initial [broken] update

38 files changed, 849 insertions, 232 deletions

diff --git a/README b/README
index f63a4cc4f..87a89c587 100644
--- a/README
+++ b/README
@@ -29,4 +29,4 @@ cd build
 cmake -G "Visual Studio 11 Win64" ..
 
 And then do Build.
-Good luck!
+Good luck!
\ No newline at end of file
diff --git a/ReleaseNotes.txt b/ReleaseNotes.txt
index 7d6f152e2..3aa32a238 100644
--- a/ReleaseNotes.txt
+++ b/ReleaseNotes.txt
@@ -1,6 +1,12 @@
-Release notes -> BMR
+Bitmonero
 
-- forked for Bitmonero project
+Release notes 0.8.6
+
+- Simplwallet can set extra for transfers
+- Improvements in JSON RPC for wallet
+- UX improvements in simplewallet
+- Win32 compilation
+- Mac OSX compilation
 
 Release notes 0.8.5
 
@@ -28,4 +34,4 @@ Release notes 0.8.2
 
 Release notes 0.8.1
 
-Bytecoin project is moved to GitHub
+Bytecoin project is moved to GitHub
\ No newline at end of file
diff --git a/contrib/epee/include/net/http_client.h b/contrib/epee/include/net/http_client.h
index 7e6b52d9c..5897a017e 100644
--- a/contrib/epee/include/net/http_client.h
+++ b/contrib/epee/include/net/http_client.h
@@ -856,7 +856,7 @@ using namespace std;
       http::url_content u_c;
       bool res = parse_url(url, u_c);
 
-      if(!tr.is_connected())
+      if(!tr.is_connected() && !u_c.host.empty())
       {
         CHECK_AND_ASSERT_MES(res, false, "failed to parse url: " << url);
 
diff --git a/src/common/boost_serialization_helper.h b/src/common/boost_serialization_helper.h
index 74016ae75..0bf924802 100644
--- a/src/common/boost_serialization_helper.h
+++ b/src/common/boost_serialization_helper.h
@@ -14,15 +14,55 @@ namespace tools
   bool serialize_obj_to_file(t_object& obj, const std::string& file_path)
   {
     TRY_ENTRY();
+#if defined(_MSC_VER)
+    // Need to know HANDLE of file to call FlushFileBuffers
+    HANDLE data_file_handle = ::CreateFile(file_path.c_str(), GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
+    if (INVALID_HANDLE_VALUE == data_file_handle)
+      return false;
+
+    int data_file_descriptor = _open_osfhandle((intptr_t)data_file_handle, 0);
+    if (-1 == data_file_descriptor)
+    {
+      ::CloseHandle(data_file_handle);
+      return false;
+    }
+
+    FILE* data_file_file = _fdopen(data_file_descriptor, "wb");
+    if (0 == data_file_file)
+    {
+      // Call CloseHandle is not necessary
+      _close(data_file_descriptor);
+      return false;
+    }
+
+    // HACK: undocumented constructor, this code may not compile
+    std::ofstream data_file(data_file_file);
+    if (data_file.fail())
+    {
+      // Call CloseHandle and _close are not necessary
+      fclose(data_file_file);
+      return false;
+    }
+#else
     std::ofstream data_file;
-    data_file.open( file_path , std::ios_base::binary | std::ios_base::out| std::ios::trunc);
-    if(data_file.fail())
+    data_file.open(file_path , std::ios_base::binary | std::ios_base::out| std::ios::trunc);
+    if (data_file.fail())
       return false;
+#endif
 
     boost::archive::binary_oarchive a(data_file);
     a << obj;
+    if (data_file.fail())
+      return false;
 
-    return !data_file.fail();
+    data_file.flush();
+#if defined(_MSC_VER)
+    // To make sure the file is fully stored on disk
+    ::FlushFileBuffers(data_file_handle);
+    fclose(data_file_file);
+#endif
+
+    return true;
     CATCH_ENTRY_L0("serialize_obj_to_file", false);
   }
 
diff --git a/src/common/unordered_containers_boost_serialization.h b/src/common/unordered_containers_boost_serialization.h
index a29896ee7..84fa73b92 100644
--- a/src/common/unordered_containers_boost_serialization.h
+++ b/src/common/unordered_containers_boost_serialization.h
@@ -2,7 +2,7 @@
 // Distributed under the MIT/X11 software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
-#pragma once 
+#pragma once
 
 #include <boost/serialization/split_free.hpp>
 #include <unordered_map>
@@ -41,6 +41,35 @@ namespace boost
     }
 
 
+    template <class Archive, class h_key, class hval>
+    inline void save(Archive &a, const std::unordered_multimap<h_key, hval> &x, const boost::serialization::version_type ver)
+    {
+      size_t s = x.size();
+      a << s;
+      BOOST_FOREACH(auto& v, x)
+      {
+        a << v.first;
+        a << v.second;
+      }
+    }
+
+    template <class Archive, class h_key, class hval>
+    inline void load(Archive &a, std::unordered_multimap<h_key, hval> &x, const boost::serialization::version_type ver)
+    {
+      x.clear();
+      size_t s = 0;
+      a >> s;
+      for(size_t i = 0; i != s; i++)
+      {
+        h_key k;
+        hval v;
+        a >> k;
+        a >> v;
+        x.emplace(k, v);
+      }
+    }
+
+
     template <class Archive, class hval>
     inline void save(Archive &a, const std::unordered_set<hval> &x, const boost::serialization::version_type ver)
     {
@@ -73,6 +102,12 @@ namespace boost
       split_free(a, x, ver);
     }
 
+    template <class Archive, class h_key, class hval>
+    inline void serialize(Archive &a, std::unordered_multimap<h_key, hval> &x, const boost::serialization::version_type ver)
+    {
+      split_free(a, x, ver);
+    }
+
     template <class Archive, class hval>
     inline void serialize(Archive &a, std::unordered_set<hval> &x, const boost::serialization::version_type ver)
     {
diff --git a/src/common/util.h b/src/common/util.h
index af92adf94..8a1f4b041 100644
--- a/src/common/util.h
+++ b/src/common/util.h
@@ -52,7 +52,7 @@ namespace tools
 
   private:
 #if defined(WIN32)
-    static BOOL win_handler(DWORD type)
+    static BOOL WINAPI win_handler(DWORD type)
     {
       if (CTRL_C_EVENT == type || CTRL_BREAK_EVENT == type)
       {
diff --git a/src/cryptonote_core/blockchain_storage.cpp b/src/cryptonote_core/blockchain_storage.cpp
index c1b9619f2..0e20b454b 100644
--- a/src/cryptonote_core/blockchain_storage.cpp
+++ b/src/cryptonote_core/blockchain_storage.cpp
@@ -582,6 +582,42 @@ bool blockchain_storage::create_block_template(block& b, const account_public_ad
   if (!m_tx_pool.fill_block_template(b, median_size, already_generated_coins, txs_size, fee)) {
     return false;
   }
+#if defined(DEBUG_CREATE_BLOCK_TEMPLATE)
+  size_t real_txs_size = 0;
+  uint64_t real_fee = 0;
+  CRITICAL_REGION_BEGIN(m_tx_pool.m_transactions_lock);
+  BOOST_FOREACH(crypto::hash &cur_hash, b.tx_hashes) {
+    auto cur_res = m_tx_pool.m_transactions.find(cur_hash);
+    if (cur_res == m_tx_pool.m_transactions.end()) {
+      LOG_ERROR("Creating block template: error: transaction not found");
+      continue;
+    }
+    tx_memory_pool::tx_details &cur_tx = cur_res->second;
+    real_txs_size += cur_tx.blob_size;
+    real_fee += cur_tx.fee;
+    if (cur_tx.blob_size != get_object_blobsize(cur_tx.tx)) {
+      LOG_ERROR("Creating block template: error: invalid transaction size");
+    }
+    uint64_t inputs_amount;
+    if (!get_inputs_money_amount(cur_tx.tx, inputs_amount)) {
+      LOG_ERROR("Creating block template: error: cannot get inputs amount");
+    } else if (cur_tx.fee != inputs_amount - get_outs_money_amount(cur_tx.tx)) {
+      LOG_ERROR("Creating block template: error: invalid fee");
+    }
+  }
+  if (txs_size != real_txs_size) {
+    LOG_ERROR("Creating block template: error: wrongly calculated transaction size");
+  }
+  if (fee != real_fee) {
+    LOG_ERROR("Creating block template: error: wrongly calculated fee");
+  }
+  CRITICAL_REGION_END();
+  LOG_PRINT_L1("Creating block template: height " << height <<
+    ", median size " << median_size <<
+    ", already generated coins " << already_generated_coins <<
+    ", transaction size " << txs_size <<
+    ", fee " << fee);
+#endif
 
   /*
      two-phase miner transaction generation: we don't know exact block size until we prepare block, but we don't know reward until we know
@@ -590,27 +626,32 @@ bool blockchain_storage::create_block_template(block& b, const account_public_ad
   //make blocks coin-base tx looks close to real coinbase tx to get truthful blob size
   bool r = construct_miner_tx(height, median_size, already_generated_coins, txs_size, fee, miner_address, b.miner_tx, ex_nonce, 11);
   CHECK_AND_ASSERT_MES(r, false, "Failed to construc miner tx, first chance");
-#ifdef _DEBUG
-  std::list<size_t> try_val;
-  try_val.push_back(get_object_blobsize(b.miner_tx));
-#endif
-
   size_t cumulative_size = txs_size + get_object_blobsize(b.miner_tx);
+#if defined(DEBUG_CREATE_BLOCK_TEMPLATE)
+  LOG_PRINT_L1("Creating block template: miner tx size " << get_object_blobsize(b.miner_tx) <<
+    ", cumulative size " << cumulative_size);
+#endif
   for (size_t try_count = 0; try_count != 10; ++try_count) {
     r = construct_miner_tx(height, median_size, already_generated_coins, cumulative_size, fee, miner_address, b.miner_tx, ex_nonce, 11);
-#ifdef _DEBUG
-    try_val.push_back(get_object_blobsize(b.miner_tx));
-#endif
 
     CHECK_AND_ASSERT_MES(r, false, "Failed to construc miner tx, second chance");
     size_t coinbase_blob_size = get_object_blobsize(b.miner_tx);
     if (coinbase_blob_size > cumulative_size - txs_size) {
       cumulative_size = txs_size + coinbase_blob_size;
+#if defined(DEBUG_CREATE_BLOCK_TEMPLATE)
+      LOG_PRINT_L1("Creating block template: miner tx size " << coinbase_blob_size <<
+        ", cumulative size " << cumulative_size << " is greater then before");
+#endif
       continue;
     }
 
     if (coinbase_blob_size < cumulative_size - txs_size) {
       size_t delta = cumulative_size - txs_size - coinbase_blob_size;
+#if defined(DEBUG_CREATE_BLOCK_TEMPLATE)
+      LOG_PRINT_L1("Creating block template: miner tx size " << coinbase_blob_size <<
+        ", cumulative size " << txs_size + coinbase_blob_size <<
+        " is less then before, adding " << delta << " zero bytes");
+#endif
       b.miner_tx.extra.insert(b.miner_tx.extra.end(), delta, 0);
       //here  could be 1 byte difference, because of extra field counter is varint, and it can become from 1-byte len to 2-bytes len.
       if (cumulative_size != txs_size + get_object_blobsize(b.miner_tx)) {
@@ -626,6 +667,10 @@ bool blockchain_storage::create_block_template(block& b, const account_public_ad
       }
     }
     CHECK_AND_ASSERT_MES(cumulative_size == txs_size + get_object_blobsize(b.miner_tx), false, "unexpected case: cumulative_size=" << cumulative_size << " is not equal txs_cumulative_size=" << txs_size << " + get_object_blobsize(b.miner_tx)=" << get_object_blobsize(b.miner_tx));
+#if defined(DEBUG_CREATE_BLOCK_TEMPLATE)
+    LOG_PRINT_L1("Creating block template: miner tx size " << coinbase_blob_size <<
+      ", cumulative size " << cumulative_size << " is now good");
+#endif
     return true;
   }
   LOG_ERROR("Failed to create_block_template with " << 10 << " tries");
@@ -1603,4 +1648,4 @@ bool blockchain_storage::add_new_block(const block& bl_, block_verification_cont
   }
 
   return handle_block_to_main_chain(bl, id, bvc);
-}
+}
\ No newline at end of file
diff --git a/src/cryptonote_core/checkpoints_create.h b/src/cryptonote_core/checkpoints_create.h
index 8dff85d84..304096ef2 100644
--- a/src/cryptonote_core/checkpoints_create.h
+++ b/src/cryptonote_core/checkpoints_create.h
@@ -11,7 +11,8 @@
 
