80 lines
2.8 KiB
C++
80 lines
2.8 KiB
C++
// 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 "cryptonote_core/account.h"
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#include "cryptonote_core/cryptonote_format_utils.h"
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#include "cryptonote_core/Currency.h"
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class TransactionBuilder {
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public:
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typedef std::vector<CryptoNote::account_keys> KeysVector;
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typedef std::vector<crypto::signature> SignatureVector;
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typedef std::vector<SignatureVector> SignatureMultivector;
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struct MultisignatureSource {
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CryptoNote::TransactionInputMultisignature input;
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KeysVector keys;
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crypto::public_key srcTxPubKey;
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size_t srcOutputIndex;
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};
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TransactionBuilder(const CryptoNote::Currency& currency, uint64_t unlockTime = 0);
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// regenerate transaction keys
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TransactionBuilder& newTxKeys();
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TransactionBuilder& setTxKeys(const CryptoNote::KeyPair& txKeys);
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// inputs
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TransactionBuilder& setInput(const std::vector<CryptoNote::tx_source_entry>& sources, const CryptoNote::account_keys& senderKeys);
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TransactionBuilder& addMultisignatureInput(const MultisignatureSource& source);
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// outputs
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TransactionBuilder& setOutput(const std::vector<CryptoNote::tx_destination_entry>& destinations);
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TransactionBuilder& addOutput(const CryptoNote::tx_destination_entry& dest);
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TransactionBuilder& addMultisignatureOut(uint64_t amount, const KeysVector& keys, uint32_t required);
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CryptoNote::Transaction build() const;
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std::vector<CryptoNote::tx_source_entry> m_sources;
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std::vector<CryptoNote::tx_destination_entry> m_destinations;
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private:
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void fillInputs(CryptoNote::Transaction& tx, std::vector<CryptoNote::KeyPair>& contexts) const;
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void fillOutputs(CryptoNote::Transaction& tx) const;
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void signSources(const crypto::hash& prefixHash, const std::vector<CryptoNote::KeyPair>& contexts, CryptoNote::Transaction& tx) const;
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struct MultisignatureDestination {
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uint64_t amount;
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uint32_t requiredSignatures;
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KeysVector keys;
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};
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CryptoNote::account_keys m_senderKeys;
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std::vector<MultisignatureSource> m_msigSources;
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std::vector<MultisignatureDestination> m_msigDestinations;
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size_t m_version;
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uint64_t m_unlockTime;
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CryptoNote::KeyPair m_txKey;
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const CryptoNote::Currency& m_currency;
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};
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