aboutsummaryrefslogtreecommitdiff
path: root/src/rpcwallet.cpp
blob: 151a47468fc26565f99980ba4d4432ac8e980f06 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
1821
1822
1823
1824
1825
1826
1827
1828
1829
1830
1831
1832
1833
1834
1835
1836
1837
1838
1839
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876
1877
1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1911
1912
1913
1914
1915
1916
1917
1918
1919
// Copyright (c) 2010 Satoshi Nakamoto
// Copyright (c) 2009-2014 The Bitcoin developers
// Distributed under the MIT/X11 software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.

#include "base58.h"
#include "rpcserver.h"
#include "init.h"
#include "net.h"
#include "netbase.h"
#include "util.h"
#include "wallet.h"
#include "walletdb.h"

#include <stdint.h>

#include <boost/assign/list_of.hpp>
#include "json/json_spirit_utils.h"
#include "json/json_spirit_value.h"

using namespace std;
using namespace boost;
using namespace boost::assign;
using namespace json_spirit;

int64_t nWalletUnlockTime;
static CCriticalSection cs_nWalletUnlockTime;

std::string HelpRequiringPassphrase()
{
    return pwalletMain && pwalletMain->IsCrypted()
        ? "\nRequires wallet passphrase to be set with walletpassphrase call."
        : "";
}

void EnsureWalletIsUnlocked()
{
    if (pwalletMain->IsLocked())
        throw JSONRPCError(RPC_WALLET_UNLOCK_NEEDED, "Error: Please enter the wallet passphrase with walletpassphrase first.");
}

void WalletTxToJSON(const CWalletTx& wtx, Object& entry)
{
    int confirms = wtx.GetDepthInMainChain();
    entry.push_back(Pair("confirmations", confirms));
    if (wtx.IsCoinBase())
        entry.push_back(Pair("generated", true));
    if (confirms > 0)
    {
        entry.push_back(Pair("blockhash", wtx.hashBlock.GetHex()));
        entry.push_back(Pair("blockindex", wtx.nIndex));
        entry.push_back(Pair("blocktime", (int64_t)(mapBlockIndex[wtx.hashBlock]->nTime)));
    }
    uint256 hash = wtx.GetHash();
    entry.push_back(Pair("txid", hash.GetHex()));
    Array conflicts;
    BOOST_FOREACH(const uint256& conflict, wtx.GetConflicts())
        conflicts.push_back(conflict.GetHex());
    entry.push_back(Pair("walletconflicts", conflicts));
    entry.push_back(Pair("time", wtx.GetTxTime()));
    entry.push_back(Pair("timereceived", (int64_t)wtx.nTimeReceived));
    BOOST_FOREACH(const PAIRTYPE(string,string)& item, wtx.mapValue)
        entry.push_back(Pair(item.first, item.second));
}

string AccountFromValue(const Value& value)
{
    string strAccount = value.get_str();
    if (strAccount == "*")
        throw JSONRPCError(RPC_WALLET_INVALID_ACCOUNT_NAME, "Invalid account name");
    return strAccount;
}

Value getnewaddress(const Array& params, bool fHelp)
{
    if (fHelp || params.size() > 1)
        throw runtime_error(
            "getnewaddress ( \"account\" )\n"
            "\nReturns a new Bitcoin address for receiving payments.\n"
            "If 'account' is specified (recommended), it is added to the address book \n"
            "so payments received with the address will be credited to 'account'.\n"
            "\nArguments:\n"
            "1. \"account\"        (string, optional) The account name for the address to be linked to. if not provided, the default account \"\" is used. It can also be set to the empty string \"\" to represent the default account. The account does not need to exist, it will be created if there is no account by the given name.\n"
            "\nResult:\n"
            "\"bitcoinaddress\"    (string) The new bitcoin address\n"
            "\nExamples:\n"
            + HelpExampleCli("getnewaddress", "")
            + HelpExampleCli("getnewaddress", "\"\"")
            + HelpExampleCli("getnewaddress", "\"myaccount\"")
            + HelpExampleRpc("getnewaddress", "\"myaccount\"")
        );

    // Parse the account first so we don't generate a key if there's an error
    string strAccount;
    if (params.size() > 0)
        strAccount = AccountFromValue(params[0]);

    if (!pwalletMain->IsLocked())
        pwalletMain->TopUpKeyPool();

    // Generate a new key that is added to wallet
    CPubKey newKey;
    if (!pwalletMain->GetKeyFromPool(newKey))
        throw JSONRPCError(RPC_WALLET_KEYPOOL_RAN_OUT, "Error: Keypool ran out, please call keypoolrefill first");
    CKeyID keyID = newKey.GetID();

    pwalletMain->SetAddressBook(keyID, strAccount, "receive");

    return CBitcoinAddress(keyID).ToString();
}


CBitcoinAddress GetAccountAddress(string strAccount, bool bForceNew=false)
{
    CWalletDB walletdb(pwalletMain->strWalletFile);

    CAccount account;
    walletdb.ReadAccount(strAccount, account);

    bool bKeyUsed = false;

    // Check if the current key has been used
    if (account.vchPubKey.IsValid())
    {
        CScript scriptPubKey;
        scriptPubKey.SetDestination(account.vchPubKey.GetID());
        for (map<uint256, CWalletTx>::iterator it = pwalletMain->mapWallet.begin();
             it != pwalletMain->mapWallet.end() && account.vchPubKey.IsValid();
             ++it)
        {
            const CWalletTx& wtx = (*it).second;
            BOOST_FOREACH(const CTxOut& txout, wtx.vout)
                if (txout.scriptPubKey == scriptPubKey)
                    bKeyUsed = true;
        }
    }

    // Generate a new key
    if (!account.vchPubKey.IsValid() || bForceNew || bKeyUsed)
    {
        if (!pwalletMain->GetKeyFromPool(account.vchPubKey))
            throw JSONRPCError(RPC_WALLET_KEYPOOL_RAN_OUT, "Error: Keypool ran out, please call keypoolrefill first");

        pwalletMain->SetAddressBook(account.vchPubKey.GetID(), strAccount, "receive");
        walletdb.WriteAccount(strAccount, account);
    }

    return CBitcoinAddress(account.vchPubKey.GetID());
}

Value getaccountaddress(const Array& params, bool fHelp)
{
    if (fHelp || params.size() != 1)
        throw runtime_error(
            "getaccountaddress \"account\"\n"
            "\nReturns the current Bitcoin address for receiving payments to this account.\n"
            "\nArguments:\n"
            "1. \"account\"       (string, required) The account name for the address. It can also be set to the empty string \"\" to represent the default account. The account does not need to exist, it will be created and a new address created  if there is no account by the given name.\n"
            "\nResult:\n"
            "\"bitcoinaddress\"   (string) The account bitcoin address\n"
            "\nExamples:\n"
            + HelpExampleCli("getaccountaddress", "")
            + HelpExampleCli("getaccountaddress", "\"\"")
            + HelpExampleCli("getaccountaddress", "\"myaccount\"")
            + HelpExampleRpc("getaccountaddress", "\"myaccount\"")
        );

    // Parse the account first so we don't generate a key if there's an error
    string strAccount = AccountFromValue(params[0]);

    Value ret;

    ret = GetAccountAddress(strAccount).ToString();

    return ret;
}


Value getrawchangeaddress(const Array& params, bool fHelp)
{
    if (fHelp || params.size() > 1)
        throw runtime_error(
            "getrawchangeaddress\n"
            "\nReturns a new Bitcoin address, for receiving change.\n"
            "This is for use with raw transactions, NOT normal use.\n"
            "\nResult:\n"
            "\"address\"    (string) The address\n"
            "\nExamples:\n"
            + HelpExampleCli("getrawchangeaddress", "")
            + HelpExampleRpc("getrawchangeaddress", "")
       );

    if (!pwalletMain->IsLocked())
        pwalletMain->TopUpKeyPool();

    CReserveKey reservekey(pwalletMain);
    CPubKey vchPubKey;
    if (!reservekey.GetReservedKey(vchPubKey))
        throw JSONRPCError(RPC_WALLET_ERROR, "Error: Unable to obtain key for change");

    reservekey.KeepKey();

    CKeyID keyID = vchPubKey.GetID();

    return CBitcoinAddress(keyID).ToString();
}


Value setaccount(const Array& params, bool fHelp)
{
    if (fHelp || params.size() < 1 || params.size() > 2)
        throw runtime_error(
            "setaccount \"bitcoinaddress\" \"account\"\n"
            "\nSets the account associated with the given address.\n"
            "\nArguments:\n"
            "1. \"bitcoinaddress\"  (string, required) The bitcoin address to be associated with an account.\n"
            "2. \"account\"         (string, required) The account to assign the address to.\n"
            "\nExamples:\n"
            + HelpExampleCli("setaccount", "\"1D1ZrZNe3JUo7ZycKEYQQiQAWd9y54F4XZ\" \"tabby\"")
            + HelpExampleRpc("setaccount", "\"1D1ZrZNe3JUo7ZycKEYQQiQAWd9y54F4XZ\", \"tabby\"")
        );

    CBitcoinAddress address(params[0].get_str());
    if (!address.IsValid())
        throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid Bitcoin address");


    string strAccount;
    if (params.size() > 1)
        strAccount = AccountFromValue(params[1]);

    // Detect when changing the account of an address that is the 'unused current key' of another account:
    if (pwalletMain->mapAddressBook.count(address.Get()))
    {
        string strOldAccount = pwalletMain->mapAddressBook[address.Get()].name;
        if (address == GetAccountAddress(strOldAccount))
            GetAccountAddress(strOldAccount, true);
    }

    pwalletMain->SetAddressBook(address.Get(), strAccount, "receive");

    return Value::null;
}


Value getaccount(const Array& params, bool fHelp)
{
    if (fHelp || params.size() != 1)
        throw runtime_error(
            "getaccount \"bitcoinaddress\"\n"
            "\nReturns the account associated with the given address.\n"
            "\nArguments:\n"
            "1. \"bitcoinaddress\"  (string, required) The bitcoin address for account lookup.\n"
            "\nResult:\n"
            "\"accountname\"        (string) the account address\n"
            "\nExamples:\n"
            + HelpExampleCli("getaccount", "\"1D1ZrZNe3JUo7ZycKEYQQiQAWd9y54F4XZ\"")
            + HelpExampleRpc("getaccount", "\"1D1ZrZNe3JUo7ZycKEYQQiQAWd9y54F4XZ\"")
        );

