diff --git a/dap-sdk b/dap-sdk
index 8b19997fc272166ab0ed5f4a68d960cb20dbb5fc..6433d931b917ceb7b71967817acc03c454dabb30 160000
--- a/dap-sdk
+++ b/dap-sdk
@@ -1 +1 @@
-Subproject commit 8b19997fc272166ab0ed5f4a68d960cb20dbb5fc
+Subproject commit 6433d931b917ceb7b71967817acc03c454dabb30
diff --git a/modules/channel/chain-net/dap_stream_ch_chain_net.c b/modules/channel/chain-net/dap_stream_ch_chain_net.c
index 661b934c1dcca37cfbe5841510c8ffa6ee1c76fe..8707e576fc4d95f2835d7ae2d3482930d472b958 100644
--- a/modules/channel/chain-net/dap_stream_ch_chain_net.c
+++ b/modules/channel/chain-net/dap_stream_ch_chain_net.c
@@ -188,13 +188,19 @@ static bool s_stream_ch_packet_in(dap_stream_ch_t *a_ch, void* a_arg)
                                               l_ch_chain_net_pkt->hdr.net_id,NULL, 0);
             dap_stream_ch_set_ready_to_write_unsafe(a_ch, true);
             break;
-            // receive pong request -> send nothing
+
+        // received pong request -> send nothing
         case DAP_STREAM_CH_CHAIN_NET_PKT_TYPE_PONG:
             //log_it(L_INFO, "Get CHAIN_CH_NET_PKT_TYPE_PONG");
             dap_stream_ch_set_ready_to_write_unsafe(a_ch, false);
             break;
 
         case DAP_STREAM_CH_CHAIN_NET_PKT_TYPE_NODE_VALIDATOR_READY_REQUEST:{
+            if (l_ch_chain_net_pkt->hdr.data_size != DAP_CHAIN_NET_CH_VALIDATOR_READY_REQUEST_SIZE) {
+                log_it(L_WARNING, "Invalid VALIDATOR_READY_REQUEST size %hu, expected %zu", l_ch_chain_net_pkt->hdr.data_size,
+                                                                            DAP_CHAIN_NET_CH_VALIDATOR_READY_REQUEST_SIZE);
+                return false;
+            }
             log_it(L_INFO, "Get CH_CHAIN_NET_PKT_TYPE_NODE_VALIDATOR_READY_REQUEST");
             dap_chain_net_t * l_net = dap_chain_net_by_id( l_ch_chain_net_pkt->hdr.net_id );
             if ( l_net == NULL){
@@ -203,83 +209,77 @@ static bool s_stream_ch_packet_in(dap_stream_ch_t *a_ch, void* a_arg)
                                                   l_ch_chain_net_pkt->hdr.net_id, l_err_str,sizeof (l_err_str));
                 dap_stream_ch_set_ready_to_write_unsafe(a_ch, true);
                 log_it(L_ERROR, "Invalid net id in packet");
-            } else {
-                dap_list_t * l_orders = NULL;
-                dap_enc_key_t *l_enc_key_pvt = NULL;
-                dap_chain_t *l_chain = NULL;
-                DL_FOREACH(l_net->pub.chains, l_chain)
-                    if (!dap_strcmp(dap_chain_get_cs_type(l_chain), "esbocs")) {
-                        l_enc_key_pvt = dap_chain_esbocs_get_sign_key(l_chain);
-                        if (l_enc_key_pvt)
-                            break;
-                    }
-                dap_sign_t *l_sign = NULL;
-                size_t sign_s = 0;
-                size_t l_orders_num = 0;
-                dap_chain_ch_validator_test_t *send = NULL;
-                dap_chain_net_srv_price_unit_uid_t l_price_unit = { { 0 } };
-                dap_chain_net_srv_uid_t l_uid = { .uint64 = DAP_CHAIN_NET_SRV_STAKE_POS_DELEGATE_ID };
-                uint256_t l_price_min = {};
-                uint256_t l_price_max = {};
-                uint8_t flags = 0;
-                dap_chain_node_addr_t l_cur_node_addr = {
-                    .uint64 = dap_chain_net_get_cur_addr_int(l_net)
-                };
-
-                if (l_enc_key_pvt) {
-                    flags = flags | F_CERT;//faund sert
-                    l_sign = dap_sign_create(l_enc_key_pvt, (uint8_t*)l_ch_chain_net_pkt->data,
-                                           l_ch_chain_net_pkt->hdr.data_size, 0);
-                    if(l_sign)
-                    {
-                        sign_s = dap_sign_get_size(l_sign);
-                        flags = flags | D_SIGN;//data signed
-                    }
-                    else
-                        flags = flags & ~D_SIGN;//data doesn't sign
+                break;
+            }
+            dap_list_t * l_orders = NULL;
+            dap_enc_key_t *l_enc_key_pvt = NULL;
+            dap_chain_t *l_chain = NULL;
+            DL_FOREACH(l_net->pub.chains, l_chain)
+                if (!dap_strcmp(dap_chain_get_cs_type(l_chain), "esbocs")) {
+                    l_enc_key_pvt = dap_chain_esbocs_get_sign_key(l_chain);
+                    if (l_enc_key_pvt)
+                        break;
                 }
-                else
-                    flags = flags & ~F_CERT;//Specified certificate not found
+            dap_sign_t *l_sign = NULL;
+            size_t sign_s = 0;
+            size_t l_orders_num = 0;
+            dap_chain_ch_validator_test_t *send = NULL;
+            dap_chain_net_srv_price_unit_uid_t l_price_unit = { { 0 } };
+            dap_chain_net_srv_uid_t l_uid = { .uint64 = DAP_CHAIN_NET_SRV_STAKE_POS_DELEGATE_ID };
+            uint256_t l_price_min = {};
+            uint256_t l_price_max = {};
+            uint8_t flags = 0;
+
+            if (l_enc_key_pvt) {
+                flags = flags | F_CERT;//faund sert
+                l_sign = dap_sign_create(l_enc_key_pvt, (uint8_t*)l_ch_chain_net_pkt->data, l_ch_chain_net_pkt->hdr.data_size, 0);
+                if (l_sign) {
+                    sign_s = dap_sign_get_size(l_sign);
+                    flags = flags | D_SIGN;//data signed
+                } else
+                    flags = flags & ~D_SIGN;//data doesn't sign
+            }
+            else
+                flags = flags & ~F_CERT;//Specified certificate not found
 
-                send = DAP_NEW_Z_SIZE(dap_chain_ch_validator_test_t, sizeof(dap_chain_ch_validator_test_t) + sign_s);
+            send = DAP_NEW_Z_SIZE(dap_chain_ch_validator_test_t, sizeof(dap_chain_ch_validator_test_t) + sign_s);
 #ifdef DAP_VERSION
-                strncpy((char *)send->header.version, (char *)DAP_VERSION, sizeof(send->header.version));
+            strncpy((char *)send->header.version, (char *)DAP_VERSION, sizeof(send->header.version));
 #endif
-                send->header.sign_size = sign_s;
-                //strncpy(send->header.data,(uint8_t*)l_ch_chain_net_pkt->data,10);
-                flags = (l_net->pub.mempool_autoproc) ? flags | A_PROC : flags & ~A_PROC;
+            send->header.sign_size = sign_s;
+            //strncpy(send->header.data,(uint8_t*)l_ch_chain_net_pkt->data,10);
+            flags = (l_net->pub.mempool_autoproc) ? flags | A_PROC : flags & ~A_PROC;
 
-                if (dap_chain_net_srv_order_find_all_by(l_net,SERV_DIR_UNDEFINED,l_uid,
-                                                    l_price_unit,NULL,l_price_min,l_price_max,&l_orders,&l_orders_num)==0){
-                    for (dap_list_t *l_temp = l_orders;l_temp; l_temp = l_orders->next){
-                        dap_chain_net_srv_order_t *l_order =(dap_chain_net_srv_order_t *) l_temp->data;
-                        if(l_order->node_addr.uint64 == l_cur_node_addr.uint64)
-                        {
-                            flags = flags | F_ORDR;
-                            break;
-                        }
+            if (dap_chain_net_srv_order_find_all_by(l_net,SERV_DIR_UNDEFINED,l_uid,
+                                                l_price_unit,NULL,l_price_min,l_price_max,&l_orders,&l_orders_num)==0){
+                for (dap_list_t *l_temp = l_orders;l_temp; l_temp = l_orders->next){
+                    dap_chain_net_srv_order_t *l_order =(dap_chain_net_srv_order_t *) l_temp->data;
+                    if(l_order->node_addr.uint64 == g_node_addr.uint64)
+                    {
+                        flags = flags | F_ORDR;
+                        break;
                     }
-                    dap_list_free_full(l_orders, NULL);
                 }
-                bool auto_online = dap_config_get_item_bool_default( g_config, "general", "auto_online", false );
-                bool auto_update = false;
-                if((system("systemctl status cellframe-updater.service") == 768) && (system("systemctl status cellframe-updater.timer") == 0))
-                    auto_update = true;
-                else
-                    auto_update = false;
-                flags = auto_online ? flags | A_ONLN : flags & ~A_ONLN;
-                flags = auto_update ? flags | A_UPDT : flags & ~A_UPDT;
-                send->header.flags = flags;
-                //add sign
-                if(sign_s)
-                    memcpy(send->sign,l_sign,sign_s);
-                dap_stream_ch_chain_net_pkt_write(a_ch, DAP_STREAM_CH_CHAIN_NET_PKT_TYPE_NODE_VALIDATOR_READY ,
-                                                 l_ch_chain_net_pkt->hdr.net_id, send, sizeof(dap_chain_ch_validator_test_t) + sign_s);
-                dap_stream_ch_set_ready_to_write_unsafe(a_ch, true);
-                if(l_sign)
-                    DAP_DELETE(l_sign);
-                DAP_DELETE(send);
+                dap_list_free_full(l_orders, NULL);
             }
+            bool auto_online = dap_config_get_item_bool_default( g_config, "general", "auto_online", false );
+            bool auto_update = false;
+            if((system("systemctl status cellframe-updater.service") == 768) && (system("systemctl status cellframe-updater.timer") == 0))
+                auto_update = true;
+            else
+                auto_update = false;
+            flags = auto_online ? flags | A_ONLN : flags & ~A_ONLN;
+            flags = auto_update ? flags | A_UPDT : flags & ~A_UPDT;
+            send->header.flags = flags;
+            //add sign
+            if(sign_s)
+                memcpy(send->sign,l_sign,sign_s);
+            dap_stream_ch_chain_net_pkt_write(a_ch, DAP_STREAM_CH_CHAIN_NET_PKT_TYPE_NODE_VALIDATOR_READY ,
+                                             l_ch_chain_net_pkt->hdr.net_id, send, sizeof(dap_chain_ch_validator_test_t) + sign_s);
+            dap_stream_ch_set_ready_to_write_unsafe(a_ch, true);
+            if(l_sign)
+                DAP_DELETE(l_sign);
+            DAP_DELETE(send);
         } break;
 
         case DAP_STREAM_CH_CHAIN_NET_PKT_TYPE_NODE_VALIDATOR_READY:{
diff --git a/modules/channel/chain-net/include/dap_stream_ch_chain_net_pkt.h b/modules/channel/chain-net/include/dap_stream_ch_chain_net_pkt.h
index d6a9573c7d7d4b5c7d26435e87c4ec2346c57bc7..983a290cdc14bf03650689c1ee3e86b2a78a162e 100644
--- a/modules/channel/chain-net/include/dap_stream_ch_chain_net_pkt.h
+++ b/modules/channel/chain-net/include/dap_stream_ch_chain_net_pkt.h
@@ -45,6 +45,8 @@
 
