Merge pull request #4946

6644b9b blockchain_db: remove a couple unused functions (moneromooo-monero)
ce594f5 blockchain_db: allocate known size vector only once (moneromooo-monero)
8332698 db_lmdb: inline check_open, it's trivial and called everywhere (moneromooo-monero)
5511563 db_lmdb: avoid pointless division (moneromooo-monero)
d1efe3d cryptonote: set tx hash on newly parsed txes when known (moneromooo-monero)
9cc68a2 tx_pool: add a few std::move where it can make a difference (moneromooo-monero)

src/blockchain_db/berkeleydb/db_bdb.cpp

@@ -714,29 +714,6 @@ bool BlockchainBDB::for_all_outputs(std::function<bool(uint64_t amount, const cr
     return ret;
 }
 
-blobdata BlockchainBDB::output_to_blob(const tx_out& output) const
-{
-    LOG_PRINT_L3("BlockchainBDB::" << __func__);
-    blobdata b;
-    if (!t_serializable_object_to_blob(output, b))
-        throw1(DB_ERROR("Error serializing output to blob"));
-    return b;
-}
-
-tx_out BlockchainBDB::output_from_blob(const blobdata& blob) const
-{
-    LOG_PRINT_L3("BlockchainBDB::" << __func__);
-    std::stringstream ss;
-    ss << blob;
-    binary_archive<false> ba(ss);
-    tx_out o;
-
-    if (!(::serialization::serialize(ba, o)))
-        throw1(DB_ERROR("Error deserializing tx output blob"));
-
-    return o;
-}
-
 uint64_t BlockchainBDB::get_output_global_index(const uint64_t& amount, const uint64_t& index)
 {
     LOG_PRINT_L3("BlockchainBDB::" << __func__);

src/blockchain_db/berkeleydb/db_bdb.h

@@ -391,24 +391,6 @@ private:
   virtual void check_hard_fork_info();
   virtual void drop_hard_fork_info();
 
-  /**
-   * @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) const;
-
-  /**
-   * @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
    *

src/blockchain_db/blockchain_db.cpp

@@ -170,7 +170,7 @@ void BlockchainDB::add_transaction(const crypto::hash& blk_hash, const transacti
 
   uint64_t tx_id = add_transaction_data(blk_hash, tx, tx_hash, tx_prunable_hash);
 
-  std::vector<uint64_t> amount_output_indices;
+  std::vector<uint64_t> amount_output_indices(tx.vout.size());
 
   // iterate tx.vout using indices instead of C++11 foreach syntax because
   // we need the index
@@ -183,13 +183,13 @@ void BlockchainDB::add_transaction(const crypto::hash& blk_hash, const transacti
       cryptonote::tx_out vout = tx.vout[i];
       rct::key commitment = rct::zeroCommit(vout.amount);
       vout.amount = 0;
-      amount_output_indices.push_back(add_output(tx_hash, vout, i, tx.unlock_time,
-        &commitment));
+      amount_output_indices[i] = add_output(tx_hash, vout, i, tx.unlock_time,
+        &commitment);
     }
     else
     {
-      amount_output_indices.push_back(add_output(tx_hash, tx.vout[i], i, tx.unlock_time,
-        tx.version > 1 ? &tx.rct_signatures.outPk[i].mask : NULL));
+      amount_output_indices[i] = add_output(tx_hash, tx.vout[i], i, tx.unlock_time,
+        tx.version > 1 ? &tx.rct_signatures.outPk[i].mask : NULL);
     }
   }
   add_tx_amount_output_indices(tx_id, amount_output_indices);

src/blockchain_db/lmdb/db_lmdb.cpp

@@ -456,6 +456,12 @@ inline int lmdb_txn_renew(MDB_txn *txn)
   return res;
 }
 
+inline void BlockchainLMDB::check_open() const
+{
+  if (!m_open)
+    throw0(DB_ERROR("DB operation attempted on a not-open DB instance"));
+}
+
 void BlockchainLMDB::do_resize(uint64_t increase_size)
 {
   LOG_PRINT_L3("BlockchainLMDB::" << __func__);
@@ -1166,36 +1172,6 @@ void BlockchainLMDB::remove_spent_key(const crypto::key_image& k_image)
   }
 }
 
-blobdata BlockchainLMDB::output_to_blob(const tx_out& output) const
-{
-  LOG_PRINT_L3("BlockchainLMDB::" << __func__);
-  blobdata b;
-  if (!t_serializable_object_to_blob(output, b))
-    throw1(DB_ERROR("Error serializing output to blob"));
-  return b;
-}
-
-tx_out BlockchainLMDB::output_from_blob(const blobdata& blob) const
-{
-  LOG_PRINT_L3("BlockchainLMDB::" << __func__);
-  std::stringstream ss;
-  ss << blob;
-  binary_archive<false> ba(ss);
-  tx_out o;
-
-  if (!(::serialization::serialize(ba, o)))
-    throw1(DB_ERROR("Error deserializing tx output blob"));
-
-  return o;
-}
-
-void BlockchainLMDB::check_open() const
-{
-//  LOG_PRINT_L3("BlockchainLMDB::" << __func__);
-  if (!m_open)
-    throw0(DB_ERROR("DB operation attempted on a not-open DB instance"));
-}
-
 BlockchainLMDB::~BlockchainLMDB()
 {
   LOG_PRINT_L3("BlockchainLMDB::" << __func__);
@@ -3192,7 +3168,7 @@ uint64_t BlockchainLMDB::add_block(const block& blk, size_t block_weight, const
   check_open();
   uint64_t m_height = height();
 
