src/bitcoinrpc.cpp

   1 // Copyright (c) 2010 Satoshi Nakamoto
   2 // Copyright (c) 2011 The Bitcoin developers
   3 // Copyright (c) 2011-2012 The PPCoin developers
   4 // Distributed under the MIT/X11 software license, see the accompanying
   5 // file license.txt or http://www.opensource.org/licenses/mit-license.php.
   6
   7 #include "headers.h"
   8 #include "db.h"
   9 #include "net.h"
  10 #include "init.h"
  11 #include "checkpoints.h"
  12 #undef printf
  13 #include <boost/asio.hpp>
  14 #include <boost/iostreams/concepts.hpp>
  15 #include <boost/iostreams/stream.hpp>
  16 #include <boost/algorithm/string.hpp>
  17 #ifdef USE_SSL
  18 #include <boost/asio/ssl.hpp>
  19 #include <boost/filesystem.hpp>
  20 #include <boost/filesystem/fstream.hpp>
  21 typedef boost::asio::ssl::stream<boost::asio::ip::tcp::socket> SSLStream;
  22 #endif
  23 #include "json/json_spirit_reader_template.h"
  24 #include "json/json_spirit_writer_template.h"
  25 #include "json/json_spirit_utils.h"
  26 #define printf OutputDebugStringF
  27 // MinGW 3.4.5 gets "fatal error: had to relocate PCH" if the json headers are
  28 // precompiled in headers.h.  The problem might be when the pch file goes over
  29 // a certain size around 145MB.  If we need access to json_spirit outside this
  30 // file, we could use the compiled json_spirit option.
  31
  32 using namespace std;
  33 using namespace boost;
  34 using namespace boost::asio;
  35 using namespace json_spirit;
  36
  37 void ThreadRPCServer2(void* parg);
  38 typedef Value(*rpcfn_type)(const Array& params, bool fHelp);
  39 extern map<string, rpcfn_type> mapCallTable;
  40
  41 static std::string strRPCUserColonPass;
  42
  43 static int64 nWalletUnlockTime;
  44 static CCriticalSection cs_nWalletUnlockTime;
  45
  46
  47 Object JSONRPCError(int code, const string& message)
  48 {
  49     Object error;
  50     error.push_back(Pair("code", code));
  51     error.push_back(Pair("message", message));
  52     return error;
  53 }
  54
  55
  56 void PrintConsole(const std::string &format, ...)
  57 {
  58     char buffer[50000];
  59     int limit = sizeof(buffer);
  60     va_list arg_ptr;
  61     va_start(arg_ptr, format);
  62     int ret = _vsnprintf(buffer, limit, format.c_str(), arg_ptr);
  63     va_end(arg_ptr);
  64     if (ret < 0 || ret >= limit)
  65     {
  66         ret = limit - 1;
  67         buffer[limit-1] = 0;
  68     }
  69     printf("%s", buffer);
  70     fprintf(stdout, "%s", buffer);
  71 }
  72
  73
  74 int64 AmountFromValue(const Value& value)
  75 {
  76     double dAmount = value.get_real();
  77     if (dAmount <= 0.0 || dAmount > MAX_MONEY)
  78         throw JSONRPCError(-3, "Invalid amount");
  79     int64 nAmount = roundint64(dAmount * COIN);
  80     if (!MoneyRange(nAmount))
  81         throw JSONRPCError(-3, "Invalid amount");
  82     return nAmount;
  83 }
  84
  85 Value ValueFromAmount(int64 amount)
  86 {
  87     return (double)amount / (double)COIN;
  88 }
  89
  90 void WalletTxToJSON(const CWalletTx& wtx, Object& entry)
  91 {
  92     entry.push_back(Pair("confirmations", wtx.GetDepthInMainChain()));
  93     entry.push_back(Pair("txid", wtx.GetHash().GetHex()));
  94     entry.push_back(Pair("time", (boost::int64_t)wtx.GetTxTime()));
  95     BOOST_FOREACH(const PAIRTYPE(string,string)& item, wtx.mapValue)
  96         entry.push_back(Pair(item.first, item.second));
  97 }
  98
  99 string AccountFromValue(const Value& value)
 100 {
 101     string strAccount = value.get_str();
 102     if (strAccount == "*")
 103         throw JSONRPCError(-11, "Invalid account name");
 104     return strAccount;
 105 }
 106
 107
 108
 109 ///
 110 /// Note: This interface may still be subject to change.
 111 ///
 112
 113
 114 Value help(const Array& params, bool fHelp)
 115 {
 116     if (fHelp || params.size() > 1)
 117         throw runtime_error(
 118             "help [command]\n"
 119             "List commands, or get help for a command.");
 120
 121     string strCommand;
 122     if (params.size() > 0)
 123         strCommand = params[0].get_str();
 124
 125     string strRet;
 126     set<rpcfn_type> setDone;
 127     for (map<string, rpcfn_type>::iterator mi = mapCallTable.begin(); mi != mapCallTable.end(); ++mi)
 128     {
 129         string strMethod = (*mi).first;
 130         // We already filter duplicates, but these deprecated screw up the sort order
 131         if (strMethod == "getamountreceived" ||
 132             strMethod == "getallreceived" ||
 133             strMethod == "getblocknumber" || // deprecated
 134             (strMethod.find("label") != string::npos))
 135             continue;
 136         if (strCommand != "" && strMethod != strCommand)
 137             continue;
 138         try
 139         {
 140             Array params;
 141             rpcfn_type pfn = (*mi).second;
 142             if (setDone.insert(pfn).second)
 143                 (*pfn)(params, true);
 144         }
 145         catch (std::exception& e)
 146         {
 147             // Help text is returned in an exception
 148             string strHelp = string(e.what());
 149             if (strCommand == "")
 150                 if (strHelp.find('\n') != -1)
 151                     strHelp = strHelp.substr(0, strHelp.find('\n'));
 152             strRet += strHelp + "\n";
 153         }
 154     }
 155     if (strRet == "")
 156         strRet = strprintf("help: unknown command: %s\n", strCommand.c_str());
 157     strRet = strRet.substr(0,strRet.size()-1);
 158     return strRet;
 159 }
 160
 161
 162 Value stop(const Array& params, bool fHelp)
 163 {
 164     if (fHelp || params.size() != 0)
 165         throw runtime_error(
 166             "stop\n"
 167             "Stop ppcoin server.");
 168 #ifndef QT_GUI
 169     // Shutdown will take long enough that the response should get back
 170     CreateThread(Shutdown, NULL);
 171     return "ppcoin server stopping";
 172 #else
 173     throw runtime_error("NYI: cannot shut down GUI with RPC command");
 174 #endif
 175 }
 176
 177
 178 Value getblockcount(const Array& params, bool fHelp)
 179 {
 180     if (fHelp || params.size() != 0)
 181         throw runtime_error(
 182             "getblockcount\n"
 183             "Returns the number of blocks in the longest block chain.");
 184
 185     return nBestHeight;
 186 }
 187
 188
 189 // deprecated
 190 Value getblocknumber(const Array& params, bool fHelp)
 191 {
 192     if (fHelp || params.size() != 0)
 193         throw runtime_error(
 194             "getblocknumber\n"
 195             "Deprecated.  Use getblockcount.");
 196
 197     return nBestHeight;
 198 }
 199
 200
 201 Value getconnectioncount(const Array& params, bool fHelp)
 202 {
 203     if (fHelp || params.size() != 0)
 204         throw runtime_error(
 205             "getconnectioncount\n"
 206             "Returns the number of connections to other nodes.");
 207
 208     return (int)vNodes.size();
 209 }
 210
 211
 212 double GetDifficulty()
 213 {
 214     // Floating point number that is a multiple of the minimum difficulty,
 215     // minimum difficulty = 1.0.
 216
 217     if (pindexBest == NULL)
 218         return 1.0;
 219     int nShift = (pindexBest->nBits >> 24) & 0xff;
 220
 221     double dDiff =
 222         (double)0x0000ffff / (double)(pindexBest->nBits & 0x00ffffff);
 223
 224     while (nShift < 29)
 225     {
 226         dDiff *= 256.0;
 227         nShift++;
 228     }
 229     while (nShift > 29)
 230     {
 231         dDiff /= 256.0;
 232         nShift--;
 233     }
 234
 235     return dDiff;
 236 }
 237
 238 Value getdifficulty(const Array& params, bool fHelp)
 239 {
 240     if (fHelp || params.size() != 0)
 241         throw runtime_error(
 242             "getdifficulty\n"
 243             "Returns the proof-of-work difficulty as a multiple of the minimum difficulty.");
 244
 245     return GetDifficulty();
 246 }
 247
 248
 249 Value getgenerate(const Array& params, bool fHelp)
 250 {
 251     if (fHelp || params.size() != 0)
 252         throw runtime_error(
 253             "getgenerate\n"
 254             "Returns true or false.");
 255
 256     return (bool)fGenerateBitcoins;
 257 }
 258
 259
 260 Value setgenerate(const Array& params, bool fHelp)
 261 {
 262     if (fHelp || params.size() < 1 || params.size() > 2)
 263         throw runtime_error(
 264             "setgenerate <generate> [genproclimit]\n"
 265             "<generate> is true or false to turn generation on or off.\n"
 266             "Generation is limited to [genproclimit] processors, -1 is unlimited.");
 267
 268     bool fGenerate = true;
 269     if (params.size() > 0)
 270         fGenerate = params[0].get_bool();
 271
 272     if (params.size() > 1)
 273     {
 274         int nGenProcLimit = params[1].get_int();
 275         fLimitProcessors = (nGenProcLimit != -1);
 276         WriteSetting("fLimitProcessors", fLimitProcessors);
 277         if (nGenProcLimit != -1)
 278             WriteSetting("nLimitProcessors", nLimitProcessors = nGenProcLimit);
 279         if (nGenProcLimit == 0)
 280             fGenerate = false;
 281     }
 282
 283     GenerateBitcoins(fGenerate, pwalletMain);
 284     return Value::null;
 285 }
 286
 287
 288 Value gethashespersec(const Array& params, bool fHelp)
 289 {
 290     if (fHelp || params.size() != 0)
 291         throw runtime_error(
 292             "gethashespersec\n"
 293             "Returns a recent hashes per second performance measurement while generating.");
 294
 295     if (GetTimeMillis() - nHPSTimerStart > 8000)
 296         return (boost::int64_t)0;
 297     return (boost::int64_t)dHashesPerSec;
 298 }
 299
 300
 301 Value getinfo(const Array& params, bool fHelp)
 302 {
 303     if (fHelp || params.size() != 0)
 304         throw runtime_error(
 305             "getinfo\n"
 306             "Returns an object containing various state info.");
 307
 308     Object obj;
 309     obj.push_back(Pair("version",       (int)VERSION));
 310     obj.push_back(Pair("balance",       ValueFromAmount(pwalletMain->GetBalance())));
 311     obj.push_back(Pair("stake",         ValueFromAmount(pwalletMain->GetStake())));
 312     obj.push_back(Pair("blocks",        (int)nBestHeight));
 313     obj.push_back(Pair("connections",   (int)vNodes.size()));
 314     obj.push_back(Pair("proxy",         (fUseProxy ? addrProxy.ToStringIPPort() : string())));
 315     obj.push_back(Pair("ip",            addrSeenByPeer.ToStringIP()));
 316     obj.push_back(Pair("generate",      (bool)fGenerateBitcoins));
 317     obj.push_back(Pair("genproclimit",  (int)(fLimitProcessors ? nLimitProcessors : -1)));
 318     obj.push_back(Pair("difficulty",    (double)GetDifficulty()));
 319     obj.push_back(Pair("hashespersec",  gethashespersec(params, false)));
 320     obj.push_back(Pair("testnet",       fTestNet));
 321     obj.push_back(Pair("keypoololdest", (boost::int64_t)pwalletMain->GetOldestKeyPoolTime()));
 322     obj.push_back(Pair("keypoolsize",   pwalletMain->GetKeyPoolSize()));
 323     obj.push_back(Pair("paytxfee",      ValueFromAmount(nTransactionFee)));
 324     if (pwalletMain->IsCrypted())
 325         obj.push_back(Pair("unlocked_until", (boost::int64_t)nWalletUnlockTime));
 326     obj.push_back(Pair("errors",        GetWarnings("statusbar")));
 327     return obj;
 328 }
 329
 330
 331 Value getnewaddress(const Array& params, bool fHelp)
 332 {
 333     if (fHelp || params.size() > 1)
 334         throw runtime_error(
 335             "getnewaddress [account]\n"
 336             "Returns a new ppcoin address for receiving payments.  "
 337             "If [account] is specified (recommended), it is added to the address book "
 338             "so payments received with the address will be credited to [account].");
 339
 340     // Parse the account first so we don't generate a key if there's an error
 341     string strAccount;
 342     if (params.size() > 0)
 343         strAccount = AccountFromValue(params[0]);
 344
 345     if (!pwalletMain->IsLocked())
 346         pwalletMain->TopUpKeyPool();
 347
 348     // Generate a new key that is added to wallet
 349     std::vector<unsigned char> newKey;
 350     if (!pwalletMain->GetKeyFromPool(newKey, false))
 351         throw JSONRPCError(-12, "Error: Keypool ran out, please call keypoolrefill first");
 352     CBitcoinAddress address(newKey);
 353
 354     pwalletMain->SetAddressBookName(address, strAccount);
 355
 356     return address.ToString();
 357 }
 358
 359
 360 CBitcoinAddress GetAccountAddress(string strAccount, bool bForceNew=false)
 361 {
 362     CWalletDB walletdb(pwalletMain->strWalletFile);
 363
 364     CAccount account;
 365     walletdb.ReadAccount(strAccount, account);
 366
 367     bool bKeyUsed = false;
 368
 369     // Check if the current key has been used
 370     if (!account.vchPubKey.empty())
 371     {
 372         CScript scriptPubKey;
 373         scriptPubKey.SetBitcoinAddress(account.vchPubKey);
 374         for (map<uint256, CWalletTx>::iterator it = pwalletMain->mapWallet.begin();
 375              it != pwalletMain->mapWallet.end() && !account.vchPubKey.empty();
 376              ++it)
 377         {
 378             const CWalletTx& wtx = (*it).second;
 379             BOOST_FOREACH(const CTxOut& txout, wtx.vout)
 380                 if (txout.scriptPubKey == scriptPubKey)
 381                     bKeyUsed = true;
 382         }
 383     }
 384
 385     // Generate a new key
 386     if (account.vchPubKey.empty() || bForceNew || bKeyUsed)
