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Merge pull request #442

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43bca0d blockchain_utilities: new blockchain_dump diagnostic tool (moneromooo-monero)
5f397e4 Add functions to iterate through blocks, txes, outputs, key images (moneromooo-monero)
0a5a5e8 db_bdb: record numbers for recno databases start at 1 (moneromooo-monero)
50dfdc0 db_bdb: DB_KEYEMPTY is also not found for non-top recon fields (moneromooo-monero)
572780e blockchain_db: use the DNE exceptions where appropriate (moneromooo-monero)
This commit is contained in:
Riccardo Spagni 2015-10-26 17:56:39 +02:00
commit db68eca0de
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GPG key ID: 55432DF31CCD4FCD
11 changed files with 843 additions and 21 deletions
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146
src/blockchain_db/berkeleydb/db_bdb.cpp
View file

@ -385,7 +385,7 @@ void BlockchainBDB::remove_tx_outputs(const crypto::hash& tx_hash, const transac
auto result = cur->get(&k, &v, DB_SET);
if (result == DB_NOTFOUND)
{
throw0(DB_ERROR("Attempting to remove a tx's outputs, but none found."));
throw0(OUTPUT_DNE("Attempting to remove a tx's outputs, but none found."));
}
else if (result)
{
@ -533,6 +533,126 @@ void BlockchainBDB::remove_spent_key(const crypto::key_image& k_image)
throw1(DB_ERROR("Error adding removal of key image to db transaction"));
}
bool BlockchainBDB::for_all_key_images(std::function<bool(const crypto::key_image&)> f) const
{
LOG_PRINT_L3("BlockchainBDB::" << __func__);
check_open();
bdb_cur cur(DB_DEFAULT_TX, m_spent_keys);
Dbt_copy<crypto::key_image> k;
Dbt_copy<char> v;
bool ret = true;
int result;
while ((result = cur->get(&k, &v, DB_NEXT)) == 0)
{
if (!f(k))
{
ret = false;
break;
}
}
if (result != DB_NOTFOUND)
ret = false;
cur.close();
return ret;
}
bool BlockchainBDB::for_all_blocks(std::function<bool(uint64_t, const crypto::hash&, const cryptonote::block&)> f) const
{
LOG_PRINT_L3("BlockchainBDB::" << __func__);
check_open();
bdb_cur cur(DB_DEFAULT_TX, m_blocks);
Dbt_copy<uint64_t> k;
Dbt_safe v;
bool ret = true;
int result;
while ((result = cur->get(&k, &v, DB_NEXT)) == 0)
{
uint64_t height = k - 1;
blobdata bd;
bd.assign(reinterpret_cast<char*>(v.get_data()), v.get_size());
block b;
if (!parse_and_validate_block_from_blob(bd, b))
throw0(DB_ERROR("Failed to parse block from blob retrieved from the db"));
crypto::hash hash;
if (!get_block_hash(b, hash))
throw0(DB_ERROR("Failed to get block hash from blob retrieved from the db"));
if (!f(height, hash, b))
{
ret = false;
break;
}
}
if (result != DB_NOTFOUND)
ret = false;
cur.close();
return ret;
}
bool BlockchainBDB::for_all_transactions(std::function<bool(const crypto::hash&, const cryptonote::transaction&)> f) const
{
LOG_PRINT_L3("BlockchainBDB::" << __func__);
check_open();
bdb_cur cur(DB_DEFAULT_TX, m_txs);
Dbt_copy<crypto::hash> k;
Dbt_safe v;
bool ret = true;
int result;
while ((result = cur->get(&k, &v, DB_NEXT)) == 0)
{
blobdata bd;
bd.assign(reinterpret_cast<char*>(v.get_data()), v.get_size());
transaction tx;
if (!parse_and_validate_tx_from_blob(bd, tx))
throw0(DB_ERROR("Failed to parse tx from blob retrieved from the db"));
if (!f(k, tx))
{
ret = false;
break;
}
}
if (result != DB_NOTFOUND)
ret = false;
cur.close();
return ret;
}
bool BlockchainBDB::for_all_outputs(std::function<bool(uint64_t amount, const crypto::hash &tx_hash, size_t tx_idx)> f) const
{
LOG_PRINT_L3("BlockchainBDB::" << __func__);
check_open();
bdb_cur cur(DB_DEFAULT_TX, m_output_amounts);
Dbt_copy<uint64_t> k;
Dbt_copy<uint32_t> v;
bool ret = true;
int result;
while ((result = cur->get(&k, &v, DB_NEXT)) == 0)
{
uint32_t global_index = v - 1;
tx_out_index toi = get_output_tx_and_index_from_global(global_index);
if (!f(k, toi.first, toi.second))
{
ret = false;
break;
}
}
if (result != DB_NOTFOUND)
ret = false;
cur.close();
return ret;
}
blobdata BlockchainBDB::output_to_blob(const tx_out& output) const
{
LOG_PRINT_L3("BlockchainBDB::" << __func__);
@ -977,7 +1097,7 @@ block BlockchainBDB::get_block_from_height(const uint64_t& height) const
auto get_result = m_blocks->get(DB_DEFAULT_TX, &key, &result, 0);
if (get_result == DB_NOTFOUND)
{
throw0(DB_ERROR(std::string("Attempt to get block from height ").append(boost::lexical_cast<std::string>(height)).append(" failed -- block not in db").c_str()));
throw0(BLOCK_DNE(std::string("Attempt to get block from height ").append(boost::lexical_cast<std::string>(height)).append(" failed -- block not in db").c_str()));
}
else if (get_result)
throw0(DB_ERROR("Error attempting to retrieve a block from the db"));
@ -1002,7 +1122,7 @@ uint64_t BlockchainBDB::get_block_timestamp(const uint64_t& height) const
