341
1342         Object result;
1343         result.push_back(Pair("midstate", HexStr(BEGIN(pmidstate), END(pmidstate))));
1344         result.push_back(Pair("data",     HexStr(BEGIN(pdata), END(pdata))));
1345         result.push_back(Pair("hash1",    HexStr(BEGIN(phash1), END(phash1))));
1346         result.push_back(Pair("target",   HexStr(BEGIN(hashTarget), END(hashTarget))));
1347         return result;
1348     }
1349     else
1350     {
1351         // Parse parameters
1352         vector<unsigned char> vchData = ParseHex(params[0].get_str());
1353         if (vchData.size() != 128)
1354             throw JSONRPCError(-8, "Invalid parameter");
1355         CBlock* pdata = (CBlock*)&vchData[0];
1356
1357         // Byte reverse
1358         for (int i = 0; i < 128/4; i++)
1359             ((unsigned int*)pdata)[i] = CryptoPP::ByteReverse(((unsigned int*)pdata)[i]);
1360
1361         // Get saved block
1362         if (!mapNewBlock.count(pdata->hashMerkleRoot))
1363             return false;
1364         CBlock* pblock = mapNewBlock[pdata->hashMerkleRoot].first;
1365         unsigned int nExtraNonce = mapNewBlock[pdata->hashMerkleRoot].second;
1366
1367         pblock->nTime = pdata->nTime;
1368         pblock->nNonce = pdata->nNonce;
1369         pblock->vtx[0].vin[0].scriptSig = CScript() << pblock->nBits << CBigNum(nExtraNonce);
1370         pblock->hashMerkleRoot = pblock->BuildMerkleTree();
1371
1372         return CheckWork(pblock, reservekey);
1373     }
1374 }
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386 //
1387 // Call Table
1388 //
1389
1390 pair<string, rpcfn_type> pCallTable[] =
1391 {
1392     make_pair("help",                  &help),
1393     make_pair("stop",                  &stop),
1394     make_pair("getblockcount",         &getblockcount),
1395     make_pair("getblocknumber",        &getblocknumber),
1396     make_pair("getconnectioncount",    &getconnectioncount),
1397     make_pair("getdifficulty",         &getdifficulty),
1398     make_pair("getgenerate",           &getgenerate),
1399     make_pair("setgenerate",           &setgenerate),
1400     make_pair("gethashespersec",       &gethashespersec),
1401     make_pair("getinfo",               &getinfo),
1402     make_pair("getnewaddress",         &getnewaddress),
1403     make_pair("getaccountaddress",     &getaccountaddress),
1404     make_pair("setaccount",            &setaccount),
1405     make_pair("setlabel",              &setaccount), // deprecated
1406     make_pair("getaccount",            &getaccount),
1407     make_pair("getlabel",              &getaccount), // deprecated
1408     make_pair("getaddressesbyaccount", &getaddressesbyaccount),
1409     make_pair("getaddressesbylabel",   &getaddressesbyaccount), // deprecated
1410     make_pair("sendtoaddress",         &sendtoaddress),
1411     make_pair("getamountreceived",     &getreceivedbyaddress), // deprecated, renamed to getreceivedbyaddress
1412     make_pair("getallreceived",        &listreceivedbyaddress), // deprecated, renamed to listreceivedbyaddress
1413     make_pair("getreceivedbyaddress",  &getreceivedbyaddress),
1414     make_pair("getreceivedbyaccount",  &getreceivedbyaccount),
1415     make_pair("getreceivedbylabel",    &getreceivedbyaccount), // deprecated
1416     make_pair("listreceivedbyaddress", &listreceivedbyaddress),
1417     make_pair("listreceivedbyaccount", &listreceivedbyaccount),
1418     make_pair("listreceivedbylabel",   &listreceivedbyaccount), // deprecated
1419     make_pair("backupwallet",          &backupwallet),
1420     make_pair("validateaddress",       &validateaddress),
1421     make_pair("getbalance",            &getbalance),
1422     make_pair("move",                  &movecmd),
1423     make_pair("sendfrom",              &sendfrom),
1424     make_pair("sendmany",              &sendmany),
1425     make_pair("gettransaction",        &gettransaction),
1426     make_pair("listtransactions",      &listtransactions),
1427     make_pair("getwork",               &getwork),
1428     make_pair("listaccounts",          &listaccounts),
1429 };
1430 map<string, rpcfn_type> mapCallTable(pCallTable, pCallTable + sizeof(pCallTable)/sizeof(pCallTable[0]));
1431
1432 string pAllowInSafeMode[] =
1433 {
1434     "help",
1435     "stop",
1436     "getblockcount",
1437     "getblocknumber",
1438     "getconnectioncount",
1439     "getdifficulty",
1440     "getgenerate",
1441     "setgenerate",
1442     "gethashespersec",
1443     "getinfo",
1444     "getnewaddress",
1445     "getaccountaddress",
1446     "setlabel",
1447     "getaccount",
1448     "getlabel", // deprecated
1449     "getaddressesbyaccount",
1450     "getaddressesbylabel", // deprecated
1451     "backupwallet",
1452     "validateaddress",
1453     "getwork",
1454 };
1455 set<string> setAllowInSafeMode(pAllowInSafeMode, pAllowInSafeMode + sizeof(pAllowInSafeMode)/sizeof(pAllowInSafeMode[0]));
1456
1457
1458
1459
1460 //
1461 // HTTP protocol
1462 //
1463 // This ain't Apache.  We're just using HTTP header for the length field
1464 // and to be compatible with other JSON-RPC implementations.