    CBitcoinAddress address(params[0].get_str());
    if (!address.IsValid())
        throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid Bitcoin address");

    string strAccount;
    map<CTxDestination, CAddressBookData>::iterator mi = pwalletMain->mapAddressBook.find(address.Get());
    if (mi != pwalletMain->mapAddressBook.end() && !(*mi).second.name.empty())
        strAccount = (*mi).second.name;
    return strAccount;
}


Value getaddressesbyaccount(const Array& params, bool fHelp)
{
    if (fHelp || params.size() != 1)
        throw runtime_error(
            "getaddressesbyaccount \"account\"\n"
            "\nReturns the list of addresses for the given account.\n"
            "\nArguments:\n"
            "1. \"account\"  (string, required) The account name.\n"
            "\nResult:\n"
            "[                     (json array of string)\n"
            "  \"bitcoinaddress\"  (string) a bitcoin address associated with the given account\n"
            "  ,...\n"
            "]\n"
            "\nExamples:\n"
            + HelpExampleCli("getaddressesbyaccount", "\"tabby\"")
            + HelpExampleRpc("getaddressesbyaccount", "\"tabby\"")
        );

    string strAccount = AccountFromValue(params[0]);

    // Find all addresses that have the given account
    Array ret;
    BOOST_FOREACH(const PAIRTYPE(CBitcoinAddress, CAddressBookData)& item, pwalletMain->mapAddressBook)
    {
        const CBitcoinAddress& address = item.first;
        const string& strName = item.second.name;
        if (strName == strAccount)
            ret.push_back(address.ToString());
    }
    return ret;
}

Value sendtoaddress(const Array& params, bool fHelp)
{
    if (fHelp || params.size() < 2 || params.size() > 4)
        throw runtime_error(
            "sendtoaddress \"bitcoinaddress\" amount ( \"comment\" \"comment-to\" )\n"
            "\nSent an amount to a given address. The amount is a real and is rounded to the nearest 0.00000001\n"
            + HelpRequiringPassphrase() +
            "\nArguments:\n"
            "1. \"bitcoinaddress\"  (string, required) The bitcoin address to send to.\n"
            "2. \"amount\"      (numeric, required) The amount in btc to send. eg 0.1\n"
            "3. \"comment\"     (string, optional) A comment used to store what the transaction is for. \n"
            "                             This is not part of the transaction, just kept in your wallet.\n"
            "4. \"comment-to\"  (string, optional) A comment to store the name of the person or organization \n"
            "                             to which you're sending the transaction. This is not part of the \n"
            "                             transaction, just kept in your wallet.\n"
            "\nResult:\n"
            "\"transactionid\"  (string) The transaction id.\n"
            "\nExamples:\n"
            + HelpExampleCli("sendtoaddress", "\"1M72Sfpbz1BPpXFHz9m3CdqATR44Jvaydd\" 0.1")
            + HelpExampleCli("sendtoaddress", "\"1M72Sfpbz1BPpXFHz9m3CdqATR44Jvaydd\" 0.1 \"donation\" \"seans outpost\"")
            + HelpExampleRpc("sendtoaddress", "\"1M72Sfpbz1BPpXFHz9m3CdqATR44Jvaydd\", 0.1, \"donation\", \"seans outpost\"")
        );

    CBitcoinAddress address(params[0].get_str());
    if (!address.IsValid())
        throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid Bitcoin address");

    // Amount
    int64_t nAmount = AmountFromValue(params[1]);

    // Wallet comments
    CWalletTx wtx;
    if (params.size() > 2 && params[2].type() != null_type && !params[2].get_str().empty())
        wtx.mapValue["comment"] = params[2].get_str();
    if (params.size() > 3 && params[3].type() != null_type && !params[3].get_str().empty())
        wtx.mapValue["to"]      = params[3].get_str();

    EnsureWalletIsUnlocked();

    string strError = pwalletMain->SendMoneyToDestination(address.Get(), nAmount, wtx);
    if (strError != "")
        throw JSONRPCError(RPC_WALLET_ERROR, strError);

    return wtx.GetHash().GetHex();
}

Value listaddressgroupings(const Array& params, bool fHelp)
{
    if (fHelp)
        throw runtime_error(
            "listaddressgroupings\n"
            "\nLists groups of addresses which have had their common ownership\n"
            "made public by common use as inputs or as the resulting change\n"
            "in past transactions\n"
            "\nResult:\n"
            "[\n"
            "  [\n"
            "    [\n"
            "      \"bitcoinaddress\",     (string) The bitcoin address\n"
            "      amount,                 (numeric) The amount in btc\n"
            "      \"account\"             (string, optional) The account\n"
            "    ]\n"
            "    ,...\n"
            "  ]\n"
            "  ,...\n"
            "]\n"
            "\nExamples:\n"
            + HelpExampleCli("listaddressgroupings", "")
            + HelpExampleRpc("listaddressgroupings", "")
        );

    Array jsonGroupings;
    map<CTxDestination, int64_t> balances = pwalletMain->GetAddressBalances();
    BOOST_FOREACH(set<CTxDestination> grouping, pwalletMain->GetAddressGroupings())
    {
        Array jsonGrouping;
        BOOST_FOREACH(CTxDestination address, grouping)
        {
            Array addressInfo;
            addressInfo.push_back(CBitcoinAddress(address).ToString());
            addressInfo.push_back(ValueFromAmount(balances[address]));
            {
                LOCK(pwalletMain->cs_wallet);
                if (pwalletMain->mapAddressBook.find(CBitcoinAddress(address).Get()) != pwalletMain->mapAddressBook.end())
                    addressInfo.push_back(pwalletMain->mapAddressBook.find(CBitcoinAddress(address).Get())->second.name);
            }
            jsonGrouping.push_back(addressInfo);
        }
        jsonGroupings.push_back(jsonGrouping);
    }
    return jsonGroupings;
}

Value signmessage(const Array& params, bool fHelp)
{
    if (fHelp || params.size() != 2)
        throw runtime_error(
            "signmessage \"bitcoinaddress\" \"message\"\n"
            "\nSign a message with the private key of an address"
            + HelpRequiringPassphrase() + "\n"
            "\nArguments:\n"
            "1. \"bitcoinaddress\"  (string, required) The bitcoin address to use for the private key.\n"
            "2. \"message\"         (string, required) The message to create a signature of.\n"
            "\nResult:\n"
            "\"signature\"          (string) The signature of the message encoded in base 64\n"
            "\nExamples:\n"
            "\nUnlock the wallet for 30 seconds\n"
            + HelpExampleCli("walletpassphrase", "\"mypassphrase\" 30") +
            "\nCreate the signature\n"
            + HelpExampleCli("signmessage", "\"1D1ZrZNe3JUo7ZycKEYQQiQAWd9y54F4XZ\" \"my message\"") +
            "\nVerify the signature\n"
            + HelpExampleCli("verifymessage", "\"1D1ZrZNe3JUo7ZycKEYQQiQAWd9y54F4XZ\" \"signature\" \"my message\"") +
            "\nAs json rpc\n"
            + HelpExampleRpc("signmessage", "\"1D1ZrZNe3JUo7ZycKEYQQiQAWd9y54F4XZ\", \"my message\"")
        );

    EnsureWalletIsUnlocked();

    string strAddress = params[0].get_str();
    string strMessage = params[1].get_str();

    CBitcoinAddress addr(strAddress);
    if (!addr.IsValid())
        throw JSONRPCError(RPC_TYPE_ERROR, "Invalid address");

    CKeyID keyID;
    if (!addr.GetKeyID(keyID))
        throw JSONRPCError(RPC_TYPE_ERROR, "Address does not refer to key");

    CKey key;
    if (!pwalletMain->GetKey(keyID, key))
        throw JSONRPCError(RPC_WALLET_ERROR, "Private key not available");

    CHashWriter ss(SER_GETHASH, 0);
    ss << strMessageMagic;
    ss << strMessage;

    vector<unsigned char> vchSig;
    if (!key.SignCompact(ss.GetHash(), vchSig))
        throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Sign failed");

    return EncodeBase64(&vchSig[0], vchSig.size());
}

Value getreceivedbyaddress(const Array& params, bool fHelp)
{
    if (fHelp || params.size() < 1 || params.size() > 2)
        throw runtime_error(
            "getreceivedbyaddress \"bitcoinaddress\" ( minconf )\n"
            "\nReturns the total amount received by the given bitcoinaddress in transactions with at least minconf confirmations.\n"
            "\nArguments:\n"
            "1. \"bitcoinaddress\"  (string, required) The bitcoin address for transactions.\n"
            "2. minconf             (numeric, optional, default=1) Only include transactions confirmed at least this many times.\n"
            "\nResult:\n"
            "amount   (numeric) The total amount in btc received at this address.\n"
            "\nExamples:\n"
            "\nThe amount from transactions with at least 1 confirmation\n"
            + HelpExampleCli("getreceivedbyaddress", "\"1D1ZrZNe3JUo7ZycKEYQQiQAWd9y54F4XZ\"") +
            "\nThe amount including unconfirmed transactions, zero confirmations\n"
            + HelpExampleCli("getreceivedbyaddress", "\"1D1ZrZNe3JUo7ZycKEYQQiQAWd9y54F4XZ\" 0") +
            "\nThe amount with at least 6 confirmation, very safe\n"
            + HelpExampleCli("getreceivedbyaddress", "\"1D1ZrZNe3JUo7ZycKEYQQiQAWd9y54F4XZ\" 6") +
            "\nAs a json rpc call\n"
            + HelpExampleRpc("getreceivedbyaddress", "\"1D1ZrZNe3JUo7ZycKEYQQiQAWd9y54F4XZ\", 6")
       );

    // Bitcoin address
    CBitcoinAddress address = CBitcoinAddress(params[0].get_str());
    CScript scriptPubKey;
    if (!address.IsValid())
        throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid Bitcoin address");
    scriptPubKey.SetDestination(address.Get());
    if (!IsMine(*pwalletMain,scriptPubKey))
        return (double)0.0;

    // Minimum confirmations
    int nMinDepth = 1;
    if (params.size() > 1)
        nMinDepth = params[1].get_int();

    // Tally
    int64_t nAmount = 0;
    for (map<uint256, CWalletTx>::iterator it = pwalletMain->mapWallet.begin(); it != pwalletMain->mapWallet.end(); ++it)
    {
        const CWalletTx& wtx = (*it).second;
        if (wtx.IsCoinBase() || !IsFinalTx(wtx))
            continue;

