forked from goatpig/BitcoinArmory
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathAccounts.cpp
More file actions
1231 lines (992 loc) · 36.7 KB
/
Accounts.cpp
File metadata and controls
1231 lines (992 loc) · 36.7 KB
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
////////////////////////////////////////////////////////////////////////////////
// //
// Copyright (C) 2017, goatpig //
// Distributed under the MIT license //
// See LICENSE-MIT or https://opensource.org/licenses/MIT //
// //
////////////////////////////////////////////////////////////////////////////////
#include "DBUtils.h"
#include "Accounts.h"
#include "DecryptedDataContainer.h"
////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
//// AssetAccount
////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
size_t AssetAccount::writeAssetEntry(shared_ptr<AssetEntry> entryPtr)
{
if (!entryPtr->needsCommit())
return SIZE_MAX;
auto&& serializedEntry = entryPtr->serialize();
auto&& dbKey = entryPtr->getDbKey();
CharacterArrayRef keyRef(dbKey.getSize(), dbKey.getPtr());
CharacterArrayRef dataRef(serializedEntry.getSize(), serializedEntry.getPtr());
LMDBEnv::Transaction tx(dbEnv_.get(), LMDB::ReadWrite);
db_->insert(keyRef, dataRef);
entryPtr->doNotCommit();
return serializedEntry.getSize();
}
////////////////////////////////////////////////////////////////////////////////
void AssetAccount::updateOnDiskAssets()
{
LMDBEnv::Transaction tx(dbEnv_.get(), LMDB::ReadWrite);
for (auto& entryPtr : assets_)
writeAssetEntry(entryPtr.second);
updateAssetCount();
}
////////////////////////////////////////////////////////////////////////////////
void AssetAccount::updateAssetCount()
{
//asset count key
BinaryWriter bwKey;
bwKey.put_uint8_t(ASSET_COUNT_PREFIX);
bwKey.put_BinaryData(getFullID());
//asset count
BinaryWriter bwData;
bwData.put_var_int(assets_.size());
LMDBEnv::Transaction tx(dbEnv_.get(), LMDB::ReadWrite);
putData(db_, bwKey.getData(), bwData.getData());
}
////////////////////////////////////////////////////////////////////////////////
void AssetAccount::commit()
{
//id as key
BinaryWriter bwKey;
bwKey.put_uint8_t(ASSET_ACCOUNT_PREFIX);
bwKey.put_BinaryData(getFullID());
//data
BinaryWriter bwData;
//parent key size
bwData.put_var_int(parent_id_.getSize());
//der scheme
auto&& derSchemeSerData = derScheme_->serialize();
bwData.put_var_int(derSchemeSerData.getSize());
bwData.put_BinaryData(derSchemeSerData);
LMDBEnv::Transaction tx(dbEnv_.get(), LMDB::ReadWrite);
//commit root asset if there is one
if (root_ != nullptr)
writeAssetEntry(root_);
//commit assets
for (auto asset : assets_)
writeAssetEntry(asset.second);
//commit serialized account data
putData(db_, bwKey.getData(), bwData.getData());
updateAssetCount();
updateHighestUsedIndex();
}
////////////////////////////////////////////////////////////////////////////////
void AssetAccount::putData(
LMDB* db, const BinaryData& key, const BinaryData& data)
{
CharacterArrayRef carKey(key.getSize(), key.getCharPtr());
CharacterArrayRef carData(data.getSize(), data.getCharPtr());
db->insert(carKey, carData);
}
////////////////////////////////////////////////////////////////////////////////
shared_ptr<AssetAccount> AssetAccount::loadFromDisk(
const BinaryData& key, shared_ptr<LMDBEnv> dbEnv, LMDB* db)
{
//sanity checks
if (dbEnv == nullptr || db == nullptr)
throw AccountException("invalid db pointers");
if (key.getSize() == 0)
throw AccountException("invalid key size");
if (key.getPtr()[0] != ASSET_ACCOUNT_PREFIX)
throw AccountException("unexpected prefix for AssetAccount key");
LMDBEnv::Transaction tx(dbEnv.get(), LMDB::ReadOnly);
CharacterArrayRef carKey(key.getSize(), key.getCharPtr());
