diff --git a/CMakeLists.txt b/CMakeLists.txt
index 16ea0b8315b6bf12663ed0b3d2b5a510a7b5d560..199a83895d5dee0c5ea529b3740db1060e57dcbb 100755
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -7,12 +7,12 @@ add_definitions ("-D_GNU_SOURCE")
set(CMAKE_C_FLAGS "-std=c11 -Wall -Wextra")
-find_package(PkgConfig)
-pkg_check_modules(MONGO REQUIRED libmongoc-1.0)
-pkg_check_modules(BSON REQUIRED libbson-1.0)
-
-add_subdirectory(db)
-add_subdirectory(auth)
+#find_package(PkgConfig)
+#pkg_check_modules(MONGO REQUIRED libmongoc-1.0)
+#pkg_check_modules(BSON REQUIRED libbson-1.0)
+#
+#add_subdirectory(db)
+#add_subdirectory(auth)
file(GLOB FILE_SOURCES *.c)
@@ -20,10 +20,10 @@ file(GLOB FILE_HEADERS *.h)
add_library(${PROJECT_NAME} STATIC ${FILE_SOURCES} ${FILE_HEADERS})
-target_link_libraries(${PROJECT_NAME} dap_crypto dap_auth dap_db)
+#target_link_libraries(${PROJECT_NAME} dap_core dap_crypto dap_auth dap_db)
+target_link_libraries(${PROJECT_NAME} dap_core dap_crypto dap_chain dap_chain_wallet)
target_include_directories(${PROJECT_NAME} INTERFACE .)
#set(${PROJECT_NAME}_DEFINITIONS CACHE INTERNAL "${PROJECT_NAME}: Definitions" FORCE)
-#
#set(${PROJECT_NAME}_INCLUDE_DIRS ${PROJECT_SOURCE_DIR} CACHE INTERNAL "${PROJECT_NAME}: Include Directories" FORCE)
\ No newline at end of file
diff --git a/auth.c b/auth.c
deleted file mode 100755
index 798e8091215ae0d568ebba870ed630833ef5b8e3..0000000000000000000000000000000000000000
--- a/auth.c
+++ /dev/null
@@ -1,6 +0,0 @@
-#include <db_auth.h>
-
-int dap_server_http_db_auth_check_key(uint8_t *key)
-{
- exist_user_in_db("da");
-}
diff --git a/dap_server_http_db_auth.c b/dap_server_http_db_auth.c
new file mode 100755
index 0000000000000000000000000000000000000000..8cd6bf9a2a8df199689e64cf8a44a7d518cefaa5
--- /dev/null
+++ b/dap_server_http_db_auth.c
@@ -0,0 +1,162 @@
+/*
+ * Authors:
+ * Dmitriy A. Gearasimov <gerasimov.dmitriy@demlabs.net>
+ * Aleksandr Lysikov <alexander.lysikov@demlabs.net>
+ * DeM Labs Inc. https://demlabs.net
+ * Kelvin Project https://github.com/kelvinblockchain
+ * Copyright (c) 2019
+ * All rights reserved.
+
+ This file is part of DAP (Deus Applications Prototypes) the open source project
+
+ DAP (Deus Applicaions Prototypes) is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ DAP is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with any DAP based project. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <string.h>
+#include <stddef.h>
+
+#include <dap_common.h>
+#include "dap_config.h"
+#include "dap_enc_key.h"
+#include "dap_strfuncs.h"
+#include "dap_hash.h"
+
+#include "dap_chain_common.h"
+#include "dap_chain_sign.h"
+#include "dap_chain_wallet.h"
+
+#include "dap_server_http_db_auth.h"
+
+/**
+ * Parse a_service_key from service client
+ * a_addr_base58[out] - address
+ * a_sign_hash[out] - hash of sign
+ */
+bool dap_server_http_db_auth_parse_service_key(const char *a_service_key, char **a_addr_base58, char **a_sign_hash)
+{
+ bool l_ret = false;
+ // format a_service_key = "a_addr_base58;a_sign_hash"
+ if(!a_service_key)
+ return false;
+ char **l_str = dap_strsplit(a_service_key, ";", -1);
+ if(dap_str_countv(l_str) == 2) {
+ if(a_addr_base58)
+ *a_addr_base58 = strdup(l_str[0]);
+ if(a_sign_hash)
+ *a_sign_hash = strdup(l_str[1]);
+ l_ret = true;
+ }
+ dap_strfreev(l_str);
+ return l_ret;
+}
+
+/**
+ * Create new service_key
+ */
+char* dap_server_http_db_auth_create_service_key(const char *a_wallet_name)
+{
+ char *l_addr_base58 = NULL;
+ char *l_sign_hash_str = dap_server_http_db_auth_create_key_hash(a_wallet_name, &l_addr_base58);
+ char *l_ret_str = NULL;
+
+ if(l_sign_hash_str && l_addr_base58) {
+ l_ret_str = dap_strdup_printf("%s;%s", l_addr_base58, l_sign_hash_str);
+ }
+ DAP_DELETE(l_addr_base58);
+ DAP_DELETE(l_sign_hash_str);
+ return l_ret_str;
+}
+
+/**
+ * Create new key hash
+ */
+char* dap_server_http_db_auth_create_key_hash(const char *a_wallet_name, char **a_addr_base58)
+{
+ const char *c_wallets_path = dap_config_get_item_str(g_config, "general", "wallets_path");