 387     {
 388         if (!pwalletMain->GetKeyFromPool(account.vchPubKey, false))
 389             throw JSONRPCError(-12, "Error: Keypool ran out, please call keypoolrefill first");
 390
 391         pwalletMain->SetAddressBookName(CBitcoinAddress(account.vchPubKey), strAccount);
 392         walletdb.WriteAccount(strAccount, account);
 393     }
 394
 395     return CBitcoinAddress(account.vchPubKey);
 396 }
 397
 398 Value getaccountaddress(const Array& params, bool fHelp)
 399 {
 400     if (fHelp || params.size() != 1)
 401         throw runtime_error(
 402             "getaccountaddress <account>\n"
 403             "Returns the current ppcoin address for receiving payments to this account.");
 404
 405     // Parse the account first so we don't generate a key if there's an error
 406     string strAccount = AccountFromValue(params[0]);
 407
 408     Value ret;
 409
 410     ret = GetAccountAddress(strAccount).ToString();
 411
 412     return ret;
 413 }
 414
 415
 416
 417 Value setaccount(const Array& params, bool fHelp)
 418 {
 419     if (fHelp || params.size() < 1 || params.size() > 2)
 420         throw runtime_error(
 421             "setaccount <ppcoinaddress> <account>\n"
 422             "Sets the account associated with the given address.");
 423
 424     CBitcoinAddress address(params[0].get_str());
 425     if (!address.IsValid())
 426         throw JSONRPCError(-5, "Invalid ppcoin address");
 427
 428
 429     string strAccount;
 430     if (params.size() > 1)
 431         strAccount = AccountFromValue(params[1]);
 432
 433     // Detect when changing the account of an address that is the 'unused current key' of another account:
 434     if (pwalletMain->mapAddressBook.count(address))
 435     {
 436         string strOldAccount = pwalletMain->mapAddressBook[address];
 437         if (address == GetAccountAddress(strOldAccount))
 438             GetAccountAddress(strOldAccount, true);
 439     }
 440
 441     pwalletMain->SetAddressBookName(address, strAccount);
 442
 443     return Value::null;
 444 }
 445
 446
 447 Value getaccount(const Array& params, bool fHelp)
 448 {
 449     if (fHelp || params.size() != 1)
 450         throw runtime_error(
 451             "getaccount <ppcoinaddress>\n"
 452             "Returns the account associated with the given address.");
 453
 454     CBitcoinAddress address(params[0].get_str());
 455     if (!address.IsValid())
 456         throw JSONRPCError(-5, "Invalid ppcoin address");
 457
 458     string strAccount;
 459     map<CBitcoinAddress, string>::iterator mi = pwalletMain->mapAddressBook.find(address);
 460     if (mi != pwalletMain->mapAddressBook.end() && !(*mi).second.empty())
 461         strAccount = (*mi).second;
 462     return strAccount;
 463 }
 464
 465
 466 Value getaddressesbyaccount(const Array& params, bool fHelp)
 467 {
 468     if (fHelp || params.size() != 1)
 469         throw runtime_error(
 470             "getaddressesbyaccount <account>\n"
 471             "Returns the list of addresses for the given account.");
 472
 473     string strAccount = AccountFromValue(params[0]);
 474
 475     // Find all addresses that have the given account
 476     Array ret;
 477     BOOST_FOREACH(const PAIRTYPE(CBitcoinAddress, string)& item, pwalletMain->mapAddressBook)
 478     {
 479         const CBitcoinAddress& address = item.first;
 480         const string& strName = item.second;
 481         if (strName == strAccount)
 482             ret.push_back(address.ToString());
 483     }
 484     return ret;
 485 }
 486
 487 Value settxfee(const Array& params, bool fHelp)
 488 {
 489     if (fHelp || params.size() < 1 || params.size() > 1 || AmountFromValue(params[0]) < MIN_TX_FEE)
 490         throw runtime_error(
 491             "settxfee <amount>\n"
 492             "<amount> is a real and is rounded to 0.01 (cent)\n"
 493             "Minimum and default transaction fee per KB is 1 cent");
 494
 495     nTransactionFee = AmountFromValue(params[0]);
 496     nTransactionFee = (nTransactionFee / CENT) * CENT;  // round to cent
 497     return true;
 498 }
 499
 500 Value sendtoaddress(const Array& params, bool fHelp)
 501 {
 502     if (pwalletMain->IsCrypted() && (fHelp || params.size() < 2 || params.size() > 4))
 503         throw runtime_error(
 504             "sendtoaddress <ppcoinaddress> <amount> [comment] [comment-to]\n"
 505             "<amount> is a real and is rounded to the nearest 0.000001\n"
 506             "requires wallet passphrase to be set with walletpassphrase first");
 507     if (!pwalletMain->IsCrypted() && (fHelp || params.size() < 2 || params.size() > 4))
 508         throw runtime_error(
 509             "sendtoaddress <ppcoinaddress> <amount> [comment] [comment-to]\n"
 510             "<amount> is a real and is rounded to the nearest 0.000001");
 511
 512     CBitcoinAddress address(params[0].get_str());
 513     if (!address.IsValid())
 514         throw JSONRPCError(-5, "Invalid ppcoin address");
 515
 516     // Amount
 517     int64 nAmount = AmountFromValue(params[1]);
 518
 519     // Wallet comments
 520     CWalletTx wtx;
 521     if (params.size() > 2 && params[2].type() != null_type && !params[2].get_str().empty())
 522         wtx.mapValue["comment"] = params[2].get_str();
 523     if (params.size() > 3 && params[3].type() != null_type && !params[3].get_str().empty())
 524         wtx.mapValue["to"]      = params[3].get_str();
 525
 526     if (pwalletMain->IsLocked())
 527         throw JSONRPCError(-13, "Error: Please enter the wallet passphrase with walletpassphrase first.");
 528
 529     string strError = pwalletMain->SendMoneyToBitcoinAddress(address, nAmount, wtx);
 530     if (strError != "")
 531         throw JSONRPCError(-4, strError);
 532
 533     return wtx.GetHash().GetHex();
 534 }
 535
 536 static const string strMessageMagic = "Bitcoin Signed Message:\n";
 537
 538 Value signmessage(const Array& params, bool fHelp)
 539 {
 540     if (fHelp || params.size() != 2)
 541         throw runtime_error(
 542             "signmessage <ppcoinaddress> <message>\n"
 543             "Sign a message with the private key of an address");
 544
 545     if (pwalletMain->IsLocked())
 546         throw JSONRPCError(-13, "Error: Please enter the wallet passphrase with walletpassphrase first.");
 547
 548     string strAddress = params[0].get_str();
 549     string strMessage = params[1].get_str();
 550
 551     CBitcoinAddress addr(strAddress);
 552     if (!addr.IsValid())
 553         throw JSONRPCError(-3, "Invalid address");
 554
 555     CKey key;
 556     if (!pwalletMain->GetKey(addr, key))
 557         throw JSONRPCError(-4, "Private key not available");
 558
 559     CDataStream ss(SER_GETHASH);
 560     ss << strMessageMagic;
 561     ss << strMessage;
 562
 563     vector<unsigned char> vchSig;
 564     if (!key.SignCompact(Hash(ss.begin(), ss.end()), vchSig))
 565         throw JSONRPCError(-5, "Sign failed");
 566
 567     return EncodeBase64(&vchSig[0], vchSig.size());
 568 }
 569
 570 Value verifymessage(const Array& params, bool fHelp)
 571 {
 572     if (fHelp || params.size() != 3)
 573         throw runtime_error(
 574             "verifymessage <ppcoinaddress> <signature> <message>\n"
 575             "Verify a signed message");
 576
 577     string strAddress  = params[0].get_str();
 578     string strSign     = params[1].get_str();
 579     string strMessage  = params[2].get_str();
 580
 581     CBitcoinAddress addr(strAddress);
 582     if (!addr.IsValid())
 583         throw JSONRPCError(-3, "Invalid address");
 584
 585     bool fInvalid = false;
 586     vector<unsigned char> vchSig = DecodeBase64(strSign.c_str(), &fInvalid);
 587
 588     if (fInvalid)
 589         throw JSONRPCError(-5, "Malformed base64 encoding");
 590
 591     CDataStream ss(SER_GETHASH);
 592     ss << strMessageMagic;
 593     ss << strMessage;
 594
 595     CKey key;
 596     if (!key.SetCompactSignature(Hash(ss.begin(), ss.end()), vchSig))
 597         return false;
 598
 599     return (key.GetAddress() == addr);
 600 }
 601
 602
 603 Value getreceivedbyaddress(const Array& params, bool fHelp)
 604 {
 605     if (fHelp || params.size() < 1 || params.size() > 2)
 606         throw runtime_error(
 607             "getreceivedbyaddress <ppcoinaddress> [minconf=1]\n"
 608             "Returns the total amount received by <ppcoinaddress> in transactions with at least [minconf] confirmations.");
 609
 610     // Bitcoin address
 611     CBitcoinAddress address = CBitcoinAddress(params[0].get_str());
 612     CScript scriptPubKey;
 613     if (!address.IsValid())
 614         throw JSONRPCError(-5, "Invalid ppcoin address");
 615     scriptPubKey.SetBitcoinAddress(address);
 616     if (!IsMine(*pwalletMain,scriptPubKey))
 617         return (double)0.0;
 618
 619     // Minimum confirmations
 620     int nMinDepth = 1;
 621     if (params.size() > 1)
 622         nMinDepth = params[1].get_int();
 623
 624     // Tally
 625     int64 nAmount = 0;
 626     for (map<uint256, CWalletTx>::iterator it = pwalletMain->mapWallet.begin(); it != pwalletMain->mapWallet.end(); ++it)
 627     {
 628         const CWalletTx& wtx = (*it).second;
 629         if (wtx.IsCoinBase() || wtx.IsCoinStake() || !wtx.IsFinal())
 630             continue;
 631
 632         BOOST_FOREACH(const CTxOut& txout, wtx.vout)
 633             if (txout.scriptPubKey == scriptPubKey)
 634                 if (wtx.GetDepthInMainChain() >= nMinDepth)
 635                     nAmount += txout.nValue;
 636     }
 637
 638     return  ValueFromAmount(nAmount);
 639 }
 640
 641
 642 void GetAccountAddresses(string strAccount, set<CBitcoinAddress>& setAddress)
 643 {
 644     BOOST_FOREACH(const PAIRTYPE(CBitcoinAddress, string)& item, pwalletMain->mapAddressBook)
 645     {
 646         const CBitcoinAddress& address = item.first;
 647         const string& strName = item.second;
 648         if (strName == strAccount)
 649             setAddress.insert(address);
 650     }
 651 }
 652
 653
 654 Value getreceivedbyaccount(const Array& params, bool fHelp)
 655 {
 656     if (fHelp || params.size() < 1 || params.size() > 2)
 657         throw runtime_error(
 658             "getreceivedbyaccount <account> [minconf=1]\n"
 659             "Returns the total amount received by addresses with <account> in transactions with at least [minconf] confirmations.");
 660
 661     // Minimum confirmations
 662     int nMinDepth = 1;
 663     if (params.size() > 1)
 664         nMinDepth = params[1].get_int();
 665
 666     // Get the set of pub keys that have the label
 667     string strAccount = AccountFromValue(params[0]);
 668     set<CBitcoinAddress> setAddress;
 669     GetAccountAddresses(strAccount, setAddress);
 670
 671     // Tally
 672     int64 nAmount = 0;
 673     for (map<uint256, CWalletTx>::iterator it = pwalletMain->mapWallet.begin(); it != pwalletMain->mapWallet.end(); ++it)
 674     {
 675         const CWalletTx& wtx = (*it).second;
 676         if (wtx.IsCoinBase() || wtx.IsCoinStake() || !wtx.IsFinal())
 677             continue;
 678
 679         BOOST_FOREACH(const CTxOut& txout, wtx.vout)
 680         {
 681             CBitcoinAddress address;
 682             if (ExtractAddress(txout.scriptPubKey, pwalletMain, address) && setAddress.count(address))
 683                 if (wtx.GetDepthInMainChain() >= nMinDepth)
 684                     nAmount += txout.nValue;
 685         }
 686     }
 687
 688     return (double)nAmount / (double)COIN;
 689 }
 690
 691
 692 int64 GetAccountBalance(CWalletDB& walletdb, const string& strAccount, int nMinDepth)
 693 {
 694     int64 nBalance = 0;
 695
 696     // Tally wallet transactions
 697     for (map<uint256, CWalletTx>::iterator it = pwalletMain->mapWallet.begin(); it != pwalletMain->mapWallet.end(); ++it)
 698     {
 699         const CWalletTx& wtx = (*it).second;
 700         if (!wtx.IsFinal())
 701             continue;
 702
 703         int64 nGenerated, nReceived, nSent, nFee;
 704         wtx.GetAccountAmounts(strAccount, nGenerated, nReceived, nSent, nFee);
 705
 706         if (nReceived != 0 && wtx.GetDepthInMainChain() >= nMinDepth)
 707             nBalance += nReceived;
 708         nBalance += nGenerated - nSent - nFee;
 709     }
 710
 711     // Tally internal accounting entries
 712     nBalance += walletdb.GetAccountCreditDebit(strAccount);
 713
 714     return nBalance;
 715 }
 716
 717 int64 GetAccountBalance(const string& strAccount, int nMinDepth)
 718 {
 719     CWalletDB walletdb(pwalletMain->strWalletFile);
 720     return GetAccountBalance(walletdb, strAccount, nMinDepth);
 721 }
 722
 723
 724 Value getbalance(const Array& params, bool fHelp)
 725 {
 726     if (fHelp || params.size() > 2)
 727         throw runtime_error(
 728             "getbalance [account] [minconf=1]\n"
 729             "If [account] is not specified, returns the server's total available balance.\n"
 730             "If [account] is specified, returns the balance in the account.");
 731
 732     if (params.size() == 0)
 733         return  ValueFromAmount(pwalletMain->GetBalance());
 734
 735     int nMinDepth = 1;
 736     if (params.size() > 1)
 737         nMinDepth = params[1].get_int();
 738
 739     if (params[0].get_str() == "*") {
 740         // Calculate total balance a different way from GetBalance()
 741         // (GetBalance() sums up all unspent TxOuts)
 742         // getbalance and getbalance '*' should always return the same number.
