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64 lines
2.4 KiB
C++
64 lines
2.4 KiB
C++
// Copyright (c) 2014-2016, The Monero Project
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without modification, are
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// permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice, this list of
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// conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice, this list
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// of conditions and the following disclaimer in the documentation and/or other
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// materials provided with the distribution.
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//
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// 3. Neither the name of the copyright holder nor the names of its contributors may be
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// used to endorse or promote products derived from this software without specific
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// prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers
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#pragma once
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#include <cstdint>
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#include <system_error>
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namespace CryptoNote {
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class INodeObserver {
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public:
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virtual void initCompleted(std::error_code result) {}
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virtual void peerCountUpdated(size_t count) {}
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virtual void lastLocalBlockHeightUpdated(uint64_t height) {}
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virtual void lastKnownBlockHeightUpdated(uint64_t height) {}
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virtual void blockchainReorganized(uint64_t height) {}
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};
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class INode {
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public:
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virtual ~INode() = 0;
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virtual void addObserver(INodeObserver* observer) = 0;
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virtual void removeObserver(INodeObserver* observer) = 0;
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virtual void init() = 0;
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virtual void shutdown() = 0;
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virtual size_t getPeerCount() = 0;
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virtual uint64_t getLastLocalBlockHeight() = 0;
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virtual uint64_t getLastKnownBlockHeight() = 0;
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};
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}
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