 #define DAP_STREAM_CH_CHAIN_NET_PKT_TYPE_ERROR                          0xff
 
+#define DAP_CHAIN_NET_CH_VALIDATOR_READY_REQUEST_SIZE                   1024
+
 typedef struct stream_ch_chain_net_pkt_hdr {
     uint8_t version;
     byte_t padding;
diff --git a/modules/common/dap_chain_datum.c b/modules/common/dap_chain_datum.c
index e21e4c20a087d9845b0e999412e80679079435eb..f70b98db1c44f4d8e48f4e285803295974fdf862 100644
--- a/modules/common/dap_chain_datum.c
+++ b/modules/common/dap_chain_datum.c
@@ -47,11 +47,8 @@
  */
 dap_chain_datum_t *dap_chain_datum_create(uint16_t a_type_id, const void *a_data, size_t a_data_size)
 {
-   dap_chain_datum_t *l_datum = DAP_NEW_Z_SIZE(dap_chain_datum_t, sizeof(l_datum->header) + a_data_size);
-   if(!l_datum) {
-        log_it(L_CRITICAL, "%s", g_error_memory_alloc);
-        return NULL;
-   }
+   dap_chain_datum_t *l_datum = NULL;
+   DAP_NEW_Z_SIZE_RET_VAL(l_datum, dap_chain_datum_t, sizeof(l_datum->header) + a_data_size, NULL, NULL);
    *l_datum = (dap_chain_datum_t) {
         .header = {
             .version_id = DAP_CHAIN_DATUM_VERSION,
diff --git a/modules/common/dap_chain_datum_tx.c b/modules/common/dap_chain_datum_tx.c
index 01511bfd93ec2efaea5a476736a7e8b468535a9e..e8069c9cb6c787d9ffc7d74d25243ad959e9b05f 100644
--- a/modules/common/dap_chain_datum_tx.c
+++ b/modules/common/dap_chain_datum_tx.c
@@ -296,40 +296,36 @@ int dap_chain_datum_tx_add_sign_item(dap_chain_datum_tx_t **a_tx, dap_enc_key_t
  *
  * return 1 Ok, 0 Invalid signature, -1 Not found signature or other Error
  */
-int dap_chain_datum_tx_verify_sign(dap_chain_datum_tx_t *tx)
+int dap_chain_datum_tx_verify_sign(dap_chain_datum_tx_t *a_tx)
 {
-    int ret = -1;
-    if(!tx)
-        return -2;
-    uint32_t tx_items_pos = 0, tx_items_size = tx->header.tx_items_size;
+    dap_return_val_if_pass(!a_tx, -1);
+    int l_ret = 0;
+    uint32_t tx_items_pos = 0, tx_items_size = a_tx->header.tx_items_size;
     while(tx_items_pos < tx_items_size) {
-        uint8_t *item = tx->tx_items + tx_items_pos;
+        uint8_t *item = a_tx->tx_items + tx_items_pos;
         size_t l_item_tx_size = dap_chain_datum_item_tx_get_size(item);
         if(!l_item_tx_size || l_item_tx_size > tx_items_size)
-            return -3;
+            return -2;
         if(dap_chain_datum_tx_item_get_type(item) == TX_ITEM_TYPE_SIG) {
             dap_chain_tx_sig_t *l_item_tx_sig = (dap_chain_tx_sig_t*) item;
             dap_sign_t *l_sign = (dap_sign_t*) l_item_tx_sig->sig;
             if ( ( l_sign->header.sign_size + l_sign->header.sign_pkey_size +sizeof (l_sign->header) )
                   > l_item_tx_size ){
                 log_it(L_WARNING,"Incorrect signature's header, possible corrupted data");
-                return -4;
+                return -3;
             }
-            if (dap_sign_verify_all(l_sign, tx_items_size, tx->tx_items, tx_items_pos)) {
+            if ((l_ret = dap_sign_verify_all(l_sign, tx_items_size, a_tx->tx_items, tx_items_pos))) {
                 // invalid signature
-                ret = 0;
                 tx_items_pos += l_item_tx_size;
                 break;
             }
-            // signature verify successfully
-            ret = 1;
         }
         // sign item or items must be at the end, therefore ret will be changed later anyway
         else
-            ret = -4;
+            l_ret = -4;
         // go to text item
         tx_items_pos += l_item_tx_size;
     }
     assert(tx_items_pos == tx_items_size);
-    return ret;
+    return l_ret;
 }
diff --git a/modules/mempool/dap_chain_mempool.c b/modules/mempool/dap_chain_mempool.c
index 19b1f2a926e4611a18250e599ef7a90259058e36..91d06c0e68a9105616d48f1b29fcddac427b7016 100644
--- a/modules/mempool/dap_chain_mempool.c
+++ b/modules/mempool/dap_chain_mempool.c
@@ -88,10 +88,7 @@ int dap_datum_mempool_init(void)
  */
 char *dap_chain_mempool_datum_add(const dap_chain_datum_t *a_datum, dap_chain_t *a_chain, const char *a_hash_out_type)
 {
-    if( a_datum == NULL){
-        log_it(L_ERROR, "NULL datum trying to add in mempool");
-        return NULL;
-    }
+    dap_return_val_if_pass(!a_datum, NULL);
 
     dap_chain_hash_fast_t l_key_hash;
     dap_hash_fast(a_datum->data, a_datum->header.data_size, &l_key_hash);
@@ -149,9 +146,8 @@ char *dap_chain_mempool_tx_create(dap_chain_t * a_chain, dap_enc_key_t *a_key_fr
         uint256_t a_value, uint256_t a_value_fee, const char *a_hash_out_type)
 {
     // check valid param
-    if(!a_chain | !a_key_from || ! a_addr_from || !a_key_from->priv_key_data || !a_key_from->priv_key_data_size ||
-            dap_chain_addr_check_sum(a_addr_from) || (a_addr_to && dap_chain_addr_check_sum(a_addr_to)) || IS_ZERO_256(a_value))
-        return NULL;
+    dap_return_val_if_pass(!a_chain | !a_key_from || !a_addr_from || !a_key_from->priv_key_data || !a_key_from->priv_key_data_size ||
+            dap_chain_addr_check_sum(a_addr_from) || (a_addr_to && dap_chain_addr_check_sum(a_addr_to)) || IS_ZERO_256(a_value), NULL);
 
     const char *l_native_ticker = dap_chain_net_by_id(a_chain->net_id)->pub.native_ticker;
     bool l_single_channel = !dap_strcmp(a_token_ticker, l_native_ticker);
@@ -577,7 +573,7 @@ int dap_chain_mempool_tx_create_massive( dap_chain_t * a_chain, dap_enc_key_t *a
         return -2;
     }
 
-    dap_global_db_obj_t * l_objs = DAP_NEW_Z_SIZE(dap_global_db_obj_t, (a_tx_num + 1) * sizeof (dap_global_db_obj_t));
+    dap_global_db_obj_t * l_objs = DAP_NEW_Z_SIZE(dap_global_db_obj_t, a_tx_num * sizeof (dap_global_db_obj_t));
     uint256_t l_net_fee = {}, l_total_fee = {};
     dap_chain_addr_t l_addr_fee = {};
     bool l_net_fee_used = dap_chain_net_tx_get_fee(a_chain->net_id, &l_net_fee, &l_addr_fee);
@@ -592,13 +588,13 @@ int dap_chain_mempool_tx_create_massive( dap_chain_t * a_chain, dap_enc_key_t *a
     log_it(L_DEBUG, "Create %"DAP_UINT64_FORMAT_U" transactions, summary %s", a_tx_num, l_balance);
     dap_ledger_t *l_ledger = dap_chain_net_by_id(a_chain->net_id)->pub.ledger;
     dap_list_t *l_list_used_out = dap_ledger_get_list_tx_outs_with_val(l_ledger, a_token_ticker,
-                                                                             a_addr_from, l_value_need, &l_value_transfer);
+                                                                          a_addr_from, l_value_need, &l_value_transfer);
     if (!l_list_used_out) {
         log_it(L_WARNING,"Not enough funds to transfer");
         DAP_DELETE(l_objs);
         return -2;
     }
-
+    
     dap_chain_hash_fast_t l_tx_new_hash = {0};
     for (size_t i=0; i< a_tx_num ; i++){
         log_it(L_DEBUG, "Prepare tx %zu",i);
@@ -635,6 +631,7 @@ int dap_chain_mempool_tx_create_massive( dap_chain_t * a_chain, dap_enc_key_t *a
                          "Not enough values on output to produce enough inputs: %s when need ", l_balance);
             strcat(l_log_str, dap_uint256_to_char(l_single_val, NULL));
             log_it(L_ERROR, "%s", l_log_str);
+            dap_list_free_full(l_list_used_out, NULL);
             DAP_DELETE(l_objs);
             return -5;
         }
@@ -645,6 +642,7 @@ int dap_chain_mempool_tx_create_massive( dap_chain_t * a_chain, dap_enc_key_t *a
             SUM_256_256(l_value_pack, a_value, &l_value_pack);
         else {
             dap_chain_datum_tx_delete(l_tx_new);
+            dap_list_free_full(l_list_used_out, NULL);
             DAP_DELETE(l_objs);
             return -3;
         }
@@ -654,6 +652,7 @@ int dap_chain_mempool_tx_create_massive( dap_chain_t * a_chain, dap_enc_key_t *a
                 SUM_256_256(l_value_pack, l_net_fee, &l_value_pack);
             else {
                 dap_chain_datum_tx_delete(l_tx_new);
+                dap_list_free_full(l_list_used_out, NULL);
                 DAP_DELETE(l_objs);
                 return -3;
             }
@@ -664,6 +663,7 @@ int dap_chain_mempool_tx_create_massive( dap_chain_t * a_chain, dap_enc_key_t *a
                 SUM_256_256(l_value_pack, a_value_fee, &l_value_pack);
             else {
                 dap_chain_datum_tx_delete(l_tx_new);
+                dap_list_free_full(l_list_used_out, NULL);
                 DAP_DELETE(l_objs);
                 return -3;
             }
@@ -673,6 +673,7 @@ int dap_chain_mempool_tx_create_massive( dap_chain_t * a_chain, dap_enc_key_t *a
         if (!IS_ZERO_256(l_value_back)) {
             if(dap_chain_datum_tx_add_out_item(&l_tx_new, a_addr_from, l_value_back) != 1) {
                 dap_chain_datum_tx_delete(l_tx_new);
+                dap_list_free_full(l_list_used_out, NULL);
                 DAP_DELETE(l_objs);
                 return -3;
             }
@@ -681,6 +682,7 @@ int dap_chain_mempool_tx_create_massive( dap_chain_t * a_chain, dap_enc_key_t *a
         // add 'sign' items
         if(dap_chain_datum_tx_add_sign_item(&l_tx_new, a_key_from) != 1) {
             dap_chain_datum_tx_delete(l_tx_new);
+            dap_list_free_full(l_list_used_out, NULL);
             DAP_DELETE(l_objs);
             return -4;
         }
@@ -713,8 +715,8 @@ int dap_chain_mempool_tx_create_massive( dap_chain_t * a_chain, dap_enc_key_t *a
                     dap_chain_tx_used_out_item_t *l_item_back = DAP_NEW_Z(dap_chain_tx_used_out_item_t);
                     if (!l_item_back) {
                         log_it(L_CRITICAL, "%s", g_error_memory_alloc);
+                        dap_list_free_full(l_list_used_out, NULL);
                         DAP_DELETE(l_objs);
-                        dap_list_free(l_list_out_items);
                         return -6;
                     }
                     *l_item_back = (dap_chain_tx_used_out_item_t) {
@@ -729,27 +731,25 @@ int dap_chain_mempool_tx_create_massive( dap_chain_t * a_chain, dap_enc_key_t *a
                 l_list_tmp = l_list_tmp->next;
                 l_out_idx_tmp++;
             }
-            dap_list_free(l_list_out_items);
         }
         SUBTRACT_256_256(l_value_transfer, l_value_pack, &l_value_transfer);
 