auto get_result = m_block_timestamps->get(DB_DEFAULT_TX, &key, &result, 0);
if (get_result == DB_NOTFOUND)
{
throw0(DB_ERROR(std::string("Attempt to get timestamp from height ").append(boost::lexical_cast<std::string>(height)).append(" failed -- timestamp not in db").c_str()));
throw0(BLOCK_DNE(std::string("Attempt to get timestamp from height ").append(boost::lexical_cast<std::string>(height)).append(" failed -- timestamp not in db").c_str()));
}
else if (get_result)
throw0(DB_ERROR("Error attempting to retrieve a timestamp from the db"));
@ -1034,7 +1154,7 @@ size_t BlockchainBDB::get_block_size(const uint64_t& height) const
auto get_result = m_block_sizes->get(DB_DEFAULT_TX, &key, &result, 0);
if (get_result == DB_NOTFOUND)
{
throw0(DB_ERROR(std::string("Attempt to get block size from height ").append(boost::lexical_cast<std::string>(height)).append(" failed -- block size not in db").c_str()));
throw0(BLOCK_DNE(std::string("Attempt to get block size from height ").append(boost::lexical_cast<std::string>(height)).append(" failed -- block size not in db").c_str()));
}
else if (get_result)
throw0(DB_ERROR("Error attempting to retrieve a block size from the db"));
@ -1052,7 +1172,7 @@ difficulty_type BlockchainBDB::get_block_cumulative_difficulty(const uint64_t& h
auto get_result = m_block_diffs->get(DB_DEFAULT_TX, &key, &result, 0);
if (get_result == DB_NOTFOUND)
{
throw0(DB_ERROR(std::string("Attempt to get cumulative difficulty from height ").append(boost::lexical_cast<std::string>(height)).append(" failed -- difficulty not in db").c_str()));
throw0(BLOCK_DNE(std::string("Attempt to get cumulative difficulty from height ").append(boost::lexical_cast<std::string>(height)).append(" failed -- difficulty not in db").c_str()));
}
else if (get_result)
throw0(DB_ERROR("Error attempting to retrieve a cumulative difficulty from the db"));
@ -1087,7 +1207,7 @@ uint64_t BlockchainBDB::get_block_already_generated_coins(const uint64_t& height
auto get_result = m_block_coins->get(DB_DEFAULT_TX, &key, &result, 0);
if (get_result == DB_NOTFOUND)
{
throw0(DB_ERROR(std::string("Attempt to get generated coins from height ").append(boost::lexical_cast<std::string>(height)).append(" failed -- block size not in db").c_str()));
throw0(BLOCK_DNE(std::string("Attempt to get generated coins from height ").append(boost::lexical_cast<std::string>(height)).append(" failed -- block size not in db").c_str()));
}
else if (get_result)
throw0(DB_ERROR("Error attempting to retrieve a total generated coins from the db"));
@ -1315,11 +1435,11 @@ output_data_t BlockchainBDB::get_output_key(const uint64_t& global_index) const
LOG_PRINT_L3("BlockchainBDB::" << __func__);
check_open();
Dbt_copy<uint32_t> k(global_index);
Dbt_copy<uint32_t> k(global_index + 1);
Dbt_copy<output_data_t> v;
auto get_result = m_output_keys->get(DB_DEFAULT_TX, &k, &v, 0);
if (get_result == DB_NOTFOUND)
throw0(DB_ERROR("Attempting to get output pubkey by global index, but key does not exist"));
throw1(OUTPUT_DNE("Attempting to get output pubkey by global index, but key does not exist"));
else if (get_result)
throw0(DB_ERROR("Error attempting to retrieve an output pubkey from the db"));
@ -1467,7 +1587,7 @@ tx_out_index BlockchainBDB::get_output_tx_and_index_from_global(const uint64_t&
LOG_PRINT_L3("BlockchainBDB::" << __func__);
check_open();
Dbt_copy<uint32_t> k(index);
Dbt_copy<uint32_t> k(index + 1);
Dbt_copy<crypto::hash > v;
auto get_result = m_output_txs->get(DB_DEFAULT_TX, &k, &v, 0);
@ -1826,7 +1946,7 @@ void BlockchainBDB::get_output_key(const uint64_t &amount, const std::vector<uin
{
for (const uint64_t &index : global_indices)
{
Dbt_copy<uint32_t> k(index);
Dbt_copy<uint32_t> k(index + 1);
Dbt_copy<output_data_t> v;
auto get_result = m_output_keys->get(DB_DEFAULT_TX, &k, &v, 0);
@ -1880,7 +2000,7 @@ uint64_t BlockchainBDB::get_hard_fork_starting_height(uint8_t version) const
Dbt_copy<uint64_t> result;
auto get_result = m_hf_starting_heights->get(DB_DEFAULT_TX, &key, &result, 0);
if (get_result == DB_NOTFOUND)
if (get_result == DB_NOTFOUND || get_result == DB_KEYEMPTY)
return std::numeric_limits<uint64_t>::max();
else if (get_result)
throw0(DB_ERROR("Error attempting to retrieve hard fork starting height from the db"));
@ -1908,7 +2028,9 @@ uint8_t BlockchainBDB::get_hard_fork_version(uint64_t height) const
Dbt_copy<uint8_t> result;
auto get_result = m_hf_versions->get(DB_DEFAULT_TX, &key, &result, 0);
if (get_result == DB_NOTFOUND || get_result)
if (get_result == DB_NOTFOUND || get_result == DB_KEYEMPTY)
throw0(OUTPUT_DNE("Error attempting to retrieve hard fork version from the db"));
else if (get_result)
throw0(DB_ERROR("Error attempting to retrieve hard fork version from the db"));
return result;