 namespace cryptonote {
   inline bool create_checkpoints(cryptonote::checkpoints& checkpoints)
-  {
+  {      
+    ADD_CHECKPOINT(22231, "d69526de16c58b07058bd80a9a8c99389814d17b1935623223b0d6e4a311b80f");
     return true;
   }
 }
diff --git a/src/cryptonote_core/cryptonote_format_utils.cpp b/src/cryptonote_core/cryptonote_format_utils.cpp
index a231f9c75..aa2c82b2a 100644
--- a/src/cryptonote_core/cryptonote_format_utils.cpp
+++ b/src/cryptonote_core/cryptonote_format_utils.cpp
@@ -61,8 +61,8 @@ namespace cryptonote
 
     keypair txkey = keypair::generate();
     add_tx_pub_key_to_extra(tx, txkey.pub);
-    if(extra_nonce.size())
-      if(!add_tx_extra_nonce(tx, extra_nonce))
+    if(!extra_nonce.empty())
+      if(!add_extra_nonce_to_tx_extra(tx.extra, extra_nonce))
         return false;
 
     txin_gen in;
@@ -74,6 +74,10 @@ namespace cryptonote
       LOG_PRINT_L0("Block is too big");
       return false;
     }
+#if defined(DEBUG_CREATE_BLOCK_TEMPLATE)
+    LOG_PRINT_L1("Creating block template: reward " << block_reward <<
+      ", fee " << fee)
+#endif
     block_reward += fee;
 
     std::vector<size_t> out_amounts;
@@ -204,53 +208,52 @@ namespace cryptonote
     return r;
   }
   //---------------------------------------------------------------
-  crypto::public_key get_tx_pub_key_from_extra(const transaction& tx)
+  bool parse_tx_extra(const std::vector<uint8_t>& tx_extra, std::vector<tx_extra_field>& tx_extra_fields)
   {
-    crypto::public_key pk = null_pkey;
-    parse_and_validate_tx_extra(tx, pk);
-    return pk;
-  }
-  //---------------------------------------------------------------
-  bool parse_and_validate_tx_extra(const transaction& tx, crypto::public_key& tx_pub_key)
-  {
-    tx_pub_key = null_pkey;
-    bool padding_started = false; //let the padding goes only at the end
-    bool tx_extra_tag_pubkey_found = false;
-    bool tx_extra_extra_nonce_found = false;
-    for(size_t i = 0; i != tx.extra.size();)
+    tx_extra_fields.clear();
+
+    if(tx_extra.empty())
+      return true;
+
+    std::string extra_str(reinterpret_cast<const char*>(tx_extra.data()), tx_extra.size());
+    std::istringstream iss(extra_str);
+    binary_archive<false> ar(iss);
+
+    bool eof = false;
+    while (!eof)
     {
-      if(padding_started)
-      {
-        CHECK_AND_ASSERT_MES(!tx.extra[i], false, "Failed to parse transaction extra (not 0 after padding) in tx " << get_transaction_hash(tx));
-      }
-      else if(tx.extra[i] == TX_EXTRA_TAG_PUBKEY)
-      {
-        CHECK_AND_ASSERT_MES(sizeof(crypto::public_key) <= tx.extra.size()-1-i, false, "Failed to parse transaction extra (TX_EXTRA_TAG_PUBKEY have not enough bytes) in tx " << get_transaction_hash(tx));
-        CHECK_AND_ASSERT_MES(!tx_extra_tag_pubkey_found, false, "Failed to parse transaction extra (duplicate TX_EXTRA_TAG_PUBKEY entry) in tx " << get_transaction_hash(tx));
-        tx_pub_key = *reinterpret_cast<const crypto::public_key*>(&tx.extra[i+1]);
-        i += 1 + sizeof(crypto::public_key);
-        tx_extra_tag_pubkey_found = true;
-        continue;
-      }else if(tx.extra[i] == TX_EXTRA_NONCE)
-      {
-        //CHECK_AND_ASSERT_MES(is_coinbase(tx), false, "Failed to parse transaction extra (TX_EXTRA_NONCE can be only in coinbase) in tx " << get_transaction_hash(tx));
-        CHECK_AND_ASSERT_MES(!tx_extra_extra_nonce_found, false, "Failed to parse transaction extra (duplicate TX_EXTRA_NONCE entry) in tx " << get_transaction_hash(tx));
-        CHECK_AND_ASSERT_MES(tx.extra.size()-1-i >= 1, false, "Failed to parse transaction extra (TX_EXTRA_NONCE have not enough bytes) in tx " << get_transaction_hash(tx));
-        ++i;
-        CHECK_AND_ASSERT_MES(tx.extra.size()-1-i >= tx.extra[i], false, "Failed to parse transaction extra (TX_EXTRA_NONCE have wrong bytes counter) in tx " << get_transaction_hash(tx));
-        tx_extra_extra_nonce_found = true;
-        i += tx.extra[i];//actually don't need to extract it now, just skip
-      }
-      else if(!tx.extra[i])
-      {
-        padding_started = true;
-        continue;
-      }
-      ++i;
+      tx_extra_field field;
+      bool r = ::do_serialize(ar, field);
+      CHECK_AND_NO_ASSERT_MES(r, false, "failed to deserialize extra field. extra = " << string_tools::buff_to_hex_nodelimer(std::string(reinterpret_cast<const char*>(tx_extra.data()), tx_extra.size())));
+      tx_extra_fields.push_back(field);
+
+      std::ios_base::iostate state = iss.rdstate();
+      eof = (EOF == iss.peek());
+      iss.clear(state);
     }
+    CHECK_AND_NO_ASSERT_MES(::serialization::check_stream_state(ar), false, "failed to deserialize extra field. extra = " << string_tools::buff_to_hex_nodelimer(std::string(reinterpret_cast<const char*>(tx_extra.data()), tx_extra.size())));
+
     return true;
   }
   //---------------------------------------------------------------
+  crypto::public_key get_tx_pub_key_from_extra(const std::vector<uint8_t>& tx_extra)
+  {
+    std::vector<tx_extra_field> tx_extra_fields;
+    if (!parse_tx_extra(tx_extra, tx_extra_fields))
+      return null_pkey;
+
+    tx_extra_pub_key pub_key_field;
+    if(!find_tx_extra_field_by_type(tx_extra_fields, pub_key_field))
+      return null_pkey;
+
+    return pub_key_field.pub_key;
+  }
+  //---------------------------------------------------------------
+  crypto::public_key get_tx_pub_key_from_extra(const transaction& tx)
+  {
+    return get_tx_pub_key_from_extra(tx.extra);
+  }
+  //---------------------------------------------------------------
   bool add_tx_pub_key_to_extra(transaction& tx, const crypto::public_key& tx_pub_key)
   {
     tx.extra.resize(tx.extra.size() + 1 + sizeof(crypto::public_key));
@@ -259,32 +262,50 @@ namespace cryptonote
     return true;
   }
   //---------------------------------------------------------------
-  bool add_tx_extra_nonce(transaction& tx, const blobdata& extra_nonce)
+  bool add_extra_nonce_to_tx_extra(std::vector<uint8_t>& tx_extra, const blobdata& extra_nonce)
   {
-    CHECK_AND_ASSERT_MES(extra_nonce.size() <=255, false, "extra nonce could be 255 bytes max");
-    size_t start_pos = tx.extra.size();
-    tx.extra.resize(tx.extra.size() + 2 + extra_nonce.size());
+    CHECK_AND_ASSERT_MES(extra_nonce.size() <= TX_EXTRA_NONCE_MAX_COUNT, false, "extra nonce could be 255 bytes max");
+    size_t start_pos = tx_extra.size();
+    tx_extra.resize(tx_extra.size() + 2 + extra_nonce.size());
     //write tag
-    tx.extra[start_pos] = TX_EXTRA_NONCE;
+    tx_extra[start_pos] = TX_EXTRA_NONCE;
     //write len
     ++start_pos;
-    tx.extra[start_pos] = static_cast<uint8_t>(extra_nonce.size());
+    tx_extra[start_pos] = static_cast<uint8_t>(extra_nonce.size());
     //write data
     ++start_pos;
-    memcpy(&tx.extra[start_pos], extra_nonce.data(), extra_nonce.size());
+    memcpy(&tx_extra[start_pos], extra_nonce.data(), extra_nonce.size());
+    return true;
+  }
+  //---------------------------------------------------------------
+  void set_payment_id_to_tx_extra_nonce(blobdata& extra_nonce, const crypto::hash& payment_id)
+  {
+    extra_nonce.clear();
+    extra_nonce.push_back(TX_EXTRA_NONCE_PAYMENT_ID);
+    const uint8_t* payment_id_ptr = reinterpret_cast<const uint8_t*>(&payment_id);
+    std::copy(payment_id_ptr, payment_id_ptr + sizeof(payment_id), std::back_inserter(extra_nonce));
+  }
+  //---------------------------------------------------------------
+  bool get_payment_id_from_tx_extra_nonce(const blobdata& extra_nonce, crypto::hash& payment_id)
+  {
+    if(sizeof(crypto::hash) + 1 != extra_nonce.size())
+      return false;
+    if(TX_EXTRA_NONCE_PAYMENT_ID != extra_nonce[0])
+      return false;
+    payment_id = *reinterpret_cast<const crypto::hash*>(extra_nonce.data() + 1);
     return true;
   }
   //---------------------------------------------------------------
-  bool construct_tx(const account_keys& sender_account_keys, const std::vector<tx_source_entry>& sources, const std::vector<tx_destination_entry>& destinations, transaction& tx, uint64_t unlock_time)
+  bool construct_tx(const account_keys& sender_account_keys, const std::vector<tx_source_entry>& sources, const std::vector<tx_destination_entry>& destinations, std::vector<uint8_t> extra, transaction& tx, uint64_t unlock_time)
   {
     tx.vin.clear();
     tx.vout.clear();
     tx.signatures.clear();
-    tx.extra.clear();
 
     tx.version = CURRENT_TRANSACTION_VERSION;
     tx.unlock_time = unlock_time;
 
+    tx.extra = extra;
     keypair txkey = keypair::generate();
     add_tx_pub_key_to_extra(tx, txkey.pub);
 
@@ -506,7 +527,10 @@ namespace cryptonote
   //---------------------------------------------------------------
   bool lookup_acc_outs(const account_keys& acc, const transaction& tx, std::vector<size_t>& outs, uint64_t& money_transfered)
   {
-    return lookup_acc_outs(acc, tx, get_tx_pub_key_from_extra(tx), outs, money_transfered);
+    crypto::public_key tx_pub_key = get_tx_pub_key_from_extra(tx);
+    if(null_pkey == tx_pub_key)
+      return false;
+    return lookup_acc_outs(acc, tx, tx_pub_key, outs, money_transfered);
   }
   //---------------------------------------------------------------
   bool lookup_acc_outs(const account_keys& acc, const transaction& tx, const crypto::public_key& tx_pub_key, std::vector<size_t>& outs, uint64_t& money_transfered)
@@ -594,6 +618,7 @@ namespace cryptonote
     //genesis block
     bl = boost::value_initialized<block>();
 
+
     account_public_address ac = boost::value_initialized<account_public_address>();
     std::vector<size_t> sz;
     construct_miner_tx(0, 0, 0, 0, 0, ac, bl.miner_tx); // zero fee in genesis
@@ -601,16 +626,16 @@ namespace cryptonote
     std::string hex_tx_represent = string_tools::buff_to_hex_nodelimer(txb);
 
     //hard code coinbase tx in genesis block, because "tru" generating tx use random, but genesis should be always the same
-    std::string genesis_coinbase_tx_hex = "013c01ff0001ffffffffffff03029b2e4c0281c0b02e7c53291a94d1d0cbff8883f8024f5142ee494ffbbd08807121017767aafcde9be00dcfd098715ebcf7f410daebc582fda69d24a28e9d0bc890d1";
+    std::string genesis_coinbase_tx_hex = "010a01ff0001ffffffffffff0f029b2e4c0281c0b02e7c53291a94d1d0cbff8883f8024f5142ee494ffbbd08807121013c086a48c15fb637a96991bc6d53caf77068b5ba6eeb3c82357228c49790584a";
 
     blobdata tx_bl;
     string_tools::parse_hexstr_to_binbuff(genesis_coinbase_tx_hex, tx_bl);
     bool r = parse_and_validate_tx_from_blob(tx_bl, bl.miner_tx);
     CHECK_AND_ASSERT_MES(r, false, "failed to parse coinbase tx from hard coded blob");
-    bl.major_version = 1;
-    bl.minor_version = 0;
+    bl.major_version = CURRENT_BLOCK_MAJOR_VERSION;
+    bl.minor_version = CURRENT_BLOCK_MINOR_VERSION;
     bl.timestamp = 0;
-    bl.nonce = 10000;
+    bl.nonce = 70;
     miner::find_nonce_for_given_block(bl, 1, 0);
     return true;
   }
diff --git a/src/cryptonote_core/cryptonote_format_utils.h b/src/cryptonote_core/cryptonote_format_utils.h
index 5873d2943..138fb5224 100644
--- a/src/cryptonote_core/cryptonote_format_utils.h
+++ b/src/cryptonote_core/cryptonote_format_utils.h
@@ -41,11 +41,26 @@ namespace cryptonote
   };
 
