Branch data     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");