 743         int64 nBalance = 0;
 744         for (map<uint256, CWalletTx>::iterator it = pwalletMain->mapWallet.begin(); it != pwalletMain->mapWallet.end(); ++it)
 745         {
 746             const CWalletTx& wtx = (*it).second;
 747             if (!wtx.IsFinal())
 748                 continue;
 749
 750             int64 allGeneratedImmature, allGeneratedMature, allFee;
 751             allGeneratedImmature = allGeneratedMature = allFee = 0;
 752             string strSentAccount;
 753             list<pair<CBitcoinAddress, int64> > listReceived;
 754             list<pair<CBitcoinAddress, int64> > listSent;
 755             wtx.GetAmounts(allGeneratedImmature, allGeneratedMature, listReceived, listSent, allFee, strSentAccount);
 756             if (wtx.GetDepthInMainChain() >= nMinDepth)
 757                 BOOST_FOREACH(const PAIRTYPE(CBitcoinAddress,int64)& r, listReceived)
 758                     nBalance += r.second;
 759             BOOST_FOREACH(const PAIRTYPE(CBitcoinAddress,int64)& r, listSent)
 760                 nBalance -= r.second;
 761             nBalance -= allFee;
 762             nBalance += allGeneratedMature;
 763         }
 764         return  ValueFromAmount(nBalance);
 765     }
 766
 767     string strAccount = AccountFromValue(params[0]);
 768
 769     int64 nBalance = GetAccountBalance(strAccount, nMinDepth);
 770
 771     return ValueFromAmount(nBalance);
 772 }
 773
 774
 775 Value movecmd(const Array& params, bool fHelp)
 776 {
 777     if (fHelp || params.size() < 3 || params.size() > 5)
 778         throw runtime_error(
 779             "move <fromaccount> <toaccount> <amount> [minconf=1] [comment]\n"
 780             "Move from one account in your wallet to another.");
 781
 782     string strFrom = AccountFromValue(params[0]);
 783     string strTo = AccountFromValue(params[1]);
 784     int64 nAmount = AmountFromValue(params[2]);
 785     if (params.size() > 3)
 786         // unused parameter, used to be nMinDepth, keep type-checking it though
 787         (void)params[3].get_int();
 788     string strComment;
 789     if (params.size() > 4)
 790         strComment = params[4].get_str();
 791
 792     CWalletDB walletdb(pwalletMain->strWalletFile);
 793     walletdb.TxnBegin();
 794
 795     int64 nNow = GetAdjustedTime();
 796
 797     // Debit
 798     CAccountingEntry debit;
 799     debit.strAccount = strFrom;
 800     debit.nCreditDebit = -nAmount;
 801     debit.nTime = nNow;
 802     debit.strOtherAccount = strTo;
 803     debit.strComment = strComment;
 804     walletdb.WriteAccountingEntry(debit);
 805
 806     // Credit
 807     CAccountingEntry credit;
 808     credit.strAccount = strTo;
 809     credit.nCreditDebit = nAmount;
 810     credit.nTime = nNow;
 811     credit.strOtherAccount = strFrom;
 812     credit.strComment = strComment;
 813     walletdb.WriteAccountingEntry(credit);
 814
 815     walletdb.TxnCommit();
 816
 817     return true;
 818 }
 819
 820
 821 Value sendfrom(const Array& params, bool fHelp)
 822 {
 823     if (pwalletMain->IsCrypted() && (fHelp || params.size() < 3 || params.size() > 6))
 824         throw runtime_error(
 825             "sendfrom <fromaccount> <toppcoinaddress> <amount> [minconf=1] [comment] [comment-to]\n"
 826             "<amount> is a real and is rounded to the nearest 0.000001\n"
 827             "requires wallet passphrase to be set with walletpassphrase first");
 828     if (!pwalletMain->IsCrypted() && (fHelp || params.size() < 3 || params.size() > 6))
 829         throw runtime_error(
 830             "sendfrom <fromaccount> <toppcoinaddress> <amount> [minconf=1] [comment] [comment-to]\n"
 831             "<amount> is a real and is rounded to the nearest 0.000001");
 832
 833     string strAccount = AccountFromValue(params[0]);
 834     CBitcoinAddress address(params[1].get_str());
 835     if (!address.IsValid())
 836         throw JSONRPCError(-5, "Invalid ppcoin address");
 837     int64 nAmount = AmountFromValue(params[2]);
 838     int nMinDepth = 1;
 839     if (params.size() > 3)
 840         nMinDepth = params[3].get_int();
 841
 842     CWalletTx wtx;
 843     wtx.strFromAccount = strAccount;
 844     if (params.size() > 4 && params[4].type() != null_type && !params[4].get_str().empty())
 845         wtx.mapValue["comment"] = params[4].get_str();
 846     if (params.size() > 5 && params[5].type() != null_type && !params[5].get_str().empty())
 847         wtx.mapValue["to"]      = params[5].get_str();
 848
 849     if (pwalletMain->IsLocked())
 850         throw JSONRPCError(-13, "Error: Please enter the wallet passphrase with walletpassphrase first.");
 851
 852     // Check funds
 853     int64 nBalance = GetAccountBalance(strAccount, nMinDepth);
 854     if (nAmount > nBalance)
 855         throw JSONRPCError(-6, "Account has insufficient funds");
 856
 857     // Send
 858     string strError = pwalletMain->SendMoneyToBitcoinAddress(address, nAmount, wtx);
 859     if (strError != "")
 860         throw JSONRPCError(-4, strError);
 861
 862     return wtx.GetHash().GetHex();
 863 }
 864
 865
 866 Value sendmany(const Array& params, bool fHelp)
 867 {
 868     if (pwalletMain->IsCrypted() && (fHelp || params.size() < 2 || params.size() > 4))
 869         throw runtime_error(
 870             "sendmany <fromaccount> {address:amount,...} [minconf=1] [comment]\n"
 871             "amounts are double-precision floating point numbers\n"
 872             "requires wallet passphrase to be set with walletpassphrase first");
 873     if (!pwalletMain->IsCrypted() && (fHelp || params.size() < 2 || params.size() > 4))
 874         throw runtime_error(
 875             "sendmany <fromaccount> {address:amount,...} [minconf=1] [comment]\n"
 876             "amounts are double-precision floating point numbers");
 877
 878     string strAccount = AccountFromValue(params[0]);
 879     Object sendTo = params[1].get_obj();
 880     int nMinDepth = 1;
 881     if (params.size() > 2)
 882         nMinDepth = params[2].get_int();
 883
 884     CWalletTx wtx;
 885     wtx.strFromAccount = strAccount;
 886     if (params.size() > 3 && params[3].type() != null_type && !params[3].get_str().empty())
 887         wtx.mapValue["comment"] = params[3].get_str();
 888
 889     set<CBitcoinAddress> setAddress;
 890     vector<pair<CScript, int64> > vecSend;
 891
 892     int64 totalAmount = 0;
 893     BOOST_FOREACH(const Pair& s, sendTo)
 894     {
 895         CBitcoinAddress address(s.name_);
 896         if (!address.IsValid())
 897             throw JSONRPCError(-5, string("Invalid ppcoin address:")+s.name_);
 898
 899         if (setAddress.count(address))
 900             throw JSONRPCError(-8, string("Invalid parameter, duplicated address: ")+s.name_);
 901         setAddress.insert(address);
 902
 903         CScript scriptPubKey;
 904         scriptPubKey.SetBitcoinAddress(address);
 905         int64 nAmount = AmountFromValue(s.value_);
 906         totalAmount += nAmount;
 907
 908         vecSend.push_back(make_pair(scriptPubKey, nAmount));
 909     }
 910
 911     if (pwalletMain->IsLocked())
 912         throw JSONRPCError(-13, "Error: Please enter the wallet passphrase with walletpassphrase first.");
 913     if (fWalletUnlockStakeOnly)
 914         throw JSONRPCError(-13, "Error: Wallet unlocked for coinstake only.");
 915
 916     // Check funds
 917     int64 nBalance = GetAccountBalance(strAccount, nMinDepth);
 918     if (totalAmount > nBalance)
 919         throw JSONRPCError(-6, "Account has insufficient funds");
 920
 921     // Send
 922     CReserveKey keyChange(pwalletMain);
 923     int64 nFeeRequired = 0;
 924     bool fCreated = pwalletMain->CreateTransaction(vecSend, wtx, keyChange, nFeeRequired);
 925     if (!fCreated)
 926     {
 927         if (totalAmount + nFeeRequired > pwalletMain->GetBalance())
 928             throw JSONRPCError(-6, "Insufficient funds");
 929         throw JSONRPCError(-4, "Transaction creation failed");
 930     }
 931     if (!pwalletMain->CommitTransaction(wtx, keyChange))
 932         throw JSONRPCError(-4, "Transaction commit failed");
 933
 934     return wtx.GetHash().GetHex();
 935 }
 936
 937
 938 struct tallyitem
 939 {
 940     int64 nAmount;
 941     int nConf;
 942     tallyitem()
 943     {
 944         nAmount = 0;
 945         nConf = INT_MAX;
 946     }
 947 };
 948
 949 Value ListReceived(const Array& params, bool fByAccounts)
 950 {
 951     // Minimum confirmations
 952     int nMinDepth = 1;
 953     if (params.size() > 0)
 954         nMinDepth = params[0].get_int();
 955
 956     // Whether to include empty accounts
 957     bool fIncludeEmpty = false;
 958     if (params.size() > 1)
 959         fIncludeEmpty = params[1].get_bool();
 960
 961     // Tally
 962     map<CBitcoinAddress, tallyitem> mapTally;
 963     for (map<uint256, CWalletTx>::iterator it = pwalletMain->mapWallet.begin(); it != pwalletMain->mapWallet.end(); ++it)
 964     {
 965         const CWalletTx& wtx = (*it).second;
 966         if (wtx.IsCoinBase() || wtx.IsCoinStake() || !wtx.IsFinal())
 967             continue;
 968
 969         int nDepth = wtx.GetDepthInMainChain();
 970         if (nDepth < nMinDepth)
 971             continue;
 972
 973         BOOST_FOREACH(const CTxOut& txout, wtx.vout)
 974         {
 975             CBitcoinAddress address;
 976             if (!ExtractAddress(txout.scriptPubKey, pwalletMain, address) || !address.IsValid())
 977                 continue;
 978
 979             tallyitem& item = mapTally[address];
 980             item.nAmount += txout.nValue;
 981             item.nConf = min(item.nConf, nDepth);
 982         }
 983     }
 984
 985     // Reply
 986     Array ret;
 987     map<string, tallyitem> mapAccountTally;
 988     BOOST_FOREACH(const PAIRTYPE(CBitcoinAddress, string)& item, pwalletMain->mapAddressBook)
 989     {
 990         const CBitcoinAddress& address = item.first;
 991         const string& strAccount = item.second;
 992         map<CBitcoinAddress, tallyitem>::iterator it = mapTally.find(address);
 993         if (it == mapTally.end() && !fIncludeEmpty)
 994             continue;
 995
 996         int64 nAmount = 0;
 997         int nConf = INT_MAX;
 998         if (it != mapTally.end())
 999         {
1000             nAmount = (*it).second.nAmount;
1001             nConf = (*it).second.nConf;
1002         }
1003
1004         if (fByAccounts)
1005         {
1006             tallyitem& item = mapAccountTally[strAccount];
1007             item.nAmount += nAmount;
1008             item.nConf = min(item.nConf, nConf);
1009         }
1010         else
1011         {
1012             Object obj;
1013             obj.push_back(Pair("address",       address.ToString()));
1014             obj.push_back(Pair("account",       strAccount));
1015             obj.push_back(Pair("amount",        ValueFromAmount(nAmount)));
1016             obj.push_back(Pair("confirmations", (nConf == INT_MAX ? 0 : nConf)));
1017             ret.push_back(obj);
1018         }
1019     }
1020
1021     if (fByAccounts)
1022     {
1023         for (map<string, tallyitem>::iterator it = mapAccountTally.begin(); it != mapAccountTally.end(); ++it)
1024         {
1025             int64 nAmount = (*it).second.nAmount;
1026             int nConf = (*it).second.nConf;
1027             Object obj;
1028             obj.push_back(Pair("account",       (*it).first));
1029             obj.push_back(Pair("amount",        ValueFromAmount(nAmount)));
1030             obj.push_back(Pair("confirmations", (nConf == INT_MAX ? 0 : nConf)));
1031             ret.push_back(obj);
1032         }
1033     }
1034
1035     return ret;
1036 }
1037
1038 Value listreceivedbyaddress(const Array& params, bool fHelp)
1039 {
1040     if (fHelp || params.size() > 2)
1041         throw runtime_error(
1042             "listreceivedbyaddress [minconf=1] [includeempty=false]\n"
1043             "[minconf] is the minimum number of confirmations before payments are included.\n"
1044             "[includeempty] whether to include addresses that haven't received any payments.\n"
1045             "Returns an array of objects containing:\n"
1046             "  \"address\" : receiving address\n"
1047             "  \"account\" : the account of the receiving address\n"
1048             "  \"amount\" : total amount received by the address\n"
1049             "  \"confirmations\" : number of confirmations of the most recent transaction included");