   //---------------------------------------------------------------
-  bool construct_tx(const account_keys& sender_account_keys, const std::vector<tx_source_entry>& sources, const std::vector<tx_destination_entry>& destinations, transaction& tx, uint64_t unlock_time);
-  bool parse_and_validate_tx_extra(const transaction& tx, crypto::public_key& tx_pub_key);
+  bool construct_tx(const account_keys& sender_account_keys, const std::vector<tx_source_entry>& sources, const std::vector<tx_destination_entry>& destinations, std::vector<uint8_t> extra, transaction& tx, uint64_t unlock_time);
+
+  template<typename T>
+  bool find_tx_extra_field_by_type(const std::vector<tx_extra_field>& tx_extra_fields, T& field)
+  {
+    auto it = std::find_if(tx_extra_fields.begin(), tx_extra_fields.end(), [](const tx_extra_field& f) { return typeid(T) == f.type(); });
+    if(tx_extra_fields.end() == it)
+      return false;
+
+    field = boost::get<T>(*it);
+    return true;
+  }
+
+  bool parse_tx_extra(const std::vector<uint8_t>& tx_extra, std::vector<tx_extra_field>& tx_extra_fields);
+  crypto::public_key get_tx_pub_key_from_extra(const std::vector<uint8_t>& tx_extra);
   crypto::public_key get_tx_pub_key_from_extra(const transaction& tx);
   bool add_tx_pub_key_to_extra(transaction& tx, const crypto::public_key& tx_pub_key);
-  bool add_tx_extra_nonce(transaction& tx, const blobdata& extra_nonce);
+  bool add_extra_nonce_to_tx_extra(std::vector<uint8_t>& tx_extra, const blobdata& extra_nonce);
+  void set_payment_id_to_tx_extra_nonce(blobdata& extra_nonce, const crypto::hash& payment_id);
+  bool get_payment_id_from_tx_extra_nonce(const blobdata& extra_nonce, crypto::hash& payment_id);
   bool is_out_to_acc(const account_keys& acc, const txout_to_key& out_key, const crypto::public_key& tx_pub_key, size_t output_index);
   bool lookup_acc_outs(const account_keys& acc, const transaction& tx, const crypto::public_key& tx_pub_key, std::vector<size_t>& outs, uint64_t& money_transfered);
   bool lookup_acc_outs(const account_keys& acc, const transaction& tx, std::vector<size_t>& outs, uint64_t& money_transfered);
diff --git a/src/cryptonote_core/difficulty.cpp b/src/cryptonote_core/difficulty.cpp
index 052f46662..3dde6ad6c 100644
--- a/src/cryptonote_core/difficulty.cpp
+++ b/src/cryptonote_core/difficulty.cpp
@@ -24,7 +24,7 @@ namespace cryptonote {
 #include <winnt.h>
 
   static inline void mul(uint64_t a, uint64_t b, uint64_t &low, uint64_t &high) {
-    low = UnsignedMultiply128(a, b, &high);
+    low = mul128(a, b, &high);
   }
 
 #else
diff --git a/src/cryptonote_core/tx_extra.h b/src/cryptonote_core/tx_extra.h
index 7e27cbc7f..8cff085dc 100644
--- a/src/cryptonote_core/tx_extra.h
+++ b/src/cryptonote_core/tx_extra.h
@@ -2,10 +2,93 @@
 // Distributed under the MIT/X11 software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
-#pragma once 
+#pragma once
 
 
+#define TX_EXTRA_PADDING_MAX_COUNT          255
+#define TX_EXTRA_NONCE_MAX_COUNT            255
 
-#define TX_EXTRA_PADDING_MAX_COUNT          40
+#define TX_EXTRA_TAG_PADDING                0x00
 #define TX_EXTRA_TAG_PUBKEY                 0x01
 #define TX_EXTRA_NONCE                      0x02
+
+#define TX_EXTRA_NONCE_PAYMENT_ID           0x00
+
+namespace cryptonote
+{
+  struct tx_extra_padding
+  {
+    size_t size;
+
+    // load
+    template <template <bool> class Archive>
+    bool do_serialize(Archive<false>& ar)
+    {
+      // size - 1 - because of variant tag
+      for (size = 1; size <= TX_EXTRA_PADDING_MAX_COUNT; ++size)
+      {
+        std::ios_base::iostate state = ar.stream().rdstate();
+        bool eof = EOF == ar.stream().peek();
+        ar.stream().clear(state);
+
+        if (eof)
+          break;
+
+        uint8_t zero;
+        if (!::do_serialize(ar, zero))
+          return false;
+
+        if (0 != zero)
+          return false;
+      }
+
+      return size <= TX_EXTRA_PADDING_MAX_COUNT;
+    }
+
+    // store
+    template <template <bool> class Archive>
+    bool do_serialize(Archive<true>& ar)
+    {
+      if(TX_EXTRA_PADDING_MAX_COUNT < size)
+        return false;
+
+      // i = 1 - because of variant tag
+      for (size_t i = 1; i < size; ++i)
+      {
+        uint8_t zero = 0;
+        if (!::do_serialize(ar, zero))
+          return false;
+      }
+      return true;
+    }
+  };
+
+  struct tx_extra_pub_key
+  {
+    crypto::public_key pub_key;
+
+    BEGIN_SERIALIZE()
+      FIELD(pub_key)
+    END_SERIALIZE()
+  };
+
+  struct tx_extra_nonce
+  {
+    std::string nonce;
+
+    BEGIN_SERIALIZE()
+      FIELD(nonce)
+      if(TX_EXTRA_NONCE_MAX_COUNT < nonce.size()) return false;
+    END_SERIALIZE()
+  };
+
+  // tx_extra_field format, except tx_extra_padding and tx_extra_pub_key:
+  //   varint tag;
+  //   varint size;
+  //   varint data[];
+  typedef boost::variant<tx_extra_padding, tx_extra_pub_key, tx_extra_nonce> tx_extra_field;
+}
+
+VARIANT_TAG(binary_archive, cryptonote::tx_extra_padding, TX_EXTRA_TAG_PADDING);
+VARIANT_TAG(binary_archive, cryptonote::tx_extra_pub_key, TX_EXTRA_TAG_PUBKEY);
+VARIANT_TAG(binary_archive, cryptonote::tx_extra_nonce, TX_EXTRA_NONCE);
diff --git a/src/cryptonote_core/tx_pool.h b/src/cryptonote_core/tx_pool.h
index 3ac1331bd..3978dfb96 100644
--- a/src/cryptonote_core/tx_pool.h
+++ b/src/cryptonote_core/tx_pool.h
@@ -141,6 +141,9 @@ namespace cryptonote
       uint64_t operator()(const txin_to_scripthash& tx) const {return 0;}
     };
 
+#if defined(DEBUG_CREATE_BLOCK_TEMPLATE)
+    friend class blockchain_storage;
+#endif
   };
 }
 
diff --git a/src/miner/simpleminer.cpp b/src/miner/simpleminer.cpp
index a9f0ceab0..3af04954f 100644
--- a/src/miner/simpleminer.cpp
+++ b/src/miner/simpleminer.cpp
@@ -120,6 +120,7 @@ namespace mining
         COMMAND_RPC_LOGIN::request req = AUTO_VAL_INIT(req);
         req.login = m_login;
         req.pass = m_pass;
+        req.agent = "simpleminer/0.1";
         COMMAND_RPC_LOGIN::response resp = AUTO_VAL_INIT(resp);
         if(!epee::net_utils::invoke_http_json_rpc<mining::COMMAND_RPC_LOGIN>("/", req, resp, m_http_client))
         {
@@ -137,7 +138,12 @@ namespace mining
         }
         pool_session_id = resp.id;
         //78
-        if(!text_job_details_to_native_job_details(resp.job, job))
+        if (resp.job.blob.empty() && resp.job.target.empty() && resp.job.job_id.empty())
+        {
+            LOG_PRINT_L0("Job didn't change");
+            continue;
+        }
+        else if(!text_job_details_to_native_job_details(resp.job, job))
         {
           LOG_PRINT_L0("Failed to text_job_details_to_native_job_details(), disconnect and sleep....");
           m_http_client.disconnect();
@@ -161,7 +167,8 @@ namespace mining
           COMMAND_RPC_SUBMITSHARE::response submit_response = AUTO_VAL_INIT(submit_response);
           submit_request.id     = pool_session_id;
           submit_request.job_id = job.job_id;
-          submit_request.nonce  = epee::string_tools::pod_to_hex((*((uint32_t*)&job.blob.data()[78])));
+          submit_request.nonce  = epee::string_tools::pod_to_hex((*((uint32_t*)&job.blob.data()[39])));
+          submit_request.result = epee::string_tools::pod_to_hex(h);
           LOG_PRINT_L0("Share found: nonce=" << submit_request.nonce << " for job=" << job.job_id << ", submitting...");
           if(!epee::net_utils::invoke_http_json_rpc<mining::COMMAND_RPC_SUBMITSHARE>("/", submit_request, submit_response, m_http_client))
           {
@@ -193,7 +200,12 @@ namespace mining
         epee::misc_utils::sleep_no_w(1000);
         break;
       }
-      if(!text_job_details_to_native_job_details(getjob_response, job))
+      if (getjob_response.blob.empty() && getjob_response.target.empty() && getjob_response.job_id.empty())
+      {
+        LOG_PRINT_L0("Job didn't change");
+        continue;
+      }
+      else if(!text_job_details_to_native_job_details(getjob_response, job))
       {
         LOG_PRINT_L0("Failed to text_job_details_to_native_job_details(), disconnect and sleep....");
         m_http_client.disconnect();
diff --git a/src/miner/simpleminer_protocol_defs.h b/src/miner/simpleminer_protocol_defs.h
index 9b70f8cbf..06b6a9053 100644
--- a/src/miner/simpleminer_protocol_defs.h
+++ b/src/miner/simpleminer_protocol_defs.h
@@ -36,10 +36,12 @@ namespace mining
     {
       std::string login;
       std::string pass;
+      std::string agent;
 
       BEGIN_KV_SERIALIZE_MAP()
         KV_SERIALIZE(login)
         KV_SERIALIZE(pass)
+        KV_SERIALIZE(agent)
       END_KV_SERIALIZE_MAP()
     };
 
@@ -82,11 +84,13 @@ namespace mining
     {
       std::string id;
       std::string nonce;
+      std::string result;
       std::string job_id;
 
       BEGIN_KV_SERIALIZE_MAP()
         KV_SERIALIZE(id)
         KV_SERIALIZE(nonce)
+        KV_SERIALIZE(result)
         KV_SERIALIZE(job_id)
       END_KV_SERIALIZE_MAP()
     };
diff --git a/src/rpc/core_rpc_server.cpp b/src/rpc/core_rpc_server.cpp
index 4d78367b6..631fb5cf8 100644
--- a/src/rpc/core_rpc_server.cpp
+++ b/src/rpc/core_rpc_server.cpp
@@ -2,7 +2,6 @@
 // Distributed under the MIT/X11 software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
-
 #include <boost/foreach.hpp>
 #include "include_base_utils.h"
 using namespace epee;
@@ -359,8 +358,7 @@ namespace cryptonote
       return false;
     }
     blobdata block_blob = t_serializable_object_to_blob(b);
-    crypto::public_key tx_pub_key = null_pkey;
-    cryptonote::parse_and_validate_tx_extra(b.miner_tx, tx_pub_key);
+    crypto::public_key tx_pub_key = cryptonote::get_tx_pub_key_from_extra(b.miner_tx);
     if(tx_pub_key == null_pkey)
     {
       error_resp.code = CORE_RPC_ERROR_CODE_INTERNAL_ERROR;
diff --git a/src/serialization/serialization.h b/src/serialization/serialization.h
index d1c6f7f63..2d78baf3a 100644
--- a/src/serialization/serialization.h
+++ b/src/serialization/serialization.h
@@ -122,7 +122,7 @@ namespace serialization {
       {
         std::ios_base::iostate state = s.rdstate();
         result = EOF == s.peek();
-        s.setstate(state);
+        s.clear(state);
       }
       return result;
     }
diff --git a/src/simplewallet/simplewallet.cpp b/src/simplewallet/simplewallet.cpp
index a9c171f6b..919782ab6 100644
--- a/src/simplewallet/simplewallet.cpp
+++ b/src/simplewallet/simplewallet.cpp
@@ -64,6 +64,19 @@ namespace
     return err;
   }
 
