format_hash.hpp

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#pragma once
 
#include <cstddef>
#include <cstdint>
#include <string>
#include <string_view>
#include <vector>
 
#ifdef interface
    #undef interface
#endif
#include <evmc/evmc.hpp>
#ifndef interface
    #define interface __STRUCT__
#endif
 
namespace dcn::chain
{
    struct ScalarHashEntry
    {
        evmc::bytes32 scalar_hash;
        evmc::bytes32 path_hash;
    };
 
    struct ScalarLabel
    {
        std::string scalar;
        evmc::bytes32 path_hash;
        std::uint32_t tail_id;
    };
 
    struct ResolvedScalarEntries
    {
        std::vector<ScalarHashEntry> hash_entries;
        std::vector<ScalarLabel> display_entries;
    };
 
    bool equalBytes32(const evmc::bytes32 & lhs, const evmc::bytes32 & rhs);
 
    bool lessBytes32(const evmc::bytes32 & lhs, const evmc::bytes32 & rhs);
 
    evmc::bytes32 keccakBytes(const std::uint8_t * data, std::size_t size);
 
    evmc::bytes32 keccakString(std::string_view value);
 
    evmc::bytes32 composeFormatHash(const evmc::bytes32 & lhs, const evmc::bytes32 & rhs);
 
    evmc::bytes32 dimPathHash(std::uint32_t dim_id);
 
    evmc::bytes32 concatPathHash(const evmc::bytes32 & left, const evmc::bytes32 & right);
 
    evmc::bytes32 scalarPathLabelHash(const evmc::bytes32 & scalar_hash, const evmc::bytes32 & path_hash);
 
    evmc::bytes32 labelHashToFormatHash(const evmc::bytes32 & label_hash);
 
    evmc::bytes32 computeFormatHashFromLabelHashes(const std::vector<evmc::bytes32> & label_hashes);
 
    evmc::bytes32 computeFormatHash(const std::vector<ScalarHashEntry> & hash_entries);
 
    std::vector<ScalarLabel> canonicalizeScalarLabels(const std::vector<ScalarLabel> & labels);
 
    bool scalarLabelsEqual(const std::vector<ScalarLabel> & lhs, const std::vector<ScalarLabel> & rhs);
}