[+] Simple block mining function

[+] Declarations for chain operations
[+] Block cache
[+] Block dump
[*] Some internal fixes

dap_chain_wallet_internal.h

@@ -24,14 +24,39 @@
 
 #pragma once
 
+#include "dap_enc_key.h"
 #include "dap_chain_common.h"
 
 #include "dap_chain_wallet.h"
 
+#define DAP_CHAIN_WALLET_FILE_SIGNATURE 0x1a167bef15feea18
+
+typedef struct dap_chain_wallet_key{
+    struct {
+        dap_chain_sig_type_t sig_type; /// Signature type
+        uint32_t key_size; /// Private key size
+    } header;
+    uint8_t key_raw[]; /// Raw data of the private key
+} DAP_ALIGN_PACKED dap_chain_wallet_key_t;
+
+
+typedef struct dap_chain_wallet_file
+{
+    struct {
+        uint64_t signature;
+        uint32_t version;
+        uint8_t type; /// Wallet storage type 0x00 - uncompressed and unencrypted
+        uint64_t keys_size;
+    } DAP_ALIGN_PACKED header;
+    uint8_t keys[];
+} DAP_ALIGN_PACKED dap_chain_wallet_file_t;
+
 typedef struct dap_chain_wallet_internal
 {
     dap_chain_addr_t addr;
     char * file_name;
+    size_t keys_count;
+    dap_enc_key_t ** keys;
 } dap_chain_wallet_internal_t;
 
 #define DAP_CHAIN_WALLET_INTERNAL(a) ((dap_chain_wallet_internal_t *) a->_internal  )

dap_hash.h

@@ -34,7 +34,7 @@ typedef enum dap_hash_type {
     DAP_HASH_TYPE_SLOW_0 = 1,
 } dap_hash_type_t;
 
-inline void dap_hash(void * a_data_in, size_t a_data_in_size,
+inline static void dap_hash(void * a_data_in, size_t a_data_in_size,
                      void * a_data_out, size_t a_data_out_size,
                      dap_hash_type_t a_type ){
     switch (a_type){

dap_hash_keccak.h

@@ -26,7 +26,7 @@
 #include "keccak.h"
 
 
-inline void dap_hash_keccak(const void * a_in, size_t a_in_size, void * a_out, size_t a_out_size)
+static inline void dap_hash_keccak(const void * a_in, size_t a_in_size, void * a_out, size_t a_out_size)
 {
     keccak((const uint8_t*) a_in,a_in_size, (uint8_t *) a_out,  a_out_size );
 }

dap_hash_slow.h

@@ -34,10 +34,10 @@
  * @param a_in_length
  * @param a_out Must be allocated with enought space
  */
-inline void dap_hash_slow(const void *a_in, size_t a_in_length, char * a_out)
+static inline void dap_hash_slow(const void *a_in, size_t a_in_length, char * a_out)
 {
     cn_slow_hash(a_in,a_in_length,a_out);
 }
 
-inline size_t dap_hash_slow_size() { return DAP_HASH_SLOW_SIZE; }
+static inline size_t dap_hash_slow_size() { return DAP_HASH_SLOW_SIZE; }
 //cn_slow_hash(data, length, reinterpret_cast<char *>(&hash));