+  bool parse_payment_id(const std::string& payment_id_str, crypto::hash& payment_id)
+  {
+    blobdata payment_id_data;
+    if(!string_tools::parse_hexstr_to_binbuff(payment_id_str, payment_id_data))
+      return false;
+
+    if(sizeof(crypto::hash) != payment_id_data.size())
+      return false;
+
+    payment_id = *reinterpret_cast<const crypto::hash*>(payment_id_data.data());
+    return true;
+  }
+
   class message_writer
   {
   public:
@@ -83,7 +96,7 @@ namespace
       , m_oss(std::move(rhs.m_oss))
 #else
       // GCC bug: http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54316
-      , m_oss(rhs.m_oss.str(), ios_base::out | ios_base::ate) 
+      , m_oss(rhs.m_oss.str(), ios_base::out | ios_base::ate)
 #endif
       , m_color(std::move(rhs.m_color))
       , m_log_level(std::move(rhs.m_log_level))
@@ -171,8 +184,9 @@ simple_wallet::simple_wallet()
   m_cmd_binder.set_handler("refresh", boost::bind(&simple_wallet::refresh, this, _1), "Resynchronize transactions and balance");
   m_cmd_binder.set_handler("balance", boost::bind(&simple_wallet::show_balance, this, _1), "Show current wallet balance");
   m_cmd_binder.set_handler("incoming_transfers", boost::bind(&simple_wallet::show_incoming_transfers, this, _1), "incoming_transfers [available|unavailable] - Show incoming transfers - all of them or filter them by availability");
+  m_cmd_binder.set_handler("payments", boost::bind(&simple_wallet::show_payments, this, _1), "payments <payment_id_1> [<payment_id_2> ... <payment_id_N>] - Show payments <payment_id_1>, ... <payment_id_N>");
   m_cmd_binder.set_handler("bc_height", boost::bind(&simple_wallet::show_blockchain_height, this, _1), "Show blockchain height");
-  m_cmd_binder.set_handler("transfer", boost::bind(&simple_wallet::transfer, this, _1), "transfer <mixin_count> <addr_1> <amount_1> [<addr_2> <amount_2> ... <addr_N> <amount_N>] - Transfer <amount_1>,... <amount_N> to <address_1>,... <address_N>, respectively. <mixin_count> is the number of transactions yours is indistinguishable from (from 0 to maximum available)");
+  m_cmd_binder.set_handler("transfer", boost::bind(&simple_wallet::transfer, this, _1), "transfer <mixin_count> <addr_1> <amount_1> [<addr_2> <amount_2> ... <addr_N> <amount_N>] [payment_id] - Transfer <amount_1>,... <amount_N> to <address_1>,... <address_N>, respectively. <mixin_count> is the number of transactions yours is indistinguishable from (from 0 to maximum available)");
   m_cmd_binder.set_handler("set_log", boost::bind(&simple_wallet::set_log, this, _1), "set_log <level> - Change current log detalization level, <level> is a number 0-4");
   m_cmd_binder.set_handler("address", boost::bind(&simple_wallet::print_address, this, _1), "Show current wallet public address");
   m_cmd_binder.set_handler("save", boost::bind(&simple_wallet::save, this, _1), "Save wallet synchronized data");
@@ -181,7 +195,7 @@ simple_wallet::simple_wallet()
 //----------------------------------------------------------------------------------------------------
 bool simple_wallet::set_log(const std::vector<std::string> &args)
 {
-  if(args.size() != 1) 
+  if(args.size() != 1)
   {
     fail_msg_writer() << "use: set_log <log_level_number_0-4>";
     return true;
@@ -202,6 +216,43 @@ bool simple_wallet::set_log(const std::vector<std::string> &args)
   return true;
 }
 //----------------------------------------------------------------------------------------------------
+bool simple_wallet::ask_wallet_create_if_needed()
+{
+  std::string wallet_path;
+
+  std::cout << "Specify wallet file name (e.g., wallet.bin). If the wallet doesn't exist, it will be created.\n";
+  std::cout << "Wallet file name: ";
+
+  std::getline(std::cin, wallet_path);
+
+  wallet_path = string_tools::trim(wallet_path);
+
+  bool keys_file_exists;
+  bool wallet_file_exitst;
+  tools::wallet2::wallet_exists(wallet_path, keys_file_exists, wallet_file_exitst);
+
+  bool r;
+  if(keys_file_exists)
+  {
+    m_wallet_file = wallet_path;
+    r = true;
+  }else
+  {
+    if(!wallet_file_exitst)
+    {
+      std::cout << "The wallet doesn't exist, generating new one" << std::endl;
+      m_generate_new = wallet_path;
+      r = true;
+    }else
+    {
+      fail_msg_writer() << "failed to open wallet \"" << wallet_path << "\". Keys file wasn't found";
+      r = false;
+    }
+  }
+
+  return r;
+}
+//----------------------------------------------------------------------------------------------------
 bool simple_wallet::init(const boost::program_options::variables_map& vm)
 {
   handle_command_line(vm);
@@ -212,13 +263,13 @@ bool simple_wallet::init(const boost::program_options::variables_map& vm)
     return false;
   }
 
-  size_t c = 0; 
+  size_t c = 0;
   if(!m_generate_new.empty()) ++c;
   if(!m_wallet_file.empty()) ++c;
   if (1 != c)
   {
-    fail_msg_writer() << "you must specify --wallet-file or --generate-new-wallet params";
-    return false;
+    if(!ask_wallet_create_if_needed())
+      return false;
   }
 
   if (m_daemon_host.empty())
@@ -463,6 +514,15 @@ void simple_wallet::on_money_spent(uint64_t height, const cryptonote::transactio
   m_refresh_progress_reporter.update(height, true);
 }
 //----------------------------------------------------------------------------------------------------
+void simple_wallet::on_skip_transaction(uint64_t height, const cryptonote::transaction& tx)
+{
+  message_writer(epee::log_space::console_color_red, true) <<
+    "Height " << height <<
+    ", transaction " << get_transaction_hash(tx) <<
+    ", unsupported transaction format";
+  m_refresh_progress_reporter.update(height, true);
+}
+//----------------------------------------------------------------------------------------------------
 bool simple_wallet::refresh(const std::vector<std::string>& args)
 {
   if (!try_connect_to_daemon())
@@ -587,6 +647,55 @@ bool simple_wallet::show_incoming_transfers(const std::vector<std::string>& args
   return true;
 }
 //----------------------------------------------------------------------------------------------------
+bool simple_wallet::show_payments(const std::vector<std::string> &args)
+{
+  if(args.empty())
+  {
+    fail_msg_writer() << "expected at least one payment_id";
+    return true;
+  }
+
+  message_writer() << "                            payment                             \t" <<
+    "                          transaction                           \t" <<
+    "  height\t       amount        \tunlock time";
+
+  bool payments_found = false;
+  for(std::string arg : args)
+  {
+    crypto::hash payment_id;
+    if(parse_payment_id(arg, payment_id))
+    {
+      std::list<tools::wallet2::payment_details> payments;
+      m_wallet->get_payments(payment_id, payments);
+      if(payments.empty())
+      {
+        success_msg_writer() << "No payments with id " << payment_id;
+        continue;
+      }
+
+      for (const tools::wallet2::payment_details& pd : payments)
+      {
+        if(!payments_found)
+        {
+          payments_found = true;
+        }
+        success_msg_writer(true) <<
+          payment_id << '\t' <<
+          pd.m_tx_hash << '\t' <<
+          std::setw(8)  << pd.m_block_height << '\t' <<
+          std::setw(21) << print_money(pd.m_amount) << '\t' <<
+          pd.m_unlock_time;
+      }
+    }
+    else
+    {
+      fail_msg_writer() << "payment id has invalid format: \"" << arg << "\", expected 64-character string";
+    }
+  }
+
+  return true;
+}
+//----------------------------------------------------------------------------------------------------
 uint64_t simple_wallet::get_daemon_blockchain_height(std::string& err)
 {
   COMMAND_RPC_GET_HEIGHT::request req;
@@ -628,20 +737,37 @@ bool simple_wallet::transfer(const std::vector<std::string> &args_)
     fail_msg_writer() << "mixin_count should be non-negative integer, got " << local_args[0];
     return true;
   }
+  local_args.erase(local_args.begin());
 
-  vector<cryptonote::tx_destination_entry> dsts;
-  for (size_t i = 1; i < local_args.size(); i += 2) 
+  std::vector<uint8_t> extra;
+  if (1 == local_args.size() % 2)
   {
-    cryptonote::tx_destination_entry de;
-    if(!get_account_address_from_str(de.addr, local_args[i]))
+    std::string payment_id_str = local_args.back();
+    local_args.pop_back();
+
+    crypto::hash payment_id;
+    bool r = parse_payment_id(payment_id_str, payment_id);
+    if(r)
     {
-      fail_msg_writer() << "wrong address: " << local_args[i];
+      std::string extra_nonce;
+      set_payment_id_to_tx_extra_nonce(extra_nonce, payment_id);
+      r = add_extra_nonce_to_tx_extra(extra, extra_nonce);
+    }
+
+    if(!r)
+    {
+      fail_msg_writer() << "payment id has invalid format: \"" << payment_id_str << "\", expected 64-character string";
       return true;
     }
+  }
 
-    if (local_args.size() <= i + 1)
+  vector<cryptonote::tx_destination_entry> dsts;
+  for (size_t i = 0; i < local_args.size(); i += 2)
+  {
+    cryptonote::tx_destination_entry de;
+    if(!get_account_address_from_str(de.addr, local_args[i]))
     {
-      fail_msg_writer() << "amount for the last address " << local_args[i] << " is not specified";
+      fail_msg_writer() << "wrong address: " << local_args[i];
       return true;
     }
 
@@ -659,7 +785,7 @@ bool simple_wallet::transfer(const std::vector<std::string> &args_)
   try
   {
     cryptonote::transaction tx;
-    m_wallet->transfer(dsts, fake_outs_count, 0, DEFAULT_FEE, tx);
+    m_wallet->transfer(dsts, fake_outs_count, 0, DEFAULT_FEE, extra, tx);
     success_msg_writer(true) << "Money successfully sent, transaction " << get_transaction_hash(tx);
   }
   catch (const tools::error::daemon_busy&)
@@ -801,6 +927,7 @@ int main(int argc, char* argv[])
 
     if (command_line::get_arg(vm, command_line::arg_help))
     {
+      success_msg_writer() << "bytecoin wallet v" << PROJECT_VERSION_LONG;
       success_msg_writer() << "Usage: simplewallet [--wallet-file=<file>|--generate-new-wallet=<file>] [--daemon-address=<host>:<port>] [<COMMAND>]";
       success_msg_writer() << desc_all << '\n' << w.get_commands_str();
       return false;
@@ -833,11 +960,11 @@ int main(int argc, char* argv[])
     LOG_PRINT_L0("Setting log level = " << command_line::get_arg(vm, arg_log_level));
     log_space::get_set_log_detalisation_level(true, command_line::get_arg(vm, arg_log_level));
   }
-  
+
   if(command_line::has_arg(vm, tools::wallet_rpc_server::arg_rpc_bind_port))
   {
     log_space::log_singletone::add_logger(LOGGER_CONSOLE, NULL, NULL, LOG_LEVEL_2);
-    //runs wallet with rpc interface 
+    //runs wallet with rpc interface
     if(!command_line::has_arg(vm, arg_wallet_file) )
     {
       LOG_ERROR("Wallet file not set.");
@@ -854,7 +981,7 @@ int main(int argc, char* argv[])
       return 1;
     }
 
-    std::string wallet_file     = command_line::get_arg(vm, arg_wallet_file);    
+    std::string wallet_file     = command_line::get_arg(vm, arg_wallet_file);
     std::string wallet_password = command_line::get_arg(vm, arg_password);
     std::string daemon_address  = command_line::get_arg(vm, arg_daemon_address);
     std::string daemon_host = command_line::get_arg(vm, arg_daemon_host);
@@ -904,7 +1031,7 @@ int main(int argc, char* argv[])
     }
   }else
   {
-    //runs wallet with console interface 
+    //runs wallet with console interface
     r = w.init(vm);
     CHECK_AND_ASSERT_MES(r, 1, "Failed to initialize wallet");
 
diff --git a/src/simplewallet/simplewallet.h b/src/simplewallet/simplewallet.h
index 002490e89..a6c771804 100644
--- a/src/simplewallet/simplewallet.h
+++ b/src/simplewallet/simplewallet.h
@@ -49,6 +49,7 @@ namespace cryptonote
     bool refresh(const std::vector<std::string> &args);
     bool show_balance(const std::vector<std::string> &args = std::vector<std::string>());
     bool show_incoming_transfers(const std::vector<std::string> &args);
+    bool show_payments(const std::vector<std::string> &args);
     bool show_blockchain_height(const std::vector<std::string> &args);
     bool transfer(const std::vector<std::string> &args);
     bool print_address(const std::vector<std::string> &args = std::vector<std::string>());
@@ -57,11 +58,13 @@ namespace cryptonote
 
     uint64_t get_daemon_blockchain_height(std::string& err);
     bool try_connect_to_daemon();
+    bool ask_wallet_create_if_needed();
 
