// Copyright © 2017-2020 Trust Wallet.

//

// This file is part of Trust. The full Trust copyright notice, including

// terms governing use, modification, and redistribution, is contained in the

// file LICENSE at the root of the source code distribution tree.

#pragma once

#include "../Data.h"

#include "../PublicKey.h"

#include "Prefixes.h"

#include <string>

namespace TW::EOS {

class Address {

public:

/// Determines whether a string makes a valid EOS address.

static bool isValid(const std::string& string);

/// Determines whether the given byte array is a valid keyBuffer

static bool isValid(const Data& bytes, Type type = Type::Legacy);

/// Initializes a EOS address from a string representation.

Address(const std::string& string);

/// Initializes a EOS address from a public key.

Address(const PublicKey& publicKey, Type type = Type::Legacy);

/// Initializes a EOS address from a byte array.

Address(const Data& data, Type type = Type::Legacy);

/// Returns a string representation of the EOS address.

std::string string() const;

friend bool operator==(const Address& lhs, const Address& rhs);

inline std::string prefix() const { return pubPrefixForType(type); }

protected:

// Class constants

static const size_t PublicKeyDataSize = 33;

static const size_t ChecksumSize = 4;

static const size_t KeyDataSize = PublicKeyDataSize + ChecksumSize;

Data keyData;

Type type;

static uint32_t createChecksum(const Data& bytes, Type type);

static bool extractKeyData(const std::string& string, Address *address = nullptr);

};

inline bool operator==(const Address& lhs, const Address& rhs) {

return lhs.keyData == rhs.keyData

&& lhs.type == rhs.type;

}

} // namespace TW::EOS

struct TWEOSAddress {

TW::EOS::Address impl;

};