polynomial_store_cache.hpp

#pragma once
#include "./polynomial_store_wasm.hpp"
#include "barretenberg/polynomials/polynomial.hpp"
#include <map>
#include <string>
 
namespace proof_system {
 
class PolynomialStoreCache {
  private:
    using Polynomial = barretenberg::Polynomial<barretenberg::fr>;
    std::map<std::string, Polynomial> cache_;
    std::multimap<size_t, std::map<std::string, Polynomial>::iterator> size_map_;
    PolynomialStoreWasm<barretenberg::fr> external_store;
    size_t max_cache_size_;
 
  public:
    PolynomialStoreCache();
    explicit PolynomialStoreCache(size_t max_cache_size_);
 
    void put(std::string const& key, Polynomial&& value);
 
    Polynomial get(std::string const& key);
 
  private:
    void purge_until_free();
};
 
} // namespace proof_system