Merge branch '0.5.x' into 0.6.0.x
[novacoin.git] / src / bitcoinrpc.cpp
1 // Copyright (c) 2010 Satoshi Nakamoto
2 // Copyright (c) 2009-2012 The Bitcoin developers
3 // Distributed under the MIT/X11 software license, see the accompanying
4 // file license.txt or http://www.opensource.org/licenses/mit-license.php.
5
6 #include "headers.h"
7 #include "db.h"
8 #include "net.h"
9 #include "init.h"
10 #undef printf
11 #include <boost/asio.hpp>
12 #include <boost/filesystem.hpp>
13 #include <boost/iostreams/concepts.hpp>
14 #include <boost/iostreams/stream.hpp>
15 #include <boost/algorithm/string.hpp>
16 #include <boost/lexical_cast.hpp>
17 #ifdef USE_SSL
18 #include <boost/asio/ssl.hpp> 
19 #include <boost/filesystem.hpp>
20 #include <boost/filesystem/fstream.hpp>
21 typedef boost::asio::ssl::stream<boost::asio::ip::tcp::socket> SSLStream;
22 #endif
23 #include "json/json_spirit_reader_template.h"
24 #include "json/json_spirit_writer_template.h"
25 #include "json/json_spirit_utils.h"
26 #define printf OutputDebugStringF
27 // MinGW 3.4.5 gets "fatal error: had to relocate PCH" if the json headers are
28 // precompiled in headers.h.  The problem might be when the pch file goes over
29 // a certain size around 145MB.  If we need access to json_spirit outside this
30 // file, we could use the compiled json_spirit option.
31
32 using namespace std;
33 using namespace boost;
34 using namespace boost::asio;
35 using namespace json_spirit;
36
37 void ThreadRPCServer2(void* parg);
38 typedef Value(*rpcfn_type)(const Array& params, bool fHelp);
39 extern map<string, rpcfn_type> mapCallTable;
40
41 static std::string strRPCUserColonPass;
42
43 static int64 nWalletUnlockTime;
44 static CCriticalSection cs_nWalletUnlockTime;
45
46 extern Value dumpprivkey(const Array& params, bool fHelp);
47 extern Value importprivkey(const Array& params, bool fHelp);
48
49 Object JSONRPCError(int code, const string& message)
50 {
51     Object error;
52     error.push_back(Pair("code", code));
53     error.push_back(Pair("message", message));
54     return error;
55 }
56
57 double GetDifficulty(const CBlockIndex* blockindex = NULL)
58 {
59     // Floating point number that is a multiple of the minimum difficulty,
60     // minimum difficulty = 1.0.
61     if (blockindex == NULL)
62     {
63         if (pindexBest == NULL)
64             return 1.0;
65         else
66             blockindex = pindexBest;
67     }
68
69     int nShift = (blockindex->nBits >> 24) & 0xff;
70
71     double dDiff =
72         (double)0x0000ffff / (double)(blockindex->nBits & 0x00ffffff);
73
74     while (nShift < 29)
75     {
76         dDiff *= 256.0;
77         nShift++;
78     }
79     while (nShift > 29)
80     {
81         dDiff /= 256.0;
82         nShift--;
83     }
84
85     return dDiff;
86 }
87
88
89 int64 AmountFromValue(const Value& value)
90 {
91     double dAmount = value.get_real();
92     if (dAmount <= 0.0 || dAmount > 21000000.0)
93         throw JSONRPCError(-3, "Invalid amount");
94     int64 nAmount = roundint64(dAmount * COIN);
95     if (!MoneyRange(nAmount))
96         throw JSONRPCError(-3, "Invalid amount");
97     return nAmount;
98 }
99
100 Value ValueFromAmount(int64 amount)
101 {
102     return (double)amount / (double)COIN;
103 }
104
105 std::string
106 HexBits(unsigned int nBits)
107 {
108     union {
109         int32_t nBits;
110         char cBits[4];
111     } uBits;
112     uBits.nBits = htonl((int32_t)nBits);
113     return HexStr(BEGIN(uBits.cBits), END(uBits.cBits));
114 }
115
116 void WalletTxToJSON(const CWalletTx& wtx, Object& entry)
117 {
118     int confirms = wtx.GetDepthInMainChain();
119     entry.push_back(Pair("confirmations", confirms));
120     if (confirms)
121     {
122         entry.push_back(Pair("blockhash", wtx.hashBlock.GetHex()));
123         entry.push_back(Pair("blockindex", wtx.nIndex));
124     }
125     entry.push_back(Pair("txid", wtx.GetHash().GetHex()));
126     entry.push_back(Pair("time", (boost::int64_t)wtx.GetTxTime()));
127     BOOST_FOREACH(const PAIRTYPE(string,string)& item, wtx.mapValue)
128         entry.push_back(Pair(item.first, item.second));
129 }
130
131 string AccountFromValue(const Value& value)
132 {
133     string strAccount = value.get_str();
134     if (strAccount == "*")
135         throw JSONRPCError(-11, "Invalid account name");
136     return strAccount;
137 }
138
139 Object blockToJSON(const CBlock& block, const CBlockIndex* blockindex)
140 {
141     Object result;
142     result.push_back(Pair("hash", block.GetHash().GetHex()));
143     result.push_back(Pair("size", (int)::GetSerializeSize(block, SER_NETWORK)));
144     result.push_back(Pair("height", blockindex->nHeight));
145     result.push_back(Pair("version", block.nVersion));
146     result.push_back(Pair("merkleroot", block.hashMerkleRoot.GetHex()));
147     result.push_back(Pair("time", (boost::int64_t)block.GetBlockTime()));
148     result.push_back(Pair("nonce", (boost::uint64_t)block.nNonce));
149     result.push_back(Pair("bits", HexBits(block.nBits)));
150     result.push_back(Pair("difficulty", GetDifficulty(blockindex)));
151     Array txhashes;
152     BOOST_FOREACH (const CTransaction&tx, block.vtx)
153         txhashes.push_back(tx.GetHash().GetHex());
154     result.push_back(Pair("tx", txhashes));
155
156     if (blockindex->pprev)
157         result.push_back(Pair("previousblockhash", blockindex->pprev->GetBlockHash().GetHex()));
158     if (blockindex->pnext)
159         result.push_back(Pair("nextblockhash", blockindex->pnext->GetBlockHash().GetHex()));
160     return result;
161 }
162
163
164
165 ///
166 /// Note: This interface may still be subject to change.
167 ///
168
169
170 Value help(const Array& params, bool fHelp)
171 {
172     if (fHelp || params.size() > 1)
173         throw runtime_error(
174             "help [command]\n"
175             "List commands, or get help for a command.");
176
177     string strCommand;
178     if (params.size() > 0)
179         strCommand = params[0].get_str();
180
181     string strRet;
182     set<rpcfn_type> setDone;
183     for (map<string, rpcfn_type>::iterator mi = mapCallTable.begin(); mi != mapCallTable.end(); ++mi)
184     {
185         string strMethod = (*mi).first;
186         // We already filter duplicates, but these deprecated screw up the sort order
187         if (strMethod == "getamountreceived" ||
188             strMethod == "getallreceived" ||
189             strMethod == "getblocknumber" || // deprecated
190             (strMethod.find("label") != string::npos))
191             continue;
192         if (strCommand != "" && strMethod != strCommand)
193             continue;
194         try
195         {
196             Array params;
197             rpcfn_type pfn = (*mi).second;
198             if (setDone.insert(pfn).second)
199                 (*pfn)(params, true);
200         }
201         catch (std::exception& e)
202         {
203             // Help text is returned in an exception
204             string strHelp = string(e.what());
205             if (strCommand == "")
206                 if (strHelp.find('\n') != string::npos)
207                     strHelp = strHelp.substr(0, strHelp.find('\n'));
208             strRet += strHelp + "\n";
209         }
210     }
211     if (strRet == "")
212         strRet = strprintf("help: unknown command: %s\n", strCommand.c_str());
213     strRet = strRet.substr(0,strRet.size()-1);
214     return strRet;
215 }
216
217
218 Value stop(const Array& params, bool fHelp)
219 {
220     if (fHelp || params.size() != 0)
221         throw runtime_error(
222             "stop\n"
223             "Stop bitcoin server.");
224 #ifndef QT_GUI
225     // Shutdown will take long enough that the response should get back
226     CreateThread(Shutdown, NULL);
227     return "bitcoin server stopping";
228 #else
229     throw runtime_error("NYI: cannot shut down GUI with RPC command");
230 #endif
231 }
232
233
234 Value getblockcount(const Array& params, bool fHelp)
235 {
236     if (fHelp || params.size() != 0)
237         throw runtime_error(
238             "getblockcount\n"
239             "Returns the number of blocks in the longest block chain.");
240
241     return nBestHeight;
242 }
243
244
245 // deprecated
246 Value getblocknumber(const Array& params, bool fHelp)
247 {
248     if (fHelp || params.size() != 0)
249         throw runtime_error(
250             "getblocknumber\n"
251             "Deprecated.  Use getblockcount.");
252
253     return nBestHeight;
254 }
255
256
257 Value getconnectioncount(const Array& params, bool fHelp)
258 {
259     if (fHelp || params.size() != 0)
260         throw runtime_error(
261             "getconnectioncount\n"
262             "Returns the number of connections to other nodes.");
263
264     return (int)vNodes.size();
265 }
266
267
268 Value getdifficulty(const Array& params, bool fHelp)
269 {
270     if (fHelp || params.size() != 0)
271         throw runtime_error(
272             "getdifficulty\n"
273             "Returns the proof-of-work difficulty as a multiple of the minimum difficulty.");
274
275     return GetDifficulty();
276 }
277
278
279 Value getgenerate(const Array& params, bool fHelp)
280 {
281     if (fHelp || params.size() != 0)
282         throw runtime_error(
283             "getgenerate\n"
284             "Returns true or false.");
285
286     return GetBoolArg("-gen");
287 }
288
289
290 Value setgenerate(const Array& params, bool fHelp)
291 {
292     if (fHelp || params.size() < 1 || params.size() > 2)
293         throw runtime_error(
294             "setgenerate <generate> [genproclimit]\n"
295             "<generate> is true or false to turn generation on or off.\n"
296             "Generation is limited to [genproclimit] processors, -1 is unlimited.");
297
298     bool fGenerate = true;
299     if (params.size() > 0)
300         fGenerate = params[0].get_bool();
301
302     if (params.size() > 1)
303     {
304         int nGenProcLimit = params[1].get_int();
305         mapArgs["-genproclimit"] = itostr(nGenProcLimit);
306         if (nGenProcLimit == 0)
307             fGenerate = false;
308     }
309     mapArgs["-gen"] = (fGenerate ? "1" : "0");
310
311     GenerateBitcoins(fGenerate, pwalletMain);
312     return Value::null;
313 }
314
315
316 Value gethashespersec(const Array& params, bool fHelp)
317 {
318     if (fHelp || params.size() != 0)
319         throw runtime_error(
320             "gethashespersec\n"
321             "Returns a recent hashes per second performance measurement while generating.");
322
323     if (GetTimeMillis() - nHPSTimerStart > 8000)
324         return (boost::int64_t)0;
325     return (boost::int64_t)dHashesPerSec;
326 }
327
328
329 Value getinfo(const Array& params, bool fHelp)
330 {
331     if (fHelp || params.size() != 0)
332         throw runtime_error(
333             "getinfo\n"
334             "Returns an object containing various state info.");
335
336     Object obj;
337     obj.push_back(Pair("version",       (int)CLIENT_VERSION));
338     obj.push_back(Pair("protocolversion",(int)PROTOCOL_VERSION));
339     obj.push_back(Pair("walletversion", pwalletMain->GetVersion()));
340     obj.push_back(Pair("balance",       ValueFromAmount(pwalletMain->GetBalance())));
341     obj.push_back(Pair("blocks",        (int)nBestHeight));
342     obj.push_back(Pair("connections",   (int)vNodes.size()));
343     obj.push_back(Pair("proxy",         (fUseProxy ? addrProxy.ToStringIPPort() : string())));
344     obj.push_back(Pair("difficulty",    (double)GetDifficulty()));
345     obj.push_back(Pair("testnet",       fTestNet));
346     obj.push_back(Pair("keypoololdest", (boost::int64_t)pwalletMain->GetOldestKeyPoolTime()));
347     obj.push_back(Pair("keypoolsize",   pwalletMain->GetKeyPoolSize()));
348     obj.push_back(Pair("paytxfee",      ValueFromAmount(nTransactionFee)));
349     if (pwalletMain->IsCrypted())
350         obj.push_back(Pair("unlocked_until", (boost::int64_t)nWalletUnlockTime / 1000));
351     obj.push_back(Pair("errors",        GetWarnings("statusbar")));
352     return obj;
353 }
354
355
356 Value getmininginfo(const Array& params, bool fHelp)
357 {
358     if (fHelp || params.size() != 0)
359         throw runtime_error(
360             "getmininginfo\n"
361             "Returns an object containing mining-related information.");
362
363     Object obj;
364     obj.push_back(Pair("blocks",        (int)nBestHeight));
365     obj.push_back(Pair("currentblocksize",(uint64_t)nLastBlockSize));
366     obj.push_back(Pair("currentblocktx",(uint64_t)nLastBlockTx));
367     obj.push_back(Pair("difficulty",    (double)GetDifficulty()));
368     obj.push_back(Pair("errors",        GetWarnings("statusbar")));
369     obj.push_back(Pair("generate",      GetBoolArg("-gen")));
370     obj.push_back(Pair("genproclimit",  (int)GetArg("-genproclimit", -1)));
371     obj.push_back(Pair("hashespersec",  gethashespersec(params, false)));
372     obj.push_back(Pair("pooledtx",      (uint64_t)nPooledTx));
373     obj.push_back(Pair("testnet",       fTestNet));
374     return obj;
375 }
376
377
378 Value getnewaddress(const Array& params, bool fHelp)
379 {
380     if (fHelp || params.size() > 1)
381         throw runtime_error(
382             "getnewaddress [account]\n"
383             "Returns a new bitcoin address for receiving payments.  "
384             "If [account] is specified (recommended), it is added to the address book "
385             "so payments received with the address will be credited to [account].");
386
387     // Parse the account first so we don't generate a key if there's an error
388     string strAccount;
389     if (params.size() > 0)
390         strAccount = AccountFromValue(params[0]);
391
392     if (!pwalletMain->IsLocked())
393         pwalletMain->TopUpKeyPool();
394
395     // Generate a new key that is added to wallet
396     std::vector<unsigned char> newKey;
397     if (!pwalletMain->GetKeyFromPool(newKey, false))
398         throw JSONRPCError(-12, "Error: Keypool ran out, please call keypoolrefill first");
399     CBitcoinAddress address(newKey);
400