1465 //
1466
1467 string HTTPPost(const string& strMsg, const map<string,string>& mapRequestHeaders)
1468 {
1469     ostringstream s;
1470     s << "POST / HTTP/1.1\r\n"
1471       << "User-Agent: bitcoin-json-rpc/" << FormatFullVersion() << "\r\n"
1472       << "Host: 127.0.0.1\r\n"
1473       << "Content-Type: application/json\r\n"
1474       << "Content-Length: " << strMsg.size() << "\r\n"
1475       << "Accept: application/json\r\n";
1476     foreach(const PAIRTYPE(string, string)& item, mapRequestHeaders)
1477         s << item.first << ": " << item.second << "\r\n";
1478     s << "\r\n" << strMsg;
1479
1480     return s.str();
1481 }
1482
1483 string rfc1123Time()
1484 {
1485     char buffer[64];
1486     time_t now;
1487     time(&now);
1488     struct tm* now_gmt = gmtime(&now);
1489     string locale(setlocale(LC_TIME, NULL));
1490     setlocale(LC_TIME, "C"); // we want posix (aka "C") weekday/month strings
1491     strftime(buffer, sizeof(buffer), "%a, %d %b %Y %H:%M:%S +0000", now_gmt);
1492     setlocale(LC_TIME, locale.c_str());
1493     return string(buffer);
1494 }
1495
1496 string HTTPReply(int nStatus, const string& strMsg)
1497 {
1498     if (nStatus == 401)
1499         return strprintf("HTTP/1.0 401 Authorization Required\r\n"
1500             "Date: %s\r\n"
1501             "Server: bitcoin-json-rpc/%s\r\n"
1502             "WWW-Authenticate: Basic realm=\"jsonrpc\"\r\n"
1503             "Content-Type: text/html\r\n"
1504             "Content-Length: 296\r\n"
1505             "\r\n"
1506             "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\"\r\n"
1507             "\"http://www.w3.org/TR/1999/REC-html401-19991224/loose.dtd\">\r\n"
1508             "<HTML>\r\n"
1509             "<HEAD>\r\n"
1510             "<TITLE>Error</TITLE>\r\n"
1511             "<META HTTP-EQUIV='Content-Type' CONTENT='text/html; charset=ISO-8859-1'>\r\n"
1512             "</HEAD>\r\n"
1513             "<BODY><H1>401 Unauthorized.</H1></BODY>\r\n"
1514             "</HTML>\r\n", rfc1123Time().c_str(), FormatFullVersion().c_str());
1515     string strStatus;
1516          if (nStatus == 200) strStatus = "OK";
1517     else if (nStatus == 400) strStatus = "Bad Request";
1518     else if (nStatus == 404) strStatus = "Not Found";
1519     else if (nStatus == 500) strStatus = "Internal Server Error";
1520     return strprintf(
1521             "HTTP/1.1 %d %s\r\n"
1522             "Date: %s\r\n"
1523             "Connection: close\r\n"
1524             "Content-Length: %d\r\n"
1525             "Content-Type: application/json\r\n"
1526             "Server: bitcoin-json-rpc/%s\r\n"
1527             "\r\n"
1528             "%s",
1529         nStatus,
1530         strStatus.c_str(),
1531         rfc1123Time().c_str(),
1532         strMsg.size(),
1533         FormatFullVersion().c_str(),
1534         strMsg.c_str());
1535 }
1536
1537 int ReadHTTPStatus(std::basic_istream<char>& stream)
1538 {
1539     string str;
1540     getline(stream, str);
1541     vector<string> vWords;
1542     boost::split(vWords, str, boost::is_any_of(" "));
1543     if (vWords.size() < 2)
1544         return 500;
1545     return atoi(vWords[1].c_str());
1546 }
1547
1548 int ReadHTTPHeader(std::basic_istream<char>& stream, map<string, string>& mapHeadersRet)
1549 {
1550     int nLen = 0;
