PPCoin: Add RPC command 'checkwallet'
[novacoin.git] / 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 // ppcoin: check wallet integrity
1889 Value checkwallet(const Array& params, bool fHelp)
1890 {
1891     if (fHelp || params.size() > 0)
1892         throw runtime_error(
1893             "checkwallet\n"
1894             "Check wallet for integrity.\n");
1895
1896     int nMismatchSpent;
1897     int64 nBalanceInQuestion;
1898     if (!pwalletMain->CheckSpentCoins(nMismatchSpent, nBalanceInQuestion))
1899     {
1900         Object result;
1901         result.push_back(Pair("mismatched spent coins", nMismatchSpent));
1902         result.push_back(Pair("amount in question", ValueFromAmount(nBalanceInQuestion)));
1903         return result;
1904     }
1905     return Value::null;
1906 }
1907
1908
1909
1910
1911
1912
1913 //
1914 // Call Table
1915 //
1916
1917 pair<string, rpcfn_type> pCallTable[] =
1918 {
1919     make_pair("help",                   &help),
1920     make_pair("stop",                   &stop),
1921     make_pair("getblockcount",          &getblockcount),
1922     make_pair("getblocknumber",         &getblocknumber),
1923     make_pair("getconnectioncount",     &getconnectioncount),
1924     make_pair("getdifficulty",          &getdifficulty),
1925     make_pair("getgenerate",            &getgenerate),
1926     make_pair("setgenerate",            &setgenerate),
1927     make_pair("gethashespersec",        &gethashespersec),
1928     make_pair("getinfo",                &getinfo),
1929     make_pair("getnewaddress",          &getnewaddress),
1930     make_pair("getaccountaddress",      &getaccountaddress),
1931     make_pair("setaccount",             &setaccount),
1932     make_pair("getaccount",             &getaccount),
1933     make_pair("getaddressesbyaccount",  &getaddressesbyaccount),
1934     make_pair("sendtoaddress",          &sendtoaddress),
1935     make_pair("getreceivedbyaddress",   &getreceivedbyaddress),
1936     make_pair("getreceivedbyaccount",   &getreceivedbyaccount),
1937     make_pair("listreceivedbyaddress",  &listreceivedbyaddress),
1938     make_pair("listreceivedbyaccount",  &listreceivedbyaccount),
1939     make_pair("backupwallet",           &backupwallet),
1940     make_pair("keypoolrefill",          &keypoolrefill),
1941     make_pair("walletpassphrase",       &walletpassphrase),
1942     make_pair("walletpassphrasechange", &walletpassphrasechange),
1943     make_pair("walletlock",             &walletlock),
1944     make_pair("encryptwallet",          &encryptwallet),
1945     make_pair("validateaddress",        &validateaddress),
1946     make_pair("getbalance",             &getbalance),
1947     make_pair("move",                   &movecmd),
1948     make_pair("sendfrom",               &sendfrom),
1949     make_pair("sendmany",               &sendmany),
1950     make_pair("gettransaction",         &gettransaction),
1951     make_pair("listtransactions",       &listtransactions),
1952     make_pair("signmessage",           &signmessage),
1953     make_pair("verifymessage",         &verifymessage),
1954     make_pair("getwork",                &getwork),
1955     make_pair("listaccounts",           &listaccounts),
1956     make_pair("settxfee",               &settxfee),
1957     make_pair("getmemorypool",          &getmemorypool),
1958     make_pair("listsinceblock",        &listsinceblock),
1959     make_pair("resetcheckpoint",        &resetcheckpoint),
1960     make_pair("getbranchpoint",         &getbranchpoint),
1961     make_pair("reservebalance",         &reservebalance),
1962     make_pair("checkwallet",            &checkwallet),
1963 };
1964 map<string, rpcfn_type> mapCallTable(pCallTable, pCallTable + sizeof(pCallTable)/sizeof(pCallTable[0]));
1965
1966 string pAllowInSafeMode[] =
1967 {
1968     "help",
1969     "stop",
1970     "getblockcount",
1971     "getblocknumber",  // deprecated
1972     "getconnectioncount",
1973     "getdifficulty",
1974     "getgenerate",
1975     "setgenerate",
1976     "gethashespersec",
1977     "getinfo",
1978     "getnewaddress",
1979     "getaccountaddress",
1980     "getaccount",
1981     "getaddressesbyaccount",
1982     "backupwallet",
1983     "keypoolrefill",
1984     "walletpassphrase",
1985     "walletlock",
1986     "validateaddress",
1987     "getwork",
1988     "getmemorypool",
1989     "resetcheckpoint",
1990     "getbranchpoint",
1991 };
1992 set<string> setAllowInSafeMode(pAllowInSafeMode, pAllowInSafeMode + sizeof(pAllowInSafeMode)/sizeof(pAllowInSafeMode[0]));
1993
1994
1995
1996
1997 //
1998 // HTTP protocol
1999 //
2000 // This ain't Apache.  We're just using HTTP header for the length field
2001 // and to be compatible with other JSON-RPC implementations.
