rpc.cpp

   1 // Copyright (c) 2010 Satoshi Nakamoto
   2 // Distributed under the MIT/X11 software license, see the accompanying
   3 // file license.txt or http://www.opensource.org/licenses/mit-license.php.
   4
   5 #include "headers.h"
   6 #include "cryptopp/sha.h"
   7 #undef printf
   8 #include <boost/asio.hpp>
   9 #include <boost/iostreams/concepts.hpp>
  10 #include <boost/iostreams/stream.hpp>
  11 #ifdef USE_SSL
  12 #include <boost/asio/ssl.hpp>
  13 typedef boost::asio::ssl::stream<boost::asio::ip::tcp::socket> SSLStream;
  14 #endif
  15 #include "json/json_spirit_reader_template.h"
  16 #include "json/json_spirit_writer_template.h"
  17 #include "json/json_spirit_utils.h"
  18 #define printf OutputDebugStringF
  19 // MinGW 3.4.5 gets "fatal error: had to relocate PCH" if the json headers are
  20 // precompiled in headers.h.  The problem might be when the pch file goes over
  21 // a certain size around 145MB.  If we need access to json_spirit outside this
  22 // file, we could use the compiled json_spirit option.
  23
  24 using namespace boost::asio;
  25 using namespace json_spirit;
  26
  27 void ThreadRPCServer2(void* parg);
  28 typedef Value(*rpcfn_type)(const Array& params, bool fHelp);
  29 extern map<string, rpcfn_type> mapCallTable;
  30
  31
  32 Object JSONRPCError(int code, const string& message)
  33 {
  34     Object error;
  35     error.push_back(Pair("code", code));
  36     error.push_back(Pair("message", message));
  37     return error;
  38 }
  39
  40
  41 void PrintConsole(const char* format, ...)
  42 {
  43     char buffer[50000];
  44     int limit = sizeof(buffer);
  45     va_list arg_ptr;
  46     va_start(arg_ptr, format);
  47     int ret = _vsnprintf(buffer, limit, format, arg_ptr);
  48     va_end(arg_ptr);
  49     if (ret < 0 || ret >= limit)
  50     {
  51         ret = limit - 1;
  52         buffer[limit-1] = 0;
  53     }
  54     printf("%s", buffer);
  55 #if defined(__WXMSW__) && defined(GUI)
  56     MyMessageBox(buffer, "Bitcoin", wxOK | wxICON_EXCLAMATION);
  57 #else
  58     fprintf(stdout, "%s", buffer);
  59 #endif
  60 }
  61
  62
  63 int64 AmountFromValue(const Value& value)
  64 {
  65     double dAmount = value.get_real();
  66     if (dAmount <= 0.0 || dAmount > 21000000.0)
  67         throw JSONRPCError(-3, "Invalid amount");
  68     int64 nAmount = roundint64(dAmount * COIN);
  69     if (!MoneyRange(nAmount))
  70         throw JSONRPCError(-3, "Invalid amount");
  71     return nAmount;
  72 }
  73
  74 Value ValueFromAmount(int64 amount)
  75 {
  76     return (double)amount / (double)COIN;
  77 }
  78
  79 void WalletTxToJSON(const CWalletTx& wtx, Object& entry)
  80 {
  81     entry.push_back(Pair("confirmations", wtx.GetDepthInMainChain()));
  82     entry.push_back(Pair("txid", wtx.GetHash().GetHex()));
  83     entry.push_back(Pair("time", (boost::int64_t)wtx.GetTxTime()));
  84     foreach(const PAIRTYPE(string,string)& item, wtx.mapValue)
  85         entry.push_back(Pair(item.first, item.second));
  86 }
  87
  88 string AccountFromValue(const Value& value)
  89 {
  90     string strAccount = value.get_str();
  91     if (strAccount == "*")
  92         throw JSONRPCError(-11, "Invalid account name");
  93     return strAccount;
  94 }
  95
  96
  97
  98 ///
  99 /// Note: This interface may still be subject to change.
 100 ///
 101
 102
 103 Value help(const Array& params, bool fHelp)
 104 {
 105     if (fHelp || params.size() > 1)
 106         throw runtime_error(
 107             "help [command]\n"
 108             "List commands, or get help for a command.");
 109
 110     string strCommand;
 111     if (params.size() > 0)
 112         strCommand = params[0].get_str();
 113
 114     string strRet;
 115     set<rpcfn_type> setDone;
 116     for (map<string, rpcfn_type>::iterator mi = mapCallTable.begin(); mi != mapCallTable.end(); ++mi)
 117     {
 118         string strMethod = (*mi).first;
 119         // We already filter duplicates, but these deprecated screw up the sort order
 120         if (strMethod == "getamountreceived" ||
 121             strMethod == "getallreceived" ||
 122             (strMethod.find("label") != string::npos))
 123             continue;
 124         if (strCommand != "" && strMethod != strCommand)
 125             continue;
 126         try
 127         {
 128             Array params;
 129             rpcfn_type pfn = (*mi).second;
 130             if (setDone.insert(pfn).second)
 131                 (*pfn)(params, true);
 132         }
 133         catch (std::exception& e)
 134         {
 135             // Help text is returned in an exception
 136             string strHelp = string(e.what());
 137             if (strCommand == "")
 138                 if (strHelp.find('\n') != -1)
 139                     strHelp = strHelp.substr(0, strHelp.find('\n'));
 140             strRet += strHelp + "\n";
 141         }
 142     }
 143     if (strRet == "")
 144         strRet = strprintf("help: unknown command: %s\n", strCommand.c_str());
 145     strRet = strRet.substr(0,strRet.size()-1);
 146     return strRet;
 147 }
 148
 149
 150 Value stop(const Array& params, bool fHelp)
 151 {
 152     if (fHelp || params.size() != 0)
 153         throw runtime_error(
 154             "stop\n"
 155             "Stop bitcoin server.");
 156
 157     // Shutdown will take long enough that the response should get back
 158     CreateThread(Shutdown, NULL);
 159     return "bitcoin server stopping";
 160 }
 161
 162
 163 Value getblockcount(const Array& params, bool fHelp)
 164 {
 165     if (fHelp || params.size() != 0)
 166         throw runtime_error(
 167             "getblockcount\n"
 168             "Returns the number of blocks in the longest block chain.");
 169
 170     return nBestHeight;
 171 }
 172
 173
 174 Value getblocknumber(const Array& params, bool fHelp)
 175 {
 176     if (fHelp || params.size() != 0)
 177         throw runtime_error(
 178             "getblocknumber\n"
 179             "Returns the block number of the latest block in the longest block chain.");
 180
 181     return nBestHeight;
 182 }
 183
 184
 185 Value getconnectioncount(const Array& params, bool fHelp)
 186 {
 187     if (fHelp || params.size() != 0)
 188         throw runtime_error(
 189             "getconnectioncount\n"
 190             "Returns the number of connections to other nodes.");
 191
 192     return (int)vNodes.size();
 193 }
 194
 195
 196 double GetDifficulty()
 197 {
 198     // Floating point number that is a multiple of the minimum difficulty,
 199     // minimum difficulty = 1.0.
 200     if (pindexBest == NULL)
 201         return 1.0;
 202     int nShift = 256 - 32 - 31; // to fit in a uint
 203     double dMinimum = (CBigNum().SetCompact(bnProofOfWorkLimit.GetCompact()) >> nShift).getuint();
 204     double dCurrently = (CBigNum().SetCompact(pindexBest->nBits) >> nShift).getuint();
 205     return dMinimum / dCurrently;
 206 }
 207
 208 Value getdifficulty(const Array& params, bool fHelp)
 209 {
 210     if (fHelp || params.size() != 0)
 211         throw runtime_error(
 212             "getdifficulty\n"
 213             "Returns the proof-of-work difficulty as a multiple of the minimum difficulty.");
 214
 215     return GetDifficulty();
 216 }
 217
 218
 219 Value getgenerate(const Array& params, bool fHelp)
 220 {
 221     if (fHelp || params.size() != 0)
 222         throw runtime_error(
 223             "getgenerate\n"
 224             "Returns true or false.");
 225
 226     return (bool)fGenerateBitcoins;
 227 }
 228
 229
 230 Value setgenerate(const Array& params, bool fHelp)
 231 {
 232     if (fHelp || params.size() < 1 || params.size() > 2)
 233         throw runtime_error(
 234             "setgenerate <generate> [genproclimit]\n"
 235             "<generate> is true or false to turn generation on or off.\n"
 236             "Generation is limited to [genproclimit] processors, -1 is unlimited.");
 237
 238     bool fGenerate = true;
 239     if (params.size() > 0)
 240         fGenerate = params[0].get_bool();
 241
 242     if (params.size() > 1)
 243     {
 244         int nGenProcLimit = params[1].get_int();
 245         fLimitProcessors = (nGenProcLimit != -1);
 246         CWalletDB().WriteSetting("fLimitProcessors", fLimitProcessors);
 247         if (nGenProcLimit != -1)
 248             CWalletDB().WriteSetting("nLimitProcessors", nLimitProcessors = nGenProcLimit);
 249         if (nGenProcLimit == 0)
 250             fGenerate = false;
 251     }
 252
 253     GenerateBitcoins(fGenerate);
 254     return Value::null;
 255 }
 256
 257
 258 Value gethashespersec(const Array& params, bool fHelp)
 259 {
 260     if (fHelp || params.size() != 0)
 261         throw runtime_error(
 262             "gethashespersec\n"
 263             "Returns a recent hashes per second performance measurement while generating.");
 264
 265     if (GetTimeMillis() - nHPSTimerStart > 8000)
 266         return (boost::int64_t)0;
 267     return (boost::int64_t)dHashesPerSec;
 268 }
 269
 270
 271 Value getinfo(const Array& params, bool fHelp)
 272 {
 273     if (fHelp || params.size() != 0)
 274         throw runtime_error(
 275             "getinfo\n"
 276             "Returns an object containing various state info.");
 277
 278     Object obj;
 279     obj.push_back(Pair("version",       (int)VERSION));
 280     obj.push_back(Pair("balance",       ValueFromAmount(GetBalance())));
 281     obj.push_back(Pair("blocks",        (int)nBestHeight));
 282     obj.push_back(Pair("connections",   (int)vNodes.size()));
 283     obj.push_back(Pair("proxy",         (fUseProxy ? addrProxy.ToStringIPPort() : string())));
 284     obj.push_back(Pair("generate",      (bool)fGenerateBitcoins));
 285     obj.push_back(Pair("genproclimit",  (int)(fLimitProcessors ? nLimitProcessors : -1)));
 286     obj.push_back(Pair("difficulty",    (double)GetDifficulty()));
 287     obj.push_back(Pair("hashespersec",  gethashespersec(params, false)));
 288     obj.push_back(Pair("testnet",       fTestNet));
 289     obj.push_back(Pair("keypoololdest", (boost::int64_t)GetOldestKeyPoolTime()));
 290     obj.push_back(Pair("paytxfee",      ValueFromAmount(nTransactionFee)));
 291     obj.push_back(Pair("errors",        GetWarnings("statusbar")));
 292     return obj;
 293 }
 294
 295
 296 Value getnewaddress(const Array& params, bool fHelp)
 297 {
 298     if (fHelp || params.size() > 1)
 299         throw runtime_error(
 300             "getnewaddress [account]\n"
 301             "Returns a new bitcoin address for receiving payments.  "
 302             "If [account] is specified (recommended), it is added to the address book "
 303             "so payments received with the address will be credited to [account].");
 304
 305     // Parse the account first so we don't generate a key if there's an error
 306     string strAccount;
 307     if (params.size() > 0)
 308         strAccount = AccountFromValue(params[0]);
 309
 310     // Generate a new key that is added to wallet
 311     string strAddress = PubKeyToAddress(GetKeyFromKeyPool());
 312
 313     SetAddressBookName(strAddress, strAccount);
 314     return strAddress;
 315 }
 316
 317
 318 // requires cs_main, cs_mapWallet locks
 319 string GetAccountAddress(string strAccount, bool bForceNew=false)
 320 {
 321     string strAddress;
 322
 323     CWalletDB walletdb;
 324     walletdb.TxnBegin();
 325
 326     CAccount account;
 327     walletdb.ReadAccount(strAccount, account);
