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cb59af38e7
eb37a9b8e7 Merge sipa/minisketch#87: Avoid copy in self-assign fe6557642e Merge sipa/minisketch#88: build: Add `-Wundef` 8ea298bfa7 Avoid copy in self-assign 978a3d8869 build: Add `-Wundef` 3387044179 Merge sipa/minisketch#86: doc: fix typo in sketch_impl.h 15c2d13b60 doc: fix typo in sketch_impl.h 7be08b8a46 Merge sipa/minisketch#85: Fixes for integer precision loss 00fb4a4d83 Avoid or make integer precision conversion explicit 9d62a4d27c Avoid the need to cast/convert to size_t for vector operations 19e06cc7af Prevent overflows from large capacity/max_elements git-subtree-dir: src/minisketch git-subtree-split: eb37a9b8e79f9e49d73b96a49bf97a96d9eb676c
43 lines
1.4 KiB
C++
43 lines
1.4 KiB
C++
/**********************************************************************
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* Copyright (c) 2018 Pieter Wuille, Greg Maxwell, Gleb Naumenko *
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* Distributed under the MIT software license, see the accompanying *
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* file LICENSE or http://www.opensource.org/licenses/mit-license.php.*
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**********************************************************************/
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#ifndef _MINISKETCH_STATE_H_
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#define _MINISKETCH_STATE_H_
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#include <stdint.h>
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#include <stdlib.h>
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/** Abstract class for internal representation of a minisketch object. */
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class Sketch
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{
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uint64_t m_canary;
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const int m_implementation;
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const int m_bits;
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public:
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Sketch(int implementation, int bits) : m_implementation(implementation), m_bits(bits) {}
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void Ready() { m_canary = 0x6d496e536b65LU; }
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void Check() const { if (m_canary != 0x6d496e536b65LU) abort(); }
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void UnReady() { m_canary = 1; }
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int Implementation() const { return m_implementation; }
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int Bits() const { return m_bits; }
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virtual ~Sketch() {}
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virtual size_t Syndromes() const = 0;
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virtual void Init(size_t syndromes) = 0;
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virtual void Add(uint64_t element) = 0;
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virtual void Serialize(unsigned char*) const = 0;
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virtual void Deserialize(const unsigned char*) = 0;
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virtual size_t Merge(const Sketch* other_sketch) = 0;
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virtual void SetSeed(uint64_t seed) = 0;
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virtual int Decode(int max_count, uint64_t* roots) const = 0;
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};
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#endif
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