        BOOST_FOREACH(const CTxOut& txout, wtx.vout)
            if (txout.scriptPubKey == scriptPubKey)
                if (wtx.GetDepthInMainChain() >= nMinDepth)
                    nAmount += txout.nValue;
    }

    return  ValueFromAmount(nAmount);
}


Value getreceivedbyaccount(const Array& params, bool fHelp)
{
    if (fHelp || params.size() < 1 || params.size() > 2)
        throw runtime_error(
            "getreceivedbyaccount \"account\" ( minconf )\n"
            "\nReturns the total amount received by addresses with <account> in transactions with at least [minconf] confirmations.\n"
            "\nArguments:\n"
            "1. \"account\"      (string, required) The selected account, may be the default account using \"\".\n"
            "2. minconf          (numeric, optional, default=1) Only include transactions confirmed at least this many times.\n"
            "\nResult:\n"
            "amount              (numeric) The total amount in btc received for this account.\n"
            "\nExamples:\n"
            "\nAmount received by the default account with at least 1 confirmation\n"
            + HelpExampleCli("getreceivedbyaccount", "\"\"") +
            "\nAmount received at the tabby account including unconfirmed amounts with zero confirmations\n"
            + HelpExampleCli("getreceivedbyaccount", "\"tabby\" 0") +
            "\nThe amount with at least 6 confirmation, very safe\n"
            + HelpExampleCli("getreceivedbyaccount", "\"tabby\" 6") +
            "\nAs a json rpc call\n"
            + HelpExampleRpc("getreceivedbyaccount", "\"tabby\", 6")
        );

    // Minimum confirmations
    int nMinDepth = 1;
    if (params.size() > 1)
        nMinDepth = params[1].get_int();

    // Get the set of pub keys assigned to account
    string strAccount = AccountFromValue(params[0]);
    set<CTxDestination> setAddress = pwalletMain->GetAccountAddresses(strAccount);

    // Tally
    int64_t nAmount = 0;
    for (map<uint256, CWalletTx>::iterator it = pwalletMain->mapWallet.begin(); it != pwalletMain->mapWallet.end(); ++it)
    {
        const CWalletTx& wtx = (*it).second;
        if (wtx.IsCoinBase() || !IsFinalTx(wtx))
            continue;

        BOOST_FOREACH(const CTxOut& txout, wtx.vout)
        {
            CTxDestination address;
            if (ExtractDestination(txout.scriptPubKey, address) && IsMine(*pwalletMain, address) && setAddress.count(address))
                if (wtx.GetDepthInMainChain() >= nMinDepth)
                    nAmount += txout.nValue;
        }
    }

    return (double)nAmount / (double)COIN;
}


int64_t GetAccountBalance(CWalletDB& walletdb, const string& strAccount, int nMinDepth)
{
    int64_t nBalance = 0;

    // Tally wallet transactions
    for (map<uint256, CWalletTx>::iterator it = pwalletMain->mapWallet.begin(); it != pwalletMain->mapWallet.end(); ++it)
    {
        const CWalletTx& wtx = (*it).second;
        if (!IsFinalTx(wtx) || wtx.GetBlocksToMaturity() > 0 || wtx.GetDepthInMainChain() < 0)
            continue;

        int64_t nReceived, nSent, nFee;
        wtx.GetAccountAmounts(strAccount, nReceived, nSent, nFee);

        if (nReceived != 0 && wtx.GetDepthInMainChain() >= nMinDepth)
            nBalance += nReceived;
        nBalance -= nSent + nFee;
    }

    // Tally internal accounting entries
    nBalance += walletdb.GetAccountCreditDebit(strAccount);

    return nBalance;
}

int64_t GetAccountBalance(const string& strAccount, int nMinDepth)
{
    CWalletDB walletdb(pwalletMain->strWalletFile);
    return GetAccountBalance(walletdb, strAccount, nMinDepth);
}


Value getbalance(const Array& params, bool fHelp)
{
    if (fHelp || params.size() > 2)
        throw runtime_error(
            "getbalance ( \"account\" minconf )\n"
            "\nIf account is not specified, returns the server's total available balance.\n"
            "If account is specified, returns the balance in the account.\n"
            "Note that the account \"\" is not the same as leaving the parameter out.\n"
            "The server total may be different to the balance in the default \"\" account.\n"
            "\nArguments:\n"
            "1. \"account\"      (string, optional) The selected account, or \"*\" for entire wallet. It may be the default account using \"\".\n"
            "2. minconf          (numeric, optional, default=1) Only include transactions confirmed at least this many times.\n"
            "\nResult:\n"
            "amount              (numeric) The total amount in btc received for this account.\n"
            "\nExamples:\n"
            "\nThe total amount in the server across all accounts\n"
            + HelpExampleCli("getbalance", "") +
            "\nThe total amount in the server across all accounts, with at least 5 confirmations\n"
            + HelpExampleCli("getbalance", "\"*\" 6") +
            "\nThe total amount in the default account with at least 1 confirmation\n"
            + HelpExampleCli("getbalance", "\"\"") +
            "\nThe total amount in the account named tabby with at least 6 confirmations\n"
            + HelpExampleCli("getbalance", "\"tabby\" 6") +
            "\nAs a json rpc call\n"
            + HelpExampleRpc("getbalance", "\"tabby\", 6")
        );

    if (params.size() == 0)
        return  ValueFromAmount(pwalletMain->GetBalance());

    int nMinDepth = 1;
    if (params.size() > 1)
        nMinDepth = params[1].get_int();

    if (params[0].get_str() == "*") {
        // Calculate total balance a different way from GetBalance()
        // (GetBalance() sums up all unspent TxOuts)
        // getbalance and getbalance '*' 0 should return the same number
        int64_t nBalance = 0;
        for (map<uint256, CWalletTx>::iterator it = pwalletMain->mapWallet.begin(); it != pwalletMain->mapWallet.end(); ++it)
        {
            const CWalletTx& wtx = (*it).second;
            if (!wtx.IsTrusted() || wtx.GetBlocksToMaturity() > 0)
                continue;

            int64_t allFee;
            string strSentAccount;
            list<pair<CTxDestination, int64_t> > listReceived;
            list<pair<CTxDestination, int64_t> > listSent;
            wtx.GetAmounts(listReceived, listSent, allFee, strSentAccount);
            if (wtx.GetDepthInMainChain() >= nMinDepth)
            {
                BOOST_FOREACH(const PAIRTYPE(CTxDestination,int64_t)& r, listReceived)
                    nBalance += r.second;
            }
            BOOST_FOREACH(const PAIRTYPE(CTxDestination,int64_t)& r, listSent)
                nBalance -= r.second;
            nBalance -= allFee;
        }
        return  ValueFromAmount(nBalance);
    }

    string strAccount = AccountFromValue(params[0]);

    int64_t nBalance = GetAccountBalance(strAccount, nMinDepth);

    return ValueFromAmount(nBalance);
}

Value getunconfirmedbalance(const Array &params, bool fHelp)
{
    if (fHelp || params.size() > 0)
        throw runtime_error(
                "getunconfirmedbalance\n"
                "Returns the server's total unconfirmed balance\n");
    return ValueFromAmount(pwalletMain->GetUnconfirmedBalance());
}


Value movecmd(const Array& params, bool fHelp)
{
    if (fHelp || params.size() < 3 || params.size() > 5)
        throw runtime_error(
            "move \"fromaccount\" \"toaccount\" amount ( minconf \"comment\" )\n"
            "\nMove a specified amount from one account in your wallet to another.\n"
            "\nArguments:\n"
            "1. \"fromaccount\"   (string, required) The name of the account to move funds from. May be the default account using \"\".\n"
            "2. \"toaccount\"     (string, required) The name of the account to move funds to. May be the default account using \"\".\n"
            "3. minconf           (numeric, optional, default=1) Only use funds with at least this many confirmations.\n"
            "4. \"comment\"       (string, optional) An optional comment, stored in the wallet only.\n"
            "\nResult:\n"
            "true|false           (boolean) true if successfull.\n"
            "\nExamples:\n"
            "\nMove 0.01 btc from the default account to the account named tabby\n"
            + HelpExampleCli("move", "\"\" \"tabby\" 0.01") +
            "\nMove 0.01 btc timotei to akiko with a comment and funds have 6 confirmations\n"
            + HelpExampleCli("move", "\"timotei\" \"akiko\" 0.01 6 \"happy birthday!\"") +
            "\nAs a json rpc call\n"
            + HelpExampleRpc("move", "\"timotei\", \"akiko\", 0.01, 6, \"happy birthday!\"")
        );

    string strFrom = AccountFromValue(params[0]);
    string strTo = AccountFromValue(params[1]);
    int64_t nAmount = AmountFromValue(params[2]);
    if (params.size() > 3)
        // unused parameter, used to be nMinDepth, keep type-checking it though
        (void)params[3].get_int();
    string strComment;
    if (params.size() > 4)
        strComment = params[4].get_str();

    CWalletDB walletdb(pwalletMain->strWalletFile);
    if (!walletdb.TxnBegin())
        throw JSONRPCError(RPC_DATABASE_ERROR, "database error");

    int64_t nNow = GetAdjustedTime();

    // Debit
    CAccountingEntry debit;
    debit.nOrderPos = pwalletMain->IncOrderPosNext(&walletdb);
    debit.strAccount = strFrom;
    debit.nCreditDebit = -nAmount;
    debit.nTime = nNow;
    debit.strOtherAccount = strTo;
    debit.strComment = strComment;
    walletdb.WriteAccountingEntry(debit);