 328
 329     // Check if the current key has been used
 330     if (!account.vchPubKey.empty())
 331     {
 332         CScript scriptPubKey;
 333         scriptPubKey.SetBitcoinAddress(account.vchPubKey);
 334         for (map<uint256, CWalletTx>::iterator it = mapWallet.begin();
 335              it != mapWallet.end() && !account.vchPubKey.empty();
 336              ++it)
 337         {
 338             const CWalletTx& wtx = (*it).second;
 339             foreach(const CTxOut& txout, wtx.vout)
 340                 if (txout.scriptPubKey == scriptPubKey)
 341                     account.vchPubKey.clear();
 342         }
 343     }
 344
 345     // Generate a new key
 346     if (account.vchPubKey.empty() || bForceNew)
 347     {
 348         account.vchPubKey = GetKeyFromKeyPool();
 349         string strAddress = PubKeyToAddress(account.vchPubKey);
 350         SetAddressBookName(strAddress, strAccount);
 351         walletdb.WriteAccount(strAccount, account);
 352     }
 353
 354     walletdb.TxnCommit();
 355     strAddress = PubKeyToAddress(account.vchPubKey);
 356
 357     return strAddress;
 358 }
 359
 360 Value getaccountaddress(const Array& params, bool fHelp)
 361 {
 362     if (fHelp || params.size() != 1)
 363         throw runtime_error(
 364             "getaccountaddress <account>\n"
 365             "Returns the current bitcoin address for receiving payments to this account.");
 366
 367     // Parse the account first so we don't generate a key if there's an error
 368     string strAccount = AccountFromValue(params[0]);
 369
 370     Value ret;
 371
 372     CRITICAL_BLOCK(cs_main)
 373     CRITICAL_BLOCK(cs_mapWallet)
 374     {
 375         ret = GetAccountAddress(strAccount);
 376     }
 377
 378     return ret;
 379 }
 380
 381
 382
 383 Value setaccount(const Array& params, bool fHelp)
 384 {
 385     if (fHelp || params.size() < 1 || params.size() > 2)
 386         throw runtime_error(
 387             "setaccount <bitcoinaddress> <account>\n"
 388             "Sets the account associated with the given address.");
 389
 390     string strAddress = params[0].get_str();
 391     uint160 hash160;
 392     bool isValid = AddressToHash160(strAddress, hash160);
 393     if (!isValid)
 394         throw JSONRPCError(-5, "Invalid bitcoin address");
 395
 396
 397     string strAccount;
 398     if (params.size() > 1)
 399         strAccount = AccountFromValue(params[1]);
 400
 401     // Detect when changing the account of an address that is the 'unused current key' of another account:
 402     CRITICAL_BLOCK(cs_main)
 403     CRITICAL_BLOCK(cs_mapWallet)
 404     CRITICAL_BLOCK(cs_mapAddressBook)
 405     {
 406         if (mapAddressBook.count(strAddress))
 407         {
 408             string strOldAccount = mapAddressBook[strAddress];
 409             if (strAddress == GetAccountAddress(strOldAccount))
 410                 GetAccountAddress(strOldAccount, true);
 411         }
 412     }
 413
 414     SetAddressBookName(strAddress, strAccount);
 415     return Value::null;
 416 }
 417
 418
 419 Value getaccount(const Array& params, bool fHelp)
 420 {
 421     if (fHelp || params.size() != 1)
 422         throw runtime_error(
 423             "getaccount <bitcoinaddress>\n"
 424             "Returns the account associated with the given address.");
 425
 426     string strAddress = params[0].get_str();
 427
 428     string strAccount;
 429     CRITICAL_BLOCK(cs_mapAddressBook)
 430     {
 431         map<string, string>::iterator mi = mapAddressBook.find(strAddress);
 432         if (mi != mapAddressBook.end() && !(*mi).second.empty())
 433             strAccount = (*mi).second;
 434     }
 435     return strAccount;
 436 }
 437
 438
 439 Value getaddressesbyaccount(const Array& params, bool fHelp)
 440 {
 441     if (fHelp || params.size() != 1)
 442         throw runtime_error(
 443             "getaddressesbyaccount <account>\n"
 444             "Returns the list of addresses for the given account.");
 445
 446     string strAccount = AccountFromValue(params[0]);
 447
 448     // Find all addresses that have the given account
 449     Array ret;
 450     CRITICAL_BLOCK(cs_mapAddressBook)
 451     {
 452         foreach(const PAIRTYPE(string, string)& item, mapAddressBook)
 453         {
 454             const string& strAddress = item.first;
 455             const string& strName = item.second;
 456             if (strName == strAccount)
 457             {
 458                 // We're only adding valid bitcoin addresses and not ip addresses
 459                 CScript scriptPubKey;
 460                 if (scriptPubKey.SetBitcoinAddress(strAddress))
 461                     ret.push_back(strAddress);
 462             }
 463         }
 464     }
 465     return ret;
 466 }
 467
 468 Value sendtoaddress(const Array& params, bool fHelp)
 469 {
 470     if (fHelp || params.size() < 2 || params.size() > 4)
 471         throw runtime_error(
 472             "sendtoaddress <bitcoinaddress> <amount> [comment] [comment-to]\n"
 473             "<amount> is a real and is rounded to the nearest 0.01");
 474
 475     string strAddress = params[0].get_str();
 476
 477     // Amount
 478     int64 nAmount = AmountFromValue(params[1]);
 479
 480     // Wallet comments
 481     CWalletTx wtx;
 482     if (params.size() > 2 && params[2].type() != null_type && !params[2].get_str().empty())
 483         wtx.mapValue["comment"] = params[2].get_str();
 484     if (params.size() > 3 && params[3].type() != null_type && !params[3].get_str().empty())
 485         wtx.mapValue["to"]      = params[3].get_str();
 486
 487     CRITICAL_BLOCK(cs_main)
 488     {
 489         string strError = SendMoneyToBitcoinAddress(strAddress, nAmount, wtx);
 490         if (strError != "")
 491             throw JSONRPCError(-4, strError);
 492     }
 493
 494     return wtx.GetHash().GetHex();
 495 }
 496
 497
 498 Value getreceivedbyaddress(const Array& params, bool fHelp)
 499 {
 500     if (fHelp || params.size() < 1 || params.size() > 2)
 501         throw runtime_error(
 502             "getreceivedbyaddress <bitcoinaddress> [minconf=1]\n"
 503             "Returns the total amount received by <bitcoinaddress> in transactions with at least [minconf] confirmations.");
 504
 505     // Bitcoin address
 506     string strAddress = params[0].get_str();
 507     CScript scriptPubKey;
 508     if (!scriptPubKey.SetBitcoinAddress(strAddress))
 509         throw JSONRPCError(-5, "Invalid bitcoin address");
 510     if (!IsMine(scriptPubKey))
 511         return (double)0.0;
 512
 513     // Minimum confirmations
 514     int nMinDepth = 1;
 515     if (params.size() > 1)
 516         nMinDepth = params[1].get_int();
 517
 518     // Tally
 519     int64 nAmount = 0;
 520     CRITICAL_BLOCK(cs_mapWallet)
 521     {
 522         for (map<uint256, CWalletTx>::iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
 523         {
 524             const CWalletTx& wtx = (*it).second;
 525             if (wtx.IsCoinBase() || !wtx.IsFinal())
 526                 continue;
 527
 528             foreach(const CTxOut& txout, wtx.vout)
 529                 if (txout.scriptPubKey == scriptPubKey)
 530                     if (wtx.GetDepthInMainChain() >= nMinDepth)
 531                         nAmount += txout.nValue;
 532         }
 533     }
 534
 535     return  ValueFromAmount(nAmount);
 536 }
 537
 538
 539 void GetAccountPubKeys(string strAccount, set<CScript>& setPubKey)
 540 {
 541     CRITICAL_BLOCK(cs_mapAddressBook)
 542     {
 543         foreach(const PAIRTYPE(string, string)& item, mapAddressBook)
 544         {
 545             const string& strAddress = item.first;
 546             const string& strName = item.second;
 547             if (strName == strAccount)
 548             {
 549                 // We're only counting our own valid bitcoin addresses and not ip addresses
 550                 CScript scriptPubKey;
 551                 if (scriptPubKey.SetBitcoinAddress(strAddress))
 552                     if (IsMine(scriptPubKey))
 553                         setPubKey.insert(scriptPubKey);
 554             }
 555         }
 556     }
 557 }
 558
 559
 560 Value getreceivedbyaccount(const Array& params, bool fHelp)
 561 {
 562     if (fHelp || params.size() < 1 || params.size() > 2)
 563         throw runtime_error(
 564             "getreceivedbyaccount <account> [minconf=1]\n"
 565             "Returns the total amount received by addresses with <account> in transactions with at least [minconf] confirmations.");
 566
 567     // Minimum confirmations
 568     int nMinDepth = 1;
 569     if (params.size() > 1)
 570         nMinDepth = params[1].get_int();
 571
 572     // Get the set of pub keys that have the label
 573     string strAccount = AccountFromValue(params[0]);
 574     set<CScript> setPubKey;
 575     GetAccountPubKeys(strAccount, setPubKey);
 576
 577     // Tally
 578     int64 nAmount = 0;
 579     CRITICAL_BLOCK(cs_mapWallet)
 580     {
 581         for (map<uint256, CWalletTx>::iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
 582         {
 583             const CWalletTx& wtx = (*it).second;
 584             if (wtx.IsCoinBase() || !wtx.IsFinal())
 585                 continue;
 586
 587             foreach(const CTxOut& txout, wtx.vout)
 588                 if (setPubKey.count(txout.scriptPubKey))
 589                     if (wtx.GetDepthInMainChain() >= nMinDepth)
 590                         nAmount += txout.nValue;
 591         }
 592     }
 593
 594     return (double)nAmount / (double)COIN;
 595 }
 596
 597
 598 int64 GetAccountBalance(CWalletDB& walletdb, const string& strAccount, int nMinDepth)
 599 {
 600     int64 nBalance = 0;
 601     CRITICAL_BLOCK(cs_mapWallet)
 602     {
 603         // Tally wallet transactions
 604         for (map<uint256, CWalletTx>::iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
 605         {
 606             const CWalletTx& wtx = (*it).second;
 607             if (!wtx.IsFinal())
 608                 continue;
 609
 610             int64 nGenerated, nReceived, nSent, nFee;
 611             wtx.GetAccountAmounts(strAccount, nGenerated, nReceived, nSent, nFee);
 612
 613             if (nReceived != 0 && wtx.GetDepthInMainChain() >= nMinDepth)
 614                 nBalance += nReceived;
 615             nBalance += nGenerated - nSent - nFee;
 616         }
 617
 618         // Tally internal accounting entries
 619         nBalance += walletdb.GetAccountCreditDebit(strAccount);
 620     }
 621
 622     return nBalance;
 623 }
 624
 625 int64 GetAccountBalance(const string& strAccount, int nMinDepth)
 626 {
 627     CWalletDB walletdb;
 628     return GetAccountBalance(walletdb, strAccount, nMinDepth);
 629 }
 630
 631
 632 Value getbalance(const Array& params, bool fHelp)
 633 {
 634     if (fHelp || params.size() < 0 || params.size() > 2)
 635         throw runtime_error(
 636             "getbalance [account] [minconf=1]\n"
 637             "If [account] is not specified, returns the server's total available balance.\n"
 638             "If [account] is specified, returns the balance in the account.");
 639
 640     if (params.size() == 0)
 641         return  ValueFromAmount(GetBalance());
 642
 643     if (params[0].get_str() == "*") {
 644         // Calculate total balance a different way from GetBalance()
 645         // (GetBalance() sums up all unspent TxOuts)
 646         // getbalance and getbalance '*' should always return the same number.