1551     loop
1552     {
1553         string str;
1554         std::getline(stream, str);
1555         if (str.empty() || str == "\r")
1556             break;
1557         string::size_type nColon = str.find(":");
1558         if (nColon != string::npos)
1559         {
1560             string strHeader = str.substr(0, nColon);
1561             boost::trim(strHeader);
1562             boost::to_lower(strHeader);
1563             string strValue = str.substr(nColon+1);
1564             boost::trim(strValue);
1565             mapHeadersRet[strHeader] = strValue;
1566             if (strHeader == "content-length")
1567                 nLen = atoi(strValue.c_str());
1568         }
1569     }
1570     return nLen;
1571 }
1572
1573 int ReadHTTP(std::basic_istream<char>& stream, map<string, string>& mapHeadersRet, string& strMessageRet)
1574 {
1575     mapHeadersRet.clear();
1576     strMessageRet = "";
1577
1578     // Read status
1579     int nStatus = ReadHTTPStatus(stream);
1580
1581     // Read header
1582     int nLen = ReadHTTPHeader(stream, mapHeadersRet);
1583     if (nLen < 0 || nLen > MAX_SIZE)
1584         return 500;
1585
1586     // Read message
1587     if (nLen > 0)
1588     {
1589         vector<char> vch(nLen);
1590         stream.read(&vch[0], nLen);
1591         strMessageRet = string(vch.begin(), vch.end());
1592     }
1593
1594     return nStatus;
1595 }
1596
1597 string EncodeBase64(string s)
1598 {
1599     BIO *b64, *bmem;
1600     BUF_MEM *bptr;
1601
1602     b64 = BIO_new(BIO_f_base64());
1603     BIO_set_flags(b64, BIO_FLAGS_BASE64_NO_NL);
1604     bmem = BIO_new(BIO_s_mem());
1605     b64 = BIO_push(b64, bmem);
1606     BIO_write(b64, s.c_str(), s.size());
1607     BIO_flush(b64);
1608     BIO_get_mem_ptr(b64, &bptr);
1609
1610     string result(bptr->data, bptr->length);
1611     BIO_free_all(b64);
1612
1613     return result;
1614 }
1615
1616 string DecodeBase64(string s)
1617 {
1618     BIO *b64, *bmem;
1619
1620     char* buffer = static_cast<char*>(calloc(s.size(), sizeof(char)));
1621
1622     b64 = BIO_new(BIO_f_base64());
1623     BIO_set_flags(b64, BIO_FLAGS_BASE64_NO_NL);
1624     bmem = BIO_new_mem_buf(const_cast<char*>(s.c_str()), s.size());
1625     bmem = BIO_push(b64, bmem);
1626     BIO_read(bmem, buffer, s.size());
1627     BIO_free_all(bmem);
1628
1629     string result(buffer);
1630     free(buffer);
1631     return result;
1632 }
1633
1634 bool HTTPAuthorized(map<string, string>& mapHeaders)
1635 {
1636     string strAuth = mapHeaders["authorization"];
1637     if (strAuth.substr(0,6) != "Basic ")
1638         return false;
1639     string strUserPass64 = strAuth.substr(6); boost::trim(strUserPass64);
1640     string strUserPass = DecodeBase64(strUserPass64);
1641     string::size_type nColon = strUserPass.find(":");
1642     if (nColon == string::npos)
1643         return false;
1644     string strUser = strUserPass.substr(0, nColon);
1645     string strPassword = strUserPass.substr(nColon+1);
1646     return (strUser == mapArgs["-rpcuser"] && strPassword == mapArgs["-rpcpassword"]);
1647 }
1648
1649 //
1650 // JSON-RPC protocol.  Bitcoin speaks version 1.0 for maximum compatibility,
1651 // but uses JSON-RPC 1.1/2.0 standards for parts of the 1.0 standard that were
1652 // unspecified (HTTP errors and contents of 'error').
