Remove some old/obsolete/unused code

git history's here if needed to get any of this back

src/blockchain_db/berkeleydb/db_bdb.cpp

@@ -1536,22 +1536,6 @@ output_data_t BlockchainBDB::get_output_key(const uint64_t& amount, const uint64
     return get_output_key(glob_index);
 }
 
-// As this is not used, its return is now a blank output.
-// This will save on space in the db.
-tx_out BlockchainBDB::get_output(const crypto::hash& h, const uint64_t& index) const
-{
-    LOG_PRINT_L3("BlockchainBDB::" << __func__);
-    return tx_out();
-}
-
-// As this is not used, its return is now a blank output.
-// This will save on space in the db.
-tx_out BlockchainBDB::get_output(const uint64_t& index) const
-{
-    LOG_PRINT_L3("BlockchainBDB::" << __func__);
-    return tx_out();
-}
-
 tx_out_index BlockchainBDB::get_output_tx_and_index(const uint64_t& amount, const uint64_t& index)
 {
     LOG_PRINT_L3("BlockchainBDB::" << __func__);

src/blockchain_db/berkeleydb/db_bdb.h

@@ -300,18 +300,6 @@ public:
   virtual output_data_t get_output_key(const uint64_t& amount, const uint64_t& index);
   virtual output_data_t get_output_key(const uint64_t& global_index) const;
   virtual void get_output_key(const uint64_t &amount, const std::vector<uint64_t> &offsets, std::vector<output_data_t> &outputs);
-  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 void get_output_tx_and_index_from_global(const std::vector<uint64_t> &global_indices,

src/blockchain_db/blockchain_db.h

@@ -106,7 +106,6 @@
  * Outputs:
  *   uint64_t    get_num_outputs(amount)
  *   pub_key     get_output_key(amount, index)
- *   tx_out      get_output(tx_hash, index)
  *   hash,index  get_output_tx_and_index_from_global(index)
  *   hash,index  get_output_tx_and_index(amount, index)
  *   vec<uint64> get_tx_output_indices(tx_hash)
@@ -469,9 +468,6 @@ public:
   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& global_index) const = 0;
 
-  // returns the output indexed by <index> in the transaction with hash <h>
-  virtual tx_out get_output(const crypto::hash& h, const uint64_t& index) const = 0;
-
   // returns the tx hash associated with an output, referenced by global output index
   virtual tx_out_index get_output_tx_and_index_from_global(const uint64_t& index) const = 0;
 

src/blockchain_db/lmdb/db_lmdb.cpp

@@ -195,8 +195,6 @@ const char* const LMDB_OUTPUT_TXS = "output_txs";
 const char* const LMDB_OUTPUT_INDICES = "output_indices";
 const char* const LMDB_OUTPUT_AMOUNTS = "output_amounts";
 const char* const LMDB_OUTPUT_KEYS = "output_keys";
-const char* const LMDB_OUTPUTS = "outputs";
-const char* const LMDB_OUTPUT_GINDICES = "output_gindices";
 const char* const LMDB_SPENT_KEYS = "spent_keys";
 
 const char* const LMDB_HF_STARTING_HEIGHTS = "hf_starting_heights";
@@ -691,19 +689,6 @@ void BlockchainLMDB::add_output(const crypto::hash& tx_hash, const tx_out& tx_ou
 			throw0(DB_ERROR("Failed to add output pubkey to db transaction"));
   }
 
-
-/****** Uncomment if ever outputs actually need to be stored in this manner
- *
-  blobdata b = output_to_blob(tx_output);
-
-  v.mv_size = b.size();
-  v.mv_data = &b;
-  if (mdb_put(*m_write_txn, m_outputs, &k, &v, 0))
-    throw0(DB_ERROR("Failed to add output to db transaction"));
-  if (mdb_put(*m_write_txn, m_output_gindices, &v, &k, 0))
-    throw0(DB_ERROR("Failed to add output global index to db transaction"));
-************************************************************************/
-
   m_num_outputs++;
 }
 
@@ -760,26 +745,6 @@ void BlockchainLMDB::remove_output(const uint64_t& out_index, const uint64_t amo
 
   MDB_val_copy<uint64_t> k(out_index);
 
-/****** Uncomment if ever outputs actually need to be stored in this manner
-  blobdata b;
-  t_serializable_object_to_blob(tx_output, b);
-  k.mv_size = b.size();
-  k.mv_data = &b;
-
-  if (mdb_get(*m_write_txn, m_output_gindices, &k, &v))
-      throw1(OUTPUT_DNE("Attempting to remove output that does not exist"));
-
-  uint64_t gindex = *(uint64_t*)v.mv_data;
-
-  auto result = mdb_del(*m_write_txn, m_output_gindices, &k, NULL);
-  if (result != 0 && result != MDB_NOTFOUND)
-      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)
-      throw1(DB_ERROR("Error adding removal of output to db transaction"));
-*********************************************************************/
-
   auto result = mdb_del(*m_write_txn, m_output_indices, &k, NULL);
   if (result == MDB_NOTFOUND)
   {
@@ -1053,11 +1018,6 @@ void BlockchainLMDB::open(const std::string& filename, const int mdb_flags)
 	lmdb_db_open(txn, LMDB_OUTPUT_AMOUNTS,	MDB_INTEGERKEY | MDB_DUPSORT | MDB_DUPFIXED | MDB_CREATE, m_output_amounts, "Failed to open db handle for m_output_amounts");
   lmdb_db_open(txn, LMDB_OUTPUT_KEYS, MDB_INTEGERKEY | MDB_CREATE, m_output_keys, "Failed to open db handle for m_output_keys");
 