         // Now produce datum
         dap_chain_datum_t *l_datum = dap_chain_datum_create(DAP_CHAIN_DATUM_TX, l_tx_new, l_tx_size);
-
-        dap_chain_datum_tx_delete(l_tx_new);
-        //dap_ledger_tx_add( a_chain->ledger, l_tx);
-
+        //dap_global_db_set_sync(l_gdb_group, l_key_str, a_datum, dap_chain_datum_size(l_datum), false);
         l_objs[i].key = dap_chain_hash_fast_to_str_new(&l_tx_new_hash);
         l_objs[i].value = (uint8_t *)l_datum;
         l_objs[i].value_len = dap_chain_datum_size(l_datum);
+        l_objs[i].timestamp = dap_nanotime_now();
         log_it(L_DEBUG, "Prepared obj with key %s (value_len = %"DAP_UINT64_FORMAT_U")",
-               l_objs[i].key? l_objs[i].key :"NULL" , l_objs[i].value_len );
+               l_objs[i].key ? l_objs[i].key :"NULL" , l_objs[i].value_len );
+        dap_chain_datum_tx_delete(l_tx_new);
+
     }
     dap_list_free_full(l_list_used_out, NULL);
-
     char *l_gdb_group = dap_chain_net_get_gdb_group_mempool_new(a_chain);
     dap_global_db_set_multiple_zc(l_gdb_group, l_objs, a_tx_num, s_tx_create_massive_gdb_save_callback, NULL);
-    DAP_DELETE(l_gdb_group);
+    DAP_DEL_Z(l_gdb_group);
     return 0;
 }
 
@@ -770,7 +770,6 @@ static bool s_tx_create_massive_gdb_save_callback(dap_global_db_instance_t *a_db
                                                   const size_t a_values_total, const size_t a_values_count,
                                                   dap_global_db_obj_t *a_values, void *a_arg)
 {
-    DAP_DELETE(a_values);
     if(!a_rc) {
         log_it(L_NOTICE, "%zu transaction are placed in mempool", a_values_total);
         return true;
@@ -1005,7 +1004,6 @@ char *dap_chain_mempool_tx_create_cond(dap_chain_net_t *a_net,
         log_it( L_ERROR, "Can't add sign output");
         return NULL;
     }
-
     size_t l_tx_size = dap_chain_datum_tx_get_size( l_tx );
     dap_chain_datum_t *l_datum = dap_chain_datum_create( DAP_CHAIN_DATUM_TX, l_tx, l_tx_size );
     dap_chain_datum_tx_delete(l_tx);
diff --git a/modules/net/dap_chain_ledger.c b/modules/net/dap_chain_ledger.c
index 40ccfc136e1dfa1beffbe2e63f8a36089f47c19a..3b2ce8bc1086a03751a79dd8b32764601053ef35 100644
--- a/modules/net/dap_chain_ledger.c
+++ b/modules/net/dap_chain_ledger.c
@@ -336,12 +336,6 @@ typedef struct dap_ledger_private {
     dap_list_t *tx_add_notifiers;
 
     dap_ledger_cache_tx_check_callback_t cache_tx_check_callback;
-    // TPS section
-    dap_timerfd_t *tps_timer;
-    struct timespec tps_start_time;
-    struct timespec tps_current_time;
-    struct timespec tps_end_time;
-    size_t tps_count;
     // Threshold fee
     dap_interval_timer_t threshold_txs_free_timer, threshold_emissions_free_timer;
 } dap_ledger_private_t;
@@ -363,7 +357,6 @@ static void s_threshold_emission_free(dap_ledger_t *a_ledger);
 static int s_token_tsd_parse(dap_ledger_t * a_ledger, dap_ledger_token_item_t *a_token_item , dap_chain_datum_token_t * a_token, size_t a_token_size);
 static int s_tsd_sign_apply(dap_ledger_t *a_ledger, dap_ledger_token_item_t *a_token_item , dap_chain_datum_token_t *a_token, size_t a_token_size);
 static int s_ledger_permissions_check(dap_ledger_token_item_t *  a_token_item, uint16_t a_permission_id, const void * a_data,size_t a_data_size );
-static bool s_ledger_tps_callback(void *a_arg);
 static int s_sort_ledger_tx_item(dap_ledger_tx_item_t* a, dap_ledger_tx_item_t* b);
 
 static size_t s_threshold_emissions_max = 1000;
@@ -3887,7 +3880,7 @@ int dap_ledger_tx_cache_check(dap_ledger_t *a_ledger,
     int l_prev_tx_count = 0;
 
     // 1. Verify signature in current transaction
-    if (!a_from_threshold && dap_chain_datum_tx_verify_sign(a_tx) != 1)
+    if (!a_from_threshold && dap_chain_datum_tx_verify_sign(a_tx))
         return DAP_LEDGER_TX_CHECK_INVALID_TX_SIGN;
 
     // ----------------------------------------------------------------
@@ -4719,8 +4712,7 @@ int dap_ledger_tx_cache_check(dap_ledger_t *a_ledger,
  */
 int dap_ledger_tx_add_check(dap_ledger_t *a_ledger, dap_chain_datum_tx_t *a_tx, size_t a_datum_size, dap_hash_fast_t *a_datum_hash)
 {
-    if (!a_tx)
-        return DAP_LEDGER_TX_CHECK_NULL_TX;
+    dap_return_val_if_pass(!a_tx, DAP_LEDGER_TX_CHECK_NULL_TX);
 
     size_t l_tx_size = dap_chain_datum_tx_get_size(a_tx);
     if (l_tx_size != a_datum_size) {
@@ -4731,13 +4723,11 @@ int dap_ledger_tx_add_check(dap_ledger_t *a_ledger, dap_chain_datum_tx_t *a_tx,
     int l_ret_check = dap_ledger_tx_cache_check(a_ledger, a_tx, a_datum_hash,
                                                       false, NULL, NULL, NULL, NULL, NULL, false);
     if(s_debug_more) {
-        char l_tx_hash_str[DAP_CHAIN_HASH_FAST_STR_SIZE];
-        dap_chain_hash_fast_to_str(a_datum_hash, l_tx_hash_str, sizeof(l_tx_hash_str));
         if (l_ret_check)
             log_it(L_NOTICE, "Ledger TX adding check not passed for TX %s: error %s",
-                   l_tx_hash_str, dap_ledger_tx_check_err_str(l_ret_check));
+                   dap_chain_hash_fast_to_str_static(a_datum_hash), dap_ledger_tx_check_err_str(l_ret_check));
         else
-            log_it(L_INFO, "Ledger TX adding check passed for TX %s", l_tx_hash_str);
+            log_it(L_INFO, "Ledger TX adding check passed for TX %s", dap_chain_hash_fast_to_str_static(a_datum_hash));
     }
 
     return l_ret_check;
@@ -4774,11 +4764,6 @@ static int s_sort_ledger_tx_item(dap_ledger_tx_item_t* a, dap_ledger_tx_item_t*
                 a->tx->header.ts_created < b->tx->header.ts_created ? -1 : 1;
 }
 
-void dap_ledger_set_tps_start_time(dap_ledger_t *a_ledger)
-{
-    clock_gettime(CLOCK_REALTIME, &PVT(a_ledger)->tps_start_time);
-}
-
 /**
  * @brief Add new transaction to the cache list
  * @param a_ledger
@@ -4800,18 +4785,6 @@ int dap_ledger_tx_add(dap_ledger_t *a_ledger, dap_chain_datum_tx_t *a_tx, dap_ha
     dap_ledger_tx_item_t *l_item_tmp = NULL;
     char *l_main_token_ticker = NULL;
 
-    if (!l_ledger_pvt->tps_timer) {
-#ifndef DAP_TPS_TEST
-        dap_ledger_set_tps_start_time(a_ledger);
-#endif
-        l_ledger_pvt->tps_current_time.tv_sec = l_ledger_pvt->tps_start_time.tv_sec;
-        l_ledger_pvt->tps_current_time.tv_nsec = l_ledger_pvt->tps_start_time.tv_nsec;
-        l_ledger_pvt->tps_count = 0;
-        if (dap_events_workers_init_status())
-            l_ledger_pvt->tps_timer = dap_timerfd_start(500, s_ledger_tps_callback, l_ledger_pvt);
-        else
-            l_ledger_pvt->tps_timer = NULL;
-    }
     bool l_from_threshold = a_from_threshold;
     char l_tx_hash_str[DAP_CHAIN_HASH_FAST_STR_SIZE];
     dap_chain_hash_fast_to_str(a_tx_hash, l_tx_hash_str, sizeof(l_tx_hash_str));
@@ -5142,9 +5115,6 @@ int dap_ledger_tx_add(dap_ledger_t *a_ledger, dap_chain_datum_tx_t *a_tx, dap_ha
             l_notify->callback(a_ledger, a_tx, a_tx_hash, l_notify->arg, DAP_LEDGER_NOTIFY_OPCODE_ADDED);
         }
     }
-    // Count TPS
-    clock_gettime(CLOCK_REALTIME, &l_ledger_pvt->tps_end_time);
-    l_ledger_pvt->tps_count++;
     if (PVT(a_ledger)->cached) {
         // Add it to cache
         size_t l_tx_cache_sz = l_tx_size + sizeof(l_tx_item->cache_data);
@@ -5473,20 +5443,6 @@ FIN:
     return l_ret;
 }
 