1050
1051     return ListReceived(params, false);
1052 }
1053
1054 Value listreceivedbyaccount(const Array& params, bool fHelp)
1055 {
1056     if (fHelp || params.size() > 2)
1057         throw runtime_error(
1058             "listreceivedbyaccount [minconf=1] [includeempty=false]\n"
1059             "[minconf] is the minimum number of confirmations before payments are included.\n"
1060             "[includeempty] whether to include accounts that haven't received any payments.\n"
1061             "Returns an array of objects containing:\n"
1062             "  \"account\" : the account of the receiving addresses\n"
1063             "  \"amount\" : total amount received by addresses with this account\n"
1064             "  \"confirmations\" : number of confirmations of the most recent transaction included");
1065
1066     return ListReceived(params, true);
1067 }
1068
1069 void ListTransactions(const CWalletTx& wtx, const string& strAccount, int nMinDepth, bool fLong, Array& ret)
1070 {
1071     int64 nGeneratedImmature, nGeneratedMature, nFee;
1072     string strSentAccount;
1073     list<pair<CBitcoinAddress, int64> > listReceived;
1074     list<pair<CBitcoinAddress, int64> > listSent;
1075     wtx.GetAmounts(nGeneratedImmature, nGeneratedMature, listReceived, listSent, nFee, strSentAccount);
1076
1077     bool fAllAccounts = (strAccount == string("*"));
1078
1079     // Generated blocks assigned to account ""
1080     if ((nGeneratedMature+nGeneratedImmature) != 0 && (fAllAccounts || strAccount == ""))
1081     {
1082         Object entry;
1083         entry.push_back(Pair("account", string("")));
1084         if (nGeneratedImmature)
1085         {
1086             entry.push_back(Pair("category", wtx.GetDepthInMainChain() ? "immature" : "orphan"));
1087             entry.push_back(Pair("amount", ValueFromAmount(nGeneratedImmature)));
1088         }
1089         else
1090         {
1091             entry.push_back(Pair("category", "generate"));
1092             entry.push_back(Pair("amount", ValueFromAmount(nGeneratedMature)));
1093         }
1094         if (fLong)
1095             WalletTxToJSON(wtx, entry);
1096         ret.push_back(entry);
1097     }
1098
1099     // Sent
1100     if ((!listSent.empty() || nFee != 0) && (fAllAccounts || strAccount == strSentAccount))
1101     {
1102         BOOST_FOREACH(const PAIRTYPE(CBitcoinAddress, int64)& s, listSent)
1103         {
1104             Object entry;
1105             entry.push_back(Pair("account", strSentAccount));
1106             entry.push_back(Pair("address", s.first.ToString()));
1107             entry.push_back(Pair("category", "send"));
1108             entry.push_back(Pair("amount", ValueFromAmount(-s.second)));
1109             entry.push_back(Pair("fee", ValueFromAmount(-nFee)));
1110             if (fLong)
1111                 WalletTxToJSON(wtx, entry);
1112             ret.push_back(entry);
1113         }
1114     }
1115
1116     // Received
1117     if (listReceived.size() > 0 && wtx.GetDepthInMainChain() >= nMinDepth)
1118         BOOST_FOREACH(const PAIRTYPE(CBitcoinAddress, int64)& r, listReceived)
1119         {
1120             string account;
1121             if (pwalletMain->mapAddressBook.count(r.first))
1122                 account = pwalletMain->mapAddressBook[r.first];
1123             if (fAllAccounts || (account == strAccount))
1124             {
1125                 Object entry;
1126                 entry.push_back(Pair("account", account));
1127                 entry.push_back(Pair("address", r.first.ToString()));
1128                 entry.push_back(Pair("category", "receive"));
1129                 entry.push_back(Pair("amount", ValueFromAmount(r.second)));
1130                 if (fLong)
1131                     WalletTxToJSON(wtx, entry);
1132                 ret.push_back(entry);
1133             }
1134         }
1135 }
1136
1137 void AcentryToJSON(const CAccountingEntry& acentry, const string& strAccount, Array& ret)
1138 {
1139     bool fAllAccounts = (strAccount == string("*"));
1140
1141     if (fAllAccounts || acentry.strAccount == strAccount)
1142     {
1143         Object entry;
1144         entry.push_back(Pair("account", acentry.strAccount));
1145         entry.push_back(Pair("category", "move"));
1146         entry.push_back(Pair("time", (boost::int64_t)acentry.nTime));
1147         entry.push_back(Pair("amount", ValueFromAmount(acentry.nCreditDebit)));
1148         entry.push_back(Pair("otheraccount", acentry.strOtherAccount));
1149         entry.push_back(Pair("comment", acentry.strComment));
1150         ret.push_back(entry);
1151     }
1152 }
1153
1154 Value listtransactions(const Array& params, bool fHelp)
1155 {
1156     if (fHelp || params.size() > 3)
1157         throw runtime_error(
1158             "listtransactions [account] [count=10] [from=0]\n"
1159             "Returns up to [count] most recent transactions skipping the first [from] transactions for account [account].");
1160
1161     string strAccount = "*";
1162     if (params.size() > 0)
1163         strAccount = params[0].get_str();
1164     int nCount = 10;
1165     if (params.size() > 1)
1166         nCount = params[1].get_int();
1167     int nFrom = 0;
1168     if (params.size() > 2)
1169         nFrom = params[2].get_int();
1170
1171     Array ret;
1172     CWalletDB walletdb(pwalletMain->strWalletFile);
1173
1174     // Firs: get all CWalletTx and CAccountingEntry into a sorted-by-time multimap:
1175     typedef pair<CWalletTx*, CAccountingEntry*> TxPair;
1176     typedef multimap<int64, TxPair > TxItems;
1177     TxItems txByTime;
1178
1179     for (map<uint256, CWalletTx>::iterator it = pwalletMain->mapWallet.begin(); it != pwalletMain->mapWallet.end(); ++it)
1180     {
1181         CWalletTx* wtx = &((*it).second);
1182         txByTime.insert(make_pair(wtx->GetTxTime(), TxPair(wtx, (CAccountingEntry*)0)));
1183     }
1184     list<CAccountingEntry> acentries;
1185     walletdb.ListAccountCreditDebit(strAccount, acentries);
1186     BOOST_FOREACH(CAccountingEntry& entry, acentries)
1187     {
1188         txByTime.insert(make_pair(entry.nTime, TxPair((CWalletTx*)0, &entry)));
1189     }
1190
1191     // Now: iterate backwards until we have nCount items to return:
1192     TxItems::reverse_iterator it = txByTime.rbegin();
1193     if (txByTime.size() > nFrom) std::advance(it, nFrom);
1194     for (; it != txByTime.rend(); ++it)
1195     {
1196         CWalletTx *const pwtx = (*it).second.first;
1197         if (pwtx != 0)
1198             ListTransactions(*pwtx, strAccount, 0, true, ret);
1199         CAccountingEntry *const pacentry = (*it).second.second;
1200         if (pacentry != 0)
1201             AcentryToJSON(*pacentry, strAccount, ret);
1202
1203         if (ret.size() >= nCount) break;
1204     }
1205     // ret is now newest to oldest
1206
1207     // Make sure we return only last nCount items (sends-to-self might give us an extra):
1208     if (ret.size() > nCount)
1209     {
1210         Array::iterator last = ret.begin();
1211         std::advance(last, nCount);
1212         ret.erase(last, ret.end());
1213     }
1214     std::reverse(ret.begin(), ret.end()); // oldest to newest
1215
1216     return ret;
1217 }
1218
1219 Value listaccounts(const Array& params, bool fHelp)
1220 {
1221     if (fHelp || params.size() > 1)
1222         throw runtime_error(
1223             "listaccounts [minconf=1]\n"
1224             "Returns Object that has account names as keys, account balances as values.");
1225
1226     int nMinDepth = 1;
1227     if (params.size() > 0)
1228         nMinDepth = params[0].get_int();
1229
1230     map<string, int64> mapAccountBalances;
1231     BOOST_FOREACH(const PAIRTYPE(CBitcoinAddress, string)& entry, pwalletMain->mapAddressBook) {
1232         if (pwalletMain->HaveKey(entry.first)) // This address belongs to me
1233             mapAccountBalances[entry.second] = 0;
1234     }
1235
1236     for (map<uint256, CWalletTx>::iterator it = pwalletMain->mapWallet.begin(); it != pwalletMain->mapWallet.end(); ++it)
1237     {
1238         const CWalletTx& wtx = (*it).second;
1239         int64 nGeneratedImmature, nGeneratedMature, nFee;
1240         string strSentAccount;
1241         list<pair<CBitcoinAddress, int64> > listReceived;
1242         list<pair<CBitcoinAddress, int64> > listSent;
1243         wtx.GetAmounts(nGeneratedImmature, nGeneratedMature, listReceived, listSent, nFee, strSentAccount);
1244         mapAccountBalances[strSentAccount] -= nFee;
1245         BOOST_FOREACH(const PAIRTYPE(CBitcoinAddress, int64)& s, listSent)
1246             mapAccountBalances[strSentAccount] -= s.second;
1247         if (wtx.GetDepthInMainChain() >= nMinDepth)
1248         {
1249             mapAccountBalances[""] += nGeneratedMature;
1250             BOOST_FOREACH(const PAIRTYPE(CBitcoinAddress, int64)& r, listReceived)
1251                 if (pwalletMain->mapAddressBook.count(r.first))
1252                     mapAccountBalances[pwalletMain->mapAddressBook[r.first]] += r.second;
1253                 else
1254                     mapAccountBalances[""] += r.second;
1255         }
1256     }
1257
1258     list<CAccountingEntry> acentries;
1259     CWalletDB(pwalletMain->strWalletFile).ListAccountCreditDebit("*", acentries);
1260     BOOST_FOREACH(const CAccountingEntry& entry, acentries)
1261         mapAccountBalances[entry.strAccount] += entry.nCreditDebit;
1262
1263     Object ret;
1264     BOOST_FOREACH(const PAIRTYPE(string, int64)& accountBalance, mapAccountBalances) {
1265         ret.push_back(Pair(accountBalance.first, ValueFromAmount(accountBalance.second)));
1266     }
1267     return ret;
1268 }
1269
1270 Value listsinceblock(const Array& params, bool fHelp)
1271 {
1272     if (fHelp)
1273         throw runtime_error(
1274             "listsinceblock [blockid] [target-confirmations]\n"
1275             "Get all transactions in blocks since block [blockid], or all transactions if omitted");
1276
1277     CBlockIndex *pindex = NULL;
1278     int target_confirms = 1;
1279
1280     if (params.size() > 0)
1281     {
1282         uint256 blockId = 0;
1283
1284         blockId.SetHex(params[0].get_str());
1285         pindex = CBlockLocator(blockId).GetBlockIndex();
1286     }
1287
1288     if (params.size() > 1)
1289     {
1290         target_confirms = params[1].get_int();
1291
1292         if (target_confirms < 1)
1293             throw JSONRPCError(-8, "Invalid parameter");
1294     }
1295
1296     int depth = pindex ? (1 + nBestHeight - pindex->nHeight) : -1;
1297
1298     Array transactions;
1299
1300     for (map<uint256, CWalletTx>::iterator it = pwalletMain->mapWallet.begin(); it != pwalletMain->mapWallet.end(); it++)
1301     {
1302         CWalletTx tx = (*it).second;
1303
1304         if (depth == -1 || tx.GetDepthInMainChain() < depth)
1305             ListTransactions(tx, "*", 0, true, transactions);
1306     }
1307
1308     uint256 lastblock;
1309
1310     if (target_confirms == 1)
1311     {
1312         printf("oops!\n");
1313         lastblock = hashBestChain;
1314     }
1315     else
1316     {
1317         int target_height = pindexBest->nHeight + 1 - target_confirms;
1318
1319         CBlockIndex *block;
1320         for (block = pindexBest;
1321              block && block->nHeight > target_height;
1322              block = block->pprev);
1323
1324         lastblock = block ? block->GetBlockHash() : 0;
1325     }
1326
1327     Object ret;
1328     ret.push_back(Pair("transactions", transactions));
1329     ret.push_back(Pair("lastblock", lastblock.GetHex()));
1330
1331     return ret;
1332 }
1333
1334 Value gettransaction(const Array& params, bool fHelp)
1335 {
1336     if (fHelp || params.size() != 1)
1337         throw runtime_error(
1338             "gettransaction <txid>\n"
1339             "Get detailed information about <txid>");
1340
1341     uint256 hash;
1342     hash.SetHex(params[0].get_str());
1343
1344     Object entry;
1345
1346     if (!pwalletMain->mapWallet.count(hash))
1347         throw JSONRPCError(-5, "Invalid or non-wallet transaction id");
1348     const CWalletTx& wtx = pwalletMain->mapWallet[hash];
1349
1350     int64 nCredit = wtx.GetCredit();
1351     int64 nDebit = wtx.GetDebit();
1352     int64 nNet = nCredit - nDebit;
1353     int64 nFee = (wtx.IsFromMe() ? wtx.GetValueOut() - nDebit : 0);
1354
1355     entry.push_back(Pair("amount", ValueFromAmount(nNet - nFee)));
1356     if (wtx.IsFromMe())
