#ifndef AAD_SHA1_WASM
#define AAD_SHA1_WASM

#include "aad_data_types.h"
#include "aad_sha1.h"

//
// SHA1 hash computation for WebAssembly (scalar implementation)
//

static inline u32_t rotate_left(u32_t x, int n)
{
  return (x << n) | (x >> (32 - n));
}

static void sha1(u32_t *coin, u32_t *hash)
{
  // Define the macros needed by CUSTOM_SHA1_CODE
  #define T           u32_t
  #define C(c)        (c)
  #define ROTATE(x,n) rotate_left(x,n)
  #define DATA(idx)   coin[idx]
  #define HASH(idx)   hash[idx]

  // Use the standard SHA1 template from aad_sha1.h
  CUSTOM_SHA1_CODE();

  #undef T
  #undef C
  #undef ROTATE
  #undef DATA
  #undef HASH
}

#endif