 647         int64 nBalance = 0;
 648         vector<string> vAccounts;
 649         for (map<uint256, CWalletTx>::iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
 650         {
 651             const CWalletTx& wtx = (*it).second;
 652             int64 allGeneratedImmature, allGeneratedMature, allFee;
 653             allGeneratedImmature = allGeneratedMature = allFee = 0;
 654             string strSentAccount;
 655             list<pair<string, int64> > listReceived;
 656             list<pair<string, int64> > listSent;
 657             wtx.GetAmounts(allGeneratedImmature, allGeneratedMature, listReceived, listSent, allFee, strSentAccount);
 658             foreach(const PAIRTYPE(string,int64)& r, listReceived)
 659             {
 660                 nBalance += r.second;
 661                 if (!count(vAccounts.begin(), vAccounts.end(), r.first))
 662                     vAccounts.push_back(r.first);
 663             }
 664             foreach(const PAIRTYPE(string,int64)& r, listSent)
 665                 nBalance -= r.second;
 666             nBalance -= allFee;
 667             nBalance += allGeneratedMature;
 668         }
 669         printf("Found %d accounts\n", vAccounts.size());
 670         return  ValueFromAmount(nBalance);
 671     }
 672
 673     string strAccount = AccountFromValue(params[0]);
 674     int nMinDepth = 1;
 675     if (params.size() > 1)
 676         nMinDepth = params[1].get_int();
 677
 678     int64 nBalance = GetAccountBalance(strAccount, nMinDepth);
 679
 680     return ValueFromAmount(nBalance);
 681 }
 682
 683
 684 Value movecmd(const Array& params, bool fHelp)
 685 {
 686     if (fHelp || params.size() < 3 || params.size() > 5)
 687         throw runtime_error(
 688             "move <fromaccount> <toaccount> <amount> [minconf=1] [comment]\n"
 689             "Move from one account in your wallet to another.");
 690
 691     string strFrom = AccountFromValue(params[0]);
 692     string strTo = AccountFromValue(params[1]);
 693     int64 nAmount = AmountFromValue(params[2]);
 694     int nMinDepth = 1;
 695     if (params.size() > 3)
 696         nMinDepth = params[3].get_int();
 697     string strComment;
 698     if (params.size() > 4)
 699         strComment = params[4].get_str();
 700
 701     CRITICAL_BLOCK(cs_mapWallet)
 702     {
 703         CWalletDB walletdb;
 704         walletdb.TxnBegin();
 705
 706         // Check funds
 707         if (!strFrom.empty())
 708         {
 709             int64 nBalance = GetAccountBalance(walletdb, strFrom, nMinDepth);
 710             if (nAmount > nBalance)
 711                 throw JSONRPCError(-6, "Account has insufficient funds");
 712         }
 713         else
 714         {
 715             // move from "" account special case
 716             int64 nBalance = GetAccountBalance(walletdb, strTo, nMinDepth);
 717             if (nAmount > GetBalance() - nBalance)
 718                 throw JSONRPCError(-6, "Account has insufficient funds");
 719         }
 720
 721         int64 nNow = GetAdjustedTime();
 722
 723         // Debit
 724         CAccountingEntry debit;
 725         debit.strAccount = strFrom;
 726         debit.nCreditDebit = -nAmount;
 727         debit.nTime = nNow;
 728         debit.strOtherAccount = strTo;
 729         debit.strComment = strComment;
 730         walletdb.WriteAccountingEntry(debit);
 731
 732         // Credit
 733         CAccountingEntry credit;
 734         credit.strAccount = strTo;
 735         credit.nCreditDebit = nAmount;
 736         credit.nTime = nNow;
 737         credit.strOtherAccount = strFrom;
 738         credit.strComment = strComment;
 739         walletdb.WriteAccountingEntry(credit);
 740
 741         walletdb.TxnCommit();
 742     }
 743     return true;
 744 }
 745
 746
 747 Value sendfrom(const Array& params, bool fHelp)
 748 {
 749     if (fHelp || params.size() < 3 || params.size() > 6)
 750         throw runtime_error(
 751             "sendfrom <fromaccount> <tobitcoinaddress> <amount> [minconf=1] [comment] [comment-to]\n"
 752             "<amount> is a real and is rounded to the nearest 0.01");
 753
 754     string strAccount = AccountFromValue(params[0]);
 755     string strAddress = params[1].get_str();
 756     int64 nAmount = AmountFromValue(params[2]);
 757     int nMinDepth = 1;
 758     if (params.size() > 3)
 759         nMinDepth = params[3].get_int();
 760
 761     CWalletTx wtx;
 762     wtx.strFromAccount = strAccount;
 763     if (params.size() > 4 && params[4].type() != null_type && !params[4].get_str().empty())
 764         wtx.mapValue["comment"] = params[4].get_str();
 765     if (params.size() > 5 && params[5].type() != null_type && !params[5].get_str().empty())
 766         wtx.mapValue["to"]      = params[5].get_str();
 767
 768     CRITICAL_BLOCK(cs_main)
 769     CRITICAL_BLOCK(cs_mapWallet)
 770     {
 771         // Check funds
 772         int64 nBalance = GetAccountBalance(strAccount, nMinDepth);
 773         if (nAmount > nBalance)
 774             throw JSONRPCError(-6, "Account has insufficient funds");
 775
 776         // Send
 777         string strError = SendMoneyToBitcoinAddress(strAddress, nAmount, wtx);
 778         if (strError != "")
 779             throw JSONRPCError(-4, strError);
 780     }
 781
 782     return wtx.GetHash().GetHex();
 783 }
 784
 785 Value sendmany(const Array& params, bool fHelp)
 786 {
 787     if (fHelp || params.size() < 2 || params.size() > 4)
 788         throw runtime_error(
 789             "sendmany <fromaccount> {address:amount,...} [minconf=1] [comment]\n"
 790             "amounts are double-precision floating point numbers");
 791
 792     string strAccount = AccountFromValue(params[0]);
 793     Object sendTo = params[1].get_obj();
 794     int nMinDepth = 1;
 795     if (params.size() > 2)
 796         nMinDepth = params[2].get_int();
 797
 798     CWalletTx wtx;
 799     wtx.strFromAccount = strAccount;
 800     if (params.size() > 3 && params[3].type() != null_type && !params[3].get_str().empty())
 801         wtx.mapValue["comment"] = params[3].get_str();
 802
 803     set<string> setAddress;
 804     vector<pair<CScript, int64> > vecSend;
 805
 806     int64 totalAmount = 0;
 807     foreach(const Pair& s, sendTo)
 808     {
 809         uint160 hash160;
 810         string strAddress = s.name_;
 811
 812         if (setAddress.count(strAddress))
 813             throw JSONRPCError(-8, string("Invalid parameter, duplicated address: ")+strAddress);
 814         setAddress.insert(strAddress);
 815
 816         CScript scriptPubKey;
 817         if (!scriptPubKey.SetBitcoinAddress(strAddress))
 818             throw JSONRPCError(-5, string("Invalid bitcoin address:")+strAddress);
 819         int64 nAmount = AmountFromValue(s.value_);
 820         totalAmount += nAmount;
 821
 822         vecSend.push_back(make_pair(scriptPubKey, nAmount));
 823     }
 824
 825     CRITICAL_BLOCK(cs_main)
 826     CRITICAL_BLOCK(cs_mapWallet)
 827     {
 828         // Check funds
 829         int64 nBalance = GetAccountBalance(strAccount, nMinDepth);
 830         if (totalAmount > nBalance)
 831             throw JSONRPCError(-6, "Account has insufficient funds");
 832
 833         // Send
 834         CReserveKey keyChange;
 835         int64 nFeeRequired = 0;
 836         bool fCreated = CreateTransaction(vecSend, wtx, keyChange, nFeeRequired);
 837         if (!fCreated)
 838         {
 839             if (totalAmount + nFeeRequired > GetBalance())
 840                 throw JSONRPCError(-6, "Insufficient funds");
 841             throw JSONRPCError(-4, "Transaction creation failed");
 842         }
 843         if (!CommitTransaction(wtx, keyChange))
 844             throw JSONRPCError(-4, "Transaction commit failed");
 845     }
 846
 847     return wtx.GetHash().GetHex();
 848 }
 849
 850
 851 struct tallyitem
 852 {
 853     int64 nAmount;
 854     int nConf;
 855     tallyitem()
 856     {
 857         nAmount = 0;
 858         nConf = INT_MAX;
 859     }
 860 };
 861
 862 Value ListReceived(const Array& params, bool fByAccounts)
 863 {
 864     // Minimum confirmations
 865     int nMinDepth = 1;
 866     if (params.size() > 0)
 867         nMinDepth = params[0].get_int();
 868
 869     // Whether to include empty accounts
 870     bool fIncludeEmpty = false;
 871     if (params.size() > 1)
 872         fIncludeEmpty = params[1].get_bool();
 873
 874     // Tally
 875     map<uint160, tallyitem> mapTally;
 876     CRITICAL_BLOCK(cs_mapWallet)
 877     {
 878         for (map<uint256, CWalletTx>::iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
 879         {
 880             const CWalletTx& wtx = (*it).second;
 881             if (wtx.IsCoinBase() || !wtx.IsFinal())
 882                 continue;
 883
 884             int nDepth = wtx.GetDepthInMainChain();
 885             if (nDepth < nMinDepth)
 886                 continue;
 887
 888             foreach(const CTxOut& txout, wtx.vout)
 889             {
 890                 // Only counting our own bitcoin addresses and not ip addresses
 891                 uint160 hash160 = txout.scriptPubKey.GetBitcoinAddressHash160();
 892                 if (hash160 == 0 || !mapPubKeys.count(hash160)) // IsMine
 893                     continue;
 894
 895                 tallyitem& item = mapTally[hash160];
 896                 item.nAmount += txout.nValue;
 897                 item.nConf = min(item.nConf, nDepth);
 898             }
 899         }
 900     }
 901
 902     // Reply
 903     Array ret;
 904     map<string, tallyitem> mapAccountTally;
 905     CRITICAL_BLOCK(cs_mapAddressBook)
 906     {
 907         foreach(const PAIRTYPE(string, string)& item, mapAddressBook)
 908         {
 909             const string& strAddress = item.first;
 910             const string& strAccount = item.second;
 911             uint160 hash160;
 912             if (!AddressToHash160(strAddress, hash160))