    // Credit
    CAccountingEntry credit;
    credit.nOrderPos = pwalletMain->IncOrderPosNext(&walletdb);
    credit.strAccount = strTo;
    credit.nCreditDebit = nAmount;
    credit.nTime = nNow;
    credit.strOtherAccount = strFrom;
    credit.strComment = strComment;
    walletdb.WriteAccountingEntry(credit);

    if (!walletdb.TxnCommit())
        throw JSONRPCError(RPC_DATABASE_ERROR, "database error");

    return true;
}


Value sendfrom(const Array& params, bool fHelp)
{
    if (fHelp || params.size() < 3 || params.size() > 6)
        throw runtime_error(
            "sendfrom \"fromaccount\" \"tobitcoinaddress\" amount ( minconf \"comment\" \"comment-to\" )\n"
            "\nSent an amount from an account to a bitcoin address.\n"
            "The amount is a real and is rounded to the nearest 0.00000001."
            + HelpRequiringPassphrase() + "\n"
            "\nArguments:\n"
            "1. \"fromaccount\"       (string, required) The name of the account to send funds from. May be the default account using \"\".\n"
            "2. \"tobitcoinaddress\"  (string, required) The bitcoin address to send funds to.\n"
            "3. amount                (numeric, required) The amount in btc. (transaction fee is added on top).\n"
            "4. minconf               (numeric, optional, default=1) Only use funds with at least this many confirmations.\n"
            "5. \"comment\"           (string, optional) A comment used to store what the transaction is for. \n"
            "                                     This is not part of the transaction, just kept in your wallet.\n"
            "6. \"comment-to\"        (string, optional) An optional comment to store the name of the person or organization \n"
            "                                     to which you're sending the transaction. This is not part of the transaction, \n"
            "                                     it is just kept in your wallet.\n"
            "\nResult:\n"
            "\"transactionid\"        (string) The transaction id.\n"
            "\nExamples:\n"
            "\nSend 0.01 btc from the default account to the address, must have at least 1 confirmation\n"
            + HelpExampleCli("sendfrom", "\"\" \"1M72Sfpbz1BPpXFHz9m3CdqATR44Jvaydd\" 0.01") +
            "\nSend 0.01 from the tabby account to the given address, funds must have at least 6 confirmations\n"
            + HelpExampleCli("sendfrom", "\"tabby\" \"1M72Sfpbz1BPpXFHz9m3CdqATR44Jvaydd\" 0.01 6 \"donation\" \"seans outpost\"") +
            "\nAs a json rpc call\n"
            + HelpExampleRpc("sendfrom", "\"tabby\", \"1M72Sfpbz1BPpXFHz9m3CdqATR44Jvaydd\", 0.01, 6, \"donation\", \"seans outpost\"")
        );

    string strAccount = AccountFromValue(params[0]);
    CBitcoinAddress address(params[1].get_str());
    if (!address.IsValid())
        throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid Bitcoin address");
    int64_t nAmount = AmountFromValue(params[2]);
    int nMinDepth = 1;
    if (params.size() > 3)
        nMinDepth = params[3].get_int();

    CWalletTx wtx;
    wtx.strFromAccount = strAccount;
    if (params.size() > 4 && params[4].type() != null_type && !params[4].get_str().empty())
        wtx.mapValue["comment"] = params[4].get_str();
    if (params.size() > 5 && params[5].type() != null_type && !params[5].get_str().empty())
        wtx.mapValue["to"]      = params[5].get_str();

    EnsureWalletIsUnlocked();

    // Check funds
    int64_t nBalance = GetAccountBalance(strAccount, nMinDepth);
    if (nAmount > nBalance)
        throw JSONRPCError(RPC_WALLET_INSUFFICIENT_FUNDS, "Account has insufficient funds");

    // Send
    string strError = pwalletMain->SendMoneyToDestination(address.Get(), nAmount, wtx);
    if (strError != "")
        throw JSONRPCError(RPC_WALLET_ERROR, strError);

    return wtx.GetHash().GetHex();
}


Value sendmany(const Array& params, bool fHelp)
{
    if (fHelp || params.size() < 2 || params.size() > 4)
        throw runtime_error(
            "sendmany \"fromaccount\" {\"address\":amount,...} ( minconf \"comment\" )\n"
            "\nSend multiple times. Amounts are double-precision floating point numbers."
            + HelpRequiringPassphrase() + "\n"
            "\nArguments:\n"
            "1. \"fromaccount\"         (string, required) The account to send the funds from, can be \"\" for the default account\n"
            "2. \"amounts\"             (string, required) A json object with addresses and amounts\n"
            "    {\n"
            "      \"address\":amount   (numeric) The bitcoin address is the key, the numeric amount in btc is the value\n"
            "      ,...\n"
            "    }\n"
            "3. minconf                 (numeric, optional, default=1) Only use the balance confirmed at least this many times.\n"
            "4. \"comment\"             (string, optional) A comment\n"
            "\nResult:\n"
            "\"transactionid\"          (string) The transaction id for the send. Only 1 transaction is created regardless of \n"
            "                                    the number of addresses.\n"
            "\nExamples:\n"
            "\nSend two amounts to two different addresses:\n"
            + HelpExampleCli("sendmany", "\"tabby\" \"{\\\"1D1ZrZNe3JUo7ZycKEYQQiQAWd9y54F4XZ\\\":0.01,\\\"1353tsE8YMTA4EuV7dgUXGjNFf9KpVvKHz\\\":0.02}\"") +
            "\nSend two amounts to two different addresses setting the confirmation and comment:\n"
            + HelpExampleCli("sendmany", "\"tabby\" \"{\\\"1D1ZrZNe3JUo7ZycKEYQQiQAWd9y54F4XZ\\\":0.01,\\\"1353tsE8YMTA4EuV7dgUXGjNFf9KpVvKHz\\\":0.02}\" 6 \"testing\"") +
            "\nAs a json rpc call\n"
            + HelpExampleRpc("sendmany", "\"tabby\", \"{\\\"1D1ZrZNe3JUo7ZycKEYQQiQAWd9y54F4XZ\\\":0.01,\\\"1353tsE8YMTA4EuV7dgUXGjNFf9KpVvKHz\\\":0.02}\", 6, \"testing\"")
        );

    string strAccount = AccountFromValue(params[0]);
    Object sendTo = params[1].get_obj();
    int nMinDepth = 1;
    if (params.size() > 2)
        nMinDepth = params[2].get_int();

    CWalletTx wtx;
    wtx.strFromAccount = strAccount;
    if (params.size() > 3 && params[3].type() != null_type && !params[3].get_str().empty())
        wtx.mapValue["comment"] = params[3].get_str();

    set<CBitcoinAddress> setAddress;
    vector<pair<CScript, int64_t> > vecSend;

    int64_t totalAmount = 0;
    BOOST_FOREACH(const Pair& s, sendTo)
    {
        CBitcoinAddress address(s.name_);
        if (!address.IsValid())
            throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, string("Invalid Bitcoin address: ")+s.name_);

        if (setAddress.count(address))
            throw JSONRPCError(RPC_INVALID_PARAMETER, string("Invalid parameter, duplicated address: ")+s.name_);
        setAddress.insert(address);

        CScript scriptPubKey;
        scriptPubKey.SetDestination(address.Get());
        int64_t nAmount = AmountFromValue(s.value_);
        totalAmount += nAmount;

        vecSend.push_back(make_pair(scriptPubKey, nAmount));
    }

    EnsureWalletIsUnlocked();

    // Check funds
    int64_t nBalance = GetAccountBalance(strAccount, nMinDepth);
    if (totalAmount > nBalance)
        throw JSONRPCError(RPC_WALLET_INSUFFICIENT_FUNDS, "Account has insufficient funds");

    // Send
    CReserveKey keyChange(pwalletMain);
    int64_t nFeeRequired = 0;
    string strFailReason;
    bool fCreated = pwalletMain->CreateTransaction(vecSend, wtx, keyChange, nFeeRequired, strFailReason);
    if (!fCreated)
        throw JSONRPCError(RPC_WALLET_INSUFFICIENT_FUNDS, strFailReason);
    if (!pwalletMain->CommitTransaction(wtx, keyChange))
        throw JSONRPCError(RPC_WALLET_ERROR, "Transaction commit failed");

    return wtx.GetHash().GetHex();
}

// Defined in rpcmisc.cpp
extern CScript _createmultisig(const Array& params);

Value addmultisigaddress(const Array& params, bool fHelp)
{
    if (fHelp || params.size() < 2 || params.size() > 3)
    {
        string msg = "addmultisigaddress nrequired [\"key\",...] ( \"account\" )\n"
            "\nAdd a nrequired-to-sign multisignature address to the wallet.\n"
            "Each key is a Bitcoin address or hex-encoded public key.\n"
            "If 'account' is specified, assign address to that account.\n"

            "\nArguments:\n"
            "1. nrequired        (numeric, required) The number of required signatures out of the n keys or addresses.\n"
            "2. \"keysobject\"   (string, required) A json array of bitcoin addresses or hex-encoded public keys\n"
            "     [\n"
            "       \"address\"  (string) bitcoin address or hex-encoded public key\n"
            "       ...,\n"
            "     ]\n"
            "3. \"account\"      (string, optional) An account to assign the addresses to.\n"

            "\nResult:\n"
            "\"bitcoinaddress\"  (string) A bitcoin address associated with the keys.\n"

            "\nExamples:\n"
            "\nAdd a multisig address from 2 addresses\n"
            + HelpExampleCli("addmultisigaddress", "2 \"[\\\"16sSauSf5pF2UkUwvKGq4qjNRzBZYqgEL5\\\",\\\"171sgjn4YtPu27adkKGrdDwzRTxnRkBfKV\\\"]\"") +
            "\nAs json rpc call\n"
            + HelpExampleRpc("addmultisigaddress", "2, \"[\\\"16sSauSf5pF2UkUwvKGq4qjNRzBZYqgEL5\\\",\\\"171sgjn4YtPu27adkKGrdDwzRTxnRkBfKV\\\"]\"")
        ;
        throw runtime_error(msg);
    }

    string strAccount;
    if (params.size() > 2)
        strAccount = AccountFromValue(params[2]);

    // Construct using pay-to-script-hash:
    CScript inner = _createmultisig(params);
    CScriptID innerID = inner.GetID();
    pwalletMain->AddCScript(inner);

    pwalletMain->SetAddressBook(innerID, strAccount, "send");
    return CBitcoinAddress(innerID).ToString();
}


struct tallyitem
{
    int64_t nAmount;
    int nConf;
    vector<uint256> txids;
    tallyitem()
    {
        nAmount = 0;
        nConf = std::numeric_limits<int>::max();
    }
};

Value ListReceived(const Array& params, bool fByAccounts)
{
    // Minimum confirmations
    int nMinDepth = 1;
    if (params.size() > 0)
        nMinDepth = params[0].get_int();

    // Whether to include empty accounts
    bool fIncludeEmpty = false;
    if (params.size() > 1)
        fIncludeEmpty = params[1].get_bool();

    // Tally
    map<CBitcoinAddress, tallyitem> mapTally;
    for (map<uint256, CWalletTx>::iterator it = pwalletMain->mapWallet.begin(); it != pwalletMain->mapWallet.end(); ++it)
    {
        const CWalletTx& wtx = (*it).second;

        if (wtx.IsCoinBase() || !IsFinalTx(wtx))
            continue;

        int nDepth = wtx.GetDepthInMainChain();
        if (nDepth < nMinDepth)
            continue;

        BOOST_FOREACH(const CTxOut& txout, wtx.vout)
        {
            CTxDestination address;
            if (!ExtractDestination(txout.scriptPubKey, address) || !IsMine(*pwalletMain, address))
                continue;

            tallyitem& item = mapTally[address];
            item.nAmount += txout.nValue;
            item.nConf = min(item.nConf, nDepth);
            item.txids.push_back(wtx.GetHash());
        }
    }

