ecc_events.hpp

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#pragma once
 
#include "barretenberg/vm2/common/field.hpp"
#include "barretenberg/vm2/common/memory_types.hpp"
 
namespace bb::avm2::simulation {
 
struct EccException : public std::runtime_error {
    EccException(const std::string& message)
        : std::runtime_error("EccException: " + message)
    {}
};
 
struct EccAddEvent {
    EmbeddedCurvePoint p;
    EmbeddedCurvePoint q;
    EmbeddedCurvePoint result;
};
 
struct EccAddMemoryEvent {
    uint32_t execution_clk;
    uint16_t space_id;
    EmbeddedCurvePoint p;
    EmbeddedCurvePoint q;
    EmbeddedCurvePoint result;
    MemoryAddress dst_address;
};
 
struct ScalarMulIntermediateState {
    /* Accumulated result on this bit of the scalar */
    EmbeddedCurvePoint res;
    /* 2**(bit_idx) * point */
    EmbeddedCurvePoint temp;
    /* current bit of the scalar */
    bool bit;
 
    bool operator==(const ScalarMulIntermediateState& other) const = default;
};
 
struct ScalarMulEvent {
    EmbeddedCurvePoint point;
    FF scalar;
    std::vector<ScalarMulIntermediateState> intermediate_states;
    EmbeddedCurvePoint result;
 
    bool operator==(const ScalarMulEvent& other) const = default;
};
 
} // namespace bb::avm2::simulation