trinary.hpp

//
// MIT License
//
// Copyright (c) 2017-2018 Thibault Martinez and Simon Ninon
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
//
//

#pragma once

#include <iota/types/trits.hpp>
#include <iota/types/trytes.hpp>

namespace IOTA {

namespace Types {

int8_t tryteIndex(const char& tryte);

bool isValidTryte(const char& tryte);

bool isValidTrytes(const Trytes& trytes);

bool isValidTrit(const int8_t& trit);

bool isValidHash(const Trytes& s);

bool isArrayOfHashes(const std::vector<Trytes>& hashes);

Trytes charToTrytes(const char c);

Trytes stringToTrytes(const std::string& str);

std::string trytesToString(const Trytes& trytes);

std::vector<uint8_t> tritsToBytes(const Trits& trits, std::size_t offset = 0);
Trits                bytesToTrits(const std::vector<uint8_t>& bytes, std::size_t offset = 0);

std::vector<uint8_t> trytesToBytes(const Trytes& trytes);
Trytes               bytesToTrytes(const std::vector<uint8_t>& bytes);

Trits  trytesToTrits(const Trytes& trytes);
Trytes tritsToTrytes(const Trits& trits);
Trytes tritsToTrytes(const Trits& trits, std::size_t length);

Types::Trits intToTrits(const int64_t& value);
Types::Trits intToTrits(const int64_t& value, std::size_t length);

template <typename T>
T
tritsToInt(const Trits& trits) {
  T res = 0;

  for (std::size_t i = trits.size(); i > 0; --i) {
    res = res * 3 + trits[i - 1];
  }

  return res;
}

void incrementTrits(Trits& trits);

}  // namespace Types

}  // namespace IOTA