    // Reply
    Array ret;
    map<string, tallyitem> mapAccountTally;
    BOOST_FOREACH(const PAIRTYPE(CBitcoinAddress, CAddressBookData)& item, pwalletMain->mapAddressBook)
    {
        const CBitcoinAddress& address = item.first;
        const string& strAccount = item.second.name;
        map<CBitcoinAddress, tallyitem>::iterator it = mapTally.find(address);
        if (it == mapTally.end() && !fIncludeEmpty)
            continue;

        int64_t nAmount = 0;
        int nConf = std::numeric_limits<int>::max();
        if (it != mapTally.end())
        {
            nAmount = (*it).second.nAmount;
            nConf = (*it).second.nConf;
        }

        if (fByAccounts)
        {
            tallyitem& item = mapAccountTally[strAccount];
            item.nAmount += nAmount;
            item.nConf = min(item.nConf, nConf);
        }
        else
        {
            Object obj;
            obj.push_back(Pair("address",       address.ToString()));
            obj.push_back(Pair("account",       strAccount));
            obj.push_back(Pair("amount",        ValueFromAmount(nAmount)));
            obj.push_back(Pair("confirmations", (nConf == std::numeric_limits<int>::max() ? 0 : nConf)));
            Array transactions;
            if (it != mapTally.end())
            {
                BOOST_FOREACH(const uint256& item, (*it).second.txids)
                {
                    transactions.push_back(item.GetHex());
                }
            }
            obj.push_back(Pair("txids", transactions));
            ret.push_back(obj);
        }
    }

    if (fByAccounts)
    {
        for (map<string, tallyitem>::iterator it = mapAccountTally.begin(); it != mapAccountTally.end(); ++it)
        {
            int64_t nAmount = (*it).second.nAmount;
            int nConf = (*it).second.nConf;
            Object obj;
            obj.push_back(Pair("account",       (*it).first));
            obj.push_back(Pair("amount",        ValueFromAmount(nAmount)));
            obj.push_back(Pair("confirmations", (nConf == std::numeric_limits<int>::max() ? 0 : nConf)));
            ret.push_back(obj);
        }
    }

    return ret;
}

Value listreceivedbyaddress(const Array& params, bool fHelp)
{
    if (fHelp || params.size() > 2)
        throw runtime_error(
            "listreceivedbyaddress ( minconf includeempty )\n"
            "\nList balances by receiving address.\n"
            "\nArguments:\n"
            "1. minconf       (numeric, optional, default=1) The minimum number of confirmations before payments are included.\n"
            "2. includeempty  (numeric, optional, dafault=false) Whether to include addresses that haven't received any payments.\n"

            "\nResult:\n"
            "[\n"
            "  {\n"
            "    \"address\" : \"receivingaddress\",  (string) The receiving address\n"
            "    \"account\" : \"accountname\",       (string) The account of the receiving address. The default account is \"\".\n"
            "    \"amount\" : x.xxx,                  (numeric) The total amount in btc received by the address\n"
            "    \"confirmations\" : n                (numeric) The number of confirmations of the most recent transaction included\n"
            "  }\n"
            "  ,...\n"
            "]\n"

            "\nExamples:\n"
            + HelpExampleCli("listreceivedbyaddress", "")
            + HelpExampleCli("listreceivedbyaddress", "6 true")
            + HelpExampleRpc("listreceivedbyaddress", "6, true")
        );

    return ListReceived(params, false);
}

Value listreceivedbyaccount(const Array& params, bool fHelp)
{
    if (fHelp || params.size() > 2)
        throw runtime_error(
            "listreceivedbyaccount ( minconf includeempty )\n"
            "\nList balances by account.\n"
            "\nArguments:\n"
            "1. minconf      (numeric, optional, default=1) The minimum number of confirmations before payments are included.\n"
            "2. includeempty (boolean, optional, default=false) Whether to include accounts that haven't received any payments.\n"

            "\nResult:\n"
            "[\n"
            "  {\n"
            "    \"account\" : \"accountname\",  (string) The account name of the receiving account\n"
            "    \"amount\" : x.xxx,             (numeric) The total amount received by addresses with this account\n"
            "    \"confirmations\" : n           (numeric) The number of confirmations of the most recent transaction included\n"
            "  }\n"
            "  ,...\n"
            "]\n"

            "\nExamples:\n"
            + HelpExampleCli("listreceivedbyaccount", "")
            + HelpExampleCli("listreceivedbyaccount", "6 true")
            + HelpExampleRpc("listreceivedbyaccount", "6, true")
        );

    return ListReceived(params, true);
}

static void MaybePushAddress(Object & entry, const CTxDestination &dest)
{
    CBitcoinAddress addr;
    if (addr.Set(dest))
        entry.push_back(Pair("address", addr.ToString()));
}

void ListTransactions(const CWalletTx& wtx, const string& strAccount, int nMinDepth, bool fLong, Array& ret)
{
    int64_t nFee;
    string strSentAccount;
    list<pair<CTxDestination, int64_t> > listReceived;
    list<pair<CTxDestination, int64_t> > listSent;

    wtx.GetAmounts(listReceived, listSent, nFee, strSentAccount);

    bool fAllAccounts = (strAccount == string("*"));

    // Sent
    if ((!listSent.empty() || nFee != 0) && (fAllAccounts || strAccount == strSentAccount))
    {
        BOOST_FOREACH(const PAIRTYPE(CTxDestination, int64_t)& s, listSent)
        {
            Object entry;
            entry.push_back(Pair("account", strSentAccount));
            MaybePushAddress(entry, s.first);
            entry.push_back(Pair("category", "send"));
            entry.push_back(Pair("amount", ValueFromAmount(-s.second)));
            entry.push_back(Pair("fee", ValueFromAmount(-nFee)));
            if (fLong)
                WalletTxToJSON(wtx, entry);
            ret.push_back(entry);
        }
    }

    // Received
    if (listReceived.size() > 0 && wtx.GetDepthInMainChain() >= nMinDepth)
    {
        BOOST_FOREACH(const PAIRTYPE(CTxDestination, int64_t)& r, listReceived)
        {
            string account;
            if (pwalletMain->mapAddressBook.count(r.first))
                account = pwalletMain->mapAddressBook[r.first].name;
            if (fAllAccounts || (account == strAccount))
            {
                Object entry;
                entry.push_back(Pair("account", account));
                MaybePushAddress(entry, r.first);
                if (wtx.IsCoinBase())
                {
                    if (wtx.GetDepthInMainChain() < 1)
                        entry.push_back(Pair("category", "orphan"));
                    else if (wtx.GetBlocksToMaturity() > 0)
                        entry.push_back(Pair("category", "immature"));
                    else
                        entry.push_back(Pair("category", "generate"));
                }
                else
                {
                    entry.push_back(Pair("category", "receive"));
                }
                entry.push_back(Pair("amount", ValueFromAmount(r.second)));
                if (fLong)
                    WalletTxToJSON(wtx, entry);
                ret.push_back(entry);
            }
        }
    }
}

void AcentryToJSON(const CAccountingEntry& acentry, const string& strAccount, Array& ret)
{
    bool fAllAccounts = (strAccount == string("*"));

    if (fAllAccounts || acentry.strAccount == strAccount)
    {
        Object entry;
        entry.push_back(Pair("account", acentry.strAccount));
        entry.push_back(Pair("category", "move"));
        entry.push_back(Pair("time", acentry.nTime));
        entry.push_back(Pair("amount", ValueFromAmount(acentry.nCreditDebit)));
        entry.push_back(Pair("otheraccount", acentry.strOtherAccount));
        entry.push_back(Pair("comment", acentry.strComment));
        ret.push_back(entry);
    }
}

Value listtransactions(const Array& params, bool fHelp)
{
    if (fHelp || params.size() > 3)
        throw runtime_error(
            "listtransactions ( \"account\" count from )\n"
            "\nReturns up to 'count' most recent transactions skipping the first 'from' transactions for account 'account'.\n"
            "\nArguments:\n"
            "1. \"account\"    (string, optional) The account name. If not included, it will list all transactions for all accounts.\n"
            "                                     If \"\" is set, it will list transactions for the default account.\n"
            "2. count          (numeric, optional, default=10) The number of transactions to return\n"
            "3. from           (numeric, optional, default=0) The number of transactions to skip\n"

            "\nResult:\n"
            "[\n"
            "  {\n"
            "    \"account\":\"accountname\",       (string) The account name associated with the transaction. \n"
            "                                                It will be \"\" for the default account.\n"
            "    \"address\":\"bitcoinaddress\",    (string) The bitcoin address of the transaction. Not present for \n"
            "                                                move transactions (category = move).\n"
            "    \"category\":\"send|receive|move\", (string) The transaction category. 'move' is a local (off blockchain)\n"
            "                                                transaction between accounts, and not associated with an address,\n"
            "                                                transaction id or block. 'send' and 'receive' transactions are \n"
            "                                                associated with an address, transaction id and block details\n"
            "    \"amount\": x.xxx,          (numeric) The amount in btc. This is negative for the 'send' category, and for the\n"
            "                                         'move' category for moves outbound. It is positive for the 'receive' category,\n"
            "                                         and for the 'move' category for inbound funds.\n"
            "    \"fee\": x.xxx,             (numeric) The amount of the fee in btc. This is negative and only available for the \n"
            "                                         'send' category of transactions.\n"
            "    \"confirmations\": n,       (numeric) The number of confirmations for the transaction. Available for 'send' and \n"
            "                                         'receive' category of transactions.\n"
            "    \"blockhash\": \"hashvalue\", (string) The block hash containing the transaction. Available for 'send' and 'receive'\n"
            "                                          category of transactions.\n"
            "    \"blockindex\": n,          (numeric) The block index containing the transaction. Available for 'send' and 'receive'\n"
            "                                          category of transactions.\n"
            "    \"txid\": \"transactionid\", (string) The transaction id. Available for 'send' and 'receive' category of transactions.\n"
            "    \"time\": xxx,              (numeric) The transaction time in seconds since epoch (midnight Jan 1 1970 GMT).\n"
            "    \"timereceived\": xxx,      (numeric) The time received in seconds since epoch (midnight Jan 1 1970 GMT). Available \n"
            "                                          for 'send' and 'receive' category of transactions.\n"
            "    \"comment\": \"...\",       (string) If a comment is associated with the transaction.\n"
            "    \"otheraccount\": \"accountname\",  (string) For the 'move' category of transactions, the account the funds came \n"
            "                                          from (for receiving funds, positive amounts), or went to (for sending funds,\n"
            "                                          negative amounts).\n"
            "  }\n"
            "]\n"