     //----------------- i_wallet2_callback ---------------------
     virtual void on_new_block(uint64_t height, const cryptonote::block& block);
     virtual void on_money_received(uint64_t height, const cryptonote::transaction& tx, size_t out_index);
     virtual void on_money_spent(uint64_t height, const cryptonote::transaction& in_tx, size_t out_index, const cryptonote::transaction& spend_tx);
+    virtual void on_skip_transaction(uint64_t height, const cryptonote::transaction& tx);
     //----------------------------------------------------------
 
     friend class refresh_progress_reporter_t;
diff --git a/src/version.h.in b/src/version.h.in
index 331657755..2578ea635 100644
--- a/src/version.h.in
+++ b/src/version.h.in
@@ -1,4 +1,4 @@
 #define BUILD_COMMIT_ID "@VERSION@"
-#define PROJECT_VERSION "0.8.5"
-#define PROJECT_VERSION_BUILD_NO "294"
+#define PROJECT_VERSION "0.8.6"
+#define PROJECT_VERSION_BUILD_NO "295"
 #define PROJECT_VERSION_LONG PROJECT_VERSION "." PROJECT_VERSION_BUILD_NO "(" BUILD_COMMIT_ID ")"
diff --git a/src/wallet/wallet2.cpp b/src/wallet/wallet2.cpp
index 9bd487997..e8d67eec2 100644
--- a/src/wallet/wallet2.cpp
+++ b/src/wallet/wallet2.cpp
@@ -22,6 +22,23 @@ using namespace epee;
 
 using namespace cryptonote;
 
+namespace
+{
+void do_prepare_file_names(const std::string& file_path, std::string& keys_file, std::string& wallet_file)
+{
+  keys_file = file_path;
+  wallet_file = file_path;
+  boost::system::error_code e;
+  if(string_tools::get_extension(keys_file) == "keys")
+  {//provided keys file name
+    wallet_file = string_tools::cut_off_extension(wallet_file);
+  }else
+  {//provided wallet file name
+    keys_file += ".keys";
+  }
+}
+} //namespace
+
 namespace tools
 {
 //----------------------------------------------------------------------------------------------------
@@ -36,17 +53,25 @@ void wallet2::process_new_transaction(const cryptonote::transaction& tx, uint64_
   process_unconfirmed(tx);
   std::vector<size_t> outs;
   uint64_t tx_money_got_in_outs = 0;
-  crypto::public_key tx_pub_key = null_pkey;
-  bool r = parse_and_validate_tx_extra(tx, tx_pub_key);
-  
-  // Temporarily disabled due to messed up tx_extra from someone
-  // screwing around with MMing. 2014-04-30
-  // THROW_WALLET_EXCEPTION_IF(!r, error::tx_extra_parse_error, tx);
-  
-  // We don't know how to handle this weird tx, so return
-  if (!r) return;
-
-  r = lookup_acc_outs(m_account.get_keys(), tx, tx_pub_key, outs, tx_money_got_in_outs);
+
+  std::vector<tx_extra_field> tx_extra_fields;
+  if(!parse_tx_extra(tx.extra, tx_extra_fields))
+  {
+    // Extra may only be partially parsed, it's OK if tx_extra_fields contains public key
+    LOG_PRINT_L0("Transaction extra has unsupported format: " << get_transaction_hash(tx));
+  }
+
+  tx_extra_pub_key pub_key_field;
+  if(!find_tx_extra_field_by_type(tx_extra_fields, pub_key_field))
+  {
+    LOG_PRINT_L0("Public key wasn't found in the transaction extra. Skipping transaction " << get_transaction_hash(tx));
+    if(0 != m_callback)
+      m_callback->on_skip_transaction(height, tx);
+    return;
+  }
+
+  crypto::public_key tx_pub_key = pub_key_field.pub_key;
+  bool r = lookup_acc_outs(m_account.get_keys(), tx, tx_pub_key, outs, tx_money_got_in_outs);
   THROW_WALLET_EXCEPTION_IF(!r, error::acc_outs_lookup_error, tx, tx_pub_key, m_account.get_keys());
 
   if(!outs.empty() && tx_money_got_in_outs)
@@ -87,6 +112,8 @@ void wallet2::process_new_transaction(const cryptonote::transaction& tx, uint64_
         m_callback->on_money_received(height, td.m_tx, td.m_internal_output_index);
     }
   }
+
+  uint64_t tx_money_spent_in_ins = 0;
   // check all outputs for spending (compare key images)
   BOOST_FOREACH(auto& in, tx.vin)
   {
@@ -96,12 +123,33 @@ void wallet2::process_new_transaction(const cryptonote::transaction& tx, uint64_
     if(it != m_key_images.end())
     {
       LOG_PRINT_L0("Spent money: " << print_money(boost::get<cryptonote::txin_to_key>(in).amount) << ", with tx: " << get_transaction_hash(tx));
+      tx_money_spent_in_ins += boost::get<cryptonote::txin_to_key>(in).amount;
       transfer_details& td = m_transfers[it->second];
       td.m_spent = true;
       if (0 != m_callback)
         m_callback->on_money_spent(height, td.m_tx, td.m_internal_output_index, tx);
     }
   }
+
+  tx_extra_nonce extra_nonce;
+  if (find_tx_extra_field_by_type(tx_extra_fields, extra_nonce))
+  {
+    crypto::hash payment_id;
+    if(get_payment_id_from_tx_extra_nonce(extra_nonce.nonce, payment_id))
+    {
+      uint64_t received = (tx_money_spent_in_ins < tx_money_got_in_outs) ? tx_money_got_in_outs - tx_money_spent_in_ins : 0;
+      if (0 < received && null_hash != payment_id)
+      {
+        payment_details payment;
+        payment.m_tx_hash      = cryptonote::get_transaction_hash(tx);
+        payment.m_amount       = received;
+        payment.m_block_height = height;
+        payment.m_unlock_time  = tx.unlock_time;
+        m_payments.emplace(payment_id, payment);
+        LOG_PRINT_L2("Payment found: " << payment_id << " / " << payment.m_tx_hash << " / " << payment.m_amount);
+      }
+    }
+  }
 }
 //----------------------------------------------------------------------------------------------------
 void wallet2::process_unconfirmed(const cryptonote::transaction& tx)
@@ -203,7 +251,7 @@ void wallet2::pull_blocks(size_t& blocks_added)
     {
       //split detected here !!!
       THROW_WALLET_EXCEPTION_IF(current_index == res.start_height, error::wallet_internal_error,
-        "wrong daemon response: split starts from the first block in response " + string_tools::pod_to_hex(bl_id) + 
+        "wrong daemon response: split starts from the first block in response " + string_tools::pod_to_hex(bl_id) +
         " (height " + std::to_string(res.start_height) + "), local block id at this height: " +
         string_tools::pod_to_hex(m_blockchain[current_index]));
 
@@ -304,6 +352,14 @@ void wallet2::detach_blockchain(uint64_t height)
   m_blockchain.erase(m_blockchain.begin()+height, m_blockchain.end());
   m_local_bc_height -= blocks_detached;
 
+  for (auto it = m_payments.begin(); it != m_payments.end(); )
+  {
+    if(height <= it->second.m_block_height)
+      it = m_payments.erase(it);
+    else
+      ++it;
+  }
+
   LOG_PRINT_L0("Detached blockchain on height " << height << ", transfers detached " << transfers_detached << ", blocks detached " << blocks_detached);
 }
 //----------------------------------------------------------------------------------------------------
@@ -399,18 +455,19 @@ void wallet2::generate(const std::string& wallet_, const std::string& password)
   store();
 }
 //----------------------------------------------------------------------------------------------------
+void wallet2::wallet_exists(const std::string& file_path, bool& keys_file_exists, bool& wallet_file_exitst)
+{
+  std::string keys_file, wallet_file;
+  do_prepare_file_names(file_path, keys_file, wallet_file);
+
+  boost::system::error_code ignore;
+  keys_file_exists = boost::filesystem::exists(keys_file, ignore);
+  wallet_file_exitst = boost::filesystem::exists(wallet_file, ignore);
+}
+//----------------------------------------------------------------------------------------------------
 bool wallet2::prepare_file_names(const std::string& file_path)
 {
-  m_keys_file = file_path;
-  m_wallet_file = file_path;
-  boost::system::error_code e;
-  if(string_tools::get_extension(m_keys_file) == "keys")
-  {//provided keys file name
-    m_wallet_file = string_tools::cut_off_extension(m_wallet_file);
-  }else
-  {//provided wallet file name
-    m_keys_file += ".keys";
-  }
+  do_prepare_file_names(file_path, m_keys_file, m_wallet_file);
   return true;
 }
 //----------------------------------------------------------------------------------------------------
@@ -422,7 +479,7 @@ bool wallet2::check_connection()
   net_utils::http::url_content u;
   net_utils::parse_url(m_daemon_address, u);
   if(!u.port)
-    u.port = RPC_DEFAULT_PORT;  
+    u.port = RPC_DEFAULT_PORT;
   return m_http_client.connect(u.host, std::to_string(u.port), WALLET_RCP_CONNECTION_TIMEOUT);
 }
 //----------------------------------------------------------------------------------------------------
@@ -497,6 +554,14 @@ void wallet2::get_transfers(wallet2::transfer_container& incoming_transfers) con
   incoming_transfers = m_transfers;
 }
 //----------------------------------------------------------------------------------------------------
+void wallet2::get_payments(const crypto::hash& payment_id, std::list<wallet2::payment_details>& payments) const
+{
+  auto range = m_payments.equal_range(payment_id);
+  std::for_each(range.first, range.second, [&payments](const payment_container::value_type& x) {
+    payments.push_back(x.second);
+  });
+}
+//----------------------------------------------------------------------------------------------------
 bool wallet2::is_transfer_unlocked(const transfer_details& td) const
 {
   if(!is_tx_spendtime_unlocked(td.m_tx.unlock_time))
@@ -596,16 +661,16 @@ void wallet2::add_unconfirmed_tx(const cryptonote::transaction& tx, uint64_t cha
 }
 //----------------------------------------------------------------------------------------------------
 void wallet2::transfer(const std::vector<cryptonote::tx_destination_entry>& dsts, size_t fake_outputs_count,
-                       uint64_t unlock_time, uint64_t fee, cryptonote::transaction& tx)
+                       uint64_t unlock_time, uint64_t fee, const std::vector<uint8_t>& extra, cryptonote::transaction& tx)
 {
-  transfer(dsts, fake_outputs_count, unlock_time, fee, detail::digit_split_strategy, tx_dust_policy(fee), tx);
+  transfer(dsts, fake_outputs_count, unlock_time, fee, extra, detail::digit_split_strategy, tx_dust_policy(fee), tx);
 }
 //----------------------------------------------------------------------------------------------------
 void wallet2::transfer(const std::vector<cryptonote::tx_destination_entry>& dsts, size_t fake_outputs_count,
-                       uint64_t unlock_time, uint64_t fee)
+                       uint64_t unlock_time, uint64_t fee, const std::vector<uint8_t>& extra)
 {
   cryptonote::transaction tx;
-  transfer(dsts, fake_outputs_count, unlock_time, fee, tx);
+  transfer(dsts, fake_outputs_count, unlock_time, fee, extra, tx);
 }
 //----------------------------------------------------------------------------------------------------
 }
diff --git a/src/wallet/wallet2.h b/src/wallet/wallet2.h
index 221f3d25c..edbf31f2d 100644
--- a/src/wallet/wallet2.h
+++ b/src/wallet/wallet2.h
@@ -34,6 +34,7 @@ namespace tools
     virtual void on_new_block(uint64_t height, const cryptonote::block& block) {}
     virtual void on_money_received(uint64_t height, const cryptonote::transaction& tx, size_t out_index) {}
     virtual void on_money_spent(uint64_t height, const cryptonote::transaction& in_tx, size_t out_index, const cryptonote::transaction& spend_tx) {}
+    virtual void on_skip_transaction(uint64_t height, const cryptonote::transaction& tx) {}
   };
 
   struct tx_dust_policy
@@ -67,14 +68,23 @@ namespace tools
       uint64_t amount() const { return m_tx.vout[m_internal_output_index].amount; }
     };
 
