70 lines
2.4 KiB
C++
Executable file
70 lines
2.4 KiB
C++
Executable file
// 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 <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_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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// 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> 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 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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