rpc: don't send 403 when using SSL to prevent DoS
[novacoin.git] / src / rpc.cpp
1 // Copyright (c) 2010 Satoshi Nakamoto
2 // Distributed under the MIT/X11 software license, see the accompanying
3 // file license.txt or http://www.opensource.org/licenses/mit-license.php.
4
5 #include "headers.h"
6 #include "cryptopp/sha.h"
7 #include "db.h"
8 #include "net.h"
9 #include "init.h"
10 #undef printf
11 #include <boost/asio.hpp>
12 #include <boost/iostreams/concepts.hpp>
13 #include <boost/iostreams/stream.hpp>
14 #include <boost/algorithm/string.hpp>
15 #ifdef USE_SSL
16 #include <boost/asio/ssl.hpp> 
17 #include <boost/filesystem.hpp>
18 #include <boost/filesystem/fstream.hpp>
19 typedef boost::asio::ssl::stream<boost::asio::ip::tcp::socket> SSLStream;
20 #endif
21 #include "json/json_spirit_reader_template.h"
22 #include "json/json_spirit_writer_template.h"
23 #include "json/json_spirit_utils.h"
24 #define printf OutputDebugStringF
25 // MinGW 3.4.5 gets "fatal error: had to relocate PCH" if the json headers are
26 // precompiled in headers.h.  The problem might be when the pch file goes over
27 // a certain size around 145MB.  If we need access to json_spirit outside this
28 // file, we could use the compiled json_spirit option.
29
30 using namespace std;
31 using namespace boost;
32 using namespace boost::asio;
33 using namespace json_spirit;
34
35 void ThreadRPCServer2(void* parg);
36 typedef Value(*rpcfn_type)(const Array& params, bool fHelp);
37 extern map<string, rpcfn_type> mapCallTable;
38
39
40 Object JSONRPCError(int code, const string& message)
41 {
42     Object error;
43     error.push_back(Pair("code", code));
44     error.push_back(Pair("message", message));
45     return error;
46 }
47
48
49 void PrintConsole(const char* format, ...)
50 {
51     char buffer[50000];
52     int limit = sizeof(buffer);
53     va_list arg_ptr;
54     va_start(arg_ptr, format);
55     int ret = _vsnprintf(buffer, limit, format, arg_ptr);
56     va_end(arg_ptr);
57     if (ret < 0 || ret >= limit)
58     {
59         ret = limit - 1;
60         buffer[limit-1] = 0;
61     }
62     printf("%s", buffer);
63 #if defined(__WXMSW__) && defined(GUI)
64     MyMessageBox(buffer, "Bitcoin", wxOK | wxICON_EXCLAMATION);
65 #else
66     fprintf(stdout, "%s", buffer);
67 #endif
68 }
69
70
71 int64 AmountFromValue(const Value& value)
72 {
73     double dAmount = value.get_real();
74     if (dAmount <= 0.0 || dAmount > 21000000.0)
75         throw JSONRPCError(-3, "Invalid amount");
76     int64 nAmount = roundint64(dAmount * COIN);
77     if (!MoneyRange(nAmount))
78         throw JSONRPCError(-3, "Invalid amount");
79     return nAmount;
80 }
81
82 Value ValueFromAmount(int64 amount)
83 {
84     return (double)amount / (double)COIN;
85 }
86
87 void WalletTxToJSON(const CWalletTx& wtx, Object& entry)
88 {
89     entry.push_back(Pair("confirmations", wtx.GetDepthInMainChain()));
90     entry.push_back(Pair("txid", wtx.GetHash().GetHex()));
91     entry.push_back(Pair("time", (boost::int64_t)wtx.GetTxTime()));
92     BOOST_FOREACH(const PAIRTYPE(string,string)& item, wtx.mapValue)
93         entry.push_back(Pair(item.first, item.second));
94 }
95
96 string AccountFromValue(const Value& value)
97 {
98     string strAccount = value.get_str();
99     if (strAccount == "*")
100         throw JSONRPCError(-11, "Invalid account name");
101     return strAccount;
102 }
103
104
105
106 ///
107 /// Note: This interface may still be subject to change.
108 ///
109
110
111 Value help(const Array& params, bool fHelp)
112 {
113     if (fHelp || params.size() > 1)
114         throw runtime_error(
115             "help [command]\n"
116             "List commands, or get help for a command.");
117
118     string strCommand;
119     if (params.size() > 0)
120         strCommand = params[0].get_str();
121
122     string strRet;
123     set<rpcfn_type> setDone;
124     for (map<string, rpcfn_type>::iterator mi = mapCallTable.begin(); mi != mapCallTable.end(); ++mi)
125     {
126         string strMethod = (*mi).first;
127         // We already filter duplicates, but these deprecated screw up the sort order
128         if (strMethod == "getamountreceived" ||
129             strMethod == "getallreceived" ||
130             (strMethod.find("label") != string::npos))
131             continue;
132         if (strCommand != "" && strMethod != strCommand)
133             continue;
134         try
135         {
136             Array params;
137             rpcfn_type pfn = (*mi).second;
138             if (setDone.insert(pfn).second)
139                 (*pfn)(params, true);
140         }
141         catch (std::exception& e)
142         {
143             // Help text is returned in an exception
144             string strHelp = string(e.what());
145             if (strCommand == "")
146                 if (strHelp.find('\n') != -1)
147                     strHelp = strHelp.substr(0, strHelp.find('\n'));
148             strRet += strHelp + "\n";
149         }
150     }
151     if (strRet == "")
152         strRet = strprintf("help: unknown command: %s\n", strCommand.c_str());
153     strRet = strRet.substr(0,strRet.size()-1);
154     return strRet;
155 }
156
157
158 Value stop(const Array& params, bool fHelp)
159 {
160     if (fHelp || params.size() != 0)
161         throw runtime_error(
162             "stop\n"
163             "Stop bitcoin server.");
164
165     // Shutdown will take long enough that the response should get back
166     CreateThread(Shutdown, NULL);
167     return "bitcoin server stopping";
168 }
169
170
171 Value getblockcount(const Array& params, bool fHelp)
172 {
173     if (fHelp || params.size() != 0)
174         throw runtime_error(
175             "getblockcount\n"
176             "Returns the number of blocks in the longest block chain.");
177
178     return nBestHeight;
179 }
180
181
182 Value getblocknumber(const Array& params, bool fHelp)
183 {
184     if (fHelp || params.size() != 0)
185         throw runtime_error(
186             "getblocknumber\n"
187             "Returns the block number of the latest block in the longest block chain.");
188
189     return nBestHeight;
190 }
191
192
193 Value getconnectioncount(const Array& params, bool fHelp)
194 {
195     if (fHelp || params.size() != 0)
196         throw runtime_error(
197             "getconnectioncount\n"
198             "Returns the number of connections to other nodes.");
199
200     return (int)vNodes.size();
201 }
202
203
204 double GetDifficulty()
205 {
206     // Floating point number that is a multiple of the minimum difficulty,
207     // minimum difficulty = 1.0.
208
209     if (pindexBest == NULL)
210         return 1.0;
211     int nShift = (pindexBest->nBits >> 24) & 0xff;
212
213     double dDiff =
214         (double)0x0000ffff / (double)(pindexBest->nBits & 0x00ffffff);
215
216     while (nShift < 29)
217     {
218         dDiff *= 256.0;
219         nShift++;
220     }
221     while (nShift > 29)
222     {
223         dDiff /= 256.0;
224         nShift--;
225     }
226
227     return dDiff;
228 }
229
230 Value getdifficulty(const Array& params, bool fHelp)
231 {
232     if (fHelp || params.size() != 0)
233         throw runtime_error(
234             "getdifficulty\n"
235             "Returns the proof-of-work difficulty as a multiple of the minimum difficulty.");
236
237     return GetDifficulty();
238 }
239
240
241 Value getgenerate(const Array& params, bool fHelp)
242 {
243     if (fHelp || params.size() != 0)
244         throw runtime_error(
245             "getgenerate\n"
246             "Returns true or false.");
247
248     return (bool)fGenerateBitcoins;
249 }
250
251
252 Value setgenerate(const Array& params, bool fHelp)
253 {
254     if (fHelp || params.size() < 1 || params.size() > 2)
255         throw runtime_error(
256             "setgenerate <generate> [genproclimit]\n"
257             "<generate> is true or false to turn generation on or off.\n"
258             "Generation is limited to [genproclimit] processors, -1 is unlimited.");
259
260     bool fGenerate = true;
261     if (params.size() > 0)
262         fGenerate = params[0].get_bool();
263
264     if (params.size() > 1)
265     {
266         int nGenProcLimit = params[1].get_int();
267         fLimitProcessors = (nGenProcLimit != -1);
268         WriteSetting("fLimitProcessors", fLimitProcessors);
269         if (nGenProcLimit != -1)
270             WriteSetting("nLimitProcessors", nLimitProcessors = nGenProcLimit);
271         if (nGenProcLimit == 0)
272             fGenerate = false;
273     }
274
275     GenerateBitcoins(fGenerate, pwalletMain);
276     return Value::null;
277 }
278
279
280 Value gethashespersec(const Array& params, bool fHelp)
281 {
282     if (fHelp || params.size() != 0)
283         throw runtime_error(
284             "gethashespersec\n"
285             "Returns a recent hashes per second performance measurement while generating.");
286
287     if (GetTimeMillis() - nHPSTimerStart > 8000)
288         return (boost::int64_t)0;
289     return (boost::int64_t)dHashesPerSec;
290 }
291
292
293 Value getinfo(const Array& params, bool fHelp)
294 {
295     if (fHelp || params.size() != 0)
296         throw runtime_error(
297             "getinfo\n"
298             "Returns an object containing various state info.");
299
300     Object obj;
301     obj.push_back(Pair("version",       (int)VERSION));
302     obj.push_back(Pair("balance",       ValueFromAmount(pwalletMain->GetBalance())));
303     obj.push_back(Pair("blocks",        (int)nBestHeight));
304     obj.push_back(Pair("connections",   (int)vNodes.size()));
305     obj.push_back(Pair("proxy",         (fUseProxy ? addrProxy.ToStringIPPort() : string())));
306     obj.push_back(Pair("generate",      (bool)fGenerateBitcoins));
307     obj.push_back(Pair("genproclimit",  (int)(fLimitProcessors ? nLimitProcessors : -1)));
308     obj.push_back(Pair("difficulty",    (double)GetDifficulty()));
309     obj.push_back(Pair("hashespersec",  gethashespersec(params, false)));
310     obj.push_back(Pair("testnet",       fTestNet));
311     obj.push_back(Pair("keypoololdest", (boost::int64_t)pwalletMain->GetOldestKeyPoolTime()));
312     obj.push_back(Pair("paytxfee",      ValueFromAmount(nTransactionFee)));
313     obj.push_back(Pair("errors",        GetWarnings("statusbar")));
314     return obj;
315 }
316
317
318 Value getnewaddress(const Array& params, bool fHelp)
319 {
320     if (fHelp || params.size() > 1)
321         throw runtime_error(
322             "getnewaddress [account]\n"
323             "Returns a new bitcoin address for receiving payments.  "
324             "If [account] is specified (recommended), it is added to the address book "
325             "so payments received with the address will be credited to [account].");
326
327     // Parse the account first so we don't generate a key if there's an error
328     string strAccount;
329     if (params.size() > 0)
330         strAccount = AccountFromValue(params[0]);
331
332     // Generate a new key that is added to wallet
333     string strAddress = PubKeyToAddress(pwalletMain->GetKeyFromKeyPool());
334
335     pwalletMain->SetAddressBookName(strAddress, strAccount);
336     return strAddress;
337 }
338
339
340 // requires cs_main, cs_mapWallet locks
341 string GetAccountAddress(string strAccount, bool bForceNew=false)
342 {
343     string strAddress;
344
345     CWalletDB walletdb(pwalletMain->strWalletFile);
346     walletdb.TxnBegin();
347
348     CAccount account;
349     walletdb.ReadAccount(strAccount, account);
350
351     // Check if the current key has been used
352     if (!account.vchPubKey.empty())
353     {
354         CScript scriptPubKey;
355         scriptPubKey.SetBitcoinAddress(account.vchPubKey);
356         for (map<uint256, CWalletTx>::iterator it = pwalletMain->mapWallet.begin();
357              it != pwalletMain->mapWallet.end() && !account.vchPubKey.empty();