 913                 continue;
 914             map<uint160, tallyitem>::iterator it = mapTally.find(hash160);
 915             if (it == mapTally.end() && !fIncludeEmpty)
 916                 continue;
 917
 918             int64 nAmount = 0;
 919             int nConf = INT_MAX;
 920             if (it != mapTally.end())
 921             {
 922                 nAmount = (*it).second.nAmount;
 923                 nConf = (*it).second.nConf;
 924             }
 925
 926             if (fByAccounts)
 927             {
 928                 tallyitem& item = mapAccountTally[strAccount];
 929                 item.nAmount += nAmount;
 930                 item.nConf = min(item.nConf, nConf);
 931             }
 932             else
 933             {
 934                 Object obj;
 935                 obj.push_back(Pair("address",       strAddress));
 936                 obj.push_back(Pair("account",       strAccount));
 937                 obj.push_back(Pair("label",         strAccount)); // deprecated
 938                 obj.push_back(Pair("amount",        ValueFromAmount(nAmount)));
 939                 obj.push_back(Pair("confirmations", (nConf == INT_MAX ? 0 : nConf)));
 940                 ret.push_back(obj);
 941             }
 942         }
 943     }
 944
 945     if (fByAccounts)
 946     {
 947         for (map<string, tallyitem>::iterator it = mapAccountTally.begin(); it != mapAccountTally.end(); ++it)
 948         {
 949             int64 nAmount = (*it).second.nAmount;
 950             int nConf = (*it).second.nConf;
 951             Object obj;
 952             obj.push_back(Pair("account",       (*it).first));
 953             obj.push_back(Pair("label",         (*it).first)); // deprecated
 954             obj.push_back(Pair("amount",        ValueFromAmount(nAmount)));
 955             obj.push_back(Pair("confirmations", (nConf == INT_MAX ? 0 : nConf)));
 956             ret.push_back(obj);
 957         }
 958     }
 959
 960     return ret;
 961 }
 962
 963 Value listreceivedbyaddress(const Array& params, bool fHelp)
 964 {
 965     if (fHelp || params.size() > 2)
 966         throw runtime_error(
 967             "listreceivedbyaddress [minconf=1] [includeempty=false]\n"
 968             "[minconf] is the minimum number of confirmations before payments are included.\n"
 969             "[includeempty] whether to include addresses that haven't received any payments.\n"
 970             "Returns an array of objects containing:\n"
 971             "  \"address\" : receiving address\n"
 972             "  \"account\" : the account of the receiving address\n"
 973             "  \"amount\" : total amount received by the address\n"
 974             "  \"confirmations\" : number of confirmations of the most recent transaction included");
 975
 976     return ListReceived(params, false);
 977 }
 978
 979 Value listreceivedbyaccount(const Array& params, bool fHelp)
 980 {
 981     if (fHelp || params.size() > 2)
 982         throw runtime_error(
 983             "listreceivedbyaccount [minconf=1] [includeempty=false]\n"
 984             "[minconf] is the minimum number of confirmations before payments are included.\n"
 985             "[includeempty] whether to include accounts that haven't received any payments.\n"
 986             "Returns an array of objects containing:\n"
 987             "  \"account\" : the account of the receiving addresses\n"
 988             "  \"amount\" : total amount received by addresses with this account\n"
 989             "  \"confirmations\" : number of confirmations of the most recent transaction included");
 990
 991     return ListReceived(params, true);
 992 }
 993
 994 void ListTransactions(const CWalletTx& wtx, const string& strAccount, int nMinDepth, bool fLong, Array& ret)
 995 {
 996     int64 nGeneratedImmature, nGeneratedMature, nFee;
 997     string strSentAccount;
 998     list<pair<string, int64> > listReceived;
 999     list<pair<string, int64> > listSent;
1000     wtx.GetAmounts(nGeneratedImmature, nGeneratedMature, listReceived, listSent, nFee, strSentAccount);
1001
1002     bool fAllAccounts = (strAccount == string("*"));
1003
1004     // Generated blocks assigned to account ""
1005     if ((nGeneratedMature+nGeneratedImmature) != 0 && (fAllAccounts || strAccount == ""))
1006     {
1007         Object entry;
1008         entry.push_back(Pair("account", string("")));
1009         if (nGeneratedImmature)
1010         {
1011             entry.push_back(Pair("category", wtx.GetDepthInMainChain() ? "immature" : "orphan"));
1012             entry.push_back(Pair("amount", ValueFromAmount(nGeneratedImmature)));
1013         }
1014         else
1015         {
1016             entry.push_back(Pair("category", "generate"));
1017             entry.push_back(Pair("amount", ValueFromAmount(nGeneratedMature)));
1018         }
1019         if (fLong)
1020             WalletTxToJSON(wtx, entry);
1021         ret.push_back(entry);
1022     }
1023
1024     // Sent
1025     if ((!listSent.empty() || nFee != 0) && (fAllAccounts || strAccount == strSentAccount))
1026     {
1027         foreach(const PAIRTYPE(string, int64)& s, listSent)
1028         {
1029             Object entry;
1030             entry.push_back(Pair("account", strSentAccount));
1031             entry.push_back(Pair("address", s.first));
1032             entry.push_back(Pair("category", "send"));
1033             entry.push_back(Pair("amount", ValueFromAmount(-s.second)));
1034             entry.push_back(Pair("fee", ValueFromAmount(-nFee)));
1035             if (fLong)
1036                 WalletTxToJSON(wtx, entry);
1037             ret.push_back(entry);
1038         }
1039     }
1040
1041     // Received
1042     if (listReceived.size() > 0 && wtx.GetDepthInMainChain() >= nMinDepth)
1043         CRITICAL_BLOCK(cs_mapAddressBook)
1044         {
1045             foreach(const PAIRTYPE(string, int64)& r, listReceived)
1046             {
1047                 string account;
1048                 if (mapAddressBook.count(r.first))
1049                     account = mapAddressBook[r.first];
1050                 if (fAllAccounts || (account == strAccount))
1051                 {
1052                     Object entry;
1053                     entry.push_back(Pair("account", account));
1054                     entry.push_back(Pair("address", r.first));
1055                     entry.push_back(Pair("category", "receive"));
1056                     entry.push_back(Pair("amount", ValueFromAmount(r.second)));
1057                     if (fLong)
1058                         WalletTxToJSON(wtx, entry);
1059                     ret.push_back(entry);
1060                 }
1061             }
1062         }
1063
1064 }
1065
1066 void AcentryToJSON(const CAccountingEntry& acentry, const string& strAccount, Array& ret)
1067 {
1068     bool fAllAccounts = (strAccount == string("*"));
1069
1070     if (fAllAccounts || acentry.strAccount == strAccount)
1071     {
1072         Object entry;
1073         entry.push_back(Pair("account", acentry.strAccount));
1074         entry.push_back(Pair("category", "move"));
1075         entry.push_back(Pair("time", (boost::int64_t)acentry.nTime));
1076         entry.push_back(Pair("amount", ValueFromAmount(acentry.nCreditDebit)));
1077         entry.push_back(Pair("otheraccount", acentry.strOtherAccount));
1078         entry.push_back(Pair("comment", acentry.strComment));
1079         ret.push_back(entry);
1080     }
1081 }
1082
1083 Value listtransactions(const Array& params, bool fHelp)
1084 {
1085     if (fHelp || params.size() > 2)
1086         throw runtime_error(
1087             "listtransactions [account] [count=10]\n"
1088             "Returns up to [count] most recent transactions for account <account>.");
1089
1090     string strAccount = "*";
1091     if (params.size() > 0)
1092         strAccount = params[0].get_str();
1093     int nCount = 10;
1094     if (params.size() > 1)
1095         nCount = params[1].get_int();
1096
1097     Array ret;
1098     CWalletDB walletdb;
1099
1100     CRITICAL_BLOCK(cs_mapWallet)
1101     {
1102         // Firs: get all CWalletTx and CAccountingEntry into a sorted-by-time multimap:
1103         typedef pair<CWalletTx*, CAccountingEntry*> TxPair;
1104         typedef multimap<int64, TxPair > TxItems;
1105         TxItems txByTime;
1106
1107         for (map<uint256, CWalletTx>::iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
1108         {
1109             CWalletTx* wtx = &((*it).second);
1110             txByTime.insert(make_pair(wtx->GetTxTime(), TxPair(wtx, (CAccountingEntry*)0)));
1111         }
1112         list<CAccountingEntry> acentries;
1113         walletdb.ListAccountCreditDebit(strAccount, acentries);
1114         foreach(CAccountingEntry& entry, acentries)
1115         {
1116             txByTime.insert(make_pair(entry.nTime, TxPair((CWalletTx*)0, &entry)));
1117         }
1118
1119         // Now: iterate backwards until we have nCount items to return:
1120         for (TxItems::reverse_iterator it = txByTime.rbegin(); it != txByTime.rend(); ++it)
1121         {
1122             CWalletTx *const pwtx = (*it).second.first;
1123             if (pwtx != 0)
1124                 ListTransactions(*pwtx, strAccount, 0, true, ret);
1125             CAccountingEntry *const pacentry = (*it).second.second;
1126             if (pacentry != 0)
1127                 AcentryToJSON(*pacentry, strAccount, ret);
1128
1129             if (ret.size() >= nCount) break;
1130         }
1131         // ret is now newest to oldest
1132     }
1133
1134     // Make sure we return only last nCount items (sends-to-self might give us an extra):
1135     if (ret.size() > nCount)
1136     {
1137         Array::iterator last = ret.begin();
1138         std::advance(last, nCount);
1139         ret.erase(last, ret.end());
1140     }
1141     std::reverse(ret.begin(), ret.end()); // oldest to newest
1142
1143     return ret;
1144 }
1145
