91 lines
3.4 KiB
C
91 lines
3.4 KiB
C
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// Copyright (c) 2012-2015, The CryptoNote developers, The Bytecoin developers
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//
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// This file is part of Bytecoin.
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//
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// Bytecoin is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Bytecoin is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with Bytecoin. If not, see <http://www.gnu.org/licenses/>.
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#pragma once
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#include <vector>
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#include <boost/variant.hpp>
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#include <CryptoNote.h>
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#define TX_EXTRA_PADDING_MAX_COUNT 255
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#define TX_EXTRA_NONCE_MAX_COUNT 255
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#define TX_EXTRA_TAG_PADDING 0x00
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#define TX_EXTRA_TAG_PUBKEY 0x01
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#define TX_EXTRA_NONCE 0x02
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#define TX_EXTRA_MERGE_MINING_TAG 0x03
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#define TX_EXTRA_NONCE_PAYMENT_ID 0x00
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namespace CryptoNote {
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struct TransactionExtraPadding {
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size_t size;
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};
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struct TransactionExtraPublicKey {
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Crypto::PublicKey publicKey;
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};
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struct TransactionExtraNonce {
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std::vector<uint8_t> nonce;
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};
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struct TransactionExtraMergeMiningTag {
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size_t depth;
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Crypto::Hash merkleRoot;
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};
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// tx_extra_field format, except tx_extra_padding and tx_extra_pub_key:
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// varint tag;
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// varint size;
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// varint data[];
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typedef boost::variant<TransactionExtraPadding, TransactionExtraPublicKey, TransactionExtraNonce, TransactionExtraMergeMiningTag> TransactionExtraField;
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template<typename T>
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bool findTransactionExtraFieldByType(const std::vector<TransactionExtraField>& tx_extra_fields, T& field) {
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auto it = std::find_if(tx_extra_fields.begin(), tx_extra_fields.end(),
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[](const TransactionExtraField& f) { return typeid(T) == f.type(); });
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if (tx_extra_fields.end() == it)
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return false;
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field = boost::get<T>(*it);
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return true;
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}
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bool parseTransactionExtra(const std::vector<uint8_t>& tx_extra, std::vector<TransactionExtraField>& tx_extra_fields);
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bool writeTransactionExtra(std::vector<uint8_t>& tx_extra, const std::vector<TransactionExtraField>& tx_extra_fields);
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Crypto::PublicKey getTransactionPublicKeyFromExtra(const std::vector<uint8_t>& tx_extra);
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bool addTransactionPublicKeyToExtra(std::vector<uint8_t>& tx_extra, const Crypto::PublicKey& tx_pub_key);
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bool addExtraNonceToTransactionExtra(std::vector<uint8_t>& tx_extra, const BinaryArray& extra_nonce);
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void setPaymentIdToTransactionExtraNonce(BinaryArray& extra_nonce, const Crypto::Hash& payment_id);
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bool getPaymentIdFromTransactionExtraNonce(const BinaryArray& extra_nonce, Crypto::Hash& payment_id);
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bool appendMergeMiningTagToExtra(std::vector<uint8_t>& tx_extra, const TransactionExtraMergeMiningTag& mm_tag);
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bool getMergeMiningTagFromExtra(const std::vector<uint8_t>& tx_extra, TransactionExtraMergeMiningTag& mm_tag);
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bool createTxExtraWithPaymentId(const std::string& paymentIdString, std::vector<uint8_t>& extra);
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//returns false if payment id is not found or parse error
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bool getPaymentIdFromTxExtra(const std::vector<uint8_t>& extra, Crypto::Hash& paymentId);
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bool parsePaymentId(const std::string& paymentIdString, Crypto::Hash& paymentId);
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}
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