358              ++it)
359         {
360             const CWalletTx& wtx = (*it).second;
361             BOOST_FOREACH(const CTxOut& txout, wtx.vout)
362                 if (txout.scriptPubKey == scriptPubKey)
363                     account.vchPubKey.clear();
364         }
365     }
366
367     // Generate a new key
368     if (account.vchPubKey.empty() || bForceNew)
369     {
370         account.vchPubKey = pwalletMain->GetKeyFromKeyPool();
371         string strAddress = PubKeyToAddress(account.vchPubKey);
372         pwalletMain->SetAddressBookName(strAddress, strAccount);
373         walletdb.WriteAccount(strAccount, account);
374     }
375
376     walletdb.TxnCommit();
377     strAddress = PubKeyToAddress(account.vchPubKey);
378
379     return strAddress;
380 }
381
382 Value getaccountaddress(const Array& params, bool fHelp)
383 {
384     if (fHelp || params.size() != 1)
385         throw runtime_error(
386             "getaccountaddress <account>\n"
387             "Returns the current bitcoin address for receiving payments to this account.");
388
389     // Parse the account first so we don't generate a key if there's an error
390     string strAccount = AccountFromValue(params[0]);
391
392     Value ret;
393
394     CRITICAL_BLOCK(cs_main)
395     CRITICAL_BLOCK(pwalletMain->cs_mapWallet)
396     {
397         ret = GetAccountAddress(strAccount);
398     }
399
400     return ret;
401 }
402
403
404
405 Value setaccount(const Array& params, bool fHelp)
406 {
407     if (fHelp || params.size() < 1 || params.size() > 2)
408         throw runtime_error(
409             "setaccount <bitcoinaddress> <account>\n"
410             "Sets the account associated with the given address.");
411
412     string strAddress = params[0].get_str();
413     uint160 hash160;
414     bool isValid = AddressToHash160(strAddress, hash160);
415     if (!isValid)
416         throw JSONRPCError(-5, "Invalid bitcoin address");
417
418
419     string strAccount;
420     if (params.size() > 1)
421         strAccount = AccountFromValue(params[1]);
422
423     // Detect when changing the account of an address that is the 'unused current key' of another account:
424     CRITICAL_BLOCK(cs_main)
425     CRITICAL_BLOCK(pwalletMain->cs_mapWallet)
426     CRITICAL_BLOCK(pwalletMain->cs_mapAddressBook)
427     {
428         if (pwalletMain->mapAddressBook.count(strAddress))
429         {
430             string strOldAccount = pwalletMain->mapAddressBook[strAddress];
431             if (strAddress == GetAccountAddress(strOldAccount))
432                 GetAccountAddress(strOldAccount, true);
433         }
434     }
435
436     pwalletMain->SetAddressBookName(strAddress, strAccount);
437     return Value::null;
438 }
439
440
441 Value getaccount(const Array& params, bool fHelp)
442 {
443     if (fHelp || params.size() != 1)
444         throw runtime_error(
445             "getaccount <bitcoinaddress>\n"
446             "Returns the account associated with the given address.");
447
448     string strAddress = params[0].get_str();
449
450     string strAccount;
451     CRITICAL_BLOCK(pwalletMain->cs_mapAddressBook)
452     {
453         map<string, string>::iterator mi = pwalletMain->mapAddressBook.find(strAddress);
454         if (mi != pwalletMain->mapAddressBook.end() && !(*mi).second.empty())
455             strAccount = (*mi).second;
456     }
457     return strAccount;
458 }
459
460
461 Value getaddressesbyaccount(const Array& params, bool fHelp)
462 {
463     if (fHelp || params.size() != 1)
464         throw runtime_error(
465             "getaddressesbyaccount <account>\n"
466             "Returns the list of addresses for the given account.");
467
468     string strAccount = AccountFromValue(params[0]);
469
470     // Find all addresses that have the given account
471     Array ret;
472     CRITICAL_BLOCK(pwalletMain->cs_mapAddressBook)
473     {
474         BOOST_FOREACH(const PAIRTYPE(string, string)& item, pwalletMain->mapAddressBook)
475         {
476             const string& strAddress = item.first;
477             const string& strName = item.second;
478             if (strName == strAccount)
479             {
480                 // We're only adding valid bitcoin addresses and not ip addresses
481                 CScript scriptPubKey;
482                 if (scriptPubKey.SetBitcoinAddress(strAddress))
483                     ret.push_back(strAddress);
484             }
485         }
486     }
487     return ret;
488 }
489
490 Value settxfee(const Array& params, bool fHelp)
491 {
492     if (fHelp || params.size() < 1 || params.size() > 1)
493         throw runtime_error(
494             "settxfee <amount>\n"
495             "<amount> is a real and is rounded to the nearest 0.00000001");
496
497     // Amount
498     int64 nAmount = 0;
499     if (params[0].get_real() != 0.0)
500         nAmount = AmountFromValue(params[0]);        // rejects 0.0 amounts
501
502     nTransactionFee = nAmount;
503     return true;
504 }
505
506 Value sendtoaddress(const Array& params, bool fHelp)
507 {
508     if (fHelp || params.size() < 2 || params.size() > 4)
509         throw runtime_error(
510             "sendtoaddress <bitcoinaddress> <amount> [comment] [comment-to]\n"
511             "<amount> is a real and is rounded to the nearest 0.00000001");
512
513     string strAddress = params[0].get_str();
514
515     // Amount
516     int64 nAmount = AmountFromValue(params[1]);
517
518     // Wallet comments
519     CWalletTx wtx;
520     if (params.size() > 2 && params[2].type() != null_type && !params[2].get_str().empty())
521         wtx.mapValue["comment"] = params[2].get_str();
522     if (params.size() > 3 && params[3].type() != null_type && !params[3].get_str().empty())
523         wtx.mapValue["to"]      = params[3].get_str();
524
525     CRITICAL_BLOCK(cs_main)
526     {
527         string strError = pwalletMain->SendMoneyToBitcoinAddress(strAddress, nAmount, wtx);
528         if (strError != "")
529             throw JSONRPCError(-4, strError);
530     }
531
532     return wtx.GetHash().GetHex();
533 }
534
535
536 Value getreceivedbyaddress(const Array& params, bool fHelp)
537 {
538     if (fHelp || params.size() < 1 || params.size() > 2)
539         throw runtime_error(
540             "getreceivedbyaddress <bitcoinaddress> [minconf=1]\n"
541             "Returns the total amount received by <bitcoinaddress> in transactions with at least [minconf] confirmations.");
542
543     // Bitcoin address
544     string strAddress = params[0].get_str();
545     CScript scriptPubKey;
546     if (!scriptPubKey.SetBitcoinAddress(strAddress))
547         throw JSONRPCError(-5, "Invalid bitcoin address");
548     if (!IsMine(*pwalletMain,scriptPubKey))
549         return (double)0.0;
550
551     // Minimum confirmations
552     int nMinDepth = 1;
553     if (params.size() > 1)
554         nMinDepth = params[1].get_int();
555
556     // Tally
557     int64 nAmount = 0;
558     CRITICAL_BLOCK(pwalletMain->cs_mapWallet)
559     {
560         for (map<uint256, CWalletTx>::iterator it = pwalletMain->mapWallet.begin(); it != pwalletMain->mapWallet.end(); ++it)
561         {
562             const CWalletTx& wtx = (*it).second;
563             if (wtx.IsCoinBase() || !wtx.IsFinal())
564                 continue;
565
566             BOOST_FOREACH(const CTxOut& txout, wtx.vout)
567                 if (txout.scriptPubKey == scriptPubKey)
568                     if (wtx.GetDepthInMainChain() >= nMinDepth)
569                         nAmount += txout.nValue;
570         }
571     }
572
573     return  ValueFromAmount(nAmount);
574 }
575
576
577 void GetAccountPubKeys(string strAccount, set<CScript>& setPubKey)
578 {
579     CRITICAL_BLOCK(pwalletMain->cs_mapAddressBook)
580     {
581         BOOST_FOREACH(const PAIRTYPE(string, string)& item, pwalletMain->mapAddressBook)
582         {
583             const string& strAddress = item.first;
584             const string& strName = item.second;
585             if (strName == strAccount)
586             {
587                 // We're only counting our own valid bitcoin addresses and not ip addresses
588                 CScript scriptPubKey;
589                 if (scriptPubKey.SetBitcoinAddress(strAddress))
590                     if (IsMine(*pwalletMain,scriptPubKey))
591                         setPubKey.insert(scriptPubKey);
592             }
593         }
594     }
595 }
596
597
598 Value getreceivedbyaccount(const Array& params, bool fHelp)
599 {
600     if (fHelp || params.size() < 1 || params.size() > 2)
601         throw runtime_error(
602             "getreceivedbyaccount <account> [minconf=1]\n"
603             "Returns the total amount received by addresses with <account> in transactions with at least [minconf] confirmations.");
604
605     // Minimum confirmations
606     int nMinDepth = 1;
607     if (params.size() > 1)
608         nMinDepth = params[1].get_int();
609
610     // Get the set of pub keys that have the label
611     string strAccount = AccountFromValue(params[0]);
612     set<CScript> setPubKey;
613     GetAccountPubKeys(strAccount, setPubKey);
614
615     // Tally
616     int64 nAmount = 0;
617     CRITICAL_BLOCK(pwalletMain->cs_mapWallet)
618     {
619         for (map<uint256, CWalletTx>::iterator it = pwalletMain->mapWallet.begin(); it != pwalletMain->mapWallet.end(); ++it)
620         {
621             const CWalletTx& wtx = (*it).second;
622             if (wtx.IsCoinBase() || !wtx.IsFinal())
623                 continue;
624
625             BOOST_FOREACH(const CTxOut& txout, wtx.vout)
626                 if (setPubKey.count(txout.scriptPubKey))
627                     if (wtx.GetDepthInMainChain() >= nMinDepth)
628                         nAmount += txout.nValue;
629         }
630     }
631
632     return (double)nAmount / (double)COIN;
633 }
634
635
636 int64 GetAccountBalance(CWalletDB& walletdb, const string& strAccount, int nMinDepth)
637 {
638     int64 nBalance = 0;
639     CRITICAL_BLOCK(pwalletMain->cs_mapWallet)
640     {
641         // Tally wallet transactions
642         for (map<uint256, CWalletTx>::iterator it = pwalletMain->mapWallet.begin(); it != pwalletMain->mapWallet.end(); ++it)
643         {
644             const CWalletTx& wtx = (*it).second;
645             if (!wtx.IsFinal())
646                 continue;
647
648             int64 nGenerated, nReceived, nSent, nFee;
649             wtx.GetAccountAmounts(strAccount, nGenerated, nReceived, nSent, nFee);
650
651             if (nReceived != 0 && wtx.GetDepthInMainChain() >= nMinDepth)
652                 nBalance += nReceived;
653             nBalance += nGenerated - nSent - nFee;
654         }
655
656         // Tally internal accounting entries
657         nBalance += walletdb.GetAccountCreditDebit(strAccount);
658     }
659
660     return nBalance;
661 }
662
663 int64 GetAccountBalance(const string& strAccount, int nMinDepth)
664 {
665     CWalletDB walletdb(pwalletMain->strWalletFile);
666     return GetAccountBalance(walletdb, strAccount, nMinDepth);
667 }
668
669
670 Value getbalance(const Array& params, bool fHelp)
671 {
672     if (fHelp || params.size() < 0 || params.size() > 2)
673         throw runtime_error(
674             "getbalance [account] [minconf=1]\n"
675             "If [account] is not specified, returns the server's total available balance.\n"
676             "If [account] is specified, returns the balance in the account.");
677
678     if (params.size() == 0)
679         return  ValueFromAmount(pwalletMain->GetBalance());
680
681     int nMinDepth = 1;
682     if (params.size() > 1)
683         nMinDepth = params[1].get_int();
684
685     if (params[0].get_str() == "*") {
686         // Calculate total balance a different way from GetBalance()
687         // (GetBalance() sums up all unspent TxOuts)
688         // getbalance and getbalance '*' should always return the same number.