401     pwalletMain->SetAddressBookName(address, strAccount);
402
403     return address.ToString();
404 }
405
406
407 CBitcoinAddress GetAccountAddress(string strAccount, bool bForceNew=false)
408 {
409     CWalletDB walletdb(pwalletMain->strWalletFile);
410
411     CAccount account;
412     walletdb.ReadAccount(strAccount, account);
413
414     bool bKeyUsed = false;
415
416     // Check if the current key has been used
417     if (!account.vchPubKey.empty())
418     {
419         CScript scriptPubKey;
420         scriptPubKey.SetBitcoinAddress(account.vchPubKey);
421         for (map<uint256, CWalletTx>::iterator it = pwalletMain->mapWallet.begin();
422              it != pwalletMain->mapWallet.end() && !account.vchPubKey.empty();
423              ++it)
424         {
425             const CWalletTx& wtx = (*it).second;
426             BOOST_FOREACH(const CTxOut& txout, wtx.vout)
427                 if (txout.scriptPubKey == scriptPubKey)
428                     bKeyUsed = true;
429         }
430     }
431
432     // Generate a new key
433     if (account.vchPubKey.empty() || bForceNew || bKeyUsed)
434     {
435         if (!pwalletMain->GetKeyFromPool(account.vchPubKey, false))
436             throw JSONRPCError(-12, "Error: Keypool ran out, please call keypoolrefill first");
437
438         pwalletMain->SetAddressBookName(CBitcoinAddress(account.vchPubKey), strAccount);
439         walletdb.WriteAccount(strAccount, account);
440     }
441
442     return CBitcoinAddress(account.vchPubKey);
443 }
444
445 Value getaccountaddress(const Array& params, bool fHelp)
446 {
447     if (fHelp || params.size() != 1)
448         throw runtime_error(
449             "getaccountaddress <account>\n"
450             "Returns the current bitcoin address for receiving payments to this account.");
451
452     // Parse the account first so we don't generate a key if there's an error
453     string strAccount = AccountFromValue(params[0]);
454
455     Value ret;
456
457     ret = GetAccountAddress(strAccount).ToString();
458
459     return ret;
460 }
461
462
463
464 Value setaccount(const Array& params, bool fHelp)
465 {
466     if (fHelp || params.size() < 1 || params.size() > 2)
467         throw runtime_error(
468             "setaccount <bitcoinaddress> <account>\n"
469             "Sets the account associated with the given address.");
470
471     CBitcoinAddress address(params[0].get_str());
472     if (!address.IsValid())
473         throw JSONRPCError(-5, "Invalid bitcoin address");
474
475
476     string strAccount;
477     if (params.size() > 1)
478         strAccount = AccountFromValue(params[1]);
479
480     // Detect when changing the account of an address that is the 'unused current key' of another account:
481     if (pwalletMain->mapAddressBook.count(address))
482     {
483         string strOldAccount = pwalletMain->mapAddressBook[address];
484         if (address == GetAccountAddress(strOldAccount))
485             GetAccountAddress(strOldAccount, true);
486     }
487
488     pwalletMain->SetAddressBookName(address, strAccount);
489
490     return Value::null;
491 }
492
493
494 Value getaccount(const Array& params, bool fHelp)
495 {
496     if (fHelp || params.size() != 1)
497         throw runtime_error(
498             "getaccount <bitcoinaddress>\n"
499             "Returns the account associated with the given address.");
500
501     CBitcoinAddress address(params[0].get_str());
502     if (!address.IsValid())
503         throw JSONRPCError(-5, "Invalid bitcoin address");
504
505     string strAccount;
506     map<CBitcoinAddress, string>::iterator mi = pwalletMain->mapAddressBook.find(address);
507     if (mi != pwalletMain->mapAddressBook.end() && !(*mi).second.empty())
508         strAccount = (*mi).second;
509     return strAccount;
510 }
511
512
513 Value getaddressesbyaccount(const Array& params, bool fHelp)
514 {
515     if (fHelp || params.size() != 1)
516         throw runtime_error(
517             "getaddressesbyaccount <account>\n"
518             "Returns the list of addresses for the given account.");
519
520     string strAccount = AccountFromValue(params[0]);
521
522     // Find all addresses that have the given account
523     Array ret;
524     BOOST_FOREACH(const PAIRTYPE(CBitcoinAddress, string)& item, pwalletMain->mapAddressBook)
525     {
526         const CBitcoinAddress& address = item.first;
527         const string& strName = item.second;
528         if (strName == strAccount)
529             ret.push_back(address.ToString());
530     }
531     return ret;
532 }
533
534 Value settxfee(const Array& params, bool fHelp)
535 {
536     if (fHelp || params.size() < 1 || params.size() > 1)
537         throw runtime_error(
538             "settxfee <amount>\n"
539             "<amount> is a real and is rounded to the nearest 0.00000001");
540
541     // Amount
542     int64 nAmount = 0;
543     if (params[0].get_real() != 0.0)
544         nAmount = AmountFromValue(params[0]);        // rejects 0.0 amounts
545
546     nTransactionFee = nAmount;
547     return true;
548 }
549
550 Value sendtoaddress(const Array& params, bool fHelp)
551 {
552     if (pwalletMain->IsCrypted() && (fHelp || params.size() < 2 || params.size() > 4))
553         throw runtime_error(
554             "sendtoaddress <bitcoinaddress> <amount> [comment] [comment-to]\n"
555             "<amount> is a real and is rounded to the nearest 0.00000001\n"
556             "requires wallet passphrase to be set with walletpassphrase first");
557     if (!pwalletMain->IsCrypted() && (fHelp || params.size() < 2 || params.size() > 4))
558         throw runtime_error(
559             "sendtoaddress <bitcoinaddress> <amount> [comment] [comment-to]\n"
560             "<amount> is a real and is rounded to the nearest 0.00000001");
561
562     CBitcoinAddress address(params[0].get_str());
563     if (!address.IsValid())
564         throw JSONRPCError(-5, "Invalid bitcoin address");
565
566     // Amount
567     int64 nAmount = AmountFromValue(params[1]);
568
569     // Wallet comments
570     CWalletTx wtx;
571     if (params.size() > 2 && params[2].type() != null_type && !params[2].get_str().empty())
572         wtx.mapValue["comment"] = params[2].get_str();
573     if (params.size() > 3 && params[3].type() != null_type && !params[3].get_str().empty())
574         wtx.mapValue["to"]      = params[3].get_str();
575
576     if (pwalletMain->IsLocked())
577         throw JSONRPCError(-13, "Error: Please enter the wallet passphrase with walletpassphrase first.");
578
579     string strError = pwalletMain->SendMoneyToBitcoinAddress(address, nAmount, wtx);
580     if (strError != "")
581         throw JSONRPCError(-4, strError);
582
583     return wtx.GetHash().GetHex();
584 }
585
586 Value signmessage(const Array& params, bool fHelp)
587 {
588     if (fHelp || params.size() != 2)
589         throw runtime_error(
590             "signmessage <bitcoinaddress> <message>\n"
591             "Sign a message with the private key of an address");
592
593     if (pwalletMain->IsLocked())
594         throw JSONRPCError(-13, "Error: Please enter the wallet passphrase with walletpassphrase first.");
595
596     string strAddress = params[0].get_str();
597     string strMessage = params[1].get_str();
598
599     CBitcoinAddress addr(strAddress);
600     if (!addr.IsValid())
601         throw JSONRPCError(-3, "Invalid address");
602
603     CKey key;
604     if (!pwalletMain->GetKey(addr, key))
605         throw JSONRPCError(-4, "Private key not available");
606
607     CDataStream ss(SER_GETHASH);
608     ss << strMessageMagic;
609     ss << strMessage;
610
611     vector<unsigned char> vchSig;
612     if (!key.SignCompact(Hash(ss.begin(), ss.end()), vchSig))
613         throw JSONRPCError(-5, "Sign failed");
614
615     return EncodeBase64(&vchSig[0], vchSig.size());
616 }
617
618 Value verifymessage(const Array& params, bool fHelp)
619 {
620     if (fHelp || params.size() != 3)
621         throw runtime_error(
622             "verifymessage <bitcoinaddress> <signature> <message>\n"
623             "Verify a signed message");
624
625     string strAddress  = params[0].get_str();
626     string strSign     = params[1].get_str();
627     string strMessage  = params[2].get_str();
628
629     CBitcoinAddress addr(strAddress);
630     if (!addr.IsValid())
631         throw JSONRPCError(-3, "Invalid address");
632
633     bool fInvalid = false;
634     vector<unsigned char> vchSig = DecodeBase64(strSign.c_str(), &fInvalid);
635
636     if (fInvalid)
637         throw JSONRPCError(-5, "Malformed base64 encoding");
638
639     CDataStream ss(SER_GETHASH);
640     ss << strMessageMagic;
641     ss << strMessage;
642
643     CKey key;
644     if (!key.SetCompactSignature(Hash(ss.begin(), ss.end()), vchSig))
645         return false;
646
647     return (CBitcoinAddress(key.GetPubKey()) == addr);
648 }
649
650
651 Value getreceivedbyaddress(const Array& params, bool fHelp)
652 {
653     if (fHelp || params.size() < 1 || params.size() > 2)
654         throw runtime_error(
655             "getreceivedbyaddress <bitcoinaddress> [minconf=1]\n"
656             "Returns the total amount received by <bitcoinaddress> in transactions with at least [minconf] confirmations.");
657
658     // Bitcoin address
659     CBitcoinAddress address = CBitcoinAddress(params[0].get_str());
660     CScript scriptPubKey;
661     if (!address.IsValid())
662         throw JSONRPCError(-5, "Invalid bitcoin address");
663     scriptPubKey.SetBitcoinAddress(address);
664     if (!IsMine(*pwalletMain,scriptPubKey))
665         return (double)0.0;
666
667     // Minimum confirmations
668     int nMinDepth = 1;
669     if (params.size() > 1)
670         nMinDepth = params[1].get_int();
671
672     // Tally
673     int64 nAmount = 0;
674     for (map<uint256, CWalletTx>::iterator it = pwalletMain->mapWallet.begin(); it != pwalletMain->mapWallet.end(); ++it)
675     {
676         const CWalletTx& wtx = (*it).second;
677         if (wtx.IsCoinBase() || !wtx.IsFinal())
678             continue;
679
680         BOOST_FOREACH(const CTxOut& txout, wtx.vout)
681             if (txout.scriptPubKey == scriptPubKey)
682                 if (wtx.GetDepthInMainChain() >= nMinDepth)
683                     nAmount += txout.nValue;
684     }
685
686     return  ValueFromAmount(nAmount);
687 }
688
689
690 void GetAccountAddresses(string strAccount, set<CBitcoinAddress>& setAddress)
691 {
692     BOOST_FOREACH(const PAIRTYPE(CBitcoinAddress, string)& item, pwalletMain->mapAddressBook)
693     {
694         const CBitcoinAddress& address = item.first;
695         const string& strName = item.second;
696         if (strName == strAccount)
697             setAddress.insert(address);
698     }
699 }
700
701
702 Value getreceivedbyaccount(const Array& params, bool fHelp)
703 {
704     if (fHelp || params.size() < 1 || params.size() > 2)
705         throw runtime_error(
706             "getreceivedbyaccount <account> [minconf=1]\n"
707             "Returns the total amount received by addresses with <account> in transactions with at least [minconf] confirmations.");
708
709     // Minimum confirmations
710     int nMinDepth = 1;
711     if (params.size() > 1)
712         nMinDepth = params[1].get_int();
713
714     // Get the set of pub keys assigned to account
715     string strAccount = AccountFromValue(params[0]);
716     set<CBitcoinAddress> setAddress;
717     GetAccountAddresses(strAccount, setAddress);
718
719     // Tally
720     int64 nAmount = 0;
721     for (map<uint256, CWalletTx>::iterator it = pwalletMain->mapWallet.begin(); it != pwalletMain->mapWallet.end(); ++it)
722     {
723         const CWalletTx& wtx = (*it).second;
724         if (wtx.IsCoinBase() || !wtx.IsFinal())
725             continue;
726
727         BOOST_FOREACH(const CTxOut& txout, wtx.vout)
728         {
729             CBitcoinAddress address;
730             if (ExtractAddress(txout.scriptPubKey, address) && pwalletMain->HaveKey(address) && setAddress.count(address))
731                 if (wtx.GetDepthInMainChain() >= nMinDepth)
732                     nAmount += txout.nValue;
733         }
734     }
735
736     return (double)nAmount / (double)COIN;
737 }
738
739
740 int64 GetAccountBalance(CWalletDB& walletdb, const string& strAccount, int nMinDepth)
741 {
742     int64 nBalance = 0;
743
744     // Tally wallet transactions
745     for (map<uint256, CWalletTx>::iterator it = pwalletMain->mapWallet.begin(); it != pwalletMain->mapWallet.end(); ++it)
746     {
747         const CWalletTx& wtx = (*it).second;
748         if (!wtx.IsFinal())
749             continue;
750
751         int64 nGenerated, nReceived, nSent, nFee;
752         wtx.GetAccountAmounts(strAccount, nGenerated, nReceived, nSent, nFee);
753
754         if (nReceived != 0 && wtx.GetDepthInMainChain() >= nMinDepth)
755             nBalance += nReceived;
756         nBalance += nGenerated - nSent - nFee;
757     }
758
759     // Tally internal accounting entries
760     nBalance += walletdb.GetAccountCreditDebit(strAccount);
761
762     return nBalance;
763 }
764
765 int64 GetAccountBalance(const string& strAccount, int nMinDepth)
766 {
767     CWalletDB walletdb(pwalletMain->strWalletFile);
768     return GetAccountBalance(walletdb, strAccount, nMinDepth);
769 }
770
771
772 Value getbalance(const Array& params, bool fHelp)
773 {
774     if (fHelp || params.size() > 2)
775         throw runtime_error(
776             "getbalance [account] [minconf=1]\n"
777             "If [account] is not specified, returns the server's total available balance.\n"
778             "If [account] is specified, returns the balance in the account.");
779
780     if (params.size() == 0)
781         return  ValueFromAmount(pwalletMain->GetBalance());
782
783     int nMinDepth = 1;
784     if (params.size() > 1)
785         nMinDepth = params[1].get_int();
786
787     if (params[0].get_str() == "*") {
788         // Calculate total balance a different way from GetBalance()
789         // (GetBalance() sums up all unspent TxOuts)
790         // getbalance and getbalance '*' should always return the same number.
