manage nonces in crypto.h

src/common.h

@@ -9,12 +9,12 @@
     if (!(cond)) {                                                             \
       std::cerr << "ASSERTION FAILED at " << __FILE__ << ":" << __LINE__       \
                 << "\n"                                                        \
-                << #cond << std::endl;                                         \
+                << #cond << '\n';                                              \
       abort();                                                                 \
     }                                                                          \
   } while (0)
 
-using u8 = unsigned char;
+using u8 = uint8_t;
 using i16 = int16_t;
 using u16 = uint16_t;
 using i32 = int32_t;
@@ -26,11 +26,6 @@ using f32 = float;
 static_assert(sizeof(double) * 8 == 64);
 using f64 = double;
 
-inline std::string path_to_filename(const std::string &path) {
-  u64 pos = path.find_last_of("/\\");
-  return (pos == std::string::npos) ? path : path.substr(pos + 1);
-}
-
 template <typename T> constexpr char *to_char_ptr(T *ptr) noexcept {
   return reinterpret_cast<char *>(ptr);
 }