689         int64 nBalance = 0;
690         for (map<uint256, CWalletTx>::iterator it = pwalletMain->mapWallet.begin(); it != pwalletMain->mapWallet.end(); ++it)
691         {
692             const CWalletTx& wtx = (*it).second;
693             if (!wtx.IsFinal())
694                 continue;
695
696             int64 allGeneratedImmature, allGeneratedMature, allFee;
697             allGeneratedImmature = allGeneratedMature = allFee = 0;
698             string strSentAccount;
699             list<pair<string, int64> > listReceived;
700             list<pair<string, int64> > listSent;
701             wtx.GetAmounts(allGeneratedImmature, allGeneratedMature, listReceived, listSent, allFee, strSentAccount);
702             if (wtx.GetDepthInMainChain() >= nMinDepth)
703                 BOOST_FOREACH(const PAIRTYPE(string,int64)& r, listReceived)
704                     nBalance += r.second;
705             BOOST_FOREACH(const PAIRTYPE(string,int64)& r, listSent)
706                 nBalance -= r.second;
707             nBalance -= allFee;
708             nBalance += allGeneratedMature;
709         }
710         return  ValueFromAmount(nBalance);
711     }
712
713     string strAccount = AccountFromValue(params[0]);
714
715     int64 nBalance = GetAccountBalance(strAccount, nMinDepth);
716
717     return ValueFromAmount(nBalance);
718 }
719
720
721 Value movecmd(const Array& params, bool fHelp)
722 {
723     if (fHelp || params.size() < 3 || params.size() > 5)
724         throw runtime_error(
725             "move <fromaccount> <toaccount> <amount> [minconf=1] [comment]\n"
726             "Move from one account in your wallet to another.");
727
728     string strFrom = AccountFromValue(params[0]);
729     string strTo = AccountFromValue(params[1]);
730     int64 nAmount = AmountFromValue(params[2]);
731     int nMinDepth = 1;
732     if (params.size() > 3)
733         nMinDepth = params[3].get_int();
734     string strComment;
735     if (params.size() > 4)
736         strComment = params[4].get_str();
737
738     CRITICAL_BLOCK(pwalletMain->cs_mapWallet)
739     {
740         CWalletDB walletdb(pwalletMain->strWalletFile);
741         walletdb.TxnBegin();
742
743         int64 nNow = GetAdjustedTime();
744
745         // Debit
746         CAccountingEntry debit;
747         debit.strAccount = strFrom;
748         debit.nCreditDebit = -nAmount;
749         debit.nTime = nNow;
750         debit.strOtherAccount = strTo;
751         debit.strComment = strComment;
752         walletdb.WriteAccountingEntry(debit);
753
754         // Credit
755         CAccountingEntry credit;
756         credit.strAccount = strTo;
757         credit.nCreditDebit = nAmount;
758         credit.nTime = nNow;
759         credit.strOtherAccount = strFrom;
760         credit.strComment = strComment;
761         walletdb.WriteAccountingEntry(credit);
762
763         walletdb.TxnCommit();
764     }
765     return true;
766 }
767
768
769 Value sendfrom(const Array& params, bool fHelp)
770 {
771     if (fHelp || params.size() < 3 || params.size() > 6)
772         throw runtime_error(
773             "sendfrom <fromaccount> <tobitcoinaddress> <amount> [minconf=1] [comment] [comment-to]\n"
774             "<amount> is a real and is rounded to the nearest 0.00000001");
775
776     string strAccount = AccountFromValue(params[0]);
777     string strAddress = params[1].get_str();
778     int64 nAmount = AmountFromValue(params[2]);
779     int nMinDepth = 1;
780     if (params.size() > 3)
781         nMinDepth = params[3].get_int();
782
783     CWalletTx wtx;
784     wtx.strFromAccount = strAccount;
785     if (params.size() > 4 && params[4].type() != null_type && !params[4].get_str().empty())
786         wtx.mapValue["comment"] = params[4].get_str();
787     if (params.size() > 5 && params[5].type() != null_type && !params[5].get_str().empty())
788         wtx.mapValue["to"]      = params[5].get_str();
789
790     CRITICAL_BLOCK(cs_main)
791     CRITICAL_BLOCK(pwalletMain->cs_mapWallet)
792     {
793         // Check funds
794         int64 nBalance = GetAccountBalance(strAccount, nMinDepth);
795         if (nAmount > nBalance)
796             throw JSONRPCError(-6, "Account has insufficient funds");
797
798         // Send
799         string strError = pwalletMain->SendMoneyToBitcoinAddress(strAddress, nAmount, wtx);
800         if (strError != "")
801             throw JSONRPCError(-4, strError);
802     }
803
804     return wtx.GetHash().GetHex();
805 }
806
807 Value sendmany(const Array& params, bool fHelp)
808 {
809     if (fHelp || params.size() < 2 || params.size() > 4)
810         throw runtime_error(
811             "sendmany <fromaccount> {address:amount,...} [minconf=1] [comment]\n"
812             "amounts are double-precision floating point numbers");
813
814     string strAccount = AccountFromValue(params[0]);
815     Object sendTo = params[1].get_obj();
816     int nMinDepth = 1;
817     if (params.size() > 2)
818         nMinDepth = params[2].get_int();
819
820     CWalletTx wtx;
821     wtx.strFromAccount = strAccount;
822     if (params.size() > 3 && params[3].type() != null_type && !params[3].get_str().empty())
823         wtx.mapValue["comment"] = params[3].get_str();
824
825     set<string> setAddress;
826     vector<pair<CScript, int64> > vecSend;
827
828     int64 totalAmount = 0;
829     BOOST_FOREACH(const Pair& s, sendTo)
830     {
831         uint160 hash160;
832         string strAddress = s.name_;
833
834         if (setAddress.count(strAddress))
835             throw JSONRPCError(-8, string("Invalid parameter, duplicated address: ")+strAddress);
836         setAddress.insert(strAddress);
837
838         CScript scriptPubKey;
839         if (!scriptPubKey.SetBitcoinAddress(strAddress))
840             throw JSONRPCError(-5, string("Invalid bitcoin address:")+strAddress);
841         int64 nAmount = AmountFromValue(s.value_); 
842         totalAmount += nAmount;
843
844         vecSend.push_back(make_pair(scriptPubKey, nAmount));
845     }
846
847     CRITICAL_BLOCK(cs_main)
848     CRITICAL_BLOCK(pwalletMain->cs_mapWallet)
849     {
850         // Check funds
851         int64 nBalance = GetAccountBalance(strAccount, nMinDepth);
852         if (totalAmount > nBalance)
853             throw JSONRPCError(-6, "Account has insufficient funds");
854
855         // Send
856         CReserveKey keyChange(pwalletMain);
857         int64 nFeeRequired = 0;
858         bool fCreated = pwalletMain->CreateTransaction(vecSend, wtx, keyChange, nFeeRequired);
859         if (!fCreated)
860         {
861             if (totalAmount + nFeeRequired > pwalletMain->GetBalance())
862                 throw JSONRPCError(-6, "Insufficient funds");
863             throw JSONRPCError(-4, "Transaction creation failed");
864         }
865         if (!pwalletMain->CommitTransaction(wtx, keyChange))
866             throw JSONRPCError(-4, "Transaction commit failed");
867     }
868
869     return wtx.GetHash().GetHex();
870 }
871
872
873 struct tallyitem
874 {
875     int64 nAmount;
876     int nConf;
877     tallyitem()
878     {
879         nAmount = 0;
880         nConf = INT_MAX;
881     }
882 };
883
884 Value ListReceived(const Array& params, bool fByAccounts)
885 {
886     // Minimum confirmations
887     int nMinDepth = 1;
888     if (params.size() > 0)
889         nMinDepth = params[0].get_int();
890
891     // Whether to include empty accounts
892     bool fIncludeEmpty = false;
893     if (params.size() > 1)
894         fIncludeEmpty = params[1].get_bool();
895
896     // Tally
897     map<uint160, tallyitem> mapTally;
898     CRITICAL_BLOCK(pwalletMain->cs_mapWallet)
899     {
900         for (map<uint256, CWalletTx>::iterator it = pwalletMain->mapWallet.begin(); it != pwalletMain->mapWallet.end(); ++it)
901         {
902             const CWalletTx& wtx = (*it).second;
903             if (wtx.IsCoinBase() || !wtx.IsFinal())
904                 continue;
905
906             int nDepth = wtx.GetDepthInMainChain();
907             if (nDepth < nMinDepth)
908                 continue;
909
910             BOOST_FOREACH(const CTxOut& txout, wtx.vout)
911             {
912                 // Only counting our own bitcoin addresses and not ip addresses
913                 uint160 hash160 = txout.scriptPubKey.GetBitcoinAddressHash160();
914                 if (hash160 == 0 || !mapPubKeys.count(hash160)) // IsMine
915                     continue;
916
917                 tallyitem& item = mapTally[hash160];
918                 item.nAmount += txout.nValue;
919                 item.nConf = min(item.nConf, nDepth);
920             }
921         }
922     }
923
924     // Reply
925     Array ret;
926     map<string, tallyitem> mapAccountTally;
927     CRITICAL_BLOCK(pwalletMain->cs_mapAddressBook)
928     {
929         BOOST_FOREACH(const PAIRTYPE(string, string)& item, pwalletMain->mapAddressBook)
930         {
931             const string& strAddress = item.first;
932             const string& strAccount = item.second;
933             uint160 hash160;
934             if (!AddressToHash160(strAddress, hash160))
935                 continue;
936             map<uint160, tallyitem>::iterator it = mapTally.find(hash160);
937             if (it == mapTally.end() && !fIncludeEmpty)
938                 continue;
939
940             int64 nAmount = 0;
941             int nConf = INT_MAX;
942             if (it != mapTally.end())
943             {
944                 nAmount = (*it).second.nAmount;
945                 nConf = (*it).second.nConf;
946             }
947
948             if (fByAccounts)
949             {
950                 tallyitem& item = mapAccountTally[strAccount];
951                 item.nAmount += nAmount;
952                 item.nConf = min(item.nConf, nConf);
953             }
954             else
955             {
956                 Object obj;
957                 obj.push_back(Pair("address",       strAddress));
958                 obj.push_back(Pair("account",       strAccount));
959                 obj.push_back(Pair("label",         strAccount)); // deprecated
960                 obj.push_back(Pair("amount",        ValueFromAmount(nAmount)));
961                 obj.push_back(Pair("confirmations", (nConf == INT_MAX ? 0 : nConf)));
962                 ret.push_back(obj);
963             }
964         }
965     }
966
967     if (fByAccounts)
968     {
969         for (map<string, tallyitem>::iterator it = mapAccountTally.begin(); it != mapAccountTally.end(); ++it)
970         {
971             int64 nAmount = (*it).second.nAmount;
972             int nConf = (*it).second.nConf;
973             Object obj;
974             obj.push_back(Pair("account",       (*it).first));
975             obj.push_back(Pair("label",         (*it).first)); // deprecated
976             obj.push_back(Pair("amount",        ValueFromAmount(nAmount)));
977             obj.push_back(Pair("confirmations", (nConf == INT_MAX ? 0 : nConf)));
978             ret.push_back(obj);