            "\nExamples:\n"
            "\nList the most recent 10 transactions in the systems\n"
            + HelpExampleCli("listtransactions", "") +
            "\nList the most recent 10 transactions for the tabby account\n"
            + HelpExampleCli("listtransactions", "\"tabby\"") +
            "\nList transactions 100 to 120 from the tabby account\n"
            + HelpExampleCli("listtransactions", "\"tabby\" 20 100") +
            "\nAs a json rpc call\n"
            + HelpExampleRpc("listtransactions", "\"tabby\", 20, 100")
        );

    string strAccount = "*";
    if (params.size() > 0)
        strAccount = params[0].get_str();
    int nCount = 10;
    if (params.size() > 1)
        nCount = params[1].get_int();
    int nFrom = 0;
    if (params.size() > 2)
        nFrom = params[2].get_int();

    if (nCount < 0)
        throw JSONRPCError(RPC_INVALID_PARAMETER, "Negative count");
    if (nFrom < 0)
        throw JSONRPCError(RPC_INVALID_PARAMETER, "Negative from");

    Array ret;

    std::list<CAccountingEntry> acentries;
    CWallet::TxItems txOrdered = pwalletMain->OrderedTxItems(acentries, strAccount);

    // iterate backwards until we have nCount items to return:
    for (CWallet::TxItems::reverse_iterator it = txOrdered.rbegin(); it != txOrdered.rend(); ++it)
    {
        CWalletTx *const pwtx = (*it).second.first;
        if (pwtx != 0)
            ListTransactions(*pwtx, strAccount, 0, true, ret);
        CAccountingEntry *const pacentry = (*it).second.second;
        if (pacentry != 0)
            AcentryToJSON(*pacentry, strAccount, ret);

        if ((int)ret.size() >= (nCount+nFrom)) break;
    }
    // ret is newest to oldest

    if (nFrom > (int)ret.size())
        nFrom = ret.size();
    if ((nFrom + nCount) > (int)ret.size())
        nCount = ret.size() - nFrom;
    Array::iterator first = ret.begin();
    std::advance(first, nFrom);
    Array::iterator last = ret.begin();
    std::advance(last, nFrom+nCount);

    if (last != ret.end()) ret.erase(last, ret.end());
    if (first != ret.begin()) ret.erase(ret.begin(), first);

    std::reverse(ret.begin(), ret.end()); // Return oldest to newest

    return ret;
}

Value listaccounts(const Array& params, bool fHelp)
{
    if (fHelp || params.size() > 1)
        throw runtime_error(
            "listaccounts ( minconf )\n"
            "\nReturns Object that has account names as keys, account balances as values.\n"
            "\nArguments:\n"
            "1. minconf     (numeric, optional, default=1) Only onclude transactions with at least this many confirmations\n"
            "\nResult:\n"
            "{                      (json object where keys are account names, and values are numeric balances\n"
            "  \"account\": x.xxx,  (numeric) The property name is the account name, and the value is the total balance for the account.\n"
            "  ...\n"
            "}\n"
            "\nExamples:\n"
            "\nList account balances where there at least 1 confirmation\n"
            + HelpExampleCli("listaccounts", "") +
            "\nList account balances including zero confirmation transactions\n"
            + HelpExampleCli("listaccounts", "0") +
            "\nList account balances for 6 or more confirmations\n"
            + HelpExampleCli("listaccounts", "6") +
            "\nAs json rpc call\n"
            + HelpExampleRpc("listaccounts", "6")
        );

    int nMinDepth = 1;
    if (params.size() > 0)
        nMinDepth = params[0].get_int();

    map<string, int64_t> mapAccountBalances;
    BOOST_FOREACH(const PAIRTYPE(CTxDestination, CAddressBookData)& entry, pwalletMain->mapAddressBook) {
        if (IsMine(*pwalletMain, entry.first)) // This address belongs to me
            mapAccountBalances[entry.second.name] = 0;
    }

    for (map<uint256, CWalletTx>::iterator it = pwalletMain->mapWallet.begin(); it != pwalletMain->mapWallet.end(); ++it)
    {
        const CWalletTx& wtx = (*it).second;
        int64_t nFee;
        string strSentAccount;
        list<pair<CTxDestination, int64_t> > listReceived;
        list<pair<CTxDestination, int64_t> > listSent;
        int nDepth = wtx.GetDepthInMainChain();
        if (wtx.GetBlocksToMaturity() > 0 || nDepth < 0)
            continue;
        wtx.GetAmounts(listReceived, listSent, nFee, strSentAccount);
        mapAccountBalances[strSentAccount] -= nFee;
        BOOST_FOREACH(const PAIRTYPE(CTxDestination, int64_t)& s, listSent)
            mapAccountBalances[strSentAccount] -= s.second;
        if (nDepth >= nMinDepth)
        {
            BOOST_FOREACH(const PAIRTYPE(CTxDestination, int64_t)& r, listReceived)
                if (pwalletMain->mapAddressBook.count(r.first))
                    mapAccountBalances[pwalletMain->mapAddressBook[r.first].name] += r.second;
                else
                    mapAccountBalances[""] += r.second;
        }
    }

    list<CAccountingEntry> acentries;
    CWalletDB(pwalletMain->strWalletFile).ListAccountCreditDebit("*", acentries);
    BOOST_FOREACH(const CAccountingEntry& entry, acentries)
        mapAccountBalances[entry.strAccount] += entry.nCreditDebit;

    Object ret;
    BOOST_FOREACH(const PAIRTYPE(string, int64_t)& accountBalance, mapAccountBalances) {
        ret.push_back(Pair(accountBalance.first, ValueFromAmount(accountBalance.second)));
    }
    return ret;
}

Value listsinceblock(const Array& params, bool fHelp)
{
    if (fHelp)
        throw runtime_error(
            "listsinceblock ( \"blockhash\" target-confirmations )\n"
            "\nGet all transactions in blocks since block [blockhash], or all transactions if omitted\n"
            "\nArguments:\n"
            "1. \"blockhash\"   (string, optional) The block hash to list transactions since\n"
            "2. target-confirmations:    (numeric, optional) The confirmations required, must be 1 or more\n"
            "\nResult:\n"
            "{\n"
            "  \"transactions\": [\n"
            "    \"account\":\"accountname\",       (string) The account name associated with the transaction. Will be \"\" for the default account.\n"
            "    \"address\":\"bitcoinaddress\",    (string) The bitcoin address of the transaction. Not present for move transactions (category = move).\n"
            "    \"category\":\"send|receive\",     (string) The transaction category. 'send' has negative amounts, 'receive' has positive amounts.\n"
            "    \"amount\": x.xxx,          (numeric) The amount in btc. This is negative for the 'send' category, and for the 'move' category for moves \n"
            "                                          outbound. It is positive for the 'receive' category, and for the 'move' category for inbound funds.\n"
            "    \"fee\": x.xxx,             (numeric) The amount of the fee in btc. This is negative and only available for the 'send' category of transactions.\n"
            "    \"confirmations\": n,       (numeric) The number of confirmations for the transaction. Available for 'send' and 'receive' category of transactions.\n"
            "    \"blockhash\": \"hashvalue\",     (string) The block hash containing the transaction. Available for 'send' and 'receive' category of transactions.\n"
            "    \"blockindex\": n,          (numeric) The block index containing the transaction. Available for 'send' and 'receive' category of transactions.\n"
            "    \"blocktime\": xxx,         (numeric) The block time in seconds since epoch (1 Jan 1970 GMT).\n"
            "    \"txid\": \"transactionid\",  (string) The transaction id. Available for 'send' and 'receive' category of transactions.\n"
            "    \"time\": xxx,              (numeric) The transaction time in seconds since epoch (Jan 1 1970 GMT).\n"
            "    \"timereceived\": xxx,      (numeric) The time received in seconds since epoch (Jan 1 1970 GMT). Available for 'send' and 'receive' category of transactions.\n"
            "    \"comment\": \"...\",       (string) If a comment is associated with the transaction.\n"
            "    \"to\": \"...\",            (string) If a comment to is associated with the transaction.\n"
             "  ],\n"
            "  \"lastblock\": \"lastblockhash\"     (string) The hash of the last block\n"
            "}\n"
            "\nExamples:\n"
            + HelpExampleCli("listsinceblock", "")
            + HelpExampleCli("listsinceblock", "\"000000000000000bacf66f7497b7dc45ef753ee9a7d38571037cdb1a57f663ad\" 6")
            + HelpExampleRpc("listsinceblock", "\"000000000000000bacf66f7497b7dc45ef753ee9a7d38571037cdb1a57f663ad\", 6")
        );

    CBlockIndex *pindex = NULL;
    int target_confirms = 1;

    if (params.size() > 0)
    {
        uint256 blockId = 0;

        blockId.SetHex(params[0].get_str());
        std::map<uint256, CBlockIndex*>::iterator it = mapBlockIndex.find(blockId);
        if (it != mapBlockIndex.end())
            pindex = it->second;
    }

    if (params.size() > 1)
    {
        target_confirms = params[1].get_int();

        if (target_confirms < 1)
            throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid parameter");
    }

    int depth = pindex ? (1 + chainActive.Height() - pindex->nHeight) : -1;

    Array transactions;

    for (map<uint256, CWalletTx>::iterator it = pwalletMain->mapWallet.begin(); it != pwalletMain->mapWallet.end(); it++)
    {
        CWalletTx tx = (*it).second;

        if (depth == -1 || tx.GetDepthInMainChain() < depth)
            ListTransactions(tx, "*", 0, true, transactions);
    }

    CBlockIndex *pblockLast = chainActive[chainActive.Height() + 1 - target_confirms];
    uint256 lastblock = pblockLast ? pblockLast->GetBlockHash() : 0;