-
-static bool s_ledger_tps_callback(void *a_arg)
-{
-    dap_ledger_private_t *l_ledger_pvt = (dap_ledger_private_t *)a_arg;
-    if (l_ledger_pvt->tps_current_time.tv_sec != l_ledger_pvt->tps_end_time.tv_sec ||
-            l_ledger_pvt->tps_current_time.tv_nsec != l_ledger_pvt->tps_end_time.tv_nsec) {
-        l_ledger_pvt->tps_current_time.tv_sec = l_ledger_pvt->tps_end_time.tv_sec;
-        l_ledger_pvt->tps_current_time.tv_nsec = l_ledger_pvt->tps_end_time.tv_nsec;
-        return true;
-    }
-    l_ledger_pvt->tps_timer = NULL;
-    return false;
-}
-
 int dap_ledger_tx_load(dap_ledger_t *a_ledger, dap_chain_datum_tx_t *a_tx, dap_chain_hash_fast_t *a_tx_hash)
 {
 #ifndef DAP_LEDGER_TEST
@@ -5660,44 +5616,26 @@ uint64_t dap_ledger_count_from_to(dap_ledger_t * a_ledger, dap_time_t a_ts_from,
     pthread_rwlock_rdlock(&l_ledger_pvt->ledger_rwlock);
     if ( a_ts_from && a_ts_to) {
         HASH_ITER(hh, l_ledger_pvt->ledger_items , l_iter_current, l_item_tmp){
-            if ( l_iter_current->tx->header.ts_created >= a_ts_from && l_iter_current->cache_data.ts_created <= a_ts_to )
-            l_ret++;
+            if ( l_iter_current->tx->header.ts_created >= a_ts_from && l_iter_current->tx->header.ts_created <= a_ts_to )
+                l_ret++;
         }
     } else if ( a_ts_to ){
         HASH_ITER(hh, l_ledger_pvt->ledger_items , l_iter_current, l_item_tmp){
             if ( l_iter_current->tx->header.ts_created <= a_ts_to )
-            l_ret++;
+                l_ret++;
         }
     } else if ( a_ts_from ){
         HASH_ITER(hh, l_ledger_pvt->ledger_items , l_iter_current, l_item_tmp){
             if ( l_iter_current->tx->header.ts_created >= a_ts_from )
-            l_ret++;
-        }
-    }else {
-        HASH_ITER(hh, l_ledger_pvt->ledger_items , l_iter_current, l_item_tmp){
-            l_ret++;
+                l_ret++;
         }
+    } else {
+        l_ret = HASH_COUNT(l_ledger_pvt->ledger_items);
     }
-
     pthread_rwlock_unlock(&l_ledger_pvt->ledger_rwlock);
     return l_ret;
 }
 
-size_t dap_ledger_count_tps(dap_ledger_t *a_ledger, struct timespec *a_ts_from, struct timespec *a_ts_to)
-{
-    if (!a_ledger)
-        return 0;
-    dap_ledger_private_t *l_ledger_pvt = PVT(a_ledger);
-    if (a_ts_from) {
-        a_ts_from->tv_sec = l_ledger_pvt->tps_start_time.tv_sec;
-        a_ts_from->tv_nsec = l_ledger_pvt->tps_start_time.tv_nsec;
-    }
-    if (a_ts_to) {
-        a_ts_to->tv_sec = l_ledger_pvt->tps_end_time.tv_sec;
-        a_ts_to->tv_nsec = l_ledger_pvt->tps_end_time.tv_nsec;
-    }
-    return l_ledger_pvt->tps_count;
-}
 
 /**
  * Check whether used 'out' items
@@ -5780,7 +5718,7 @@ uint256_t dap_ledger_calc_balance_full(dap_ledger_t *a_ledger, const dap_chain_a
                     if (!memcmp(a_addr, &l_tx_out->addr, sizeof(dap_chain_addr_t))) {
                         // if 'out' item not used & transaction is valid
                         if(!s_ledger_tx_hash_is_used_out_item(l_iter_current, l_out_idx_tmp, NULL) &&
-                                dap_chain_datum_tx_verify_sign(l_cur_tx)) {
+                                !dap_chain_datum_tx_verify_sign(l_cur_tx)) {
                             uint256_t l_add = dap_chain_uint256_from(l_tx_out->header.value);
                             SUM_256_256(balance, l_add, &balance);
                         }
@@ -5796,7 +5734,7 @@ uint256_t dap_ledger_calc_balance_full(dap_ledger_t *a_ledger, const dap_chain_a
                     if (!memcmp(a_addr, &l_tx_out->addr, sizeof(dap_chain_addr_t))) {
                         // if 'out' item not used & transaction is valid
                         if(!s_ledger_tx_hash_is_used_out_item(l_iter_current, l_out_idx_tmp, NULL) &&
-                                dap_chain_datum_tx_verify_sign(l_cur_tx)) {
+                                !dap_chain_datum_tx_verify_sign(l_cur_tx)) {
                             SUM_256_256(balance, l_tx_out->header.value, &balance);
                         }
                     }
@@ -5811,7 +5749,7 @@ uint256_t dap_ledger_calc_balance_full(dap_ledger_t *a_ledger, const dap_chain_a
                     if (!memcmp(a_addr, &l_tx_out->addr, sizeof(dap_chain_addr_t))) {
                         // if 'out' item not used & transaction is valid
                         if(!s_ledger_tx_hash_is_used_out_item(l_iter_current, l_out_idx_tmp, NULL) &&
-                                dap_chain_datum_tx_verify_sign(l_cur_tx)) {
+                                !dap_chain_datum_tx_verify_sign(l_cur_tx)) {
                             SUM_256_256(balance, l_tx_out->header.value, &balance);
                         }
                     }
diff --git a/modules/net/dap_chain_net.c b/modules/net/dap_chain_net.c
index 74d1833763db8e6d530d6f1c344ab2419b2f1e21..ab659d337739a8be2e142fd3e4023b59d0fc4a0d 100644
--- a/modules/net/dap_chain_net.c
+++ b/modules/net/dap_chain_net.c
@@ -384,12 +384,10 @@ int dap_chain_net_state_go_to(dap_chain_net_t *a_net, dap_chain_net_state_t a_ne
         dap_link_manager_set_net_condition(a_net->pub.id.uint64, true);
         for (uint16_t i = 0; i < PVT(a_net)->permanent_links_count; ++i) {
             dap_link_info_t *l_permalink_info = PVT(a_net)->permanent_links[i];
-            if (dap_link_manager_link_create(&l_permalink_info->node_addr, a_net->pub.id.uint64)) {
+            if (dap_chain_net_link_add(a_net, &l_permalink_info->node_addr, l_permalink_info->uplink_addr, l_permalink_info->uplink_port)) {
                 log_it(L_ERROR, "Can't create permanent link to addr " NODE_ADDR_FP_STR, NODE_ADDR_FP_ARGS_S(l_permalink_info->node_addr));
                 continue;
             }
-            if (l_permalink_info->uplink_port)
-                dap_link_manager_link_update(&l_permalink_info->node_addr, l_permalink_info->uplink_addr, l_permalink_info->uplink_port);
         }
         if (a_new_state == NET_STATE_ONLINE)
             dap_chain_esbocs_start_timer(a_net->pub.id);
@@ -397,10 +395,9 @@ int dap_chain_net_state_go_to(dap_chain_net_t *a_net, dap_chain_net_state_t a_ne
     return dap_proc_thread_callback_add(NULL, s_net_states_proc, a_net);
 }
 
-dap_chain_net_state_t dap_chain_net_get_target_state(dap_chain_net_t *a_net)
+DAP_INLINE dap_chain_net_state_t dap_chain_net_get_target_state(dap_chain_net_t *a_net)
 {
-    dap_chain_net_state_t l_ret = PVT(a_net)->state_target;
-    return l_ret;
+    return PVT(a_net)->state_target;
 }
 