auto carData = db->get_NoCopy(carKey);
BinaryRefReader brr((const uint8_t*)carData.data, carData.len);
//ids
auto parent_id_len = brr.get_var_int();
auto&& parent_id = key.getSliceCopy(1, parent_id_len);
auto&& account_id = key.getSliceCopy(
1 + parent_id_len, key.getSize() - 1 - parent_id_len);
//der scheme
auto len = brr.get_var_int();
auto derSchemeBDR = DBUtils::getDataRefForPacket(brr.get_BinaryDataRef(len));
auto derScheme = DerivationScheme::deserialize(derSchemeBDR);
//asset count
size_t assetCount = 0;
{
BinaryWriter bwKey_assetcount;
bwKey_assetcount.put_uint8_t(ASSET_COUNT_PREFIX);
bwKey_assetcount.put_BinaryDataRef(key.getSliceRef(
1, key.getSize() - 1));
CharacterArrayRef carKey_assetcount(
bwKey_assetcount.getSize(),
bwKey_assetcount.getData().getCharPtr());
auto&& car_assetcount = db->get_NoCopy(carKey_assetcount);
if (car_assetcount.len == 0)
throw AccountException("missing asset count entry");
BinaryDataRef bdr_assetcount(
(uint8_t*)car_assetcount.data, car_assetcount.len);
BinaryRefReader brr_assetcount(bdr_assetcount);
assetCount = brr_assetcount.get_var_int();
}
//last used index
size_t lastUsedIndex = 0;
{
BinaryWriter bwKey_lastusedindex;
bwKey_lastusedindex.put_uint8_t(ASSET_TOP_INDEX_PREFIX);
bwKey_lastusedindex.put_BinaryDataRef(key.getSliceRef(
1, key.getSize() - 1));
CharacterArrayRef carKey_lastusedindex(
bwKey_lastusedindex.getSize(),
bwKey_lastusedindex.getData().getCharPtr());
auto&& car_lastusedindex = db->get_NoCopy(carKey_lastusedindex);
if (car_lastusedindex.len == 0)
throw AccountException("missing last used entry");
BinaryDataRef bdr_lastusedindex(
(uint8_t*)car_lastusedindex.data, car_lastusedindex.len);
BinaryRefReader brr_lastusedindex(bdr_lastusedindex);
lastUsedIndex = brr_lastusedindex.get_var_int();
}
//asset entry prefix key
BinaryWriter bwAssetKey;
bwAssetKey.put_uint8_t(ASSETENTRY_PREFIX);
bwAssetKey.put_BinaryDataRef(key.getSliceRef(1, key.getSize() - 1));
//asset key
BinaryWriter bwRootkey;
bwRootkey.put_BinaryData(bwAssetKey.getData());
bwRootkey.put_uint32_t(ROOT_ASSETENTRY_ID); //root entry int id
CharacterArrayRef carRootKey(
bwRootkey.getSize(), bwRootkey.getData().getCharPtr());
shared_ptr<AssetEntry> rootEntry = nullptr;
map<unsigned, shared_ptr<AssetEntry>> assetMap;
//get all assets
{
auto& assetDbKey = bwAssetKey.getData();
CharacterArrayRef carAssetKey(
assetDbKey.getSize(), assetDbKey.getCharPtr());
auto dbIter = db->begin();
dbIter.seek(carAssetKey, LMDB::Iterator::Seek_GE);
while (dbIter.isValid())
{
BinaryDataRef key_bdr(
(const uint8_t*)dbIter.key().mv_data, dbIter.key().mv_size);
BinaryDataRef value_bdr(
(const uint8_t*)dbIter.value().mv_data, dbIter.value().mv_size);
//check key isnt prefix
if (key_bdr == assetDbKey)
continue;
//check key starts with prefix
if (!key_bdr.startsWith(assetDbKey))
break;
//instantiate and insert asset
auto assetPtr = AssetEntry::deserialize(
key_bdr,
DBUtils::getDataRefForPacket(value_bdr));
if (assetPtr->getIndex() != ROOT_ASSETENTRY_ID)
assetMap.insert(make_pair(assetPtr->getIndex(), assetPtr));
else
rootEntry = assetPtr;
++dbIter;
}
}
//sanity check
if (assetCount != assetMap.size())
throw AccountException("unexpected account asset count");
//instantiate object
shared_ptr<AssetAccount> accountPtr = make_shared<AssetAccount>(
account_id, parent_id,
rootEntry, derScheme,
dbEnv, db);
//fill members not covered by the ctor
accountPtr->lastUsedIndex_ = lastUsedIndex;
accountPtr->assets_ = move(assetMap);
return accountPtr;
}
////////////////////////////////////////////////////////////////////////////////
int AssetAccount::getLastComputedIndex(void) const
{
if (getAssetCount() == 0)
return -1;
auto iter = assets_.rbegin();
return iter->first;
}
