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-rw-r--r--src/Makefile.am2
-rw-r--r--src/chain.h2
-rw-r--r--src/chainparams.cpp6
-rw-r--r--src/consensus/params.h28
-rw-r--r--src/init.cpp2
-rw-r--r--src/main.cpp80
-rw-r--r--src/main.h5
-rw-r--r--src/miner.cpp11
-rw-r--r--src/primitives/block.h3
-rw-r--r--src/test/miner_tests.cpp33
-rw-r--r--src/versionbits.cpp133
-rw-r--r--src/versionbits.h59
12 files changed, 345 insertions, 19 deletions
diff --git a/src/Makefile.am b/src/Makefile.am
index 4c12e550b4..52316a9fd7 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -163,6 +163,7 @@ BITCOIN_CORE_H = \
utiltime.h \
validationinterface.h \
version.h \
+ versionbits.h \
wallet/crypter.h \
wallet/db.h \
wallet/wallet.h \
@@ -214,6 +215,7 @@ libbitcoin_server_a_SOURCES = \
txdb.cpp \
txmempool.cpp \
validationinterface.cpp \
+ versionbits.cpp \
$(BITCOIN_CORE_H)
if ENABLE_ZMQ
diff --git a/src/chain.h b/src/chain.h
index b9b1b9306f..ae6c4338d6 100644
--- a/src/chain.h
+++ b/src/chain.h
@@ -14,8 +14,6 @@
#include <vector>
-#include <boost/foreach.hpp>
-
struct CDiskBlockPos
{
int nFile;
diff --git a/src/chainparams.cpp b/src/chainparams.cpp
index 9cf99492c9..b911ab3f61 100644
--- a/src/chainparams.cpp
+++ b/src/chainparams.cpp
@@ -81,6 +81,8 @@ public:
consensus.nPowTargetSpacing = 10 * 60;
consensus.fPowAllowMinDifficultyBlocks = false;
consensus.fPowNoRetargeting = false;
+ consensus.nRuleChangeActivationThreshold = 1916; // 95% of 2016
+ consensus.nMinerConfirmationWindow = 2016; // nPowTargetTimespan / nPowTargetSpacing
/**
* The message start string is designed to be unlikely to occur in normal data.
* The characters are rarely used upper ASCII, not valid as UTF-8, and produce
@@ -163,6 +165,8 @@ public:
consensus.nPowTargetSpacing = 10 * 60;
consensus.fPowAllowMinDifficultyBlocks = true;
consensus.fPowNoRetargeting = false;
+ consensus.nRuleChangeActivationThreshold = 1512; // 75% for testchains
+ consensus.nMinerConfirmationWindow = 2016; // nPowTargetTimespan / nPowTargetSpacing
pchMessageStart[0] = 0x0b;
pchMessageStart[1] = 0x11;
pchMessageStart[2] = 0x09;
@@ -227,6 +231,8 @@ public:
consensus.nPowTargetSpacing = 10 * 60;
consensus.fPowAllowMinDifficultyBlocks = true;
consensus.fPowNoRetargeting = true;
+ consensus.nRuleChangeActivationThreshold = 108; // 75% for testchains
+ consensus.nMinerConfirmationWindow = 144; // Faster than normal for regtest (144 instead of 2016)
pchMessageStart[0] = 0xfa;
pchMessageStart[1] = 0xbf;
diff --git a/src/consensus/params.h b/src/consensus/params.h
index 335750fe80..d5039211a3 100644
--- a/src/consensus/params.h
+++ b/src/consensus/params.h
@@ -7,8 +7,28 @@
#define BITCOIN_CONSENSUS_PARAMS_H
#include "uint256.h"
+#include <map>
+#include <string>
namespace Consensus {
+
+enum DeploymentPos
+{
+ MAX_VERSION_BITS_DEPLOYMENTS = 0,
+};
+
+/**
+ * Struct for each individual consensus rule change using BIP9.
+ */
+struct BIP9Deployment {
+ /** Bit position to select the particular bit in nVersion. */
+ int bit;
+ /** Start MedianTime for version bits miner confirmation. Can be a date in the past */
+ int64_t nStartTime;
+ /** Timeout/expiry MedianTime for the deployment attempt. */
+ int64_t nTimeout;
+};
+
/**
* Parameters that influence chain consensus.
*/
@@ -22,6 +42,14 @@ struct Params {
/** Block height and hash at which BIP34 becomes active */
int BIP34Height;
uint256 BIP34Hash;
+ /**
+ * Minimum blocks including miner confirmation of the total of 2016 blocks in a retargetting period,
+ * (nPowTargetTimespan / nPowTargetSpacing) which is also used for BIP9 deployments.