 static struct request_link_info *s_balancer_link_from_cfg(dap_chain_net_t *a_net)
@@ -1212,26 +1209,18 @@ static int s_cli_net(int argc, char **argv, void **reply)
                     dap_json_rpc_allocation_error;
                     return DAP_JSON_RPC_ERR_CODE_MEMORY_ALLOCATED;
                 }
-                if (l_from_str) {
-                    json_object *l_jobj_from = json_object_new_string(l_from_str);
-                    if (!l_jobj_from) {
-                        json_object_put(l_jobj_return);
-                        json_object_put(l_jobj_stats);
-                        dap_json_rpc_allocation_error;
-                        return DAP_JSON_RPC_ERR_CODE_MEMORY_ALLOCATED;
-                    }
-                    json_object_object_add(l_jobj_stats, "from", l_jobj_from);
-                }
-                if (l_to_str) {
-                    json_object *l_jobj_to = json_object_new_string(l_to_str);
-                    if (!l_jobj_to) {
-                        json_object_put(l_jobj_return);
-                        json_object_put(l_jobj_stats);
-                        dap_json_rpc_allocation_error;
-                        return DAP_JSON_RPC_ERR_CODE_MEMORY_ALLOCATED;
-                    }
-                    json_object_object_add(l_jobj_stats, "to", l_jobj_to);
+                json_object *l_jobj_from = json_object_new_string(l_from_str_new);
+                json_object *l_jobj_to = json_object_new_string(l_to_str_new);
+                if (!l_jobj_from || !l_jobj_to) {
+                    json_object_put(l_jobj_return);
+                    json_object_put(l_jobj_stats);
+                    json_object_put(l_jobj_from);
+                    json_object_put(l_jobj_to);
+                    dap_json_rpc_allocation_error;
+                    return DAP_JSON_RPC_ERR_CODE_MEMORY_ALLOCATED;
                 }
+                json_object_object_add(l_jobj_stats, "from", l_jobj_from);
+                json_object_object_add(l_jobj_stats, "to", l_jobj_to);
                 log_it(L_INFO, "Calc TPS from %s to %s", l_from_str_new, l_to_str_new);
                 uint64_t l_tx_count = dap_ledger_count_from_to ( l_net->pub.ledger, l_from_ts, l_to_ts);
                 long double l_tpd = l_to_ts == l_from_ts ? 0 :
@@ -1240,74 +1229,38 @@ static int s_cli_net(int argc, char **argv, void **reply)
                 json_object *l_jobj_tpd = json_object_new_string(l_tpd_str);
                 DAP_DELETE(l_tpd_str);
                 json_object *l_jobj_total = json_object_new_uint64(l_tx_count);
+#ifdef DAP_TPS_TEST
+                long double l_tps = l_to_ts == l_from_ts ? 0 :
+                                                     (long double) l_tx_count / (long double) (long double)(l_to_ts - l_from_ts);
+                char *l_tps_str = dap_strdup_printf("%.3Lf", l_tps);
+                json_object *l_jobj_tps = json_object_new_string(l_tps_str);
+                DAP_DELETE(l_tps_str);
+                if (!l_jobj_tpd || !l_jobj_total || !l_jobj_tps) {
+                    json_object_put(l_jobj_tps);
+#else
                 if (!l_jobj_tpd || !l_jobj_total) {
+#endif
+                    
                     json_object_put(l_jobj_return);
                     json_object_put(l_jobj_stats);
+                    json_object_put(l_jobj_from);
+                    json_object_put(l_jobj_to);
                     json_object_put(l_jobj_tpd);
                     json_object_put(l_jobj_total);
                     dap_json_rpc_allocation_error;
                     return DAP_JSON_RPC_ERR_CODE_MEMORY_ALLOCATED;
                 }
+#ifdef DAP_TPS_TEST
+                json_object_object_add(l_jobj_stats, "transaction_per_sec", l_jobj_tps);
+#endif
                 json_object_object_add(l_jobj_stats, "transaction_per_day", l_jobj_tpd);
                 json_object_object_add(l_jobj_stats, "total", l_jobj_total);
                 json_object_object_add(l_jobj_return, "transaction_statistics", l_jobj_stats);
                 l_ret = DAP_CHAIN_NET_JSON_RPC_OK;
-            }
-#ifdef DAP_TPS_TEST
-            else if (strcmp(l_stats_str, "tps") == 0) {
-                struct timespec l_from_time_acc = {}, l_to_time_acc = {};
-                json_object *l_jobj_values = json_object_new_object();
-                if (!l_jobj_values) {
-                    dap_json_rpc_allocation_error;
-                    return DAP_JSON_RPC_ERR_CODE_MEMORY_ALLOCATED;
-                }
-                size_t l_tx_num = dap_ledger_count_tps(l_net->pub.ledger, &l_from_time_acc, &l_to_time_acc);
-                if (l_tx_num) {
-                    localtime_r(&l_from_time_acc.tv_sec, &l_from_tm);
-                    strftime(l_from_str_new, sizeof(l_from_str_new), c_time_fmt, &l_from_tm);
-                    localtime_r(&l_to_time_acc.tv_sec, &l_to_tm);
-                    strftime(l_to_str_new, sizeof(l_to_str_new), c_time_fmt, &l_to_tm);
-                    json_object *l_jobj_from = json_object_new_string(l_from_str_new);
-                    json_object *l_jobj_to = json_object_new_string(l_to_str_new);
-                    uint64_t l_diff_ns = (l_to_time_acc.tv_sec - l_from_time_acc.tv_sec) * 1000000000 +
-                                            l_to_time_acc.tv_nsec - l_from_time_acc.tv_nsec;
-                    long double l_tps = (long double)(l_tx_num * 1000000000) / (long double)(l_diff_ns);
-                    char *l_tps_str = dap_strdup_printf("%.3Lf", l_tps);
-                    json_object *l_jobj_tps = json_object_new_string(l_tps_str);
-                    DAP_DELETE(l_tps_str);
-                    if (!l_jobj_from || !l_jobj_to || !l_jobj_tps) {
-                        json_object_put(l_jobj_return);
-                        json_object_put(l_jobj_values);
-                        json_object_put(l_jobj_from);
-                        json_object_put(l_jobj_to);
-                        json_object_put(l_jobj_tps);
-                        dap_json_rpc_allocation_error;
-                        return DAP_JSON_RPC_ERR_CODE_MEMORY_ALLOCATED;
-                    }
-                    json_object_object_add(l_jobj_values, "from", l_jobj_from);
-                    json_object_object_add(l_jobj_values, "to", l_jobj_to);
-                    json_object_object_add(l_jobj_values, "tps", l_jobj_tps);
-                }
-                json_object *l_jobj_total = json_object_new_uint64(l_tx_num);
-                if (!l_jobj_total) {
-                    json_object_put(l_jobj_return);
-                    json_object_put(l_jobj_values);
-                    dap_json_rpc_allocation_error;
-                    return DAP_JSON_RPC_ERR_CODE_MEMORY_ALLOCATED;
-                }
-                json_object_object_add(l_jobj_values, "total", l_jobj_total);
-                json_object_object_add(l_jobj_return, "transactions_per_second_peak", l_jobj_values);
-                l_ret = DAP_CHAIN_NET_JSON_RPC_OK;
-            }
-#endif
-            else {
+            } else {
                 json_object_put(l_jobj_return);
-#ifdef DAP_TPS_TEST
-                dap_json_rpc_error_add(DAP_CHAIN_NET_JSON_RPC_UNDEFINED_PARAMETER_COMMAND_STATS, "Subcommand 'stats' requires one of parameter: tx, tps");
-#else
                 dap_json_rpc_error_add(DAP_CHAIN_NET_JSON_RPC_UNDEFINED_PARAMETER_COMMAND_STATS, "%s",
                  "Subcommand 'stats' requires one of parameter: tx");
-#endif
                 return DAP_CHAIN_NET_JSON_RPC_UNDEFINED_PARAMETER_COMMAND_STATS;
             }
         } else if ( l_go_str){
@@ -1958,7 +1911,7 @@ int s_net_init(const char *a_net_name, uint16_t a_acl_idx)
             return -4;
         }
         if (dap_stream_node_addr_from_str(&l_net_pvt->permanent_links[i]->node_addr, l_permanent_nodes_addrs[i])) {
-            log_it(L_ERROR, "Incorrect format of address \"%s\", fix net config and restart node", l_permanent_nodes_addrs[i]);
+            log_it(L_ERROR, "Incorrect format of node address \"%s\", fix net config and restart node", l_permanent_nodes_addrs[i]);
             dap_chain_net_delete(l_net);
             dap_config_close(l_cfg);
             return -16;
@@ -1970,7 +1923,7 @@ int s_net_init(const char *a_net_name, uint16_t a_acl_idx)
         uint16_t l_port = 0;
         char l_host[DAP_HOSTADDR_STRLEN + 1] = { '\0' };
         if (dap_net_parse_hostname(l_permanent_links_hosts[i], l_host, &l_port) || !l_port) {
-            log_it(L_ERROR, "Incorrect format of address \"%s\", fix net config and restart node",
+            log_it(L_ERROR, "Incorrect format of host \"%s\", fix net config or recheck internet connection, and restart node",
                             l_permanent_links_hosts[i]);
             dap_chain_net_delete(l_net);
             dap_config_close(l_cfg);
@@ -1988,7 +1941,7 @@ int s_net_init(const char *a_net_name, uint16_t a_acl_idx)
     for (uint16_t i = 0; i < l_net_pvt->authorized_nodes_count; ++i) {
         dap_chain_node_addr_t l_addr;
         if (dap_stream_node_addr_from_str(&l_addr, l_authorized_nodes_addrs[i])) {
-            log_it(L_ERROR, "Incorrect format of address \"%s\", fix net config and restart node", l_authorized_nodes_addrs[i]);
+            log_it(L_ERROR, "Incorrect format of node address \"%s\", fix net config and restart node", l_authorized_nodes_addrs[i]);
             dap_chain_net_delete(l_net);
             dap_config_close(l_cfg);
             return -17;
@@ -2010,7 +1963,7 @@ int s_net_init(const char *a_net_name, uint16_t a_acl_idx)
         uint16_t l_port = 0;
         char l_host[DAP_HOSTADDR_STRLEN + 1] = { '\0' };
         if (dap_net_parse_hostname(l_seed_nodes_hosts[i], l_host, &l_port) || !l_port) {
-            log_it(L_ERROR, "Incorrect format of address \"%s\", fix net config and restart node",
+            log_it(L_ERROR, "Incorrect format of host \"%s\", fix net config or recheck internet connection, and restart node",
                             l_seed_nodes_hosts[i]);
             dap_chain_net_delete(l_net);
             dap_config_close(l_cfg);
@@ -3218,7 +3171,7 @@ int dap_chain_datum_add(dap_chain_t *a_chain, dap_chain_datum_t *a_datum, size_t
             dap_chain_datum_tx_t *l_tx = (dap_chain_datum_tx_t *)a_datum->data;
             size_t l_tx_size = dap_chain_datum_tx_get_size(l_tx);
             if (l_tx_size != l_datum_data_size) {
-                log_it(L_WARNING, "Corrupted trnsaction, datum size %zd is not equal to size of TX %zd", l_datum_data_size, l_tx_size);
+                log_it(L_WARNING, "Corrupted transaction, datum size %zd is not equal to size of TX %zd", l_datum_data_size, l_tx_size);
                 return -102;
             }
             return dap_ledger_tx_load(l_ledger, l_tx, a_datum_hash);
diff --git a/modules/net/dap_chain_net_balancer.c b/modules/net/dap_chain_net_balancer.c
index cbe144ca641039acf49446974037904599bc0397..182a023c9666be4622647e296362905be77c1eb9 100644
--- a/modules/net/dap_chain_net_balancer.c
+++ b/modules/net/dap_chain_net_balancer.c
@@ -153,7 +153,7 @@ static void s_balancer_link_prepare_error(dap_balancer_link_request_t *a_request
     struct json_object *l_json = s_balancer_states_json_collect(a_request->net, a_host_addr, a_host_port);
     char l_err_str[512] = { '\0' };
     snprintf(l_err_str, sizeof(l_err_str)
-            , "Link from balancer %s:%u in net %s can't be prepared, errno %d"
+            , "Links from balancer %s:%u in net %s can't be prepared, connection errno %d"
             , a_host_addr, a_host_port, a_request->net->pub.name, a_errno);
     log_it(L_WARNING, "%s", l_err_str);
     json_object_object_add(l_json, "errorMessage", json_object_new_string(l_err_str));
@@ -172,7 +172,7 @@ void s_http_balancer_link_prepare_success(void *a_response,
 {
     dap_balancer_link_request_t *l_balancer_request = (dap_balancer_link_request_t *)a_arg;
     if (a_response_code != 200) {
-        log_it(L_ERROR, "The server responded with code %d. It is not possible to install the link.", a_response_code);
+        log_it(L_ERROR, "The server responded with code %d. It is not possible to install the link to %s:%u in net %s", a_response_code, l_balancer_request->host_addr, l_balancer_request->host_port, l_balancer_request->net->pub.name);
         s_balancer_link_prepare_error(l_balancer_request, l_balancer_request->host_addr, l_balancer_request->host_port, a_response_code);
         l_balancer_request->request_info->request_time = dap_time_now();
         DAP_DELETE(l_balancer_request);
@@ -185,6 +185,7 @@ void s_http_balancer_link_prepare_success(void *a_response,
         log_it(L_ERROR, "Invalid balancer response size %zu (expected %zu) in net %s from %s:%u", a_response_size, l_response_size_need, l_balancer_request->net->pub.name, l_balancer_request->host_addr, l_balancer_request->host_port);
         l_balancer_request->request_info->request_time = dap_time_now();
     } else {
+        log_it(L_INFO, "Valid balancer response from %s:%u in net %s with %"DAP_UINT64_FORMAT_U" links", l_balancer_request->host_addr, l_balancer_request->host_port, l_balancer_request->net->pub.name, l_link_full_node_list->count_node);
         s_balancer_link_prepare_success(l_balancer_request->net, l_link_full_node_list, l_balancer_request->host_addr, l_balancer_request->host_port);
         l_balancer_request->request_info->request_time = 0;
     }
@@ -220,7 +221,7 @@ static dap_chain_net_links_t *s_get_node_addrs(dap_chain_net_t *a_net, uint16_t
 // preparing
     dap_list_t *l_nodes_list = dap_chain_node_get_states_list_sort(a_net, a_ignored ? (dap_chain_node_addr_t *)a_ignored->nodes_info : (dap_chain_node_addr_t *)NULL, a_ignored ? a_ignored->count_node : 0);
     if (!l_nodes_list) {
-        log_it(L_DEBUG, "There isn't any nodes to list prepare in net %s", a_net->pub.name);
+        log_it(L_DEBUG, "There isn't any nodes to %s list prepare in net %s", a_external_call ? "external" : "local", a_net->pub.name);
         if (!a_external_call)
             return NULL;
     }
@@ -357,7 +358,7 @@ int dap_chain_net_balancer_handshake(dap_chain_node_info_t *a_node_info, dap_cha
  */
 void dap_chain_net_balancer_http_issue_link(dap_http_simple_t *a_http_simple, void *a_arg)
 {
-    log_it(L_DEBUG,"Proc enc http request");
+    log_it(L_DEBUG,"Proc enc http request from %s", a_http_simple->es_hostaddr);
     http_status_code_t *l_return_code = (http_status_code_t *)a_arg;
 
