Merge branch 'master' of https://github.com/kelvinblockchain/libdap-chain-net-srv

CMakeLists.txt

@@ -11,10 +11,12 @@ set(DAP_CHAIN_NET_SRV_HEADERS
         dap_chain_net_srv_common.h
     )
 
+
 add_library(${PROJECT_NAME} STATIC ${DAP_CHAIN_NET_SRV_SRCS} ${DAP_CHAIN_NET_SRV_HEADERS})
 
 
-target_link_libraries(dap_chain_net_srv dap_core dap_crypto dap_chain dap_chain_crypto dap_chain_net )
+target_link_libraries(dap_chain_net_srv dap_core dap_crypto dap_chain dap_chain_crypto dap_chain_net)
+#target_link_libraries(dap_chain_net_srv dap_core dap_crypto dap_chain dap_chain_crypto dap_chain_net dap_server_http_db_auth)
 target_include_directories(dap_chain_net_srv INTERFACE .)
 
 set(${PROJECT_NAME}_DEFINITIONS CACHE INTERNAL "${PROJECT_NAME}: Definitions" FORCE)

dap_chain_net_srv.c

-/*
- * Authors:
- * Dmitriy A. Gearasimov <kahovski@gmail.com>
- * DeM Labs Inc.   https://demlabs.net
- * DeM Labs Open source community https://github.com/demlabsinc
- * Copyright  (c) 2017-2018
- * 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 "utlist.h"
-
-#include "dap_chain_net_srv.h"
-
-#define LOG_TAG "chain_net_srv"
-
-static size_t m_uid_count;
-static dap_chain_net_srv_uid_t * m_uid;
-
-/**
- * @brief dap_chain_net_srv_init
- * @return
- */
-int dap_chain_net_srv_init(void)
-{
-    m_uid = NULL;
-    m_uid_count = 0;
-    return 0;
-}
-
-/**
- * @brief dap_chain_net_srv_deinit
- */
-void dap_chain_net_srv_deinit(void)
-{
-
-}
-
-/**
- * @brief dap_chain_net_srv_add
- * @param a_srv
- */
-void dap_chain_net_srv_add(dap_chain_net_srv_t * a_srv)
-{
-
-}
-
-/**
- * @brief dap_chain_net_srv_get
- * @param a_uid
- * @return
- */
-dap_chain_net_srv_t * dap_chain_net_srv_get( dap_chain_net_srv_uid_t a_uid)
-{
-
-}
-
-/**
- * @brief dap_chain_net_srv_count
- * @return
- */
-size_t dap_chain_net_srv_count()
-{
-
-}
-
-/**
- * @brief dap_chain_net_srv_list
- * @return
- */
-const dap_chain_net_srv_uid_t * dap_chain_net_srv_list()
-{
-
-}

dap_chain_net_srv.h

-/*
- * Authors:
- * Dmitriy A. Gearasimov <gerasimov.dmitriy@demlabs.net>
- * DeM Labs Inc.   https://demlabs.net
- * Kelvin Project https://github.com/kelvinblockchain
- * Copyright  (c) 2017-2018
- * 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 "dap_chain_net_srv_common.h"
-
-typedef struct dap_chain_net_srv
-{
-    dap_chain_net_srv_uid_t uid; // Unique ID for service.
-
-    void * _internal;
-    void * _inhertor;
-} dap_chain_net_srv_t;
-
-int dap_chain_net_srv_init(void);
-void dap_chain_net_srv_deinit(void);
-
-void dap_chain_net_srv_add(dap_chain_net_srv_t * a_srv);
-dap_chain_net_srv_t * dap_chain_net_srv_get( dap_chain_net_srv_uid_t a_uid);
-size_t dap_chain_net_srv_count();
-const dap_chain_net_srv_uid_t * dap_chain_net_srv_list();
-

