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@ -43,8 +43,25 @@ namespace rpc
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std::vector<std::uint64_t> distribution;
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std::uint64_t start_height, base;
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if (!f(amount, from_height, to_height, start_height, distribution, base))
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return boost::none;
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// see if we can extend the cache - a common case
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if (d.cached && amount == 0 && d.cached_from == from_height && to_height > d.cached_to)
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{
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std::vector<std::uint64_t> new_distribution;
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if (!f(amount, d.cached_to + 1, to_height, start_height, new_distribution, base))
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return boost::none;
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distribution = d.cached_distribution;
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distribution.reserve(distribution.size() + new_distribution.size());
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for (const auto &e: new_distribution)
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distribution.push_back(e);
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start_height = d.cached_start_height;
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base = d.cached_base;
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}
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else
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{
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if (!f(amount, from_height, to_height, start_height, distribution, base))
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return boost::none;
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}
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if (to_height > 0 && to_height >= from_height)
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{
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