+ * Examples: 1916 for 95%, 1512 for testchains.
+ */
+ uint32_t nRuleChangeActivationThreshold;
+ uint32_t nMinerConfirmationWindow;
+ BIP9Deployment vDeployments[MAX_VERSION_BITS_DEPLOYMENTS];
/** Proof of work parameters */
uint256 powLimit;
bool fPowAllowMinDifficultyBlocks;
diff --git a/src/init.cpp b/src/init.cpp
index 71a9eae861..2b7da4ee8c 100644
--- a/src/init.cpp
+++ b/src/init.cpp
@@ -496,7 +496,7 @@ std::string HelpMessage(HelpMessageMode mode)
strUsage += HelpMessageOpt("-blockmaxsize=<n>", strprintf(_("Set maximum block size in bytes (default: %d)"), DEFAULT_BLOCK_MAX_SIZE));
strUsage += HelpMessageOpt("-blockprioritysize=<n>", strprintf(_("Set maximum size of high-priority/low-fee transactions in bytes (default: %d)"), DEFAULT_BLOCK_PRIORITY_SIZE));
if (showDebug)
- strUsage += HelpMessageOpt("-blockversion=<n>", strprintf("Override block version to test forking scenarios (default: %d)", (int)CBlock::CURRENT_VERSION));
+ strUsage += HelpMessageOpt("-blockversion=<n>", "Override block version to test forking scenarios");
strUsage += HelpMessageGroup(_("RPC server options:"));
strUsage += HelpMessageOpt("-server", _("Accept command line and JSON-RPC commands"));
diff --git a/src/main.cpp b/src/main.cpp
index d6eeceaaf7..542f37876a 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -34,6 +34,7 @@
#include "utilmoneystr.h"
#include "utilstrencodings.h"
#include "validationinterface.h"
+#include "versionbits.h"
#include <sstream>
@@ -2135,6 +2136,51 @@ void PartitionCheck(bool (*initialDownloadCheck)(), CCriticalSection& cs, const
}
}
+// Protected by cs_main
+static VersionBitsCache versionbitscache;
+
+int32_t ComputeBlockVersion(const CBlockIndex* pindexPrev, const Consensus::Params& params)
+{
+ LOCK(cs_main);
+ int32_t nVersion = VERSIONBITS_TOP_BITS;
+
+ for (int i = 0; i < (int)Consensus::MAX_VERSION_BITS_DEPLOYMENTS; i++) {
+ ThresholdState state = VersionBitsState(pindexPrev, params, (Consensus::DeploymentPos)i, versionbitscache);
+ if (state == THRESHOLD_LOCKED_IN || state == THRESHOLD_STARTED) {
+ nVersion |= VersionBitsMask(params, (Consensus::DeploymentPos)i);
+ }
+ }
+
+ return nVersion;
+}
+
+/**
+ * Threshold condition checker that triggers when unknown versionbits are seen on the network.
+ */
+class WarningBitsConditionChecker : public AbstractThresholdConditionChecker
+{
+private:
+ int bit;
+
+public:
+ WarningBitsConditionChecker(int bitIn) : bit(bitIn) {}
+
+ int64_t BeginTime(const Consensus::Params& params) const { return 0; }
+ int64_t EndTime(const Consensus::Params& params) const { return std::numeric_limits<int64_t>::max(); }
+ int Period(const Consensus::Params& params) const { return params.nMinerConfirmationWindow; }
+ int Threshold(const Consensus::Params& params) const { return params.nRuleChangeActivationThreshold; }
+
+ bool Condition(const CBlockIndex* pindex, const Consensus::Params& params) const
+ {
+ return ((pindex->nVersion & VERSIONBITS_TOP_MASK) == VERSIONBITS_TOP_BITS) &&
+ ((pindex->nVersion >> bit) & 1) != 0 &&
+ ((ComputeBlockVersion(pindex->pprev, params) >> bit) & 1) == 0;
+ }
+};
+
+// Protected by cs_main
+static ThresholdConditionCache warningcache[VERSIONBITS_NUM_BITS];
+
static int64_t nTimeCheck = 0;
static int64_t nTimeForks = 0;
static int64_t nTimeVerify = 0;
@@ -2503,24 +2549,42 @@ void static UpdateTip(CBlockIndex *pindexNew) {
// Check the version of the last 100 blocks to see if we need to upgrade:
static bool fWarned = false;
- if (!IsInitialBlockDownload() && !fWarned)
+ if (!IsInitialBlockDownload())
{
int nUpgraded = 0;