791         int64 nBalance = 0;
792         for (map<uint256, CWalletTx>::iterator it = pwalletMain->mapWallet.begin(); it != pwalletMain->mapWallet.end(); ++it)
793         {
794             const CWalletTx& wtx = (*it).second;
795             if (!wtx.IsFinal())
796                 continue;
797
798             int64 allGeneratedImmature, allGeneratedMature, allFee;
799             allGeneratedImmature = allGeneratedMature = allFee = 0;
800             string strSentAccount;
801             list<pair<CBitcoinAddress, int64> > listReceived;
802             list<pair<CBitcoinAddress, int64> > listSent;
803             wtx.GetAmounts(allGeneratedImmature, allGeneratedMature, listReceived, listSent, allFee, strSentAccount);
804             if (wtx.GetDepthInMainChain() >= nMinDepth)
805             {
806                 BOOST_FOREACH(const PAIRTYPE(CBitcoinAddress,int64)& r, listReceived)
807                     nBalance += r.second;
808             }
809             BOOST_FOREACH(const PAIRTYPE(CBitcoinAddress,int64)& r, listSent)
810                 nBalance -= r.second;
811             nBalance -= allFee;
812             nBalance += allGeneratedMature;
813         }
814         return  ValueFromAmount(nBalance);
815     }
816
817     string strAccount = AccountFromValue(params[0]);
818
819     int64 nBalance = GetAccountBalance(strAccount, nMinDepth);
820
821     return ValueFromAmount(nBalance);
822 }
823
824
825 Value movecmd(const Array& params, bool fHelp)
826 {
827     if (fHelp || params.size() < 3 || params.size() > 5)
828         throw runtime_error(
829             "move <fromaccount> <toaccount> <amount> [minconf=1] [comment]\n"
830             "Move from one account in your wallet to another.");
831
832     string strFrom = AccountFromValue(params[0]);
833     string strTo = AccountFromValue(params[1]);
834     int64 nAmount = AmountFromValue(params[2]);
835     if (params.size() > 3)
836         // unused parameter, used to be nMinDepth, keep type-checking it though
837         (void)params[3].get_int();
838     string strComment;
839     if (params.size() > 4)
840         strComment = params[4].get_str();
841
842     CWalletDB walletdb(pwalletMain->strWalletFile);
843     walletdb.TxnBegin();
844
845     int64 nNow = GetAdjustedTime();
846
847     // Debit
848     CAccountingEntry debit;
849     debit.strAccount = strFrom;
850     debit.nCreditDebit = -nAmount;
851     debit.nTime = nNow;
852     debit.strOtherAccount = strTo;
853     debit.strComment = strComment;
854     walletdb.WriteAccountingEntry(debit);
855
856     // Credit
857     CAccountingEntry credit;
858     credit.strAccount = strTo;
859     credit.nCreditDebit = nAmount;
860     credit.nTime = nNow;
861     credit.strOtherAccount = strFrom;
862     credit.strComment = strComment;
863     walletdb.WriteAccountingEntry(credit);
864
865     walletdb.TxnCommit();
866
867     return true;
868 }
869
870
871 Value sendfrom(const Array& params, bool fHelp)
872 {
873     if (pwalletMain->IsCrypted() && (fHelp || params.size() < 3 || params.size() > 6))
874         throw runtime_error(
875             "sendfrom <fromaccount> <tobitcoinaddress> <amount> [minconf=1] [comment] [comment-to]\n"
876             "<amount> is a real and is rounded to the nearest 0.00000001\n"
877             "requires wallet passphrase to be set with walletpassphrase first");
878     if (!pwalletMain->IsCrypted() && (fHelp || params.size() < 3 || params.size() > 6))
879         throw runtime_error(
880             "sendfrom <fromaccount> <tobitcoinaddress> <amount> [minconf=1] [comment] [comment-to]\n"
881             "<amount> is a real and is rounded to the nearest 0.00000001");
882
883     string strAccount = AccountFromValue(params[0]);
884     CBitcoinAddress address(params[1].get_str());
885     if (!address.IsValid())
886         throw JSONRPCError(-5, "Invalid bitcoin address");
887     int64 nAmount = AmountFromValue(params[2]);
888     int nMinDepth = 1;
889     if (params.size() > 3)
890         nMinDepth = params[3].get_int();
891
892     CWalletTx wtx;
893     wtx.strFromAccount = strAccount;
894     if (params.size() > 4 && params[4].type() != null_type && !params[4].get_str().empty())
895         wtx.mapValue["comment"] = params[4].get_str();
896     if (params.size() > 5 && params[5].type() != null_type && !params[5].get_str().empty())
897         wtx.mapValue["to"]      = params[5].get_str();
898
899     if (pwalletMain->IsLocked())
900         throw JSONRPCError(-13, "Error: Please enter the wallet passphrase with walletpassphrase first.");
901
902     // Check funds
903     int64 nBalance = GetAccountBalance(strAccount, nMinDepth);
904     if (nAmount > nBalance)
905         throw JSONRPCError(-6, "Account has insufficient funds");
906
907     // Send
908     string strError = pwalletMain->SendMoneyToBitcoinAddress(address, nAmount, wtx);
909     if (strError != "")
910         throw JSONRPCError(-4, strError);
911
912     return wtx.GetHash().GetHex();
913 }
914
915
916 Value sendmany(const Array& params, bool fHelp)
917 {
918     if (pwalletMain->IsCrypted() && (fHelp || params.size() < 2 || params.size() > 4))
919         throw runtime_error(
920             "sendmany <fromaccount> {address:amount,...} [minconf=1] [comment]\n"
921             "amounts are double-precision floating point numbers\n"
922             "requires wallet passphrase to be set with walletpassphrase first");
923     if (!pwalletMain->IsCrypted() && (fHelp || params.size() < 2 || params.size() > 4))
924         throw runtime_error(
925             "sendmany <fromaccount> {address:amount,...} [minconf=1] [comment]\n"
926             "amounts are double-precision floating point numbers");
927
928     string strAccount = AccountFromValue(params[0]);
929     Object sendTo = params[1].get_obj();
930     int nMinDepth = 1;
931     if (params.size() > 2)
932         nMinDepth = params[2].get_int();
933
934     CWalletTx wtx;
935     wtx.strFromAccount = strAccount;
936     if (params.size() > 3 && params[3].type() != null_type && !params[3].get_str().empty())
937         wtx.mapValue["comment"] = params[3].get_str();
938
939     set<CBitcoinAddress> setAddress;
940     vector<pair<CScript, int64> > vecSend;
941
942     int64 totalAmount = 0;
943     BOOST_FOREACH(const Pair& s, sendTo)
944     {
945         CBitcoinAddress address(s.name_);
946         if (!address.IsValid())
947             throw JSONRPCError(-5, string("Invalid bitcoin address:")+s.name_);
948
949         if (setAddress.count(address))
950             throw JSONRPCError(-8, string("Invalid parameter, duplicated address: ")+s.name_);
951         setAddress.insert(address);
952
953         CScript scriptPubKey;
954         scriptPubKey.SetBitcoinAddress(address);
955         int64 nAmount = AmountFromValue(s.value_); 
956         totalAmount += nAmount;
957
958         vecSend.push_back(make_pair(scriptPubKey, nAmount));
959     }
960
961     if (pwalletMain->IsLocked())
962         throw JSONRPCError(-13, "Error: Please enter the wallet passphrase with walletpassphrase first.");
963
964     // Check funds
965     int64 nBalance = GetAccountBalance(strAccount, nMinDepth);
966     if (totalAmount > nBalance)
967         throw JSONRPCError(-6, "Account has insufficient funds");
968
969     // Send
970     CReserveKey keyChange(pwalletMain);
971     int64 nFeeRequired = 0;
972     bool fCreated = pwalletMain->CreateTransaction(vecSend, wtx, keyChange, nFeeRequired);
973     if (!fCreated)
974     {
975         if (totalAmount + nFeeRequired > pwalletMain->GetBalance())
976             throw JSONRPCError(-6, "Insufficient funds");
977         throw JSONRPCError(-4, "Transaction creation failed");
978     }
979     if (!pwalletMain->CommitTransaction(wtx, keyChange))
980         throw JSONRPCError(-4, "Transaction commit failed");
981
982     return wtx.GetHash().GetHex();
983 }
984
985 Value addmultisigaddress(const Array& params, bool fHelp)
986 {
987     if (fHelp || params.size() < 2 || params.size() > 3)
988     {
989         string msg = "addmultisigaddress <nrequired> <'[\"key\",\"key\"]'> [account]\n"
990             "Add a nrequired-to-sign multisignature address to the wallet\"\n"
991             "each key is a bitcoin address or hex-encoded public key\n"
992             "If [account] is specified, assign address to [account].";
993         throw runtime_error(msg);
994     }
995     if (!fTestNet)
996         throw runtime_error("addmultisigaddress available only when running -testnet\n");
997
998     int nRequired = params[0].get_int();
999     const Array& keys = params[1].get_array();
1000     string strAccount;
1001     if (params.size() > 2)
1002         strAccount = AccountFromValue(params[2]);
1003
1004     // Gather public keys
1005     if (nRequired < 1 || keys.size() < nRequired)
1006         throw runtime_error(
1007             strprintf("wrong number of keys"
1008                       "(got %d, need at least %d)", keys.size(), nRequired));
1009     std::vector<CKey> pubkeys;
1010     pubkeys.resize(keys.size());
1011     for (unsigned int i = 0; i < keys.size(); i++)
1012     {
1013         const std::string& ks = keys[i].get_str();
1014
1015         // Case 1: bitcoin address and we have full public key:
1016         CBitcoinAddress address(ks);
1017         if (address.IsValid())
1018         {
1019             if (address.IsScript())
1020                 throw runtime_error(
1021                     strprintf("%s is a pay-to-script address",ks.c_str()));
1022             std::vector<unsigned char> vchPubKey;
1023             if (!pwalletMain->GetPubKey(address, vchPubKey))
1024                 throw runtime_error(
1025                     strprintf("no full public key for address %s",ks.c_str()));
1026             if (vchPubKey.empty() || !pubkeys[i].SetPubKey(vchPubKey))
1027                 throw runtime_error(" Invalid public key: "+ks);
1028         }
1029
1030         // Case 2: hex public key
1031         else if (IsHex(ks))
1032         {
1033             vector<unsigned char> vchPubKey = ParseHex(ks);
1034             if (vchPubKey.empty() || !pubkeys[i].SetPubKey(vchPubKey))
1035                 throw runtime_error(" Invalid public key: "+ks);
1036         }
1037         else
1038         {
1039             throw runtime_error(" Invalid public key: "+ks);
1040         }
1041     }
1042
1043     // Construct using pay-to-script-hash:
1044     CScript inner;
1045     inner.SetMultisig(nRequired, pubkeys);
1046
1047     uint160 scriptHash = Hash160(inner);
1048     CScript scriptPubKey;
1049     scriptPubKey.SetPayToScriptHash(inner);
1050     pwalletMain->AddCScript(inner);
1051     CBitcoinAddress address;
1052     address.SetScriptHash160(scriptHash);
1053
1054     pwalletMain->SetAddressBookName(address, strAccount);
1055     return address.ToString();
1056 }
1057
1058
1059 struct tallyitem
1060 {
1061     int64 nAmount;
1062     int nConf;
1063     tallyitem()
1064     {
1065         nAmount = 0;
1066         nConf = std::numeric_limits<int>::max();
1067     }
1068 };
1069
1070 Value ListReceived(const Array& params, bool fByAccounts)
1071 {
1072     // Minimum confirmations
1073     int nMinDepth = 1;
1074     if (params.size() > 0)
1075         nMinDepth = params[0].get_int();
1076
1077     // Whether to include empty accounts
1078     bool fIncludeEmpty = false;
1079     if (params.size() > 1)
1080         fIncludeEmpty = params[1].get_bool();
1081
1082     // Tally
1083     map<CBitcoinAddress, tallyitem> mapTally;
1084     for (map<uint256, CWalletTx>::iterator it = pwalletMain->mapWallet.begin(); it != pwalletMain->mapWallet.end(); ++it)
1085     {
1086         const CWalletTx& wtx = (*it).second;
1087
1088         if (wtx.IsCoinBase() || !wtx.IsFinal())
1089             continue;
1090
1091         int nDepth = wtx.GetDepthInMainChain();
1092         if (nDepth < nMinDepth)
1093             continue;
1094
1095         BOOST_FOREACH(const CTxOut& txout, wtx.vout)
