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Merge bitcoin/bitcoin#23508: Add getdeploymentinfo RPC

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a380922891 Release notes for getdeploymentinfo rpc (Anthony Towns)
240cad09ba rpc: getdeploymentinfo: include signalling info (Anthony Towns)
376c0c6dae rpc: getdeploymentinfo: include block hash/height (Anthony Towns)
a7469bcd35 rpc: getdeploymentinfo: change stats to always refer to current period (Anthony Towns)
7f15c1841b rpc: getdeploymentinfo: allow specifying a blockhash other than tip (Anthony Towns)
fd826130a0 rpc: move softfork info from getblockchaininfo to getdeploymentinfo (Anthony Towns)

Pull request description:

  The aim of this PR is to improve the ability to monitor soft fork status. It first moves the softfork section from getblockchaininfo into a new RPC named getdeploymentinfo, which is then also able to query the status of forks at an arbitrary block rather than only at the tip. In addition, bip9 status is changed to indicate the status of the given block, rather than just for the next block, and an additional field is included to indicate whether each block in the signalling period signaled.

ACKs for top commit:
  laanwj:
    Code review and lightly tested ACK a380922891
  Sjors:
    tACK a380922891
  fjahr:
    tACK a380922891

Tree-SHA512: 7417d733b47629f229c5128586569909250481a3e94356c52fe67a03fd42cd81745246e384b98c4115fb61587714c879e4bc3e5f5c74407d9f8f6773472a33cb
This commit is contained in:
MarcoFalke
2022-01-28 08:45:43 +01:00
parent a4f7c41271 a380922891
commit d4e92d8436
11 changed files with 253 additions and 94 deletions
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37
src/versionbits.cpp
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@@ -98,29 +98,38 @@ ThresholdState AbstractThresholdConditionChecker::GetStateFor(const CBlockIndex*
return state;
}
BIP9Stats AbstractThresholdConditionChecker::GetStateStatisticsFor(const CBlockIndex* pindex, const Consensus::Params& params) const
BIP9Stats AbstractThresholdConditionChecker::GetStateStatisticsFor(const CBlockIndex* pindex, const Consensus::Params& params, std::vector<bool>* signalling_blocks) const
{
BIP9Stats stats = {};
stats.period = Period(params);
stats.threshold = Threshold(params);
if (pindex == nullptr)
return stats;
if (pindex == nullptr) return stats;
// Find beginning of period
const CBlockIndex* pindexEndOfPrevPeriod = pindex->GetAncestor(pindex->nHeight - ((pindex->nHeight + 1) % stats.period));
stats.elapsed = pindex->nHeight - pindexEndOfPrevPeriod->nHeight;
int blocks_in_period = 1 + (pindex->nHeight % stats.period);
// Count from current block to beginning of period
int count = 0;
const CBlockIndex* currentIndex = pindex;
while (pindexEndOfPrevPeriod->nHeight != currentIndex->nHeight){
if (Condition(currentIndex, params))
count++;
currentIndex = currentIndex->pprev;
// Reset signalling_blocks
if (signalling_blocks) {
signalling_blocks->assign(blocks_in_period, false);
}
// Count from current block to beginning of period
int elapsed = 0;
int count = 0;
const CBlockIndex* currentIndex = pindex;
do {
++elapsed;
--blocks_in_period;
if (Condition(currentIndex, params)) {
++count;
if (signalling_blocks) signalling_blocks->at(blocks_in_period) = true;
}
currentIndex = currentIndex->pprev;
} while(blocks_in_period > 0);
stats.elapsed = elapsed;
stats.count = count;
stats.possible = (stats.period - stats.threshold ) >= (stats.elapsed - count);
@@ -196,9 +205,9 @@ ThresholdState VersionBitsCache::State(const CBlockIndex* pindexPrev, const Cons
return VersionBitsConditionChecker(pos).GetStateFor(pindexPrev, params, m_caches[pos]);
}
BIP9Stats VersionBitsCache::Statistics(const CBlockIndex* pindexPrev, const Consensus::Params& params, Consensus::DeploymentPos pos)
BIP9Stats VersionBitsCache::Statistics(const CBlockIndex* pindex, const Consensus::Params& params, Consensus::DeploymentPos pos, std::vector<bool>* signalling_blocks)
{
return VersionBitsConditionChecker(pos).GetStateStatisticsFor(pindexPrev, params);
return VersionBitsConditionChecker(pos).GetStateStatisticsFor(pindex, params, signalling_blocks);
}
int VersionBitsCache::StateSinceHeight(const CBlockIndex* pindexPrev, const Consensus::Params& params, Consensus::DeploymentPos pos)