1357         entry.push_back(Pair("fee", ValueFromAmount(nFee)));
1358
1359     WalletTxToJSON(pwalletMain->mapWallet[hash], entry);
1360
1361     Array details;
1362     ListTransactions(pwalletMain->mapWallet[hash], "*", 0, false, details);
1363     entry.push_back(Pair("details", details));
1364
1365     return entry;
1366 }
1367
1368
1369 Value backupwallet(const Array& params, bool fHelp)
1370 {
1371     if (fHelp || params.size() != 1)
1372         throw runtime_error(
1373             "backupwallet <destination>\n"
1374             "Safely copies wallet.dat to destination, which can be a directory or a path with filename.");
1375
1376     string strDest = params[0].get_str();
1377     BackupWallet(*pwalletMain, strDest);
1378
1379     return Value::null;
1380 }
1381
1382
1383 Value keypoolrefill(const Array& params, bool fHelp)
1384 {
1385     if (pwalletMain->IsCrypted() && (fHelp || params.size() > 0))
1386         throw runtime_error(
1387             "keypoolrefill\n"
1388             "Fills the keypool, requires wallet passphrase to be set.");
1389     if (!pwalletMain->IsCrypted() && (fHelp || params.size() > 0))
1390         throw runtime_error(
1391             "keypoolrefill\n"
1392             "Fills the keypool.");
1393
1394     if (pwalletMain->IsLocked())
1395         throw JSONRPCError(-13, "Error: Please enter the wallet passphrase with walletpassphrase first.");
1396
1397     pwalletMain->TopUpKeyPool();
1398
1399     if (pwalletMain->GetKeyPoolSize() < GetArg("-keypool", 100))
1400         throw JSONRPCError(-4, "Error refreshing keypool.");
1401
1402     return Value::null;
1403 }
1404
1405
1406 void ThreadTopUpKeyPool(void* parg)
1407 {
1408     pwalletMain->TopUpKeyPool();
1409 }
1410
1411 void ThreadCleanWalletPassphrase(void* parg)
1412 {
1413     int64 nMyWakeTime = GetTime() + *((int*)parg);
1414
1415     if (nWalletUnlockTime == 0)
1416     {
1417         CRITICAL_BLOCK(cs_nWalletUnlockTime)
1418         {
1419             nWalletUnlockTime = nMyWakeTime;
1420         }
1421
1422         while (GetTime() < nWalletUnlockTime)
1423             Sleep(GetTime() - nWalletUnlockTime);
1424
1425         CRITICAL_BLOCK(cs_nWalletUnlockTime)
1426         {
1427             nWalletUnlockTime = 0;
1428         }
1429     }
1430     else
1431     {
1432         CRITICAL_BLOCK(cs_nWalletUnlockTime)
1433         {
1434             if (nWalletUnlockTime < nMyWakeTime)
1435                 nWalletUnlockTime = nMyWakeTime;
1436         }
1437         free(parg);
1438         return;
1439     }
1440
1441     pwalletMain->Lock();
1442
1443     delete (int*)parg;
1444 }
1445
1446 Value walletpassphrase(const Array& params, bool fHelp)
1447 {
1448     if (pwalletMain->IsCrypted() && (fHelp || params.size() < 2 || params.size() > 3))
1449         throw runtime_error(
1450             "walletpassphrase <passphrase> <timeout> [stakeonly]\n"
1451             "Stores the wallet decryption key in memory for <timeout> seconds.\n"
1452             "stakeonly is optional true/false allowing only stake creation.");
1453     if (fHelp)
1454         return true;
1455     if (!pwalletMain->IsCrypted())
1456         throw JSONRPCError(-15, "Error: running with an unencrypted wallet, but walletpassphrase was called.");
1457
1458     if (!pwalletMain->IsLocked())
1459         throw JSONRPCError(-17, "Error: Wallet is already unlocked, use walletlock first if need to change unlock settings.");
1460
1461     // Note that the walletpassphrase is stored in params[0] which is not mlock()ed
1462     SecureString strWalletPass;
1463     strWalletPass.reserve(100);
1464     // TODO: get rid of this .c_str() by implementing SecureString::operator=(std::string)
1465     // Alternately, find a way to make params[0] mlock()'d to begin with.
1466     strWalletPass = params[0].get_str().c_str();
1467
1468     if (strWalletPass.length() > 0)
1469     {
1470         if (!pwalletMain->Unlock(strWalletPass))
1471             throw JSONRPCError(-14, "Error: The wallet passphrase entered was incorrect.");
1472     }
1473     else
1474         throw runtime_error(
1475             "walletpassphrase <passphrase> <timeout>\n"
1476             "Stores the wallet decryption key in memory for <timeout> seconds.");
1477
1478     CreateThread(ThreadTopUpKeyPool, NULL);
1479     int* pnSleepTime = new int(params[1].get_int());
1480     CreateThread(ThreadCleanWalletPassphrase, pnSleepTime);
1481
1482     // ppcoin: if user OS account compromised prevent trivial sendmoney commands
1483     if (params.size() > 2)
1484         fWalletUnlockStakeOnly = params[2].get_bool();
1485     else
1486         fWalletUnlockStakeOnly = false;
1487
1488     return Value::null;
1489 }
1490
1491
1492 Value walletpassphrasechange(const Array& params, bool fHelp)
1493 {
1494     if (pwalletMain->IsCrypted() && (fHelp || params.size() != 2))
1495         throw runtime_error(
1496             "walletpassphrasechange <oldpassphrase> <newpassphrase>\n"
1497             "Changes the wallet passphrase from <oldpassphrase> to <newpassphrase>.");
1498     if (fHelp)
1499         return true;
1500     if (!pwalletMain->IsCrypted())
1501         throw JSONRPCError(-15, "Error: running with an unencrypted wallet, but walletpassphrasechange was called.");
1502
1503     // TODO: get rid of these .c_str() calls by implementing SecureString::operator=(std::string)
1504     // Alternately, find a way to make params[0] mlock()'d to begin with.
1505     SecureString strOldWalletPass;
1506     strOldWalletPass.reserve(100);
1507     strOldWalletPass = params[0].get_str().c_str();
1508
1509     SecureString strNewWalletPass;
1510     strNewWalletPass.reserve(100);
1511     strNewWalletPass = params[1].get_str().c_str();
1512
1513     if (strOldWalletPass.length() < 1 || strNewWalletPass.length() < 1)
1514         throw runtime_error(
1515             "walletpassphrasechange <oldpassphrase> <newpassphrase>\n"
1516             "Changes the wallet passphrase from <oldpassphrase> to <newpassphrase>.");
1517
1518     if (!pwalletMain->ChangeWalletPassphrase(strOldWalletPass, strNewWalletPass))
1519         throw JSONRPCError(-14, "Error: The wallet passphrase entered was incorrect.");
1520
1521     return Value::null;
1522 }
1523
1524
1525 Value walletlock(const Array& params, bool fHelp)
1526 {
1527     if (pwalletMain->IsCrypted() && (fHelp || params.size() != 0))
1528         throw runtime_error(
1529             "walletlock\n"
1530             "Removes the wallet encryption key from memory, locking the wallet.\n"
1531             "After calling this method, you will need to call walletpassphrase again\n"
1532             "before being able to call any methods which require the wallet to be unlocked.");
1533     if (fHelp)
1534         return true;
1535     if (!pwalletMain->IsCrypted())
1536         throw JSONRPCError(-15, "Error: running with an unencrypted wallet, but walletlock was called.");
1537
1538     pwalletMain->Lock();
1539     CRITICAL_BLOCK(cs_nWalletUnlockTime)
1540     {
1541         nWalletUnlockTime = 0;
1542     }
1543
1544     return Value::null;
1545 }
1546
1547
1548 Value encryptwallet(const Array& params, bool fHelp)
1549 {
1550     if (!pwalletMain->IsCrypted() && (fHelp || params.size() != 1))
1551         throw runtime_error(
1552             "encryptwallet <passphrase>\n"
1553             "Encrypts the wallet with <passphrase>.");
1554     if (fHelp)
1555         return true;
1556     if (pwalletMain->IsCrypted())
1557         throw JSONRPCError(-15, "Error: running with an encrypted wallet, but encryptwallet was called.");
1558
1559 #ifdef QT_GUI
1560     // shutting down via RPC while the GUI is running does not work (yet):
1561     throw runtime_error("Not Yet Implemented: use GUI to encrypt wallet, not RPC command");
1562 #endif
1563
1564     // TODO: get rid of this .c_str() by implementing SecureString::operator=(std::string)
1565     // Alternately, find a way to make params[0] mlock()'d to begin with.
1566     SecureString strWalletPass;
1567     strWalletPass.reserve(100);
1568     strWalletPass = params[0].get_str().c_str();
1569
1570     if (strWalletPass.length() < 1)
1571         throw runtime_error(
1572             "encryptwallet <passphrase>\n"
1573             "Encrypts the wallet with <passphrase>.");
1574
1575     if (!pwalletMain->EncryptWallet(strWalletPass))
1576         throw JSONRPCError(-16, "Error: Failed to encrypt the wallet.");
1577
1578     // BDB seems to have a bad habit of writing old data into
1579     // slack space in .dat files; that is bad if the old data is
1580     // unencrypted private keys.  So:
1581     CreateThread(Shutdown, NULL);
1582     return "wallet encrypted; ppcoin server stopping, restart to run with encrypted wallet";
1583 }
1584
1585
1586 Value validateaddress(const Array& params, bool fHelp)
1587 {
1588     if (fHelp || params.size() != 1)
1589         throw runtime_error(
1590             "validateaddress <ppcoinaddress>\n"
1591             "Return information about <ppcoinaddress>.");
1592
1593     CBitcoinAddress address(params[0].get_str());
1594     bool isValid = address.IsValid();
1595
1596     Object ret;
1597     ret.push_back(Pair("isvalid", isValid));
1598     if (isValid)
1599     {
1600         // Call Hash160ToAddress() so we always return current ADDRESSVERSION
1601         // version of the address:
1602         string currentAddress = address.ToString();
1603         ret.push_back(Pair("address", currentAddress));
1604         ret.push_back(Pair("ismine", (pwalletMain->HaveKey(address) > 0)));
1605         if (pwalletMain->mapAddressBook.count(address))
1606             ret.push_back(Pair("account", pwalletMain->mapAddressBook[address]));
1607     }
1608     return ret;
1609 }
1610
1611
1612 Value getwork(const Array& params, bool fHelp)
1613 {
1614     if (fHelp || params.size() > 1)
1615         throw runtime_error(
1616             "getwork [data]\n"
1617             "If [data] is not specified, returns formatted hash data to work on:\n"
1618             "  \"midstate\" : precomputed hash state after hashing the first half of the data (DEPRECATED)\n" // deprecated
1619             "  \"data\" : block data\n"
1620             "  \"hash1\" : formatted hash buffer for second hash (DEPRECATED)\n" // deprecated
1621             "  \"target\" : little endian hash target\n"
1622             "If [data] is specified, tries to solve the block and returns true if it was successful.");
1623
1624     if (vNodes.empty())
1625         throw JSONRPCError(-9, "PPCoin is not connected!");
1626
1627     if (IsInitialBlockDownload())
1628         throw JSONRPCError(-10, "PPCoin is downloading blocks...");
1629
1630     typedef map<uint256, pair<CBlock*, CScript> > mapNewBlock_t;
1631     static mapNewBlock_t mapNewBlock;
1632     static vector<CBlock*> vNewBlock;
1633     static CReserveKey reservekey(pwalletMain);
1634
1635     if (params.size() == 0)
1636     {
1637         // Update block
1638         static unsigned int nTransactionsUpdatedLast;
1639         static CBlockIndex* pindexPrev;
1640         static int64 nStart;
1641         static CBlock* pblock;
1642         if (pindexPrev != pindexBest ||
1643             (nTransactionsUpdated != nTransactionsUpdatedLast && GetTime() - nStart > 60))
1644         {
1645             if (pindexPrev != pindexBest)
1646             {
1647                 // Deallocate old blocks since they're obsolete now
1648                 mapNewBlock.clear();
1649                 BOOST_FOREACH(CBlock* pblock, vNewBlock)
1650                     delete pblock;
1651                 vNewBlock.clear();
1652             }
1653             nTransactionsUpdatedLast = nTransactionsUpdated;
1654             pindexPrev = pindexBest;
1655             nStart = GetTime();
1656
1657             // Create new block
1658             pblock = CreateNewBlock(pwalletMain);
1659             if (!pblock)
1660                 throw JSONRPCError(-7, "Out of memory");
1661             vNewBlock.push_back(pblock);
1662         }
1663
1664         // Update nTime
1665         pblock->nTime = max(pindexPrev->GetMedianTimePast()+1, GetAdjustedTime());
1666         pblock->nNonce = 0;
1667
1668         // Update nExtraNonce
1669         static unsigned int nExtraNonce = 0;
1670         IncrementExtraNonce(pblock, pindexPrev, nExtraNonce);
1671
1672         // Save
1673         mapNewBlock[pblock->hashMerkleRoot] = make_pair(pblock, pblock->vtx[0].vin[0].scriptSig);