     if (strcmp(a_http_simple->http_client->url_path, DAP_BALANCER_URI_HASH)) {
@@ -467,6 +468,7 @@ int dap_chain_net_balancer_request(dap_chain_net_t *a_net, const char *a_host_ad
         *l_links = s_get_node_addrs(a_net, l_required_links_count, l_ignored_addrs, false);
 // links from local GDB
     if (l_links) {
+        log_it(L_INFO, "%"DAP_UINT64_FORMAT_U" links successful prepared from global-db in net %s", l_links->count_node, a_net->pub.name);
         s_balancer_link_prepare_success(a_net, l_links, NULL, 0);
         if (l_links->count_node >= l_required_links_count) {
             DAP_DEL_MULTY(l_ignored_addrs, l_links);
diff --git a/modules/net/dap_chain_node.c b/modules/net/dap_chain_node.c
index a0b601f7eceb6a1957734e228270d7cb182581e5..829377cc7116c3a335b0924abc1850fc0ba48ca6 100644
--- a/modules/net/dap_chain_node.c
+++ b/modules/net/dap_chain_node.c
@@ -271,6 +271,7 @@ bool dap_chain_node_mempool_process(dap_chain_t *a_chain, dap_chain_datum_t *a_d
     if (l_verify_datum != 0 &&
             l_verify_datum != DAP_CHAIN_CS_VERIFY_CODE_TX_NO_PREVIOUS &&
             l_verify_datum != DAP_CHAIN_CS_VERIFY_CODE_TX_NO_EMISSION &&
+            l_verify_datum != DAP_CHAIN_CS_VERIFY_CODE_NOT_ENOUGH_SIGNS &&
             l_verify_datum != DAP_CHAIN_CS_VERIFY_CODE_NO_DECREE)
         return true;
     if (!l_verify_datum
@@ -410,12 +411,6 @@ dap_list_t *dap_chain_node_get_states_list_sort(dap_chain_net_t *a_net, dap_chai
             log_it(L_ERROR, "Invalid record, key %s", l_objs[i].key);
             continue;
         }
-        dap_nanotime_t l_timestamp = 0;
-        dap_chain_node_net_states_info_t *l_store_obj = (dap_chain_node_net_states_info_t *)dap_global_db_get_sync(l_gdb_group, l_objs[i].key, NULL, NULL, &l_timestamp);
-        if (!l_store_obj) {
-            log_it(L_ERROR, "Can't find state about %s node", l_objs[i].key);
-            continue;
-        }
         bool l_ignored = false;
         for(size_t j = 0; !l_ignored && j < a_ignored_count; ++j) {
             l_ignored = a_ignored[j].uint64 == ((dap_chain_node_info_t*)(l_objs + i)->value)->address.uint64;
@@ -429,14 +424,19 @@ dap_list_t *dap_chain_node_get_states_list_sort(dap_chain_net_t *a_net, dap_chai
             log_it(L_ERROR, "%s", g_error_memory_alloc);
             break;
         }
+        dap_nanotime_t l_state_timestamp = 0;
+        dap_chain_node_net_states_info_t *l_state_store_obj = (dap_chain_node_net_states_info_t *)dap_global_db_get_sync(l_gdb_group, l_objs[i].key, NULL, NULL, &l_state_timestamp);
+        if (!l_state_store_obj) {
+            log_it(L_WARNING, "Can't find state about %s node, apply low priority", l_objs[i].key);
+        }
         l_item->link_info.node_addr.uint64 = ((dap_chain_node_info_t*)(l_objs + i)->value)->address.uint64;
         l_item->link_info.uplink_port = ((dap_chain_node_info_t*)(l_objs + i)->value)->ext_port;
         dap_strncpy(l_item->link_info.uplink_addr, ((dap_chain_node_info_t*)(l_objs + i)->value)->ext_host, sizeof(l_item->link_info.uplink_addr) - 1);
-        l_item->atoms_count = l_store_obj->atoms_count;
-        l_item->downlinks_count = l_store_obj->downlinks_count;
-        l_item->timestamp = l_timestamp;
+        l_item->atoms_count = l_state_store_obj ? l_state_store_obj->atoms_count : 0;
+        l_item->downlinks_count = l_state_store_obj ? l_state_store_obj->downlinks_count : (uint32_t)(-1);
+        l_item->timestamp = l_state_timestamp;
         l_ret = dap_list_insert_sorted(l_ret, (void *)l_item, s_node_states_info_cmp);
-        DAP_DELETE(l_store_obj);
+        DAP_DELETE(l_state_store_obj);
     }
     DAP_DELETE(l_gdb_group);
     dap_global_db_objs_delete(l_objs, l_node_count);
diff --git a/modules/net/dap_chain_node_cli_cmd.c b/modules/net/dap_chain_node_cli_cmd.c
index d6b35ecd5b50cd84336a70e26b599f57c9580798..6d3267ed4835fe7522f4a420ad5d746868957d79 100644
--- a/modules/net/dap_chain_node_cli_cmd.c
+++ b/modules/net/dap_chain_node_cli_cmd.c
@@ -3603,10 +3603,7 @@ int _cmd_mempool_proc_all(dap_chain_net_t *a_net, dap_chain_t *a_chain, void **a
         json_object_object_add(l_ret, "warning", l_warn_obj);
     }
 
-#ifdef DAP_TPS_TEST
-    dap_chain_ledger_set_tps_start_time(a_net->pub.ledger);
-#endif
-    dap_chain_node_mempool_process_all(a_chain, true);
+   dap_chain_node_mempool_process_all(a_chain, true);
     char *l_str_result = dap_strdup_printf("The entire mempool has been processed in %s.%s.",
                                            a_net->pub.name, a_chain->name);
     if (!l_str_result) {
diff --git a/modules/net/dap_chain_node_cli_cmd_tx.c b/modules/net/dap_chain_node_cli_cmd_tx.c
index 709cfb6dc13dd96478f16fedb9e0b04bbc588b05..18174820bb623fcff32796ec0edaa0395b72a0ef 100644
--- a/modules/net/dap_chain_node_cli_cmd_tx.c
+++ b/modules/net/dap_chain_node_cli_cmd_tx.c
@@ -98,7 +98,6 @@ bool s_dap_chain_datum_tx_out_data(dap_chain_datum_tx_t *a_datum,
                                           const char *a_hash_out_type,
                                           dap_chain_hash_fast_t *a_tx_hash)
 {
-    dap_time_t l_ts_create = (dap_time_t)a_datum->header.ts_created;
     char l_tx_hash_str[70]={0};
     char l_tmp_buf[DAP_TIME_STR_SIZE];
     const char *l_ticker = a_ledger
@@ -107,7 +106,7 @@ bool s_dap_chain_datum_tx_out_data(dap_chain_datum_tx_t *a_datum,
     if (!l_ticker)
         return false;
     const char *l_description = dap_ledger_get_description_by_ticker(a_ledger, l_ticker);
-    dap_time_to_str_rfc822(l_tmp_buf, DAP_TIME_STR_SIZE, l_ts_create);
+    dap_time_to_str_rfc822(l_tmp_buf, DAP_TIME_STR_SIZE, a_datum->header.ts_created);
     dap_chain_hash_fast_to_str(a_tx_hash,l_tx_hash_str,sizeof(l_tx_hash_str));
     json_object_object_add(json_obj_out, "Datum_tx_hash", json_object_new_string(l_tx_hash_str));
     json_object_object_add(json_obj_out, "TS_Created", json_object_new_string(l_tmp_buf));
@@ -212,10 +211,7 @@ json_object * dap_db_tx_history_to_json(dap_chain_hash_fast_t* a_tx_hash,
     }
 
     char l_time_str[DAP_TIME_STR_SIZE];
-    if (l_tx->header.ts_created) {
-        dap_time_to_str_rfc822(l_time_str, DAP_TIME_STR_SIZE, l_tx->header.ts_created);/* Convert ts to  "Sat May 17 01:17:08 2014\n" */
-        l_time_str[strlen(l_time_str)-1] = '\0';                    /* Remove "\n"*/
-    }
+    dap_time_to_str_rfc822(l_time_str, DAP_TIME_STR_SIZE, l_tx->header.ts_created); /* Convert ts to  "Sat May 17 01:17:08 2014" */
     json_object *l_obj_ts_created = json_object_new_string(l_time_str);
     json_object_object_add(json_obj_datum, "tx_created", l_obj_ts_created);
     