5
src/blockchain_db/berkeleydb/db_bdb.h
View file

@ -375,6 +375,11 @@ private:
void get_output_global_indices(const uint64_t& amount, const std::vector<uint64_t> &offsets, std::vector<uint64_t> &global_indices);
virtual bool for_all_key_images(std::function<bool(const crypto::key_image&)>) const;
virtual bool for_all_blocks(std::function<bool(uint64_t, const crypto::hash&, const cryptonote::block&)>) const;
virtual bool for_all_transactions(std::function<bool(const crypto::hash&, const cryptonote::transaction&)>) const;
virtual bool for_all_outputs(std::function<bool(uint64_t amount, const crypto::hash &tx_hash, size_t tx_idx)> f) const;
// Hard fork related storage
virtual void set_hard_fork_starting_height(uint8_t version, uint64_t height);
virtual uint64_t get_hard_fork_starting_height(uint8_t version) const;

5
src/blockchain_db/blockchain_db.h
View file

@ -493,6 +493,11 @@ public:
// returns true if key image <img> is present in spent key images storage
virtual bool has_key_image(const crypto::key_image& img) const = 0;
virtual bool for_all_key_images(std::function<bool(const crypto::key_image&)>) const = 0;
virtual bool for_all_blocks(std::function<bool(uint64_t, const crypto::hash&, const cryptonote::block&)>) const = 0;
virtual bool for_all_transactions(std::function<bool(const crypto::hash&, const cryptonote::transaction&)>) const = 0;
virtual bool for_all_outputs(std::function<bool(uint64_t amount, const crypto::hash &tx_hash, size_t tx_idx)> f) const = 0;
// Hard fork related storage
virtual void set_hard_fork_starting_height(uint8_t version, uint64_t height) = 0;
virtual uint64_t get_hard_fork_starting_height(uint8_t version) const = 0;