+    struct payment_details
+    {
+      crypto::hash m_tx_hash;
+      uint64_t m_amount;
+      uint64_t m_block_height;
+      uint64_t m_unlock_time;
+    };
+
     struct unconfirmed_transfer_details
     {
       cryptonote::transaction m_tx;
       uint64_t m_change;
-      time_t m_sent_time; 
+      time_t m_sent_time;
     };
 
     typedef std::vector<transfer_details> transfer_container;
+    typedef std::unordered_multimap<crypto::hash, payment_details> payment_container;
 
     struct keys_file_data
     {
@@ -108,13 +118,14 @@ namespace tools
     uint64_t balance();
     uint64_t unlocked_balance();
     template<typename T>
-    void transfer(const std::vector<cryptonote::tx_destination_entry>& dsts, size_t fake_outputs_count, uint64_t unlock_time, uint64_t fee, T destination_split_strategy, const tx_dust_policy& dust_policy);
+    void transfer(const std::vector<cryptonote::tx_destination_entry>& dsts, size_t fake_outputs_count, uint64_t unlock_time, uint64_t fee, const std::vector<uint8_t>& extra, T destination_split_strategy, const tx_dust_policy& dust_policy);
     template<typename T>
-    void transfer(const std::vector<cryptonote::tx_destination_entry>& dsts, size_t fake_outputs_count, uint64_t unlock_time, uint64_t fee, T destination_split_strategy, const tx_dust_policy& dust_policy, cryptonote::transaction &tx);
-    void transfer(const std::vector<cryptonote::tx_destination_entry>& dsts, size_t fake_outputs_count, uint64_t unlock_time, uint64_t fee);
-    void transfer(const std::vector<cryptonote::tx_destination_entry>& dsts, size_t fake_outputs_count, uint64_t unlock_time, uint64_t fee, cryptonote::transaction& tx);
+    void transfer(const std::vector<cryptonote::tx_destination_entry>& dsts, size_t fake_outputs_count, uint64_t unlock_time, uint64_t fee, const std::vector<uint8_t>& extra, T destination_split_strategy, const tx_dust_policy& dust_policy, cryptonote::transaction &tx);
+    void transfer(const std::vector<cryptonote::tx_destination_entry>& dsts, size_t fake_outputs_count, uint64_t unlock_time, uint64_t fee, const std::vector<uint8_t>& extra);
+    void transfer(const std::vector<cryptonote::tx_destination_entry>& dsts, size_t fake_outputs_count, uint64_t unlock_time, uint64_t fee, const std::vector<uint8_t>& extra, cryptonote::transaction& tx);
     bool check_connection();
     void get_transfers(wallet2::transfer_container& incoming_transfers) const;
+    void get_payments(const crypto::hash& payment_id, std::list<wallet2::payment_details>& payments) const;
     uint64_t get_blockchain_current_height() const { return m_local_bc_height; }
     template <class t_archive>
     inline void serialize(t_archive &a, const unsigned int ver)
@@ -128,8 +139,13 @@ namespace tools
       if(ver < 6)
         return;
       a & m_unconfirmed_txs;
+      if(ver < 7)
+        return;
+      a & m_payments;
     }
 
+    static void wallet_exists(const std::string& file_path, bool& keys_file_exists, bool& wallet_file_exitst);
+
   private:
     bool store_keys(const std::string& keys_file_name, const std::string& password);
     void load_keys(const std::string& keys_file_name, const std::string& password);
@@ -152,10 +168,11 @@ namespace tools
     std::string m_keys_file;
     epee::net_utils::http::http_simple_client m_http_client;
     std::vector<crypto::hash> m_blockchain;
-    std::atomic<uint64_t> m_local_bc_height; //temporary workaround 
+    std::atomic<uint64_t> m_local_bc_height; //temporary workaround
     std::unordered_map<crypto::hash, unconfirmed_transfer_details> m_unconfirmed_txs;
 
     transfer_container m_transfers;
+    payment_container m_payments;
     std::unordered_map<crypto::key_image, size_t> m_key_images;
     cryptonote::account_public_address m_account_public_address;
     uint64_t m_upper_transaction_size_limit; //TODO: auto-calc this value or request from daemon, now use some fixed value
@@ -165,7 +182,7 @@ namespace tools
     i_wallet2_callback* m_callback;
   };
 }
-BOOST_CLASS_VERSION(tools::wallet2, 6)
+BOOST_CLASS_VERSION(tools::wallet2, 7)
 
 namespace boost
 {
@@ -190,7 +207,14 @@ namespace boost
       a & x.m_tx;
     }
 
-
+    template <class Archive>
+    inline void serialize(Archive& a, tools::wallet2::payment_details& x, const boost::serialization::version_type ver)
+    {
+      a & x.m_tx_hash;
+      a & x.m_amount;
+      a & x.m_block_height;
+      a & x.m_unlock_time;
+    }
   }
 }
 
@@ -261,15 +285,15 @@ namespace tools
   //----------------------------------------------------------------------------------------------------
   template<typename T>
   void wallet2::transfer(const std::vector<cryptonote::tx_destination_entry>& dsts, size_t fake_outputs_count,
-    uint64_t unlock_time, uint64_t fee, T destination_split_strategy, const tx_dust_policy& dust_policy)
+    uint64_t unlock_time, uint64_t fee, const std::vector<uint8_t>& extra, T destination_split_strategy, const tx_dust_policy& dust_policy)
   {
     cryptonote::transaction tx;
-    transfer(dsts, fake_outputs_count, unlock_time, fee, destination_split_strategy, dust_policy, tx);
+    transfer(dsts, fake_outputs_count, unlock_time, fee, extra, destination_split_strategy, dust_policy, tx);
   }
 
   template<typename T>
   void wallet2::transfer(const std::vector<cryptonote::tx_destination_entry>& dsts, size_t fake_outputs_count,
-    uint64_t unlock_time, uint64_t fee, T destination_split_strategy, const tx_dust_policy& dust_policy, cryptonote::transaction &tx)
+    uint64_t unlock_time, uint64_t fee, const std::vector<uint8_t>& extra, T destination_split_strategy, const tx_dust_policy& dust_policy, cryptonote::transaction &tx)
   {
     using namespace cryptonote;
     THROW_WALLET_EXCEPTION_IF(dsts.empty(), error::zero_destination);
@@ -320,7 +344,7 @@ namespace tools
       }
       THROW_WALLET_EXCEPTION_IF(!scanty_outs.empty(), error::not_enough_outs_to_mix, scanty_outs, fake_outputs_count);
     }
- 
+
     //prepare inputs
     size_t i = 0;
     std::vector<cryptonote::tx_source_entry> sources;
@@ -381,7 +405,7 @@ namespace tools
       splitted_dsts.push_back(cryptonote::tx_destination_entry(dust, dust_policy.addr_for_dust));
     }
 
-    bool r = cryptonote::construct_tx(m_account.get_keys(), sources, splitted_dsts, tx, unlock_time);
+    bool r = cryptonote::construct_tx(m_account.get_keys(), sources, splitted_dsts, extra, tx, unlock_time);
     THROW_WALLET_EXCEPTION_IF(!r, error::tx_not_constructed, sources, splitted_dsts, unlock_time);
     THROW_WALLET_EXCEPTION_IF(m_upper_transaction_size_limit <= get_object_blobsize(tx), error::tx_too_big, tx, m_upper_transaction_size_limit);
 
@@ -409,7 +433,7 @@ namespace tools
     BOOST_FOREACH(transfer_container::iterator it, selected_transfers)
       it->m_spent = true;
 
-    LOG_PRINT_L0("Transaction successfully sent. <" << get_transaction_hash(tx) << ">" << ENDL 
+    LOG_PRINT_L0("Transaction successfully sent. <" << get_transaction_hash(tx) << ">" << ENDL
                   << "Commission: " << print_money(fee+dust) << " (dust: " << print_money(dust) << ")" << ENDL
                   << "Balance: " << print_money(balance()) << ENDL
                   << "Unlocked: " << print_money(unlocked_balance()) << ENDL
diff --git a/src/wallet/wallet_errors.h b/src/wallet/wallet_errors.h
index b2a863436..0d42dbaf4 100644
--- a/src/wallet/wallet_errors.h
+++ b/src/wallet/wallet_errors.h
@@ -34,7 +34,6 @@ namespace tools
     //         block_parse_error
     //         get_blocks_error
     //         get_out_indexes_error
-    //         tx_extra_parse_error
     //         tx_parse_error
     //       transfer_error *
     //         get_random_outs_general_error
@@ -248,28 +247,6 @@ namespace tools
     //----------------------------------------------------------------------------------------------------
     typedef failed_rpc_request<refresh_error, get_out_indices_error_message_index> get_out_indices_error;
     //----------------------------------------------------------------------------------------------------
-    struct tx_extra_parse_error : public refresh_error
-    {
-      explicit tx_extra_parse_error(std::string&& loc, const cryptonote::transaction& tx)
-        : refresh_error(std::move(loc), "transaction extra parse error")
-        , m_tx(tx)
-      {
-      }
-
-      const cryptonote::transaction& tx() const { return m_tx; }
-
-      std::string to_string() const
-      {
-        std::ostringstream ss;
-        cryptonote::transaction tx = m_tx;
-        ss << refresh_error::to_string() << ", tx: " << cryptonote::obj_to_json_str(tx);
-        return ss.str();
-      }
-
-    private:
-      const cryptonote::transaction m_tx;
-    };
-    //----------------------------------------------------------------------------------------------------
     struct tx_parse_error : public refresh_error
     {
       explicit tx_parse_error(std::string&& loc, const cryptonote::blobdata& tx_blob)
diff --git a/src/wallet/wallet_rpc_server.cpp b/src/wallet/wallet_rpc_server.cpp
index a89cc4e72..f1766c3b4 100644
--- a/src/wallet/wallet_rpc_server.cpp
+++ b/src/wallet/wallet_rpc_server.cpp
@@ -11,6 +11,7 @@ using namespace epee;
 #include "cryptonote_core/cryptonote_format_utils.h"
 #include "cryptonote_core/account.h"
 #include "misc_language.h"
+#include "string_tools.h"
 #include "crypto/hash.h"
 
 namespace tools
@@ -74,7 +75,7 @@ namespace tools
   {
 
     std::vector<cryptonote::tx_destination_entry> dsts;
-    for (auto it = req.destinations.begin(); it != req.destinations.end(); it++) 
+    for (auto it = req.destinations.begin(); it != req.destinations.end(); it++)
     {
       cryptonote::tx_destination_entry de;
       if(!get_account_address_from_str(de.addr, it->address))
@@ -89,7 +90,7 @@ namespace tools
     try
     {
       cryptonote::transaction tx;
-      m_wallet.transfer(dsts, req.mixin, req.unlock_time, req.fee, tx);
+      m_wallet.transfer(dsts, req.mixin, req.unlock_time, req.fee, std::vector<uint8_t>(), tx);
       res.tx_hash = boost::lexical_cast<std::string>(cryptonote::get_transaction_hash(tx));
       return true;
     }
@@ -97,19 +98,19 @@ namespace tools
     {
       er.code = WALLET_RPC_ERROR_CODE_DAEMON_IS_BUSY;
       er.message = e.what();
-      return false; 
+      return false;
     }
     catch (const std::exception& e)
     {
       er.code = WALLET_RPC_ERROR_CODE_GENERIC_TRANSFER_ERROR;
       er.message = e.what();
-      return false; 
+      return false;
     }
     catch (...)
     {
       er.code = WALLET_RPC_ERROR_CODE_UNKNOWN_ERROR;
       er.message = "WALLET_RPC_ERROR_CODE_UNKNOWN_ERROR";
-      return false; 
+      return false;
     }
     return true;
   }
@@ -129,4 +130,40 @@ namespace tools
     return true;
   }
   //------------------------------------------------------------------------------------------------------------------------------
-}
\ No newline at end of file
+  bool wallet_rpc_server::on_get_payments(const wallet_rpc::COMMAND_RPC_GET_PAYMENTS::request& req, wallet_rpc::COMMAND_RPC_GET_PAYMENTS::response& res, epee::json_rpc::error& er, connection_context& cntx)
+  {
+    crypto::hash payment_id;
+    cryptonote::blobdata payment_id_blob;
+    if(!epee::string_tools::parse_hexstr_to_binbuff(req.payment_id, payment_id_blob))
+    {
+      er.code = WALLET_RPC_ERROR_CODE_WRONG_PAYMENT_ID;
+      er.message = "Payment ID has invald format";
+      return false;
+    }
+
+    if(sizeof(payment_id) != payment_id_blob.size())
+    {
+      er.code = WALLET_RPC_ERROR_CODE_WRONG_PAYMENT_ID;
+      er.message = "Payment ID has invalid size";
+      return false;
+    }
+
+    payment_id = *reinterpret_cast<const crypto::hash*>(payment_id_blob.data());
+
+    res.payments.clear();
+    std::list<wallet2::payment_details> payment_list;
+    m_wallet.get_payments(payment_id, payment_list);
+    for (auto payment : payment_list)
+    {
+      wallet_rpc::payment_details rpc_payment;
+      rpc_payment.tx_hash      = epee::string_tools::pod_to_hex(payment.m_tx_hash);
+      rpc_payment.amount       = payment.m_amount;
+      rpc_payment.block_height = payment.m_block_height;
+      rpc_payment.unlock_time  = payment.m_unlock_time;
+      res.payments.push_back(rpc_payment);
+    }
+
+    return true;
+  }
+  //------------------------------------------------------------------------------------------------------------------------------
+}
diff --git a/src/wallet/wallet_rpc_server.h b/src/wallet/wallet_rpc_server.h
index 418f055d9..db49df574 100644
--- a/src/wallet/wallet_rpc_server.h
+++ b/src/wallet/wallet_rpc_server.h
@@ -2,7 +2,7 @@
 // Distributed under the MIT/X11 software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
-#pragma  once 
+#pragma  once
 
 #include <boost/program_options/options_description.hpp>
 #include <boost/program_options/variables_map.hpp>
@@ -35,9 +35,10 @@ namespace tools
 