-/*************** not used, but kept for posterity
-  lmdb_db_open(txn, LMDB_OUTPUTS, MDB_INTEGERKEY | MDB_CREATE, m_outputs, "Failed to open db handle for m_outputs");
-  lmdb_db_open(txn, LMDB_OUTPUT_GINDICES, MDB_CREATE, m_output_gindices, "Failed to open db handle for m_output_gindices");
-*************************************************/
-
   lmdb_db_open(txn, LMDB_SPENT_KEYS, MDB_CREATE, m_spent_keys, "Failed to open db handle for m_spent_keys");
 
   lmdb_db_open(txn, LMDB_HF_STARTING_HEIGHTS, MDB_CREATE, m_hf_starting_heights, "Failed to open db handle for m_hf_starting_heights");
@@ -1787,75 +1747,6 @@ output_data_t BlockchainLMDB::get_output_key(const uint64_t& amount, const uint6
 	return get_output_key(glob_index);
 }
 
-tx_out BlockchainLMDB::get_output(const crypto::hash& h, const uint64_t& index) 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"));
-
-  lmdb_cur cur(txn, m_tx_outputs);
-
-  MDB_val_copy<crypto::hash> k(h);
-  MDB_val v;
-  auto result = mdb_cursor_get(cur, &k, &v, MDB_SET);
-  if (result == MDB_NOTFOUND)
-    throw1(OUTPUT_DNE("Attempting to get an output by tx hash and tx index, but output not found"));
-  else if (result)
-    throw0(DB_ERROR("DB error attempting to get an output"));
-
-  size_t num_elems = 0;
-  mdb_cursor_count(cur, &num_elems);
-  if (num_elems <= index)
-    throw1(OUTPUT_DNE("Attempting to get an output by tx hash and tx index, but output not found"));
-
-  mdb_cursor_get(cur, &k, &v, MDB_FIRST_DUP);
-
-  for (uint64_t i = 0; i < index; ++i)
-  {
-    mdb_cursor_get(cur, &k, &v, MDB_NEXT_DUP);
-  }
-
-  mdb_cursor_get(cur, &k, &v, MDB_GET_CURRENT);
-
-  blobdata b;
-  b = *(blobdata*)v.mv_data;
-
-  cur.close();
-  txn.commit();
-
-  return output_from_blob(b);
-}
-
-// As this is not used, its return is now a blank output.
-// This will save on space in the db.
-tx_out BlockchainLMDB::get_output(const uint64_t& index) const
-{
-  return tx_out();
-  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_copy<uint64_t> k(index);
-  MDB_val v;
-  auto get_result = mdb_get(txn, m_outputs, &k, &v);
-  if (get_result == MDB_NOTFOUND)
-  {
-    throw OUTPUT_DNE("Attempting to get output by global index, but output does not exist");
-  }
-  else if (get_result)
-    throw0(DB_ERROR("Error attempting to retrieve an output from the db"));
-
-  blobdata b = *(blobdata*)v.mv_data;
-
-  return output_from_blob(b);
-}
-
 tx_out_index BlockchainLMDB::get_output_tx_and_index_from_global(const uint64_t& index) const
 {
   LOG_PRINT_L3("BlockchainLMDB::" << __func__);

src/blockchain_db/lmdb/db_lmdb.h

@@ -163,19 +163,6 @@ public:
   virtual output_data_t get_output_key(const uint64_t& global_index) const;
   virtual void get_output_key(const uint64_t &amount, const std::vector<uint64_t> &offsets, std::vector<output_data_t> &outputs);
 
-  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 void get_output_tx_and_index_from_global(const std::vector<uint64_t> &global_indices,
 		  std::vector<tx_out_index> &tx_out_indices) const;
@@ -296,10 +283,8 @@ private:
 
   MDB_dbi m_output_txs;
   MDB_dbi m_output_indices;
-  MDB_dbi m_output_gindices;
   MDB_dbi m_output_amounts;
   MDB_dbi m_output_keys;
-  MDB_dbi m_outputs;
 