1096         {
1097             CBitcoinAddress address;
1098             if (!ExtractAddress(txout.scriptPubKey, address) || !pwalletMain->HaveKey(address) || !address.IsValid())
1099                 continue;
1100
1101             tallyitem& item = mapTally[address];
1102             item.nAmount += txout.nValue;
1103             item.nConf = min(item.nConf, nDepth);
1104         }
1105     }
1106
1107     // Reply
1108     Array ret;
1109     map<string, tallyitem> mapAccountTally;
1110     BOOST_FOREACH(const PAIRTYPE(CBitcoinAddress, string)& item, pwalletMain->mapAddressBook)
1111     {
1112         const CBitcoinAddress& address = item.first;
1113         const string& strAccount = item.second;
1114         map<CBitcoinAddress, tallyitem>::iterator it = mapTally.find(address);
1115         if (it == mapTally.end() && !fIncludeEmpty)
1116             continue;
1117
1118         int64 nAmount = 0;
1119         int nConf = std::numeric_limits<int>::max();
1120         if (it != mapTally.end())
1121         {
1122             nAmount = (*it).second.nAmount;
1123             nConf = (*it).second.nConf;
1124         }
1125
1126         if (fByAccounts)
1127         {
1128             tallyitem& item = mapAccountTally[strAccount];
1129             item.nAmount += nAmount;
1130             item.nConf = min(item.nConf, nConf);
1131         }
1132         else
1133         {
1134             Object obj;
1135             obj.push_back(Pair("address",       address.ToString()));
1136             obj.push_back(Pair("account",       strAccount));
1137             obj.push_back(Pair("amount",        ValueFromAmount(nAmount)));
1138             obj.push_back(Pair("confirmations", (nConf == std::numeric_limits<int>::max() ? 0 : nConf)));
1139             ret.push_back(obj);
1140         }
1141     }
1142
1143     if (fByAccounts)
1144     {
1145         for (map<string, tallyitem>::iterator it = mapAccountTally.begin(); it != mapAccountTally.end(); ++it)
1146         {
1147             int64 nAmount = (*it).second.nAmount;
1148             int nConf = (*it).second.nConf;
1149             Object obj;
1150             obj.push_back(Pair("account",       (*it).first));
1151             obj.push_back(Pair("amount",        ValueFromAmount(nAmount)));
1152             obj.push_back(Pair("confirmations", (nConf == std::numeric_limits<int>::max() ? 0 : nConf)));
1153             ret.push_back(obj);
1154         }
1155     }
1156
1157     return ret;
1158 }
1159
1160 Value listreceivedbyaddress(const Array& params, bool fHelp)
1161 {
1162     if (fHelp || params.size() > 2)
1163         throw runtime_error(
1164             "listreceivedbyaddress [minconf=1] [includeempty=false]\n"
1165             "[minconf] is the minimum number of confirmations before payments are included.\n"
1166             "[includeempty] whether to include addresses that haven't received any payments.\n"
1167             "Returns an array of objects containing:\n"
1168             "  \"address\" : receiving address\n"
1169             "  \"account\" : the account of the receiving address\n"
1170             "  \"amount\" : total amount received by the address\n"
1171             "  \"confirmations\" : number of confirmations of the most recent transaction included");
1172
1173     return ListReceived(params, false);
1174 }
1175
1176 Value listreceivedbyaccount(const Array& params, bool fHelp)
1177 {
1178     if (fHelp || params.size() > 2)
1179         throw runtime_error(
1180             "listreceivedbyaccount [minconf=1] [includeempty=false]\n"
1181             "[minconf] is the minimum number of confirmations before payments are included.\n"
1182             "[includeempty] whether to include accounts that haven't received any payments.\n"
1183             "Returns an array of objects containing:\n"
1184             "  \"account\" : the account of the receiving addresses\n"
1185             "  \"amount\" : total amount received by addresses with this account\n"
1186             "  \"confirmations\" : number of confirmations of the most recent transaction included");
1187
1188     return ListReceived(params, true);
1189 }
1190
1191 void ListTransactions(const CWalletTx& wtx, const string& strAccount, int nMinDepth, bool fLong, Array& ret)
1192 {
1193     int64 nGeneratedImmature, nGeneratedMature, nFee;
1194     string strSentAccount;
1195     list<pair<CBitcoinAddress, int64> > listReceived;
1196     list<pair<CBitcoinAddress, int64> > listSent;
1197
1198     wtx.GetAmounts(nGeneratedImmature, nGeneratedMature, listReceived, listSent, nFee, strSentAccount);
1199
1200     bool fAllAccounts = (strAccount == string("*"));
1201
1202     // Generated blocks assigned to account ""
1203     if ((nGeneratedMature+nGeneratedImmature) != 0 && (fAllAccounts || strAccount == ""))
1204     {
1205         Object entry;
1206         entry.push_back(Pair("account", string("")));
1207         if (nGeneratedImmature)
1208         {
1209             entry.push_back(Pair("category", wtx.GetDepthInMainChain() ? "immature" : "orphan"));
1210             entry.push_back(Pair("amount", ValueFromAmount(nGeneratedImmature)));
1211         }
1212         else
1213         {
1214             entry.push_back(Pair("category", "generate"));
1215             entry.push_back(Pair("amount", ValueFromAmount(nGeneratedMature)));
1216         }
1217         if (fLong)
1218             WalletTxToJSON(wtx, entry);
1219         ret.push_back(entry);
1220     }
1221
1222     // Sent
1223     if ((!listSent.empty() || nFee != 0) && (fAllAccounts || strAccount == strSentAccount))
1224     {
1225         BOOST_FOREACH(const PAIRTYPE(CBitcoinAddress, int64)& s, listSent)
1226         {
1227             Object entry;
1228             entry.push_back(Pair("account", strSentAccount));
1229             entry.push_back(Pair("address", s.first.ToString()));
1230             entry.push_back(Pair("category", "send"));
1231             entry.push_back(Pair("amount", ValueFromAmount(-s.second)));
1232             entry.push_back(Pair("fee", ValueFromAmount(-nFee)));
1233             if (fLong)
1234                 WalletTxToJSON(wtx, entry);
1235             ret.push_back(entry);
1236         }
1237     }
1238
1239     // Received
1240     if (listReceived.size() > 0 && wtx.GetDepthInMainChain() >= nMinDepth)
1241     {
1242         BOOST_FOREACH(const PAIRTYPE(CBitcoinAddress, int64)& r, listReceived)
1243         {
1244             string account;
1245             if (pwalletMain->mapAddressBook.count(r.first))
1246                 account = pwalletMain->mapAddressBook[r.first];
1247             if (fAllAccounts || (account == strAccount))
1248             {
1249                 Object entry;
1250                 entry.push_back(Pair("account", account));
1251                 entry.push_back(Pair("address", r.first.ToString()));
1252                 entry.push_back(Pair("category", "receive"));
1253                 entry.push_back(Pair("amount", ValueFromAmount(r.second)));
1254                 if (fLong)
1255                     WalletTxToJSON(wtx, entry);
1256                 ret.push_back(entry);
1257             }
1258         }
1259     }
1260 }
1261
1262 void AcentryToJSON(const CAccountingEntry& acentry, const string& strAccount, Array& ret)
1263 {
1264     bool fAllAccounts = (strAccount == string("*"));
1265
1266     if (fAllAccounts || acentry.strAccount == strAccount)
1267     {
1268         Object entry;
1269         entry.push_back(Pair("account", acentry.strAccount));
1270         entry.push_back(Pair("category", "move"));
1271         entry.push_back(Pair("time", (boost::int64_t)acentry.nTime));
1272         entry.push_back(Pair("amount", ValueFromAmount(acentry.nCreditDebit)));
1273         entry.push_back(Pair("otheraccount", acentry.strOtherAccount));
1274         entry.push_back(Pair("comment", acentry.strComment));
1275         ret.push_back(entry);
1276     }
1277 }
1278
1279 Value listtransactions(const Array& params, bool fHelp)
1280 {
1281     if (fHelp || params.size() > 3)
1282         throw runtime_error(
1283             "listtransactions [account] [count=10] [from=0]\n"
1284             "Returns up to [count] most recent transactions skipping the first [from] transactions for account [account].");
1285
1286     string strAccount = "*";
1287     if (params.size() > 0)
1288         strAccount = params[0].get_str();
1289     int nCount = 10;
1290     if (params.size() > 1)
1291         nCount = params[1].get_int();
1292     int nFrom = 0;
1293     if (params.size() > 2)
1294         nFrom = params[2].get_int();
1295
1296     if (nCount < 0)
1297         throw JSONRPCError(-8, "Negative count");
1298     if (nFrom < 0)
1299         throw JSONRPCError(-8, "Negative from");
1300
1301     Array ret;
1302     CWalletDB walletdb(pwalletMain->strWalletFile);
1303
1304     // First: get all CWalletTx and CAccountingEntry into a sorted-by-time multimap.
1305     typedef pair<CWalletTx*, CAccountingEntry*> TxPair;
1306     typedef multimap<int64, TxPair > TxItems;
1307     TxItems txByTime;
1308
1309     // Note: maintaining indices in the database of (account,time) --> txid and (account, time) --> acentry
1310     // would make this much faster for applications that do this a lot.
1311     for (map<uint256, CWalletTx>::iterator it = pwalletMain->mapWallet.begin(); it != pwalletMain->mapWallet.end(); ++it)
1312     {
1313         CWalletTx* wtx = &((*it).second);
1314         txByTime.insert(make_pair(wtx->GetTxTime(), TxPair(wtx, (CAccountingEntry*)0)));
1315     }
1316     list<CAccountingEntry> acentries;
1317     walletdb.ListAccountCreditDebit(strAccount, acentries);
1318     BOOST_FOREACH(CAccountingEntry& entry, acentries)
1319     {
1320         txByTime.insert(make_pair(entry.nTime, TxPair((CWalletTx*)0, &entry)));
1321     }
1322
1323     // iterate backwards until we have nCount items to return:
1324     for (TxItems::reverse_iterator it = txByTime.rbegin(); it != txByTime.rend(); ++it)
1325     {
1326         CWalletTx *const pwtx = (*it).second.first;
1327         if (pwtx != 0)
1328             ListTransactions(*pwtx, strAccount, 0, true, ret);
1329         CAccountingEntry *const pacentry = (*it).second.second;
1330         if (pacentry != 0)
1331             AcentryToJSON(*pacentry, strAccount, ret);
1332
1333         if (ret.size() >= (nCount+nFrom)) break;
1334     }
1335     // ret is newest to oldest
1336     
1337     if (nFrom > ret.size()) nFrom = ret.size();
1338     if (nFrom+nCount > ret.size()) nCount = ret.size()-nFrom;
1339     Array::iterator first = ret.begin();
1340     std::advance(first, nFrom);
1341     Array::iterator last = ret.begin();
1342     std::advance(last, nFrom+nCount);
1343
1344     if (last != ret.end()) ret.erase(last, ret.end());
1345     if (first != ret.begin()) ret.erase(ret.begin(), first);
1346
1347     std::reverse(ret.begin(), ret.end()); // Return oldest to newest
1348
1349     return ret;
1350 }
1351
1352 Value listaccounts(const Array& params, bool fHelp)
1353 {
1354     if (fHelp || params.size() > 1)
1355         throw runtime_error(
1356             "listaccounts [minconf=1]\n"
1357             "Returns Object that has account names as keys, account balances as values.");
1358
1359     int nMinDepth = 1;
1360     if (params.size() > 0)
1361         nMinDepth = params[0].get_int();
1362
1363     map<string, int64> mapAccountBalances;
1364     BOOST_FOREACH(const PAIRTYPE(CBitcoinAddress, string)& entry, pwalletMain->mapAddressBook) {
1365         if (pwalletMain->HaveKey(entry.first)) // This address belongs to me
1366             mapAccountBalances[entry.second] = 0;
1367     }
1368
1369     for (map<uint256, CWalletTx>::iterator it = pwalletMain->mapWallet.begin(); it != pwalletMain->mapWallet.end(); ++it)
1370     {
1371         const CWalletTx& wtx = (*it).second;
1372         int64 nGeneratedImmature, nGeneratedMature, nFee;
1373         string strSentAccount;
1374         list<pair<CBitcoinAddress, int64> > listReceived;