////////////////////////////////////////////////////////////////////////////////
void AssetAccount::extendPublicChain(unsigned count)
{
ReentrantLock lock(this);
//add *count* entries to address chain
if (assets_.size() == 0)
throw AccountException("empty asset map");
if (count == 0)
return;
extendPublicChain(assets_.rbegin()->second, count);
}
////////////////////////////////////////////////////////////////////////////////
void AssetAccount::extendPublicChainToIndex(unsigned count)
{
ReentrantLock lock(this);
//make address chain at least *count* long
auto lastComputedIndex = max(getLastComputedIndex(), 0);
if (lastComputedIndex > count)
return;
auto toCompute = count - lastComputedIndex;
extendPublicChain(toCompute);
}
////////////////////////////////////////////////////////////////////////////////
void AssetAccount::extendPublicChain(
shared_ptr<AssetEntry> assetPtr, unsigned count)
{
if (count == 0)
return;
ReentrantLock lock(this);
auto&& assetVec = extendPublicChain(assetPtr,
assetPtr->getIndex() + 1,
assetPtr->getIndex() + 1 + count);
LMDBEnv::Transaction tx(dbEnv_.get(), LMDB::ReadWrite);
{
for (auto& asset : assetVec)
{
auto id = asset->getIndex();
auto iter = assets_.find(id);
if (iter != assets_.end())
continue;
assets_.insert(make_pair(
id, asset));
}
}
updateOnDiskAssets();
updateHashMap_ = true;
}
////////////////////////////////////////////////////////////////////////////////
vector<shared_ptr<AssetEntry>> AssetAccount::extendPublicChain(
shared_ptr<AssetEntry> assetPtr,
unsigned start, unsigned end)
{
vector<shared_ptr<AssetEntry>> result;
switch (derScheme_->getType())
{
case DerSchemeType_ArmoryLegacy:
{
//Armory legacy derivation operates from the last valid asset
result = move(derScheme_->extendPublicChain(assetPtr, start, end));
break;
}
case DerSchemeType_BIP32:
{
//BIP32 operates from the node's root asset
result = move(derScheme_->extendPublicChain(root_, start, end));
break;
}
default:
throw AccountException("unexpected derscheme type");
}
return result;
}
////////////////////////////////////////////////////////////////////////////////
void AssetAccount::extendPrivateChain(
shared_ptr<DecryptedDataContainer> ddc,
unsigned count)
{
ReentrantLock lock(this);
auto topAsset = getLastAssetWithPrivateKey();
extendPrivateChain(ddc, topAsset, count);
}
////////////////////////////////////////////////////////////////////////////////
void AssetAccount::extendPrivateChainToIndex(
shared_ptr<DecryptedDataContainer> ddc,
unsigned id)
{
ReentrantLock lock(this);
auto topAsset = getLastAssetWithPrivateKey();
auto topIndex = topAsset->getIndex();
if (id > topIndex)
{
auto count = id - topAsset->getIndex();
extendPrivateChain(ddc, topAsset, count);
}
}
////////////////////////////////////////////////////////////////////////////////
void AssetAccount::extendPrivateChain(
shared_ptr<DecryptedDataContainer> ddc,
shared_ptr<AssetEntry> assetPtr, unsigned count)
{
if (count == 0)
return;
ReentrantLock lock(this);
auto privAsset = getLastAssetWithPrivateKey();
auto lastIndex = getLastComputedIndex();
auto&& assetVec = extendPrivateChain(ddc, assetPtr,
assetPtr->getIndex() + 1, assetPtr->getIndex() + 1 + count);
LMDBEnv::Transaction tx(dbEnv_.get(), LMDB::ReadWrite);
{
for (auto& asset : assetVec)
{
auto id = asset->getIndex();
auto iter = assets_.find(id);
if (iter != assets_.end())
{
//do not overwrite an existing asset that already has a privkey
if (iter->second->hasPrivateKey())
{
continue;
}
else
{
iter->second = asset;
continue;
}
}
assets_.insert(make_pair(
id, asset));
}
}
updateOnDiskAssets();
if (privAsset->getIndex() + count > lastIndex)
updateHashMap_ = true;
}
////////////////////////////////////////////////////////////////////////////////