   MDB_dbi m_spent_keys;
 

src/cryptonote_core/blockchain.cpp

@@ -100,55 +100,6 @@ m_is_blockchain_storing(false), m_enforce_dns_checkpoints(false), m_max_prepare_
     LOG_PRINT_L3("Blockchain::" << __func__);
 }
 //------------------------------------------------------------------
-//TODO: is this still needed?  I don't think so - tewinget
-template<class archive_t>
-void Blockchain::serialize(archive_t & ar, const unsigned int version)
-{
-    key_images_container dummy_key_images_container;
-
-    LOG_PRINT_L3("Blockchain::" << __func__);
-    if(version < 11)
-        return;
-    CRITICAL_REGION_LOCAL(m_blockchain_lock);
-    ar & m_blocks;
-    ar & m_blocks_index;
-    ar & m_transactions;
-    ar & dummy_key_images_container;
-    ar & m_alternative_chains;
-    ar & m_outputs;
-    ar & m_invalid_blocks;
-    ar & m_current_block_cumul_sz_limit;
-    /*serialization bug workaround*/
-    if(version > 11)
-    {
-        uint64_t total_check_count = m_db->height() + m_blocks_index.size() + m_transactions.size() + dummy_key_images_container.size() + m_alternative_chains.size() + m_outputs.size() + m_invalid_blocks.size() + m_current_block_cumul_sz_limit;
-        if(archive_t::is_saving::value)
-        {
-            ar & total_check_count;
-        }
-        else
-        {
-            uint64_t total_check_count_loaded = 0;
-            ar & total_check_count_loaded;
-            if(total_check_count != total_check_count_loaded)
-            {
-                LOG_ERROR("Blockchain storage data corruption detected. total_count loaded from file = " << total_check_count_loaded << ", expected = " << total_check_count);
-
-                LOG_PRINT_L0("Blockchain storage:" << std::endl << "m_blocks: " << m_db->height() << std::endl << "m_blocks_index: " << m_blocks_index.size() << std::endl << "m_transactions: " << m_transactions.size() << std::endl << "dummy_key_images_container: " << dummy_key_images_container.size() << std::endl << "m_alternative_chains: " << m_alternative_chains.size() << std::endl << "m_outputs: " << m_outputs.size() << std::endl << "m_invalid_blocks: " << m_invalid_blocks.size() << std::endl << "m_current_block_cumul_sz_limit: " << m_current_block_cumul_sz_limit);
-
-                throw std::runtime_error("Blockchain data corruption");
-            }
-        }
-    }
-
-    if (version > 12)
-    {
-        ar & *m_hardfork;
-    }
-
-    LOG_PRINT_L3("Blockchain storage:" << std::endl << "m_blocks: " << m_db->height() << std::endl << "m_blocks_index: " << m_blocks_index.size() << std::endl << "m_transactions: " << m_transactions.size() << std::endl << "dummy_key_images_container: " << dummy_key_images_container.size() << std::endl << "m_alternative_chains: " << m_alternative_chains.size() << std::endl << "m_outputs: " << m_outputs.size() << std::endl << "m_invalid_blocks: " << m_invalid_blocks.size() << std::endl << "m_current_block_cumul_sz_limit: " << m_current_block_cumul_sz_limit);
-}
-//------------------------------------------------------------------
 bool Blockchain::have_tx(const crypto::hash &id) const
 {
     LOG_PRINT_L3("Blockchain::" << __func__);

src/cryptonote_core/blockchain.h

@@ -107,9 +107,6 @@ namespace cryptonote
     bool prepare_handle_incoming_blocks(const std::list<block_complete_entry>  &blocks);
     bool cleanup_handle_incoming_blocks(bool force_sync = false);
 
-    template<class archive_t>
-    void serialize(archive_t & ar, const unsigned int version);
-
     bool have_tx(const crypto::hash &id) const;
     bool have_tx_keyimges_as_spent(const transaction &tx) const;
     bool have_tx_keyimg_as_spent(const crypto::key_image &key_im) const;
@@ -276,16 +273,4 @@ namespace cryptonote
     void check_ring_signature(const crypto::hash &tx_prefix_hash, const crypto::key_image &key_image,
     		const std::vector<crypto::public_key> &pubkeys, const std::vector<crypto::signature> &sig, uint64_t &result);
   };
-
-
-  /************************************************************************/
-  /*                                                                      */
-  /************************************************************************/
-
-  #define CURRENT_BLOCKCHAIN_ARCHIVE_VER    13
-
-  //------------------------------------------------------------------
-
 }  // namespace cryptonote
-
-BOOST_CLASS_VERSION(cryptonote::Blockchain, CURRENT_BLOCKCHAIN_ARCHIVE_VER)

tests/unit_tests/hardfork.cpp

@@ -81,7 +81,6 @@ public:
   virtual uint64_t get_num_outputs(const uint64_t& amount) const { return 1; }
   virtual output_data_t get_output_key(const uint64_t& amount, const uint64_t& index) { return output_data_t(); }
   virtual output_data_t get_output_key(const uint64_t& global_index) const { return output_data_t(); }
-  virtual tx_out get_output(const crypto::hash& h, const uint64_t& index) const { return tx_out(); }
   virtual tx_out_index get_output_tx_and_index_from_global(const uint64_t& index) const { return tx_out_index(); }
   virtual tx_out_index get_output_tx_and_index(const uint64_t& amount, const uint64_t& index) { return tx_out_index(); }
   virtual void get_output_tx_and_index(const uint64_t& amount, const std::vector<uint64_t> &offsets, std::vector<tx_out_index> &indices) {}