177
src/blockchain_db/lmdb/db_lmdb.cpp
View file

@ -747,7 +747,7 @@ void BlockchainLMDB::remove_output(const uint64_t& out_index, const uint64_t amo
auto result = mdb_del(*m_write_txn, m_output_gindices, &k, NULL);
if (result != 0 && result != MDB_NOTFOUND)
throw1(DB_ERROR("Error adding removal of output global index to db transaction"));
throw1(OUTPUT_DNE("Error adding removal of output global index to db transaction"));
result = mdb_del(*m_write_txn, m_outputs, &v, NULL);
if (result != 0 && result != MDB_NOTFOUND)
@ -1242,7 +1242,7 @@ block BlockchainLMDB::get_block_from_height(const uint64_t& height) const
auto get_result = mdb_get(txn, m_blocks, &key, &result);
if (get_result == MDB_NOTFOUND)
{
throw0(DB_ERROR(std::string("Attempt to get block from height ").append(boost::lexical_cast<std::string>(height)).append(" failed -- block not in db").c_str()));
throw0(BLOCK_DNE(std::string("Attempt to get block from height ").append(boost::lexical_cast<std::string>(height)).append(" failed -- block not in db").c_str()));
}
else if (get_result)
throw0(DB_ERROR("Error attempting to retrieve a block from the db"));
@ -1278,7 +1278,7 @@ uint64_t BlockchainLMDB::get_block_timestamp(const uint64_t& height) const
auto get_result = mdb_get(*txn_ptr, m_block_timestamps, &key, &result);
if (get_result == MDB_NOTFOUND)
{
throw0(DB_ERROR(std::string("Attempt to get timestamp from height ").append(boost::lexical_cast<std::string>(height)).append(" failed -- timestamp not in db").c_str()));
throw0(BLOCK_DNE(std::string("Attempt to get timestamp from height ").append(boost::lexical_cast<std::string>(height)).append(" failed -- timestamp not in db").c_str()));
}
else if (get_result)
throw0(DB_ERROR("Error attempting to retrieve a timestamp from the db"));
@ -1322,7 +1322,7 @@ size_t BlockchainLMDB::get_block_size(const uint64_t& height) const
auto get_result = mdb_get(*txn_ptr, m_block_sizes, &key, &result);
if (get_result == MDB_NOTFOUND)
{
throw0(DB_ERROR(std::string("Attempt to get block size from height ").append(boost::lexical_cast<std::string>(height)).append(" failed -- block size not in db").c_str()));
throw0(BLOCK_DNE(std::string("Attempt to get block size from height ").append(boost::lexical_cast<std::string>(height)).append(" failed -- block size not in db").c_str()));
}
else if (get_result)
throw0(DB_ERROR("Error attempting to retrieve a block size from the db"));
@ -1351,7 +1351,7 @@ difficulty_type BlockchainLMDB::get_block_cumulative_difficulty(const uint64_t&
auto get_result = mdb_get(*txn_ptr, m_block_diffs, &key, &result);
if (get_result == MDB_NOTFOUND)
{
throw0(DB_ERROR(std::string("Attempt to get cumulative difficulty from height ").append(boost::lexical_cast<std::string>(height)).append(" failed -- difficulty not in db").c_str()));
throw0(BLOCK_DNE(std::string("Attempt to get cumulative difficulty from height ").append(boost::lexical_cast<std::string>(height)).append(" failed -- difficulty not in db").c_str()));
}
else if (get_result)
throw0(DB_ERROR("Error attempting to retrieve a cumulative difficulty from the db"));
@ -1398,7 +1398,7 @@ uint64_t BlockchainLMDB::get_block_already_generated_coins(const uint64_t& heigh
auto get_result = mdb_get(*txn_ptr, m_block_coins, &key, &result);
if (get_result == MDB_NOTFOUND)
{
throw0(DB_ERROR(std::string("Attempt to get generated coins from height ").append(boost::lexical_cast<std::string>(height)).append(" failed -- block size not in db").c_str()));
throw0(BLOCK_DNE(std::string("Attempt to get generated coins from height ").append(boost::lexical_cast<std::string>(height)).append(" failed -- block size not in db").c_str()));
}
else if (get_result)
throw0(DB_ERROR("Error attempting to retrieve a total generated coins from the db"));
@ -1696,7 +1696,7 @@ output_data_t BlockchainLMDB::get_output_key(const uint64_t &global_index) const
MDB_val v;
auto get_result = mdb_get(txn, m_output_keys, &k, &v);
if (get_result == MDB_NOTFOUND)
throw0(DB_ERROR("Attempting to get output pubkey by global index, but key does not exist"));
throw1(OUTPUT_DNE("Attempting to get output pubkey by global index, but key does not exist"));
else if (get_result)
throw0(DB_ERROR("Error attempting to retrieve an output pubkey from the db"));
txn.commit();
@ -1968,6 +1968,165 @@ bool BlockchainLMDB::has_key_image(const crypto::key_image& img) const
return false;
}
bool BlockchainLMDB::for_all_key_images(std::function<bool(const crypto::key_image&)> f) const
{
LOG_PRINT_L3("BlockchainLMDB::" << __func__);
check_open();
mdb_txn_safe txn;
if (mdb_txn_begin(m_env, NULL, MDB_RDONLY, txn))
throw0(DB_ERROR("Failed to create a transaction for the db"));
MDB_val k;
MDB_val v;
bool ret = true;
lmdb_cur cur(txn, m_spent_keys);
MDB_cursor_op op = MDB_FIRST;
while (1)
{
int ret = mdb_cursor_get(cur, &k, &v, op);
op = MDB_NEXT;
if (ret == MDB_NOTFOUND)
break;
if (ret < 0)
throw0(DB_ERROR("Failed to enumerate key images"));
const crypto::key_image k_image = *(crypto::key_image*)k.mv_data;
if (!f(k_image)) {
ret = false;
break;
}
}
cur.close();
txn.commit();
return ret;
}
bool BlockchainLMDB::for_all_blocks(std::function<bool(uint64_t, const crypto::hash&, const cryptonote::block&)> f) const
{
LOG_PRINT_L3("BlockchainLMDB::" << __func__);
check_open();
mdb_txn_safe txn;
if (mdb_txn_begin(m_env, NULL, MDB_RDONLY, txn))
throw0(DB_ERROR("Failed to create a transaction for the db"));
MDB_val k;
MDB_val v;
bool ret = true;
lmdb_cur cur(txn, m_blocks);
MDB_cursor_op op = MDB_FIRST;
while (1)
{
int ret = mdb_cursor_get(cur, &k, &v, op);
op = MDB_NEXT;
if (ret == MDB_NOTFOUND)
break;
if (ret)
throw0(DB_ERROR("Failed to enumerate blocks"));
uint64_t height = *(uint64_t*)k.mv_data;
blobdata bd;
bd.assign(reinterpret_cast<char*>(v.mv_data), v.mv_size);
block b;
if (!parse_and_validate_block_from_blob(bd, b))
throw0(DB_ERROR("Failed to parse block from blob retrieved from the db"));
crypto::hash hash;
if (!get_block_hash(b, hash))
throw0(DB_ERROR("Failed to get block hash from blob retrieved from the db"));
if (!f(height, hash, b)) {
ret = false;
break;
}
}
cur.close();
txn.commit();
return ret;
}
bool BlockchainLMDB::for_all_transactions(std::function<bool(const crypto::hash&, const cryptonote::transaction&)> f) const
{
LOG_PRINT_L3("BlockchainLMDB::" << __func__);
check_open();
mdb_txn_safe txn;
if (mdb_txn_begin(m_env, NULL, MDB_RDONLY, txn))
throw0(DB_ERROR("Failed to create a transaction for the db"));
MDB_val k;
MDB_val v;
bool ret = true;
lmdb_cur cur(txn, m_txs);
MDB_cursor_op op = MDB_FIRST;
while (1)
{
int ret = mdb_cursor_get(cur, &k, &v, op);
op = MDB_NEXT;
if (ret == MDB_NOTFOUND)
break;
if (ret)
throw0(DB_ERROR("Failed to enumerate transactions"));
const crypto::hash hash = *(crypto::hash*)k.mv_data;
blobdata bd;
bd.assign(reinterpret_cast<char*>(v.mv_data), v.mv_size);
transaction tx;
if (!parse_and_validate_tx_from_blob(bd, tx))
throw0(DB_ERROR("Failed to parse tx from blob retrieved from the db"));
if (!f(hash, tx)) {
ret = false;
break;
}
}
cur.close();
txn.commit();
return ret;
}
bool BlockchainLMDB::for_all_outputs(std::function<bool(uint64_t amount, const crypto::hash &tx_hash, size_t tx_idx)> f) const
{
LOG_PRINT_L3("BlockchainLMDB::" << __func__);
check_open();
mdb_txn_safe txn;
if (mdb_txn_begin(m_env, NULL, MDB_RDONLY, txn))
throw0(DB_ERROR("Failed to create a transaction for the db"));
MDB_val k;
MDB_val v;
bool ret = true;
lmdb_cur cur(txn, m_output_amounts);
MDB_cursor_op op = MDB_FIRST;
while (1)
{
int ret = mdb_cursor_get(cur, &k, &v, op);
op = MDB_NEXT;
if (ret == MDB_NOTFOUND)
break;
if (ret)
throw0(DB_ERROR("Failed to enumerate outputs"));
uint64_t amount = *(uint64_t*)k.mv_data;
uint64_t global_index = *(uint64_t*)v.mv_data;
tx_out_index toi = get_output_tx_and_index_from_global(global_index);
if (!f(amount, toi.first, toi.second)) {
ret = false;
break;
}
}
cur.close();
txn.commit();
return ret;
}
// batch_num_blocks: (optional) Used to check if resize needed before batch transaction starts.
void BlockchainLMDB::batch_start(uint64_t batch_num_blocks)
{
@ -2329,8 +2488,8 @@ void BlockchainLMDB::get_output_key(const uint64_t &amount, const std::vector<ui
MDB_val v;
auto get_result = mdb_get(*txn_ptr, m_output_keys, &k, &v);
if (get_result != 0)
throw0(DB_ERROR("Attempting to get output pubkey by global index, but key does not exist"));
if (get_result == MDB_NOTFOUND)
throw1(OUTPUT_DNE("Attempting to get output pubkey by global index, but key does not exist"));
else if (get_result)
throw0(DB_ERROR("Error attempting to retrieve an output pubkey from the db"));