979         }
980     }
981
982     return ret;
983 }
984
985 Value listreceivedbyaddress(const Array& params, bool fHelp)
986 {
987     if (fHelp || params.size() > 2)
988         throw runtime_error(
989             "listreceivedbyaddress [minconf=1] [includeempty=false]\n"
990             "[minconf] is the minimum number of confirmations before payments are included.\n"
991             "[includeempty] whether to include addresses that haven't received any payments.\n"
992             "Returns an array of objects containing:\n"
993             "  \"address\" : receiving address\n"
994             "  \"account\" : the account of the receiving address\n"
995             "  \"amount\" : total amount received by the address\n"
996             "  \"confirmations\" : number of confirmations of the most recent transaction included");
997
998     return ListReceived(params, false);
999 }
1000
1001 Value listreceivedbyaccount(const Array& params, bool fHelp)
1002 {
1003     if (fHelp || params.size() > 2)
1004         throw runtime_error(
1005             "listreceivedbyaccount [minconf=1] [includeempty=false]\n"
1006             "[minconf] is the minimum number of confirmations before payments are included.\n"
1007             "[includeempty] whether to include accounts that haven't received any payments.\n"
1008             "Returns an array of objects containing:\n"
1009             "  \"account\" : the account of the receiving addresses\n"
1010             "  \"amount\" : total amount received by addresses with this account\n"
1011             "  \"confirmations\" : number of confirmations of the most recent transaction included");
1012
1013     return ListReceived(params, true);
1014 }
1015
1016 void ListTransactions(const CWalletTx& wtx, const string& strAccount, int nMinDepth, bool fLong, Array& ret)
1017 {
1018     int64 nGeneratedImmature, nGeneratedMature, nFee;
1019     string strSentAccount;
1020     list<pair<string, int64> > listReceived;
1021     list<pair<string, int64> > listSent;
1022     wtx.GetAmounts(nGeneratedImmature, nGeneratedMature, listReceived, listSent, nFee, strSentAccount);
1023
1024     bool fAllAccounts = (strAccount == string("*"));
1025
1026     // Generated blocks assigned to account ""
1027     if ((nGeneratedMature+nGeneratedImmature) != 0 && (fAllAccounts || strAccount == ""))
1028     {
1029         Object entry;
1030         entry.push_back(Pair("account", string("")));
1031         if (nGeneratedImmature)
1032         {
1033             entry.push_back(Pair("category", wtx.GetDepthInMainChain() ? "immature" : "orphan"));
1034             entry.push_back(Pair("amount", ValueFromAmount(nGeneratedImmature)));
1035         }
1036         else
1037         {
1038             entry.push_back(Pair("category", "generate"));
1039             entry.push_back(Pair("amount", ValueFromAmount(nGeneratedMature)));
1040         }
1041         if (fLong)
1042             WalletTxToJSON(wtx, entry);
1043         ret.push_back(entry);
1044     }
1045
1046     // Sent
1047     if ((!listSent.empty() || nFee != 0) && (fAllAccounts || strAccount == strSentAccount))
1048     {
1049         BOOST_FOREACH(const PAIRTYPE(string, int64)& s, listSent)
1050         {
1051             Object entry;
1052             entry.push_back(Pair("account", strSentAccount));
1053             entry.push_back(Pair("address", s.first));
1054             entry.push_back(Pair("category", "send"));
1055             entry.push_back(Pair("amount", ValueFromAmount(-s.second)));
1056             entry.push_back(Pair("fee", ValueFromAmount(-nFee)));
1057             if (fLong)
1058                 WalletTxToJSON(wtx, entry);
1059             ret.push_back(entry);
1060         }
1061     }
1062
1063     // Received
1064     if (listReceived.size() > 0 && wtx.GetDepthInMainChain() >= nMinDepth)
1065         CRITICAL_BLOCK(pwalletMain->cs_mapAddressBook)
1066         {
1067             BOOST_FOREACH(const PAIRTYPE(string, int64)& r, listReceived)
1068             {
1069                 string account;
1070                 if (pwalletMain->mapAddressBook.count(r.first))
1071                     account = pwalletMain->mapAddressBook[r.first];
1072                 if (fAllAccounts || (account == strAccount))
1073                 {
1074                     Object entry;
1075                     entry.push_back(Pair("account", account));
1076                     entry.push_back(Pair("address", r.first));
1077                     entry.push_back(Pair("category", "receive"));
1078                     entry.push_back(Pair("amount", ValueFromAmount(r.second)));
1079                     if (fLong)
1080                         WalletTxToJSON(wtx, entry);
1081                     ret.push_back(entry);
1082                 }
1083             }
1084         }
1085
1086 }
1087
1088 void AcentryToJSON(const CAccountingEntry& acentry, const string& strAccount, Array& ret)
1089 {
1090     bool fAllAccounts = (strAccount == string("*"));
1091
1092     if (fAllAccounts || acentry.strAccount == strAccount)
1093     {
1094         Object entry;
1095         entry.push_back(Pair("account", acentry.strAccount));
1096         entry.push_back(Pair("category", "move"));
1097         entry.push_back(Pair("time", (boost::int64_t)acentry.nTime));
1098         entry.push_back(Pair("amount", ValueFromAmount(acentry.nCreditDebit)));
1099         entry.push_back(Pair("otheraccount", acentry.strOtherAccount));
1100         entry.push_back(Pair("comment", acentry.strComment));
1101         ret.push_back(entry);
1102     }
1103 }
1104
1105 Value listtransactions(const Array& params, bool fHelp)
1106 {
1107     if (fHelp || params.size() > 3)
1108         throw runtime_error(
1109             "listtransactions [account] [count=10] [from=0]\n"
1110             "Returns up to [count] most recent transactions skipping the first [from] transactions for account [account].");
1111
1112     string strAccount = "*";
1113     if (params.size() > 0)
1114         strAccount = params[0].get_str();
1115     int nCount = 10;
1116     if (params.size() > 1)
1117         nCount = params[1].get_int();
1118     int nFrom = 0;
1119     if (params.size() > 2)
1120         nFrom = params[2].get_int();
1121
1122     Array ret;
1123     CWalletDB walletdb(pwalletMain->strWalletFile);
1124
1125     CRITICAL_BLOCK(pwalletMain->cs_mapWallet)
1126     {
1127         // Firs: get all CWalletTx and CAccountingEntry into a sorted-by-time multimap:
1128         typedef pair<CWalletTx*, CAccountingEntry*> TxPair;
1129         typedef multimap<int64, TxPair > TxItems;
1130         TxItems txByTime;
1131
1132         for (map<uint256, CWalletTx>::iterator it = pwalletMain->mapWallet.begin(); it != pwalletMain->mapWallet.end(); ++it)
1133         {
1134             CWalletTx* wtx = &((*it).second);
1135             txByTime.insert(make_pair(wtx->GetTxTime(), TxPair(wtx, (CAccountingEntry*)0)));
1136         }
1137         list<CAccountingEntry> acentries;
1138         walletdb.ListAccountCreditDebit(strAccount, acentries);
1139         BOOST_FOREACH(CAccountingEntry& entry, acentries)
1140         {
1141             txByTime.insert(make_pair(entry.nTime, TxPair((CWalletTx*)0, &entry)));
1142         }
1143
1144         // Now: iterate backwards until we have nCount items to return:
1145         TxItems::reverse_iterator it = txByTime.rbegin();
1146         for (std::advance(it, nFrom); it != txByTime.rend(); ++it)
1147         {
1148             CWalletTx *const pwtx = (*it).second.first;
1149             if (pwtx != 0)
1150                 ListTransactions(*pwtx, strAccount, 0, true, ret);
1151             CAccountingEntry *const pacentry = (*it).second.second;
1152             if (pacentry != 0)
1153                 AcentryToJSON(*pacentry, strAccount, ret);
1154
1155             if (ret.size() >= nCount) break;
1156         }
1157         // ret is now newest to oldest
1158     }
1159     
1160     // Make sure we return only last nCount items (sends-to-self might give us an extra):
1161     if (ret.size() > nCount)
1162     {
1163         Array::iterator last = ret.begin();
1164         std::advance(last, nCount);
1165         ret.erase(last, ret.end());
1166     }
1167     std::reverse(ret.begin(), ret.end()); // oldest to newest
1168
1169     return ret;
1170 }
1171
1172 Value listaccounts(const Array& params, bool fHelp)
1173 {
1174     if (fHelp || params.size() > 1)
1175         throw runtime_error(
1176             "listaccounts [minconf=1]\n"
1177             "Returns Object that has account names as keys, account balances as values.");
1178
1179     int nMinDepth = 1;
1180     if (params.size() > 0)
1181         nMinDepth = params[0].get_int();
1182
1183     map<string, int64> mapAccountBalances;
1184     CRITICAL_BLOCK(pwalletMain->cs_mapWallet)
1185     CRITICAL_BLOCK(pwalletMain->cs_mapAddressBook)
1186     {
1187         BOOST_FOREACH(const PAIRTYPE(string, string)& entry, pwalletMain->mapAddressBook) {
1188             uint160 hash160;
1189             if(AddressToHash160(entry.first, hash160) && mapPubKeys.count(hash160)) // This address belongs to me
1190                 mapAccountBalances[entry.second] = 0;
1191         }
1192
1193         for (map<uint256, CWalletTx>::iterator it = pwalletMain->mapWallet.begin(); it != pwalletMain->mapWallet.end(); ++it)
1194         {
1195             const CWalletTx& wtx = (*it).second;
1196             int64 nGeneratedImmature, nGeneratedMature, nFee;
1197             string strSentAccount;
1198             list<pair<string, int64> > listReceived;
1199             list<pair<string, int64> > listSent;
1200             wtx.GetAmounts(nGeneratedImmature, nGeneratedMature, listReceived, listSent, nFee, strSentAccount);
1201             mapAccountBalances[strSentAccount] -= nFee;
1202             BOOST_FOREACH(const PAIRTYPE(string, int64)& s, listSent)
1203                 mapAccountBalances[strSentAccount] -= s.second;
1204             if (wtx.GetDepthInMainChain() >= nMinDepth)
1205             {
1206                 mapAccountBalances[""] += nGeneratedMature;
1207                 BOOST_FOREACH(const PAIRTYPE(string, int64)& r, listReceived)
1208                     if (pwalletMain->mapAddressBook.count(r.first))
1209                         mapAccountBalances[pwalletMain->mapAddressBook[r.first]] += r.second;
1210                     else
1211                         mapAccountBalances[""] += r.second;
1212             }
1213         }
1214     }
1215
1216     list<CAccountingEntry> acentries;
1217     CWalletDB(pwalletMain->strWalletFile).ListAccountCreditDebit("*", acentries);
1218     BOOST_FOREACH(const CAccountingEntry& entry, acentries)
1219         mapAccountBalances[entry.strAccount] += entry.nCreditDebit;
1220
1221     Object ret;
1222     BOOST_FOREACH(const PAIRTYPE(string, int64)& accountBalance, mapAccountBalances) {
1223         ret.push_back(Pair(accountBalance.first, ValueFromAmount(accountBalance.second)));
1224     }
1225     return ret;
1226 }
1227
