69 lines
1.8 KiB
C++
69 lines
1.8 KiB
C++
#pragma once
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#include <fc/fwd.hpp>
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#include <fc/string.hpp>
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#include <fc/reflect.hpp>
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namespace fc {
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class path;
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class sha256 {
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public:
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sha256();
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explicit sha256( const fc::string& hex_str );
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fc::string str()const;
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operator fc::string()const;
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char* data()const;
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static sha256 hash( const char* d, uint32_t dlen );
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static sha256 hash( const fc::string& );
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static sha256 hash( const fc::path& );
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template<typename T>
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static sha256 hash( const T& t ) { sha256::encoder e; e << t; return e.result(); }
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class encoder {
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public:
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encoder();
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~encoder();
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void write( const char* d, uint32_t dlen );
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void put( char c ) { write( &c, 1 ); }
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void reset();
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sha256 result();
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private:
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struct impl;
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fwd<impl,96> my;
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};
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template<typename T>
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inline friend T& operator<<( T& ds, const sha256& ep ) {
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ds.write( ep.data(), sizeof(ep) );
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return ds;
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}
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template<typename T>
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inline friend T& operator>>( T& ds, sha256& ep ) {
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ds.read( ep.data(), sizeof(ep) );
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return ds;
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}
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friend sha256 operator << ( const sha256& h1, uint32_t i );
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friend bool operator == ( const sha256& h1, const sha256& h2 );
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friend bool operator != ( const sha256& h1, const sha256& h2 );
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friend sha256 operator ^ ( const sha256& h1, const sha256& h2 );
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friend bool operator >= ( const sha256& h1, const sha256& h2 );
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friend bool operator > ( const sha256& h1, const sha256& h2 );
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friend bool operator < ( const sha256& h1, const sha256& h2 );
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uint64_t _hash[4];
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};
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class value;
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void pack( fc::value& , const fc::sha256& );
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void unpack( const fc::value& , fc::sha256& );
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}
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