5
src/blockchain_db/lmdb/db_lmdb.h
View file

@ -189,6 +189,11 @@ public:
virtual bool has_key_image(const crypto::key_image& img) const;
virtual bool for_all_key_images(std::function<bool(const crypto::key_image&)>) const;
virtual bool for_all_blocks(std::function<bool(uint64_t, const crypto::hash&, const cryptonote::block&)>) const;
virtual bool for_all_transactions(std::function<bool(const crypto::hash&, const cryptonote::transaction&)>) const;
virtual bool for_all_outputs(std::function<bool(uint64_t amount, const crypto::hash &tx_hash, size_t tx_idx)> f) const;
virtual uint64_t add_block( const block& blk
, const size_t& block_size
, const difficulty_type& cumulative_difficulty

27
src/blockchain_utilities/CMakeLists.txt
View file

@ -67,6 +67,15 @@ bitmonero_private_headers(blockchain_export
${blockchain_export_private_headers})
set(blockchain_dump_sources
blockchain_dump.cpp
)
set(blockchain_dump_private_headers)
bitmonero_private_headers(blockchain_dump
${blockchain_dump_private_headers})
if (BLOCKCHAIN_DB STREQUAL DB_LMDB)
bitmonero_add_executable(blockchain_converter
@ -120,3 +129,21 @@ add_dependencies(blockchain_export
set_property(TARGET blockchain_export
PROPERTY
OUTPUT_NAME "blockchain_export")
bitmonero_add_executable(blockchain_dump
${blockchain_dump_sources}
${blockchain_dump_private_headers})
target_link_libraries(blockchain_dump
LINK_PRIVATE
cryptonote_core
blockchain_db
p2p
${CMAKE_THREAD_LIBS_INIT})
add_dependencies(blockchain_dump
version)
set_property(TARGET blockchain_dump
PROPERTY
OUTPUT_NAME "blockchain_dump")