@@ -265,10 +261,8 @@ static void s_tx_header_print(json_object* json_obj_datum, dap_chain_tx_hash_pro
     bool l_declined = false;
     // transaction time
     char l_time_str[DAP_TIME_STR_SIZE] = "unknown";                                /* Prefill string */
-    if (a_tx->header.ts_created) {
-        dap_time_to_str_rfc822(l_time_str, DAP_TIME_STR_SIZE, a_tx->header.ts_created); /* Convert ts to  "Sat May 17 01:17:08 2014\n" */
-        l_time_str[strlen(l_time_str)-1] = '\0';                    /* Remove "\n"*/
-    }
+    if (a_tx->header.ts_created)
+        dap_time_to_str_rfc822(l_time_str, DAP_TIME_STR_SIZE, a_tx->header.ts_created); /* Convert ts to  "Sat May 17 01:17:08 2014" */
     dap_chain_tx_hash_processed_ht_t *l_tx_data = NULL;
     HASH_FIND(hh, *a_tx_data_ht, a_tx_hash, sizeof(*a_tx_hash), l_tx_data);
     if (l_tx_data)  // this tx already present in ledger (double)
diff --git a/modules/net/include/dap_chain_ledger.h b/modules/net/include/dap_chain_ledger.h
index 777e259835417b9ddd7e0c28b401d82452309431..4766bae94587acbf22012d81a82eb183e08b5121 100644
--- a/modules/net/include/dap_chain_ledger.h
+++ b/modules/net/include/dap_chain_ledger.h
@@ -177,11 +177,13 @@ typedef bool (*dap_ledger_tag_check_callback_t)(dap_ledger_t *a_ledger, dap_chai
 #define DAP_LEDGER_CACHE_ENABLED           0x0200
 
 // Error code for no previous transaction (for stay in mempool)
-#define DAP_CHAIN_CS_VERIFY_CODE_TX_NO_PREVIOUS  DAP_LEDGER_TX_CHECK_PREV_TX_NOT_FOUND
-// Error code for no emission for a transaction (for stay in mempoold)
-#define DAP_CHAIN_CS_VERIFY_CODE_TX_NO_EMISSION  DAP_LEDGER_TX_CHECK_EMISSION_NOT_FOUND
+#define DAP_CHAIN_CS_VERIFY_CODE_TX_NO_PREVIOUS     DAP_LEDGER_TX_CHECK_PREV_TX_NOT_FOUND
+// Error code for no emission for a transaction (for stay in mempool)
+#define DAP_CHAIN_CS_VERIFY_CODE_TX_NO_EMISSION     DAP_LEDGER_TX_CHECK_EMISSION_NOT_FOUND
+// Error code for not enough valid emission signs (for stay in mempool)
+#define DAP_CHAIN_CS_VERIFY_CODE_NOT_ENOUGH_SIGNS   DAP_LEDGER_EMISSION_ADD_CHECK_NOT_ENOUGH_VALID_SIGNS
 // Error code for no decree for anchor (for stay in mempool)
-#define DAP_CHAIN_CS_VERIFY_CODE_NO_DECREE       -1113
+#define DAP_CHAIN_CS_VERIFY_CODE_NO_DECREE          -1113
 
 #define DAP_LEDGER_TOKENS_STR              "tokens"
 #define DAP_LEDGER_EMISSIONS_STR           "emissions"
@@ -337,8 +339,6 @@ void dap_ledger_purge(dap_ledger_t *a_ledger, bool a_preserve_db);
  */
 unsigned dap_ledger_count(dap_ledger_t *a_ledger);
 uint64_t dap_ledger_count_from_to(dap_ledger_t * a_ledger, dap_time_t a_ts_from, dap_time_t a_ts_to);
-size_t dap_ledger_count_tps(dap_ledger_t *a_ledger, struct timespec *a_ts_from, struct timespec *a_ts_to);
-void dap_ledger_set_tps_start_time(dap_ledger_t *a_ledger);
 
 /**
  * Check whether used 'out' items
diff --git a/modules/service/stake/dap_chain_net_srv_stake_pos_delegate.c b/modules/service/stake/dap_chain_net_srv_stake_pos_delegate.c
index e7c6ef181634c2e4b8b2090d662c340d611ca169..da0faa4edcb4e6ecf8c4b3ce6bb26ce8d47c4009 100644
--- a/modules/service/stake/dap_chain_net_srv_stake_pos_delegate.c
+++ b/modules/service/stake/dap_chain_net_srv_stake_pos_delegate.c
@@ -2216,9 +2216,8 @@ static int s_callback_compare_tx_list(dap_list_t *a_datum1, dap_list_t *a_datum2
 int dap_chain_net_srv_stake_check_validator(dap_chain_net_t * a_net, dap_hash_fast_t *a_tx_hash, dap_chain_ch_validator_test_t * out_data,
                                              int a_time_connect, int a_time_respone)
 {
-    char *l_key = NULL;
     size_t l_node_info_size = 0;
-    uint8_t l_test_data[1024] = {0};
+    uint8_t l_test_data[DAP_CHAIN_NET_CH_VALIDATOR_READY_REQUEST_SIZE] = {0};
     dap_chain_node_client_t *l_node_client = NULL;
     dap_chain_node_info_t *l_remote_node_info = NULL;
     dap_ledger_t *l_ledger = dap_ledger_by_net_name(a_net->pub.name);
diff --git a/modules/service/stake/include/dap_chain_net_srv_stake_pos_delegate.h b/modules/service/stake/include/dap_chain_net_srv_stake_pos_delegate.h
index 0469a280fca7fad2314fcaa23b313c07616db1f0..19ca297c30461b77eaabcba70e1fca5096f64dfe 100644
--- a/modules/service/stake/include/dap_chain_net_srv_stake_pos_delegate.h
+++ b/modules/service/stake/include/dap_chain_net_srv_stake_pos_delegate.h
@@ -45,7 +45,6 @@ typedef struct dap_chain_net_srv_stake_item {
     UT_hash_handle hh, ht;
 } dap_chain_net_srv_stake_item_t;
 
-
 typedef struct dap_chain_net_srv_stake_cache_data {
     dap_chain_hash_fast_t tx_hash;
     dap_chain_addr_t signing_addr;
diff --git a/modules/service/vpn/dap_chain_net_srv_vpn.c b/modules/service/vpn/dap_chain_net_srv_vpn.c
index bc70d6a6b4daa34db798af19c8d1137392b0b213..81a078789adbdd6003050ef8fc6a1d8c15ab2da5 100644
--- a/modules/service/vpn/dap_chain_net_srv_vpn.c
+++ b/modules/service/vpn/dap_chain_net_srv_vpn.c
@@ -1491,7 +1491,8 @@ static void send_pong_pkt(dap_stream_ch_t* a_ch)
  * @param a_ch
  * @param a_usage
  */
-static void s_ch_packet_in_vpn_address_request(dap_stream_ch_t* a_ch, dap_chain_net_srv_usage_t * a_usage){
+static void s_ch_packet_in_vpn_address_request(dap_stream_ch_t *a_ch, dap_chain_net_srv_usage_t *a_usage)
+{
     dap_chain_net_srv_ch_vpn_t         *l_ch_vpn = CH_VPN(a_ch);
     dap_chain_net_srv_vpn_t            *l_srv_vpn = (dap_chain_net_srv_vpn_t*)a_usage->service->_internal;
     dap_chain_net_srv_stream_session_t *l_srv_session = DAP_CHAIN_NET_SRV_STREAM_SESSION(l_ch_vpn->ch->stream->session);
@@ -1691,10 +1692,12 @@ static bool s_ch_packet_in(dap_stream_ch_t* a_ch, void* a_arg)
 {
     dap_stream_ch_pkt_t * l_pkt = (dap_stream_ch_pkt_t *) a_arg;
     ch_vpn_pkt_t *l_vpn_pkt = (ch_vpn_pkt_t*)l_pkt->data;
-    size_t l_vpn_pkt_size = l_pkt->hdr.data_size;
-    if (l_vpn_pkt_size < sizeof(l_vpn_pkt->header))
+    if (l_pkt->hdr.data_size < sizeof(l_vpn_pkt->header)) {
+        log_it(L_WARNING, "Data size of stream channel packet %u is lesser than size of VPN packet header %zu",
+                                                              l_pkt->hdr.data_size, sizeof(l_vpn_pkt->header));
         return false;
-
+    }
+    size_t l_vpn_pkt_data_size = l_pkt->hdr.data_size - sizeof(l_vpn_pkt->header);
     dap_chain_net_srv_stream_session_t * l_srv_session = DAP_CHAIN_NET_SRV_STREAM_SESSION (a_ch->stream->session );
     // dap_chain_net_srv_ch_vpn_t *l_ch_vpn = CH_VPN(a_ch);
     dap_chain_net_srv_usage_t * l_usage = l_srv_session->usage_active;// dap_chain_net_srv_usage_find_unsafe(l_srv_session,  l_ch_vpn->usage_id);
@@ -1729,29 +1732,28 @@ static bool s_ch_packet_in(dap_stream_ch_t* a_ch, void* a_arg)
     }
 