     BEGIN_URI_MAP2()
       BEGIN_JSON_RPC_MAP("/json_rpc")
-        MAP_JON_RPC_WE("getbalance",  on_getbalance, wallet_rpc::COMMAND_RPC_GET_BALANCE)
-        MAP_JON_RPC_WE("transfer",    on_transfer,   wallet_rpc::COMMAND_RPC_TRANSFER)
-        MAP_JON_RPC_WE("store",       on_store,      wallet_rpc::COMMAND_RPC_STORE)
+        MAP_JON_RPC_WE("getbalance",   on_getbalance,   wallet_rpc::COMMAND_RPC_GET_BALANCE)
+        MAP_JON_RPC_WE("transfer",     on_transfer,     wallet_rpc::COMMAND_RPC_TRANSFER)
+        MAP_JON_RPC_WE("store",        on_store,        wallet_rpc::COMMAND_RPC_STORE)
+        MAP_JON_RPC_WE("get_payments", on_get_payments, wallet_rpc::COMMAND_RPC_GET_PAYMENTS)
       END_JSON_RPC_MAP()
     END_URI_MAP2()
 
@@ -45,6 +46,7 @@ namespace tools
       bool on_getbalance(const wallet_rpc::COMMAND_RPC_GET_BALANCE::request& req, wallet_rpc::COMMAND_RPC_GET_BALANCE::response& res, epee::json_rpc::error& er, connection_context& cntx);
       bool on_transfer(const wallet_rpc::COMMAND_RPC_TRANSFER::request& req, wallet_rpc::COMMAND_RPC_TRANSFER::response& res, epee::json_rpc::error& er, connection_context& cntx);
       bool on_store(const wallet_rpc::COMMAND_RPC_STORE::request& req, wallet_rpc::COMMAND_RPC_STORE::response& res, epee::json_rpc::error& er, connection_context& cntx);
+      bool on_get_payments(const wallet_rpc::COMMAND_RPC_GET_PAYMENTS::request& req, wallet_rpc::COMMAND_RPC_GET_PAYMENTS::response& res, epee::json_rpc::error& er, connection_context& cntx);
 
       bool handle_command_line(const boost::program_options::variables_map& vm);
 
diff --git a/src/wallet/wallet_rpc_server_commans_defs.h b/src/wallet/wallet_rpc_server_commans_defs.h
index a94ce36b0..b99d92ca2 100644
--- a/src/wallet/wallet_rpc_server_commans_defs.h
+++ b/src/wallet/wallet_rpc_server_commans_defs.h
@@ -86,6 +86,41 @@ namespace wallet_rpc
     };
   };
 
+  struct payment_details
+  {
+    std::string tx_hash;
+    uint64_t amount;
+    uint64_t block_height;
+    uint64_t unlock_time;
+
+    BEGIN_KV_SERIALIZE_MAP()
+      KV_SERIALIZE(tx_hash)
+      KV_SERIALIZE(amount)
+      KV_SERIALIZE(block_height)
+      KV_SERIALIZE(unlock_time)
+    END_KV_SERIALIZE_MAP()
+  };
+
+  struct COMMAND_RPC_GET_PAYMENTS
+  {
+    struct request
+    {
+      std::string payment_id;
+
+      BEGIN_KV_SERIALIZE_MAP()
+        KV_SERIALIZE(payment_id)
+      END_KV_SERIALIZE_MAP()
+    };
+
+    struct response
+    {
+      std::list<payment_details> payments;
+
+      BEGIN_KV_SERIALIZE_MAP()
+        KV_SERIALIZE(payments)
+      END_KV_SERIALIZE_MAP()
+    };
+  };
 }
 }
 
diff --git a/src/wallet/wallet_rpc_server_error_codes.h b/src/wallet/wallet_rpc_server_error_codes.h
index 415abf406..7fa536dac 100644
--- a/src/wallet/wallet_rpc_server_error_codes.h
+++ b/src/wallet/wallet_rpc_server_error_codes.h
@@ -2,10 +2,11 @@
 // Distributed under the MIT/X11 software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
-#pragma  once 
+#pragma  once
 
 
 #define WALLET_RPC_ERROR_CODE_UNKNOWN_ERROR           -1
 #define WALLET_RPC_ERROR_CODE_WRONG_ADDRESS           -2
 #define WALLET_RPC_ERROR_CODE_DAEMON_IS_BUSY          -3
 #define WALLET_RPC_ERROR_CODE_GENERIC_TRANSFER_ERROR  -4
+#define WALLET_RPC_ERROR_CODE_WRONG_PAYMENT_ID        -5
diff --git a/tests/core_tests/block_validation.cpp b/tests/core_tests/block_validation.cpp
index 36e769c65..57e147133 100644
--- a/tests/core_tests/block_validation.cpp
+++ b/tests/core_tests/block_validation.cpp
@@ -323,7 +323,7 @@ bool gen_block_miner_tx_has_2_in::generate(std::vector<test_event_entry>& events
   destinations.push_back(de);
 
   transaction tmp_tx;
-  if (!construct_tx(miner_account.get_keys(), sources, destinations, tmp_tx, 0))
+  if (!construct_tx(miner_account.get_keys(), sources, destinations, std::vector<uint8_t>(), tmp_tx, 0))
     return false;
 
   MAKE_MINER_TX_MANUALLY(miner_tx, blk_0);
@@ -365,7 +365,7 @@ bool gen_block_miner_tx_with_txin_to_key::generate(std::vector<test_event_entry>
   destinations.push_back(de);
 
   transaction tmp_tx;
-  if (!construct_tx(miner_account.get_keys(), sources, destinations, tmp_tx, 0))
+  if (!construct_tx(miner_account.get_keys(), sources, destinations, std::vector<uint8_t>(), tmp_tx, 0))
     return false;
 
   MAKE_MINER_TX_MANUALLY(miner_tx, blk_1);
diff --git a/tests/core_tests/chaingen.cpp b/tests/core_tests/chaingen.cpp
index f00323518..124800db7 100644
--- a/tests/core_tests/chaingen.cpp
+++ b/tests/core_tests/chaingen.cpp
@@ -425,9 +425,12 @@ bool fill_tx_sources(std::vector<tx_source_entry>& sources, const std::vector<te
             ts.amount = oi.amount;
             ts.real_output_in_tx_index = oi.out_no;
             ts.real_out_tx_key = get_tx_pub_key_from_extra(*oi.p_tx); // incoming tx public key
-            if (!fill_output_entries(outs[o.first], sender_out, nmix, ts.real_output, ts.outputs))
+            size_t realOutput;
+            if (!fill_output_entries(outs[o.first], sender_out, nmix, realOutput, ts.outputs))
               continue;
 
+            ts.real_output = realOutput;
+
             sources.push_back(ts);
 
             sources_amount += ts.amount;
@@ -528,7 +531,7 @@ bool construct_tx_to_key(const std::vector<test_event_entry>& events, cryptonote
   vector<tx_destination_entry> destinations;
   fill_tx_sources_and_destinations(events, blk_head, from, to, amount, fee, nmix, sources, destinations);
 
-  return construct_tx(from.get_keys(), sources, destinations, tx, 0);
+  return construct_tx(from.get_keys(), sources, destinations, std::vector<uint8_t>(), tx, 0);
 }
 
 transaction construct_tx_with_fee(std::vector<test_event_entry>& events, const block& blk_head,
diff --git a/tests/core_tests/double_spend.inl b/tests/core_tests/double_spend.inl
index 38873a8b4..2d75d994a 100644
--- a/tests/core_tests/double_spend.inl
+++ b/tests/core_tests/double_spend.inl
@@ -1,4 +1,4 @@
-#pragma once 
+#pragma once
 
 //======================================================================================================================
 
@@ -113,7 +113,7 @@ bool gen_double_spend_in_tx<txs_keeped_by_block>::generate(std::vector<test_even
   destinations.push_back(de);
 
   cryptonote::transaction tx_1;
-  if (!construct_tx(bob_account.get_keys(), sources, destinations, tx_1, 0))
+  if (!construct_tx(bob_account.get_keys(), sources, destinations, std::vector<uint8_t>(), tx_1, 0))
     return false;
 
   SET_EVENT_VISITOR_SETT(events, event_visitor_settings::set_txs_keeped_by_block, txs_keeped_by_block);
diff --git a/tests/core_tests/integer_overflow.cpp b/tests/core_tests/integer_overflow.cpp
index 82bfb2150..5c619e97c 100644
--- a/tests/core_tests/integer_overflow.cpp
+++ b/tests/core_tests/integer_overflow.cpp
@@ -72,7 +72,7 @@ bool gen_uint_overflow_base::mark_last_valid_block(cryptonote::core& c, size_t e
 
 bool gen_uint_overflow_1::generate(std::vector<test_event_entry>& events) const
 {
-  uint64_t ts_start = 1338224400;  
+  uint64_t ts_start = 1338224400;
 
   GENERATE_ACCOUNT(miner_account);
   MAKE_GENESIS_BLOCK(events, blk_0, miner_account, ts_start);
@@ -116,7 +116,7 @@ bool gen_uint_overflow_1::generate(std::vector<test_event_entry>& events) const
 
 bool gen_uint_overflow_2::generate(std::vector<test_event_entry>& events) const
 {
-  uint64_t ts_start = 1338224400;  
+  uint64_t ts_start = 1338224400;
 
   GENERATE_ACCOUNT(miner_account);
   MAKE_GENESIS_BLOCK(events, blk_0, miner_account, ts_start);
@@ -148,7 +148,7 @@ bool gen_uint_overflow_2::generate(std::vector<test_event_entry>& events) const
   destinations.push_back(tx_destination_entry(sources.front().amount - MONEY_SUPPLY - MONEY_SUPPLY + 1 - TESTS_DEFAULT_FEE, bob_addr));
 
   cryptonote::transaction tx_1;
-  if (!construct_tx(miner_account.get_keys(), sources, destinations, tx_1, 0))
+  if (!construct_tx(miner_account.get_keys(), sources, destinations, std::vector<uint8_t>(), tx_1, 0))
     return false;
   events.push_back(tx_1);
 
@@ -174,7 +174,7 @@ bool gen_uint_overflow_2::generate(std::vector<test_event_entry>& events) const
   destinations.push_back(de);
 
   cryptonote::transaction tx_2;
-  if (!construct_tx(bob_account.get_keys(), sources, destinations, tx_2, 0))
+  if (!construct_tx(bob_account.get_keys(), sources, destinations, std::vector<uint8_t>(), tx_2, 0))
     return false;
   events.push_back(tx_2);
 
diff --git a/tests/core_tests/transaction_tests.cpp b/tests/core_tests/transaction_tests.cpp
index 07e6661d8..635c41503 100644
--- a/tests/core_tests/transaction_tests.cpp
+++ b/tests/core_tests/transaction_tests.cpp
@@ -81,9 +81,7 @@ bool test_transaction_generation_and_ring_signature()
     oe.second = boost::get<txout_to_key>(tx_mine_6.vout[0].target).key;
     src.outputs.push_back(oe);
 
-    crypto::public_key tx_pub_key = null_pkey;
-    cryptonote::parse_and_validate_tx_extra(tx_mine_2, tx_pub_key);
-    src.real_out_tx_key = tx_pub_key;
+    src.real_out_tx_key = cryptonote::get_tx_pub_key_from_extra(tx_mine_2);
     src.real_output = 1;
     src.real_output_in_tx_index = 0;
   }
@@ -95,7 +93,7 @@ bool test_transaction_generation_and_ring_signature()
   destinations.push_back(td);
 
   transaction tx_rc1;
-  bool r = construct_tx(miner_acc2.get_keys(), sources, destinations, tx_rc1, 0);
+  bool r = construct_tx(miner_acc2.get_keys(), sources, destinations, std::vector<uint8_t>(), tx_rc1, 0);
   CHECK_AND_ASSERT_MES(r, false, "failed to construct transaction");
 
   crypto::hash pref_hash = get_transaction_prefix_hash(tx_rc1);
diff --git a/tests/functional_tests/transactions_flow_test.cpp b/tests/functional_tests/transactions_flow_test.cpp
index ce65c8f20..4c6d5b07f 100644
--- a/tests/functional_tests/transactions_flow_test.cpp
+++ b/tests/functional_tests/transactions_flow_test.cpp
@@ -52,7 +52,7 @@ bool do_send_money(tools::wallet2& w1, tools::wallet2& w2, size_t mix_in_factor,
 
   try
   {
-    w1.transfer(dsts, mix_in_factor, 0, DEFAULT_FEE, tools::detail::null_split_strategy, tools::tx_dust_policy(DEFAULT_FEE), tx);
+    w1.transfer(dsts, mix_in_factor, 0, DEFAULT_FEE, std::vector<uint8_t>(), tools::detail::null_split_strategy, tools::tx_dust_policy(DEFAULT_FEE), tx);
     return true;
   }
   catch (const std::exception&)
@@ -144,7 +144,7 @@ bool transactions_flow_test(std::string& working_folder,
   }
 