1653 //
1654 // 1.0 spec: http://json-rpc.org/wiki/specification
1655 // 1.2 spec: http://groups.google.com/group/json-rpc/web/json-rpc-over-http
1656 // http://www.codeproject.com/KB/recipes/JSON_Spirit.aspx
1657 //
1658
1659 string JSONRPCRequest(const string& strMethod, const Array& params, const Value& id)
1660 {
1661     Object request;
1662     request.push_back(Pair("method", strMethod));
1663     request.push_back(Pair("params", params));
1664     request.push_back(Pair("id", id));
1665     return write_string(Value(request), false) + "\n";
1666 }
1667
1668 string JSONRPCReply(const Value& result, const Value& error, const Value& id)
1669 {
1670     Object reply;
1671     if (error.type() != null_type)
1672         reply.push_back(Pair("result", Value::null));
1673     else
1674         reply.push_back(Pair("result", result));
1675     reply.push_back(Pair("error", error));
1676     reply.push_back(Pair("id", id));
1677     return write_string(Value(reply), false) + "\n";
1678 }
1679
1680 void ErrorReply(std::ostream& stream, const Object& objError, const Value& id)
1681 {
1682     // Send error reply from json-rpc error object
1683     int nStatus = 500;
1684     int code = find_value(objError, "code").get_int();
1685     if (code == -32600) nStatus = 400;
1686     else if (code == -32601) nStatus = 404;
1687     string strReply = JSONRPCReply(Value::null, objError, id);
1688     stream << HTTPReply(nStatus, strReply) << std::flush;
1689 }
1690
1691 bool ClientAllowed(const string& strAddress)
1692 {
1693     if (strAddress == asio::ip::address_v4::loopback().to_string())
1694         return true;
1695     const vector<string>& vAllow = mapMultiArgs["-rpcallowip"];
1696     foreach(string strAllow, vAllow)
1697         if (WildcardMatch(strAddress, strAllow))
1698             return true;
1699     return false;
1700 }
1701
1702 #ifdef USE_SSL
1703 //
1704 // IOStream device that speaks SSL but can also speak non-SSL
1705 //
1706 class SSLIOStreamDevice : public iostreams::device<iostreams::bidirectional> {
1707 public:
1708     SSLIOStreamDevice(SSLStream &streamIn, bool fUseSSLIn) : stream(streamIn)
1709     {
1710         fUseSSL = fUseSSLIn;
1711         fNeedHandshake = fUseSSLIn;
1712     }
1713
1714     void handshake(ssl::stream_base::handshake_type role)
1715     {
1716         if (!fNeedHandshake) return;
1717         fNeedHandshake = false;
1718         stream.handshake(role);
1719     }
1720     std::streamsize read(char* s, std::streamsize n)
1721     {
1722         handshake(ssl::stream_base::server); // HTTPS servers read first
1723         if (fUseSSL) return stream.read_some(asio::buffer(s, n));
1724         return stream.next_layer().read_some(asio::buffer(s, n));
1725     }
1726     std::streamsize write(const char* s, std::streamsize n)
1727     {
1728         handshake(ssl::stream_base::client); // HTTPS clients write first
1729         if (fUseSSL) return asio::write(stream, asio::buffer(s, n));
1730         return asio::write(stream.next_layer(), asio::buffer(s, n));
1731     }
1732     bool connect(const std::string& server, const std::string& port)
1733     {
1734         ip::tcp::resolver resolver(stream.get_io_service());
1735         ip::tcp::resolver::query query(server.c_str(), port.c_str());
1736         ip::tcp::resolver::iterator endpoint_iterator = resolver.resolve(query);
1737         ip::tcp::resolver::iterator end;
1738         boost::system::error_code error = asio::error::host_not_found;
1739         while (error && endpoint_iterator != end)
1740         {
1741             stream.lowest_layer().close();
1742             stream.lowest_layer().connect(*endpoint_iterator++, error);
1743         }
1744         if (error)
1745             return false;
1746         return true;
1747     }
1748
1749 private:
1750     bool fNeedHandshake;
1751     bool fUseSSL;
1752     SSLStream& stream;
1753 };
1754 #endif
1755
1756 void ThreadRPCServer(void* parg)
1757 {
1758     IMPLEMENT_RANDOMIZE_STACK(ThreadRPCServer(parg));
1759     try
1760     {
1761         vnThreadsRunning[4]++;
1762         ThreadRPCServer2(parg);
1763         vnThreadsRunning[4]--;
1764     }
1765     catch (std::exception& e) {
1766         vnThreadsRunning[4]--;