vector<shared_ptr<AssetEntry>> AssetAccount::extendPrivateChain(
shared_ptr<DecryptedDataContainer> ddc,
shared_ptr<AssetEntry> assetPtr,
unsigned start, unsigned end)
{
vector<shared_ptr<AssetEntry>> result;
switch (derScheme_->getType())
{
case DerSchemeType_ArmoryLegacy:
{
//Armory legacy derivation operates from the last valid asset
result = move(derScheme_->extendPrivateChain(ddc, assetPtr, start, end));
break;
}
case DerSchemeType_BIP32:
{
//BIP32 operates from the node's root asset
result = move(derScheme_->extendPrivateChain(ddc, root_, start, end));
break;
}
default:
throw AccountException("unexpected derscheme type");
}
return result;
}
////////////////////////////////////////////////////////////////////////////////
shared_ptr<AssetEntry> AssetAccount::getLastAssetWithPrivateKey() const
{
ReentrantLock lock(this);
auto assetIter = assets_.rbegin();
while (assetIter != assets_.rend())
{
if (assetIter->second->hasPrivateKey())
return assetIter->second;
++assetIter;
}
throw runtime_error("no asset with private keys");
return nullptr;
}
////////////////////////////////////////////////////////////////////////////////
void AssetAccount::updateHighestUsedIndex()
{
ReentrantLock lock(this);
LMDBEnv::Transaction tx(dbEnv_.get(), LMDB::ReadWrite);
BinaryWriter bwKey;
bwKey.put_uint8_t(ASSET_TOP_INDEX_PREFIX);
bwKey.put_BinaryData(getFullID());
BinaryWriter bwData;
bwData.put_var_int(lastUsedIndex_);
putData(db_, bwKey.getData(), bwData.getData());
}
////////////////////////////////////////////////////////////////////////////////
unsigned AssetAccount::getAndBumpHighestUsedIndex()
{
ReentrantLock lock(this);
auto index = lastUsedIndex_++;
updateHighestUsedIndex();
return index;
}
////////////////////////////////////////////////////////////////////////////////
shared_ptr<AssetEntry> AssetAccount::getNewAsset()
{
ReentrantLock lock(this);
auto index = getAndBumpHighestUsedIndex();
auto entryIter = assets_.find(index);
if (entryIter == assets_.end())
{
extendPublicChain(DERIVATION_LOOKUP);
entryIter = assets_.find(index);
if (entryIter == assets_.end())
throw AccountException("requested index overflows max lookup");
}
return entryIter->second;
}
////////////////////////////////////////////////////////////////////////////////
shared_ptr<AddressEntry> AssetAccount::getNewAddress(AddressEntryType aeType)
{
auto asset = getNewAsset();
return AddressEntry::instantiate(asset, aeType);
}
////////////////////////////////////////////////////////////////////////////////
shared_ptr<AssetEntry> AssetAccount::getAssetForID(const BinaryData& ID) const
{
if (ID.getSize() < 4)
throw runtime_error("invalid asset ID");
auto id_int = READ_UINT32_BE(ID.getPtr());
return getAssetForIndex(id_int);
}
////////////////////////////////////////////////////////////////////////////////
shared_ptr<AssetEntry> AssetAccount::getAssetForIndex(unsigned id) const
{
auto iter = assets_.find(id);
if (iter == assets_.end())
throw AccountException("unknown asset index");
return iter->second;
}
////////////////////////////////////////////////////////////////////////////////
void AssetAccount::updateAddressHashMap(
const set<AddressEntryType>& typeSet)
{
if (updateHashMap_ = false)
return;
ReentrantLock lock(this);
for (auto asset : assets_)
{
auto asset_iter = addrHashMap_.find(asset.second->getID());
if (asset_iter == addrHashMap_.end())
{
asset_iter =
addrHashMap_.insert(make_pair(
asset.second->getID(),
map<AddressEntryType, BinaryData>())).first;
}
for (auto ae_type : typeSet)
{
if (asset_iter->second.find(ae_type) != asset_iter->second.end())
continue;
auto addrPtr = AddressEntry::instantiate(asset.second, ae_type);
auto& addrHash = addrPtr->getPrefixedHash();
