poseidon2_event.hpp

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#pragma once
 
#include <array>
#include <cstdint>
#include <vector>
 
#include "barretenberg/vm2/common/field.hpp"
#include "barretenberg/vm2/common/memory_types.hpp"
 
namespace bb::avm2::simulation {
 
struct Poseidon2HashEvent {
    std::vector<FF> inputs; // This input is padded to a multiple of 3
    std::vector<std::array<FF, 4>> intermediate_states;
    FF output = 0;
};
 
struct Poseidon2PermutationEvent {
    std::array<FF, 4> input = { 0, 0, 0, 0 };
    std::array<FF, 4> output = { 0, 0, 0, 0 };
};
 
struct Poseidon2PermutationMemoryEvent {
    uint16_t space_id = 0;
    uint32_t execution_clk = 0;
    MemoryAddress src_address = 0;
    MemoryAddress dst_address = 0;
    // Need to know the tag value for error handling
    std::array<MemoryValue, 4> input = {
        MemoryValue::from<FF>(0), MemoryValue::from<FF>(0), MemoryValue::from<FF>(0), MemoryValue::from<FF>(0)
    };
    std::array<FF, 4> output = { 0, 0, 0, 0 };
};
 
} // namespace bb::avm2::simulation