1767         PrintException(&e, "ThreadRPCServer()");
1768     } catch (...) {
1769         vnThreadsRunning[4]--;
1770         PrintException(NULL, "ThreadRPCServer()");
1771     }
1772     printf("ThreadRPCServer exiting\n");
1773 }
1774
1775 void ThreadRPCServer2(void* parg)
1776 {
1777     printf("ThreadRPCServer started\n");
1778
1779     if (mapArgs["-rpcuser"] == "" && mapArgs["-rpcpassword"] == "")
1780     {
1781         string strWhatAmI = "To use bitcoind";
1782         if (mapArgs.count("-server"))
1783             strWhatAmI = strprintf(_("To use the %s option"), "\"-server\"");
1784         else if (mapArgs.count("-daemon"))
1785             strWhatAmI = strprintf(_("To use the %s option"), "\"-daemon\"");
1786         PrintConsole(
1787             _("Warning: %s, you must set rpcpassword=<password>\nin the configuration file: %s\n"
1788               "If the file does not exist, create it with owner-readable-only file permissions.\n"),
1789                 strWhatAmI.c_str(),
1790                 GetConfigFile().c_str());
1791         CreateThread(Shutdown, NULL);
1792         return;
1793     }
1794
1795     bool fUseSSL = GetBoolArg("-rpcssl");
1796     asio::ip::address bindAddress = mapArgs.count("-rpcallowip") ? asio::ip::address_v4::any() : asio::ip::address_v4::loopback();
1797
1798     asio::io_service io_service;
1799     ip::tcp::endpoint endpoint(bindAddress, GetArg("-rpcport", 8332));
1800     ip::tcp::acceptor acceptor(io_service, endpoint);
1801
1802     acceptor.set_option(boost::asio::ip::tcp::acceptor::reuse_address(true));
1803
1804 #ifdef USE_SSL
1805     ssl::context context(io_service, ssl::context::sslv23);
1806     if (fUseSSL)
1807     {
1808         context.set_options(ssl::context::no_sslv2);
1809         filesystem::path certfile = GetArg("-rpcsslcertificatechainfile", "server.cert");
1810         if (!certfile.is_complete()) certfile = filesystem::path(GetDataDir()) / certfile;
1811         if (filesystem::exists(certfile)) context.use_certificate_chain_file(certfile.string().c_str());
1812         else printf("ThreadRPCServer ERROR: missing server certificate file %s\n", certfile.string().c_str());
1813         filesystem::path pkfile = GetArg("-rpcsslprivatekeyfile", "server.pem");
1814         if (!pkfile.is_complete()) pkfile = filesystem::path(GetDataDir()) / pkfile;
1815         if (filesystem::exists(pkfile)) context.use_private_key_file(pkfile.string().c_str(), ssl::context::pem);
1816         else printf("ThreadRPCServer ERROR: missing server private key file %s\n", pkfile.string().c_str());
1817
1818         string ciphers = GetArg("-rpcsslciphers",
1819                                          "TLSv1+HIGH:!SSLv2:!aNULL:!eNULL:!AH:!3DES:@STRENGTH");
1820         SSL_CTX_set_cipher_list(context.impl(), ciphers.c_str());
1821     }
1822 #else
1823     if (fUseSSL)
1824         throw runtime_error("-rpcssl=1, but bitcoin compiled without full openssl libraries.");
1825 #endif
1826
1827     loop
1828     {
1829         // Accept connection
1830 #ifdef USE_SSL
1831         SSLStream sslStream(io_service, context);
1832         SSLIOStreamDevice d(sslStream, fUseSSL);
1833         iostreams::stream<SSLIOStreamDevice> stream(d);
1834 #else
1835         ip::tcp::iostream stream;
1836 #endif
1837
1838         ip::tcp::endpoint peer;
1839         vnThreadsRunning[4]--;
1840 #ifdef USE_SSL
1841         acceptor.accept(sslStream.lowest_layer(), peer);
1842 #else
1843         acceptor.accept(*stream.rdbuf(), peer);
1844 #endif
1845         vnThreadsRunning[4]++;
1846         if (fShutdown)
1847             return;
1848
1849         // Restrict callers by IP
1850         if (!ClientAllowed(peer.address().to_string()))
1851             continue;
1852
1853         map<string, string> mapHeaders;
1854         string strRequest;
1855
1856         boost::thread api_caller(ReadHTTP, boost::ref(stream), boost::ref(mapHeaders), boost::ref(strRequest));
1857         if (!api_caller.timed_join(boost::posix_time::seconds(GetArg("-rpctimeout", 30))))
1858         {   // Timed out:
1859             acceptor.cancel();
1860             printf("ThreadRPCServer ReadHTTP timeout\n");
1861             continue;
1862         }
1863
