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48 lines
1.1 KiB
48 lines
1.1 KiB
#pragma once
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#include "Common.h"
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#define FAKE_DAGGER 1
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namespace eth
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{
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#if FAKE_DAGGER
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class Dagger
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{
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public:
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static h256 eval(h256 const& _root, u256 const& _nonce) { h256 b = (h256)((u256)_root ^ _nonce); return sha3(bytesConstRef((byte const*)&b, 32)); }
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static bool verify(h256 const& _root, u256 const& _nonce, u256 const& _difficulty) { return (u256)eval(_root, _nonce) > _difficulty; }
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bool mine(u256& o_solution, h256 const& _root, u256 const& _difficulty, uint _msTimeout = 100);
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};
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#else
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/// Functions are not re-entrant. If you want to multi-thread, then use different classes for each thread.
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class Dagger
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{
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public:
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Dagger();
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~Dagger();
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static u256 bound(u256 const& _difficulty);
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static h256 eval(h256 const& _root, u256 const& _nonce);
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static bool verify(h256 const& _root, u256 const& _nonce, u256 const& _difficulty);
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bool mine(u256& o_solution, h256 const& _root, u256 const& _difficulty, uint _msTimeout = 100);
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private:
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static h256 node(h256 const& _root, h256 const& _xn, uint_fast32_t _L, uint_fast32_t _i);
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h256 m_root;
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u256 m_nonce;
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};
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#endif
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}
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