poseidon2.hpp

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#pragma once
 
#include <array>
#include <vector>
 
#include "barretenberg/vm2/common/field.hpp"
#include "barretenberg/vm2/common/memory_types.hpp"
 
namespace bb::avm2::simulation {
 
// Forward declarations
class MemoryInterface;
 
struct Poseidon2Exception : public std::runtime_error {
    Poseidon2Exception(const std::string& message)
        : std::runtime_error("Poseidon2Exception: " + message)
    {}
};
 
class Poseidon2Interface {
  public:
    virtual ~Poseidon2Interface() = default;
    virtual FF hash(const std::vector<FF>& input) = 0;
    virtual std::array<FF, 4> permutation(const std::array<FF, 4>& input) = 0;
    // Overload for opcode execution that takes memory addresses
    virtual void permutation(MemoryInterface& memory, MemoryAddress src_address, MemoryAddress dst_address) = 0;
};
 
} // namespace bb::avm2::simulation