Add DifferenceFormatter
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1 changed files with 22 additions and 0 deletions
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@ -25,6 +25,28 @@ public:
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}
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};
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class DifferenceFormatter
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{
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uint64_t m_shift = 0;
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public:
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template<typename Stream, typename I>
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void Ser(Stream& s, I v)
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{
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if (v < m_shift || v >= std::numeric_limits<uint64_t>::max()) throw std::ios_base::failure("differential value overflow");
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WriteCompactSize(s, v - m_shift);
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m_shift = uint64_t(v) + 1;
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}
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template<typename Stream, typename I>
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void Unser(Stream& s, I& v)
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{
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uint64_t n = ReadCompactSize(s);
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m_shift += n;
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if (m_shift < n || m_shift >= std::numeric_limits<uint64_t>::max() || m_shift < std::numeric_limits<I>::min() || m_shift > std::numeric_limits<I>::max()) throw std::ios_base::failure("differential value overflow");
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v = I(m_shift++);
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}
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};
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class BlockTransactionsRequest {
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public:
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// A BlockTransactionsRequest message
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