1864         // Check authorization
1865         if (mapHeaders.count("authorization") == 0)
1866         {
1867             stream << HTTPReply(401, "") << std::flush;
1868             continue;
1869         }
1870         if (!HTTPAuthorized(mapHeaders))
1871         {
1872             // Deter brute-forcing short passwords
1873             if (mapArgs["-rpcpassword"].size() < 15)
1874                 Sleep(50);
1875
1876             stream << HTTPReply(401, "") << std::flush;
1877             printf("ThreadRPCServer incorrect password attempt\n");
1878             continue;
1879         }
1880
1881         Value id = Value::null;
1882         try
1883         {
1884             // Parse request
1885             Value valRequest;
1886             if (!read_string(strRequest, valRequest) || valRequest.type() != obj_type)
1887                 throw JSONRPCError(-32700, "Parse error");
1888             const Object& request = valRequest.get_obj();
1889
1890             // Parse id now so errors from here on will have the id
1891             id = find_value(request, "id");
1892
1893             // Parse method
1894             Value valMethod = find_value(request, "method");
1895             if (valMethod.type() == null_type)
1896                 throw JSONRPCError(-32600, "Missing method");
1897             if (valMethod.type() != str_type)
1898                 throw JSONRPCError(-32600, "Method must be a string");
1899             string strMethod = valMethod.get_str();
1900             if (strMethod != "getwork")
1901                 printf("ThreadRPCServer method=%s\n", strMethod.c_str());
1902
1903             // Parse params
1904             Value valParams = find_value(request, "params");
1905             Array params;
1906             if (valParams.type() == array_type)
1907                 params = valParams.get_array();
1908             else if (valParams.type() == null_type)
1909                 params = Array();
1910             else
1911                 throw JSONRPCError(-32600, "Params must be an array");
1912
1913             // Find method
1914             map<string, rpcfn_type>::iterator mi = mapCallTable.find(strMethod);
1915             if (mi == mapCallTable.end())
1916                 throw JSONRPCError(-32601, "Method not found");
1917
1918             // Observe safe mode
1919             string strWarning = GetWarnings("rpc");
1920             if (strWarning != "" && !GetBoolArg("-disablesafemode") && !setAllowInSafeMode.count(strMethod))
1921                 throw JSONRPCError(-2, string("Safe mode: ") + strWarning);
1922
1923             try
1924             {
1925                 // Execute
1926                 Value result = (*(*mi).second)(params, false);
1927
1928                 // Send reply
1929                 string strReply = JSONRPCReply(result, Value::null, id);
1930                 stream << HTTPReply(200, strReply) << std::flush;
1931             }
1932             catch (std::exception& e)
1933             {
1934                 ErrorReply(stream, JSONRPCError(-1, e.what()), id);
1935             }
1936         }
1937         catch (Object& objError)
1938         {
1939             ErrorReply(stream, objError, id);
1940         }
1941         catch (std::exception& e)
1942         {
1943             ErrorReply(stream, JSONRPCError(-32700, e.what()), id);
1944         }
1945     }
1946 }
1947
1948
1949
1950
1951 Object CallRPC(const string& strMethod, const Array& params)
1952 {
1953     if (mapArgs["-rpcuser"] == "" && mapArgs["-rpcpassword"] == "")
1954         throw runtime_error(strprintf(
1955             _("You must set rpcpassword=<password> in the configuration file:\n%s\n"
1956               "If the file does not exist, create it with owner-readable-only file permissions."),
1957                 GetConfigFile().c_str()));
1958
1959     // Connect to localhost
1960     bool fUseSSL = GetBoolArg("-rpcssl");
1961 #ifdef USE_SSL
1962     asio::io_service io_service;
1963     ssl::context context(io_service, ssl::context::sslv23);
1964     context.set_options(ssl::context::no_sslv2);
1965     SSLStream sslStream(io_service, context);
1966     SSLIOStreamDevice d(sslStream, fUseSSL);
1967     iostreams::stream<SSLIOStreamDevice> stream(d);