2002 //
2003
2004 string HTTPPost(const string& strMsg, const map<string,string>& mapRequestHeaders)
2005 {
2006     ostringstream s;
2007     s << "POST / HTTP/1.1\r\n"
2008       << "User-Agent: ppcoin-json-rpc/" << FormatFullVersion() << "\r\n"
2009       << "Host: 127.0.0.1\r\n"
2010       << "Content-Type: application/json\r\n"
2011       << "Content-Length: " << strMsg.size() << "\r\n"
2012       << "Connection: close\r\n"
2013       << "Accept: application/json\r\n";
2014     BOOST_FOREACH(const PAIRTYPE(string, string)& item, mapRequestHeaders)
2015         s << item.first << ": " << item.second << "\r\n";
2016     s << "\r\n" << strMsg;
2017
2018     return s.str();
2019 }
2020
2021 string rfc1123Time()
2022 {
2023     char buffer[64];
2024     time_t now;
2025     time(&now);
2026     struct tm* now_gmt = gmtime(&now);
2027     string locale(setlocale(LC_TIME, NULL));
2028     setlocale(LC_TIME, "C"); // we want posix (aka "C") weekday/month strings
2029     strftime(buffer, sizeof(buffer), "%a, %d %b %Y %H:%M:%S +0000", now_gmt);
2030     setlocale(LC_TIME, locale.c_str());
2031     return string(buffer);
2032 }
2033
2034 static string HTTPReply(int nStatus, const string& strMsg)
2035 {
2036     if (nStatus == 401)
2037         return strprintf("HTTP/1.0 401 Authorization Required\r\n"
2038             "Date: %s\r\n"
2039             "Server: ppcoin-json-rpc/%s\r\n"
2040             "WWW-Authenticate: Basic realm=\"jsonrpc\"\r\n"
2041             "Content-Type: text/html\r\n"
2042             "Content-Length: 296\r\n"
2043             "\r\n"
2044             "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\"\r\n"
2045             "\"http://www.w3.org/TR/1999/REC-html401-19991224/loose.dtd\">\r\n"
2046             "<HTML>\r\n"
2047             "<HEAD>\r\n"
2048             "<TITLE>Error</TITLE>\r\n"
2049             "<META HTTP-EQUIV='Content-Type' CONTENT='text/html; charset=ISO-8859-1'>\r\n"
2050             "</HEAD>\r\n"
2051             "<BODY><H1>401 Unauthorized.</H1></BODY>\r\n"
2052             "</HTML>\r\n", rfc1123Time().c_str(), FormatFullVersion().c_str());
2053     const char *cStatus;
2054          if (nStatus == 200) cStatus = "OK";
2055     else if (nStatus == 400) cStatus = "Bad Request";
2056     else if (nStatus == 403) cStatus = "Forbidden";
2057     else if (nStatus == 404) cStatus = "Not Found";
2058     else if (nStatus == 500) cStatus = "Internal Server Error";
2059     else cStatus = "";
2060     return strprintf(
2061             "HTTP/1.1 %d %s\r\n"
2062             "Date: %s\r\n"
2063             "Connection: close\r\n"
2064             "Content-Length: %d\r\n"
2065             "Content-Type: application/json\r\n"
2066             "Server: ppcoin-json-rpc/%s\r\n"
2067             "\r\n"
2068             "%s",
2069         nStatus,
2070         cStatus,
2071         rfc1123Time().c_str(),
2072         strMsg.size(),
2073         FormatFullVersion().c_str(),
2074         strMsg.c_str());
2075 }
2076
2077 int ReadHTTPStatus(std::basic_istream<char>& stream)
2078 {
2079     string str;
2080     getline(stream, str);
2081     vector<string> vWords;
2082     boost::split(vWords, str, boost::is_any_of(" "));
2083     if (vWords.size() < 2)
2084         return 500;
2085     return atoi(vWords[1].c_str());
2086 }
2087
2088 int ReadHTTPHeader(std::basic_istream<char>& stream, map<string, string>& mapHeadersRet)
