Method ValidationCache

src/validation.cpp:2032–2046

}

ValidationCache::ValidationCache(const size_t script_execution_cache_bytes, const size_t signature_cache_bytes)
    : m_signature_cache{signature_cache_bytes}
{
    // Setup the salted hasher
    uint256 nonce = GetRandHash();
    // We want the nonce to be 64 bytes long to force the hasher to process
    // this chunk, which makes later hash computations more efficient. We
    // just write our 32-byte entropy twice to fill the 64 bytes.
    m_script_execution_cache_hasher.Write(nonce.begin(), 32);
    m_script_execution_cache_hasher.Write(nonce.begin(), 32);

    const auto [num_elems, approx_size_bytes] = m_script_execution_cache.setup_bytes(script_execution_cache_bytes);
    LogInfo("Using %zu MiB out of %zu MiB requested for script execution cache, able to store %zu elements",
              approx_size_bytes >> 20, script_execution_cache_bytes >> 20, num_elems);
}

/**
 * Check whether all of this transaction's input scripts succeed.