1375         list<pair<CBitcoinAddress, int64> > listSent;
1376         wtx.GetAmounts(nGeneratedImmature, nGeneratedMature, listReceived, listSent, nFee, strSentAccount);
1377         mapAccountBalances[strSentAccount] -= nFee;
1378         BOOST_FOREACH(const PAIRTYPE(CBitcoinAddress, int64)& s, listSent)
1379             mapAccountBalances[strSentAccount] -= s.second;
1380         if (wtx.GetDepthInMainChain() >= nMinDepth)
1381         {
1382             mapAccountBalances[""] += nGeneratedMature;
1383             BOOST_FOREACH(const PAIRTYPE(CBitcoinAddress, int64)& r, listReceived)
1384                 if (pwalletMain->mapAddressBook.count(r.first))
1385                     mapAccountBalances[pwalletMain->mapAddressBook[r.first]] += r.second;
1386                 else
1387                     mapAccountBalances[""] += r.second;
1388         }
1389     }
1390
1391     list<CAccountingEntry> acentries;
1392     CWalletDB(pwalletMain->strWalletFile).ListAccountCreditDebit("*", acentries);
1393     BOOST_FOREACH(const CAccountingEntry& entry, acentries)
1394         mapAccountBalances[entry.strAccount] += entry.nCreditDebit;
1395
1396     Object ret;
1397     BOOST_FOREACH(const PAIRTYPE(string, int64)& accountBalance, mapAccountBalances) {
1398         ret.push_back(Pair(accountBalance.first, ValueFromAmount(accountBalance.second)));
1399     }
1400     return ret;
1401 }
1402
1403 Value listsinceblock(const Array& params, bool fHelp)
1404 {
1405     if (fHelp)
1406         throw runtime_error(
1407             "listsinceblock [blockhash] [target-confirmations]\n"
1408             "Get all transactions in blocks since block [blockhash], or all transactions if omitted");
1409
1410     CBlockIndex *pindex = NULL;
1411     int target_confirms = 1;
1412
1413     if (params.size() > 0)
1414     {
1415         uint256 blockId = 0;
1416
1417         blockId.SetHex(params[0].get_str());
1418         pindex = CBlockLocator(blockId).GetBlockIndex();
1419     }
1420
1421     if (params.size() > 1)
1422     {
1423         target_confirms = params[1].get_int();
1424
1425         if (target_confirms < 1)
1426             throw JSONRPCError(-8, "Invalid parameter");
1427     }
1428
1429     int depth = pindex ? (1 + nBestHeight - pindex->nHeight) : -1;
1430
1431     Array transactions;
1432
1433     for (map<uint256, CWalletTx>::iterator it = pwalletMain->mapWallet.begin(); it != pwalletMain->mapWallet.end(); it++)
1434     {
1435         CWalletTx tx = (*it).second;
1436
1437         if (depth == -1 || tx.GetDepthInMainChain() < depth)
1438             ListTransactions(tx, "*", 0, true, transactions);
1439     }
1440
1441     uint256 lastblock;
1442
1443     if (target_confirms == 1)
1444     {
1445         lastblock = hashBestChain;
1446     }
1447     else
1448     {
1449         int target_height = pindexBest->nHeight + 1 - target_confirms;
1450
1451         CBlockIndex *block;
1452         for (block = pindexBest;
1453              block && block->nHeight > target_height;
1454              block = block->pprev)  { }
1455
1456         lastblock = block ? block->GetBlockHash() : 0;
1457     }
1458
1459     Object ret;
1460     ret.push_back(Pair("transactions", transactions));
1461     ret.push_back(Pair("lastblock", lastblock.GetHex()));
1462
1463     return ret;
1464 }
1465
1466 Value gettransaction(const Array& params, bool fHelp)
1467 {
1468     if (fHelp || params.size() != 1)
1469         throw runtime_error(
1470             "gettransaction <txid>\n"
1471             "Get detailed information about <txid>");
1472
1473     uint256 hash;
1474     hash.SetHex(params[0].get_str());
1475
1476     Object entry;
1477
1478     if (!pwalletMain->mapWallet.count(hash))
1479         throw JSONRPCError(-5, "Invalid or non-wallet transaction id");
1480     const CWalletTx& wtx = pwalletMain->mapWallet[hash];
1481
1482     int64 nCredit = wtx.GetCredit();
1483     int64 nDebit = wtx.GetDebit();
1484     int64 nNet = nCredit - nDebit;
1485     int64 nFee = (wtx.IsFromMe() ? wtx.GetValueOut() - nDebit : 0);
1486
1487     entry.push_back(Pair("amount", ValueFromAmount(nNet - nFee)));
1488     if (wtx.IsFromMe())
1489         entry.push_back(Pair("fee", ValueFromAmount(nFee)));
1490
1491     WalletTxToJSON(pwalletMain->mapWallet[hash], entry);
1492
1493     Array details;
1494     ListTransactions(pwalletMain->mapWallet[hash], "*", 0, false, details);
1495     entry.push_back(Pair("details", details));
1496
1497     return entry;
1498 }
1499
1500
1501 Value backupwallet(const Array& params, bool fHelp)
1502 {
1503     if (fHelp || params.size() != 1)
1504         throw runtime_error(
1505             "backupwallet <destination>\n"
1506             "Safely copies wallet.dat to destination, which can be a directory or a path with filename.");
1507
1508     string strDest = params[0].get_str();
1509     BackupWallet(*pwalletMain, strDest);
1510
1511     return Value::null;
1512 }
1513
1514
1515 Value keypoolrefill(const Array& params, bool fHelp)
1516 {
1517     if (pwalletMain->IsCrypted() && (fHelp || params.size() > 0))
1518         throw runtime_error(
1519             "keypoolrefill\n"
1520             "Fills the keypool, requires wallet passphrase to be set.");
1521     if (!pwalletMain->IsCrypted() && (fHelp || params.size() > 0))
1522         throw runtime_error(
1523             "keypoolrefill\n"
1524             "Fills the keypool.");
1525
1526     if (pwalletMain->IsLocked())
1527         throw JSONRPCError(-13, "Error: Please enter the wallet passphrase with walletpassphrase first.");
1528
1529     pwalletMain->TopUpKeyPool();
1530
1531     if (pwalletMain->GetKeyPoolSize() < GetArg("-keypool", 100))
1532         throw JSONRPCError(-4, "Error refreshing keypool.");
1533
1534     return Value::null;
1535 }
1536
1537
1538 void ThreadTopUpKeyPool(void* parg)
1539 {
1540     pwalletMain->TopUpKeyPool();
1541 }
1542
1543 void ThreadCleanWalletPassphrase(void* parg)
1544 {
1545     int64 nMyWakeTime = GetTimeMillis() + *((int64*)parg) * 1000;
1546
1547     ENTER_CRITICAL_SECTION(cs_nWalletUnlockTime);
1548
1549     if (nWalletUnlockTime == 0)
1550     {
1551         nWalletUnlockTime = nMyWakeTime;
1552
1553         do
1554         {
1555             if (nWalletUnlockTime==0)
1556                 break;
1557             int64 nToSleep = nWalletUnlockTime - GetTimeMillis();
1558             if (nToSleep <= 0)
1559                 break;
1560
1561             LEAVE_CRITICAL_SECTION(cs_nWalletUnlockTime);
1562             Sleep(nToSleep);
1563             ENTER_CRITICAL_SECTION(cs_nWalletUnlockTime);
1564
1565         } while(1);
1566
1567         if (nWalletUnlockTime)
1568         {
1569             nWalletUnlockTime = 0;
1570             pwalletMain->Lock();
1571         }
1572     }
1573     else
1574     {
1575         if (nWalletUnlockTime < nMyWakeTime)
1576             nWalletUnlockTime = nMyWakeTime;
1577     }
1578
1579     LEAVE_CRITICAL_SECTION(cs_nWalletUnlockTime);
1580
1581     delete (int64*)parg;
1582 }
1583
1584 Value walletpassphrase(const Array& params, bool fHelp)
1585 {
1586     if (pwalletMain->IsCrypted() && (fHelp || params.size() != 2))
1587         throw runtime_error(
1588             "walletpassphrase <passphrase> <timeout>\n"
1589             "Stores the wallet decryption key in memory for <timeout> seconds.");
1590     if (fHelp)
1591         return true;
1592     if (!pwalletMain->IsCrypted())
1593         throw JSONRPCError(-15, "Error: running with an unencrypted wallet, but walletpassphrase was called.");
1594
1595     if (!pwalletMain->IsLocked())
1596         throw JSONRPCError(-17, "Error: Wallet is already unlocked.");
1597
1598     // Note that the walletpassphrase is stored in params[0] which is not mlock()ed
1599     SecureString strWalletPass;
1600     strWalletPass.reserve(100);
1601     // TODO: get rid of this .c_str() by implementing SecureString::operator=(std::string)
1602     // Alternately, find a way to make params[0] mlock()'d to begin with.
1603     strWalletPass = params[0].get_str().c_str();
1604
1605     if (strWalletPass.length() > 0)
1606     {
1607         if (!pwalletMain->Unlock(strWalletPass))
1608             throw JSONRPCError(-14, "Error: The wallet passphrase entered was incorrect.");
1609     }
1610     else
1611         throw runtime_error(
1612             "walletpassphrase <passphrase> <timeout>\n"
1613             "Stores the wallet decryption key in memory for <timeout> seconds.");
1614
1615     CreateThread(ThreadTopUpKeyPool, NULL);
1616     int64* pnSleepTime = new int64(params[1].get_int64());
1617     CreateThread(ThreadCleanWalletPassphrase, pnSleepTime);
1618
1619     return Value::null;
1620 }
1621
1622
1623 Value walletpassphrasechange(const Array& params, bool fHelp)
1624 {
1625     if (pwalletMain->IsCrypted() && (fHelp || params.size() != 2))
1626         throw runtime_error(
1627             "walletpassphrasechange <oldpassphrase> <newpassphrase>\n"
1628             "Changes the wallet passphrase from <oldpassphrase> to <newpassphrase>.");
1629     if (fHelp)
1630         return true;
1631     if (!pwalletMain->IsCrypted())
1632         throw JSONRPCError(-15, "Error: running with an unencrypted wallet, but walletpassphrasechange was called.");
1633
1634     // TODO: get rid of these .c_str() calls by implementing SecureString::operator=(std::string)
1635     // Alternately, find a way to make params[0] mlock()'d to begin with.
1636     SecureString strOldWalletPass;
1637     strOldWalletPass.reserve(100);
1638     strOldWalletPass = params[0].get_str().c_str();
1639
1640     SecureString strNewWalletPass;
1641     strNewWalletPass.reserve(100);
1642     strNewWalletPass = params[1].get_str().c_str();
1643
1644     if (strOldWalletPass.length() < 1 || strNewWalletPass.length() < 1)
1645         throw runtime_error(
1646             "walletpassphrasechange <oldpassphrase> <newpassphrase>\n"
1647             "Changes the wallet passphrase from <oldpassphrase> to <newpassphrase>.");
1648
1649     if (!pwalletMain->ChangeWalletPassphrase(strOldWalletPass, strNewWalletPass))
1650         throw JSONRPCError(-14, "Error: The wallet passphrase entered was incorrect.");
1651
1652     return Value::null;
1653 }
1654
1655
1656 Value walletlock(const Array& params, bool fHelp)
1657 {
1658     if (pwalletMain->IsCrypted() && (fHelp || params.size() != 0))
1659         throw runtime_error(
1660             "walletlock\n"
1661             "Removes the wallet encryption key from memory, locking the wallet.\n"
1662             "After calling this method, you will need to call walletpassphrase again\n"
1663             "before being able to call any methods which require the wallet to be unlocked.");
1664     if (fHelp)
1665         return true;
1666     if (!pwalletMain->IsCrypted())
1667         throw JSONRPCError(-15, "Error: running with an unencrypted wallet, but walletlock was called.");
1668
1669     CRITICAL_BLOCK(cs_nWalletUnlockTime)
1670     {
1671         pwalletMain->Lock();
1672         nWalletUnlockTime = 0;
1673     }
1674
1675     return Value::null;
1676 }
1677
1678
1679 Value encryptwallet(const Array& params, bool fHelp)
1680 {
1681     if (!pwalletMain->IsCrypted() && (fHelp || params.size() != 1))
1682         throw runtime_error(
1683             "encryptwallet <passphrase>\n"
1684             "Encrypts the wallet with <passphrase>.");
1685     if (fHelp)
1686         return true;
1687     if (pwalletMain->IsCrypted())
1688         throw JSONRPCError(-15, "Error: running with an encrypted wallet, but encryptwallet was called.");
1689
1690 #ifdef QT_GUI
1691     // shutting down via RPC while the GUI is running does not work (yet):
1692     throw runtime_error("Not Yet Implemented: use GUI to encrypt wallet, not RPC command");
1693 #endif
1694
1695     // TODO: get rid of this .c_str() by implementing SecureString::operator=(std::string)
1696     // Alternately, find a way to make params[0] mlock()'d to begin with.