2089 {
2090     int nLen = 0;
2091     loop
2092     {
2093         string str;
2094         std::getline(stream, str);
2095         if (str.empty() || str == "\r")
2096             break;
2097         string::size_type nColon = str.find(":");
2098         if (nColon != string::npos)
2099         {
2100             string strHeader = str.substr(0, nColon);
2101             boost::trim(strHeader);
2102             boost::to_lower(strHeader);
2103             string strValue = str.substr(nColon+1);
2104             boost::trim(strValue);
2105             mapHeadersRet[strHeader] = strValue;
2106             if (strHeader == "content-length")
2107                 nLen = atoi(strValue.c_str());
2108         }
2109     }
2110     return nLen;
2111 }
2112
2113 int ReadHTTP(std::basic_istream<char>& stream, map<string, string>& mapHeadersRet, string& strMessageRet)
2114 {
2115     mapHeadersRet.clear();
2116     strMessageRet = "";
2117
2118     // Read status
2119     int nStatus = ReadHTTPStatus(stream);
2120
2121     // Read header
2122     int nLen = ReadHTTPHeader(stream, mapHeadersRet);
2123     if (nLen < 0 || nLen > MAX_SIZE)
2124         return 500;
2125
2126     // Read message
2127     if (nLen > 0)
2128     {
2129         vector<char> vch(nLen);
2130         stream.read(&vch[0], nLen);
2131         strMessageRet = string(vch.begin(), vch.end());
2132     }
2133
2134     return nStatus;
2135 }
2136
2137 bool HTTPAuthorized(map<string, string>& mapHeaders)
2138 {
2139     string strAuth = mapHeaders["authorization"];
2140     if (strAuth.substr(0,6) != "Basic ")
2141         return false;
2142     string strUserPass64 = strAuth.substr(6); boost::trim(strUserPass64);
2143     string strUserPass = DecodeBase64(strUserPass64);
2144     return strUserPass == strRPCUserColonPass;
2145 }
2146
2147 //
2148 // JSON-RPC protocol.  Bitcoin speaks version 1.0 for maximum compatibility,
2149 // but uses JSON-RPC 1.1/2.0 standards for parts of the 1.0 standard that were
2150 // unspecified (HTTP errors and contents of 'error').
2151 //
2152 // 1.0 spec: http://json-rpc.org/wiki/specification
2153 // 1.2 spec: http://groups.google.com/group/json-rpc/web/json-rpc-over-http
2154 // http://www.codeproject.com/KB/recipes/JSON_Spirit.aspx
2155 //
2156
2157 string JSONRPCRequest(const string& strMethod, const Array& params, const Value& id)
2158 {
2159     Object request;
2160     request.push_back(Pair("method", strMethod));
2161     request.push_back(Pair("params", params));
2162     request.push_back(Pair("id", id));
2163     return write_string(Value(request), false) + "\n";
2164 }
2165
2166 string JSONRPCReply(const Value& result, const Value& error, const Value& id)
2167 {
2168     Object reply;
2169     if (error.type() != null_type)
2170         reply.push_back(Pair("result", Value::null));
2171     else
2172         reply.push_back(Pair("result", result));
2173     reply.push_back(Pair("error", error));
2174     reply.push_back(Pair("id", id));
2175     return write_string(Value(reply), false) + "\n";
2176 }
2177
2178 void ErrorReply(std::ostream& stream, const Object& objError, const Value& id)
2179 {
2180     // Send error reply from json-rpc error object
2181     int nStatus = 500;
2182     int code = find_value(objError, "code").get_int();
2183     if (code == -32600) nStatus = 400;
2184     else if (code == -32601) nStatus = 404;
