#include <stdarg.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdlib.h>

typedef struct CWallet {
  char *msg_key;
  char *master_key;
  char *second_key;
  char *backup_key;
} CWallet;

extern void log(const str *s);

extern void log_u32(uint32_t a);

extern void log_many(const str *a, const str *b);

struct CWallet new_wallet(const char *msg);

struct CWallet reset_wallet(const char *msg_key,
                            const char *master_key,
                            const char *second_key,
                            const char *backup_key);

void free_cwallet(struct CWallet cw);

char *get_address(const char *msg_key,
                  const char *master_key,
                  const char *second_key,
                  const char *backup_key);

char *generate_sec_key(const char *msg_key,
                       const char *master_key,
                       const char *second_key,
                       const char *backup_key);

char *sign(const char *msg_key,
           const char *master_key,
           const char *second_key,
           const char *backup_key,
           const char *msg);

char *sign_for_tran(const char *msg_key,
                    const char *master_key,
                    const char *second_key,
                    const char *backup_key,
                    const char *msg);

char *encrypt(const char *msg_key,
              const char *master_key,
              const char *second_key,
              const char *backup_key,
              const char *msg);

char *decrypt(const char *msg_key,
              const char *master_key,
              const char *second_key,
              const char *backup_key,
              const char *msg);