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Merge pull request #2063

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d17c0fc2 Don't copy blockchain for coinbase_tx_sum (Howard Chu)
This commit is contained in:
Riccardo Spagni 2017-06-01 19:33:43 +02:00
commit 3d397325bf
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GPG key ID: 55432DF31CCD4FCD
7 changed files with 32 additions and 15 deletions
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10
src/blockchain_db/blockchain_db.h
View file

@ -1353,10 +1353,10 @@ public:
virtual bool for_all_key_images(std::function<bool(const crypto::key_image&)>) const = 0;
/**
* @brief runs a function over all blocks stored
* @brief runs a function over a range of blocks
*
* The subclass should run the passed function for each block it has
* stored, passing (block_height, block_hash, block) as its parameters.
* The subclass should run the passed function for each block in the
* specified range, passing (block_height, block_hash, block) as its parameters.
*
* If any call to the function returns false, the subclass should return
* false. Otherwise, the subclass returns true.
@ -1364,11 +1364,13 @@ public:
* The subclass should throw DB_ERROR if any of the expected values are
* not found. Current implementations simply return false.
*
* @param h1 the start height
* @param h2 the end height
* @param std::function fn the function to run
*
* @return false if the function returns false for any block, otherwise true
*/
virtual bool for_all_blocks(std::function<bool(uint64_t, const crypto::hash&, const cryptonote::block&)>) const = 0;
virtual bool for_blocks_range(const uint64_t& h1, const uint64_t& h2, std::function<bool(uint64_t, const crypto::hash&, const cryptonote::block&)>) const = 0;
/**
* @brief runs a function over all transactions stored

14
src/blockchain_db/lmdb/db_lmdb.cpp
View file

@ -2380,7 +2380,7 @@ bool BlockchainLMDB::for_all_key_images(std::function<bool(const crypto::key_ima
return ret;
}
bool BlockchainLMDB::for_all_blocks(std::function<bool(uint64_t, const crypto::hash&, const cryptonote::block&)> f) const
bool BlockchainLMDB::for_blocks_range(const uint64_t& h1, const uint64_t& h2, std::function<bool(uint64_t, const crypto::hash&, const cryptonote::block&)> f) const
{
LOG_PRINT_L3("BlockchainLMDB::" << __func__);
check_open();
@ -2392,7 +2392,15 @@ bool BlockchainLMDB::for_all_blocks(std::function<bool(uint64_t, const crypto::h
MDB_val v;
bool ret = true;
MDB_cursor_op op = MDB_FIRST;
MDB_cursor_op op;
if (h1)
{
MDB_val_set(k, h1);
op = MDB_SET;
} else
{
op = MDB_FIRST;
}
while (1)
{
int ret = mdb_cursor_get(m_cur_blocks, &k, &v, op);
@ -2414,6 +2422,8 @@ bool BlockchainLMDB::for_all_blocks(std::function<bool(uint64_t, const crypto::h
ret = false;
break;
}
if (height >= h2)
break;
}
TXN_POSTFIX_RDONLY();

2
src/blockchain_db/lmdb/db_lmdb.h
View file

@ -249,7 +249,7 @@ public:
virtual bool for_all_txpool_txes(std::function<bool(const crypto::hash&, const txpool_tx_meta_t&, const cryptonote::blobdata*)> f, bool include_blob = false) 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_blocks_range(const uint64_t& h1, const uint64_t& h2, 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;

4
src/cryptonote_core/blockchain.cpp
View file

@ -4164,9 +4164,9 @@ bool Blockchain::for_all_key_images(std::function<bool(const crypto::key_image&)
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
bool Blockchain::for_blocks_range(const uint64_t& h1, const uint64_t& h2, std::function<bool(uint64_t, const crypto::hash&, const block&)> f) const
{
return m_db->for_all_blocks(f);
return m_db->for_blocks_range(h1, h2, f);
}
bool Blockchain::for_all_transactions(std::function<bool(const crypto::hash&, const cryptonote::transaction&)> f) const

6
src/cryptonote_core/blockchain.h
View file

@ -790,13 +790,15 @@ namespace cryptonote
bool for_all_key_images(std::function<bool(const crypto::key_image&)>) const;
/**
* @brief perform a check on all blocks in the blockchain
* @brief perform a check on all blocks in the blockchain in the given range
*
* @param h1 the start height
* @param h2 the end height
* @param std::function the check to perform, pass/fail
*
* @return false if any block fails the check, otherwise true
*/
bool for_all_blocks(std::function<bool(uint64_t, const crypto::hash&, const block&)>) const;
bool for_blocks_range(const uint64_t& h1, const uint64_t& h2, std::function<bool(uint64_t, const crypto::hash&, const block&)>) const;
/**
* @brief perform a check on all transactions in the blockchain

9
src/cryptonote_core/cryptonote_core.cpp
View file

@ -713,12 +713,13 @@ namespace cryptonote
//-----------------------------------------------------------------------------------------------
std::pair<uint64_t, uint64_t> core::get_coinbase_tx_sum(const uint64_t start_offset, const size_t count)
{
std::list<block> blocks;
uint64_t emission_amount = 0;
uint64_t total_fee_amount = 0;
this->get_blocks(start_offset, count, blocks);
for(auto& b: blocks)
if (count)
{
const uint64_t end = start_offset + count - 1;
m_blockchain_storage.for_blocks_range(start_offset, end,
[this, &emission_amount, &total_fee_amount](uint64_t, const crypto::hash& hash, const block& b){
std::list<transaction> txs;
std::list<crypto::hash> missed_txs;
uint64_t coinbase_amount = get_outs_money_amount(b.miner_tx);
@ -731,6 +732,8 @@ namespace cryptonote
emission_amount += coinbase_amount - tx_fee_amount;
total_fee_amount += tx_fee_amount;
return true;
});
}
return std::pair<uint64_t, uint64_t>(emission_amount, total_fee_amount);

2
tests/unit_tests/hardfork.cpp
View file

@ -106,7 +106,7 @@ public:
virtual void remove_spent_key(const crypto::key_image& k_image) {}
virtual bool for_all_key_images(std::function<bool(const crypto::key_image&)>) const { return true; }
virtual bool for_all_blocks(std::function<bool(uint64_t, const crypto::hash&, const cryptonote::block&)>) const { return true; }
virtual bool for_blocks_range(const uint64_t&, const uint64_t&, std::function<bool(uint64_t, const crypto::hash&, const cryptonote::block&)>) const { return true; }
virtual bool for_all_transactions(std::function<bool(const crypto::hash&, const cryptonote::transaction&)>) const { return true; }
virtual bool for_all_outputs(std::function<bool(uint64_t amount, const crypto::hash &tx_hash, size_t tx_idx)> f) const { return true; }
virtual bool is_read_only() const { return false; }