2185     string strReply = JSONRPCReply(Value::null, objError, id);
2186     stream << HTTPReply(nStatus, strReply) << std::flush;
2187 }
2188
2189 bool ClientAllowed(const string& strAddress)
2190 {
2191     if (strAddress == asio::ip::address_v4::loopback().to_string())
2192         return true;
2193     const vector<string>& vAllow = mapMultiArgs["-rpcallowip"];
2194     BOOST_FOREACH(string strAllow, vAllow)
2195         if (WildcardMatch(strAddress, strAllow))
2196             return true;
2197     return false;
2198 }
2199
2200 #ifdef USE_SSL
2201 //
2202 // IOStream device that speaks SSL but can also speak non-SSL
2203 //
2204 class SSLIOStreamDevice : public iostreams::device<iostreams::bidirectional> {
2205 public:
2206     SSLIOStreamDevice(SSLStream &streamIn, bool fUseSSLIn) : stream(streamIn)
2207     {
2208         fUseSSL = fUseSSLIn;
2209         fNeedHandshake = fUseSSLIn;
2210     }
2211
2212     void handshake(ssl::stream_base::handshake_type role)
2213     {
2214         if (!fNeedHandshake) return;
2215         fNeedHandshake = false;
2216         stream.handshake(role);
2217     }
2218     std::streamsize read(char* s, std::streamsize n)
2219     {
2220         handshake(ssl::stream_base::server); // HTTPS servers read first
2221         if (fUseSSL) return stream.read_some(asio::buffer(s, n));
2222         return stream.next_layer().read_some(asio::buffer(s, n));
2223     }
2224     std::streamsize write(const char* s, std::streamsize n)
2225     {
2226         handshake(ssl::stream_base::client); // HTTPS clients write first
2227         if (fUseSSL) return asio::write(stream, asio::buffer(s, n));
2228         return asio::write(stream.next_layer(), asio::buffer(s, n));
2229     }
2230     bool connect(const std::string& server, const std::string& port)
2231     {
2232         ip::tcp::resolver resolver(stream.get_io_service());
2233         ip::tcp::resolver::query query(server.c_str(), port.c_str());
2234         ip::tcp::resolver::iterator endpoint_iterator = resolver.resolve(query);
2235         ip::tcp::resolver::iterator end;
2236         boost::system::error_code error = asio::error::host_not_found;
2237         while (error && endpoint_iterator != end)
2238         {
2239             stream.lowest_layer().close();
2240             stream.lowest_layer().connect(*endpoint_iterator++, error);
2241         }
2242         if (error)
2243             return false;
2244         return true;
2245     }
2246
2247 private:
2248     bool fNeedHandshake;
2249     bool fUseSSL;
2250     SSLStream& stream;
2251 };
2252 #endif
2253
2254 void ThreadRPCServer(void* parg)
2255 {
2256     IMPLEMENT_RANDOMIZE_STACK(ThreadRPCServer(parg));
2257     try
2258     {
2259         vnThreadsRunning[4]++;
2260         ThreadRPCServer2(parg);
2261         vnThreadsRunning[4]--;
2262     }
2263     catch (std::exception& e) {
2264         vnThreadsRunning[4]--;
2265         PrintException(&e, "ThreadRPCServer()");
2266     } catch (...) {
2267         vnThreadsRunning[4]--;
2268         PrintException(NULL, "ThreadRPCServer()");
2269     }
2270     printf("ThreadRPCServer exiting\n");
2271 }
2272
2273 void ThreadRPCServer2(void* parg)
2274 {
2275     printf("ThreadRPCServer started\n");
2276
2277     strRPCUserColonPass = mapArgs["-rpcuser"] + ":" + mapArgs["-rpcpassword"];
2278     if (strRPCUserColonPass == ":")
2279     {
2280         string strWhatAmI = "To use ppcoind";