431
src/blockchain_utilities/blockchain_dump.cpp Normal file
View file

@ -0,0 +1,431 @@
// Copyright (c) 2014-2015, 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 "cryptonote_core/cryptonote_basic.h"
#include "cryptonote_core/blockchain_storage.h"
#include "cryptonote_core/blockchain.h"
#include "blockchain_db/blockchain_db.h"
#include "blockchain_db/lmdb/db_lmdb.h"
#include "blockchain_db/berkeleydb/db_bdb.h"
#include "blockchain_utilities.h"
#include "common/command_line.h"
#include "version.h"
unsigned int epee::g_test_dbg_lock_sleep = 0;
namespace po = boost::program_options;
using namespace epee; // log_space
using namespace cryptonote;
struct DumpContext {
std::ofstream &f;
size_t level;
std::vector<std::string> close;
DumpContext(std::ofstream &f): f(f), level(0) {}
};
template<typename S> static void start_compound(DumpContext &d, S key, bool array, bool print = false)
{
if (print)
LOG_PRINT_L0("Dumping " << key << "...");
d.f << std::string(d.level*2, ' ');
d.f << "\"" << key << "\": " << (array ? "[" : "{") << " \n";
d.close.push_back(array ? "]" : "}");
d.level++;
}
template<typename S> static void start_array(DumpContext &d, S key, bool print = false) { start_compound(d, key, true, print); }
template<typename S> static void start_struct(DumpContext &d, S key, bool print = false) { start_compound(d, key, false, print); }
static void end_compound(DumpContext &d)
{
d.level--;
d.f << std::string(d.level*2, ' ');
d.f << d.close.back() << ",\n";
d.close.pop_back();
}
template<typename S, typename T> static void write_pod(DumpContext &d, S key, const T &t)
{
d.f << std::string(d.level*2, ' ');
d.f << "\"" << key << "\": ";
d.f << t;
d.f << ",\n";
}
template<typename T> static void write_pod(DumpContext &d, const T &t)
{
d.f << std::string(d.level*2, ' ');
d.f << t;
d.f << ",\n";
}
int main(int argc, char* argv[])
{
uint32_t log_level = 0;
uint64_t block_stop = 0;
boost::filesystem::path default_data_path {tools::get_default_data_dir()};
boost::filesystem::path default_testnet_data_path {default_data_path / "testnet"};
boost::filesystem::path output_file_path;
po::options_description desc_cmd_only("Command line options");
po::options_description desc_cmd_sett("Command line options and settings options");
const command_line::arg_descriptor<std::string> arg_output_file = {"output-file", "Specify output file", "", true};
const command_line::arg_descriptor<uint32_t> arg_log_level = {"log-level", "", log_level};
const command_line::arg_descriptor<uint64_t> arg_block_stop = {"block-stop", "Stop at block number", block_stop};
#if SOURCE_DB != DB_MEMORY
const command_line::arg_descriptor<std::string> arg_db_type = {
"db-type"
, "Specify database type"
, DEFAULT_DB_TYPE
};
const command_line::arg_descriptor<bool> arg_include_db_only_data = {
"include-db-only-data"
, "Include data that is only in a database version."
, false
};
#endif
const command_line::arg_descriptor<bool> arg_testnet_on = {
"testnet"
, "Run on testnet."
, false
};
command_line::add_arg(desc_cmd_sett, command_line::arg_data_dir, default_data_path.string());
command_line::add_arg(desc_cmd_sett, command_line::arg_testnet_data_dir, default_testnet_data_path.string());
command_line::add_arg(desc_cmd_sett, arg_output_file);
#if SOURCE_DB != DB_MEMORY
command_line::add_arg(desc_cmd_sett, arg_db_type);
command_line::add_arg(desc_cmd_sett, arg_include_db_only_data);
#endif
command_line::add_arg(desc_cmd_sett, arg_testnet_on);
command_line::add_arg(desc_cmd_sett, arg_log_level);
command_line::add_arg(desc_cmd_sett, arg_block_stop);
command_line::add_arg(desc_cmd_only, command_line::arg_help);
po::options_description desc_options("Allowed options");
desc_options.add(desc_cmd_only).add(desc_cmd_sett);
po::variables_map vm;
bool r = command_line::handle_error_helper(desc_options, [&]()
{
po::store(po::parse_command_line(argc, argv, desc_options), vm);
po::notify(vm);
return true;
});
if (! r)
return 1;
if (command_line::get_arg(vm, command_line::arg_help))
{
std::cout << CRYPTONOTE_NAME << " v" << MONERO_VERSION_FULL << ENDL << ENDL;
std::cout << desc_options << std::endl;
return 1;
}
log_level = command_line::get_arg(vm, arg_log_level);
block_stop = command_line::get_arg(vm, arg_block_stop);
log_space::get_set_log_detalisation_level(true, log_level);
log_space::log_singletone::add_logger(LOGGER_CONSOLE, NULL, NULL);
LOG_PRINT_L0("Starting...");
LOG_PRINT_L0("Setting log level = " << log_level);
bool opt_testnet = command_line::get_arg(vm, arg_testnet_on);
bool opt_include_db_only_data = command_line::get_arg(vm, arg_include_db_only_data);
std::string m_config_folder;
auto data_dir_arg = opt_testnet ? command_line::arg_testnet_data_dir : command_line::arg_data_dir;
m_config_folder = command_line::get_arg(vm, data_dir_arg);
if (command_line::has_arg(vm, arg_output_file))
output_file_path = boost::filesystem::path(command_line::get_arg(vm, arg_output_file));
else
output_file_path = boost::filesystem::path(m_config_folder) / "dump" / "blockchain.json";
LOG_PRINT_L0("Export output file: " << output_file_path.string());
const boost::filesystem::path dir_path = output_file_path.parent_path();
if (!dir_path.empty())
{
if (boost::filesystem::exists(dir_path))
{
if (!boost::filesystem::is_directory(dir_path))
{
LOG_PRINT_RED_L0("dump directory path is a file: " << dir_path);
return false;
}
}
else
{
if (!boost::filesystem::create_directory(dir_path))
{
LOG_PRINT_RED_L0("Failed to create directory " << dir_path);
return false;
}
}
}
std::ofstream raw_data_file;
raw_data_file.open(output_file_path.string(), std::ios_base::out | std::ios::trunc);
if (raw_data_file.fail())
return false;
// If we wanted to use the memory pool, we would set up a fake_core.
#if SOURCE_DB == DB_MEMORY
// blockchain_storage* core_storage = NULL;
// tx_memory_pool m_mempool(*core_storage); // is this fake anyway? just passing in NULL! so m_mempool can't be used anyway, right?
// core_storage = new blockchain_storage(&m_mempool);
blockchain_storage* core_storage = new blockchain_storage(NULL);
LOG_PRINT_L0("Initializing source blockchain (in-memory database)");
r = core_storage->init(m_config_folder, opt_testnet);
#else
// Use Blockchain instead of lower-level BlockchainDB for two reasons:
// 1. Blockchain has the init() method for easy setup
// 2. exporter needs to use get_current_blockchain_height(), get_block_id_by_height(), get_block_by_hash()
//
// cannot match blockchain_storage setup above with just one line,
// e.g.
// Blockchain* core_storage = new Blockchain(NULL);
// because unlike blockchain_storage constructor, which takes a pointer to
// tx_memory_pool, Blockchain's constructor takes tx_memory_pool object.
LOG_PRINT_L0("Initializing source blockchain (BlockchainDB)");
Blockchain *core_storage = NULL;
tx_memory_pool m_mempool(*core_storage);
core_storage = new Blockchain(m_mempool);
BlockchainDB* db;
int mdb_flags = 0;
std::string db_type = command_line::get_arg(vm, arg_db_type);
if (db_type.empty() || db_type == "lmdb")
{
db = new BlockchainLMDB();
mdb_flags |= MDB_RDONLY;
}
else if (db_type == "berkeley")
{
db = new BlockchainBDB();