1674
1675         // Prebuild hash buffers
1676         char pmidstate[32];
1677         char pdata[128];
1678         char phash1[64];
1679         FormatHashBuffers(pblock, pmidstate, pdata, phash1);
1680
1681         uint256 hashTarget = CBigNum().SetCompact(pblock->nBits).getuint256();
1682
1683         Object result;
1684         result.push_back(Pair("midstate", HexStr(BEGIN(pmidstate), END(pmidstate)))); // deprecated
1685         result.push_back(Pair("data",     HexStr(BEGIN(pdata), END(pdata))));
1686         result.push_back(Pair("hash1",    HexStr(BEGIN(phash1), END(phash1)))); // deprecated
1687         result.push_back(Pair("target",   HexStr(BEGIN(hashTarget), END(hashTarget))));
1688         return result;
1689     }
1690     else
1691     {
1692         // Parse parameters
1693         vector<unsigned char> vchData = ParseHex(params[0].get_str());
1694         if (vchData.size() != 128)
1695             throw JSONRPCError(-8, "Invalid parameter");
1696         CBlock* pdata = (CBlock*)&vchData[0];
1697
1698         // Byte reverse
1699         for (int i = 0; i < 128/4; i++)
1700             ((unsigned int*)pdata)[i] = ByteReverse(((unsigned int*)pdata)[i]);
1701
1702         // Get saved block
1703         if (!mapNewBlock.count(pdata->hashMerkleRoot))
1704             return false;
1705         CBlock* pblock = mapNewBlock[pdata->hashMerkleRoot].first;
1706
1707         pblock->nTime = pdata->nTime;
1708         pblock->nNonce = pdata->nNonce;
1709         pblock->vtx[0].vin[0].scriptSig = mapNewBlock[pdata->hashMerkleRoot].second;
1710         pblock->hashMerkleRoot = pblock->BuildMerkleTree();
1711
1712         return CheckWork(pblock, *pwalletMain, reservekey);
1713     }
1714 }
1715
1716
1717 Value getmemorypool(const Array& params, bool fHelp)
1718 {
1719     if (fHelp || params.size() > 1)
1720         throw runtime_error(
1721             "getmemorypool [data]\n"
1722             "If [data] is not specified, returns data needed to construct a block to work on:\n"
1723             "  \"version\" : block version\n"
1724             "  \"previousblockhash\" : hash of current highest block\n"
1725             "  \"transactions\" : contents of non-coinbase transactions that should be included in the next block\n"
1726             "  \"coinbasevalue\" : maximum allowable input to coinbase transaction, including the generation award and transaction fees\n"
1727             "  \"time\" : timestamp appropriate for next block\n"
1728             "  \"bits\" : compressed target of next block\n"
1729             "If [data] is specified, tries to solve the block and returns true if it was successful.");
1730
1731     if (params.size() == 0)
1732     {
1733         if (vNodes.empty())
1734             throw JSONRPCError(-9, "PPCoin is not connected!");
1735
1736         if (IsInitialBlockDownload())
1737             throw JSONRPCError(-10, "PPCoin is downloading blocks...");
1738
1739         static CReserveKey reservekey(pwalletMain);
1740
1741         // Update block
1742         static unsigned int nTransactionsUpdatedLast;
1743         static CBlockIndex* pindexPrev;
1744         static int64 nStart;
1745         static CBlock* pblock;
1746         if (pindexPrev != pindexBest ||
1747             (nTransactionsUpdated != nTransactionsUpdatedLast && GetTime() - nStart > 5))
1748         {
1749             nTransactionsUpdatedLast = nTransactionsUpdated;
1750             pindexPrev = pindexBest;
1751             nStart = GetTime();
1752
1753             // Create new block
1754             if(pblock)
1755                 delete pblock;
1756             pblock = CreateNewBlock(pwalletMain);
1757             if (!pblock)
1758                 throw JSONRPCError(-7, "Out of memory");
1759         }
1760
1761         // Update nTime
1762         pblock->nTime = max(pindexPrev->GetMedianTimePast()+1, GetAdjustedTime());
1763         pblock->nNonce = 0;
1764
1765         Array transactions;
1766         BOOST_FOREACH(CTransaction tx, pblock->vtx) {
1767             if(tx.IsCoinBase() || tx.IsCoinStake())
1768                 continue;
1769
1770             CDataStream ssTx;
1771             ssTx << tx;
1772
1773             transactions.push_back(HexStr(ssTx.begin(), ssTx.end()));
1774         }
1775
1776         Object result;
1777         result.push_back(Pair("version", pblock->nVersion));
1778         result.push_back(Pair("previousblockhash", pblock->hashPrevBlock.GetHex()));
1779         result.push_back(Pair("transactions", transactions));
1780         result.push_back(Pair("coinbasevalue", (int64_t)pblock->vtx[0].vout[0].nValue));
1781         result.push_back(Pair("time", (int64_t)pblock->nTime));
1782
1783         union {
1784             int32_t nBits;
1785             char cBits[4];
1786         } uBits;
1787         uBits.nBits = htonl((int32_t)pblock->nBits);
1788         result.push_back(Pair("bits", HexStr(BEGIN(uBits.cBits), END(uBits.cBits))));
1789
1790         return result;
1791     }
1792     else
1793     {
1794         // Parse parameters
1795         CDataStream ssBlock(ParseHex(params[0].get_str()));
1796         CBlock pblock;
1797         ssBlock >> pblock;
1798
1799         return ProcessBlock(NULL, &pblock);
1800     }
1801 }
1802
1803
1804 // ppcoin: reset auto checkpoint
1805 Value resetcheckpoint(const Array& params, bool fHelp)
1806 {
1807     if (fHelp || params.size() < 1 || params.size() > 1)
1808         throw runtime_error(
1809             "resetcheckpoint <checkpointheight>\n"
1810             "Reset automatic checkpoint to specified height.\n"
1811             "<checkpointheight> is the height of the new checkpoint block.\n");
1812
1813     int nCheckpoint = params[0].get_int();
1814     if (nCheckpoint <= 0 || nCheckpoint >= nBestHeight)
1815         throw runtime_error(
1816             "invalid checkpoint height.\n"
1817         );
1818     if (nCheckpoint >= Checkpoints::nAutoCheckpoint)
1819         throw runtime_error(
1820             "new checkpoint must be earlier than current auto checkpoint.\n"
1821         );
1822     if (!Checkpoints::ResetAutoCheckpoint(nCheckpoint))
1823         throw runtime_error(
1824             "internal error - reset checkpoint failed.\n"
1825         );
1826
1827     return Value::null;
1828 }
1829
1830
1831 // ppcoin: get branch point of alternative branch
1832 Value getbranchpoint(const Array& params, bool fHelp)
1833 {
1834     if (fHelp || params.size() != 0)
1835         throw runtime_error(
1836             "getbranchpoint\n"
1837             "Returns height of branch point of alternative branch.\n");
1838
1839     Object result;
1840     if (Checkpoints::nBranchPoint > 0)
1841         result.push_back(Pair("branchpoint", Checkpoints::nBranchPoint));
1842     else
1843         result.push_back(Pair("branchpoint", "none"));
1844     result.push_back(Pair("checkpoint", Checkpoints::nAutoCheckpoint));
1845     return result;
1846 }
1847
1848
1849 // ppcoin: reserve balance from being staked for network protection
1850 Value reservebalance(const Array& params, bool fHelp)
1851 {
1852     if (fHelp || params.size() > 2)
1853         throw runtime_error(
1854             "reservebalance [<reserve> [amount]]\n"
1855             "<reserve> is true or false to turn balance reserve on or off.\n"
1856             "<amount> is a real and rounded to cent.\n"
1857             "Set reserve amount not participating in network protection.\n"
1858             "If no parameters provided current setting is printed.\n");
1859
1860     if (params.size() > 0)
1861     {
1862         bool fReserve = params[0].get_bool();
1863         if (fReserve)
1864         {
1865             if (params.size() == 1)
1866                 throw runtime_error("must provide amount to reserve balance.\n");
1867             int64 nAmount = AmountFromValue(params[1]);
1868             nAmount = (nAmount / CENT) * CENT;  // round to cent
1869             if (nAmount < 0)
1870                 throw runtime_error("amount cannot be negative.\n");
1871             WriteSetting("nBalanceReserve", nBalanceReserve = nAmount);
1872         }
1873         else
1874         {
1875             if (params.size() > 1)
1876                 throw runtime_error("cannot specify amount to turn off reserve.\n");
1877             WriteSetting("nBalanceReserve", nBalanceReserve = 0);
1878         }
1879     }
1880
1881     Object result;
1882     result.push_back(Pair("reserve", (nBalanceReserve > 0)));
1883     result.push_back(Pair("amount", ValueFromAmount(nBalanceReserve)));
1884     return result;
1885 }
1886
1887
1888
1889
1890
1891
1892 //
1893 // Call Table
1894 //
1895
1896 pair<string, rpcfn_type> pCallTable[] =
1897 {
1898     make_pair("help",                   &help),
1899     make_pair("stop",                   &stop),
1900     make_pair("getblockcount",          &getblockcount),
1901     make_pair("getblocknumber",         &getblocknumber),
1902     make_pair("getconnectioncount",     &getconnectioncount),
1903     make_pair("getdifficulty",          &getdifficulty),
1904     make_pair("getgenerate",            &getgenerate),
1905     make_pair("setgenerate",            &setgenerate),
1906     make_pair("gethashespersec",        &gethashespersec),
1907     make_pair("getinfo",                &getinfo),
1908     make_pair("getnewaddress",          &getnewaddress),
1909     make_pair("getaccountaddress",      &getaccountaddress),
1910     make_pair("setaccount",             &setaccount),
1911     make_pair("getaccount",             &getaccount),
1912     make_pair("getaddressesbyaccount",  &getaddressesbyaccount),
1913     make_pair("sendtoaddress",          &sendtoaddress),
1914     make_pair("getreceivedbyaddress",   &getreceivedbyaddress),
1915     make_pair("getreceivedbyaccount",   &getreceivedbyaccount),
1916     make_pair("listreceivedbyaddress",  &listreceivedbyaddress),
1917     make_pair("listreceivedbyaccount",  &listreceivedbyaccount),
1918     make_pair("backupwallet",           &backupwallet),
1919     make_pair("keypoolrefill",          &keypoolrefill),
1920     make_pair("walletpassphrase",       &walletpassphrase),
1921     make_pair("walletpassphrasechange", &walletpassphrasechange),
1922     make_pair("walletlock",             &walletlock),
1923     make_pair("encryptwallet",          &encryptwallet),
1924     make_pair("validateaddress",        &validateaddress),
1925     make_pair("getbalance",             &getbalance),
1926     make_pair("move",                   &movecmd),
1927     make_pair("sendfrom",               &sendfrom),
1928     make_pair("sendmany",               &sendmany),
1929     make_pair("gettransaction",         &gettransaction),
1930     make_pair("listtransactions",       &listtransactions),
1931     make_pair("signmessage",           &signmessage),
1932     make_pair("verifymessage",         &verifymessage),
1933     make_pair("getwork",                &getwork),
1934     make_pair("listaccounts",           &listaccounts),
1935     make_pair("settxfee",               &settxfee),
1936     make_pair("getmemorypool",          &getmemorypool),
1937     make_pair("listsinceblock",        &listsinceblock),
1938     make_pair("resetcheckpoint",        &resetcheckpoint),
1939     make_pair("getbranchpoint",         &getbranchpoint),
1940     make_pair("reservebalance",         &reservebalance),
1941 };
1942 map<string, rpcfn_type> mapCallTable(pCallTable, pCallTable + sizeof(pCallTable)/sizeof(pCallTable[0]));
1943
1944 string pAllowInSafeMode[] =
1945 {
1946     "help",
1947     "stop",
1948     "getblockcount",
1949     "getblocknumber",  // deprecated
1950     "getconnectioncount",
1951     "getdifficulty",
1952     "getgenerate",
1953     "setgenerate",
1954     "gethashespersec",
1955     "getinfo",
1956     "getnewaddress",
1957     "getaccountaddress",
1958     "getaccount",
1959     "getaddressesbyaccount",
1960     "backupwallet",
1961     "keypoolrefill",
1962     "walletpassphrase",
1963     "walletlock",
1964     "validateaddress",
1965     "getwork",
1966     "getmemorypool",
1967     "resetcheckpoint",
1968     "getbranchpoint",
1969 };
1970 set<string> setAllowInSafeMode(pAllowInSafeMode, pAllowInSafeMode + sizeof(pAllowInSafeMode)/sizeof(pAllowInSafeMode[0]));
1971
1972
1973
1974
1975 //
1976 // HTTP protocol
1977 //
1978 // This ain't Apache.  We're just using HTTP header for the length field
1979 // and to be compatible with other JSON-RPC implementations.