    Object ret;
    ret.push_back(Pair("transactions", transactions));
    ret.push_back(Pair("lastblock", lastblock.GetHex()));

    return ret;
}

Value gettransaction(const Array& params, bool fHelp)
{
    if (fHelp || params.size() != 1)
        throw runtime_error(
            "gettransaction \"txid\"\n"
            "\nGet detailed information about in-wallet transaction <txid>\n"
            "\nArguments:\n"
            "1. \"txid\"    (string, required) The transaction id\n"
            "\nResult:\n"
            "{\n"
            "  \"amount\" : x.xxx,        (numeric) The transaction amount in btc\n"
            "  \"confirmations\" : n,     (numeric) The number of confirmations\n"
            "  \"blockhash\" : \"hash\",  (string) The block hash\n"
            "  \"blockindex\" : xx,       (numeric) The block index\n"
            "  \"blocktime\" : ttt,       (numeric) The time in seconds since epoch (1 Jan 1970 GMT)\n"
            "  \"txid\" : \"transactionid\",   (string) The transaction id.\n"
            "  \"time\" : ttt,            (numeric) The transaction time in seconds since epoch (1 Jan 1970 GMT)\n"
            "  \"timereceived\" : ttt,    (numeric) The time received in seconds since epoch (1 Jan 1970 GMT)\n"
            "  \"details\" : [\n"
            "    {\n"
            "      \"account\" : \"accountname\",  (string) The account name involved in the transaction, can be \"\" for the default account.\n"
            "      \"address\" : \"bitcoinaddress\",   (string) The bitcoin address involved in the transaction\n"
            "      \"category\" : \"send|receive\",    (string) The category, either 'send' or 'receive'\n"
            "      \"amount\" : x.xxx                  (numeric) The amount in btc\n"
            "    }\n"
            "    ,...\n"
            "  ],\n"
            "  \"hex\" : \"data\"         (string) Raw data for transaction\n"
            "}\n"

            "\nbExamples\n"
            + HelpExampleCli("gettransaction", "\"1075db55d416d3ca199f55b6084e2115b9345e16c5cf302fc80e9d5fbf5d48d\"")
            + HelpExampleRpc("gettransaction", "\"1075db55d416d3ca199f55b6084e2115b9345e16c5cf302fc80e9d5fbf5d48d\"")
        );

    uint256 hash;
    hash.SetHex(params[0].get_str());

    Object entry;
    if (!pwalletMain->mapWallet.count(hash))
        throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid or non-wallet transaction id");
    const CWalletTx& wtx = pwalletMain->mapWallet[hash];

    int64_t nCredit = wtx.GetCredit();
    int64_t nDebit = wtx.GetDebit();
    int64_t nNet = nCredit - nDebit;
    int64_t nFee = (wtx.IsFromMe() ? wtx.GetValueOut() - nDebit : 0);

    entry.push_back(Pair("amount", ValueFromAmount(nNet - nFee)));
    if (wtx.IsFromMe())
        entry.push_back(Pair("fee", ValueFromAmount(nFee)));

    WalletTxToJSON(wtx, entry);

    Array details;
    ListTransactions(wtx, "*", 0, false, details);
    entry.push_back(Pair("details", details));

    CDataStream ssTx(SER_NETWORK, PROTOCOL_VERSION);
    ssTx << static_cast<CTransaction>(wtx);
    string strHex = HexStr(ssTx.begin(), ssTx.end());
    entry.push_back(Pair("hex", strHex));

    return entry;
}


Value backupwallet(const Array& params, bool fHelp)
{
    if (fHelp || params.size() != 1)
        throw runtime_error(
            "backupwallet \"destination\"\n"
            "\nSafely copies wallet.dat to destination, which can be a directory or a path with filename.\n"
            "\nArguments:\n"
            "1. \"destination\"   (string) The destination directory or file\n"
            "\nExamples:\n"
            + HelpExampleCli("backupwallet", "\"backup.dat\"")
            + HelpExampleRpc("backupwallet", "\"backup.dat\"")
        );

    string strDest = params[0].get_str();
    if (!BackupWallet(*pwalletMain, strDest))
        throw JSONRPCError(RPC_WALLET_ERROR, "Error: Wallet backup failed!");

    return Value::null;
}


Value keypoolrefill(const Array& params, bool fHelp)
{
    if (fHelp || params.size() > 1)
        throw runtime_error(
            "keypoolrefill ( newsize )\n"
            "\nFills the keypool."
            + HelpRequiringPassphrase() + "\n"
            "\nArguments\n"
            "1. newsize     (numeric, optional, default=100) The new keypool size\n"
            "\nExamples:\n"
            + HelpExampleCli("keypoolrefill", "")
            + HelpExampleRpc("keypoolrefill", "")
        );

    // 0 is interpreted by TopUpKeyPool() as the default keypool size given by -keypool
    unsigned int kpSize = 0;
    if (params.size() > 0) {
        if (params[0].get_int() < 0)
            throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid parameter, expected valid size.");
        kpSize = (unsigned int)params[0].get_int();
    }

    EnsureWalletIsUnlocked();
    pwalletMain->TopUpKeyPool(kpSize);

    if (pwalletMain->GetKeyPoolSize() < kpSize)
        throw JSONRPCError(RPC_WALLET_ERROR, "Error refreshing keypool.");

    return Value::null;
}


static void LockWallet(CWallet* pWallet)
{
    LOCK(cs_nWalletUnlockTime);
    nWalletUnlockTime = 0;
    pWallet->Lock();
}

Value walletpassphrase(const Array& params, bool fHelp)
{
    if (pwalletMain->IsCrypted() && (fHelp || params.size() != 2))
        throw runtime_error(
            "walletpassphrase \"passphrase\" timeout\n"
            "\nStores the wallet decryption key in memory for 'timeout' seconds.\n"
            "This is needed prior to performing transactions related to private keys such as sending bitcoins\n"
            "\nArguments:\n"
            "1. \"passphrase\"     (string, required) The wallet passphrase\n"
            "2. timeout            (numeric, required) The time to keep the decryption key in seconds.\n"
            "\nNote:\n"
            "Issuing the walletpassphrase command while the wallet is already unlocked will set a new unlock\n"
            "time that overrides the old one.\n"
            "\nExamples:\n"
            "\nunlock the wallet for 60 seconds\n"
            + HelpExampleCli("walletpassphrase", "\"my pass phrase\" 60") +
            "\nLock the wallet again (before 60 seconds)\n"
            + HelpExampleCli("walletlock", "") +
            "\nAs json rpc call\n"
            + HelpExampleRpc("walletpassphrase", "\"my pass phrase\", 60")
        );

    if (fHelp)
        return true;
    if (!pwalletMain->IsCrypted())
        throw JSONRPCError(RPC_WALLET_WRONG_ENC_STATE, "Error: running with an unencrypted wallet, but walletpassphrase was called.");

    // Note that the walletpassphrase is stored in params[0] which is not mlock()ed
    SecureString strWalletPass;
    strWalletPass.reserve(100);
    // TODO: get rid of this .c_str() by implementing SecureString::operator=(std::string)
    // Alternately, find a way to make params[0] mlock()'d to begin with.
    strWalletPass = params[0].get_str().c_str();

    if (strWalletPass.length() > 0)
    {
        if (!pwalletMain->Unlock(strWalletPass))
            throw JSONRPCError(RPC_WALLET_PASSPHRASE_INCORRECT, "Error: The wallet passphrase entered was incorrect.");
    }
    else
        throw runtime_error(
            "walletpassphrase <passphrase> <timeout>\n"
            "Stores the wallet decryption key in memory for <timeout> seconds.");

    pwalletMain->TopUpKeyPool();

    int64_t nSleepTime = params[1].get_int64();
    LOCK(cs_nWalletUnlockTime);
    nWalletUnlockTime = GetTime() + nSleepTime;
    RPCRunLater("lockwallet", boost::bind(LockWallet, pwalletMain), nSleepTime);

    return Value::null;
}


Value walletpassphrasechange(const Array& params, bool fHelp)
{
    if (pwalletMain->IsCrypted() && (fHelp || params.size() != 2))
        throw runtime_error(
            "walletpassphrasechange \"oldpassphrase\" \"newpassphrase\"\n"
            "\nChanges the wallet passphrase from 'oldpassphrase' to 'newpassphrase'.\n"
            "\nArguments:\n"
            "1. \"oldpassphrase\"      (string) The current passphrase\n"
            "2. \"newpassphrase\"      (string) The new passphrase\n"
            "\nExamples:\n"
            + HelpExampleCli("walletpassphrasechange", "\"old one\" \"new one\"")
            + HelpExampleRpc("walletpassphrasechange", "\"old one\", \"new one\"")
        );

    if (fHelp)
        return true;
    if (!pwalletMain->IsCrypted())
        throw JSONRPCError(RPC_WALLET_WRONG_ENC_STATE, "Error: running with an unencrypted wallet, but walletpassphrasechange was called.");

    // TODO: get rid of these .c_str() calls by implementing SecureString::operator=(std::string)
    // Alternately, find a way to make params[0] mlock()'d to begin with.
    SecureString strOldWalletPass;
    strOldWalletPass.reserve(100);
    strOldWalletPass = params[0].get_str().c_str();

    SecureString strNewWalletPass;
    strNewWalletPass.reserve(100);
    strNewWalletPass = params[1].get_str().c_str();

    if (strOldWalletPass.length() < 1 || strNewWalletPass.length() < 1)
        throw runtime_error(
            "walletpassphrasechange <oldpassphrase> <newpassphrase>\n"
            "Changes the wallet passphrase from <oldpassphrase> to <newpassphrase>.");

    if (!pwalletMain->ChangeWalletPassphrase(strOldWalletPass, strNewWalletPass))
        throw JSONRPCError(RPC_WALLET_PASSPHRASE_INCORRECT, "Error: The wallet passphrase entered was incorrect.");

    return Value::null;
}


Value walletlock(const Array& params, bool fHelp)
{
    if (pwalletMain->IsCrypted() && (fHelp || params.size() != 0))
        throw runtime_error(
            "walletlock\n"
            "\nRemoves the wallet encryption key from memory, locking the wallet.\n"
            "After calling this method, you will need to call walletpassphrase again\n"
            "before being able to call any methods which require the wallet to be unlocked.\n"
            "\nExamples:\n"
            "\nSet the passphrase for 2 minutes to perform a transaction\n"
            + HelpExampleCli("walletpassphrase", "\"my pass phrase\" 120") +
            "\nPerform a send (requires passphrase set)\n"
            + HelpExampleCli("sendtoaddress", "\"1M72Sfpbz1BPpXFHz9m3CdqATR44Jvaydd\" 1.0") +
            "\nClear the passphrase since we are done before 2 minutes is up\n"
            + HelpExampleCli("walletlock", "") +
            "\nAs json rpc call\n"
            + HelpExampleRpc("walletlock", "")
        );

    if (fHelp)
        return true;
    if (!pwalletMain->IsCrypted())
        throw JSONRPCError(RPC_WALLET_WRONG_ENC_STATE, "Error: running with an unencrypted wallet, but walletlock was called.");