1228 Value gettransaction(const Array& params, bool fHelp)
1229 {
1230     if (fHelp || params.size() != 1)
1231         throw runtime_error(
1232             "gettransaction <txid>\n"
1233             "Get detailed information about <txid>");
1234
1235     uint256 hash;
1236     hash.SetHex(params[0].get_str());
1237
1238     Object entry;
1239     CRITICAL_BLOCK(pwalletMain->cs_mapWallet)
1240     {
1241         if (!pwalletMain->mapWallet.count(hash))
1242             throw JSONRPCError(-5, "Invalid or non-wallet transaction id");
1243         const CWalletTx& wtx = pwalletMain->mapWallet[hash];
1244
1245         int64 nCredit = wtx.GetCredit();
1246         int64 nDebit = wtx.GetDebit();
1247         int64 nNet = nCredit - nDebit;
1248         int64 nFee = (wtx.IsFromMe() ? wtx.GetValueOut() - nDebit : 0);
1249
1250         entry.push_back(Pair("amount", ValueFromAmount(nNet - nFee)));
1251         if (wtx.IsFromMe())
1252             entry.push_back(Pair("fee", ValueFromAmount(nFee)));
1253
1254         WalletTxToJSON(pwalletMain->mapWallet[hash], entry);
1255
1256         Array details;
1257         ListTransactions(pwalletMain->mapWallet[hash], "*", 0, false, details);
1258         entry.push_back(Pair("details", details));
1259     }
1260
1261     return entry;
1262 }
1263
1264
1265 Value backupwallet(const Array& params, bool fHelp)
1266 {
1267     if (fHelp || params.size() != 1)
1268         throw runtime_error(
1269             "backupwallet <destination>\n"
1270             "Safely copies wallet.dat to destination, which can be a directory or a path with filename.");
1271
1272     string strDest = params[0].get_str();
1273     BackupWallet(*pwalletMain, strDest);
1274
1275     return Value::null;
1276 }
1277
1278
1279 Value validateaddress(const Array& params, bool fHelp)
1280 {
1281     if (fHelp || params.size() != 1)
1282         throw runtime_error(
1283             "validateaddress <bitcoinaddress>\n"
1284             "Return information about <bitcoinaddress>.");
1285
1286     string strAddress = params[0].get_str();
1287     uint160 hash160;
1288     bool isValid = AddressToHash160(strAddress, hash160);
1289
1290     Object ret;
1291     ret.push_back(Pair("isvalid", isValid));
1292     if (isValid)
1293     {
1294         // Call Hash160ToAddress() so we always return current ADDRESSVERSION
1295         // version of the address:
1296         string currentAddress = Hash160ToAddress(hash160);
1297         ret.push_back(Pair("address", currentAddress));
1298         ret.push_back(Pair("ismine", (mapPubKeys.count(hash160) > 0)));
1299         CRITICAL_BLOCK(pwalletMain->cs_mapAddressBook)
1300         {
1301             if (pwalletMain->mapAddressBook.count(currentAddress))
1302                 ret.push_back(Pair("account", pwalletMain->mapAddressBook[currentAddress]));
1303         }
1304     }
1305     return ret;
1306 }
1307
1308
1309 Value getwork(const Array& params, bool fHelp)
1310 {
1311     if (fHelp || params.size() > 1)
1312         throw runtime_error(
1313             "getwork [data]\n"
1314             "If [data] is not specified, returns formatted hash data to work on:\n"
1315             "  \"midstate\" : precomputed hash state after hashing the first half of the data\n"
1316             "  \"data\" : block data\n"
1317             "  \"hash1\" : formatted hash buffer for second hash\n"
1318             "  \"target\" : little endian hash target\n"
1319             "If [data] is specified, tries to solve the block and returns true if it was successful.");
1320
1321     if (vNodes.empty())
1322         throw JSONRPCError(-9, "Bitcoin is not connected!");
1323
1324     if (IsInitialBlockDownload())
1325         throw JSONRPCError(-10, "Bitcoin is downloading blocks...");
1326
1327     static map<uint256, pair<CBlock*, unsigned int> > mapNewBlock;
1328     static vector<CBlock*> vNewBlock;
1329     static CReserveKey reservekey(pwalletMain);
1330
1331     if (params.size() == 0)
1332     {
1333         // Update block
1334         static unsigned int nTransactionsUpdatedLast;
1335         static CBlockIndex* pindexPrev;
1336         static int64 nStart;
1337         static CBlock* pblock;
1338         if (pindexPrev != pindexBest ||
1339             (nTransactionsUpdated != nTransactionsUpdatedLast && GetTime() - nStart > 60))
1340         {
1341             if (pindexPrev != pindexBest)
1342             {
1343                 // Deallocate old blocks since they're obsolete now
1344                 mapNewBlock.clear();
1345                 BOOST_FOREACH(CBlock* pblock, vNewBlock)
1346                     delete pblock;
1347                 vNewBlock.clear();
1348             }
1349             nTransactionsUpdatedLast = nTransactionsUpdated;
1350             pindexPrev = pindexBest;
1351             nStart = GetTime();
1352
1353             // Create new block
1354             pblock = CreateNewBlock(reservekey);
1355             if (!pblock)
1356                 throw JSONRPCError(-7, "Out of memory");
1357             vNewBlock.push_back(pblock);
1358         }
1359
1360         // Update nTime
1361         pblock->nTime = max(pindexPrev->GetMedianTimePast()+1, GetAdjustedTime());
1362         pblock->nNonce = 0;
1363
1364         // Update nExtraNonce
1365         static unsigned int nExtraNonce = 0;
1366         static int64 nPrevTime = 0;
1367         IncrementExtraNonce(pblock, pindexPrev, nExtraNonce, nPrevTime);
1368
1369         // Save
1370         mapNewBlock[pblock->hashMerkleRoot] = make_pair(pblock, nExtraNonce);
1371
1372         // Prebuild hash buffers
1373         char pmidstate[32];
1374         char pdata[128];
1375         char phash1[64];
1376         FormatHashBuffers(pblock, pmidstate, pdata, phash1);
1377
1378         uint256 hashTarget = CBigNum().SetCompact(pblock->nBits).getuint256();
1379
1380         Object result;
1381         result.push_back(Pair("midstate", HexStr(BEGIN(pmidstate), END(pmidstate))));
1382         result.push_back(Pair("data",     HexStr(BEGIN(pdata), END(pdata))));
1383         result.push_back(Pair("hash1",    HexStr(BEGIN(phash1), END(phash1))));
1384         result.push_back(Pair("target",   HexStr(BEGIN(hashTarget), END(hashTarget))));
1385         return result;
1386     }
1387     else
1388     {
1389         // Parse parameters
1390         vector<unsigned char> vchData = ParseHex(params[0].get_str());
1391         if (vchData.size() != 128)
1392             throw JSONRPCError(-8, "Invalid parameter");
1393         CBlock* pdata = (CBlock*)&vchData[0];
1394
1395         // Byte reverse
1396         for (int i = 0; i < 128/4; i++)
1397             ((unsigned int*)pdata)[i] = CryptoPP::ByteReverse(((unsigned int*)pdata)[i]);
1398
1399         // Get saved block
1400         if (!mapNewBlock.count(pdata->hashMerkleRoot))
1401             return false;
1402         CBlock* pblock = mapNewBlock[pdata->hashMerkleRoot].first;
1403         unsigned int nExtraNonce = mapNewBlock[pdata->hashMerkleRoot].second;
1404
1405         pblock->nTime = pdata->nTime;
1406         pblock->nNonce = pdata->nNonce;
1407         pblock->vtx[0].vin[0].scriptSig = CScript() << pblock->nBits << CBigNum(nExtraNonce);
1408         pblock->hashMerkleRoot = pblock->BuildMerkleTree();
1409
1410         return CheckWork(pblock, *pwalletMain, reservekey);
1411     }
1412 }
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424 //
1425 // Call Table
1426 //
1427
1428 pair<string, rpcfn_type> pCallTable[] =
1429 {
1430     make_pair("help",                  &help),
1431     make_pair("stop",                  &stop),
1432     make_pair("getblockcount",         &getblockcount),
1433     make_pair("getblocknumber",        &getblocknumber),
1434     make_pair("getconnectioncount",    &getconnectioncount),
1435     make_pair("getdifficulty",         &getdifficulty),
1436     make_pair("getgenerate",           &getgenerate),
1437     make_pair("setgenerate",           &setgenerate),
1438     make_pair("gethashespersec",       &gethashespersec),
1439     make_pair("getinfo",               &getinfo),
1440     make_pair("getnewaddress",         &getnewaddress),
1441     make_pair("getaccountaddress",     &getaccountaddress),
1442     make_pair("setaccount",            &setaccount),
1443     make_pair("setlabel",              &setaccount), // deprecated
1444     make_pair("getaccount",            &getaccount),
1445     make_pair("getlabel",              &getaccount), // deprecated
1446     make_pair("getaddressesbyaccount", &getaddressesbyaccount),
1447     make_pair("getaddressesbylabel",   &getaddressesbyaccount), // deprecated
1448     make_pair("sendtoaddress",         &sendtoaddress),
1449     make_pair("getamountreceived",     &getreceivedbyaddress), // deprecated, renamed to getreceivedbyaddress
1450     make_pair("getallreceived",        &listreceivedbyaddress), // deprecated, renamed to listreceivedbyaddress
1451     make_pair("getreceivedbyaddress",  &getreceivedbyaddress),
1452     make_pair("getreceivedbyaccount",  &getreceivedbyaccount),
1453     make_pair("getreceivedbylabel",    &getreceivedbyaccount), // deprecated
1454     make_pair("listreceivedbyaddress", &listreceivedbyaddress),
1455     make_pair("listreceivedbyaccount", &listreceivedbyaccount),
1456     make_pair("listreceivedbylabel",   &listreceivedbyaccount), // deprecated
1457     make_pair("backupwallet",          &backupwallet),
1458     make_pair("validateaddress",       &validateaddress),
1459     make_pair("getbalance",            &getbalance),
1460     make_pair("move",                  &movecmd),
1461     make_pair("sendfrom",              &sendfrom),
1462     make_pair("sendmany",              &sendmany),
1463     make_pair("gettransaction",        &gettransaction),
1464     make_pair("listtransactions",      &listtransactions),
1465     make_pair("getwork",               &getwork),
1466     make_pair("listaccounts",          &listaccounts),
1467     make_pair("settxfee",              &settxfee),
1468 };
1469 map<string, rpcfn_type> mapCallTable(pCallTable, pCallTable + sizeof(pCallTable)/sizeof(pCallTable[0]));
1470
1471 string pAllowInSafeMode[] =
1472 {
1473     "help",
1474     "stop",
1475     "getblockcount",
1476     "getblocknumber",
1477     "getconnectioncount",
1478     "getdifficulty",
1479     "getgenerate",
1480     "setgenerate",
1481     "gethashespersec",
1482     "getinfo",
1483     "getnewaddress",
1484     "getaccountaddress",
1485     "setlabel",
1486     "getaccount",
1487     "getlabel", // deprecated
1488     "getaddressesbyaccount",
1489     "getaddressesbylabel", // deprecated
1490     "backupwallet",
1491     "validateaddress",
1492     "getwork",
1493 };
1494 set<string> setAllowInSafeMode(pAllowInSafeMode, pAllowInSafeMode + sizeof(pAllowInSafeMode)/sizeof(pAllowInSafeMode[0]));
1495
1496
1497
1498
1499 //
1500 // HTTP protocol
1501 //
1502 // This ain't Apache.  We're just using HTTP header for the length field
1503 // and to be compatible with other JSON-RPC implementations.