2281         if (mapArgs.count("-server"))
2282             strWhatAmI = strprintf(_("To use the %s option"), "\"-server\"");
2283         else if (mapArgs.count("-daemon"))
2284             strWhatAmI = strprintf(_("To use the %s option"), "\"-daemon\"");
2285         PrintConsole(
2286             _("Error: %s, you must set rpcpassword=<password>\nin the configuration file: %s\n"
2287               "If the file does not exist, create it with owner-readable-only file permissions.\n"),
2288                 strWhatAmI.c_str(),
2289                 GetConfigFile().c_str());
2290 #ifndef QT_GUI
2291         CreateThread(Shutdown, NULL);
2292 #endif
2293         return;
2294     }
2295
2296     bool fUseSSL = GetBoolArg("-rpcssl");
2297     asio::ip::address bindAddress = mapArgs.count("-rpcallowip") ? asio::ip::address_v4::any() : asio::ip::address_v4::loopback();
2298
2299     asio::io_service io_service;
2300     ip::tcp::endpoint endpoint(bindAddress, GetArg("-rpcport", RPC_PORT));
2301     ip::tcp::acceptor acceptor(io_service, endpoint);
2302
2303     acceptor.set_option(boost::asio::ip::tcp::acceptor::reuse_address(true));
2304
2305 #ifdef USE_SSL
2306     ssl::context context(io_service, ssl::context::sslv23);
2307     if (fUseSSL)
2308     {
2309         context.set_options(ssl::context::no_sslv2);
2310         filesystem::path certfile = GetArg("-rpcsslcertificatechainfile", "server.cert");
2311         if (!certfile.is_complete()) certfile = filesystem::path(GetDataDir()) / certfile;
2312         if (filesystem::exists(certfile)) context.use_certificate_chain_file(certfile.string().c_str());
2313         else printf("ThreadRPCServer ERROR: missing server certificate file %s\n", certfile.string().c_str());
2314         filesystem::path pkfile = GetArg("-rpcsslprivatekeyfile", "server.pem");
2315         if (!pkfile.is_complete()) pkfile = filesystem::path(GetDataDir()) / pkfile;
2316         if (filesystem::exists(pkfile)) context.use_private_key_file(pkfile.string().c_str(), ssl::context::pem);
2317         else printf("ThreadRPCServer ERROR: missing server private key file %s\n", pkfile.string().c_str());
2318
2319         string ciphers = GetArg("-rpcsslciphers",
2320                                          "TLSv1+HIGH:!SSLv2:!aNULL:!eNULL:!AH:!3DES:@STRENGTH");
2321         SSL_CTX_set_cipher_list(context.impl(), ciphers.c_str());
2322     }
2323 #else
2324     if (fUseSSL)
2325         throw runtime_error("-rpcssl=1, but ppcoin compiled without full openssl libraries.");
2326 #endif
2327
2328     loop
2329     {
2330         // Accept connection
2331 #ifdef USE_SSL
2332         SSLStream sslStream(io_service, context);
2333         SSLIOStreamDevice d(sslStream, fUseSSL);
2334         iostreams::stream<SSLIOStreamDevice> stream(d);
2335 #else
2336         ip::tcp::iostream stream;
2337 #endif
2338
2339         ip::tcp::endpoint peer;
2340         vnThreadsRunning[4]--;
2341 #ifdef USE_SSL
2342         acceptor.accept(sslStream.lowest_layer(), peer);
2343 #else
2344         acceptor.accept(*stream.rdbuf(), peer);
2345 #endif
2346         vnThreadsRunning[4]++;
2347         if (fShutdown)
2348             return;
2349
2350         // Restrict callers by IP
2351         if (!ClientAllowed(peer.address().to_string()))
2352         {
2353             // Only send a 403 if we're not using SSL to prevent a DoS during the SSL handshake.