1146 Value listaccounts(const Array& params, bool fHelp)
1147 {
1148     if (fHelp || params.size() > 1)
1149         throw runtime_error(
1150             "listaccounts [minconf=1]\n"
1151             "Returns Object that has account names as keys, account balances as values.");
1152
1153     int nMinDepth = 1;
1154     if (params.size() > 0)
1155         nMinDepth = params[0].get_int();
1156
1157     map<string, int64> mapAccountBalances;
1158     CRITICAL_BLOCK(cs_mapWallet)
1159     CRITICAL_BLOCK(cs_mapAddressBook)
1160     {
1161         foreach(const PAIRTYPE(string, string)& entry, mapAddressBook) {
1162             uint160 hash160;
1163             if(AddressToHash160(entry.first, hash160) && mapPubKeys.count(hash160)) // This address belongs to me
1164                 mapAccountBalances[entry.second] = 0;
1165         }
1166
1167         for (map<uint256, CWalletTx>::iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
1168         {
1169             const CWalletTx& wtx = (*it).second;
1170             int64 nGeneratedImmature, nGeneratedMature, nFee;
1171             string strSentAccount;
1172             list<pair<string, int64> > listReceived;
1173             list<pair<string, int64> > listSent;
1174             wtx.GetAmounts(nGeneratedImmature, nGeneratedMature, listReceived, listSent, nFee, strSentAccount);
1175             mapAccountBalances[strSentAccount] -= nFee;
1176             foreach(const PAIRTYPE(string, int64)& s, listSent)
1177                 mapAccountBalances[strSentAccount] -= s.second;
1178             if (wtx.GetDepthInMainChain() >= nMinDepth)
1179             {
1180                 mapAccountBalances[""] += nGeneratedMature;
1181                 foreach(const PAIRTYPE(string, int64)& r, listReceived)
1182                     if (mapAddressBook.count(r.first))
1183                         mapAccountBalances[mapAddressBook[r.first]] += r.second;
1184                     else
1185                         mapAccountBalances[""] += r.second;
1186             }
1187         }
1188     }
1189
1190     list<CAccountingEntry> acentries;
1191     CWalletDB().ListAccountCreditDebit("*", acentries);
1192     foreach(const CAccountingEntry& entry, acentries)
1193         mapAccountBalances[entry.strAccount] += entry.nCreditDebit;
1194
1195     Object ret;
1196     foreach(const PAIRTYPE(string, int64)& accountBalance, mapAccountBalances) {
1197         ret.push_back(Pair(accountBalance.first, ValueFromAmount(accountBalance.second)));
1198     }
1199     return ret;
1200 }
1201
1202 Value gettransaction(const Array& params, bool fHelp)
1203 {
1204     if (fHelp || params.size() != 1)
1205         throw runtime_error(
1206             "gettransaction <txid>\n"
1207             "Get detailed information about <txid>");
1208
1209     uint256 hash;
1210     hash.SetHex(params[0].get_str());
1211
1212     Object entry;
1213     CRITICAL_BLOCK(cs_mapWallet)
1214     {
1215         if (!mapWallet.count(hash))
1216             throw JSONRPCError(-5, "Invalid or non-wallet transaction id");
1217         const CWalletTx& wtx = mapWallet[hash];
1218
1219         int64 nCredit = wtx.GetCredit();
1220         int64 nDebit = wtx.GetDebit();
1221         int64 nNet = nCredit - nDebit;
1222         int64 nFee = (wtx.IsFromMe() ? wtx.GetValueOut() - nDebit : 0);
1223
1224         entry.push_back(Pair("amount", ValueFromAmount(nNet - nFee)));
1225         if (wtx.IsFromMe())
1226             entry.push_back(Pair("fee", ValueFromAmount(nFee)));
1227
1228         WalletTxToJSON(mapWallet[hash], entry);
1229
1230         Array details;
1231         ListTransactions(mapWallet[hash], "*", 0, false, details);
1232         entry.push_back(Pair("details", details));
1233     }
1234
1235     return entry;
1236 }
1237
1238
1239 Value backupwallet(const Array& params, bool fHelp)
1240 {
1241     if (fHelp || params.size() != 1)
1242         throw runtime_error(
1243             "backupwallet <destination>\n"
1244             "Safely copies wallet.dat to destination, which can be a directory or a path with filename.");
1245
1246     string strDest = params[0].get_str();
1247     BackupWallet(strDest);
1248
1249     return Value::null;
1250 }
1251
1252
1253 Value validateaddress(const Array& params, bool fHelp)
1254 {
1255     if (fHelp || params.size() != 1)
1256         throw runtime_error(
1257             "validateaddress <bitcoinaddress>\n"
1258             "Return information about <bitcoinaddress>.");
1259
1260     string strAddress = params[0].get_str();
1261     uint160 hash160;
1262     bool isValid = AddressToHash160(strAddress, hash160);
1263
1264     Object ret;
1265     ret.push_back(Pair("isvalid", isValid));
1266     if (isValid)
1267     {
1268         // Call Hash160ToAddress() so we always return current ADDRESSVERSION
1269         // version of the address:
1270         string currentAddress = Hash160ToAddress(hash160);
1271         ret.push_back(Pair("address", currentAddress));
1272         ret.push_back(Pair("ismine", (mapPubKeys.count(hash160) > 0)));
1273         CRITICAL_BLOCK(cs_mapAddressBook)
1274         {
1275             if (mapAddressBook.count(currentAddress))
1276                 ret.push_back(Pair("account", mapAddressBook[currentAddress]));
1277         }
1278     }
1279     return ret;
1280 }
1281
1282
1283 Value getwork(const Array& params, bool fHelp)
1284 {
1285     if (fHelp || params.size() > 1)
1286         throw runtime_error(
1287             "getwork [data]\n"
1288             "If [data] is not specified, returns formatted hash data to work on:\n"
1289             "  \"midstate\" : precomputed hash state after hashing the first half of the data\n"
1290             "  \"data\" : block data\n"
1291             "  \"hash1\" : formatted hash buffer for second hash\n"
1292             "  \"target\" : little endian hash target\n"
1293             "If [data] is specified, tries to solve the block and returns true if it was successful.");
1294
1295     if (vNodes.empty())
1296         throw JSONRPCError(-9, "Bitcoin is not connected!");
1297
1298     if (IsInitialBlockDownload())
1299         throw JSONRPCError(-10, "Bitcoin is downloading blocks...");
1300
1301     static map<uint256, pair<CBlock*, unsigned int> > mapNewBlock;
1302     static vector<CBlock*> vNewBlock;
1303     static CReserveKey reservekey;
1304
1305     if (params.size() == 0)
1306     {
1307         // Update block
1308         static unsigned int nTransactionsUpdatedLast;
1309         static CBlockIndex* pindexPrev;
1310         static int64 nStart;
1311         static CBlock* pblock;
1312         if (pindexPrev != pindexBest ||
1313             (nTransactionsUpdated != nTransactionsUpdatedLast && GetTime() - nStart > 60))
1314         {
1315             if (pindexPrev != pindexBest)
1316             {
1317                 // Deallocate old blocks since they're obsolete now
1318                 mapNewBlock.clear();
1319                 foreach(CBlock* pblock, vNewBlock)
1320                     delete pblock;
1321                 vNewBlock.clear();
1322             }
1323             nTransactionsUpdatedLast = nTransactionsUpdated;
1324             pindexPrev = pindexBest;
1325             nStart = GetTime();
1326
1327             // Create new block
1328             pblock = CreateNewBlock(reservekey);
1329             if (!pblock)
1330                 throw JSONRPCError(-7, "Out of memory");
1331             vNewBlock.push_back(pblock);
1332         }
1333
1334         // Update nTime
1335         pblock->nTime = max(pindexPrev->GetMedianTimePast()+1, GetAdjustedTime());
1336         pblock->nNonce = 0;
1337
1338         // Update nExtraNonce
1339         static unsigned int nExtraNonce = 0;
1340         static int64 nPrevTime = 0;
1341         IncrementExtraNonce(pblock, pindexPrev, nExtraNonce, nPrevTime);
1342
1343         // Save
1344         mapNewBlock[pblock->hashMerkleRoot] = make_pair(pblock, nExtraNonce);
1345
1346         // Prebuild hash buffers
1347         char pmidstate[32];
1348         char pdata[128];
1349         char phash1[64];
1350         FormatHashBuffers(pblock, pmidstate, pdata, phash1);
1351
1352         uint256 hashTarget = CBigNum().SetCompact(pblock->nBits).getuint256();
1353
1354         Object result;
1355         result.push_back(Pair("midstate", HexStr(BEGIN(pmidstate), END(pmidstate))));
1356         result.push_back(Pair("data",     HexStr(BEGIN(pdata), END(pdata))));
1357         result.push_back(Pair("hash1",    HexStr(BEGIN(phash1), END(phash1))));
1358         result.push_back(Pair("target",   HexStr(BEGIN(hashTarget), END(hashTarget))));
1359         return result;
1360     }
1361     else
1362     {
1363         // Parse parameters
1364         vector<unsigned char> vchData = ParseHex(params[0].get_str());
1365         if (vchData.size() != 128)
1366             throw JSONRPCError(-8, "Invalid parameter");
1367         CBlock* pdata = (CBlock*)&vchData[0];
1368
1369         // Byte reverse
1370         for (int i = 0; i < 128/4; i++)
1371             ((unsigned int*)pdata)[i] = CryptoPP::ByteReverse(((unsigned int*)pdata)[i]);
1372
1373         // Get saved block
1374         if (!mapNewBlock.count(pdata->hashMerkleRoot))
1375             return false;
1376         CBlock* pblock = mapNewBlock[pdata->hashMerkleRoot].first;
1377         unsigned int nExtraNonce = mapNewBlock[pdata->hashMerkleRoot].second;
1378
1379         pblock->nTime = pdata->nTime;
1380         pblock->nNonce = pdata->nNonce;
1381         pblock->vtx[0].vin[0].scriptSig = CScript() << pblock->nBits << CBigNum(nExtraNonce);
1382         pblock->hashMerkleRoot = pblock->BuildMerkleTree();
1383
1384         return CheckWork(pblock, reservekey);
1385     }
1386 }
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398 //
1399 // Call Table
1400 //
1401
1402 pair<string, rpcfn_type> pCallTable[] =
1403 {
1404     make_pair("help",                  &help),
1405     make_pair("stop",                  &stop),