1504 //
1505
1506 string HTTPPost(const string& strMsg, const map<string,string>& mapRequestHeaders)
1507 {
1508     ostringstream s;
1509     s << "POST / HTTP/1.1\r\n"
1510       << "User-Agent: bitcoin-json-rpc/" << FormatFullVersion() << "\r\n"
1511       << "Host: 127.0.0.1\r\n"
1512       << "Content-Type: application/json\r\n"
1513       << "Content-Length: " << strMsg.size() << "\r\n"
1514       << "Accept: application/json\r\n";
1515     BOOST_FOREACH(const PAIRTYPE(string, string)& item, mapRequestHeaders)
1516         s << item.first << ": " << item.second << "\r\n";
1517     s << "\r\n" << strMsg;
1518
1519     return s.str();
1520 }
1521
1522 string rfc1123Time()
1523 {
1524     char buffer[64];
1525     time_t now;
1526     time(&now);
1527     struct tm* now_gmt = gmtime(&now);
1528     string locale(setlocale(LC_TIME, NULL));
1529     setlocale(LC_TIME, "C"); // we want posix (aka "C") weekday/month strings
1530     strftime(buffer, sizeof(buffer), "%a, %d %b %Y %H:%M:%S +0000", now_gmt);
1531     setlocale(LC_TIME, locale.c_str());
1532     return string(buffer);
1533 }
1534
1535 static string HTTPReply(int nStatus, const string& strMsg)
1536 {
1537     if (nStatus == 401)
1538         return strprintf("HTTP/1.0 401 Authorization Required\r\n"
1539             "Date: %s\r\n"
1540             "Server: bitcoin-json-rpc/%s\r\n"
1541             "WWW-Authenticate: Basic realm=\"jsonrpc\"\r\n"
1542             "Content-Type: text/html\r\n"
1543             "Content-Length: 296\r\n"
1544             "\r\n"
1545             "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\"\r\n"
1546             "\"http://www.w3.org/TR/1999/REC-html401-19991224/loose.dtd\">\r\n"
1547             "<HTML>\r\n"
1548             "<HEAD>\r\n"
1549             "<TITLE>Error</TITLE>\r\n"
1550             "<META HTTP-EQUIV='Content-Type' CONTENT='text/html; charset=ISO-8859-1'>\r\n"
1551             "</HEAD>\r\n"
1552             "<BODY><H1>401 Unauthorized.</H1></BODY>\r\n"
1553             "</HTML>\r\n", rfc1123Time().c_str(), FormatFullVersion().c_str());
1554     string strStatus;
1555          if (nStatus == 200) strStatus = "OK";
1556     else if (nStatus == 400) strStatus = "Bad Request";
1557     else if (nStatus == 403) strStatus = "Forbidden";
1558     else if (nStatus == 404) strStatus = "Not Found";
1559     else if (nStatus == 500) strStatus = "Internal Server Error";
1560     return strprintf(
1561             "HTTP/1.1 %d %s\r\n"
1562             "Date: %s\r\n"
1563             "Connection: close\r\n"
1564             "Content-Length: %d\r\n"
1565             "Content-Type: application/json\r\n"
1566             "Server: bitcoin-json-rpc/%s\r\n"
1567             "\r\n"
1568             "%s",
1569         nStatus,
1570         strStatus.c_str(),
1571         rfc1123Time().c_str(),
1572         strMsg.size(),
1573         FormatFullVersion().c_str(),
1574         strMsg.c_str());
1575 }
1576
1577 int ReadHTTPStatus(std::basic_istream<char>& stream)
1578 {
1579     string str;
1580     getline(stream, str);
1581     vector<string> vWords;
1582     boost::split(vWords, str, boost::is_any_of(" "));
1583     if (vWords.size() < 2)
1584         return 500;
1585     return atoi(vWords[1].c_str());
1586 }
1587
1588 int ReadHTTPHeader(std::basic_istream<char>& stream, map<string, string>& mapHeadersRet)
1589 {
1590     int nLen = 0;
1591     loop
1592     {
1593         string str;
1594         std::getline(stream, str);
1595         if (str.empty() || str == "\r")
1596             break;
1597         string::size_type nColon = str.find(":");
1598         if (nColon != string::npos)
1599         {
1600             string strHeader = str.substr(0, nColon);
1601             boost::trim(strHeader);
1602             boost::to_lower(strHeader);
1603             string strValue = str.substr(nColon+1);
1604             boost::trim(strValue);
1605             mapHeadersRet[strHeader] = strValue;
1606             if (strHeader == "content-length")
1607                 nLen = atoi(strValue.c_str());
1608         }
1609     }
1610     return nLen;
1611 }
1612
1613 int ReadHTTP(std::basic_istream<char>& stream, map<string, string>& mapHeadersRet, string& strMessageRet)
1614 {
1615     mapHeadersRet.clear();
1616     strMessageRet = "";
1617
1618     // Read status
1619     int nStatus = ReadHTTPStatus(stream);
1620
1621     // Read header
1622     int nLen = ReadHTTPHeader(stream, mapHeadersRet);
1623     if (nLen < 0 || nLen > MAX_SIZE)
1624         return 500;
1625
1626     // Read message
1627     if (nLen > 0)
1628     {
1629         vector<char> vch(nLen);
1630         stream.read(&vch[0], nLen);
1631         strMessageRet = string(vch.begin(), vch.end());
1632     }
1633
1634     return nStatus;
1635 }
1636
1637 string EncodeBase64(string s)
1638 {
1639     BIO *b64, *bmem;
1640     BUF_MEM *bptr;
1641
1642     b64 = BIO_new(BIO_f_base64());
1643     BIO_set_flags(b64, BIO_FLAGS_BASE64_NO_NL);
1644     bmem = BIO_new(BIO_s_mem());
1645     b64 = BIO_push(b64, bmem);
1646     BIO_write(b64, s.c_str(), s.size());
1647     BIO_flush(b64);
1648     BIO_get_mem_ptr(b64, &bptr);
1649
1650     string result(bptr->data, bptr->length);
1651     BIO_free_all(b64);
1652
1653     return result;
1654 }
1655
1656 string DecodeBase64(string s)
1657 {
1658     BIO *b64, *bmem;
1659
1660     char* buffer = static_cast<char*>(calloc(s.size(), sizeof(char)));
1661
1662     b64 = BIO_new(BIO_f_base64());
1663     BIO_set_flags(b64, BIO_FLAGS_BASE64_NO_NL);
1664     bmem = BIO_new_mem_buf(const_cast<char*>(s.c_str()), s.size());
1665     bmem = BIO_push(b64, bmem);
1666     BIO_read(bmem, buffer, s.size());
1667     BIO_free_all(bmem);
1668
1669     string result(buffer);
1670     free(buffer);
1671     return result;
1672 }
1673
1674 bool HTTPAuthorized(map<string, string>& mapHeaders)
1675 {
1676     string strAuth = mapHeaders["authorization"];
1677     if (strAuth.substr(0,6) != "Basic ")
1678         return false;
1679     string strUserPass64 = strAuth.substr(6); boost::trim(strUserPass64);
1680     string strUserPass = DecodeBase64(strUserPass64);
1681     string::size_type nColon = strUserPass.find(":");
1682     if (nColon == string::npos)
1683         return false;
1684     string strUser = strUserPass.substr(0, nColon);
1685     string strPassword = strUserPass.substr(nColon+1);
1686     return (strUser == mapArgs["-rpcuser"] && strPassword == mapArgs["-rpcpassword"]);
1687 }
1688
1689 //
1690 // JSON-RPC protocol.  Bitcoin speaks version 1.0 for maximum compatibility,
1691 // but uses JSON-RPC 1.1/2.0 standards for parts of the 1.0 standard that were
1692 // unspecified (HTTP errors and contents of 'error').