2354             if (!fUseSSL)
2355                 stream << HTTPReply(403, "") << std::flush;
2356             continue;
2357         }
2358
2359         map<string, string> mapHeaders;
2360         string strRequest;
2361
2362         boost::thread api_caller(ReadHTTP, boost::ref(stream), boost::ref(mapHeaders), boost::ref(strRequest));
2363         if (!api_caller.timed_join(boost::posix_time::seconds(GetArg("-rpctimeout", 30))))
2364         {   // Timed out:
2365             acceptor.cancel();
2366             printf("ThreadRPCServer ReadHTTP timeout\n");
2367             continue;
2368         }
2369
2370         // Check authorization
2371         if (mapHeaders.count("authorization") == 0)
2372         {
2373             stream << HTTPReply(401, "") << std::flush;
2374             continue;
2375         }
2376         if (!HTTPAuthorized(mapHeaders))
2377         {
2378             // Deter brute-forcing short passwords
2379             if (mapArgs["-rpcpassword"].size() < 15)
2380                 Sleep(50);
2381
2382             stream << HTTPReply(401, "") << std::flush;
2383             printf("ThreadRPCServer incorrect password attempt\n");
2384             continue;
2385         }
2386
2387         Value id = Value::null;
2388         try
2389         {
2390             // Parse request
2391             Value valRequest;
2392             if (!read_string(strRequest, valRequest) || valRequest.type() != obj_type)
2393                 throw JSONRPCError(-32700, "Parse error");
2394             const Object& request = valRequest.get_obj();
2395
2396             // Parse id now so errors from here on will have the id
2397             id = find_value(request, "id");
2398
2399             // Parse method
2400             Value valMethod = find_value(request, "method");
2401             if (valMethod.type() == null_type)
2402                 throw JSONRPCError(-32600, "Missing method");
2403             if (valMethod.type() != str_type)
2404                 throw JSONRPCError(-32600, "Method must be a string");
2405             string strMethod = valMethod.get_str();
2406             if (strMethod != "getwork" && strMethod != "getmemorypool")
2407                 printf("ThreadRPCServer method=%s\n", strMethod.c_str());
2408
2409             // Parse params
2410             Value valParams = find_value(request, "params");
2411             Array params;
2412             if (valParams.type() == array_type)
2413                 params = valParams.get_array();
2414             else if (valParams.type() == null_type)
2415                 params = Array();
2416             else
2417                 throw JSONRPCError(-32600, "Params must be an array");
2418
2419             // Find method
2420             map<string, rpcfn_type>::iterator mi = mapCallTable.find(strMethod);
2421             if (mi == mapCallTable.end())
2422                 throw JSONRPCError(-32601, "Method not found");
2423
2424             // Observe safe mode
2425             string strWarning = GetWarnings("rpc");
2426             if (strWarning != "" && !GetBoolArg("-disablesafemode") && !setAllowInSafeMode.count(strMethod))
2427                 throw JSONRPCError(-2, string("Safe mode: ") + strWarning);
2428
2429             try
2430             {
2431                 // Execute
2432                 Value result;
2433                 CRITICAL_BLOCK(cs_main)
2434                 CRITICAL_BLOCK(pwalletMain->cs_wallet)
2435                     result = (*(*mi).second)(params, false);
2436
2437                 // Send reply
2438                 string strReply = JSONRPCReply(result, Value::null, id);
2439                 stream << HTTPReply(200, strReply) << std::flush;
2440             }
2441             catch (std::exception& e)
2442             {
2443                 ErrorReply(stream, JSONRPCError(-1, e.what()), id);
2444             }
2445         }
2446         catch (Object& objError)
2447         {
2448             ErrorReply(stream, objError, id);
2449         }
2450         catch (std::exception& e)
2451         {
2452             ErrorReply(stream, JSONRPCError(-32700, e.what()), id);
2453         }
2454     }
2455 }
2456
2457
2458
2459
2460 Object CallRPC(const string& strMethod, const Array& params)
2461 {
2462     if (mapArgs["-rpcuser"] == "" && mapArgs["-rpcpassword"] == "")
2463         throw runtime_error(strprintf(
