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