1693 //
1694 // 1.0 spec: http://json-rpc.org/wiki/specification
1695 // 1.2 spec: http://groups.google.com/group/json-rpc/web/json-rpc-over-http
1696 // http://www.codeproject.com/KB/recipes/JSON_Spirit.aspx
1697 //
1698
1699 string JSONRPCRequest(const string& strMethod, const Array& params, const Value& id)
1700 {
1701     Object request;
1702     request.push_back(Pair("method", strMethod));
1703     request.push_back(Pair("params", params));
1704     request.push_back(Pair("id", id));
1705     return write_string(Value(request), false) + "\n";
1706 }
1707
1708 string JSONRPCReply(const Value& result, const Value& error, const Value& id)
1709 {
1710     Object reply;
1711     if (error.type() != null_type)
1712         reply.push_back(Pair("result", Value::null));
1713     else
1714         reply.push_back(Pair("result", result));
1715     reply.push_back(Pair("error", error));
1716     reply.push_back(Pair("id", id));
1717     return write_string(Value(reply), false) + "\n";
1718 }
1719
1720 void ErrorReply(std::ostream& stream, const Object& objError, const Value& id)
1721 {
1722     // Send error reply from json-rpc error object
1723     int nStatus = 500;
1724     int code = find_value(objError, "code").get_int();
1725     if (code == -32600) nStatus = 400;
1726     else if (code == -32601) nStatus = 404;
1727     string strReply = JSONRPCReply(Value::null, objError, id);
1728     stream << HTTPReply(nStatus, strReply) << std::flush;
1729 }
1730
1731 bool ClientAllowed(const string& strAddress)
1732 {
1733     if (strAddress == asio::ip::address_v4::loopback().to_string())
1734         return true;
1735     const vector<string>& vAllow = mapMultiArgs["-rpcallowip"];
1736     BOOST_FOREACH(string strAllow, vAllow)
1737         if (WildcardMatch(strAddress, strAllow))
1738             return true;
1739     return false;
1740 }
1741
1742 #ifdef USE_SSL
1743 //
1744 // IOStream device that speaks SSL but can also speak non-SSL
1745 //
1746 class SSLIOStreamDevice : public iostreams::device<iostreams::bidirectional> {
1747 public:
1748     SSLIOStreamDevice(SSLStream &streamIn, bool fUseSSLIn) : stream(streamIn)
1749     {
1750         fUseSSL = fUseSSLIn;
1751         fNeedHandshake = fUseSSLIn;
1752     }
1753
1754     void handshake(ssl::stream_base::handshake_type role)
1755     {
1756         if (!fNeedHandshake) return;
1757         fNeedHandshake = false;
1758         stream.handshake(role);
1759     }
1760     std::streamsize read(char* s, std::streamsize n)
1761     {
1762         handshake(ssl::stream_base::server); // HTTPS servers read first
1763         if (fUseSSL) return stream.read_some(asio::buffer(s, n));
1764         return stream.next_layer().read_some(asio::buffer(s, n));
1765     }
1766     std::streamsize write(const char* s, std::streamsize n)
1767     {
1768         handshake(ssl::stream_base::client); // HTTPS clients write first
1769         if (fUseSSL) return asio::write(stream, asio::buffer(s, n));
1770         return asio::write(stream.next_layer(), asio::buffer(s, n));
1771     }
1772     bool connect(const std::string& server, const std::string& port)
1773     {
1774         ip::tcp::resolver resolver(stream.get_io_service());
1775         ip::tcp::resolver::query query(server.c_str(), port.c_str());
1776         ip::tcp::resolver::iterator endpoint_iterator = resolver.resolve(query);
1777         ip::tcp::resolver::iterator end;
1778         boost::system::error_code error = asio::error::host_not_found;
1779         while (error && endpoint_iterator != end)
1780         {
1781             stream.lowest_layer().close();
1782             stream.lowest_layer().connect(*endpoint_iterator++, error);
1783         }
1784         if (error)
1785             return false;
1786         return true;
1787     }
1788
1789 private:
1790     bool fNeedHandshake;
1791     bool fUseSSL;
1792     SSLStream& stream;
1793 };
1794 #endif
1795
1796 void ThreadRPCServer(void* parg)
1797 {
1798     IMPLEMENT_RANDOMIZE_STACK(ThreadRPCServer(parg));
1799     try
1800     {
1801         vnThreadsRunning[4]++;
1802         ThreadRPCServer2(parg);
1803         vnThreadsRunning[4]--;
1804     }
1805     catch (std::exception& e) {
1806         vnThreadsRunning[4]--;
1807         PrintException(&e, "ThreadRPCServer()");
1808     } catch (...) {
1809         vnThreadsRunning[4]--;
1810         PrintException(NULL, "ThreadRPCServer()");
1811     }
1812     printf("ThreadRPCServer exiting\n");
1813 }
1814
1815 void ThreadRPCServer2(void* parg)
1816 {
1817     printf("ThreadRPCServer started\n");
1818
1819     if (mapArgs["-rpcuser"] == "" && mapArgs["-rpcpassword"] == "")
1820     {
1821         string strWhatAmI = "To use bitcoind";
1822         if (mapArgs.count("-server"))
1823             strWhatAmI = strprintf(_("To use the %s option"), "\"-server\"");
1824         else if (mapArgs.count("-daemon"))
1825             strWhatAmI = strprintf(_("To use the %s option"), "\"-daemon\"");
1826         PrintConsole(
1827             _("Warning: %s, you must set rpcpassword=<password>\nin the configuration file: %s\n"
1828               "If the file does not exist, create it with owner-readable-only file permissions.\n"),
1829                 strWhatAmI.c_str(),
1830                 GetConfigFile().c_str());
1831         CreateThread(Shutdown, NULL);
1832         return;
1833     }
1834
1835     bool fUseSSL = GetBoolArg("-rpcssl");
1836     asio::ip::address bindAddress = mapArgs.count("-rpcallowip") ? asio::ip::address_v4::any() : asio::ip::address_v4::loopback();
1837
1838     asio::io_service io_service;
1839     ip::tcp::endpoint endpoint(bindAddress, GetArg("-rpcport", 8332));
1840     ip::tcp::acceptor acceptor(io_service, endpoint);
1841
1842     acceptor.set_option(boost::asio::ip::tcp::acceptor::reuse_address(true));
1843
1844 #ifdef USE_SSL
1845     ssl::context context(io_service, ssl::context::sslv23);
1846     if (fUseSSL)
1847     {
1848         context.set_options(ssl::context::no_sslv2);
1849         filesystem::path certfile = GetArg("-rpcsslcertificatechainfile", "server.cert");
1850         if (!certfile.is_complete()) certfile = filesystem::path(GetDataDir()) / certfile;
1851         if (filesystem::exists(certfile)) context.use_certificate_chain_file(certfile.string().c_str());
1852         else printf("ThreadRPCServer ERROR: missing server certificate file %s\n", certfile.string().c_str());
1853         filesystem::path pkfile = GetArg("-rpcsslprivatekeyfile", "server.pem");
1854         if (!pkfile.is_complete()) pkfile = filesystem::path(GetDataDir()) / pkfile;
1855         if (filesystem::exists(pkfile)) context.use_private_key_file(pkfile.string().c_str(), ssl::context::pem);
1856         else printf("ThreadRPCServer ERROR: missing server private key file %s\n", pkfile.string().c_str());
1857
1858         string ciphers = GetArg("-rpcsslciphers",
1859                                          "TLSv1+HIGH:!SSLv2:!aNULL:!eNULL:!AH:!3DES:@STRENGTH");
1860         SSL_CTX_set_cipher_list(context.impl(), ciphers.c_str());
1861     }
1862 #else
1863     if (fUseSSL)
1864         throw runtime_error("-rpcssl=1, but bitcoin compiled without full openssl libraries.");
1865 #endif
1866
1867     loop
1868     {
1869         // Accept connection
1870 #ifdef USE_SSL
1871         SSLStream sslStream(io_service, context);
1872         SSLIOStreamDevice d(sslStream, fUseSSL);
1873         iostreams::stream<SSLIOStreamDevice> stream(d);
1874 #else
1875         ip::tcp::iostream stream;
1876 #endif
1877
1878         ip::tcp::endpoint peer;
1879         vnThreadsRunning[4]--;
1880 #ifdef USE_SSL
1881         acceptor.accept(sslStream.lowest_layer(), peer);
1882 #else
1883         acceptor.accept(*stream.rdbuf(), peer);
1884 #endif
1885         vnThreadsRunning[4]++;
1886         if (fShutdown)
1887             return;
1888
1889         // Restrict callers by IP
1890         if (!ClientAllowed(peer.address().to_string()))
1891         {
1892             // Only send a 403 if we're not using SSL to prevent a DoS during the SSL handshake.