1980 //
1981
1982 string HTTPPost(const string& strMsg, const map<string,string>& mapRequestHeaders)
1983 {
1984     ostringstream s;
1985     s << "POST / HTTP/1.1\r\n"
1986       << "User-Agent: ppcoin-json-rpc/" << FormatFullVersion() << "\r\n"
1987       << "Host: 127.0.0.1\r\n"
1988       << "Content-Type: application/json\r\n"
1989       << "Content-Length: " << strMsg.size() << "\r\n"
1990       << "Connection: close\r\n"
1991       << "Accept: application/json\r\n";
1992     BOOST_FOREACH(const PAIRTYPE(string, string)& item, mapRequestHeaders)
1993         s << item.first << ": " << item.second << "\r\n";
1994     s << "\r\n" << strMsg;
1995
1996     return s.str();
1997 }
1998
1999 string rfc1123Time()
2000 {
2001     char buffer[64];
2002     time_t now;
2003     time(&now);
2004     struct tm* now_gmt = gmtime(&now);
2005     string locale(setlocale(LC_TIME, NULL));
2006     setlocale(LC_TIME, "C"); // we want posix (aka "C") weekday/month strings
2007     strftime(buffer, sizeof(buffer), "%a, %d %b %Y %H:%M:%S +0000", now_gmt);
2008     setlocale(LC_TIME, locale.c_str());
2009     return string(buffer);
2010 }
2011
2012 static string HTTPReply(int nStatus, const string& strMsg)
2013 {
2014     if (nStatus == 401)
2015         return strprintf("HTTP/1.0 401 Authorization Required\r\n"
2016             "Date: %s\r\n"
2017             "Server: ppcoin-json-rpc/%s\r\n"
2018             "WWW-Authenticate: Basic realm=\"jsonrpc\"\r\n"
2019             "Content-Type: text/html\r\n"
2020             "Content-Length: 296\r\n"
2021             "\r\n"
2022             "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\"\r\n"
2023             "\"http://www.w3.org/TR/1999/REC-html401-19991224/loose.dtd\">\r\n"
2024             "<HTML>\r\n"
2025             "<HEAD>\r\n"
2026             "<TITLE>Error</TITLE>\r\n"
2027             "<META HTTP-EQUIV='Content-Type' CONTENT='text/html; charset=ISO-8859-1'>\r\n"
2028             "</HEAD>\r\n"
2029             "<BODY><H1>401 Unauthorized.</H1></BODY>\r\n"
2030             "</HTML>\r\n", rfc1123Time().c_str(), FormatFullVersion().c_str());
2031     const char *cStatus;
2032          if (nStatus == 200) cStatus = "OK";
2033     else if (nStatus == 400) cStatus = "Bad Request";
2034     else if (nStatus == 403) cStatus = "Forbidden";
2035     else if (nStatus == 404) cStatus = "Not Found";
2036     else if (nStatus == 500) cStatus = "Internal Server Error";
2037     else cStatus = "";
2038     return strprintf(
2039             "HTTP/1.1 %d %s\r\n"
2040             "Date: %s\r\n"
2041             "Connection: close\r\n"
2042             "Content-Length: %d\r\n"
2043             "Content-Type: application/json\r\n"
2044             "Server: ppcoin-json-rpc/%s\r\n"
2045             "\r\n"
2046             "%s",
2047         nStatus,
2048         cStatus,
2049         rfc1123Time().c_str(),
2050         strMsg.size(),
2051         FormatFullVersion().c_str(),
2052         strMsg.c_str());
2053 }
2054
2055 int ReadHTTPStatus(std::basic_istream<char>& stream)
2056 {
2057     string str;
2058     getline(stream, str);
2059     vector<string> vWords;
2060     boost::split(vWords, str, boost::is_any_of(" "));
2061     if (vWords.size() < 2)
2062         return 500;
2063     return atoi(vWords[1].c_str());
2064 }
2065
2066 int ReadHTTPHeader(std::basic_istream<char>& stream, map<string, string>& mapHeadersRet)
2067 {
2068     int nLen = 0;
2069     loop
2070     {
2071         string str;
2072         std::getline(stream, str);
2073         if (str.empty() || str == "\r")
2074             break;
2075         string::size_type nColon = str.find(":");
2076         if (nColon != string::npos)
2077         {
2078             string strHeader = str.substr(0, nColon);
2079             boost::trim(strHeader);
2080             boost::to_lower(strHeader);
2081             string strValue = str.substr(nColon+1);
2082             boost::trim(strValue);
2083             mapHeadersRet[strHeader] = strValue;
2084             if (strHeader == "content-length")
2085                 nLen = atoi(strValue.c_str());
2086         }
2087     }
2088     return nLen;
2089 }
2090
2091 int ReadHTTP(std::basic_istream<char>& stream, map<string, string>& mapHeadersRet, string& strMessageRet)
2092 {
2093     mapHeadersRet.clear();
2094     strMessageRet = "";
2095
2096     // Read status
2097     int nStatus = ReadHTTPStatus(stream);
2098
2099     // Read header
2100     int nLen = ReadHTTPHeader(stream, mapHeadersRet);
2101     if (nLen < 0 || nLen > MAX_SIZE)
2102         return 500;
2103
2104     // Read message
2105     if (nLen > 0)
2106     {
2107         vector<char> vch(nLen);
2108         stream.read(&vch[0], nLen);
2109         strMessageRet = string(vch.begin(), vch.end());
2110     }
2111
2112     return nStatus;
2113 }
2114
2115 bool HTTPAuthorized(map<string, string>& mapHeaders)
2116 {
2117     string strAuth = mapHeaders["authorization"];
2118     if (strAuth.substr(0,6) != "Basic ")
2119         return false;
2120     string strUserPass64 = strAuth.substr(6); boost::trim(strUserPass64);
2121     string strUserPass = DecodeBase64(strUserPass64);
2122     return strUserPass == strRPCUserColonPass;
2123 }
2124
2125 //
2126 // JSON-RPC protocol.  Bitcoin speaks version 1.0 for maximum compatibility,
2127 // but uses JSON-RPC 1.1/2.0 standards for parts of the 1.0 standard that were
2128 // unspecified (HTTP errors and contents of 'error').
2129 //
2130 // 1.0 spec: http://json-rpc.org/wiki/specification
2131 // 1.2 spec: http://groups.google.com/group/json-rpc/web/json-rpc-over-http
2132 // http://www.codeproject.com/KB/recipes/JSON_Spirit.aspx
2133 //
2134
2135 string JSONRPCRequest(const string& strMethod, const Array& params, const Value& id)
2136 {
2137     Object request;
2138     request.push_back(Pair("method", strMethod));
2139     request.push_back(Pair("params", params));
2140     request.push_back(Pair("id", id));
2141     return write_string(Value(request), false) + "\n";
2142 }
2143
2144 string JSONRPCReply(const Value& result, const Value& error, const Value& id)
2145 {
2146     Object reply;
2147     if (error.type() != null_type)
2148         reply.push_back(Pair("result", Value::null));
2149     else
2150         reply.push_back(Pair("result", result));
2151     reply.push_back(Pair("error", error));
2152     reply.push_back(Pair("id", id));
2153     return write_string(Value(reply), false) + "\n";
2154 }
2155
2156 void ErrorReply(std::ostream& stream, const Object& objError, const Value& id)
2157 {
2158     // Send error reply from json-rpc error object
2159     int nStatus = 500;
2160     int code = find_value(objError, "code").get_int();
2161     if (code == -32600) nStatus = 400;
2162     else if (code == -32601) nStatus = 404;
2163     string strReply = JSONRPCReply(Value::null, objError, id);
2164     stream << HTTPReply(nStatus, strReply) << std::flush;
2165 }
2166
2167 bool ClientAllowed(const string& strAddress)
2168 {
2169     if (strAddress == asio::ip::address_v4::loopback().to_string())
2170         return true;
2171     const vector<string>& vAllow = mapMultiArgs["-rpcallowip"];
2172     BOOST_FOREACH(string strAllow, vAllow)
2173         if (WildcardMatch(strAddress, strAllow))
2174             return true;
2175     return false;
2176 }
2177
2178 #ifdef USE_SSL
2179 //
2180 // IOStream device that speaks SSL but can also speak non-SSL
2181 //
2182 class SSLIOStreamDevice : public iostreams::device<iostreams::bidirectional> {
2183 public:
2184     SSLIOStreamDevice(SSLStream &streamIn, bool fUseSSLIn) : stream(streamIn)
2185     {
2186         fUseSSL = fUseSSLIn;
2187         fNeedHandshake = fUseSSLIn;
2188     }
2189
2190     void handshake(ssl::stream_base::handshake_type role)
2191     {
2192         if (!fNeedHandshake) return;
2193         fNeedHandshake = false;
2194         stream.handshake(role);
2195     }
2196     std::streamsize read(char* s, std::streamsize n)
2197     {
2198         handshake(ssl::stream_base::server); // HTTPS servers read first
2199         if (fUseSSL) return stream.read_some(asio::buffer(s, n));
2200         return stream.next_layer().read_some(asio::buffer(s, n));
2201     }
2202     std::streamsize write(const char* s, std::streamsize n)
2203     {
2204         handshake(ssl::stream_base::client); // HTTPS clients write first
2205         if (fUseSSL) return asio::write(stream, asio::buffer(s, n));
2206         return asio::write(stream.next_layer(), asio::buffer(s, n));
2207     }
2208     bool connect(const std::string& server, const std::string& port)
2209     {
2210         ip::tcp::resolver resolver(stream.get_io_service());
2211         ip::tcp::resolver::query query(server.c_str(), port.c_str());
2212         ip::tcp::resolver::iterator endpoint_iterator = resolver.resolve(query);
2213         ip::tcp::resolver::iterator end;
2214         boost::system::error_code error = asio::error::host_not_found;
2215         while (error && endpoint_iterator != end)
2216         {
2217             stream.lowest_layer().close();
2218             stream.lowest_layer().connect(*endpoint_iterator++, error);
2219         }
2220         if (error)
2221             return false;
2222         return true;
2223     }
2224
2225 private:
2226     bool fNeedHandshake;
2227     bool fUseSSL;
2228     SSLStream& stream;
2229 };
2230 #endif
2231
2232 void ThreadRPCServer(void* parg)
2233 {
2234     IMPLEMENT_RANDOMIZE_STACK(ThreadRPCServer(parg));
2235     try
2236     {
2237         vnThreadsRunning[4]++;
2238         ThreadRPCServer2(parg);
2239         vnThreadsRunning[4]--;
2240     }
2241     catch (std::exception& e) {
2242         vnThreadsRunning[4]--;
2243         PrintException(&e, "ThreadRPCServer()");
2244     } catch (...) {
2245         vnThreadsRunning[4]--;
2246         PrintException(NULL, "ThreadRPCServer()");
2247     }
2248     printf("ThreadRPCServer exiting\n");
2249 }
2250
2251 void ThreadRPCServer2(void* parg)
2252 {
2253     printf("ThreadRPCServer started\n");
2254
2255     strRPCUserColonPass = mapArgs["-rpcuser"] + ":" + mapArgs["-rpcpassword"];
2256     if (strRPCUserColonPass == ":")
2257     {
2258         string strWhatAmI = "To use ppcoind";
2259         if (mapArgs.count("-server"))
2260             strWhatAmI = strprintf(_("To use the %s option"), "\"-server\"");
2261         else if (mapArgs.count("-daemon"))
2262             strWhatAmI = strprintf(_("To use the %s option"), "\"-daemon\"");
2263         PrintConsole(
2264             _("Error: %s, you must set rpcpassword=<password>\nin the configuration file: %s\n"
2265               "If the file does not exist, create it with owner-readable-only file permissions.\n"),
2266                 strWhatAmI.c_str(),
2267                 GetConfigFile().c_str());
2268 #ifndef QT_GUI
2269         CreateThread(Shutdown, NULL);
2270 #endif
2271         return;
2272     }
2273
2274     bool fUseSSL = GetBoolArg("-rpcssl");
2275     asio::ip::address bindAddress = mapArgs.count("-rpcallowip") ? asio::ip::address_v4::any() : asio::ip::address_v4::loopback();
2276
2277     asio::io_service io_service;
2278     ip::tcp::endpoint endpoint(bindAddress, GetArg("-rpcport", RPC_PORT));
2279     ip::tcp::acceptor acceptor(io_service, endpoint);
2280
2281     acceptor.set_option(boost::asio::ip::tcp::acceptor::reuse_address(true));
2282
2283 #ifdef USE_SSL
2284     ssl::context context(io_service, ssl::context::sslv23);
2285     if (fUseSSL)
2286     {
2287         context.set_options(ssl::context::no_sslv2);
2288         filesystem::path certfile = GetArg("-rpcsslcertificatechainfile", "server.cert");
2289         if (!certfile.is_complete()) certfile = filesystem::path(GetDataDir()) / certfile;
2290         if (filesystem::exists(certfile)) context.use_certificate_chain_file(certfile.string().c_str());
2291         else printf("ThreadRPCServer ERROR: missing server certificate file %s\n", certfile.string().c_str());
2292         filesystem::path pkfile = GetArg("-rpcsslprivatekeyfile", "server.pem");
2293         if (!pkfile.is_complete()) pkfile = filesystem::path(GetDataDir()) / pkfile;
2294         if (filesystem::exists(pkfile)) context.use_private_key_file(pkfile.string().c_str(), ssl::context::pem);
2295         else printf("ThreadRPCServer ERROR: missing server private key file %s\n", pkfile.string().c_str());
2296
2297         string ciphers = GetArg("-rpcsslciphers",
2298                                          "TLSv1+HIGH:!SSLv2:!aNULL:!eNULL:!AH:!3DES:@STRENGTH");
2299         SSL_CTX_set_cipher_list(context.impl(), ciphers.c_str());
2300     }
2301 #else
2302     if (fUseSSL)
2303         throw runtime_error("-rpcssl=1, but ppcoin compiled without full openssl libraries.");
2304 #endif
2305
2306     loop
2307     {
2308         // Accept connection
2309 #ifdef USE_SSL
2310         SSLStream sslStream(io_service, context);
2311         SSLIOStreamDevice d(sslStream, fUseSSL);
2312         iostreams::stream<SSLIOStreamDevice> stream(d);
2313 #else
2314         ip::tcp::iostream stream;
2315 #endif
2316
2317         ip::tcp::endpoint peer;
2318         vnThreadsRunning[4]--;
2319 #ifdef USE_SSL
2320         acceptor.accept(sslStream.lowest_layer(), peer);
2321 #else
2322         acceptor.accept(*stream.rdbuf(), peer);
2323 #endif
2324         vnThreadsRunning[4]++;
2325         if (fShutdown)
2326             return;
2327
2328         // Restrict callers by IP
2329         if (!ClientAllowed(peer.address().to_string()))
2330         {
2331             // Only send a 403 if we're not using SSL to prevent a DoS during the SSL handshake.
