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versionbits: Move BIP9 status logic for getblocktemplate to versionbits

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Rather than having the RPC code have knowledge about how BIP9 is
implemented, create a reporting function in the versionbits code, and
limit the RPC code to coverting the result of that into the appropriate
output for getblocktemplate.
This commit is contained in:
Anthony Towns
2023-12-09 08:09:36 +10:00
parent b1e967c3ec
commit 1198e7d2fd
3 changed files with 72 additions and 41 deletions
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32
src/versionbits.cpp
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@@ -3,6 +3,7 @@
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include <consensus/params.h>
#include <deploymentinfo.h>
#include <kernel/chainparams.h>
#include <util/check.h>
#include <versionbits.h>
@@ -246,6 +247,37 @@ BIP9Info VersionBitsCache::Info(const CBlockIndex& block_index, const Consensus:
return result;
}
BIP9GBTStatus VersionBitsCache::GBTStatus(const CBlockIndex& block_index, const Consensus::Params& params)
{
BIP9GBTStatus result;
LOCK(m_mutex);
for (int i = 0; i < (int)Consensus::MAX_VERSION_BITS_DEPLOYMENTS; i++) {
auto pos = static_cast<Consensus::DeploymentPos>(i);
VersionBitsConditionChecker checker(params, pos);
ThresholdState state = checker.GetStateFor(&block_index, m_caches[pos]);
const VBDeploymentInfo& vbdepinfo = VersionBitsDeploymentInfo[pos];
BIP9GBTStatus::Info gbtinfo{.bit=params.vDeployments[pos].bit, .mask=checker.Mask(), .gbt_force=vbdepinfo.gbt_force};
switch (state) {
case DEFINED:
case FAILED:
// Not exposed to GBT
break;
case STARTED:
result.signalling.try_emplace(vbdepinfo.name, gbtinfo);
break;
case LOCKED_IN:
result.locked_in.try_emplace(vbdepinfo.name, gbtinfo);
break;
case ACTIVE:
result.active.try_emplace(vbdepinfo.name, gbtinfo);
break;
}
}
return result;
}
ThresholdState VersionBitsCache::State(const CBlockIndex* pindexPrev, const Consensus::Params& params, Consensus::DeploymentPos pos)
{
LOCK(m_mutex);