1893             if (!fUseSSL)
1894                 stream << HTTPReply(403, "") << std::flush;
1895             continue;
1896         }
1897
1898         map<string, string> mapHeaders;
1899         string strRequest;
1900
1901         boost::thread api_caller(ReadHTTP, boost::ref(stream), boost::ref(mapHeaders), boost::ref(strRequest));
1902         if (!api_caller.timed_join(boost::posix_time::seconds(GetArg("-rpctimeout", 30))))
1903         {   // Timed out:
1904             acceptor.cancel();
1905             printf("ThreadRPCServer ReadHTTP timeout\n");
1906             continue;
1907         }
1908
1909         // Check authorization
1910         if (mapHeaders.count("authorization") == 0)
1911         {
1912             stream << HTTPReply(401, "") << std::flush;
1913             continue;
1914         }
1915         if (!HTTPAuthorized(mapHeaders))
1916         {
1917             // Deter brute-forcing short passwords
1918             if (mapArgs["-rpcpassword"].size() < 15)
1919                 Sleep(50);
1920
1921             stream << HTTPReply(401, "") << std::flush;
1922             printf("ThreadRPCServer incorrect password attempt\n");
1923             continue;
1924         }
1925
1926         Value id = Value::null;
1927         try
1928         {
1929             // Parse request
1930             Value valRequest;
1931             if (!read_string(strRequest, valRequest) || valRequest.type() != obj_type)
1932                 throw JSONRPCError(-32700, "Parse error");
1933             const Object& request = valRequest.get_obj();
1934
1935             // Parse id now so errors from here on will have the id
1936             id = find_value(request, "id");
1937
1938             // Parse method
1939             Value valMethod = find_value(request, "method");
1940             if (valMethod.type() == null_type)
1941                 throw JSONRPCError(-32600, "Missing method");
1942             if (valMethod.type() != str_type)
1943                 throw JSONRPCError(-32600, "Method must be a string");
1944             string strMethod = valMethod.get_str();
1945             if (strMethod != "getwork")
1946                 printf("ThreadRPCServer method=%s\n", strMethod.c_str());
1947
1948             // Parse params
1949             Value valParams = find_value(request, "params");
1950             Array params;
1951             if (valParams.type() == array_type)
1952                 params = valParams.get_array();
1953             else if (valParams.type() == null_type)
1954                 params = Array();
1955             else
1956                 throw JSONRPCError(-32600, "Params must be an array");
1957
1958             // Find method
1959             map<string, rpcfn_type>::iterator mi = mapCallTable.find(strMethod);
1960             if (mi == mapCallTable.end())
1961                 throw JSONRPCError(-32601, "Method not found");
1962
1963             // Observe safe mode
1964             string strWarning = GetWarnings("rpc");
1965             if (strWarning != "" && !GetBoolArg("-disablesafemode") && !setAllowInSafeMode.count(strMethod))
1966                 throw JSONRPCError(-2, string("Safe mode: ") + strWarning);
1967
1968             try
1969             {
1970                 // Execute
1971                 Value result = (*(*mi).second)(params, false);
1972
1973                 // Send reply
1974                 string strReply = JSONRPCReply(result, Value::null, id);
1975                 stream << HTTPReply(200, strReply) << std::flush;
1976             }
1977             catch (std::exception& e)
1978             {
1979                 ErrorReply(stream, JSONRPCError(-1, e.what()), id);
1980             }
1981         }
1982         catch (Object& objError)
1983         {
1984             ErrorReply(stream, objError, id);
1985         }
1986         catch (std::exception& e)
1987         {
1988             ErrorReply(stream, JSONRPCError(-32700, e.what()), id);
1989         }
1990     }
1991 }
1992
1993
1994
1995
1996 Object CallRPC(const string& strMethod, const Array& params)
1997 {
1998     if (mapArgs["-rpcuser"] == "" && mapArgs["-rpcpassword"] == "")
1999         throw runtime_error(strprintf(
2000             _("You must set rpcpassword=<password> in the configuration file:\n%s\n"
2001               "If the file does not exist, create it with owner-readable-only file permissions."),
2002                 GetConfigFile().c_str()));
2003
2004     // Connect to localhost
2005     bool fUseSSL = GetBoolArg("-rpcssl");
2006 #ifdef USE_SSL
2007     asio::io_service io_service;
2008     ssl::context context(io_service, ssl::context::sslv23);
2009     context.set_options(ssl::context::no_sslv2);
2010     SSLStream sslStream(io_service, context);
2011     SSLIOStreamDevice d(sslStream, fUseSSL);
2012     iostreams::stream<SSLIOStreamDevice> stream(d);
2013     if (!d.connect(GetArg("-rpcconnect", "127.0.0.1"), GetArg("-rpcport", "8332")))
2014         throw runtime_error("couldn't connect to server");
2015 #else
2016     if (fUseSSL)
2017         throw runtime_error("-rpcssl=1, but bitcoin compiled without full openssl libraries.");
2018
2019     ip::tcp::iostream stream(GetArg("-rpcconnect", "127.0.0.1"), GetArg("-rpcport", "8332"));
2020     if (stream.fail())
2021         throw runtime_error("couldn't connect to server");
2022 #endif
2023
2024
2025     // HTTP basic authentication
2026     string strUserPass64 = EncodeBase64(mapArgs["-rpcuser"] + ":" + mapArgs["-rpcpassword"]);
2027     map<string, string> mapRequestHeaders;
2028     mapRequestHeaders["Authorization"] = string("Basic ") + strUserPass64;
2029
2030     // Send request
2031     string strRequest = JSONRPCRequest(strMethod, params, 1);
2032     string strPost = HTTPPost(strRequest, mapRequestHeaders);
2033     stream << strPost << std::flush;
2034
2035     // Receive reply
2036     map<string, string> mapHeaders;
2037     string strReply;
2038     int nStatus = ReadHTTP(stream, mapHeaders, strReply);
2039     if (nStatus == 401)
2040         throw runtime_error("incorrect rpcuser or rpcpassword (authorization failed)");
2041     else if (nStatus >= 400 && nStatus != 400 && nStatus != 404 && nStatus != 500)
2042         throw runtime_error(strprintf("server returned HTTP error %d", nStatus));
2043     else if (strReply.empty())
2044         throw runtime_error("no response from server");
2045
2046     // Parse reply
2047     Value valReply;
2048     if (!read_string(strReply, valReply))
2049         throw runtime_error("couldn't parse reply from server");
2050     const Object& reply = valReply.get_obj();
2051     if (reply.empty())
2052         throw runtime_error("expected reply to have result, error and id properties");
2053
2054     return reply;
2055 }
2056
2057
2058
2059
2060 template<typename T>
2061 void ConvertTo(Value& value)
2062 {
2063     if (value.type() == str_type)
2064     {
2065         // reinterpret string as unquoted json value
2066         Value value2;
2067         if (!read_string(value.get_str(), value2))
2068             throw runtime_error("type mismatch");
2069         value = value2.get_value<T>();
2070     }
2071     else
2072     {
2073         value = value.get_value<T>();
2074     }
2075 }
2076
2077 int CommandLineRPC(int argc, char *argv[])
2078 {
2079     string strPrint;
2080     int nRet = 0;
2081     try
2082     {
2083         // Skip switches
2084         while (argc > 1 && IsSwitchChar(argv[1][0]))
2085         {
2086             argc--;
2087             argv++;
2088         }
2089
2090         // Method
2091         if (argc < 2)
2092             throw runtime_error("too few parameters");
2093         string strMethod = argv[1];
2094
2095         // Parameters default to strings
2096         Array params;
2097         for (int i = 2; i < argc; i++)
2098             params.push_back(argv[i]);
2099         int n = params.size();
2100
2101         //
2102         // Special case non-string parameter types
2103         //
2104         if (strMethod == "setgenerate"            && n > 0) ConvertTo<bool>(params[0]);
2105         if (strMethod == "setgenerate"            && n > 1) ConvertTo<boost::int64_t>(params[1]);
2106         if (strMethod == "sendtoaddress"          && n > 1) ConvertTo<double>(params[1]);
2107         if (strMethod == "settxfee"               && n > 0) ConvertTo<double>(params[0]);
2108         if (strMethod == "getamountreceived"      && n > 1) ConvertTo<boost::int64_t>(params[1]); // deprecated
2109         if (strMethod == "getreceivedbyaddress"   && n > 1) ConvertTo<boost::int64_t>(params[1]);
2110         if (strMethod == "getreceivedbyaccount"   && n > 1) ConvertTo<boost::int64_t>(params[1]);
2111         if (strMethod == "getreceivedbylabel"     && n > 1) ConvertTo<boost::int64_t>(params[1]); // deprecated
2112         if (strMethod == "getallreceived"         && n > 0) ConvertTo<boost::int64_t>(params[0]); // deprecated
2113         if (strMethod == "getallreceived"         && n > 1) ConvertTo<bool>(params[1]);
2114         if (strMethod == "listreceivedbyaddress"  && n > 0) ConvertTo<boost::int64_t>(params[0]);
2115         if (strMethod == "listreceivedbyaddress"  && n > 1) ConvertTo<bool>(params[1]);
2116         if (strMethod == "listreceivedbyaccount"  && n > 0) ConvertTo<boost::int64_t>(params[0]);
2117         if (strMethod == "listreceivedbyaccount"  && n > 1) ConvertTo<bool>(params[1]);
2118         if (strMethod == "listreceivedbylabel"    && n > 0) ConvertTo<boost::int64_t>(params[0]); // deprecated
2119         if (strMethod == "listreceivedbylabel"    && n > 1) ConvertTo<bool>(params[1]); // deprecated
2120         if (strMethod == "getbalance"             && n > 1) ConvertTo<boost::int64_t>(params[1]);
2121         if (strMethod == "move"                   && n > 2) ConvertTo<double>(params[2]);
2122         if (strMethod == "move"                   && n > 3) ConvertTo<boost::int64_t>(params[3]);
2123         if (strMethod == "sendfrom"               && n > 2) ConvertTo<double>(params[2]);
2124         if (strMethod == "sendfrom"               && n > 3) ConvertTo<boost::int64_t>(params[3]);
2125         if (strMethod == "listtransactions"       && n > 1) ConvertTo<boost::int64_t>(params[1]);
2126         if (strMethod == "listtransactions"       && n > 2) ConvertTo<boost::int64_t>(params[2]);
2127         if (strMethod == "listaccounts"           && n > 0) ConvertTo<boost::int64_t>(params[0]);
2128         if (strMethod == "sendmany"               && n > 1)
2129         {
2130             string s = params[1].get_str();
2131             Value v;
2132             if (!read_string(s, v) || v.type() != obj_type)
2133                 throw runtime_error("type mismatch");
2134             params[1] = v.get_obj();
2135         }
2136         if (strMethod == "sendmany"                && n > 2) ConvertTo<boost::int64_t>(params[2]);
2137
2138         // Execute
2139         Object reply = CallRPC(strMethod, params);
2140
2141         // Parse reply
2142         const Value& result = find_value(reply, "result");
2143         const Value& error  = find_value(reply, "error");
2144         const Value& id     = find_value(reply, "id");
2145
2146         if (error.type() != null_type)
2147         {
2148             // Error
2149             strPrint = "error: " + write_string(error, false);
2150             int code = find_value(error.get_obj(), "code").get_int();
2151             nRet = abs(code);
2152         }
2153         else
2154         {
2155             // Result
2156             if (result.type() == null_type)
2157                 strPrint = "";
2158             else if (result.type() == str_type)
2159                 strPrint = result.get_str();
2160             else
2161                 strPrint = write_string(result, true);
2162         }
2163     }
2164     catch (std::exception& e)
2165     {
2166         strPrint = string("error: ") + e.what();
2167         nRet = 87;
2168     }
2169     catch (...)
2170     {
2171         PrintException(NULL, "CommandLineRPC()");
2172     }
2173
2174     if (strPrint != "")
2175     {
2176 #if defined(__WXMSW__) && defined(GUI)
2177         // Windows GUI apps can't print to command line,
2178         // so settle for a message box yuck
2179         MyMessageBox(strPrint, "Bitcoin", wxOK);
2180 #else
2181         fprintf((nRet == 0 ? stdout : stderr), "%s\n", strPrint.c_str());
2182 #endif
2183     }
2184     return nRet;
2185 }
2186
2187
2188
2189
2190 #ifdef TEST
2191 int main(int argc, char *argv[])
2192 {
2193 #ifdef _MSC_VER
2194     // Turn off microsoft heap dump noise
2195     _CrtSetReportMode(_CRT_WARN, _CRTDBG_MODE_FILE);
2196     _CrtSetReportFile(_CRT_WARN, CreateFile("NUL", GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, 0));
2197 #endif
2198     setbuf(stdin, NULL);
2199     setbuf(stdout, NULL);
2200     setbuf(stderr, NULL);
2201
2202     try
2203     {
2204         if (argc >= 2 && string(argv[1]) == "-server")
2205         {
2206             printf("server ready\n");
2207             ThreadRPCServer(NULL);
2208         }
2209         else
2210         {
2211             return CommandLineRPC(argc, argv);
2212         }
2213     }
2214     catch (std::exception& e) {
2215         PrintException(&e, "main()");
2216     } catch (...) {
2217         PrintException(NULL, "main()");
2218     }
2219     return 0;
2220 }
2221 #endif