   //lets make a lot of small outs to ourselves
-  //since it is not possible to start from transaction that bigger than 20Kb, we gonna make transactions 
+  //since it is not possible to start from transaction that bigger than 20Kb, we gonna make transactions
   //with 500 outs (about 18kb), and we have to wait appropriate count blocks, mined for test wallet
   while(true)
   {
diff --git a/tests/gtest/include/gtest/internal/gtest-port.h b/tests/gtest/include/gtest/internal/gtest-port.h
index fbf28cd4e..157b47f86 100644
--- a/tests/gtest/include/gtest/internal/gtest-port.h
+++ b/tests/gtest/include/gtest/internal/gtest-port.h
@@ -204,8 +204,6 @@
 #define GTEST_NAME_ "Google Test"
 #define GTEST_PROJECT_URL_ "http://code.google.com/p/googletest/"
 
-#define GTEST_HAS_TR1_TUPLE 0
-
 // Determines the version of gcc that is used to compile this.
 #ifdef __GNUC__
 // 40302 means version 4.3.2.
diff --git a/tests/performance_tests/check_ring_signature.h b/tests/performance_tests/check_ring_signature.h
index fc7574f92..dafa172e3 100644
--- a/tests/performance_tests/check_ring_signature.h
+++ b/tests/performance_tests/check_ring_signature.h
@@ -36,7 +36,7 @@ public:
     std::vector<tx_destination_entry> destinations;
     destinations.push_back(tx_destination_entry(this->m_source_amount, m_alice.get_keys().m_account_address));
 
-    if (!construct_tx(this->m_miners[this->real_source_idx].get_keys(), this->m_sources, destinations, m_tx, 0))
+    if (!construct_tx(this->m_miners[this->real_source_idx].get_keys(), this->m_sources, destinations, std::vector<uint8_t>(), m_tx, 0))
       return false;
 
     get_transaction_prefix_hash(m_tx, m_tx_prefix_hash);
diff --git a/tests/performance_tests/construct_tx.h b/tests/performance_tests/construct_tx.h
index 36507d6f3..1e7005941 100644
--- a/tests/performance_tests/construct_tx.h
+++ b/tests/performance_tests/construct_tx.h
@@ -42,7 +42,7 @@ public:
 
   bool test()
   {
-    return cryptonote::construct_tx(this->m_miners[this->real_source_idx].get_keys(), this->m_sources, m_destinations, m_tx, 0);
+    return cryptonote::construct_tx(this->m_miners[this->real_source_idx].get_keys(), this->m_sources, m_destinations, std::vector<uint8_t>(), m_tx, 0);
   }
 
 private:
diff --git a/tests/performance_tests/performance_utils.h b/tests/performance_tests/performance_utils.h
index fe1e1c7cd..45ca5b27b 100644
--- a/tests/performance_tests/performance_utils.h
+++ b/tests/performance_tests/performance_utils.h
@@ -14,7 +14,7 @@
 
 void set_process_affinity(int core)
 {
-#if defined(__APPLE__)
+#if defined (__APPLE__)
     return;
 #elif defined(BOOST_WINDOWS)
   DWORD_PTR mask = 1;
diff --git a/tests/unit_tests/test_format_utils.cpp b/tests/unit_tests/test_format_utils.cpp
index dfc05f55a..4dd877591 100644
--- a/tests/unit_tests/test_format_utils.cpp
+++ b/tests/unit_tests/test_format_utils.cpp
@@ -4,52 +4,132 @@
 
 #include "gtest/gtest.h"
 
+#include <vector>
+
 #include "common/util.h"
 #include "cryptonote_core/cryptonote_format_utils.h"
 
-TEST(parse_and_validate_tx_extra, is_correct_parse_and_validate_tx_extra)
+
+TEST(parse_tx_extra, handles_empty_extra)
+{
+  std::vector<uint8_t> extra;;
+  std::vector<cryptonote::tx_extra_field> tx_extra_fields;
+  ASSERT_TRUE(cryptonote::parse_tx_extra(extra, tx_extra_fields));
+  ASSERT_TRUE(tx_extra_fields.empty());
+}
+
+TEST(parse_tx_extra, handles_padding_only_size_1)
+{
+  const uint8_t extra_arr[] = {0};
+  std::vector<uint8_t> extra(&extra_arr[0], &extra_arr[0] + sizeof(extra_arr));
+  std::vector<cryptonote::tx_extra_field> tx_extra_fields;
+  ASSERT_TRUE(cryptonote::parse_tx_extra(extra, tx_extra_fields));
+  ASSERT_EQ(1, tx_extra_fields.size());
+  ASSERT_EQ(typeid(cryptonote::tx_extra_padding), tx_extra_fields[0].type());
+  ASSERT_EQ(1, boost::get<cryptonote::tx_extra_padding>(tx_extra_fields[0]).size);
+}
+
+TEST(parse_tx_extra, handles_padding_only_size_2)
+{
+  const uint8_t extra_arr[] = {0, 0};
+  std::vector<uint8_t> extra(&extra_arr[0], &extra_arr[0] + sizeof(extra_arr));
+  std::vector<cryptonote::tx_extra_field> tx_extra_fields;
+  ASSERT_TRUE(cryptonote::parse_tx_extra(extra, tx_extra_fields));
+  ASSERT_EQ(1, tx_extra_fields.size());
+  ASSERT_EQ(typeid(cryptonote::tx_extra_padding), tx_extra_fields[0].type());
+  ASSERT_EQ(2, boost::get<cryptonote::tx_extra_padding>(tx_extra_fields[0]).size);
+}
+
+TEST(parse_tx_extra, handles_padding_only_max_size)
+{
+  std::vector<uint8_t> extra(TX_EXTRA_NONCE_MAX_COUNT, 0);
+  std::vector<cryptonote::tx_extra_field> tx_extra_fields;
+  ASSERT_TRUE(cryptonote::parse_tx_extra(extra, tx_extra_fields));
+  ASSERT_EQ(1, tx_extra_fields.size());
+  ASSERT_EQ(typeid(cryptonote::tx_extra_padding), tx_extra_fields[0].type());
+  ASSERT_EQ(TX_EXTRA_NONCE_MAX_COUNT, boost::get<cryptonote::tx_extra_padding>(tx_extra_fields[0]).size);
+}
+
+TEST(parse_tx_extra, handles_padding_only_exceed_max_size)
+{
+  std::vector<uint8_t> extra(TX_EXTRA_NONCE_MAX_COUNT + 1, 0);
+  std::vector<cryptonote::tx_extra_field> tx_extra_fields;
+  ASSERT_FALSE(cryptonote::parse_tx_extra(extra, tx_extra_fields));
+}
+
+TEST(parse_tx_extra, handles_invalid_padding_only)
+{
+  std::vector<uint8_t> extra(2, 0);
+  extra[1] = 42;
+  std::vector<cryptonote::tx_extra_field> tx_extra_fields;
+  ASSERT_FALSE(cryptonote::parse_tx_extra(extra, tx_extra_fields));
+}
+
+TEST(parse_tx_extra, handles_pub_key_only)
+{
+  const uint8_t extra_arr[] = {1, 30, 208, 98, 162, 133, 64, 85, 83, 112, 91, 188, 89, 211, 24, 131, 39, 154, 22, 228,
+    80, 63, 198, 141, 173, 111, 244, 183, 4, 149, 186, 140, 230};
+  std::vector<uint8_t> extra(&extra_arr[0], &extra_arr[0] + sizeof(extra_arr));
+  std::vector<cryptonote::tx_extra_field> tx_extra_fields;
+  ASSERT_TRUE(cryptonote::parse_tx_extra(extra, tx_extra_fields));
+  ASSERT_EQ(1, tx_extra_fields.size());
+  ASSERT_EQ(typeid(cryptonote::tx_extra_pub_key), tx_extra_fields[0].type());
+}
+
+TEST(parse_tx_extra, handles_extra_nonce_only)
+{
+  const uint8_t extra_arr[] = {2, 1, 42};
+  std::vector<uint8_t> extra(&extra_arr[0], &extra_arr[0] + sizeof(extra_arr));
+  std::vector<cryptonote::tx_extra_field> tx_extra_fields;
+  ASSERT_TRUE(cryptonote::parse_tx_extra(extra, tx_extra_fields));
+  ASSERT_EQ(1, tx_extra_fields.size());
+  ASSERT_EQ(typeid(cryptonote::tx_extra_nonce), tx_extra_fields[0].type());
+  cryptonote::tx_extra_nonce extra_nonce = boost::get<cryptonote::tx_extra_nonce>(tx_extra_fields[0]);
+  ASSERT_EQ(1, extra_nonce.nonce.size());
+  ASSERT_EQ(42, extra_nonce.nonce[0]);
+}
+
+TEST(parse_tx_extra, handles_pub_key_and_padding)
+{
+  const uint8_t extra_arr[] = {1, 30, 208, 98, 162, 133, 64, 85, 83, 112, 91, 188, 89, 211, 24, 131, 39, 154, 22, 228,
+    80, 63, 198, 141, 173, 111, 244, 183, 4, 149, 186, 140, 230, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
+  std::vector<uint8_t> extra(&extra_arr[0], &extra_arr[0] + sizeof(extra_arr));
+  std::vector<cryptonote::tx_extra_field> tx_extra_fields;
+  ASSERT_TRUE(cryptonote::parse_tx_extra(extra, tx_extra_fields));
+  ASSERT_EQ(2, tx_extra_fields.size());
+  ASSERT_EQ(typeid(cryptonote::tx_extra_pub_key), tx_extra_fields[0].type());
+  ASSERT_EQ(typeid(cryptonote::tx_extra_padding), tx_extra_fields[1].type());
+}
+
+TEST(parse_and_validate_tx_extra, is_valid_tx_extra_parsed)
 {
   cryptonote::transaction tx = AUTO_VAL_INIT(tx);
   cryptonote::account_base acc;
   acc.generate();
   cryptonote::blobdata b = "dsdsdfsdfsf";
-  bool r = cryptonote::construct_miner_tx(0, 0, 10000000000000, 1000, DEFAULT_FEE, acc.get_keys().m_account_address, tx, b, 1);
-  ASSERT_TRUE(r);
-  crypto::public_key tx_pub_key;
-  r = cryptonote::parse_and_validate_tx_extra(tx, tx_pub_key);
-  ASSERT_TRUE(r);
+  ASSERT_TRUE(cryptonote::construct_miner_tx(0, 0, 10000000000000, 1000, DEFAULT_FEE, acc.get_keys().m_account_address, tx, b, 1));
+  crypto::public_key tx_pub_key = cryptonote::get_tx_pub_key_from_extra(tx);
+  ASSERT_NE(tx_pub_key, cryptonote::null_pkey);
 }
-TEST(parse_and_validate_tx_extra, is_correct_extranonce_too_big)
+TEST(parse_and_validate_tx_extra, fails_on_big_extra_nonce)
 {
   cryptonote::transaction tx = AUTO_VAL_INIT(tx);
   cryptonote::account_base acc;
   acc.generate();
-  cryptonote::blobdata b(260, 0);
-  bool r = cryptonote::construct_miner_tx(0, 0, 10000000000000, 1000, DEFAULT_FEE, acc.get_keys().m_account_address, tx, b, 1);
-  ASSERT_FALSE(r);
+  cryptonote::blobdata b(TX_EXTRA_NONCE_MAX_COUNT + 1, 0);
+  ASSERT_FALSE(cryptonote::construct_miner_tx(0, 0, 10000000000000, 1000, DEFAULT_FEE, acc.get_keys().m_account_address, tx, b, 1));
 }
-TEST(parse_and_validate_tx_extra, is_correct_wrong_extra_couner_too_big)
+TEST(parse_and_validate_tx_extra, fails_on_wrong_size_in_extra_nonce)
 {
   cryptonote::transaction tx = AUTO_VAL_INIT(tx);
   tx.extra.resize(20, 0);
   tx.extra[0] = TX_EXTRA_NONCE;
   tx.extra[1] = 255;
-  crypto::public_key tx_pub_key;
-  bool r = parse_and_validate_tx_extra(tx, tx_pub_key);
-  ASSERT_FALSE(r);
+  std::vector<cryptonote::tx_extra_field> tx_extra_fields;
+  ASSERT_FALSE(cryptonote::parse_tx_extra(tx.extra, tx_extra_fields));
 }
-TEST(parse_and_validate_tx_extra, is_correct_wrong_extra_nonce_double_entry)
-{
-  cryptonote::transaction tx = AUTO_VAL_INIT(tx);
-  tx.extra.resize(20, 0);
-  cryptonote::blobdata v = "asasdasd";
-  cryptonote::add_tx_extra_nonce(tx, v);
-  cryptonote::add_tx_extra_nonce(tx, v);
-  crypto::public_key tx_pub_key;
-  bool r = parse_and_validate_tx_extra(tx, tx_pub_key);
-  ASSERT_FALSE(r);
-}
-
 TEST(validate_parse_amount_case, validate_parse_amount)
 {
   uint64_t res = 0;