1406     make_pair("getblockcount",         &getblockcount),
1407     make_pair("getblocknumber",        &getblocknumber),
1408     make_pair("getconnectioncount",    &getconnectioncount),
1409     make_pair("getdifficulty",         &getdifficulty),
1410     make_pair("getgenerate",           &getgenerate),
1411     make_pair("setgenerate",           &setgenerate),
1412     make_pair("gethashespersec",       &gethashespersec),
1413     make_pair("getinfo",               &getinfo),
1414     make_pair("getnewaddress",         &getnewaddress),
1415     make_pair("getaccountaddress",     &getaccountaddress),
1416     make_pair("setaccount",            &setaccount),
1417     make_pair("setlabel",              &setaccount), // deprecated
1418     make_pair("getaccount",            &getaccount),
1419     make_pair("getlabel",              &getaccount), // deprecated
1420     make_pair("getaddressesbyaccount", &getaddressesbyaccount),
1421     make_pair("getaddressesbylabel",   &getaddressesbyaccount), // deprecated
1422     make_pair("sendtoaddress",         &sendtoaddress),
1423     make_pair("getamountreceived",     &getreceivedbyaddress), // deprecated, renamed to getreceivedbyaddress
1424     make_pair("getallreceived",        &listreceivedbyaddress), // deprecated, renamed to listreceivedbyaddress
1425     make_pair("getreceivedbyaddress",  &getreceivedbyaddress),
1426     make_pair("getreceivedbyaccount",  &getreceivedbyaccount),
1427     make_pair("getreceivedbylabel",    &getreceivedbyaccount), // deprecated
1428     make_pair("listreceivedbyaddress", &listreceivedbyaddress),
1429     make_pair("listreceivedbyaccount", &listreceivedbyaccount),
1430     make_pair("listreceivedbylabel",   &listreceivedbyaccount), // deprecated
1431     make_pair("backupwallet",          &backupwallet),
1432     make_pair("validateaddress",       &validateaddress),
1433     make_pair("getbalance",            &getbalance),
1434     make_pair("move",                  &movecmd),
1435     make_pair("sendfrom",              &sendfrom),
1436     make_pair("sendmany",              &sendmany),
1437     make_pair("gettransaction",        &gettransaction),
1438     make_pair("listtransactions",      &listtransactions),
1439     make_pair("getwork",               &getwork),
1440     make_pair("listaccounts",          &listaccounts),
1441 };
1442 map<string, rpcfn_type> mapCallTable(pCallTable, pCallTable + sizeof(pCallTable)/sizeof(pCallTable[0]));
1443
1444 string pAllowInSafeMode[] =
1445 {
1446     "help",
1447     "stop",
1448     "getblockcount",
1449     "getblocknumber",
1450     "getconnectioncount",
1451     "getdifficulty",
1452     "getgenerate",
1453     "setgenerate",
1454     "gethashespersec",
1455     "getinfo",
1456     "getnewaddress",
1457     "getaccountaddress",
1458     "setlabel",
1459     "getaccount",
1460     "getlabel", // deprecated
1461     "getaddressesbyaccount",
1462     "getaddressesbylabel", // deprecated
1463     "backupwallet",
1464     "validateaddress",
1465     "getwork",
1466 };
1467 set<string> setAllowInSafeMode(pAllowInSafeMode, pAllowInSafeMode + sizeof(pAllowInSafeMode)/sizeof(pAllowInSafeMode[0]));
1468
1469
1470
1471
1472 //
1473 // HTTP protocol
1474 //
1475 // This ain't Apache.  We're just using HTTP header for the length field
1476 // and to be compatible with other JSON-RPC implementations.
1477 //
1478
1479 string HTTPPost(const string& strMsg, const map<string,string>& mapRequestHeaders)
1480 {
1481     ostringstream s;
1482     s << "POST / HTTP/1.1\r\n"
1483       << "User-Agent: bitcoin-json-rpc/" << FormatFullVersion() << "\r\n"
1484       << "Host: 127.0.0.1\r\n"
1485       << "Content-Type: application/json\r\n"
1486       << "Content-Length: " << strMsg.size() << "\r\n"
1487       << "Accept: application/json\r\n";
1488     foreach(const PAIRTYPE(string, string)& item, mapRequestHeaders)
1489         s << item.first << ": " << item.second << "\r\n";
1490     s << "\r\n" << strMsg;
1491
1492     return s.str();
1493 }
1494
1495 string rfc1123Time()
1496 {
1497     char buffer[64];
1498     time_t now;
1499     time(&now);
1500     struct tm* now_gmt = gmtime(&now);
1501     string locale(setlocale(LC_TIME, NULL));
1502     setlocale(LC_TIME, "C"); // we want posix (aka "C") weekday/month strings
1503     strftime(buffer, sizeof(buffer), "%a, %d %b %Y %H:%M:%S +0000", now_gmt);
1504     setlocale(LC_TIME, locale.c_str());
1505     return string(buffer);
1506 }
1507
1508 string HTTPReply(int nStatus, const string& strMsg)
1509 {
1510     if (nStatus == 401)
1511         return strprintf("HTTP/1.0 401 Authorization Required\r\n"
1512             "Date: %s\r\n"
1513             "Server: bitcoin-json-rpc/%s\r\n"
1514             "WWW-Authenticate: Basic realm=\"jsonrpc\"\r\n"
1515             "Content-Type: text/html\r\n"
1516             "Content-Length: 296\r\n"
1517             "\r\n"
1518             "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\"\r\n"
1519             "\"http://www.w3.org/TR/1999/REC-html401-19991224/loose.dtd\">\r\n"
1520             "<HTML>\r\n"
1521             "<HEAD>\r\n"
1522             "<TITLE>Error</TITLE>\r\n"
1523             "<META HTTP-EQUIV='Content-Type' CONTENT='text/html; charset=ISO-8859-1'>\r\n"
1524             "</HEAD>\r\n"
1525             "<BODY><H1>401 Unauthorized.</H1></BODY>\r\n"
1526             "</HTML>\r\n", rfc1123Time().c_str(), FormatFullVersion().c_str());
1527     string strStatus;
1528          if (nStatus == 200) strStatus = "OK";
1529     else if (nStatus == 400) strStatus = "Bad Request";
1530     else if (nStatus == 404) strStatus = "Not Found";
1531     else if (nStatus == 500) strStatus = "Internal Server Error";
1532     return strprintf(
1533             "HTTP/1.1 %d %s\r\n"
1534             "Date: %s\r\n"
1535             "Connection: close\r\n"
1536             "Content-Length: %d\r\n"
1537             "Content-Type: application/json\r\n"
1538             "Server: bitcoin-json-rpc/%s\r\n"
1539             "\r\n"
1540             "%s",
1541         nStatus,
1542         strStatus.c_str(),
1543         rfc1123Time().c_str(),
1544         strMsg.size(),
1545         FormatFullVersion().c_str(),
1546         strMsg.c_str());
1547 }
1548
1549 int ReadHTTPStatus(std::basic_istream<char>& stream)
1550 {
1551     string str;
1552     getline(stream, str);
1553     vector<string> vWords;
1554     boost::split(vWords, str, boost::is_any_of(" "));
1555     if (vWords.size() < 2)
1556         return 500;
1557     return atoi(vWords[1].c_str());
1558 }
1559
1560 int ReadHTTPHeader(std::basic_istream<char>& stream, map<string, string>& mapHeadersRet)
1561 {
1562     int nLen = 0;
1563     loop
1564     {
1565         string str;
1566         std::getline(stream, str);
1567         if (str.empty() || str == "\r")
1568             break;
1569         string::size_type nColon = str.find(":");
1570         if (nColon != string::npos)
1571         {
1572             string strHeader = str.substr(0, nColon);
1573             boost::trim(strHeader);
1574             string strValue = str.substr(nColon+1);
1575             boost::trim(strValue);
1576             mapHeadersRet[strHeader] = strValue;
1577             if (strHeader == "Content-Length")
1578                 nLen = atoi(strValue.c_str());
1579         }
1580     }
1581     return nLen;
1582 }
1583
1584 int ReadHTTP(std::basic_istream<char>& stream, map<string, string>& mapHeadersRet, string& strMessageRet)
1585 {
1586     mapHeadersRet.clear();
1587     strMessageRet = "";
1588
1589     // Read status
1590     int nStatus = ReadHTTPStatus(stream);
1591
1592     // Read header
1593     int nLen = ReadHTTPHeader(stream, mapHeadersRet);
1594     if (nLen < 0 || nLen > MAX_SIZE)
1595         return 500;
1596
1597     // Read message
1598     if (nLen > 0)
1599     {
1600         vector<char> vch(nLen);
1601         stream.read(&vch[0], nLen);
1602         strMessageRet = string(vch.begin(), vch.end());
1603     }
1604
1605     return nStatus;
1606 }
1607
1608 string EncodeBase64(string s)
1609 {
1610     BIO *b64, *bmem;
1611     BUF_MEM *bptr;
1612
1613     b64 = BIO_new(BIO_f_base64());
1614     BIO_set_flags(b64, BIO_FLAGS_BASE64_NO_NL);
1615     bmem = BIO_new(BIO_s_mem());
1616     b64 = BIO_push(b64, bmem);
1617     BIO_write(b64, s.c_str(), s.size());
1618     BIO_flush(b64);
1619     BIO_get_mem_ptr(b64, &bptr);
1620
1621     string result(bptr->data, bptr->length);
1622     BIO_free_all(b64);
1623
1624     return result;
1625 }
1626
1627 string DecodeBase64(string s)
1628 {
1629     BIO *b64, *bmem;
1630
1631     char* buffer = static_cast<char*>(calloc(s.size(), sizeof(char)));
1632
1633     b64 = BIO_new(BIO_f_base64());
1634     BIO_set_flags(b64, BIO_FLAGS_BASE64_NO_NL);
1635     bmem = BIO_new_mem_buf(const_cast<char*>(s.c_str()), s.size());
1636     bmem = BIO_push(b64, bmem);
1637     BIO_read(bmem, buffer, s.size());
1638     BIO_free_all(bmem);
1639
1640     string result(buffer);
1641     free(buffer);
1642     return result;
1643 }
1644
1645 bool HTTPAuthorized(map<string, string>& mapHeaders)
1646 {
1647     string strAuth = mapHeaders["Authorization"];
1648     if (strAuth.substr(0,6) != "Basic ")
1649         return false;
1650     string strUserPass64 = strAuth.substr(6); boost::trim(strUserPass64);
1651     string strUserPass = DecodeBase64(strUserPass64);
1652     string::size_type nColon = strUserPass.find(":");
1653     if (nColon == string::npos)
1654         return false;
1655     string strUser = strUserPass.substr(0, nColon);
1656     string strPassword = strUserPass.substr(nColon+1);
1657     return (strUser == mapArgs["-rpcuser"] && strPassword == mapArgs["-rpcpassword"]);
1658 }
1659
1660 //
1661 // JSON-RPC protocol.  Bitcoin speaks version 1.0 for maximum compatibility,
1662 // but uses JSON-RPC 1.1/2.0 standards for parts of the 1.0 standard that were
1663 // unspecified (HTTP errors and contents of 'error').