    {
        LOCK(cs_nWalletUnlockTime);
        pwalletMain->Lock();
        nWalletUnlockTime = 0;
    }

    return Value::null;
}


Value encryptwallet(const Array& params, bool fHelp)
{
    if (!pwalletMain->IsCrypted() && (fHelp || params.size() != 1))
        throw runtime_error(
            "encryptwallet \"passphrase\"\n"
            "\nEncrypts the wallet with 'passphrase'. This is for first time encryption.\n"
            "After this, any calls that interact with private keys such as sending or signing \n"
            "will require the passphrase to be set prior the making these calls.\n"
            "Use the walletpassphrase call for this, and then walletlock call.\n"
            "If the wallet is already encrypted, use the walletpassphrasechange call.\n"
            "Note that this will shutdown the server.\n"
            "\nArguments:\n"
            "1. \"passphrase\"    (string) The pass phrase to encrypt the wallet with. It must be at least 1 character, but should be long.\n"
            "\nExamples:\n"
            "\nEncrypt you wallet\n"
            + HelpExampleCli("encryptwallet", "\"my pass phrase\"") +
            "\nNow set the passphrase to use the wallet, such as for signing or sending bitcoin\n"
            + HelpExampleCli("walletpassphrase", "\"my pass phrase\"") +
            "\nNow we can so something like sign\n"
            + HelpExampleCli("signmessage", "\"bitcoinaddress\" \"test message\"") +
            "\nNow lock the wallet again by removing the passphrase\n"
            + HelpExampleCli("walletlock", "") +
            "\nAs a json rpc call\n"
            + HelpExampleRpc("encryptwallet", "\"my pass phrase\"")
        );

    if (fHelp)
        return true;
    if (pwalletMain->IsCrypted())
        throw JSONRPCError(RPC_WALLET_WRONG_ENC_STATE, "Error: running with an encrypted wallet, but encryptwallet was called.");

    // TODO: get rid of this .c_str() by implementing SecureString::operator=(std::string)
    // Alternately, find a way to make params[0] mlock()'d to begin with.
    SecureString strWalletPass;
    strWalletPass.reserve(100);
    strWalletPass = params[0].get_str().c_str();

    if (strWalletPass.length() < 1)
        throw runtime_error(
            "encryptwallet <passphrase>\n"
            "Encrypts the wallet with <passphrase>.");

    if (!pwalletMain->EncryptWallet(strWalletPass))
        throw JSONRPCError(RPC_WALLET_ENCRYPTION_FAILED, "Error: Failed to encrypt the wallet.");

    // BDB seems to have a bad habit of writing old data into
    // slack space in .dat files; that is bad if the old data is
    // unencrypted private keys. So:
    StartShutdown();
    return "wallet encrypted; Bitcoin server stopping, restart to run with encrypted wallet. The keypool has been flushed, you need to make a new backup.";
}

Value lockunspent(const Array& params, bool fHelp)
{
    if (fHelp || params.size() < 1 || params.size() > 2)
        throw runtime_error(
            "lockunspent unlock [{\"txid\":\"txid\",\"vout\":n},...]\n"
            "\nUpdates list of temporarily unspendable outputs.\n"
            "Temporarily lock (unlock=false) or unlock (unlock=true) specified transaction outputs.\n"
            "A locked transaction output will not be chosen by automatic coin selection, when spending bitcoins.\n"
            "Locks are stored in memory only. Nodes start with zero locked outputs, and the locked output list\n"
            "is always cleared (by virtue of process exit) when a node stops or fails.\n"
            "Also see the listunspent call\n"
            "\nArguments:\n"
            "1. unlock            (boolean, required) Whether to unlock (true) or lock (false) the specified transactions\n"
            "2. \"transactions\"  (string, required) A json array of objects. Each object the txid (string) vout (numeric)\n"
            "     [           (json array of json objects)\n"
            "       {\n"
            "         \"txid\":\"id\",    (string) The transaction id\n"
            "         \"vout\": n         (numeric) The output number\n"
            "       }\n"
            "       ,...\n"
            "     ]\n"

            "\nResult:\n"
            "true|false    (boolean) Whether the command was successful or not\n"

            "\nExamples:\n"
            "\nList the unspent transactions\n"
            + HelpExampleCli("listunspent", "") +
            "\nLock an unspent transaction\n"
            + HelpExampleCli("lockunspent", "false \"[{\\\"txid\\\":\\\"a08e6907dbbd3d809776dbfc5d82e371b764ed838b5655e72f463568df1aadf0\\\",\\\"vout\\\":1}]\"") +
            "\nList the locked transactions\n"
            + HelpExampleCli("listlockunspent", "") +
            "\nUnlock the transaction again\n"
            + HelpExampleCli("lockunspent", "true \"[{\\\"txid\\\":\\\"a08e6907dbbd3d809776dbfc5d82e371b764ed838b5655e72f463568df1aadf0\\\",\\\"vout\\\":1}]\"") +
            "\nAs a json rpc call\n"
            + HelpExampleRpc("lockunspent", "false, \"[{\\\"txid\\\":\\\"a08e6907dbbd3d809776dbfc5d82e371b764ed838b5655e72f463568df1aadf0\\\",\\\"vout\\\":1}]\"")
        );

    if (params.size() == 1)
        RPCTypeCheck(params, list_of(bool_type));
    else
        RPCTypeCheck(params, list_of(bool_type)(array_type));

    bool fUnlock = params[0].get_bool();

    if (params.size() == 1) {
        if (fUnlock)
            pwalletMain->UnlockAllCoins();
        return true;
    }

    Array outputs = params[1].get_array();
    BOOST_FOREACH(Value& output, outputs)
    {
        if (output.type() != obj_type)
            throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid parameter, expected object");
        const Object& o = output.get_obj();

        RPCTypeCheck(o, map_list_of("txid", str_type)("vout", int_type));

        string txid = find_value(o, "txid").get_str();
        if (!IsHex(txid))
            throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid parameter, expected hex txid");

        int nOutput = find_value(o, "vout").get_int();
        if (nOutput < 0)
            throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid parameter, vout must be positive");

        COutPoint outpt(uint256(txid), nOutput);

        if (fUnlock)
            pwalletMain->UnlockCoin(outpt);
        else
            pwalletMain->LockCoin(outpt);
    }

    return true;
}

Value listlockunspent(const Array& params, bool fHelp)
{
    if (fHelp || params.size() > 0)
        throw runtime_error(
            "listlockunspent\n"
            "\nReturns list of temporarily unspendable outputs.\n"
            "See the lockunspent call to lock and unlock transactions for spending.\n"
            "\nResult:\n"
            "[\n"
            "  {\n"
            "    \"txid\" : \"transactionid\",     (string) The transaction id locked\n"
            "    \"vout\" : n                      (numeric) The vout value\n"
            "  }\n"
            "  ,...\n"
            "]\n"
            "\nExamples:\n"
            "\nList the unspent transactions\n"
            + HelpExampleCli("listunspent", "") +
            "\nLock an unspent transaction\n"
            + HelpExampleCli("lockunspent", "false \"[{\\\"txid\\\":\\\"a08e6907dbbd3d809776dbfc5d82e371b764ed838b5655e72f463568df1aadf0\\\",\\\"vout\\\":1}]\"") +
            "\nList the locked transactions\n"
            + HelpExampleCli("listlockunspent", "") +
            "\nUnlock the transaction again\n"
            + HelpExampleCli("lockunspent", "true \"[{\\\"txid\\\":\\\"a08e6907dbbd3d809776dbfc5d82e371b764ed838b5655e72f463568df1aadf0\\\",\\\"vout\\\":1}]\"") +
            "\nAs a json rpc call\n"
            + HelpExampleRpc("listlockunspent", "")
        );

    vector<COutPoint> vOutpts;
    pwalletMain->ListLockedCoins(vOutpts);

    Array ret;

    BOOST_FOREACH(COutPoint &outpt, vOutpts) {
        Object o;

        o.push_back(Pair("txid", outpt.hash.GetHex()));
        o.push_back(Pair("vout", (int)outpt.n));
        ret.push_back(o);
    }

    return ret;
}

Value settxfee(const Array& params, bool fHelp)
{
    if (fHelp || params.size() < 1 || params.size() > 1)
        throw runtime_error(
            "settxfee amount\n"
            "\nSet the transaction fee per kB.\n"
            "\nArguments:\n"
            "1. amount         (numeric, required) The transaction fee in BTC/kB rounded to the nearest 0.00000001\n"
            "\nResult\n"
            "true|false        (boolean) Returns true if successful\n"
            "\nExamples:\n"
            + HelpExampleCli("settxfee", "0.00001")
            + HelpExampleRpc("settxfee", "0.00001")
        );

    // Amount
    int64_t nAmount = 0;
    if (params[0].get_real() != 0.0)
        nAmount = AmountFromValue(params[0]);        // rejects 0.0 amounts

    nTransactionFee = nAmount;
    return true;
}

Value getwalletinfo(const Array& params, bool fHelp)
{
    if (fHelp || params.size() != 0)
        throw runtime_error(
            "getwalletinfo\n"
            "Returns an object containing various wallet state info.\n"
            "\nResult:\n"
            "{\n"
            "  \"walletversion\": xxxxx,     (numeric) the wallet version\n"
            "  \"balance\": xxxxxxx,         (numeric) the total bitcoin balance of the wallet\n"
            "  \"txcount\": xxxxxxx,         (numeric) the total number of transactions in the wallet\n"
            "  \"keypoololdest\": xxxxxx,    (numeric) the timestamp (seconds since GMT epoch) of the oldest pre-generated key in the key pool\n"
            "  \"keypoolsize\": xxxx,        (numeric) how many new keys are pre-generated\n"
            "  \"unlocked_until\": ttt,      (numeric) the timestamp in seconds since epoch (midnight Jan 1 1970 GMT) that the wallet is unlocked for transfers, or 0 if the wallet is locked\n"
            "}\n"
            "\nExamples:\n"
            + HelpExampleCli("getwalletinfo", "")
            + HelpExampleRpc("getwalletinfo", "")
        );

    Object obj;
    obj.push_back(Pair("walletversion", pwalletMain->GetVersion()));
    obj.push_back(Pair("balance",       ValueFromAmount(pwalletMain->GetBalance())));
    obj.push_back(Pair("txcount",       (int)pwalletMain->mapWallet.size()));
    obj.push_back(Pair("keypoololdest", pwalletMain->GetOldestKeyPoolTime()));
    obj.push_back(Pair("keypoolsize",   (int)pwalletMain->GetKeyPoolSize()));
    if (pwalletMain->IsCrypted())
        obj.push_back(Pair("unlocked_until", nWalletUnlockTime));
    return obj;
}