+ dap_chain_wallet_t * l_wallet = dap_chain_wallet_open(a_wallet_name, c_wallets_path);
+ if(!l_wallet)
+ return NULL;
+ dap_enc_key_t *l_key = dap_chain_wallet_get_key(l_wallet, 0);
+ const dap_chain_addr_t *l_addr = dap_chain_wallet_get_addr(l_wallet);
+ char *l_addr_base58 = dap_chain_addr_to_str(l_addr);
+ if(!l_addr_base58)
+ return NULL;
+
+ // make signature
+ const void *l_data = l_addr_base58;
+ const size_t l_data_size = strlen(l_data);
+ dap_chain_sign_t *l_chain_sign = dap_chain_sign_create(l_key, l_data, l_data_size, 0);
+ size_t l_chain_sign_size = dap_chain_sign_get_size(l_chain_sign);
+
+ dap_chain_wallet_close(l_wallet);
+ if(a_addr_base58)
+ *a_addr_base58 = l_addr_base58;
+ else
+ DAP_DELETE(l_addr_base58);
+
+ // make dap_chain_sign_t hash
+ dap_chain_hash_fast_t l_sign_hash;
+ if(dap_hash_fast(l_chain_sign, l_chain_sign_size, &l_sign_hash) < 0) {
+ return NULL;
+ }
+
+ // hash to str
+ const size_t cl_str_ret_size = sizeof(dap_chain_hash_fast_t) * 2 + 1;
+ char *l_str_ret = DAP_NEW_Z_SIZE(char, sizeof(dap_chain_hash_fast_t) * 2 + 1);
+ dap_chain_hash_fast_to_str(&l_sign_hash, l_str_ret, cl_str_ret_size);
+ return l_str_ret;
+}
+
+/**
+ * Checking service_key from service client
+ */
+bool dap_server_http_db_auth_check_key(char *a_addr_base58, const char *a_sign_hash_str)
+{
+ //exist_user_in_db("da");
+ if(!a_addr_base58 || !a_sign_hash_str)
+ return false;
+
+ /* // create l_chain_sign for check a_sign
+ dap_chain_sign_t *l_chain_sign = DAP_NEW_Z_SIZE(dap_chain_sign_t,
+ sizeof(dap_chain_sign_t) + a_sign_size + l_pkey_size);
+ l_chain_sign->header.type = l_sig_type;
+ l_chain_sign->header.sign_size = l_pkey_size;
+ l_chain_sign->header.sign_pkey_size = l_pkey_size;
+ // write serialized public key to dap_chain_sign_t
+ memcpy(l_chain_sign->pkey_n_sign, l_pkey, l_pkey_size);
+ // write serialized signature to dap_chain_sign_t
+ memcpy(l_chain_sign->pkey_n_sign + l_pkey_size, a_sign, a_sign_size);
+
+ // check signature
+ if(dap_chain_sign_verify(l_chain_sign, a_sign, a_sign_size) != 1) {
+ // invalid signature
+ return 0;
+ }*/
+
+ // TODO add find l_wallet_name by a_addr_base58
+ const char *l_wallet_name = "w_picnic";
+ // Create new hash
+ char *l_sign_hash_str = dap_server_http_db_auth_create_key_hash(l_wallet_name, NULL);
+ size_t l_sign_hash_str_len = (l_sign_hash_str) ? strlen(l_sign_hash_str) : 0;
+
+ // compare l_sign_hash_str and a_sign_hash_str
+ if(!l_sign_hash_str_len || l_sign_hash_str_len != strlen(a_sign_hash_str)) {
+ return false;
+ }
+ if(memcmp(l_sign_hash_str, a_sign_hash_str, l_sign_hash_str_len)) {
+ return false;
+ }
+
+ return true;
+}
diff --git a/dap_server_http_db_auth.h b/dap_server_http_db_auth.h
new file mode 100644
index 0000000000000000000000000000000000000000..0064a1cf6e91fe0055d3665c7bae6217a7f103b2
--- /dev/null
+++ b/dap_server_http_db_auth.h
@@ -0,0 +1,40 @@
+/*
+ * Authors:
+ * Dmitriy A. Gearasimov <gerasimov.dmitriy@demlabs.net>
+ * Aleksandr Lysikov <alexander.lysikov@demlabs.net>
+ * DeM Labs Inc. https://demlabs.net
+ * Kelvin Project https://github.com/kelvinblockchain
+ * Copyright (c) 2019
+ * All rights reserved.
+
+ This file is part of DAP (Deus Applications Prototypes) the open source project
+
+ DAP (Deus Applicaions Prototypes) is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ DAP is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with any DAP based project. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include <stdint.h>
+#include <stdbool.h>
+
+// Parse a_service_key from service client
+bool dap_server_http_db_auth_parse_service_key(const char *a_service_key, char **a_addr_base58, char **a_sign_hash);
+// Create new service_key
+char* dap_server_http_db_auth_create_service_key(const char *a_wallet_name);
+
+// Create new key hash
+char* dap_server_http_db_auth_create_key_hash(const char *a_wallet_name, char **a_addr_base58);
+// Checking service_key from service client
+bool dap_server_http_db_auth_check_key(char *a_addr_base58, const char *a_sign_hash_str);
+