Bitcoin Core  24.99.0
P2P Digital Currency
deploymentstatus.cpp
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1 // Copyright (c) 2020-2021 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");
static constexpr bool is_minimum()
constexpr bool ValidDeployment(BuriedDeployment dep)
Definition: params.h:29
@ DEPLOYMENT_TESTDUMMY
Definition: params.h:32
@ MAX_VERSION_BITS_DEPLOYMENTS
Definition: params.h:35
BuriedDeployment
A buried deployment is one where the height of the activation has been hardcoded into the client impl...
Definition: params.h:21