diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5afd98e..f86a6be 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -30,6 +30,7 @@ set(MONERO_HEADERS_DIR
 include_directories(
         ${MONERO_HEADERS_DIR}/src
         ${MONERO_HEADERS_DIR}/external
+        ${MONERO_HEADERS_DIR}/external/easylogging++
         ${MONERO_HEADERS_DIR}/contrib/epee/include
         ${MONERO_HEADERS_DIR}/external/db_drivers/liblmdb)
 
@@ -60,6 +61,10 @@ add_library(mnemonics STATIC IMPORTED)
 set_property(TARGET mnemonics
         PROPERTY IMPORTED_LOCATION ${MONERO_LIBS_DIR}/libmnemonics.a)
 
+add_library(epee STATIC IMPORTED)
+set_property(TARGET epee
+        PROPERTY IMPORTED_LOCATION ${MONERO_LIBS_DIR}/libepee.a)
+
 add_library(blockchain_db STATIC IMPORTED)
 set_property(TARGET blockchain_db
         PROPERTY IMPORTED_LOCATION ${MONERO_LIBS_DIR}/libblockchain_db.a)
@@ -110,6 +115,7 @@ target_link_libraries(restbed_xmr
         ringct
         common
         mnemonics
+        epee
         mysqlpp
         mysqlclient
         ${Boost_LIBRARIES}
diff --git a/src/CurrentBlockchainStatus.cpp b/src/CurrentBlockchainStatus.cpp
index d5d1bd6..61255fb 100644
--- a/src/CurrentBlockchainStatus.cpp
+++ b/src/CurrentBlockchainStatus.cpp
@@ -154,7 +154,28 @@ CurrentBlockchainStatus::get_block_txs(const block &blk, list <transaction> &blk
     return true;
 }
 
+
 bool
+CurrentBlockchainStatus::tx_exist(const crypto::hash& tx_hash)
+{
+    return core_storage->have_tx(tx_hash);
+}
+
+bool
+CurrentBlockchainStatus::tx_exist(const string& tx_hash_str)
+{
+    crypto::hash tx_hash;
+
+    if (hex_to_pod(tx_hash_str, tx_hash))
+    {
+        return tx_exist(tx_hash);
+    }
+
+    throw runtime_error("(hex_to_pod(tx_hash_str, tx_hash) failed!");
+}
+
+
+    bool
 CurrentBlockchainStatus::get_output_keys(const uint64_t& amount,
             const vector<uint64_t>& absolute_offsets,
             vector<cryptonote::output_data_t>& outputs)
diff --git a/src/CurrentBlockchainStatus.h b/src/CurrentBlockchainStatus.h
index f1d6797..8336b48 100644
--- a/src/CurrentBlockchainStatus.h
+++ b/src/CurrentBlockchainStatus.h
@@ -97,6 +97,12 @@ struct CurrentBlockchainStatus
     static bool
     get_block_txs(const block &blk, list <transaction> &blk_txs);
 
+    static bool
+    tx_exist(const crypto::hash& tx_hash);
+
+    static bool
+    tx_exist(const string& tx_hash_str);
+
     static bool
     get_output_keys(const uint64_t& amount,
                     const vector<uint64_t>& absolute_offsets,
diff --git a/src/YourMoneroRequests.cpp b/src/YourMoneroRequests.cpp
index 4a221b2..3fc1c89 100644
--- a/src/YourMoneroRequests.cpp
+++ b/src/YourMoneroRequests.cpp
@@ -180,10 +180,22 @@ YourMoneroRequests::get_address_txs(const shared_ptr< Session > session, const B
 
                 for (XmrTransaction tx: txs)
                 {
+
+                    // first we check if txs stored in db are already spendable
+                    // it means if they are older than 10 blocks. If  yes,
+                    // we mark them as spendable, as we assumet that blocks
+                    // older than 10 blocks are permanent, i.e, they wont get
+                    // orphaned.
+
                     if (bool {tx.spendable} == false)
                     {
                         if (CurrentBlockchainStatus::is_tx_unlocked(tx.height))
                         {
+
+                            // this tx was before marked as unspendable, but now
+                            // it is spendable. Meaning, that its older than 10 blocks.
+                            // so mark it as spendable, so that its permanet.
+
                             uint64_t no_row_updated = xmr_accounts->mark_tx_spendable(tx.id);
 
                             if (no_row_updated != 1)
@@ -193,6 +205,15 @@ YourMoneroRequests::get_address_txs(const shared_ptr< Session > session, const B
 
                             tx.spendable = true;
                         }
+                        else
+                        {
+                            // tx was marked as non-spendable, i.e., youger than 10 blocks
+                            // so we still are going to use this txs, but we need to double
+                            // check if its still valid, i.e., it's block did not get orphaned.
+                            // we do this by checking if txs still exists in the blockchain
+                            // and if its in the same block as noted in the database.
+
+                        }
                     }
 
                     // get inputs associated with a given
diff --git a/src/tools.h b/src/tools.h
index 0c375b2..a5d5422 100644
--- a/src/tools.h
+++ b/src/tools.h
@@ -163,8 +163,8 @@ get_payment_id(const transaction& tx,
 inline void
 enable_monero_log() {
     uint32_t log_level = 0;
-    epee::log_space::get_set_log_detalisation_level(true, log_level);
-    epee::log_space::log_singletone::add_logger(LOGGER_CONSOLE, NULL, NULL);
+    log_space::log_singletone::get_set_log_detalisation_level(true, log_level);
+    log_space::log_singletone::log_singletone::add_logger(LOGGER_CONSOLE, NULL, NULL);
 }