     // TODO move address leasing to this structure
-    //dap_chain_net_srv_vpn_t * l_srv_vpn =(dap_chain_net_srv_vpn_t *) l_usage->service->_internal;
-    l_vpn_pkt_size -= sizeof (l_vpn_pkt->header);
     debug_if(s_debug_more, L_INFO, "Got srv_vpn packet with op_code=0x%02x", l_vpn_pkt->header.op_code);
     if(l_vpn_pkt->header.op_code >= 0xb0) { // Raw packets
         switch (l_vpn_pkt->header.op_code) {
             case VPN_PACKET_OP_CODE_PING:
                 a_ch->stream->esocket->last_ping_request = time(NULL);
-                l_srv_session->stats.bytes_recv += l_vpn_pkt_size;
+                l_srv_session->stats.bytes_recv += l_vpn_pkt_data_size;
                 l_srv_session->stats.packets_recv++;
                 send_pong_pkt(a_ch);
             break;
             case VPN_PACKET_OP_CODE_PONG:
                 a_ch->stream->esocket->last_ping_request = time(NULL);
-                l_srv_session->stats.bytes_recv += l_vpn_pkt_size;
+                l_srv_session->stats.bytes_recv += l_vpn_pkt_data_size;
                 l_srv_session->stats.packets_recv++;
             break;
             // for client
             case VPN_PACKET_OP_CODE_VPN_ADDR_REPLY: { // Assigned address for peer
-                if(ch_sf_tun_addr_leased(CH_VPN(a_ch), l_vpn_pkt, l_vpn_pkt_size) < 0) {
+                if(ch_sf_tun_addr_leased(CH_VPN(a_ch), l_vpn_pkt, l_pkt->hdr.data_size) < 0) {
                     log_it(L_ERROR, "Can't create tun");
-                }else
-                    s_tun_send_msg_ip_assigned_all(a_ch->stream_worker->worker->id, CH_VPN(a_ch), CH_VPN(a_ch)->addr_ipv4);
-                l_srv_session->stats.bytes_recv += l_vpn_pkt_size;
+                    break;
+                }
+                s_tun_send_msg_ip_assigned_all(a_ch->stream_worker->worker->id, CH_VPN(a_ch), CH_VPN(a_ch)->addr_ipv4);
+                l_srv_session->stats.bytes_recv += l_pkt->hdr.data_size;
                 l_srv_session->stats.packets_recv++;
             } break;
             // for server
@@ -1765,11 +1767,16 @@ static bool s_ch_packet_in(dap_stream_ch_t* a_ch, void* a_arg)
                     dap_stream_ch_pkt_write_unsafe( l_usage->client->ch , DAP_STREAM_CH_CHAIN_NET_SRV_PKT_TYPE_RESPONSE_ERROR,
                                                     &l_err, sizeof (l_err));
                 }
-                l_srv_session->stats.bytes_recv += l_vpn_pkt_size;
+                l_srv_session->stats.bytes_recv += l_pkt->hdr.data_size;
                 l_srv_session->stats.packets_recv++;
             } break;
             // for client only
             case VPN_PACKET_OP_CODE_VPN_RECV:{
+                if (l_vpn_pkt_data_size != l_vpn_pkt->header.op_data.data_size) {
+                    log_it(L_WARNING, "Size of VPN packet data %zu is not equal to estimated size %u",
+                                                    l_vpn_pkt_data_size, l_vpn_pkt->header.op_data.data_size);
+                    return false;
+                }
                 a_ch->stream->esocket->last_ping_request = time(NULL); // not ping, but better  ;-)
                 dap_events_socket_t *l_es = dap_chain_net_vpn_client_tun_get_esock();
                 // Find tun socket for current worker
@@ -1786,9 +1793,13 @@ static bool s_ch_packet_in(dap_stream_ch_t* a_ch, void* a_arg)
                     l_srv_session->stats.packets_sent_lost++;
                 }
             } break;
-
             // for server only
             case VPN_PACKET_OP_CODE_VPN_SEND: {
+                if (l_vpn_pkt_data_size != l_vpn_pkt->header.op_data.data_size) {
+                    log_it(L_WARNING, "Size of VPN packet data %zu is not equal to estimated size %u",
+                                                    l_vpn_pkt_data_size, l_vpn_pkt->header.op_data.data_size);
+                    return false;
+                }
                 dap_chain_net_srv_vpn_tun_socket_t *l_tun = s_tun_sockets[a_ch->stream_worker->worker->id];
                 assert(l_tun);
                 size_t l_ret = dap_events_socket_write_unsafe(l_tun->es, l_vpn_pkt,
@@ -1807,6 +1818,7 @@ static bool s_ch_packet_in(dap_stream_ch_t* a_ch, void* a_arg)
             } break;
             default:
                 log_it(L_WARNING, "Can't process SF type 0x%02x", l_vpn_pkt->header.op_code);
+                return false;
         }
     }
     return true;
diff --git a/modules/service/vpn/include/dap_chain_net_srv_vpn.h b/modules/service/vpn/include/dap_chain_net_srv_vpn.h
index 877082a4c85923154bb852d64157006a9397a359..dbcbaa095b276cb86c6a9f8b7384bf6d7aa5e00c 100644
--- a/modules/service/vpn/include/dap_chain_net_srv_vpn.h
+++ b/modules/service/vpn/include/dap_chain_net_srv_vpn.h
@@ -92,19 +92,6 @@ typedef struct ch_vpn_pkt {
 
 typedef struct dap_chain_net_srv_vpn_tun_socket dap_chain_net_srv_vpn_tun_socket_t;
 typedef struct dap_chain_net_srv_ch_vpn dap_chain_net_srv_ch_vpn_t;
-
-
-// Copy is present on each tun socket
-typedef struct usage_client {
-    dap_chain_net_srv_ch_vpn_t * ch_vpn;
-    dap_chain_datum_tx_receipt_t * receipt;
-    size_t receipt_size;
-    uint32_t usage_id;
-    dap_chain_net_srv_t * srv;
-    dap_chain_net_srv_vpn_tun_socket_t * tun_socket;
-    UT_hash_handle hh;
-} usage_client_t;
-
 typedef struct dap_chain_net_srv_ch_vpn_info dap_chain_net_srv_ch_vpn_info_t;
 
 typedef struct dap_chain_net_srv_vpn_tun_socket {
diff --git a/modules/service/xchange/dap_chain_net_srv_xchange.c b/modules/service/xchange/dap_chain_net_srv_xchange.c
index e0cd881759eca86387e9f19fccbdcc42c57d51c6..0040e2d36fff4a4fcd381031c89b0a52d9209d81 100644
--- a/modules/service/xchange/dap_chain_net_srv_xchange.c
+++ b/modules/service/xchange/dap_chain_net_srv_xchange.c
@@ -1568,17 +1568,14 @@ static int s_cli_srv_xchange_order(int a_argc, char **a_argv, int a_arg_index, v
 
             l_cp_rate = dap_chain_balance_to_coins(l_price->rate); // must be free'd
 
-            char l_tmp_buf[DAP_TIME_STR_SIZE] = {};
-            dap_time_t l_ts_create = (dap_time_t)l_tx->header.ts_created;
-            dap_time_to_str_rfc822(l_tmp_buf, DAP_TIME_STR_SIZE, l_ts_create);
-            l_tmp_buf[strlen(l_tmp_buf) - 1] = '\0';
-
+            char l_tmp_buf[DAP_TIME_STR_SIZE];
+            dap_time_to_str_rfc822(l_tmp_buf, DAP_TIME_STR_SIZE, l_tx->header.ts_created);
             if (l_out_cond_last_tx)
                 l_amount_datoshi_str = dap_uint256_to_char(l_out_cond_last_tx->header.value, &l_amount_coins_str);
 
-            dap_cli_server_cmd_set_reply_text(a_str_reply, "orderHash: %s\n ts_created: %s (%"DAP_UINT64_FORMAT_U")\n Status: %s, amount: %s (%s) %s, filled: %lu%%, rate (%s/%s): %s, net: %s\n\n",
+            dap_cli_server_cmd_set_reply_text(a_str_reply, "orderHash: %s\n ts_created: %s\n Status: %s, amount: %s (%s) %s, filled: %lu%%, rate (%s/%s): %s, net: %s\n\n",
                                      dap_chain_hash_fast_to_str_static(&l_tx_hash),
-                                     l_tmp_buf, l_ts_create, l_status_order,
+                                     l_tmp_buf, l_status_order,
                                      l_amount_coins_str ? l_amount_coins_str : "0.0",
                                      l_amount_datoshi_str ? l_amount_datoshi_str : "0",
                                      l_price->token_sell, l_percent_completed,
@@ -2118,16 +2115,13 @@ static int s_cli_srv_xchange(int a_argc, char **a_argv, void **a_str_reply)
                 uint64_t l_percent_completed = dap_chain_net_srv_xchange_get_order_completion_rate(l_net, l_tx_hash);
 
                 char l_tmp_buf[DAP_TIME_STR_SIZE];
-                dap_time_t l_ts_create = l_tx->header.ts_created;
-                dap_time_to_str_rfc822(l_tmp_buf, DAP_TIME_STR_SIZE, l_ts_create);
-                l_tmp_buf[strlen(l_tmp_buf) - 1] = '\0';
-
+                dap_time_to_str_rfc822(l_tmp_buf, DAP_TIME_STR_SIZE, l_tx->header.ts_created);
                 l_cp_rate = dap_chain_balance_to_coins(l_price->rate);
 
                 const char *l_amount_coins_str = NULL,
                      *l_amount_datoshi_str = l_out_cond_last_tx ? dap_uint256_to_char(l_out_cond_last_tx->header.value, &l_amount_coins_str) : NULL;
-                dap_string_append_printf(l_reply_str, "orderHash: %s\n ts_created: %s (%"DAP_UINT64_FORMAT_U")\n Status: %s, amount: %s (%s) %s, filled: %lu%%, rate (%s/%s): %s, net: %s\n\n", l_tx_hash_str,
-                                         l_tmp_buf, l_ts_create, l_status_order,
+                dap_string_append_printf(l_reply_str, "orderHash: %s\n ts_created: %s\n Status: %s, amount: %s (%s) %s, filled: %lu%%, rate (%s/%s): %s, net: %s\n\n", l_tx_hash_str,
+                                         l_tmp_buf, l_status_order,
                                          l_amount_coins_str ? l_amount_coins_str : "0.0",
                                          l_amount_datoshi_str ? l_amount_datoshi_str : "0",
                                          l_price->token_sell, l_percent_completed,
@@ -2428,12 +2422,11 @@ static int s_cli_srv_xchange(int a_argc, char **a_argv, void **a_str_reply)
 
                     char l_tmp_buf[DAP_TIME_STR_SIZE];
                     dap_time_to_str_rfc822(l_tmp_buf, DAP_TIME_STR_SIZE, l_last_rate_time);
-                    l_tmp_buf[strlen(l_tmp_buf) - 1] = '\0';
                     const char *l_rate_average_str; dap_uint256_to_char(l_rate_average, &l_rate_average_str);
-                    dap_string_append_printf(l_reply_str,"Average rate: %s   \r\n", l_rate_average_str);
+                    dap_string_append_printf(l_reply_str,"Average rate: %s\n", l_rate_average_str);
                     const char *l_last_rate_str; dap_uint256_to_char(l_rate, &l_last_rate_str);
-                    dap_string_append_printf(l_reply_str, "Last rate: %s Last rate time: %s (%"DAP_UINT64_FORMAT_U")",
-                                             l_last_rate_str, l_tmp_buf, l_last_rate_time);
+                    dap_string_append_printf(l_reply_str, "Last rate: %s Last rate time: %s",
+                                             l_last_rate_str, l_tmp_buf);
                     *a_str_reply = dap_string_free(l_reply_str, false);
                     break;
                 }else if (strcmp(l_price_subcommand,"history") == 0){
@@ -2453,7 +2446,7 @@ static int s_cli_srv_xchange(int a_argc, char **a_argv, void **a_str_reply)
                     size_t l_datum_num = dap_list_length(l_datum_list0);
 
                     if (l_datum_num == 0){
-                        dap_cli_server_cmd_set_reply_text(a_str_reply,"Can't find transactions");
+                        dap_cli_server_cmd_set_reply_text(a_str_reply, "Can't find transactions");
                         return -6;
                     }
                     size_t l_arr_start = 0;