78 lines
2 KiB
C++
78 lines
2 KiB
C++
// Copyright (c) 2011-2016 The Cryptonote developers
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// Distributed under the MIT/X11 software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#pragma once
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#include "CryptoNoteFormatUtils.h"
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#include "TransactionExtra.h"
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namespace CryptoNote {
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class TransactionExtra {
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public:
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TransactionExtra() {}
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TransactionExtra(const std::vector<uint8_t>& extra) {
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parse(extra);
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}
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bool parse(const std::vector<uint8_t>& extra) {
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fields.clear();
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return CryptoNote::parseTransactionExtra(extra, fields);
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}
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template <typename T>
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bool get(T& value) const {
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auto it = find(typeid(T));
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if (it == fields.end()) {
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return false;
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}
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value = boost::get<T>(*it);
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return true;
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}
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template <typename T>
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void set(const T& value) {
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auto it = find(typeid(T));
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if (it != fields.end()) {
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*it = value;
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} else {
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fields.push_back(value);
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}
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}
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template <typename T>
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void append(const T& value) {
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fields.push_back(value);
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}
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bool getPublicKey(Crypto::PublicKey& pk) const {
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CryptoNote::TransactionExtraPublicKey extraPk;
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if (!get(extraPk)) {
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return false;
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}
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pk = extraPk.publicKey;
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return true;
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}
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std::vector<uint8_t> serialize() const {
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std::vector<uint8_t> extra;
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writeTransactionExtra(extra, fields);
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return extra;
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}
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private:
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std::vector<CryptoNote::TransactionExtraField>::const_iterator find(const std::type_info& t) const {
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return std::find_if(fields.begin(), fields.end(), [&t](const CryptoNote::TransactionExtraField& f) { return t == f.type(); });
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}
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std::vector<CryptoNote::TransactionExtraField>::iterator find(const std::type_info& t) {
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return std::find_if(fields.begin(), fields.end(), [&t](const CryptoNote::TransactionExtraField& f) { return t == f.type(); });
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}
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std::vector<CryptoNote::TransactionExtraField> fields;
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};
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}
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