1697     SecureString strWalletPass;
1698     strWalletPass.reserve(100);
1699     strWalletPass = params[0].get_str().c_str();
1700
1701     if (strWalletPass.length() < 1)
1702         throw runtime_error(
1703             "encryptwallet <passphrase>\n"
1704             "Encrypts the wallet with <passphrase>.");
1705
1706     if (!pwalletMain->EncryptWallet(strWalletPass))
1707         throw JSONRPCError(-16, "Error: Failed to encrypt the wallet.");
1708
1709     // BDB seems to have a bad habit of writing old data into
1710     // slack space in .dat files; that is bad if the old data is
1711     // unencrypted private keys.  So:
1712     CreateThread(Shutdown, NULL);
1713     return "wallet encrypted; bitcoin server stopping, restart to run with encrypted wallet";
1714 }
1715
1716
1717 Value validateaddress(const Array& params, bool fHelp)
1718 {
1719     if (fHelp || params.size() != 1)
1720         throw runtime_error(
1721             "validateaddress <bitcoinaddress>\n"
1722             "Return information about <bitcoinaddress>.");
1723
1724     CBitcoinAddress address(params[0].get_str());
1725     bool isValid = address.IsValid();
1726
1727     Object ret;
1728     ret.push_back(Pair("isvalid", isValid));
1729     if (isValid)
1730     {
1731         // Call Hash160ToAddress() so we always return current ADDRESSVERSION
1732         // version of the address:
1733         string currentAddress = address.ToString();
1734         ret.push_back(Pair("address", currentAddress));
1735         if (pwalletMain->HaveKey(address))
1736         {
1737             ret.push_back(Pair("ismine", true));
1738             std::vector<unsigned char> vchPubKey;
1739             pwalletMain->GetPubKey(address, vchPubKey);
1740             ret.push_back(Pair("pubkey", HexStr(vchPubKey)));
1741             CKey key;
1742             key.SetPubKey(vchPubKey);
1743             ret.push_back(Pair("iscompressed", key.IsCompressed()));
1744         }
1745         else if (pwalletMain->HaveCScript(address.GetHash160()))
1746         {
1747             ret.push_back(Pair("isscript", true));
1748             CScript subscript;
1749             pwalletMain->GetCScript(address.GetHash160(), subscript);
1750             ret.push_back(Pair("ismine", ::IsMine(*pwalletMain, subscript)));
1751             std::vector<CBitcoinAddress> addresses;
1752             txnouttype whichType;
1753             int nRequired;
1754             ExtractAddresses(subscript, whichType, addresses, nRequired);
1755             ret.push_back(Pair("script", GetTxnOutputType(whichType)));
1756             Array a;
1757             BOOST_FOREACH(const CBitcoinAddress& addr, addresses)
1758                 a.push_back(addr.ToString());
1759             ret.push_back(Pair("addresses", a));
1760             if (whichType == TX_MULTISIG)
1761                 ret.push_back(Pair("sigsrequired", nRequired));
1762         }
1763         else
1764             ret.push_back(Pair("ismine", false));
1765         if (pwalletMain->mapAddressBook.count(address))
1766             ret.push_back(Pair("account", pwalletMain->mapAddressBook[address]));
1767     }
1768     return ret;
1769 }
1770
1771 Value getwork(const Array& params, bool fHelp)
1772 {
1773     if (fHelp || params.size() > 1)
1774         throw runtime_error(
1775             "getwork [data]\n"
1776             "If [data] is not specified, returns formatted hash data to work on:\n"
1777             "  \"midstate\" : precomputed hash state after hashing the first half of the data (DEPRECATED)\n" // deprecated
1778             "  \"data\" : block data\n"
1779             "  \"hash1\" : formatted hash buffer for second hash (DEPRECATED)\n" // deprecated
1780             "  \"target\" : little endian hash target\n"
1781             "If [data] is specified, tries to solve the block and returns true if it was successful.");
1782
1783     if (vNodes.empty())
1784         throw JSONRPCError(-9, "Bitcoin is not connected!");
1785
1786     if (IsInitialBlockDownload())
1787         throw JSONRPCError(-10, "Bitcoin is downloading blocks...");
1788
1789     typedef map<uint256, pair<CBlock*, CScript> > mapNewBlock_t;
1790     static mapNewBlock_t mapNewBlock;
1791     static vector<CBlock*> vNewBlock;
1792     static CReserveKey reservekey(pwalletMain);
1793
1794     if (params.size() == 0)
1795     {
1796         // Update block
1797         static unsigned int nTransactionsUpdatedLast;
1798         static CBlockIndex* pindexPrev;
1799         static int64 nStart;
1800         static CBlock* pblock;
1801         if (pindexPrev != pindexBest ||
1802             (nTransactionsUpdated != nTransactionsUpdatedLast && GetTime() - nStart > 60))
1803         {
1804             if (pindexPrev != pindexBest)
1805             {
1806                 // Deallocate old blocks since they're obsolete now
1807                 mapNewBlock.clear();
1808                 BOOST_FOREACH(CBlock* pblock, vNewBlock)
1809                     delete pblock;
1810                 vNewBlock.clear();
1811             }
1812             nTransactionsUpdatedLast = nTransactionsUpdated;
1813             pindexPrev = pindexBest;
1814             nStart = GetTime();
1815
1816             // Create new block
1817             pblock = CreateNewBlock(reservekey);
1818             if (!pblock)
1819                 throw JSONRPCError(-7, "Out of memory");
1820             vNewBlock.push_back(pblock);
1821         }
1822
1823         // Update nTime
1824         pblock->UpdateTime(pindexPrev);
1825         pblock->nNonce = 0;
1826
1827         // Update nExtraNonce
1828         static unsigned int nExtraNonce = 0;
1829         IncrementExtraNonce(pblock, pindexPrev, nExtraNonce);
1830
1831         // Save
1832         mapNewBlock[pblock->hashMerkleRoot] = make_pair(pblock, pblock->vtx[0].vin[0].scriptSig);
1833
1834         // Prebuild hash buffers
1835         char pmidstate[32];
1836         char pdata[128];
1837         char phash1[64];
1838         FormatHashBuffers(pblock, pmidstate, pdata, phash1);
1839
1840         uint256 hashTarget = CBigNum().SetCompact(pblock->nBits).getuint256();
1841
1842         Object result;
1843         result.push_back(Pair("midstate", HexStr(BEGIN(pmidstate), END(pmidstate)))); // deprecated
1844         result.push_back(Pair("data",     HexStr(BEGIN(pdata), END(pdata))));
1845         result.push_back(Pair("hash1",    HexStr(BEGIN(phash1), END(phash1)))); // deprecated
1846         result.push_back(Pair("target",   HexStr(BEGIN(hashTarget), END(hashTarget))));
1847         return result;
1848     }
1849     else
1850     {
1851         // Parse parameters
1852         vector<unsigned char> vchData = ParseHex(params[0].get_str());
1853         if (vchData.size() != 128)
1854             throw JSONRPCError(-8, "Invalid parameter");
1855         CBlock* pdata = (CBlock*)&vchData[0];
1856
1857         // Byte reverse
1858         for (int i = 0; i < 128/4; i++)
1859             ((unsigned int*)pdata)[i] = ByteReverse(((unsigned int*)pdata)[i]);
1860
1861         // Get saved block
1862         if (!mapNewBlock.count(pdata->hashMerkleRoot))
1863             return false;
1864         CBlock* pblock = mapNewBlock[pdata->hashMerkleRoot].first;
1865
1866         pblock->nTime = pdata->nTime;
1867         pblock->nNonce = pdata->nNonce;
1868         pblock->vtx[0].vin[0].scriptSig = mapNewBlock[pdata->hashMerkleRoot].second;
1869         pblock->hashMerkleRoot = pblock->BuildMerkleTree();
1870
1871         return CheckWork(pblock, *pwalletMain, reservekey);
1872     }
1873 }
1874
1875
1876 Value getmemorypool(const Array& params, bool fHelp)
1877 {
1878     if (fHelp || params.size() > 1)
1879         throw runtime_error(
1880             "getmemorypool [data]\n"
1881             "If [data] is not specified, returns data needed to construct a block to work on:\n"
1882             "  \"version\" : block version\n"
1883             "  \"previousblockhash\" : hash of current highest block\n"
1884             "  \"transactions\" : contents of non-coinbase transactions that should be included in the next block\n"
1885             "  \"coinbasevalue\" : maximum allowable input to coinbase transaction, including the generation award and transaction fees\n"
1886             "  \"coinbaseflags\" : data that should be included in coinbase so support for new features can be judged\n"
1887             "  \"time\" : timestamp appropriate for next block\n"
1888             "  \"mintime\" : minimum timestamp appropriate for next block\n"
1889             "  \"curtime\" : current timestamp\n"
1890             "  \"bits\" : compressed target of next block\n"
1891             "If [data] is specified, tries to solve the block and returns true if it was successful.");
1892
1893     if (params.size() == 0)
1894     {
1895         if (vNodes.empty())
1896             throw JSONRPCError(-9, "Bitcoin is not connected!");
1897
1898         if (IsInitialBlockDownload())
1899             throw JSONRPCError(-10, "Bitcoin is downloading blocks...");
1900
1901         static CReserveKey reservekey(pwalletMain);
1902
1903         // Update block
1904         static unsigned int nTransactionsUpdatedLast;
1905         static CBlockIndex* pindexPrev;
1906         static int64 nStart;
1907         static CBlock* pblock;
1908         if (pindexPrev != pindexBest ||
1909             (nTransactionsUpdated != nTransactionsUpdatedLast && GetTime() - nStart > 5))
1910         {
1911             nTransactionsUpdatedLast = nTransactionsUpdated;
1912             pindexPrev = pindexBest;
1913             nStart = GetTime();
1914
1915             // Create new block
1916             if(pblock)
1917                 delete pblock;
1918             pblock = CreateNewBlock(reservekey);
1919             if (!pblock)
1920                 throw JSONRPCError(-7, "Out of memory");
1921         }
1922
1923         // Update nTime
1924         pblock->UpdateTime(pindexPrev);
1925         pblock->nNonce = 0;
1926
1927         Array transactions;
1928         BOOST_FOREACH(CTransaction tx, pblock->vtx) {
1929             if(tx.IsCoinBase())
1930                 continue;
1931
1932             CDataStream ssTx;
1933             ssTx << tx;
1934
1935             transactions.push_back(HexStr(ssTx.begin(), ssTx.end()));
1936         }
1937
1938         Object result;
1939         result.push_back(Pair("version", pblock->nVersion));
1940         result.push_back(Pair("previousblockhash", pblock->hashPrevBlock.GetHex()));
1941         result.push_back(Pair("transactions", transactions));
1942         result.push_back(Pair("coinbasevalue", (int64_t)pblock->vtx[0].vout[0].nValue));
1943         result.push_back(Pair("coinbaseflags", HexStr(COINBASE_FLAGS.begin(), COINBASE_FLAGS.end())));
1944         result.push_back(Pair("time", (int64_t)pblock->nTime));
1945         result.push_back(Pair("mintime", (int64_t)pindexPrev->GetMedianTimePast()+1));
1946         result.push_back(Pair("curtime", (int64_t)GetAdjustedTime()));
1947         result.push_back(Pair("bits", HexBits(pblock->nBits)));
1948
1949         return result;
1950     }
1951     else
1952     {
1953         // Parse parameters
1954         CDataStream ssBlock(ParseHex(params[0].get_str()));
1955         CBlock pblock;
1956         ssBlock >> pblock;
1957
1958         return ProcessBlock(NULL, &pblock);
1959     }
1960 }
1961
1962 Value getblockhash(const Array& params, bool fHelp)
1963 {
1964     if (fHelp || params.size() != 1)
1965         throw runtime_error(
1966             "getblockhash <index>\n"
1967             "Returns hash of block in best-block-chain at <index>.");
1968
1969     int nHeight = params[0].get_int();
1970     if (nHeight < 0 || nHeight > nBestHeight)
1971         throw runtime_error("Block number out of range.");
1972
1973     CBlock block;
1974     CBlockIndex* pblockindex = mapBlockIndex[hashBestChain];
1975     while (pblockindex->nHeight > nHeight)
1976         pblockindex = pblockindex->pprev;
1977     return pblockindex->phashBlock->GetHex();
1978 }
1979
1980 Value getblock(const Array& params, bool fHelp)
1981 {
1982     if (fHelp || params.size() != 1)
1983         throw runtime_error(
1984             "getblock <hash>\n"
1985             "Returns details of a block with given block-hash.");
1986
1987     std::string strHash = params[0].get_str();
1988     uint256 hash(strHash);
1989
1990     if (mapBlockIndex.count(hash) == 0)
1991         throw JSONRPCError(-5, "Block not found");
1992
1993     CBlock block;
1994     CBlockIndex* pblockindex = mapBlockIndex[hash];
1995     block.ReadFromDisk(pblockindex, true);
1996
1997     return blockToJSON(block, pblockindex);
1998 }
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010 //
2011 // Call Table
2012 //
2013
2014 pair<string, rpcfn_type> pCallTable[] =
2015 {
2016     make_pair("help",                   &help),
2017     make_pair("stop",                   &stop),
2018     make_pair("getblockcount",          &getblockcount),
2019     make_pair("getblocknumber",         &getblocknumber),
2020     make_pair("getconnectioncount",     &getconnectioncount),
2021     make_pair("getdifficulty",          &getdifficulty),
2022     make_pair("getgenerate",            &getgenerate),
2023     make_pair("setgenerate",            &setgenerate),
2024     make_pair("gethashespersec",        &gethashespersec),
2025     make_pair("getinfo",                &getinfo),
2026     make_pair("getmininginfo",          &getmininginfo),
2027     make_pair("getnewaddress",          &getnewaddress),
2028     make_pair("getaccountaddress",      &getaccountaddress),
2029     make_pair("setaccount",             &setaccount),
2030     make_pair("getaccount",             &getaccount),
2031     make_pair("getaddressesbyaccount",  &getaddressesbyaccount),
2032     make_pair("sendtoaddress",          &sendtoaddress),
2033     make_pair("getreceivedbyaddress",   &getreceivedbyaddress),
2034     make_pair("getreceivedbyaccount",   &getreceivedbyaccount),
2035     make_pair("listreceivedbyaddress",  &listreceivedbyaddress),
2036     make_pair("listreceivedbyaccount",  &listreceivedbyaccount),
2037     make_pair("backupwallet",           &backupwallet),
2038     make_pair("keypoolrefill",          &keypoolrefill),
2039     make_pair("walletpassphrase",       &walletpassphrase),
2040     make_pair("walletpassphrasechange", &walletpassphrasechange),
2041     make_pair("walletlock",             &walletlock),
2042     make_pair("encryptwallet",          &encryptwallet),
2043     make_pair("validateaddress",        &validateaddress),
2044     make_pair("getbalance",             &getbalance),
2045     make_pair("move",                   &movecmd),
2046     make_pair("sendfrom",               &sendfrom),
2047     make_pair("sendmany",               &sendmany),
2048     make_pair("addmultisigaddress",     &addmultisigaddress),
2049     make_pair("getblock",               &getblock),
2050     make_pair("getblockhash",           &getblockhash),
2051     make_pair("gettransaction",         &gettransaction),
2052     make_pair("listtransactions",       &listtransactions),
2053     make_pair("signmessage",            &signmessage),
2054     make_pair("verifymessage",          &verifymessage),
2055     make_pair("getwork",                &getwork),
2056     make_pair("listaccounts",           &listaccounts),
2057     make_pair("settxfee",               &settxfee),
2058     make_pair("getmemorypool",          &getmemorypool),
2059     make_pair("listsinceblock",         &listsinceblock),
2060     make_pair("dumpprivkey",            &dumpprivkey),
2061     make_pair("importprivkey",          &importprivkey)
2062 };
2063 map<string, rpcfn_type> mapCallTable(pCallTable, pCallTable + sizeof(pCallTable)/sizeof(pCallTable[0]));
2064
2065 string pAllowInSafeMode[] =
2066 {
2067     "help",
2068     "stop",
2069     "getblockcount",
2070     "getblocknumber",  // deprecated
2071     "getconnectioncount",
2072     "getdifficulty",
2073     "getgenerate",
2074     "setgenerate",
2075     "gethashespersec",
2076     "getinfo",
2077     "getmininginfo",
2078     "getnewaddress",
2079     "getaccountaddress",
2080     "getaccount",
2081     "getaddressesbyaccount",
2082     "backupwallet",
2083     "keypoolrefill",
2084     "walletpassphrase",
2085     "walletlock",
2086     "validateaddress",
2087     "getwork",
2088     "getmemorypool",
2089 };
2090 set<string> setAllowInSafeMode(pAllowInSafeMode, pAllowInSafeMode + sizeof(pAllowInSafeMode)/sizeof(pAllowInSafeMode[0]));
2091
2092
2093
2094
2095 //
2096 // HTTP protocol
2097 //
2098 // This ain't Apache.  We're just using HTTP header for the length field
2099 // and to be compatible with other JSON-RPC implementations.