addrHashMap_[asset.second->getID()].insert(
make_pair(ae_type, addrHash));
}
}
updateHashMap_ = false;
}
////////////////////////////////////////////////////////////////////////////////
const map<BinaryData, map<AddressEntryType, BinaryData>>&
AssetAccount::getAddressHashMap(const set<AddressEntryType>& typeSet)
{
updateAddressHashMap(typeSet);
return addrHashMap_;
}
////////////////////////////////////////////////////////////////////////////////
const SecureBinaryData& AssetAccount::getChaincode() const
{
if (derScheme_ == nullptr)
throw AccountException("null derivation scheme");
return derScheme_->getChaincode();
}
////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
//// AddressAccount
////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
void AddressAccount::make_new(
shared_ptr<AccountType> accType,
shared_ptr<DecryptedDataContainer> decrData,
unique_ptr<Cypher> cypher)
{
reset();
switch (accType->type())
{
case AccountTypeEnum_ArmoryLegacy:
{
ID_ = accType->getAccountID();
auto asset_account_id = accType->getOuterAccountID();
//chaincode has to be a copy cause the derscheme ctor moves it in
auto chaincode = accType->getChaincode();
auto derScheme = make_shared<DerivationScheme_ArmoryLegacy>(
chaincode);
//first derived asset
auto&& full_account_id = ID_ + asset_account_id;
shared_ptr<AssetEntry_Single> firstAsset;
if (accType->isWatchingOnly())
{
//WO
auto& root = accType->getPublicRoot();
firstAsset = derScheme->computeNextPublicEntry(
root,
full_account_id, 0);
}
else
{
//full wallet
ReentrantLock lock(decrData.get());
auto& root = accType->getPrivateRoot();
firstAsset = derScheme->computeNextPrivateEntry(
decrData,
root, move(cypher),
full_account_id, 0);
}
//instantiate account and set first entry
auto asset_account = make_shared<AssetAccount>(
asset_account_id, ID_,
nullptr, derScheme, //no root asset for legacy derivation scheme, using first entry instead
dbEnv_, db_);
asset_account->assets_.insert(make_pair(0, firstAsset));
//add the asset account
addAccount(asset_account);
break;
}
case AccountTypeEnum_BIP32_Legacy:
case AccountTypeEnum_BIP32_SegWit:
{
ID_ = accType->getAccountID();
//asset account lambda
auto createNewAccount = [&accType, &decrData, this](
unsigned node_id,
unique_ptr<Cypher> cypher_copy)->shared_ptr<AssetAccount>
{
auto&& account_id = WRITE_UINT32_BE(node_id);
auto&& full_account_id = ID_ + account_id;
shared_ptr<AssetEntry_Single> rootAsset;
SecureBinaryData chaincode;
if (accType->isWatchingOnly())
{
//WO
auto& root = accType->getPublicRoot();
//derive to final node
auto&& derived_pair = CryptoECDSA::bip32_derive_public_key(
root, accType->getChaincode(), node_id);
chaincode = move(derived_pair.second);
rootAsset = make_shared<AssetEntry_Single>(
-1, full_account_id,
derived_pair.first, nullptr);
}
else
{
//full wallet
auto& root = accType->getPrivateRoot();
//derive to final node
auto&& derived_pair =
CryptoECDSA::bip32_derive_private_key(
root, accType->getChaincode(), node_id);
chaincode = move(derived_pair.second);
//compute pubkey
auto&& pubkey = CryptoECDSA().ComputePublicKey(derived_pair.first);
//encrypt private root
auto&& encrypted_root =
decrData->encryptData(cypher_copy.get(), derived_pair.first);
//create assets
auto priv_asset = make_shared<Asset_PrivateKey>(
-1, encrypted_root, move(cypher_copy));
rootAsset = make_shared<AssetEntry_Single>(
-1, full_account_id,
pubkey,
priv_asset);
}
//der scheme
if (chaincode.getSize() == 0)
throw AccountException("invalid chaincode");
auto derScheme = make_shared<DerivationScheme_BIP32>(
chaincode);
//instantiate account
auto asset_account = make_shared<AssetAccount>(
account_id, ID_,
rootAsset, derScheme,
dbEnv_, db_);