-  if (m_height % 1000 == 0)
+  if (m_height % 1024 == 0)
   {
     // for batch mode, DB resize check is done at start of batch transaction
     if (! m_batch_active && need_resize())

src/blockchain_db/lmdb/db_lmdb.h

@@ -359,25 +359,7 @@ private:
   virtual void check_hard_fork_info();
   virtual void drop_hard_fork_info();
 
-  /**
-   * @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) const;
-
-  /**
-   * @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;
-
-  void check_open() const;
+  inline void check_open() const;
 
   virtual bool is_read_only() const;
 

src/cryptonote_basic/cryptonote_basic.h

@@ -211,6 +211,8 @@ namespace cryptonote
     void set_hash_valid(bool v) const { hash_valid.store(v,std::memory_order_release); }
     bool is_blob_size_valid() const { return blob_size_valid.load(std::memory_order_acquire); }
     void set_blob_size_valid(bool v) const { blob_size_valid.store(v,std::memory_order_release); }
+    void set_hash(const crypto::hash &h) { hash = h; set_hash_valid(true); }
+    void set_blob_size(size_t sz) { blob_size = sz; set_blob_size_valid(true); }
 
     BEGIN_SERIALIZE_OBJECT()
       if (!typename Archive<W>::is_saving())

src/cryptonote_basic/cryptonote_format_utils.cpp

@@ -184,6 +184,7 @@ namespace cryptonote
     CHECK_AND_ASSERT_MES(r, false, "Failed to parse transaction from blob");
     CHECK_AND_ASSERT_MES(expand_transaction_1(tx, false), false, "Failed to expand transaction data");
     tx.invalidate_hashes();
+    tx.set_blob_size(tx_blob.size());
     return true;
   }
   //---------------------------------------------------------------

src/cryptonote_core/tx_pool.cpp

@@ -480,6 +480,10 @@ namespace cryptonote
         MERROR("Failed to parse tx from txpool");
         return false;
       }
+      else
+      {
+        tx.set_hash(id);
+      }
       tx_weight = meta.weight;
       fee = meta.fee;
       relayed = meta.relayed;
@@ -659,7 +663,8 @@ namespace cryptonote
         // continue
         return true;
       }
-      txs.push_back(tx);
+      tx.set_hash(txid);
+      txs.push_back(std::move(tx));
       return true;
     }, true, include_unrelayed_txes);
   }
@@ -782,6 +787,7 @@ namespace cryptonote
         // continue
         return true;
       }
+      tx.set_hash(txid);
       txi.tx_json = obj_to_json_str(tx);
       txi.blob_size = bd->size();
       txi.weight = meta.weight;
@@ -798,7 +804,7 @@ namespace cryptonote
       txi.last_relayed_time = include_sensitive_data ? meta.last_relayed_time : 0;
       txi.do_not_relay = meta.do_not_relay;
       txi.double_spend_seen = meta.double_spend_seen;
-      tx_infos.push_back(txi);
+      tx_infos.push_back(std::move(txi));
       return true;
     }, true, include_sensitive_data);
 
@@ -847,14 +853,13 @@ namespace cryptonote
     m_blockchain.for_all_txpool_txes([&tx_infos, key_image_infos](const crypto::hash &txid, const txpool_tx_meta_t &meta, const cryptonote::blobdata *bd){
       cryptonote::rpc::tx_in_pool txi;
       txi.tx_hash = txid;
-      transaction tx;
-      if (!parse_and_validate_tx_from_blob(*bd, tx))
+      if (!parse_and_validate_tx_from_blob(*bd, txi.tx))
       {
         MERROR("Failed to parse tx from txpool");
         // continue
         return true;
       }
-      txi.tx = tx;
+      txi.tx.set_hash(txid);
       txi.blob_size = bd->size();
       txi.weight = meta.weight;
       txi.fee = meta.fee;
@@ -881,7 +886,7 @@ namespace cryptonote
       }
 
       const crypto::key_image& k_image = kee.first;
-      key_image_infos[k_image] = tx_hashes;
+      key_image_infos[k_image] = std::move(tx_hashes);
     }
     return true;
   }
@@ -990,21 +995,23 @@ namespace cryptonote
   {
     struct transction_parser
     {
-      transction_parser(const cryptonote::blobdata &txblob, transaction &tx): txblob(txblob), tx(tx), parsed(false) {}
+      transction_parser(const cryptonote::blobdata &txblob, const crypto::hash &txid, transaction &tx): txblob(txblob), txid(txid), tx(tx), parsed(false) {}
       cryptonote::transaction &operator()()
       {
         if (!parsed)
         {
           if (!parse_and_validate_tx_from_blob(txblob, tx))
             throw std::runtime_error("failed to parse transaction blob");
+          tx.set_hash(txid);
           parsed = true;
         }
         return tx;
       }
       const cryptonote::blobdata &txblob;
+      const crypto::hash &txid;
       transaction &tx;
       bool parsed;
-    } lazy_tx(txblob, tx);
+    } lazy_tx(txblob, txid, tx);
 
     //not the best implementation at this time, sorry :(
     //check is ring_signature already checked ?