Function MaxScriptSize

src/script/miniscript.h:284–296

The maximum size of a script depending on the context. */

constexpr uint32_t MAX_TAPSCRIPT_SAT_SIZE{GetSizeOfCompactSize(MAX_STACK_SIZE) + (GetSizeOfCompactSize(MAX_TAPMINISCRIPT_STACK_ELEM_SIZE) + MAX_TAPMINISCRIPT_STACK_ELEM_SIZE) * MAX_STACK_SIZE + GetSizeOfCompactSize(TAPROOT_CONTROL_MAX_SIZE) + TAPROOT_CONTROL_MAX_SIZE};
/** The maximum size of a script depending on the context. */
constexpr uint32_t MaxScriptSize(MiniscriptContext ms_ctx)
{
    if (IsTapscript(ms_ctx)) {
        // Leaf scripts under Tapscript are not explicitly limited in size. They are only implicitly
        // bounded by the maximum standard size of a spending transaction. Let the maximum script
        // size conservatively be small enough such that even a maximum sized witness and a reasonably
        // sized spending transaction can spend an output paying to this script without running into
        // the maximum standard tx size limit.
        constexpr auto max_size{MAX_STANDARD_TX_WEIGHT - TX_BODY_LEEWAY_WEIGHT - MAX_TAPSCRIPT_SAT_SIZE};
        return max_size - GetSizeOfCompactSize(max_size);
    }
    return MAX_STANDARD_P2WSH_SCRIPT_SIZE;
}

//! Helper function for Node::CalcType.
Type ComputeType(Fragment fragment, Type x, Type y, Type z, const std::vector<Type>& sub_types, uint32_t k, size_t data_size, size_t n_subs, size_t n_keys, MiniscriptContext ms_ctx);