2464             _("You must set rpcpassword=<password> in the configuration file:\n%s\n"
2465               "If the file does not exist, create it with owner-readable-only file permissions."),
2466                 GetConfigFile().c_str()));
2467
2468     // Connect to localhost
2469     bool fUseSSL = GetBoolArg("-rpcssl");
2470 #ifdef USE_SSL
2471     asio::io_service io_service;
2472     ssl::context context(io_service, ssl::context::sslv23);
2473     context.set_options(ssl::context::no_sslv2);
2474     SSLStream sslStream(io_service, context);
2475     SSLIOStreamDevice d(sslStream, fUseSSL);
2476     iostreams::stream<SSLIOStreamDevice> stream(d);
2477     if (!d.connect(GetArg("-rpcconnect", "127.0.0.1"), GetArg("-rpcport", CBigNum(RPC_PORT).ToString().c_str())))
2478         throw runtime_error("couldn't connect to server");
2479 #else
2480     if (fUseSSL)
2481         throw runtime_error("-rpcssl=1, but ppcoin compiled without full openssl libraries.");
2482
2483     ip::tcp::iostream stream(GetArg("-rpcconnect", "127.0.0.1"), GetArg("-rpcport", CBigNum(RPC_PORT).ToString().c_str()));
2484     if (stream.fail())
2485         throw runtime_error("couldn't connect to server");
2486 #endif
2487
2488
2489     // HTTP basic authentication
2490     string strUserPass64 = EncodeBase64(mapArgs["-rpcuser"] + ":" + mapArgs["-rpcpassword"]);
2491     map<string, string> mapRequestHeaders;
2492     mapRequestHeaders["Authorization"] = string("Basic ") + strUserPass64;
2493
2494     // Send request
2495     string strRequest = JSONRPCRequest(strMethod, params, 1);
2496     string strPost = HTTPPost(strRequest, mapRequestHeaders);
2497     stream << strPost << std::flush;
2498
2499     // Receive reply
2500     map<string, string> mapHeaders;
2501     string strReply;
2502     int nStatus = ReadHTTP(stream, mapHeaders, strReply);
2503     if (nStatus == 401)
2504         throw runtime_error("incorrect rpcuser or rpcpassword (authorization failed)");
2505     else if (nStatus >= 400 && nStatus != 400 && nStatus != 404 && nStatus != 500)
2506         throw runtime_error(strprintf("server returned HTTP error %d", nStatus));
2507     else if (strReply.empty())
2508         throw runtime_error("no response from server");
2509
2510     // Parse reply
2511     Value valReply;
2512     if (!read_string(strReply, valReply))
2513         throw runtime_error("couldn't parse reply from server");
2514     const Object& reply = valReply.get_obj();
2515     if (reply.empty())
2516         throw runtime_error("expected reply to have result, error and id properties");
2517
2518     return reply;
2519 }
2520
2521
2522
2523
2524 template<typename T>
2525 void ConvertTo(Value& value)
2526 {
2527     if (value.type() == str_type)
2528     {
2529         // reinterpret string as unquoted json value
2530         Value value2;
2531         if (!read_string(value.get_str(), value2))
2532             throw runtime_error("type mismatch");
2533         value = value2.get_value<T>();
2534     }
2535     else
2536     {
2537         value = value.get_value<T>();
2538     }
2539 }
2540
2541 int CommandLineRPC(int argc, char *argv[])
2542 {
2543     string strPrint;
2544     int nRet = 0;
2545     try
2546     {
2547         // Skip switches
2548         while (argc > 1 && IsSwitchChar(argv[1][0]))
2549         {
2550             argc--;
2551             argv++;
2552         }
2553
2554         // Method
2555         if (argc < 2)
2556             throw runtime_error("too few parameters");
2557         string strMethod = argv[1];
2558
2559         // Parameters default to strings
2560         Array params;
2561         for (int i = 2; i < argc; i++)
2562             params.push_back(argv[i]);
2563         int n = params.size();
2564
2565         //
2566         // Special case non-string parameter types
2567         //
2568         if (strMethod == "setgenerate"            && n > 0) ConvertTo<bool>(params[0]);
2569         if (strMethod == "setgenerate"            && n > 1) ConvertTo<boost::int64_t>(params[1]);
2570         if (strMethod == "sendtoaddress"          && n > 1) ConvertTo<double>(params[1]);
2571         if (strMethod == "settxfee"               && n > 0) ConvertTo<double>(params[0]);
2572         if (strMethod == "getreceivedbyaddress"   && n > 1) ConvertTo<boost::int64_t>(params[1]);
2573         if (strMethod == "getreceivedbyaccount"   && n > 1) ConvertTo<boost::int64_t>(params[1]);