dap_chain_net_srv_common.c

+#include <stdint.h>
+#include "rand/dap_rand.h"
+#include "dap_chain_net_srv_common.h"
+#include "dap_chain_datum_tx_items.h"
+#include "dap_chain_utxo.h"
+
+/**
+ * Generate unique id for service
+ */
+bool dap_chain_net_srv_gen_uid(dap_chain_net_srv_uid_t *a_srv)
+{
+    if(!a_srv)
+        return false;
+    randombytes(a_srv, sizeof(dap_chain_net_srv_uid_t));
+    return true;
+}
+
+/**
+ *
+ */
+uint64_t dap_chain_net_srv_client_auth(char *a_addr_base58, uint8_t *a_sign, size_t a_sign_size,
+        const dap_chain_net_srv_abstract_t **a_cond_out)
+{
+    dap_chain_addr_t *l_addr = (a_addr_base58) ? dap_chain_str_to_addr(a_addr_base58) : NULL;
+    dap_chain_tx_out_cond_t *l_tx_out_cond = NULL;
+
+    // Search all value in transactions with l_addr in 'out_cond' item
+    uint64_t l_value = 0;//!!!dap_chain_node_datum_tx_cache_get_out_cond_value(l_addr, &l_tx_out_cond);
+    DAP_DELETE(l_addr);
+    // not found transaction with l_addr in 'out_cond' item
+    if(!l_value)
+        return 0;
+
+    size_t l_pkey_size = 0;
+    size_t l_cond_size = 0;
+    uint8_t *l_cond = dap_chain_datum_tx_out_cond_item_get_pkey(l_tx_out_cond, &l_cond_size);
+    uint8_t *l_pkey = dap_chain_datum_tx_out_cond_item_get_cond(l_tx_out_cond, &l_pkey_size);
+
+    // 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_addr->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;
+    }
+
+    if(l_cond_size != sizeof(dap_chain_net_srv_abstract_t)) {
+        return 0;
+    }
+    if(a_cond_out)
+        *a_cond_out = (const dap_chain_net_srv_abstract_t*) l_cond;
+    return l_value;
+}

dap_chain_net_srv_common.h

 #pragma once
 #include <stdint.h>
+#include <stdbool.h>
 #include "dap_common.h"
 #include "dap_math_ops.h"
 
@@ -13,3 +14,46 @@ typedef union{
     dap_uint128_t raw_ui128[1];
 #endif
 }  dap_chain_net_srv_uid_t;
+
+
+//Classes of services
+enum {
+    SERV_CLASS_ONCE = 1, // one-time service
+    SERV_CLASS_PERMANENT = 2
+};
+
+//Types of services
+enum {
+    SERV_ID_VPN = 1,
+};
+
+typedef struct dap_chain_net_srv_abstract
+{
+    uint64_t proposal_id; // id trade proposal. Must be unique to the node.
+
+    uint8_t class; //Class of service
+    uint8_t type_id; //Type of service
+    union {
+        struct {
+            int bandwith;
+            int abuse_resistant;
+            int limit_bytes;
+        } vpn;
+        /*struct {
+            int value;
+        } another_srv;*/
+    } proposal_params;
+
+    //size_t pub_key_data_size;
+    //void * pub_key_data;
+
+    uint64_t price; //  service price, for SERV_CLASS_ONCE ONCE for the whole service, for SERV_CLASS_PERMANENT  for one unit.
+    uint8_t price_units; // Unit of service (seconds, megabytes, etc.) Only for SERV_CLASS_PERMANENT
+    char decription[128];
+} DAP_ALIGN_PACKED dap_chain_net_srv_abstract_t;
+
+// generate new dap_chain_net_srv_uid_t
+bool dap_chain_net_srv_gen_uid(dap_chain_net_srv_uid_t *a_srv);
+
+uint64_t dap_chain_net_srv_client_auth(char *a_addr_base58, uint8_t *a_sign, size_t a_sign_size,
+        const dap_chain_net_srv_abstract_t **a_cond_out);