// 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 "Clause.h"

#include "../Data.h"

#include <cstdint>

#include <vector>

namespace TW::VeChain {

class Transaction {

public:

/// Last byte of the genesis block ID which is used to identify a blockchain

/// to prevent the cross-chain replay attack.

std::uint8_t chainTag;

/// Reference to a specific block.

std::uint64_t blockRef;

/// How long, in terms of the number of blocks, the transaction will be

/// allowed to be mined in VeChainThor.

std::uint32_t expiration;

/// An array of Clause objects.

///

/// Each clause contains fields To, Value and Data to enable a single

/// transaction to carry multiple tasks issued by the transaction sender.

std::vector<Clause> clauses;

/// Coefficient used to calculate the gas price for the transaction.

std::uint8_t gasPriceCoef;

/// Maximum amount of gas allowed to pay for the transaction.

std::uint64_t gas;

/// ID of the transaction on which the current transaction depends.

Data dependsOn;

/// Number set by user.

std::uint64_t nonce;

/// Reserved field for backward compatibility. It MUST be set empty for now

/// otherwise the transaction will be considered invalid.

std::vector<Data> reserved;

/// Transaction signature.

Data signature;

Transaction() = default;

public:

/// Encodes the transaction.

Data encode() const noexcept;

};

} // namespace TW::VeChain