return asset_account;
};
auto accType_bip32 = dynamic_pointer_cast<AccountType_BIP32>(accType);
if (accType_bip32 == nullptr)
throw AccountException("unexpected bip32 account type ptr");
auto&& nodes = accType_bip32->getNodes();
for (auto& node : nodes)
{
auto account_obj = createNewAccount(
node,
move(cypher->getCopy()));
addAccount(account_obj);
}
break;
}
default:
throw AccountException("unknown account type");
}
//set the address types
addressTypes_ = accType->getAddressTypes();
//set default address type
defaultAddressEntryType_ = accType->getDefaultAddressEntryType();
//set inner and outer accounts
outerAccount_ = accType->getOuterAccountID();
innerAccount_ = accType->getInnerAccountID();
}
////////////////////////////////////////////////////////////////////////////////
void AddressAccount::reset()
{
outerAccount_.clear();
innerAccount_.clear();
assetAccounts_.clear();
addressTypes_.clear();
addressHashes_.clear();
ID_.clear();
}
////////////////////////////////////////////////////////////////////////////////
void AddressAccount::commit()
{
//id as key
BinaryWriter bwKey;
bwKey.put_uint8_t(ADDRESS_ACCOUNT_PREFIX);
bwKey.put_BinaryData(ID_);
//data
BinaryWriter bwData;
//outer and inner account
bwData.put_var_int(outerAccount_.getSize());
bwData.put_BinaryData(outerAccount_);
bwData.put_var_int(innerAccount_.getSize());
bwData.put_BinaryData(innerAccount_);
//address type set
bwData.put_var_int(addressTypes_.size());
for (auto& addrType : addressTypes_)
bwData.put_uint32_t(addrType);
//default address type
bwData.put_uint32_t(defaultAddressEntryType_);
//asset accounts count
bwData.put_var_int(assetAccounts_.size());
LMDBEnv::Transaction tx(dbEnv_.get(), LMDB::ReadWrite);
//asset accounts
for (auto& account : assetAccounts_)
{
auto&& assetAccountID = account.second->getFullID();
bwData.put_var_int(assetAccountID.getSize());
bwData.put_BinaryData(assetAccountID);
account.second->commit();
}
//commit address account data to disk
CharacterArrayRef carKey(bwKey.getSize(), bwKey.getData().getCharPtr());
CharacterArrayRef carData(bwData.getSize(), bwData.getData().getCharPtr());
db_->insert(carKey, carData);
}
////////////////////////////////////////////////////////////////////////////////
void AddressAccount::addAccount(shared_ptr<AssetAccount> account)
{
auto insertPair = assetAccounts_.insert(make_pair(
account->getID(), account));
if (!insertPair.second)
throw AccountException("already have this asset account");
}
////////////////////////////////////////////////////////////////////////////////
void AddressAccount::readFromDisk(const BinaryData& key)
{
//sanity checks
if (key.getSize() == 0)
throw AccountException("empty AddressAccount key");
if (key.getPtr()[0] != ADDRESS_ACCOUNT_PREFIX)
throw AccountException("unexpected key prefix for AddressAccount");
if (dbEnv_ == nullptr || db_ == nullptr)
throw AccountException("unintialized AddressAccount object");
//wipe object prior to loading from disk
reset();
//get data from disk
LMDBEnv::Transaction tx(dbEnv_.get(), LMDB::ReadOnly);
CharacterArrayRef carKey(key.getSize(), key.getCharPtr());
auto&& carData = db_->get_NoCopy(carKey);
BinaryDataRef bdr((const uint8_t*)carData.data, carData.len);
BinaryRefReader brr(bdr);
//outer and inner accounts
size_t len, count;
len = brr.get_var_int();
outerAccount_ = brr.get_BinaryData(len);
len = brr.get_var_int();
innerAccount_ = brr.get_BinaryData(len);
//address type set
count = brr.get_var_int();
for (unsigned i = 0; i < count; i++)
addressTypes_.insert(AddressEntryType(brr.get_uint32_t()));
//default address type
defaultAddressEntryType_ = AddressEntryType(brr.get_uint32_t());
//asset accounts
count = brr.get_var_int();
