deploymentstatus.cpp raw

   1  // Copyright (c) 2020-present 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 = std::underlying_type_t<T>;
  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");
  33