1968     if (!d.connect(GetArg("-rpcconnect", "127.0.0.1"), GetArg("-rpcport", "8332")))
1969         throw runtime_error("couldn't connect to server");
1970 #else
1971     if (fUseSSL)
1972         throw runtime_error("-rpcssl=1, but bitcoin compiled without full openssl libraries.");
1973
1974     ip::tcp::iostream stream(GetArg("-rpcconnect", "127.0.0.1"), GetArg("-rpcport", "8332"));
1975     if (stream.fail())
1976         throw runtime_error("couldn't connect to server");
1977 #endif
1978
1979
1980     // HTTP basic authentication
1981     string strUserPass64 = EncodeBase64(mapArgs["-rpcuser"] + ":" + mapArgs["-rpcpassword"]);
1982     map<string, string> mapRequestHeaders;
1983     mapRequestHeaders["Authorization"] = string("Basic ") + strUserPass64;
1984
1985     // Send request
1986     string strRequest = JSONRPCRequest(strMethod, params, 1);
1987     string strPost = HTTPPost(strRequest, mapRequestHeaders);
1988     stream << strPost << std::flush;
1989
1990     // Receive reply
1991     map<string, string> mapHeaders;
1992     string strReply;
1993     int nStatus = ReadHTTP(stream, mapHeaders, strReply);
1994     if (nStatus == 401)
1995         throw runtime_error("incorrect rpcuser or rpcpassword (authorization failed)");
1996     else if (nStatus >= 400 && nStatus != 400 && nStatus != 404 && nStatus != 500)
1997         throw runtime_error(strprintf("server returned HTTP error %d", nStatus));
1998     else if (strReply.empty())
1999         throw runtime_error("no response from server");
2000
2001     // Parse reply
2002     Value valReply;
2003     if (!read_string(strReply, valReply))
2004         throw runtime_error("couldn't parse reply from server");
2005     const Object& reply = valReply.get_obj();
2006     if (reply.empty())
2007         throw runtime_error("expected reply to have result, error and id properties");
2008
2009     return reply;
2010 }
2011
2012
2013
2014
2015 template<typename T>
2016 void ConvertTo(Value& value)
2017 {
2018     if (value.type() == str_type)
2019     {
2020         // reinterpret string as unquoted json value
2021         Value value2;
2022         if (!read_string(value.get_str(), value2))
2023             throw runtime_error("type mismatch");
2024         value = value2.get_value<T>();
2025     }
2026     else
2027     {
2028         value = value.get_value<T>();
2029     }
2030 }
2031
2032 int CommandLineRPC(int argc, char *argv[])
2033 {
2034     string strPrint;
2035     int nRet = 0;
2036     try
2037     {
2038         // Skip switches
2039         while (argc > 1 && IsSwitchChar(argv[1][0]))
2040         {
2041             argc--;
2042             argv++;
2043         }
2044
2045         // Method
2046         if (argc < 2)
2047             throw runtime_error("too few parameters");
2048         string strMethod = argv[1];
2049
2050         // Parameters default to strings
2051         Array params;
2052         for (int i = 2; i < argc; i++)
2053             params.push_back(argv[i]);
2054         int n = params.size();
2055
2056         //
2057         // Special case non-string parameter types
2058         //
2059         if (strMethod == "setgenerate"            && n > 0) ConvertTo<bool>(params[0]);
2060         if (strMethod == "setgenerate"            && n > 1) ConvertTo<boost::int64_t>(params[1]);
2061         if (strMethod == "sendtoaddress"          && n > 1) ConvertTo<double>(params[1]);
2062         if (strMethod == "getamountreceived"      && n > 1) ConvertTo<boost::int64_t>(params[1]); // deprecated
2063         if (strMethod == "getreceivedbyaddress"   && n > 1) ConvertTo<boost::int64_t>(params[1]);
2064         if (strMethod == "getreceivedbyaccount"   && n > 1) ConvertTo<boost::int64_t>(params[1]);
2065         if (strMethod == "getreceivedbylabel"     && n > 1) ConvertTo<boost::int64_t>(params[1]); // deprecated
2066         if (strMethod == "getallreceived"         && n > 0) ConvertTo<boost::int64_t>(params[0]); // deprecated
2067         if (strMethod == "getallreceived"         && n > 1) ConvertTo<bool>(params[1]);
2068         if (strMethod == "listreceivedbyaddress"  && n > 0) ConvertTo<boost::int64_t>(params[0]);