1664 //
1665 // 1.0 spec: http://json-rpc.org/wiki/specification
1666 // 1.2 spec: http://groups.google.com/group/json-rpc/web/json-rpc-over-http
1667 // http://www.codeproject.com/KB/recipes/JSON_Spirit.aspx
1668 //
1669
1670 string JSONRPCRequest(const string& strMethod, const Array& params, const Value& id)
1671 {
1672     Object request;
1673     request.push_back(Pair("method", strMethod));
1674     request.push_back(Pair("params", params));
1675     request.push_back(Pair("id", id));
1676     return write_string(Value(request), false) + "\n";
1677 }
1678
1679 string JSONRPCReply(const Value& result, const Value& error, const Value& id)
1680 {
1681     Object reply;
1682     if (error.type() != null_type)
1683         reply.push_back(Pair("result", Value::null));
1684     else
1685         reply.push_back(Pair("result", result));
1686     reply.push_back(Pair("error", error));
1687     reply.push_back(Pair("id", id));
1688     return write_string(Value(reply), false) + "\n";
1689 }
1690
1691 void ErrorReply(std::ostream& stream, const Object& objError, const Value& id)
1692 {
1693     // Send error reply from json-rpc error object
1694     int nStatus = 500;
1695     int code = find_value(objError, "code").get_int();
1696     if (code == -32600) nStatus = 400;
1697     else if (code == -32601) nStatus = 404;
1698     string strReply = JSONRPCReply(Value::null, objError, id);
1699     stream << HTTPReply(nStatus, strReply) << std::flush;
1700 }
1701
1702 bool ClientAllowed(const string& strAddress)
1703 {
1704     if (strAddress == asio::ip::address_v4::loopback().to_string())
1705         return true;
1706     const vector<string>& vAllow = mapMultiArgs["-rpcallowip"];
1707     foreach(string strAllow, vAllow)
1708         if (WildcardMatch(strAddress, strAllow))
1709             return true;
1710     return false;
1711 }
1712
1713 #ifdef USE_SSL
1714 //
1715 // IOStream device that speaks SSL but can also speak non-SSL
1716 //
1717 class SSLIOStreamDevice : public iostreams::device<iostreams::bidirectional> {
1718 public:
1719     SSLIOStreamDevice(SSLStream &streamIn, bool fUseSSLIn) : stream(streamIn)
1720     {
1721         fUseSSL = fUseSSLIn;
1722         fNeedHandshake = fUseSSLIn;
1723     }
1724
1725     void handshake(ssl::stream_base::handshake_type role)
1726     {
1727         if (!fNeedHandshake) return;
1728         fNeedHandshake = false;
1729         stream.handshake(role);
1730     }
1731     std::streamsize read(char* s, std::streamsize n)
1732     {
1733         handshake(ssl::stream_base::server); // HTTPS servers read first
1734         if (fUseSSL) return stream.read_some(asio::buffer(s, n));
1735         return stream.next_layer().read_some(asio::buffer(s, n));
1736     }
1737     std::streamsize write(const char* s, std::streamsize n)
1738     {
1739         handshake(ssl::stream_base::client); // HTTPS clients write first
1740         if (fUseSSL) return asio::write(stream, asio::buffer(s, n));
1741         return asio::write(stream.next_layer(), asio::buffer(s, n));
1742     }
1743     bool connect(const std::string& server, const std::string& port)
1744     {
1745         ip::tcp::resolver resolver(stream.get_io_service());
1746         ip::tcp::resolver::query query(server.c_str(), port.c_str());
1747         ip::tcp::resolver::iterator endpoint_iterator = resolver.resolve(query);
1748         ip::tcp::resolver::iterator end;
1749         boost::system::error_code error = asio::error::host_not_found;
1750         while (error && endpoint_iterator != end)
1751         {
1752             stream.lowest_layer().close();
1753             stream.lowest_layer().connect(*endpoint_iterator++, error);
1754         }
1755         if (error)
1756             return false;
1757         return true;
1758     }
1759
1760 private:
1761     bool fNeedHandshake;
1762     bool fUseSSL;
1763     SSLStream& stream;
1764 };
1765 #endif
1766
1767 void ThreadRPCServer(void* parg)
1768 {
1769     IMPLEMENT_RANDOMIZE_STACK(ThreadRPCServer(parg));
1770     try
1771     {
1772         vnThreadsRunning[4]++;
1773         ThreadRPCServer2(parg);
1774         vnThreadsRunning[4]--;
1775     }
1776     catch (std::exception& e) {
1777         vnThreadsRunning[4]--;
1778         PrintException(&e, "ThreadRPCServer()");
1779     } catch (...) {
1780         vnThreadsRunning[4]--;
1781         PrintException(NULL, "ThreadRPCServer()");
1782     }
1783     printf("ThreadRPCServer exiting\n");
1784 }
1785
1786 void ThreadRPCServer2(void* parg)
1787 {
1788     printf("ThreadRPCServer started\n");
1789
1790     if (mapArgs["-rpcuser"] == "" && mapArgs["-rpcpassword"] == "")
1791     {
1792         string strWhatAmI = "To use bitcoind";
1793         if (mapArgs.count("-server"))
1794             strWhatAmI = strprintf(_("To use the %s option"), "\"-server\"");
1795         else if (mapArgs.count("-daemon"))
1796             strWhatAmI = strprintf(_("To use the %s option"), "\"-daemon\"");
1797         PrintConsole(
1798             _("Warning: %s, you must set rpcpassword=<password>\nin the configuration file: %s\n"
1799               "If the file does not exist, create it with owner-readable-only file permissions.\n"),
1800                 strWhatAmI.c_str(),
1801                 GetConfigFile().c_str());
1802         CreateThread(Shutdown, NULL);
1803         return;
1804     }
1805
1806     bool fUseSSL = GetBoolArg("-rpcssl");
1807     asio::ip::address bindAddress = mapArgs.count("-rpcallowip") ? asio::ip::address_v4::any() : asio::ip::address_v4::loopback();
1808
1809     asio::io_service io_service;
1810     ip::tcp::endpoint endpoint(bindAddress, GetArg("-rpcport", 8332));
1811     ip::tcp::acceptor acceptor(io_service, endpoint);
1812
1813     acceptor.set_option(boost::asio::ip::tcp::acceptor::reuse_address(true));
1814
1815 #ifdef USE_SSL
1816     ssl::context context(io_service, ssl::context::sslv23);
1817     if (fUseSSL)
1818     {
1819         context.set_options(ssl::context::no_sslv2);
1820         filesystem::path certfile = GetArg("-rpcsslcertificatechainfile", "server.cert");
1821         if (!certfile.is_complete()) certfile = filesystem::path(GetDataDir()) / certfile;
1822         if (filesystem::exists(certfile)) context.use_certificate_chain_file(certfile.string().c_str());
1823         else printf("ThreadRPCServer ERROR: missing server certificate file %s\n", certfile.string().c_str());
1824         filesystem::path pkfile = GetArg("-rpcsslprivatekeyfile", "server.pem");
1825         if (!pkfile.is_complete()) pkfile = filesystem::path(GetDataDir()) / pkfile;
1826         if (filesystem::exists(pkfile)) context.use_private_key_file(pkfile.string().c_str(), ssl::context::pem);
1827         else printf("ThreadRPCServer ERROR: missing server private key file %s\n", pkfile.string().c_str());
1828
1829         string ciphers = GetArg("-rpcsslciphers",
1830                                          "TLSv1+HIGH:!SSLv2:!aNULL:!eNULL:!AH:!3DES:@STRENGTH");
1831         SSL_CTX_set_cipher_list(context.impl(), ciphers.c_str());
1832     }
1833 #else
1834     if (fUseSSL)
1835         throw runtime_error("-rpcssl=1, but bitcoin compiled without full openssl libraries.");
1836 #endif
1837
1838     loop
1839     {
1840         // Accept connection
1841 #ifdef USE_SSL
1842         SSLStream sslStream(io_service, context);
1843         SSLIOStreamDevice d(sslStream, fUseSSL);
1844         iostreams::stream<SSLIOStreamDevice> stream(d);
1845 #else
1846         ip::tcp::iostream stream;
1847 #endif
1848
1849         ip::tcp::endpoint peer;
1850         vnThreadsRunning[4]--;
1851 #ifdef USE_SSL
1852         acceptor.accept(sslStream.lowest_layer(), peer);
1853 #else
1854         acceptor.accept(*stream.rdbuf(), peer);
1855 #endif
1856         vnThreadsRunning[4]++;
1857         if (fShutdown)
1858             return;
1859
1860         // Restrict callers by IP
1861         if (!ClientAllowed(peer.address().to_string()))
1862             continue;
1863
1864         map<string, string> mapHeaders;
1865         string strRequest;
1866
1867         boost::thread api_caller(ReadHTTP, boost::ref(stream), boost::ref(mapHeaders), boost::ref(strRequest));
1868         if (!api_caller.timed_join(boost::posix_time::seconds(GetArg("-rpctimeout", 30))))
1869         {   // Timed out:
1870             acceptor.cancel();
1871             printf("ThreadRPCServer ReadHTTP timeout\n");
1872             continue;
1873         }
1874
1875         // Check authorization
1876         if (mapHeaders.count("Authorization") == 0)
1877         {
1878             stream << HTTPReply(401, "") << std::flush;
1879             continue;
1880         }
1881         if (!HTTPAuthorized(mapHeaders))
1882         {
1883             // Deter brute-forcing short passwords
1884             if (mapArgs["-rpcpassword"].size() < 15)
1885                 Sleep(50);
1886
1887             stream << HTTPReply(401, "") << std::flush;
1888             printf("ThreadRPCServer incorrect password attempt\n");
1889             continue;
1890         }
1891
1892         Value id = Value::null;
1893         try
1894         {
1895             // Parse request
1896             Value valRequest;
1897             if (!read_string(strRequest, valRequest) || valRequest.type() != obj_type)
1898                 throw JSONRPCError(-32700, "Parse error");
1899             const Object& request = valRequest.get_obj();
1900
1901             // Parse id now so errors from here on will have the id
1902             id = find_value(request, "id");
1903
1904             // Parse method
1905             Value valMethod = find_value(request, "method");
1906             if (valMethod.type() == null_type)
1907                 throw JSONRPCError(-32600, "Missing method");
1908             if (valMethod.type() != str_type)
1909                 throw JSONRPCError(-32600, "Method must be a string");
1910             string strMethod = valMethod.get_str();
1911             if (strMethod != "getwork")
1912                 printf("ThreadRPCServer method=%s\n", strMethod.c_str());
1913
1914             // Parse params
1915             Value valParams = find_value(request, "params");
1916             Array params;
1917             if (valParams.type() == array_type)
1918                 params = valParams.get_array();
1919             else if (valParams.type() == null_type)
1920                 params = Array();
1921             else
1922                 throw JSONRPCError(-32600, "Params must be an array");
1923