for (unsigned i = 0; i < count; i++)
{
len = brr.get_var_int();
BinaryWriter bw_asset_key(1 + len);
bw_asset_key.put_uint8_t(ASSET_ACCOUNT_PREFIX);
bw_asset_key.put_BinaryData(brr.get_BinaryData(len));
auto accountPtr = AssetAccount::loadFromDisk(
bw_asset_key.getData(), dbEnv_, db_);
assetAccounts_.insert(make_pair(accountPtr->id_, accountPtr));
}
ID_ = key.getSliceCopy(1, key.getSize() - 1);
}
////////////////////////////////////////////////////////////////////////////////
void AddressAccount::extendPublicChain(unsigned count)
{
for (auto& account : assetAccounts_)
account.second->extendPublicChain(count);
}
////////////////////////////////////////////////////////////////////////////////
void AddressAccount::extendPrivateChain(
shared_ptr<DecryptedDataContainer> ddc,
unsigned count)
{
for (auto& account : assetAccounts_)
account.second->extendPrivateChain(ddc, count);
}
////////////////////////////////////////////////////////////////////////////////
void AddressAccount::extendPublicChainToIndex(
const BinaryData& accountID, unsigned count)
{
auto iter = assetAccounts_.find(accountID);
if (iter == assetAccounts_.end())
throw AccountException("unknown account");
iter->second->extendPublicChainToIndex(count);
}
////////////////////////////////////////////////////////////////////////////////
void AddressAccount::extendPrivateChainToIndex(
shared_ptr<DecryptedDataContainer> ddc,
const BinaryData& accountID, unsigned count)
{
auto iter = assetAccounts_.find(accountID);
if (iter == assetAccounts_.end())
throw AccountException("unknown account");
iter->second->extendPrivateChainToIndex(ddc, count);
}
////////////////////////////////////////////////////////////////////////////////
shared_ptr<AddressEntry> AddressAccount::getNewAddress(
AddressEntryType aeType)
{
if (outerAccount_.getSize() == 0)
throw AccountException("no currently active asset account");
return getNewAddress(outerAccount_, aeType);
}
////////////////////////////////////////////////////////////////////////////////
shared_ptr<AddressEntry> AddressAccount::getNewChangeAddress(
AddressEntryType aeType)
{
if (innerAccount_.getSize() == 0)
throw AccountException("no currently active asset account");
return getNewAddress(innerAccount_, aeType);
}
////////////////////////////////////////////////////////////////////////////////
shared_ptr<AddressEntry> AddressAccount::getNewAddress(
const BinaryData& account, AddressEntryType aeType)
{
auto iter = assetAccounts_.find(account);
if (iter == assetAccounts_.end())
throw AccountException("invalid asset account");
if (aeType == AddressEntryType_Default)
aeType = defaultAddressEntryType_;
auto aeIter = addressTypes_.find(aeType);
if (aeIter == addressTypes_.end())
throw AccountException("invalid address type for this account");
return iter->second->getNewAddress(aeType);
}
////////////////////////////////////////////////////////////////////////////////
bool AddressAccount::hasAddressType(AddressEntryType aeType)
{
auto iter = addressTypes_.find(aeType);
return iter != addressTypes_.end();
}
////////////////////////////////////////////////////////////////////////////////
shared_ptr<AssetEntry> AddressAccount::getAssetForID(const BinaryData& ID) const
{
if (ID.getSize() < 4)
throw AccountException("invalid asset ID");
auto accID = ID.getSliceRef(0, 4);
auto iter = assetAccounts_.find(accID);
if (iter == assetAccounts_.end())
throw AccountException("unknown account ID");
auto assetID = ID.getSliceRef(4, ID.getSize() - 4);
return iter->second->getAssetForID(assetID);
}
////////////////////////////////////////////////////////////////////////////////
const BinaryData& AddressAccount::getAssetIDForAddr(const BinaryData& scrAddr)
{
updateAddressHashMap();