// can't open readonly due to the way flags are split in db_bdb.cpp
}
else
{
LOG_PRINT_L0("Invalid db type: " << db_type);
throw;
}
boost::filesystem::path folder(m_config_folder);
folder /= db->get_db_name();
const std::string filename = folder.string();
LOG_PRINT_L0("Loading blockchain from folder " << filename << " ...");
try
{
db->open(filename, mdb_flags);
}
catch (const std::exception& e)
{
LOG_PRINT_L0("Error opening database: " << e.what());
throw;
}
r = core_storage->init(db, opt_testnet);
#endif
CHECK_AND_ASSERT_MES(r, false, "Failed to initialize source blockchain storage");
LOG_PRINT_L0("Source blockchain storage initialized OK");
LOG_PRINT_L0("Dumping blockchain...");
DumpContext d(raw_data_file);
start_struct(d,"blockchain");
uint64_t height = core_storage->get_current_blockchain_height();
write_pod(d, "height", height);
goto start;
start_array(d,"blockids", true);
for (uint64_t h = 0; h < height; ++h)
write_pod(d,core_storage->get_block_id_by_height(h));
end_compound(d);
start_array(d,"txids", true);
{
std::vector<crypto::hash> txids;
core_storage->for_all_transactions([&txids](const crypto::hash &hash, const cryptonote::transaction &tx)->bool{txids.push_back(hash); return true;});
std::sort(txids.begin(), txids.end(),
[](const crypto::hash &txid0, const crypto::hash &txid1) {return memcmp(txid0.data, txid1.data, sizeof(crypto::hash::data)) < 0;});
for (size_t n = 0; n < txids.size(); ++n)
write_pod(d, txids[n]);
}
end_compound(d);
start_struct(d,"transactions", true);
{
for (uint64_t h = 0; h < height; ++h)
{
start_array(d, boost::lexical_cast<std::string>(h));
std::list<cryptonote::block> blocks;
std::list<cryptonote::transaction> transactions, miner_tx;
core_storage->get_blocks(h, 1, blocks, transactions);
if (blocks.size() != 1)
throw std::string("Expected 1 block at height ") + boost::lexical_cast<std::string>(h);
crypto::hash txid = cryptonote::get_transaction_hash(blocks.front().miner_tx);
write_pod(d, string_tools::pod_to_hex(txid).c_str(), obj_to_json_str(blocks.front().miner_tx));
std::vector<std::pair<crypto::hash, cryptonote::transaction>> txes;
for (std::list<cryptonote::transaction>::iterator i = transactions.begin(); i != transactions.end(); ++i)
txes.push_back(std::make_pair(cryptonote::get_transaction_hash(*i), *i));
std::sort(txes.begin(), txes.end(),
[](const std::pair<crypto::hash, cryptonote::transaction> &tx0, const std::pair<crypto::hash, cryptonote::transaction> &tx1) {return memcmp(tx0.first.data, tx1.first.data, sizeof(crypto::key_image::data)) < 0;});
for (std::vector<std::pair<crypto::hash, cryptonote::transaction>>::iterator i = txes.begin(); i != txes.end(); ++i)
{
write_pod(d, string_tools::pod_to_hex((*i).first).c_str(), obj_to_json_str((*i).second));
}
end_compound(d);
}
}
start_struct(d,"blocks", true);
{
std::vector<crypto::hash> blockids;
core_storage->for_all_blocks([&](uint64_t height, const crypto::hash &hash, const cryptonote::block &b)->bool{
start_struct(d, boost::lexical_cast<std::string>(height));
write_pod(d, "hash", string_tools::pod_to_hex(hash));
cryptonote::block block = b;
write_pod(d, "block", obj_to_json_str(block));
end_compound(d);
return true;
});
}
end_compound(d);
start_array(d,"key_images", true);
{
std::vector<crypto::key_image> key_images;
core_storage->for_all_key_images([&key_images](const crypto::key_image &k_image)->bool{key_images.push_back(k_image); return true;});
std::sort(key_images.begin(), key_images.end(),
[](const crypto::key_image &k0, const crypto::key_image &k1) {return memcmp(k0.data, k1.data, sizeof(crypto::key_image::data)) < 0;});
for (size_t n = 0; n < key_images.size(); ++n)
write_pod(d,key_images[n]);
}
end_compound(d);
if (opt_include_db_only_data)
{
start_struct(d, "block_timestamps", true);
for (uint64_t h = 0; h < height; ++h)
write_pod(d,boost::lexical_cast<std::string>(h),db->get_block_timestamp(h));
end_compound(d);
start_struct(d, "block_difficulties", true);
for (uint64_t h = 0; h < height; ++h)
write_pod(d,boost::lexical_cast<std::string>(h),db->get_block_cumulative_difficulty(h));
end_compound(d);
start_struct(d, "block_sizes", true);
for (uint64_t h = 0; h < height; ++h)
write_pod(d,boost::lexical_cast<std::string>(h),db->get_block_size(h));
end_compound(d);
start_struct(d, "block_coins", true);
for (uint64_t h = 0; h < height; ++h)
write_pod(d,boost::lexical_cast<std::string>(h),db->get_block_already_generated_coins(h));
end_compound(d);
start_struct(d, "block_heights", true);
for (uint64_t h = 0; h < height; ++h)
{
const crypto::hash hash = core_storage->get_block_id_by_height(h);
write_pod(d,boost::lexical_cast<std::string>(h),db->get_block_height(hash));
}
end_compound(d);
{
std::vector<crypto::hash> txids;
core_storage->for_all_transactions([&txids](const crypto::hash &hash, const cryptonote::transaction &tx)->bool{txids.push_back(hash); return true;});
std::sort(txids.begin(), txids.end(),
[](const crypto::hash &txid0, const crypto::hash &txid1) {return memcmp(txid0.data, txid1.data, sizeof(crypto::hash::data)) < 0;});
start_struct(d, "transaction_unlock_times", true);
for (size_t n = 0; n < txids.size(); ++n)
write_pod(d,string_tools::pod_to_hex(txids[n]),db->get_tx_unlock_time(txids[n]));
end_compound(d);
start_struct(d, "transaction_block_heights", true);
for (size_t n = 0; n < txids.size(); ++n)
write_pod(d,string_tools::pod_to_hex(txids[n]),db->get_tx_block_height(txids[n]));
end_compound(d);
}
start_array(d, "tx_and_index_from_global", true);
for (uint64_t idx = 0; ; ++idx)
{
try
{
tx_out_index toi = db->get_output_tx_and_index_from_global(idx);
start_struct(d, boost::lexical_cast<std::string>(idx));
write_pod(d, "tx_hash", string_tools::pod_to_hex(toi.first));
write_pod(d, "tx_index", string_tools::pod_to_hex(toi.second));
end_compound(d);
}
catch (const OUTPUT_DNE &) { break; }
}
end_compound(d);
start:
start_struct(d, "outputs_amounts", true);
for (uint64_t base = 1; base <= (uint64_t)10000000000000000000ul; base *= 10) for (uint64_t digit = 1; digit <= 9; ++digit) {
uint64_t amount = digit * base;
write_pod(d, boost::lexical_cast<std::string>(amount), db->get_num_outputs(amount));
}
end_compound(d);
start_array(d, "output_keys", true);
for (uint64_t idx = 0; ; ++idx)
{
try
{
output_data_t od = db->get_output_key(idx);
start_struct(d, boost::lexical_cast<std::string>(idx));
write_pod(d, "pubkey", string_tools::pod_to_hex(od.pubkey));
write_pod(d, "unlock_time", od.unlock_time);
write_pod(d, "height", od.height);
end_compound(d);
}
catch (const OUTPUT_DNE &) { break; }
}
end_compound(d);
start_struct(d, "hf_versions", true);
for (uint64_t h = 0; h < height; ++h)
write_pod(d, boost::lexical_cast<std::string>(h), (unsigned int)db->get_hard_fork_version(h));
end_compound(d);
start_struct(d, "hf_starting_heights", true);
for (unsigned int v = 0; v <= 255; ++v)
write_pod(d, boost::lexical_cast<std::string>(v), db->get_hard_fork_starting_height(v));
end_compound(d);
}
end_compound(d);
CHECK_AND_ASSERT_MES(r, false, "Failed to dump blockchain");
if (raw_data_file.fail())
return false;
raw_data_file.flush();
LOG_PRINT_L0("Blockchain dump OK");
return 0;
}