2332             if (!fUseSSL)
2333                 stream << HTTPReply(403, "") << std::flush;
2334             continue;
2335         }
2336
2337         map<string, string> mapHeaders;
2338         string strRequest;
2339
2340         boost::thread api_caller(ReadHTTP, boost::ref(stream), boost::ref(mapHeaders), boost::ref(strRequest));
2341         if (!api_caller.timed_join(boost::posix_time::seconds(GetArg("-rpctimeout", 30))))
2342         {   // Timed out:
2343             acceptor.cancel();
2344             printf("ThreadRPCServer ReadHTTP timeout\n");
2345             continue;
2346         }
2347
2348         // Check authorization
2349         if (mapHeaders.count("authorization") == 0)
2350         {
2351             stream << HTTPReply(401, "") << std::flush;
2352             continue;
2353         }
2354         if (!HTTPAuthorized(mapHeaders))
2355         {
2356             // Deter brute-forcing short passwords
2357             if (mapArgs["-rpcpassword"].size() < 15)
2358                 Sleep(50);
2359
2360             stream << HTTPReply(401, "") << std::flush;
2361             printf("ThreadRPCServer incorrect password attempt\n");
2362             continue;
2363         }
2364
2365         Value id = Value::null;
2366         try
2367         {
2368             // Parse request
2369             Value valRequest;
2370             if (!read_string(strRequest, valRequest) || valRequest.type() != obj_type)
2371                 throw JSONRPCError(-32700, "Parse error");
2372             const Object& request = valRequest.get_obj();
2373
2374             // Parse id now so errors from here on will have the id
2375             id = find_value(request, "id");
2376
2377             // Parse method
2378             Value valMethod = find_value(request, "method");
2379             if (valMethod.type() == null_type)
2380                 throw JSONRPCError(-32600, "Missing method");
2381             if (valMethod.type() != str_type)
2382                 throw JSONRPCError(-32600, "Method must be a string");
2383             string strMethod = valMethod.get_str();
2384             if (strMethod != "getwork" && strMethod != "getmemorypool")
2385                 printf("ThreadRPCServer method=%s\n", strMethod.c_str());
2386
2387             // Parse params
2388             Value valParams = find_value(request, "params");
2389             Array params;
2390             if (valParams.type() == array_type)
2391                 params = valParams.get_array();
2392             else if (valParams.type() == null_type)
2393                 params = Array();
2394             else
2395                 throw JSONRPCError(-32600, "Params must be an array");
2396
2397             // Find method
2398             map<string, rpcfn_type>::iterator mi = mapCallTable.find(strMethod);
2399             if (mi == mapCallTable.end())
2400                 throw JSONRPCError(-32601, "Method not found");
2401
2402             // Observe safe mode
2403             string strWarning = GetWarnings("rpc");
2404             if (strWarning != "" && !GetBoolArg("-disablesafemode") && !setAllowInSafeMode.count(strMethod))
2405                 throw JSONRPCError(-2, string("Safe mode: ") + strWarning);
2406
2407             try
2408             {
2409                 // Execute
2410                 Value result;
2411                 CRITICAL_BLOCK(cs_main)
2412                 CRITICAL_BLOCK(pwalletMain->cs_wallet)
2413                     result = (*(*mi).second)(params, false);
2414
2415                 // Send reply
2416                 string strReply = JSONRPCReply(result, Value::null, id);
2417                 stream << HTTPReply(200, strReply) << std::flush;
2418             }
2419             catch (std::exception& e)
2420             {
2421                 ErrorReply(stream, JSONRPCError(-1, e.what()), id);
2422             }
2423         }
2424         catch (Object& objError)
2425         {
2426             ErrorReply(stream, objError, id);
2427         }
2428         catch (std::exception& e)
2429         {
2430             ErrorReply(stream, JSONRPCError(-32700, e.what()), id);
2431         }
2432     }
2433 }
2434
2435
2436
2437
2438 Object CallRPC(const string& strMethod, const Array& params)
2439 {
2440     if (mapArgs["-rpcuser"] == "" && mapArgs["-rpcpassword"] == "")
2441         throw runtime_error(strprintf(
2442             _("You must set rpcpassword=<password> in the configuration file:\n%s\n"
2443               "If the file does not exist, create it with owner-readable-only file permissions."),
2444                 GetConfigFile().c_str()));
2445
2446     // Connect to localhost
2447     bool fUseSSL = GetBoolArg("-rpcssl");
2448 #ifdef USE_SSL
2449     asio::io_service io_service;
2450     ssl::context context(io_service, ssl::context::sslv23);
2451     context.set_options(ssl::context::no_sslv2);
2452     SSLStream sslStream(io_service, context);
2453     SSLIOStreamDevice d(sslStream, fUseSSL);
2454     iostreams::stream<SSLIOStreamDevice> stream(d);
2455     if (!d.connect(GetArg("-rpcconnect", "127.0.0.1"), GetArg("-rpcport", CBigNum(RPC_PORT).ToString().c_str())))
2456         throw runtime_error("couldn't connect to server");
2457 #else
2458     if (fUseSSL)
2459         throw runtime_error("-rpcssl=1, but ppcoin compiled without full openssl libraries.");
2460
2461     ip::tcp::iostream stream(GetArg("-rpcconnect", "127.0.0.1"), GetArg("-rpcport", CBigNum(RPC_PORT).ToString().c_str()));
2462     if (stream.fail())
2463         throw runtime_error("couldn't connect to server");
2464 #endif
2465
2466
2467     // HTTP basic authentication
2468     string strUserPass64 = EncodeBase64(mapArgs["-rpcuser"] + ":" + mapArgs["-rpcpassword"]);
2469     map<string, string> mapRequestHeaders;
2470     mapRequestHeaders["Authorization"] = string("Basic ") + strUserPass64;
2471
2472     // Send request
2473     string strRequest = JSONRPCRequest(strMethod, params, 1);
2474     string strPost = HTTPPost(strRequest, mapRequestHeaders);
2475     stream << strPost << std::flush;
2476
2477     // Receive reply
2478     map<string, string> mapHeaders;
2479     string strReply;
2480     int nStatus = ReadHTTP(stream, mapHeaders, strReply);
2481     if (nStatus == 401)
2482         throw runtime_error("incorrect rpcuser or rpcpassword (authorization failed)");
2483     else if (nStatus >= 400 && nStatus != 400 && nStatus != 404 && nStatus != 500)
2484         throw runtime_error(strprintf("server returned HTTP error %d", nStatus));
2485     else if (strReply.empty())
2486         throw runtime_error("no response from server");
2487
2488     // Parse reply
2489     Value valReply;
2490     if (!read_string(strReply, valReply))
2491         throw runtime_error("couldn't parse reply from server");
2492     const Object& reply = valReply.get_obj();
2493     if (reply.empty())
2494         throw runtime_error("expected reply to have result, error and id properties");
2495
2496     return reply;
2497 }
2498
2499
2500
2501
2502 template<typename T>
2503 void ConvertTo(Value& value)
2504 {
2505     if (value.type() == str_type)
2506     {
2507         // reinterpret string as unquoted json value
2508         Value value2;
2509         if (!read_string(value.get_str(), value2))
2510             throw runtime_error("type mismatch");
2511         value = value2.get_value<T>();
2512     }
2513     else
2514     {
2515         value = value.get_value<T>();
2516     }
2517 }
2518
2519 int CommandLineRPC(int argc, char *argv[])
2520 {
2521     string strPrint;
2522     int nRet = 0;
2523     try
2524     {
2525         // Skip switches
2526         while (argc > 1 && IsSwitchChar(argv[1][0]))
2527         {
2528             argc--;
2529             argv++;
2530         }
2531
2532         // Method
2533         if (argc < 2)
2534             throw runtime_error("too few parameters");
2535         string strMethod = argv[1];
2536
2537         // Parameters default to strings
2538         Array params;
2539         for (int i = 2; i < argc; i++)
2540             params.push_back(argv[i]);
2541         int n = params.size();
2542
2543         //
2544         // Special case non-string parameter types
2545         //
2546         if (strMethod == "setgenerate"            && n > 0) ConvertTo<bool>(params[0]);
2547         if (strMethod == "setgenerate"            && n > 1) ConvertTo<boost::int64_t>(params[1]);
2548         if (strMethod == "sendtoaddress"          && n > 1) ConvertTo<double>(params[1]);
2549         if (strMethod == "settxfee"               && n > 0) ConvertTo<double>(params[0]);
2550         if (strMethod == "getreceivedbyaddress"   && n > 1) ConvertTo<boost::int64_t>(params[1]);
2551         if (strMethod == "getreceivedbyaccount"   && n > 1) ConvertTo<boost::int64_t>(params[1]);
2552         if (strMethod == "listreceivedbyaddress"  && n > 0) ConvertTo<boost::int64_t>(params[0]);
2553         if (strMethod == "listreceivedbyaddress"  && n > 1) ConvertTo<bool>(params[1]);
2554         if (strMethod == "listreceivedbyaccount"  && n > 0) ConvertTo<boost::int64_t>(params[0]);
2555         if (strMethod == "listreceivedbyaccount"  && n > 1) ConvertTo<bool>(params[1]);
2556         if (strMethod == "getbalance"             && n > 1) ConvertTo<boost::int64_t>(params[1]);
2557         if (strMethod == "move"                   && n > 2) ConvertTo<double>(params[2]);
2558         if (strMethod == "move"                   && n > 3) ConvertTo<boost::int64_t>(params[3]);
2559         if (strMethod == "sendfrom"               && n > 2) ConvertTo<double>(params[2]);
2560         if (strMethod == "sendfrom"               && n > 3) ConvertTo<boost::int64_t>(params[3]);
2561         if (strMethod == "listtransactions"       && n > 1) ConvertTo<boost::int64_t>(params[1]);
2562         if (strMethod == "listtransactions"       && n > 2) ConvertTo<boost::int64_t>(params[2]);
2563         if (strMethod == "listaccounts"           && n > 0) ConvertTo<boost::int64_t>(params[0]);
2564         if (strMethod == "walletpassphrase"       && n > 1) ConvertTo<boost::int64_t>(params[1]);
2565         if (strMethod == "walletpassphrase"       && n > 2) ConvertTo<bool>(params[2]);
2566         if (strMethod == "listsinceblock"         && n > 1) ConvertTo<boost::int64_t>(params[1]);
2567         if (strMethod == "sendmany"               && n > 1)
2568         {
2569             string s = params[1].get_str();
2570             Value v;
2571             if (!read_string(s, v) || v.type() != obj_type)
2572                 throw runtime_error("type mismatch");
2573             params[1] = v.get_obj();
2574         }
2575         if (strMethod == "sendmany"                && n > 2) ConvertTo<boost::int64_t>(params[2]);
2576         if (strMethod == "resetcheckpoint"         && n > 0) ConvertTo<boost::int64_t>(params[0]);
2577         if (strMethod == "reservebalance"          && n > 0) ConvertTo<bool>(params[0]);
2578         if (strMethod == "reservebalance"          && n > 1) ConvertTo<double>(params[1]);
2579
2580         // Execute
2581         Object reply = CallRPC(strMethod, params);
2582
2583         // Parse reply
2584         const Value& result = find_value(reply, "result");
2585         const Value& error  = find_value(reply, "error");
2586
2587         if (error.type() != null_type)
2588         {
2589             // Error
2590             strPrint = "error: " + write_string(error, false);
2591             int code = find_value(error.get_obj(), "code").get_int();
2592             nRet = abs(code);
2593         }
2594         else
2595         {
2596             // Result
2597             if (result.type() == null_type)
2598                 strPrint = "";
2599             else if (result.type() == str_type)
2600                 strPrint = result.get_str();
2601             else
2602                 strPrint = write_string(result, true);
2603         }
2604     }
2605     catch (std::exception& e)
2606     {
2607         strPrint = string("error: ") + e.what();
2608         nRet = 87;
2609     }
2610     catch (...)
2611     {
2612         PrintException(NULL, "CommandLineRPC()");
2613     }
2614
2615     if (strPrint != "")
2616     {
2617         fprintf((nRet == 0 ? stdout : stderr), "%s\n", strPrint.c_str());
2618     }
2619     return nRet;
2620 }
2621
2622
2623
2624
2625 #ifdef TEST
2626 int main(int argc, char *argv[])
2627 {
2628 #ifdef _MSC_VER
2629     // Turn off microsoft heap dump noise
2630     _CrtSetReportMode(_CRT_WARN, _CRTDBG_MODE_FILE);
2631     _CrtSetReportFile(_CRT_WARN, CreateFile("NUL", GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, 0));
2632 #endif
2633     setbuf(stdin, NULL);
2634     setbuf(stdout, NULL);
2635     setbuf(stderr, NULL);
2636
2637     try
2638     {
2639         if (argc >= 2 && string(argv[1]) == "-server")
2640         {
2641             printf("server ready\n");
2642             ThreadRPCServer(NULL);
2643         }
2644         else
2645         {
2646             return CommandLineRPC(argc, argv);
2647         }
2648     }
2649     catch (std::exception& e) {
2650         PrintException(&e, "main()");
2651     } catch (...) {
2652         PrintException(NULL, "main()");
2653     }
2654     return 0;
2655 }
2656 #endif