1924             // Find method
1925             map<string, rpcfn_type>::iterator mi = mapCallTable.find(strMethod);
1926             if (mi == mapCallTable.end())
1927                 throw JSONRPCError(-32601, "Method not found");
1928
1929             // Observe safe mode
1930             string strWarning = GetWarnings("rpc");
1931             if (strWarning != "" && !GetBoolArg("-disablesafemode") && !setAllowInSafeMode.count(strMethod))
1932                 throw JSONRPCError(-2, string("Safe mode: ") + strWarning);
1933
1934             try
1935             {
1936                 // Execute
1937                 Value result = (*(*mi).second)(params, false);
1938
1939                 // Send reply
1940                 string strReply = JSONRPCReply(result, Value::null, id);
1941                 stream << HTTPReply(200, strReply) << std::flush;
1942             }
1943             catch (std::exception& e)
1944             {
1945                 ErrorReply(stream, JSONRPCError(-1, e.what()), id);
1946             }
1947         }
1948         catch (Object& objError)
1949         {
1950             ErrorReply(stream, objError, id);
1951         }
1952         catch (std::exception& e)
1953         {
1954             ErrorReply(stream, JSONRPCError(-32700, e.what()), id);
1955         }
1956     }
1957 }
1958
1959
1960
1961
1962 Object CallRPC(const string& strMethod, const Array& params)
1963 {
1964     if (mapArgs["-rpcuser"] == "" && mapArgs["-rpcpassword"] == "")
1965         throw runtime_error(strprintf(
1966             _("You must set rpcpassword=<password> in the configuration file:\n%s\n"
1967               "If the file does not exist, create it with owner-readable-only file permissions."),
1968                 GetConfigFile().c_str()));
1969
1970     // Connect to localhost
1971     bool fUseSSL = GetBoolArg("-rpcssl");
1972 #ifdef USE_SSL
1973     asio::io_service io_service;
1974     ssl::context context(io_service, ssl::context::sslv23);
1975     context.set_options(ssl::context::no_sslv2);
1976     SSLStream sslStream(io_service, context);
1977     SSLIOStreamDevice d(sslStream, fUseSSL);
1978     iostreams::stream<SSLIOStreamDevice> stream(d);
1979     if (!d.connect(GetArg("-rpcconnect", "127.0.0.1"), GetArg("-rpcport", "8332")))
1980         throw runtime_error("couldn't connect to server");
1981 #else
1982     if (fUseSSL)
1983         throw runtime_error("-rpcssl=1, but bitcoin compiled without full openssl libraries.");
1984
1985     ip::tcp::iostream stream(GetArg("-rpcconnect", "127.0.0.1"), GetArg("-rpcport", "8332"));
1986     if (stream.fail())
1987         throw runtime_error("couldn't connect to server");
1988 #endif
1989
1990
1991     // HTTP basic authentication
1992     string strUserPass64 = EncodeBase64(mapArgs["-rpcuser"] + ":" + mapArgs["-rpcpassword"]);
1993     map<string, string> mapRequestHeaders;
1994     mapRequestHeaders["Authorization"] = string("Basic ") + strUserPass64;
1995
1996     // Send request
1997     string strRequest = JSONRPCRequest(strMethod, params, 1);
1998     string strPost = HTTPPost(strRequest, mapRequestHeaders);
1999     stream << strPost << std::flush;
2000
2001     // Receive reply
2002     map<string, string> mapHeaders;
2003     string strReply;
2004     int nStatus = ReadHTTP(stream, mapHeaders, strReply);
2005     if (nStatus == 401)
2006         throw runtime_error("incorrect rpcuser or rpcpassword (authorization failed)");
2007     else if (nStatus >= 400 && nStatus != 400 && nStatus != 404 && nStatus != 500)
2008         throw runtime_error(strprintf("server returned HTTP error %d", nStatus));
2009     else if (strReply.empty())
2010         throw runtime_error("no response from server");
2011
2012     // Parse reply
2013     Value valReply;
2014     if (!read_string(strReply, valReply))
2015         throw runtime_error("couldn't parse reply from server");
2016     const Object& reply = valReply.get_obj();
2017     if (reply.empty())
2018         throw runtime_error("expected reply to have result, error and id properties");
2019
2020     return reply;
2021 }
2022
2023
2024
2025
2026 template<typename T>
2027 void ConvertTo(Value& value)
2028 {
2029     if (value.type() == str_type)
2030     {
2031         // reinterpret string as unquoted json value
2032         Value value2;
2033         if (!read_string(value.get_str(), value2))
2034             throw runtime_error("type mismatch");
2035         value = value2.get_value<T>();
2036     }
2037     else
2038     {
2039         value = value.get_value<T>();
2040     }
2041 }
2042
2043 int CommandLineRPC(int argc, char *argv[])
2044 {
2045     string strPrint;
2046     int nRet = 0;
2047     try
2048     {
2049         // Skip switches
2050         while (argc > 1 && IsSwitchChar(argv[1][0]))
2051         {
2052             argc--;
2053             argv++;
2054         }
2055
2056         // Method
2057         if (argc < 2)
2058             throw runtime_error("too few parameters");
2059         string strMethod = argv[1];
2060
2061         // Parameters default to strings
2062         Array params;
2063         for (int i = 2; i < argc; i++)
2064             params.push_back(argv[i]);
2065         int n = params.size();
2066
2067         //
2068         // Special case non-string parameter types
2069         //
2070         if (strMethod == "setgenerate"            && n > 0) ConvertTo<bool>(params[0]);
2071         if (strMethod == "setgenerate"            && n > 1) ConvertTo<boost::int64_t>(params[1]);
2072         if (strMethod == "sendtoaddress"          && n > 1) ConvertTo<double>(params[1]);
2073         if (strMethod == "getamountreceived"      && n > 1) ConvertTo<boost::int64_t>(params[1]); // deprecated
2074         if (strMethod == "getreceivedbyaddress"   && n > 1) ConvertTo<boost::int64_t>(params[1]);
2075         if (strMethod == "getreceivedbyaccount"   && n > 1) ConvertTo<boost::int64_t>(params[1]);
2076         if (strMethod == "getreceivedbylabel"     && n > 1) ConvertTo<boost::int64_t>(params[1]); // deprecated
2077         if (strMethod == "getallreceived"         && n > 0) ConvertTo<boost::int64_t>(params[0]); // deprecated
2078         if (strMethod == "getallreceived"         && n > 1) ConvertTo<bool>(params[1]);
2079         if (strMethod == "listreceivedbyaddress"  && n > 0) ConvertTo<boost::int64_t>(params[0]);
2080         if (strMethod == "listreceivedbyaddress"  && n > 1) ConvertTo<bool>(params[1]);
2081         if (strMethod == "listreceivedbyaccount"  && n > 0) ConvertTo<boost::int64_t>(params[0]);
2082         if (strMethod == "listreceivedbyaccount"  && n > 1) ConvertTo<bool>(params[1]);
2083         if (strMethod == "listreceivedbylabel"    && n > 0) ConvertTo<boost::int64_t>(params[0]); // deprecated
2084         if (strMethod == "listreceivedbylabel"    && n > 1) ConvertTo<bool>(params[1]); // deprecated
2085         if (strMethod == "getbalance"             && n > 1) ConvertTo<boost::int64_t>(params[1]);
2086         if (strMethod == "move"                   && n > 2) ConvertTo<double>(params[2]);
2087         if (strMethod == "move"                   && n > 3) ConvertTo<boost::int64_t>(params[3]);
2088         if (strMethod == "sendfrom"               && n > 2) ConvertTo<double>(params[2]);
2089         if (strMethod == "sendfrom"               && n > 3) ConvertTo<boost::int64_t>(params[3]);
2090         if (strMethod == "listtransactions"       && n > 1) ConvertTo<boost::int64_t>(params[1]);
2091         if (strMethod == "listaccounts"           && n > 0) ConvertTo<boost::int64_t>(params[0]);
2092         if (strMethod == "sendmany"               && n > 1)
2093         {
2094             string s = params[1].get_str();
2095             Value v;
2096             if (!read_string(s, v) || v.type() != obj_type)
2097                 throw runtime_error("type mismatch");
2098             params[1] = v.get_obj();
2099         }
2100         if (strMethod == "sendmany"                && n > 2) ConvertTo<boost::int64_t>(params[2]);
2101
2102         // Execute
2103         Object reply = CallRPC(strMethod, params);
2104
2105         // Parse reply
2106         const Value& result = find_value(reply, "result");
2107         const Value& error  = find_value(reply, "error");
2108         const Value& id     = find_value(reply, "id");
2109
2110         if (error.type() != null_type)
2111         {
2112             // Error
2113             strPrint = "error: " + write_string(error, false);
2114             int code = find_value(error.get_obj(), "code").get_int();
2115             nRet = abs(code);
2116         }
2117         else
2118         {
2119             // Result
2120             if (result.type() == null_type)
2121                 strPrint = "";
2122             else if (result.type() == str_type)
2123                 strPrint = result.get_str();
2124             else
2125                 strPrint = write_string(result, true);
2126         }
2127     }
2128     catch (std::exception& e)
2129     {
2130         strPrint = string("error: ") + e.what();
2131         nRet = 87;
2132     }
2133     catch (...)
2134     {
2135         PrintException(NULL, "CommandLineRPC()");
2136     }
2137
2138     if (strPrint != "")
2139     {
2140 #if defined(__WXMSW__) && defined(GUI)
2141         // Windows GUI apps can't print to command line,
2142         // so settle for a message box yuck
2143         MyMessageBox(strPrint, "Bitcoin", wxOK);
2144 #else
2145         fprintf((nRet == 0 ? stdout : stderr), "%s\n", strPrint.c_str());
2146 #endif
2147     }
2148     return nRet;
2149 }
2150
2151
2152
2153
2154 #ifdef TEST
2155 int main(int argc, char *argv[])
2156 {
2157 #ifdef _MSC_VER
2158     // Turn off microsoft heap dump noise
2159     _CrtSetReportMode(_CRT_WARN, _CRTDBG_MODE_FILE);
2160     _CrtSetReportFile(_CRT_WARN, CreateFile("NUL", GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, 0));
2161 #endif
2162     setbuf(stdin, NULL);
2163     setbuf(stdout, NULL);
2164     setbuf(stderr, NULL);
2165
2166     try
2167     {
2168         if (argc >= 2 && string(argv[1]) == "-server")
2169         {
2170             printf("server ready\n");
2171             ThreadRPCServer(NULL);
2172         }
2173         else
2174         {
2175             return CommandLineRPC(argc, argv);
2176         }
2177     }
2178     catch (std::exception& e) {
2179         PrintException(&e, "main()");
2180     } catch (...) {
2181         PrintException(NULL, "main()");
2182     }
2183     return 0;
2184 }
2185 #endif