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