2100 //
2101
2102 string HTTPPost(const string& strMsg, const map<string,string>& mapRequestHeaders)
2103 {
2104     ostringstream s;
2105     s << "POST / HTTP/1.1\r\n"
2106       << "User-Agent: bitcoin-json-rpc/" << FormatFullVersion() << "\r\n"
2107       << "Host: 127.0.0.1\r\n"
2108       << "Content-Type: application/json\r\n"
2109       << "Content-Length: " << strMsg.size() << "\r\n"
2110       << "Connection: close\r\n"
2111       << "Accept: application/json\r\n";
2112     BOOST_FOREACH(const PAIRTYPE(string, string)& item, mapRequestHeaders)
2113         s << item.first << ": " << item.second << "\r\n";
2114     s << "\r\n" << strMsg;
2115
2116     return s.str();
2117 }
2118
2119 string rfc1123Time()
2120 {
2121     char buffer[64];
2122     time_t now;
2123     time(&now);
2124     struct tm* now_gmt = gmtime(&now);
2125     string locale(setlocale(LC_TIME, NULL));
2126     setlocale(LC_TIME, "C"); // we want posix (aka "C") weekday/month strings
2127     strftime(buffer, sizeof(buffer), "%a, %d %b %Y %H:%M:%S +0000", now_gmt);
2128     setlocale(LC_TIME, locale.c_str());
2129     return string(buffer);
2130 }
2131
2132 static string HTTPReply(int nStatus, const string& strMsg)
2133 {
2134     if (nStatus == 401)
2135         return strprintf("HTTP/1.0 401 Authorization Required\r\n"
2136             "Date: %s\r\n"
2137             "Server: bitcoin-json-rpc/%s\r\n"
2138             "WWW-Authenticate: Basic realm=\"jsonrpc\"\r\n"
2139             "Content-Type: text/html\r\n"
2140             "Content-Length: 296\r\n"
2141             "\r\n"
2142             "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\"\r\n"
2143             "\"http://www.w3.org/TR/1999/REC-html401-19991224/loose.dtd\">\r\n"
2144             "<HTML>\r\n"
2145             "<HEAD>\r\n"
2146             "<TITLE>Error</TITLE>\r\n"
2147             "<META HTTP-EQUIV='Content-Type' CONTENT='text/html; charset=ISO-8859-1'>\r\n"
2148             "</HEAD>\r\n"
2149             "<BODY><H1>401 Unauthorized.</H1></BODY>\r\n"
2150             "</HTML>\r\n", rfc1123Time().c_str(), FormatFullVersion().c_str());
2151     const char *cStatus;
2152          if (nStatus == 200) cStatus = "OK";
2153     else if (nStatus == 400) cStatus = "Bad Request";
2154     else if (nStatus == 403) cStatus = "Forbidden";
2155     else if (nStatus == 404) cStatus = "Not Found";
2156     else if (nStatus == 500) cStatus = "Internal Server Error";
2157     else cStatus = "";
2158     return strprintf(
2159             "HTTP/1.1 %d %s\r\n"
2160             "Date: %s\r\n"
2161             "Connection: close\r\n"
2162             "Content-Length: %d\r\n"
2163             "Content-Type: application/json\r\n"
2164             "Server: bitcoin-json-rpc/%s\r\n"
2165             "\r\n"
2166             "%s",
2167         nStatus,
2168         cStatus,
2169         rfc1123Time().c_str(),
2170         strMsg.size(),
2171         FormatFullVersion().c_str(),
2172         strMsg.c_str());
2173 }
2174
2175 int ReadHTTPStatus(std::basic_istream<char>& stream)
2176 {
2177     string str;
2178     getline(stream, str);
2179     vector<string> vWords;
2180     boost::split(vWords, str, boost::is_any_of(" "));
2181     if (vWords.size() < 2)
2182         return 500;
2183     return atoi(vWords[1].c_str());
2184 }
2185
2186 int ReadHTTPHeader(std::basic_istream<char>& stream, map<string, string>& mapHeadersRet)
2187 {
2188     int nLen = 0;
2189     loop
2190     {
2191         string str;
2192         std::getline(stream, str);
2193         if (str.empty() || str == "\r")
2194             break;
2195         string::size_type nColon = str.find(":");
2196         if (nColon != string::npos)
2197         {
2198             string strHeader = str.substr(0, nColon);
2199             boost::trim(strHeader);
2200             boost::to_lower(strHeader);
2201             string strValue = str.substr(nColon+1);
2202             boost::trim(strValue);
2203             mapHeadersRet[strHeader] = strValue;
2204             if (strHeader == "content-length")
2205                 nLen = atoi(strValue.c_str());
2206         }
2207     }
2208     return nLen;
2209 }
2210
2211 int ReadHTTP(std::basic_istream<char>& stream, map<string, string>& mapHeadersRet, string& strMessageRet)
2212 {
2213     mapHeadersRet.clear();
2214     strMessageRet = "";
2215
2216     // Read status
2217     int nStatus = ReadHTTPStatus(stream);
2218
2219     // Read header
2220     int nLen = ReadHTTPHeader(stream, mapHeadersRet);
2221     if (nLen < 0 || nLen > MAX_SIZE)
2222         return 500;
2223
2224     // Read message
2225     if (nLen > 0)
2226     {
2227         vector<char> vch(nLen);
2228         stream.read(&vch[0], nLen);
2229         strMessageRet = string(vch.begin(), vch.end());
2230     }
2231
2232     return nStatus;
2233 }
2234
2235 bool HTTPAuthorized(map<string, string>& mapHeaders)
2236 {
2237     string strAuth = mapHeaders["authorization"];
2238     if (strAuth.substr(0,6) != "Basic ")
2239         return false;
2240     string strUserPass64 = strAuth.substr(6); boost::trim(strUserPass64);
2241     string strUserPass = DecodeBase64(strUserPass64);
2242     return strUserPass == strRPCUserColonPass;
2243 }
2244
2245 //
2246 // JSON-RPC protocol.  Bitcoin speaks version 1.0 for maximum compatibility,
2247 // but uses JSON-RPC 1.1/2.0 standards for parts of the 1.0 standard that were
2248 // unspecified (HTTP errors and contents of 'error').
2249 //
2250 // 1.0 spec: http://json-rpc.org/wiki/specification
2251 // 1.2 spec: http://groups.google.com/group/json-rpc/web/json-rpc-over-http
2252 // http://www.codeproject.com/KB/recipes/JSON_Spirit.aspx
2253 //
2254
2255 string JSONRPCRequest(const string& strMethod, const Array& params, const Value& id)
2256 {
2257     Object request;
2258     request.push_back(Pair("method", strMethod));
2259     request.push_back(Pair("params", params));
2260     request.push_back(Pair("id", id));
2261     return write_string(Value(request), false) + "\n";
2262 }
2263
2264 string JSONRPCReply(const Value& result, const Value& error, const Value& id)
2265 {
2266     Object reply;
2267     if (error.type() != null_type)
2268         reply.push_back(Pair("result", Value::null));
2269     else
2270         reply.push_back(Pair("result", result));
2271     reply.push_back(Pair("error", error));
2272     reply.push_back(Pair("id", id));
2273     return write_string(Value(reply), false) + "\n";
2274 }
2275
2276 void ErrorReply(std::ostream& stream, const Object& objError, const Value& id)
2277 {
2278     // Send error reply from json-rpc error object
2279     int nStatus = 500;
2280     int code = find_value(objError, "code").get_int();
2281     if (code == -32600) nStatus = 400;
2282     else if (code == -32601) nStatus = 404;
2283     string strReply = JSONRPCReply(Value::null, objError, id);
2284     stream << HTTPReply(nStatus, strReply) << std::flush;
2285 }
2286
2287 bool ClientAllowed(const string& strAddress)
2288 {
2289     if (strAddress == asio::ip::address_v4::loopback().to_string())
2290         return true;
2291     const vector<string>& vAllow = mapMultiArgs["-rpcallowip"];
2292     BOOST_FOREACH(string strAllow, vAllow)
2293         if (WildcardMatch(strAddress, strAllow))
2294             return true;
2295     return false;
2296 }
2297
2298 #ifdef USE_SSL
2299 //
2300 // IOStream device that speaks SSL but can also speak non-SSL
2301 //
2302 class SSLIOStreamDevice : public iostreams::device<iostreams::bidirectional> {
2303 public:
2304     SSLIOStreamDevice(SSLStream &streamIn, bool fUseSSLIn) : stream(streamIn)
2305     {
2306         fUseSSL = fUseSSLIn;
2307         fNeedHandshake = fUseSSLIn;
2308     }
2309
2310     void handshake(ssl::stream_base::handshake_type role)
2311     {
2312         if (!fNeedHandshake) return;
2313         fNeedHandshake = false;
2314         stream.handshake(role);
2315     }
2316     std::streamsize read(char* s, std::streamsize n)
2317     {
2318         handshake(ssl::stream_base::server); // HTTPS servers read first
2319         if (fUseSSL) return stream.read_some(asio::buffer(s, n));
2320         return stream.next_layer().read_some(asio::buffer(s, n));
2321     }
2322     std::streamsize write(const char* s, std::streamsize n)
2323     {
2324         handshake(ssl::stream_base::client); // HTTPS clients write first
2325         if (fUseSSL) return asio::write(stream, asio::buffer(s, n));
2326         return asio::write(stream.next_layer(), asio::buffer(s, n));
2327     }
2328     bool connect(const std::string& server, const std::string& port)
2329     {
2330         ip::tcp::resolver resolver(stream.get_io_service());
2331         ip::tcp::resolver::query query(server.c_str(), port.c_str());
2332         ip::tcp::resolver::iterator endpoint_iterator = resolver.resolve(query);
2333         ip::tcp::resolver::iterator end;
2334         boost::system::error_code error = asio::error::host_not_found;
2335         while (error && endpoint_iterator != end)
2336         {
2337             stream.lowest_layer().close();
2338             stream.lowest_layer().connect(*endpoint_iterator++, error);
2339         }
2340         if (error)
2341             return false;
2342         return true;
2343     }
2344
2345 private:
2346     bool fNeedHandshake;
2347     bool fUseSSL;
2348     SSLStream& stream;
2349 };
2350 #endif
2351
2352 void ThreadRPCServer(void* parg)
2353 {
2354     IMPLEMENT_RANDOMIZE_STACK(ThreadRPCServer(parg));
2355     try
2356     {
2357         vnThreadsRunning[THREAD_RPCSERVER]++;
2358         ThreadRPCServer2(parg);
2359         vnThreadsRunning[THREAD_RPCSERVER]--;
2360     }
2361     catch (std::exception& e) {
2362         vnThreadsRunning[THREAD_RPCSERVER]--;
2363         PrintException(&e, "ThreadRPCServer()");
2364     } catch (...) {
2365         vnThreadsRunning[THREAD_RPCSERVER]--;
2366         PrintException(NULL, "ThreadRPCServer()");
2367     }
2368     printf("ThreadRPCServer exiting\n");
2369 }
2370
2371 #ifdef QT_GUI
2372 extern bool HACK_SHUTDOWN;
2373 #endif
2374
2375 void ThreadRPCServer2(void* parg)
2376 {
2377     printf("ThreadRPCServer started\n");
2378
2379     strRPCUserColonPass = mapArgs["-rpcuser"] + ":" + mapArgs["-rpcpassword"];
2380     if (mapArgs["-rpcpassword"] == "")
2381     {
2382         unsigned char rand_pwd[32];
2383         RAND_bytes(rand_pwd, 32);
2384         string strWhatAmI = "To use bitcoind";
2385         if (mapArgs.count("-server"))
2386             strWhatAmI = strprintf(_("To use the %s option"), "\"-server\"");
2387         else if (mapArgs.count("-daemon"))
2388             strWhatAmI = strprintf(_("To use the %s option"), "\"-daemon\"");
2389         ThreadSafeMessageBox(strprintf(
2390             _("%s, you must set a rpcpassword in the configuration file:\n %s\n"
2391               "It is recommended you use the following random password:\n"
2392               "rpcuser=bitcoinrpc\n"
2393               "rpcpassword=%s\n"
2394               "(you do not need to remember this password)\n"
2395               "If the file does not exist, create it with owner-readable-only file permissions.\n"),
2396                 strWhatAmI.c_str(),
2397                 GetConfigFile().c_str(),
2398                 EncodeBase58(&rand_pwd[0],&rand_pwd[0]+32).c_str()),
2399             _("Error"), wxOK | wxMODAL);
2400 #ifndef QT_GUI
2401         CreateThread(Shutdown, NULL);
2402 #endif
2403         return;
2404     }
2405
2406     bool fUseSSL = GetBoolArg("-rpcssl");
2407     asio::ip::address bindAddress = mapArgs.count("-rpcallowip") ? asio::ip::address_v4::any() : asio::ip::address_v4::loopback();
2408
2409     asio::io_service io_service;
2410     ip::tcp::endpoint endpoint(bindAddress, GetArg("-rpcport", 8332));
2411 #ifndef QT_GUI
2412     ip::tcp::acceptor acceptor(io_service, endpoint);
2413
2414     acceptor.set_option(boost::asio::ip::tcp::acceptor::reuse_address(true));
2415 #else
2416     ip::tcp::acceptor acceptor(io_service);
2417     try
2418     {
2419         acceptor.open(endpoint.protocol());
2420         acceptor.set_option(boost::asio::ip::tcp::acceptor::reuse_address(true));
2421         acceptor.bind(endpoint);
2422         acceptor.listen(socket_base::max_connections);
2423     }
2424     catch(system::system_error &e)
2425     {
2426         HACK_SHUTDOWN = true;
2427         ThreadSafeMessageBox(strprintf(_("An error occured while setting up the RPC port %i for listening: %s"), endpoint.port(), e.what()),
2428                              _("Error"), wxOK | wxMODAL);
2429         return;
2430     }
2431 #endif
2432
2433 #ifdef USE_SSL
2434     ssl::context context(io_service, ssl::context::sslv23);
2435     if (fUseSSL)
2436     {
2437         context.set_options(ssl::context::no_sslv2);
2438         filesystem::path certfile = GetArg("-rpcsslcertificatechainfile", "server.cert");
2439         if (!certfile.is_complete()) certfile = filesystem::path(GetDataDir()) / certfile;
2440         if (filesystem::exists(certfile)) context.use_certificate_chain_file(certfile.string().c_str());
2441         else printf("ThreadRPCServer ERROR: missing server certificate file %s\n", certfile.string().c_str());
2442         filesystem::path pkfile = GetArg("-rpcsslprivatekeyfile", "server.pem");
2443         if (!pkfile.is_complete()) pkfile = filesystem::path(GetDataDir()) / pkfile;
2444         if (filesystem::exists(pkfile)) context.use_private_key_file(pkfile.string().c_str(), ssl::context::pem);
2445         else printf("ThreadRPCServer ERROR: missing server private key file %s\n", pkfile.string().c_str());
2446
2447         string ciphers = GetArg("-rpcsslciphers",
2448                                          "TLSv1+HIGH:!SSLv2:!aNULL:!eNULL:!AH:!3DES:@STRENGTH");
2449         SSL_CTX_set_cipher_list(context.impl(), ciphers.c_str());
2450     }
2451 #else
2452     if (fUseSSL)
2453         throw runtime_error("-rpcssl=1, but bitcoin compiled without full openssl libraries.");
2454 #endif
2455
2456     loop
2457     {
2458         // Accept connection
2459 #ifdef USE_SSL
2460         SSLStream sslStream(io_service, context);
2461         SSLIOStreamDevice d(sslStream, fUseSSL);
2462         iostreams::stream<SSLIOStreamDevice> stream(d);
2463 #else
2464         ip::tcp::iostream stream;
2465 #endif
2466
2467         ip::tcp::endpoint peer;
2468         vnThreadsRunning[THREAD_RPCSERVER]--;
2469 #ifdef USE_SSL
2470         acceptor.accept(sslStream.lowest_layer(), peer);
2471 #else
2472         acceptor.accept(*stream.rdbuf(), peer);
2473 #endif
2474         vnThreadsRunning[4]++;
2475         if (fShutdown)
2476             return;
2477
2478         // Restrict callers by IP
2479         if (!ClientAllowed(peer.address().to_string()))
2480         {
2481             // Only send a 403 if we're not using SSL to prevent a DoS during the SSL handshake.
