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
|
// Copyright (c) 2014, The Monero Project
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification, are
// permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this list of
// conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice, this list
// of conditions and the following disclaimer in the documentation and/or other
// materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its contributors may be
// used to endorse or promote products derived from this software without specific
// prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "blockchain_db/blockchain_db.h"
#include "cryptonote_protocol/blobdatatype.h" // for type blobdata
namespace cryptonote
{
class BlockchainBDB : public BlockchainDB
{
public:
BlockchainBDB(bool batch_transactions=false);
~BlockchainBDB();
virtual void open(const std::string& filename);
virtual void create(const std::string& filename);
virtual void close();
virtual void sync();
virtual void reset();
virtual std::vector<std::string> get_filenames() const;
virtual bool lock();
virtual void unlock();
virtual bool block_exists(const crypto::hash& h) const;
virtual block get_block(const crypto::hash& h) const;
virtual uint64_t get_block_height(const crypto::hash& h) const;
virtual block_header get_block_header(const crypto::hash& h) const;
virtual block get_block_from_height(const uint64_t& height) const;
virtual uint64_t get_block_timestamp(const uint64_t& height) const;
virtual uint64_t get_top_block_timestamp() const;
virtual size_t get_block_size(const uint64_t& height) const;
virtual difficulty_type get_block_cumulative_difficulty(const uint64_t& height) const;
virtual difficulty_type get_block_difficulty(const uint64_t& height) const;
virtual uint64_t get_block_already_generated_coins(const uint64_t& height) const;
virtual crypto::hash get_block_hash_from_height(const uint64_t& height) const;
virtual std::vector<block> get_blocks_range(const uint64_t& h1, const uint64_t& h2) const;
virtual std::vector<crypto::hash> get_hashes_range(const uint64_t& h1, const uint64_t& h2) const;
virtual crypto::hash top_block_hash() const;
virtual block get_top_block() const;
virtual uint64_t height() const;
virtual bool tx_exists(const crypto::hash& h) const;
virtual uint64_t get_tx_unlock_time(const crypto::hash& h) const;
virtual transaction get_tx(const crypto::hash& h) const;
virtual uint64_t get_tx_count() const;
virtual std::vector<transaction> get_tx_list(const std::vector<crypto::hash>& hlist) const;
virtual uint64_t get_tx_block_height(const crypto::hash& h) const;
virtual uint64_t get_random_output(const uint64_t& amount) const;
virtual uint64_t get_num_outputs(const uint64_t& amount) const;
virtual crypto::public_key get_output_key(const uint64_t& amount, const uint64_t& index) const;
virtual tx_out get_output(const crypto::hash& h, const uint64_t& index) const;
/**
* @brief get an output from its global index
*
* @param index global index of the output desired
*
* @return the output associated with the index.
* Will throw OUTPUT_DNE if not output has that global index.
* Will throw DB_ERROR if there is a non-specific LMDB error in fetching
*/
tx_out get_output(const uint64_t& index) const;
virtual tx_out_index get_output_tx_and_index_from_global(const uint64_t& index) const;
virtual tx_out_index get_output_tx_and_index(const uint64_t& amount, const uint64_t& index) const;
virtual std::vector<uint64_t> get_tx_output_indices(const crypto::hash& h) const;
virtual std::vector<uint64_t> get_tx_amount_output_indices(const crypto::hash& h) const;
virtual bool has_key_image(const crypto::key_image& img) const;
virtual uint64_t add_block( const block& blk
, const size_t& block_size
, const difficulty_type& cumulative_difficulty
, const uint64_t& coins_generated
, const std::vector<transaction>& txs
);
virtual void set_batch_transactions(bool batch_transactions);
virtual void batch_start();
virtual void batch_commit();
virtual void batch_stop();
virtual void batch_abort();
virtual void pop_block(block& blk, std::vector<transaction>& txs);
private:
virtual void add_block( const block& blk
, const size_t& block_size
, const difficulty_type& cumulative_difficulty
, const uint64_t& coins_generated
, const crypto::hash& block_hash
);
virtual void remove_block();
virtual void add_transaction_data(const crypto::hash& blk_hash, const transaction& tx, const crypto::hash& tx_hash);
virtual void remove_transaction_data(const crypto::hash& tx_hash, const transaction& tx);
virtual void add_output(const crypto::hash& tx_hash, const tx_out& tx_output, const uint64_t& local_index);
virtual void remove_output(const tx_out& tx_output);
void remove_tx_outputs(const crypto::hash& tx_hash, const transaction& tx);
void remove_output(const uint64_t& out_index, const uint64_t amount);
void remove_amount_output_index(const uint64_t amount, const uint64_t global_output_index);
virtual void add_spent_key(const crypto::key_image& k_image);
virtual void remove_spent_key(const crypto::key_image& k_image);
/**
* @brief convert a tx output to a blob for storage
*
* @param output the output to convert
*
* @return the resultant blob
*/
blobdata output_to_blob(const tx_out& output);
/**
* @brief convert a tx output blob to a tx output
*
* @param blob the blob to convert
*
* @return the resultant tx output
*/
tx_out output_from_blob(const blobdata& blob) const;
/**
* @brief get the global index of the index-th output of the given amount
*
* @param amount the output amount
* @param index the index into the set of outputs of that amount
*
* @return the global index of the desired output
*/
uint64_t get_output_global_index(const uint64_t& amount, const uint64_t& index) const;
void check_open() const;
bool m_open;
uint64_t m_height;
uint64_t m_num_outputs;
std::string m_folder;
txn_safe* m_write_txn; // may point to either a short-lived txn or a batch txn
txn_safe m_write_batch_txn; // persist batch txn outside of BlockchainBDB
bool m_batch_transactions; // support for batch transactions
bool m_batch_active; // whether batch transaction is in progress
};
} // namespace cryptonote
|