2574         if (strMethod == "listreceivedbyaddress"  && n > 0) ConvertTo<boost::int64_t>(params[0]);
2575         if (strMethod == "listreceivedbyaddress"  && n > 1) ConvertTo<bool>(params[1]);
2576         if (strMethod == "listreceivedbyaccount"  && n > 0) ConvertTo<boost::int64_t>(params[0]);
2577         if (strMethod == "listreceivedbyaccount"  && n > 1) ConvertTo<bool>(params[1]);
2578         if (strMethod == "getbalance"             && n > 1) ConvertTo<boost::int64_t>(params[1]);
2579         if (strMethod == "move"                   && n > 2) ConvertTo<double>(params[2]);
2580         if (strMethod == "move"                   && n > 3) ConvertTo<boost::int64_t>(params[3]);
2581         if (strMethod == "sendfrom"               && n > 2) ConvertTo<double>(params[2]);
2582         if (strMethod == "sendfrom"               && n > 3) ConvertTo<boost::int64_t>(params[3]);
2583         if (strMethod == "listtransactions"       && n > 1) ConvertTo<boost::int64_t>(params[1]);
2584         if (strMethod == "listtransactions"       && n > 2) ConvertTo<boost::int64_t>(params[2]);
2585         if (strMethod == "listaccounts"           && n > 0) ConvertTo<boost::int64_t>(params[0]);
2586         if (strMethod == "walletpassphrase"       && n > 1) ConvertTo<boost::int64_t>(params[1]);
2587         if (strMethod == "walletpassphrase"       && n > 2) ConvertTo<bool>(params[2]);
2588         if (strMethod == "listsinceblock"         && n > 1) ConvertTo<boost::int64_t>(params[1]);
2589         if (strMethod == "sendmany"               && n > 1)
2590         {
2591             string s = params[1].get_str();
2592             Value v;
2593             if (!read_string(s, v) || v.type() != obj_type)
2594                 throw runtime_error("type mismatch");
2595             params[1] = v.get_obj();
2596         }
2597         if (strMethod == "sendmany"                && n > 2) ConvertTo<boost::int64_t>(params[2]);
2598         if (strMethod == "resetcheckpoint"         && n > 0) ConvertTo<boost::int64_t>(params[0]);
2599         if (strMethod == "reservebalance"          && n > 0) ConvertTo<bool>(params[0]);
2600         if (strMethod == "reservebalance"          && n > 1) ConvertTo<double>(params[1]);
2601
2602         // Execute
2603         Object reply = CallRPC(strMethod, params);
2604
2605         // Parse reply
2606         const Value& result = find_value(reply, "result");
2607         const Value& error  = find_value(reply, "error");
2608
2609         if (error.type() != null_type)
2610         {
2611             // Error
2612             strPrint = "error: " + write_string(error, false);
2613             int code = find_value(error.get_obj(), "code").get_int();
2614             nRet = abs(code);
2615         }
2616         else
2617         {
2618             // Result
2619             if (result.type() == null_type)
2620                 strPrint = "";
2621             else if (result.type() == str_type)
2622                 strPrint = result.get_str();
2623             else
2624                 strPrint = write_string(result, true);
2625         }
2626     }
2627     catch (std::exception& e)
2628     {
2629         strPrint = string("error: ") + e.what();
2630         nRet = 87;
2631     }
2632     catch (...)
2633     {
2634         PrintException(NULL, "CommandLineRPC()");
2635     }
2636
2637     if (strPrint != "")
2638     {
2639         fprintf((nRet == 0 ? stdout : stderr), "%s\n", strPrint.c_str());
2640     }
2641     return nRet;
2642 }
2643
2644
2645
2646
2647 #ifdef TEST
2648 int main(int argc, char *argv[])
2649 {
2650 #ifdef _MSC_VER
2651     // Turn off microsoft heap dump noise
2652     _CrtSetReportMode(_CRT_WARN, _CRTDBG_MODE_FILE);
2653     _CrtSetReportFile(_CRT_WARN, CreateFile("NUL", GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, 0));
2654 #endif
2655     setbuf(stdin, NULL);
2656     setbuf(stdout, NULL);
2657     setbuf(stderr, NULL);
2658
2659     try
2660     {
2661         if (argc >= 2 && string(argv[1]) == "-server")
2662         {
2663             printf("server ready\n");
2664             ThreadRPCServer(NULL);
2665         }
2666         else
2667         {
2668             return CommandLineRPC(argc, argv);
2669         }
2670     }
2671     catch (std::exception& e) {
2672         PrintException(&e, "main()");
2673     } catch (...) {
2674         PrintException(NULL, "main()");
2675     }
2676     return 0;
2677 }
2678 #endif