2482             if (!fUseSSL)
2483                 stream << HTTPReply(403, "") << std::flush;
2484             continue;
2485         }
2486
2487         map<string, string> mapHeaders;
2488         string strRequest;
2489
2490         boost::thread api_caller(ReadHTTP, boost::ref(stream), boost::ref(mapHeaders), boost::ref(strRequest));
2491         if (!api_caller.timed_join(boost::posix_time::seconds(GetArg("-rpctimeout", 30))))
2492         {   // Timed out:
2493             acceptor.cancel();
2494             printf("ThreadRPCServer ReadHTTP timeout\n");
2495             continue;
2496         }
2497
2498         // Check authorization
2499         if (mapHeaders.count("authorization") == 0)
2500         {
2501             stream << HTTPReply(401, "") << std::flush;
2502             continue;
2503         }
2504         if (!HTTPAuthorized(mapHeaders))
2505         {
2506             printf("ThreadRPCServer incorrect password attempt from %s\n",peer.address().to_string().c_str());
2507             /* Deter brute-forcing short passwords.
2508                If this results in a DOS the user really
2509                shouldn't have their RPC port exposed.*/
2510             if (mapArgs["-rpcpassword"].size() < 20)
2511                 Sleep(250);
2512
2513             stream << HTTPReply(401, "") << std::flush;
2514             continue;
2515         }
2516
2517         Value id = Value::null;
2518         try
2519         {
2520             // Parse request
2521             Value valRequest;
2522             if (!read_string(strRequest, valRequest) || valRequest.type() != obj_type)
2523                 throw JSONRPCError(-32700, "Parse error");
2524             const Object& request = valRequest.get_obj();
2525
2526             // Parse id now so errors from here on will have the id
2527             id = find_value(request, "id");
2528
2529             // Parse method
2530             Value valMethod = find_value(request, "method");
2531             if (valMethod.type() == null_type)
2532                 throw JSONRPCError(-32600, "Missing method");
2533             if (valMethod.type() != str_type)
2534                 throw JSONRPCError(-32600, "Method must be a string");
2535             string strMethod = valMethod.get_str();
2536             if (strMethod != "getwork" && strMethod != "getmemorypool")
2537                 printf("ThreadRPCServer method=%s\n", strMethod.c_str());
2538
2539             // Parse params
2540             Value valParams = find_value(request, "params");
2541             Array params;
2542             if (valParams.type() == array_type)
2543                 params = valParams.get_array();
2544             else if (valParams.type() == null_type)
2545                 params = Array();
2546             else
2547                 throw JSONRPCError(-32600, "Params must be an array");
2548
2549             // Find method
2550             map<string, rpcfn_type>::iterator mi = mapCallTable.find(strMethod);
2551             if (mi == mapCallTable.end())
2552                 throw JSONRPCError(-32601, "Method not found");
2553
2554             // Observe safe mode
2555             string strWarning = GetWarnings("rpc");
2556             if (strWarning != "" && !GetBoolArg("-disablesafemode") && !setAllowInSafeMode.count(strMethod))
2557                 throw JSONRPCError(-2, string("Safe mode: ") + strWarning);
2558
2559             try
2560             {
2561                 // Execute
2562                 Value result;
2563                 CRITICAL_BLOCK(cs_main)
2564                 CRITICAL_BLOCK(pwalletMain->cs_wallet)
2565                     result = (*(*mi).second)(params, false);
2566
2567                 // Send reply
2568                 string strReply = JSONRPCReply(result, Value::null, id);
2569                 stream << HTTPReply(200, strReply) << std::flush;
2570             }
2571             catch (std::exception& e)
2572             {
2573                 ErrorReply(stream, JSONRPCError(-1, e.what()), id);
2574             }
2575         }
2576         catch (Object& objError)
2577         {
2578             ErrorReply(stream, objError, id);
2579         }
2580         catch (std::exception& e)
2581         {
2582             ErrorReply(stream, JSONRPCError(-32700, e.what()), id);
2583         }
2584     }
2585 }
2586
2587
2588
2589
2590 Object CallRPC(const string& strMethod, const Array& params)
2591 {
2592     if (mapArgs["-rpcuser"] == "" && mapArgs["-rpcpassword"] == "")
2593         throw runtime_error(strprintf(
2594             _("You must set rpcpassword=<password> in the configuration file:\n%s\n"
2595               "If the file does not exist, create it with owner-readable-only file permissions."),
2596                 GetConfigFile().c_str()));
2597
2598     // Connect to localhost
2599     bool fUseSSL = GetBoolArg("-rpcssl");
2600 #ifdef USE_SSL
2601     asio::io_service io_service;
2602     ssl::context context(io_service, ssl::context::sslv23);
2603     context.set_options(ssl::context::no_sslv2);
2604     SSLStream sslStream(io_service, context);
2605     SSLIOStreamDevice d(sslStream, fUseSSL);
2606     iostreams::stream<SSLIOStreamDevice> stream(d);
2607     if (!d.connect(GetArg("-rpcconnect", "127.0.0.1"), GetArg("-rpcport", "8332")))
2608         throw runtime_error("couldn't connect to server");
2609 #else
2610     if (fUseSSL)
2611         throw runtime_error("-rpcssl=1, but bitcoin compiled without full openssl libraries.");
2612
2613     ip::tcp::iostream stream(GetArg("-rpcconnect", "127.0.0.1"), GetArg("-rpcport", "8332"));
2614     if (stream.fail())
2615         throw runtime_error("couldn't connect to server");
2616 #endif
2617
2618
2619     // HTTP basic authentication
2620     string strUserPass64 = EncodeBase64(mapArgs["-rpcuser"] + ":" + mapArgs["-rpcpassword"]);
2621     map<string, string> mapRequestHeaders;
2622     mapRequestHeaders["Authorization"] = string("Basic ") + strUserPass64;
2623
2624     // Send request
2625     string strRequest = JSONRPCRequest(strMethod, params, 1);
2626     string strPost = HTTPPost(strRequest, mapRequestHeaders);
2627     stream << strPost << std::flush;
2628
2629     // Receive reply
2630     map<string, string> mapHeaders;
2631     string strReply;
2632     int nStatus = ReadHTTP(stream, mapHeaders, strReply);
2633     if (nStatus == 401)
2634         throw runtime_error("incorrect rpcuser or rpcpassword (authorization failed)");
2635     else if (nStatus >= 400 && nStatus != 400 && nStatus != 404 && nStatus != 500)
2636         throw runtime_error(strprintf("server returned HTTP error %d", nStatus));
2637     else if (strReply.empty())
2638         throw runtime_error("no response from server");
2639
2640     // Parse reply
2641     Value valReply;
2642     if (!read_string(strReply, valReply))
2643         throw runtime_error("couldn't parse reply from server");
2644     const Object& reply = valReply.get_obj();
2645     if (reply.empty())
2646         throw runtime_error("expected reply to have result, error and id properties");
2647
2648     return reply;
2649 }
2650
2651
2652
2653
2654 template<typename T>
2655 void ConvertTo(Value& value)
2656 {
2657     if (value.type() == str_type)
2658     {
2659         // reinterpret string as unquoted json value
2660         Value value2;
2661         if (!read_string(value.get_str(), value2))
2662             throw runtime_error("type mismatch");
2663         value = value2.get_value<T>();
2664     }
2665     else
2666     {
2667         value = value.get_value<T>();
2668     }
2669 }
2670
2671 int CommandLineRPC(int argc, char *argv[])
2672 {
2673     string strPrint;
2674     int nRet = 0;
2675     try
2676     {
2677         // Skip switches
2678         while (argc > 1 && IsSwitchChar(argv[1][0]))
2679         {
2680             argc--;
2681             argv++;
2682         }
2683
2684         // Method
2685         if (argc < 2)
2686             throw runtime_error("too few parameters");
2687         string strMethod = argv[1];
2688
2689         // Parameters default to strings
2690         Array params;
2691         for (int i = 2; i < argc; i++)
2692             params.push_back(argv[i]);
2693         int n = params.size();
2694
2695         //
2696         // Special case non-string parameter types
2697         //
2698         if (strMethod == "setgenerate"            && n > 0) ConvertTo<bool>(params[0]);
2699         if (strMethod == "setgenerate"            && n > 1) ConvertTo<boost::int64_t>(params[1]);
2700         if (strMethod == "sendtoaddress"          && n > 1) ConvertTo<double>(params[1]);
2701         if (strMethod == "settxfee"               && n > 0) ConvertTo<double>(params[0]);
2702         if (strMethod == "getreceivedbyaddress"   && n > 1) ConvertTo<boost::int64_t>(params[1]);
2703         if (strMethod == "getreceivedbyaccount"   && n > 1) ConvertTo<boost::int64_t>(params[1]);
2704         if (strMethod == "listreceivedbyaddress"  && n > 0) ConvertTo<boost::int64_t>(params[0]);
2705         if (strMethod == "listreceivedbyaddress"  && n > 1) ConvertTo<bool>(params[1]);
2706         if (strMethod == "listreceivedbyaccount"  && n > 0) ConvertTo<boost::int64_t>(params[0]);
2707         if (strMethod == "listreceivedbyaccount"  && n > 1) ConvertTo<bool>(params[1]);
2708         if (strMethod == "getbalance"             && n > 1) ConvertTo<boost::int64_t>(params[1]);
2709         if (strMethod == "getblockhash"           && n > 0) ConvertTo<boost::int64_t>(params[0]);
2710         if (strMethod == "move"                   && n > 2) ConvertTo<double>(params[2]);
2711         if (strMethod == "move"                   && n > 3) ConvertTo<boost::int64_t>(params[3]);
2712         if (strMethod == "sendfrom"               && n > 2) ConvertTo<double>(params[2]);
2713         if (strMethod == "sendfrom"               && n > 3) ConvertTo<boost::int64_t>(params[3]);
2714         if (strMethod == "listtransactions"       && n > 1) ConvertTo<boost::int64_t>(params[1]);
2715         if (strMethod == "listtransactions"       && n > 2) ConvertTo<boost::int64_t>(params[2]);
2716         if (strMethod == "listaccounts"           && n > 0) ConvertTo<boost::int64_t>(params[0]);
2717         if (strMethod == "walletpassphrase"       && n > 1) ConvertTo<boost::int64_t>(params[1]);
2718         if (strMethod == "listsinceblock"         && n > 1) ConvertTo<boost::int64_t>(params[1]);
2719         if (strMethod == "sendmany"               && n > 1)
2720         {
2721             string s = params[1].get_str();
2722             Value v;
2723             if (!read_string(s, v) || v.type() != obj_type)
2724                 throw runtime_error("type mismatch");
2725             params[1] = v.get_obj();
2726         }
2727         if (strMethod == "sendmany"                && n > 2) ConvertTo<boost::int64_t>(params[2]);
2728         if (strMethod == "addmultisigaddress"      && n > 0) ConvertTo<boost::int64_t>(params[0]);
2729         if (strMethod == "addmultisigaddress"      && n > 1)
2730         {
2731             string s = params[1].get_str();
2732             Value v;
2733             if (!read_string(s, v) || v.type() != array_type)
2734                 throw runtime_error("type mismatch "+s);
2735             params[1] = v.get_array();
2736         }
2737
2738         // Execute
2739         Object reply = CallRPC(strMethod, params);
2740
2741         // Parse reply
2742         const Value& result = find_value(reply, "result");
2743         const Value& error  = find_value(reply, "error");
2744
2745         if (error.type() != null_type)
2746         {
2747             // Error
2748             strPrint = "error: " + write_string(error, false);
2749             int code = find_value(error.get_obj(), "code").get_int();
2750             nRet = abs(code);
2751         }
2752         else
2753         {
2754             // Result
2755             if (result.type() == null_type)
2756                 strPrint = "";
2757             else if (result.type() == str_type)
2758                 strPrint = result.get_str();
2759             else
2760                 strPrint = write_string(result, true);
2761         }
2762     }
2763     catch (std::exception& e)
2764     {
2765         strPrint = string("error: ") + e.what();
2766         nRet = 87;
2767     }
2768     catch (...)
2769     {
2770         PrintException(NULL, "CommandLineRPC()");
2771     }
2772
2773     if (strPrint != "")
2774     {
2775         fprintf((nRet == 0 ? stdout : stderr), "%s\n", strPrint.c_str());
2776     }
2777     return nRet;
2778 }
2779
2780
2781
2782
2783 #ifdef TEST
2784 int main(int argc, char *argv[])
2785 {
2786 #ifdef _MSC_VER
2787     // Turn off microsoft heap dump noise
2788     _CrtSetReportMode(_CRT_WARN, _CRTDBG_MODE_FILE);
2789     _CrtSetReportFile(_CRT_WARN, CreateFile("NUL", GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, 0));
2790 #endif
2791     setbuf(stdin, NULL);
2792     setbuf(stdout, NULL);
2793     setbuf(stderr, NULL);
2794
2795     try
2796     {
2797         if (argc >= 2 && string(argv[1]) == "-server")
2798         {
2799             printf("server ready\n");
2800             ThreadRPCServer(NULL);
2801         }
2802         else
2803         {
2804             return CommandLineRPC(argc, argv);
2805         }
2806     }
2807     catch (std::exception& e) {
2808         PrintException(&e, "main()");
2809     } catch (...) {
2810         PrintException(NULL, "main()");
2811     }
2812     return 0;
2813 }
2814 #endif