2069         if (strMethod == "listreceivedbyaddress"  && n > 1) ConvertTo<bool>(params[1]);
2070         if (strMethod == "listreceivedbyaccount"  && n > 0) ConvertTo<boost::int64_t>(params[0]);
2071         if (strMethod == "listreceivedbyaccount"  && n > 1) ConvertTo<bool>(params[1]);
2072         if (strMethod == "listreceivedbylabel"    && n > 0) ConvertTo<boost::int64_t>(params[0]); // deprecated
2073         if (strMethod == "listreceivedbylabel"    && n > 1) ConvertTo<bool>(params[1]); // deprecated
2074         if (strMethod == "getbalance"             && n > 1) ConvertTo<boost::int64_t>(params[1]);
2075         if (strMethod == "move"                   && n > 2) ConvertTo<double>(params[2]);
2076         if (strMethod == "move"                   && n > 3) ConvertTo<boost::int64_t>(params[3]);
2077         if (strMethod == "sendfrom"               && n > 2) ConvertTo<double>(params[2]);
2078         if (strMethod == "sendfrom"               && n > 3) ConvertTo<boost::int64_t>(params[3]);
2079         if (strMethod == "listtransactions"       && n > 1) ConvertTo<boost::int64_t>(params[1]);
2080         if (strMethod == "listtransactions"       && n > 2) ConvertTo<boost::int64_t>(params[2]);
2081         if (strMethod == "listaccounts"           && n > 0) ConvertTo<boost::int64_t>(params[0]);
2082         if (strMethod == "sendmany"               && n > 1)
2083         {
2084             string s = params[1].get_str();
2085             Value v;
2086             if (!read_string(s, v) || v.type() != obj_type)
2087                 throw runtime_error("type mismatch");
2088             params[1] = v.get_obj();
2089         }
2090         if (strMethod == "sendmany"                && n > 2) ConvertTo<boost::int64_t>(params[2]);
2091
2092         // Execute
2093         Object reply = CallRPC(strMethod, params);
2094
2095         // Parse reply
2096         const Value& result = find_value(reply, "result");
2097         const Value& error  = find_value(reply, "error");
2098         const Value& id     = find_value(reply, "id");
2099
2100         if (error.type() != null_type)
2101         {
2102             // Error
2103             strPrint = "error: " + write_string(error, false);
2104             int code = find_value(error.get_obj(), "code").get_int();
2105             nRet = abs(code);
2106         }
2107         else
2108         {
2109             // Result
2110             if (result.type() == null_type)
2111                 strPrint = "";
2112             else if (result.type() == str_type)
2113                 strPrint = result.get_str();
2114             else
2115                 strPrint = write_string(result, true);
2116         }
2117     }
2118     catch (std::exception& e)
2119     {
2120         strPrint = string("error: ") + e.what();
2121         nRet = 87;
2122     }
2123     catch (...)
2124     {
2125         PrintException(NULL, "CommandLineRPC()");
2126     }
2127
2128     if (strPrint != "")
2129     {
2130 #if defined(__WXMSW__) && defined(GUI)
2131         // Windows GUI apps can't print to command line,
2132         // so settle for a message box yuck
2133         MyMessageBox(strPrint, "Bitcoin", wxOK);
2134 #else
2135         fprintf((nRet == 0 ? stdout : stderr), "%s\n", strPrint.c_str());
2136 #endif
2137     }
2138     return nRet;
2139 }
2140
2141
2142
2143
2144 #ifdef TEST
2145 int main(int argc, char *argv[])
2146 {
2147 #ifdef _MSC_VER
2148     // Turn off microsoft heap dump noise
2149     _CrtSetReportMode(_CRT_WARN, _CRTDBG_MODE_FILE);
2150     _CrtSetReportFile(_CRT_WARN, CreateFile("NUL", GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, 0));
2151 #endif
2152     setbuf(stdin, NULL);
2153     setbuf(stdout, NULL);
2154     setbuf(stderr, NULL);
2155
2156     try
2157     {
2158         if (argc >= 2 && string(argv[1]) == "-server")
2159         {
2160             printf("server ready\n");
2161             ThreadRPCServer(NULL);
2162         }
2163         else
2164         {
2165             return CommandLineRPC(argc, argv);
2166         }
2167     }
2168     catch (std::exception& e) {
2169         PrintException(&e, "main()");
2170     } catch (...) {
2171         PrintException(NULL, "main()");
2172     }
2173     return 0;
2174 }
2175 #endif