20
src/cryptonote_core/blockchain.cpp
View file

@ -3188,3 +3188,23 @@ bool Blockchain::get_hard_fork_voting_info(uint8_t version, uint32_t &window, ui
{
return m_hardfork->get_voting_info(version, window, votes, threshold, voting);
}
bool Blockchain::for_all_key_images(std::function<bool(const crypto::key_image&)> f) const
{
return m_db->for_all_key_images(f);
}
bool Blockchain::for_all_blocks(std::function<bool(uint64_t, const crypto::hash&, const block&)> f) const
{
return m_db->for_all_blocks(f);
}
bool Blockchain::for_all_transactions(std::function<bool(const crypto::hash&, const cryptonote::transaction&)> f) const
{
return m_db->for_all_transactions(f);
}
bool Blockchain::for_all_outputs(std::function<bool(uint64_t amount, const crypto::hash &tx_hash, size_t tx_idx)> f) const
{
return m_db->for_all_outputs(f);;
}

5
src/cryptonote_core/blockchain.h
View file

@ -165,6 +165,11 @@ namespace cryptonote
uint8_t get_ideal_hard_fork_version() const { return m_hardfork->get_ideal_version(); }
bool get_hard_fork_voting_info(uint8_t version, uint32_t &window, uint32_t &votes, uint32_t &threshold, uint8_t &voting) const;
bool for_all_key_images(std::function<bool(const crypto::key_image&)>) const;
bool for_all_blocks(std::function<bool(uint64_t, const crypto::hash&, const block&)>) const;
bool for_all_transactions(std::function<bool(const crypto::hash&, const cryptonote::transaction&)>) const;
bool for_all_outputs(std::function<bool(uint64_t amount, const crypto::hash &tx_hash, size_t tx_idx)>) const;
BlockchainDB& get_db()
{
return *m_db;

38
src/cryptonote_core/blockchain_storage.cpp
View file

@ -1890,3 +1890,41 @@ void blockchain_storage::set_enforce_dns_checkpoints(bool enforce_checkpoints)
{
m_enforce_dns_checkpoints = enforce_checkpoints;
}
//------------------------------------------------------------------
bool blockchain_storage::for_all_key_images(std::function<bool(const crypto::key_image&)> f) const
{
for (key_images_container::const_iterator i = m_spent_keys.begin(); i != m_spent_keys.end(); ++i) {
if (!f(*i))
return false;
}
return true;
}
//------------------------------------------------------------------
bool blockchain_storage::for_all_blocks(std::function<bool(uint64_t, const block&)> f) const
{
for (blocks_container::const_iterator i = m_blocks.begin(); i != m_blocks.end(); ++i) {
if (!f(i->height, i->bl))
return false;
}
return true;
}
//------------------------------------------------------------------
bool blockchain_storage::for_all_transactions(std::function<bool(const transaction&)> f) const
{
for (transactions_container::const_iterator i = m_transactions.begin(); i != m_transactions.end(); ++i) {
if (!f(i->second.tx))
return false;
}
return true;
}
//------------------------------------------------------------------
bool blockchain_storage::for_all_outputs(std::function<bool(uint64_t, const crypto::hash&, size_t)> f) const
{
for (outputs_container::const_iterator i = m_outputs.begin(); i != m_outputs.end(); ++i) {
for (size_t n = 0; n < i->second.size(); ++n) {
if (!f(i->first, i->second[n].first, i->second[n].second))
return false;
}
}
return true;
}

5
src/cryptonote_core/blockchain_storage.h
View file

@ -185,6 +185,11 @@ namespace cryptonote
difficulty_type get_block_cumulative_difficulty(uint64_t height) const { return m_blocks[height].cumulative_difficulty; }
uint64_t get_block_coins_generated(uint64_t height) const { return m_blocks[height].already_generated_coins; }
bool for_all_key_images(std::function<bool(const crypto::key_image&)>) const;
bool for_all_blocks(std::function<bool(uint64_t height, const block&)>) const;
bool for_all_transactions(std::function<bool(const transaction&)>) const;
bool for_all_outputs(std::function<bool(uint64_t amount, const crypto::hash &tx_hash, size_t tx_idx)>) const;
// use for testing only
bool debug_pop_block_from_blockchain() { return pop_block_from_blockchain(); }