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Make get_output_key method const 

get_output_key method is commonly used when working with txs and their key images. Because the method is not const, passing blockchain object though const& or pointers to const is not possible in this context. This is especially problematic in external projects (e.g., projects in moneroexamples) that use monero C++ api to operate on the blockchain and txs.

Thus, having get_output_key method will simplify moving blockchain object around through const references and pointers to const objects.
This commit is contained in:
moneroexamples 2018-12-11 16:50:27 +08:00
parent 42abea7f72
commit ec68cf822f
5 changed files with 10 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
src/blockchain_db/berkeleydb/db_bdb.cpp
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@ -1632,7 +1632,7 @@ output_data_t BlockchainBDB::get_output_key(const uint64_t& global_index) const
return v;
}
output_data_t BlockchainBDB::get_output_key(const uint64_t& amount, const uint64_t& index)
output_data_t BlockchainBDB::get_output_key(const uint64_t& amount, const uint64_t& index) const
{
LOG_PRINT_L3("BlockchainBDB::" << __func__);
check_open();
@ -1641,7 +1641,7 @@ output_data_t BlockchainBDB::get_output_key(const uint64_t& amount, const uint64
return get_output_key(glob_index);
}
tx_out_index BlockchainBDB::get_output_tx_and_index(const uint64_t& amount, const uint64_t& index)
tx_out_index BlockchainBDB::get_output_tx_and_index(const uint64_t& amount, const uint64_t& index) const
{
LOG_PRINT_L3("BlockchainBDB::" << __func__);
std::vector < uint64_t > offsets;

4
src/blockchain_db/blockchain_db.h
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@ -1258,7 +1258,7 @@ public:
*
* @return the requested output data
*/
virtual output_data_t get_output_key(const uint64_t& amount, const uint64_t& index) = 0;
virtual output_data_t get_output_key(const uint64_t& amount, const uint64_t& index) const = 0;
/**
* @brief gets an output's tx hash and index
@ -1310,7 +1310,7 @@ public:
* @param offsets a list of amount-specific output indices
* @param outputs return-by-reference a list of outputs' metadata
*/
virtual void get_output_key(const epee::span<const uint64_t> &amounts, const std::vector<uint64_t> &offsets, std::vector<output_data_t> &outputs, bool allow_partial = false) = 0;
virtual void get_output_key(const epee::span<const uint64_t> &amounts, const std::vector<uint64_t> &offsets, std::vector<output_data_t> &outputs, bool allow_partial = false) const = 0;
/*
* FIXME: Need to check with git blame and ask what this does to

4
src/blockchain_db/lmdb/db_lmdb.cpp
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@ -2535,7 +2535,7 @@ uint64_t BlockchainLMDB::get_num_outputs(const uint64_t& amount) const
return num_elems;
}
output_data_t BlockchainLMDB::get_output_key(const uint64_t& amount, const uint64_t& index)
output_data_t BlockchainLMDB::get_output_key(const uint64_t& amount, const uint64_t& index) const
{
LOG_PRINT_L3("BlockchainLMDB::" << __func__);
check_open();
@ -3242,7 +3242,7 @@ void BlockchainLMDB::get_output_tx_and_index_from_global(const std::vector<uint6
TXN_POSTFIX_RDONLY();
}
void BlockchainLMDB::get_output_key(const epee::span<const uint64_t> &amounts, const std::vector<uint64_t> &offsets, std::vector<output_data_t> &outputs, bool allow_partial)
void BlockchainLMDB::get_output_key(const epee::span<const uint64_t> &amounts, const std::vector<uint64_t> &offsets, std::vector<output_data_t> &outputs, bool allow_partial) const
{
if (amounts.size() != 1 && amounts.size() != offsets.size())
throw0(DB_ERROR("Invalid sizes of amounts and offets"));

4
src/blockchain_db/lmdb/db_lmdb.h
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@ -242,8 +242,8 @@ public:
virtual uint64_t get_num_outputs(const uint64_t& amount) const;
virtual output_data_t get_output_key(const uint64_t& amount, const uint64_t& index);
virtual void get_output_key(const epee::span<const uint64_t> &amounts, const std::vector<uint64_t> &offsets, std::vector<output_data_t> &outputs, bool allow_partial = false);
virtual output_data_t get_output_key(const uint64_t& amount, const uint64_t& index) const;
virtual void get_output_key(const epee::span<const uint64_t> &amounts, const std::vector<uint64_t> &offsets, std::vector<output_data_t> &outputs, bool allow_partial = false) const;
virtual tx_out_index get_output_tx_and_index_from_global(const uint64_t& index) const;
virtual void get_output_tx_and_index_from_global(const std::vector<uint64_t> &global_indices,

4
tests/unit_tests/testdb.h
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@ -89,11 +89,11 @@ public:
virtual uint64_t get_tx_block_height(const crypto::hash& h) const { return 0; }
virtual uint64_t get_num_outputs(const uint64_t& amount) const { return 1; }
virtual uint64_t get_indexing_base() const { return 0; }
virtual cryptonote::output_data_t get_output_key(const uint64_t& amount, const uint64_t& index) { return cryptonote::output_data_t(); }
virtual cryptonote::output_data_t get_output_key(const uint64_t& amount, const uint64_t& index) const { return cryptonote::output_data_t(); }
virtual cryptonote::tx_out_index get_output_tx_and_index_from_global(const uint64_t& index) const { return cryptonote::tx_out_index(); }
virtual cryptonote::tx_out_index get_output_tx_and_index(const uint64_t& amount, const uint64_t& index) const { return cryptonote::tx_out_index(); }
virtual void get_output_tx_and_index(const uint64_t& amount, const std::vector<uint64_t> &offsets, std::vector<cryptonote::tx_out_index> &indices) const {}
virtual void get_output_key(const epee::span<const uint64_t> &amounts, const std::vector<uint64_t> &offsets, std::vector<cryptonote::output_data_t> &outputs, bool allow_partial = false) {}
virtual void get_output_key(const epee::span<const uint64_t> &amounts, const std::vector<uint64_t> &offsets, std::vector<cryptonote::output_data_t> &outputs, bool allow_partial = false) const {}
virtual bool can_thread_bulk_indices() const { return false; }
virtual std::vector<uint64_t> get_tx_output_indices(const crypto::hash& h) const { return std::vector<uint64_t>(); }
virtual std::vector<uint64_t> get_tx_amount_output_indices(const uint64_t tx_index) const { return std::vector<uint64_t>(); }