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