Line data    Source code

       1             : // Copyright (c) 2020-2022 The Bitcoin Core developers
       2             : // Distributed under the MIT software license, see the accompanying
       3             : // file COPYING or http://www.opensource.org/licenses/mit-license.php.
       4             : 
       5             : #include <deploymentstatus.h>
       6             : 
       7             : #include <consensus/params.h>
       8             : #include <versionbits.h>
       9             : 
      10             : #include <type_traits>
      11             : 
      12             : /* Basic sanity checking for BuriedDeployment/DeploymentPos enums and
      13             :  * ValidDeployment check */
      14             : 
      15             : static_assert(ValidDeployment(Consensus::DEPLOYMENT_TESTDUMMY), "sanity check of DeploymentPos failed (TESTDUMMY not valid)");
      16             : static_assert(!ValidDeployment(Consensus::MAX_VERSION_BITS_DEPLOYMENTS), "sanity check of DeploymentPos failed (MAX value considered valid)");
      17             : static_assert(!ValidDeployment(static_cast<Consensus::BuriedDeployment>(Consensus::DEPLOYMENT_TESTDUMMY)), "sanity check of BuriedDeployment failed (overlaps with DeploymentPos)");
      18             : 
      19             : /* ValidDeployment only checks upper bounds for ensuring validity.
      20             :  * This checks that the lowest possible value or the type is also a
      21             :  * (specific) valid deployment so that lower bounds don't need to be checked.
      22             :  */
      23             : 
      24             : template<typename T, T x>
      25             : static constexpr bool is_minimum()
      26             : {
      27             :     using U = typename std::underlying_type<T>::type;
      28             :     return x == std::numeric_limits<U>::min();
      29             : }
      30             : 
      31             : static_assert(is_minimum<Consensus::BuriedDeployment, Consensus::DEPLOYMENT_HEIGHTINCB>(), "heightincb is not minimum value for BuriedDeployment");
      32             : static_assert(is_minimum<Consensus::DeploymentPos, Consensus::DEPLOYMENT_TESTDUMMY>(), "testdummy is not minimum value for DeploymentPos");