const CBlockIndex* pindex = chainActive.Tip();
+ for (int bit = 0; bit < VERSIONBITS_NUM_BITS; bit++) {
+ WarningBitsConditionChecker checker(bit);
+ ThresholdState state = checker.GetStateFor(pindex, chainParams.GetConsensus(), warningcache[bit]);
+ if (state == THRESHOLD_ACTIVE || state == THRESHOLD_LOCKED_IN) {
+ if (state == THRESHOLD_ACTIVE) {
+ strMiscWarning = strprintf(_("Warning: unknown new rules activated (versionbit %i)"), bit);
+ if (!fWarned) {
+ CAlert::Notify(strMiscWarning, true);
+ fWarned = true;
+ }
+ } else {
+ LogPrintf("%s: unknown new rules are about to activate (versionbit %i)\n", __func__, bit);
+ }
+ }
+ }
for (int i = 0; i < 100 && pindex != NULL; i++)
{
- if (pindex->nVersion > CBlock::CURRENT_VERSION)
+ int32_t nExpectedVersion = ComputeBlockVersion(pindex->pprev, chainParams.GetConsensus());
+ if (pindex->nVersion > VERSIONBITS_LAST_OLD_BLOCK_VERSION && (pindex->nVersion & ~nExpectedVersion) != 0)
++nUpgraded;
pindex = pindex->pprev;
}
if (nUpgraded > 0)
- LogPrintf("%s: %d of last 100 blocks above version %d\n", __func__, nUpgraded, (int)CBlock::CURRENT_VERSION);
+ LogPrintf("%s: %d of last 100 blocks have unexpected version\n", __func__, nUpgraded);
if (nUpgraded > 100/2)
{
// strMiscWarning is read by GetWarnings(), called by Qt and the JSON-RPC code to warn the user:
- strMiscWarning = _("Warning: This version is obsolete; upgrade required!");
- CAlert::Notify(strMiscWarning, true);
- fWarned = true;
+ strMiscWarning = _("Warning: Unknown block versions being mined! It's possible unknown rules are in effect");
+ if (!fWarned) {
+ CAlert::Notify(strMiscWarning, true);
+ fWarned = true;
+ }
}
}
}
@@ -3839,6 +3903,10 @@ void UnloadBlockIndex()
setDirtyFileInfo.clear();
mapNodeState.clear();
recentRejects.reset(NULL);
+ versionbitscache.Clear();
+ for (int b = 0; b < VERSIONBITS_NUM_BITS; b++) {
+ warningcache[b].clear();
+ }
BOOST_FOREACH(BlockMap::value_type& entry, mapBlockIndex) {
delete entry.second;
diff --git a/src/main.h b/src/main.h
index 3793f55ba2..8c6a51cacd 100644
--- a/src/main.h
+++ b/src/main.h
@@ -528,6 +528,11 @@ extern CBlockTreeDB *pblocktree;
*/
int GetSpendHeight(const CCoinsViewCache& inputs);
+/**
+ * Determine what nVersion a new block should use.
+ */
+int32_t ComputeBlockVersion(const CBlockIndex* pindexPrev, const Consensus::Params& params);
+
/** Reject codes greater or equal to this can be returned by AcceptToMemPool
* for transactions, to signal internal conditions. They cannot and should not
* be sent over the P2P network.
diff --git a/src/miner.cpp b/src/miner.cpp
index c454c0279c..d095d418fe 100644
--- a/src/miner.cpp
+++ b/src/miner.cpp
@@ -79,11 +79,6 @@ CBlockTemplate* CreateNewBlock(const CChainParams& chainparams, const CScript& s
return NULL;
CBlock *pblock = &pblocktemplate->block; // pointer for convenience
- // -regtest only: allow overriding block.nVersion with
- // -blockversion=N to test forking scenarios
- if (chainparams.MineBlocksOnDemand())
- pblock->nVersion = GetArg("-blockversion", pblock->nVersion);
-
// Create coinbase tx
CMutableTransaction txNew;
txNew.vin.resize(1);
@@ -137,6 +132,12 @@ CBlockTemplate* CreateNewBlock(const CChainParams& chainparams, const CScript& s
pblock->nTime = GetAdjustedTime();
const int64_t nMedianTimePast = pindexPrev->GetMedianTimePast();
+ pblock->nVersion = ComputeBlockVersion(pindexPrev, chainparams.GetConsensus());
+ // -regtest only: allow overriding block.nVersion with
+ // -blockversion=N to test forking scenarios
+ if (chainparams.MineBlocksOnDemand())
+ pblock->nVersion = GetArg("-blockversion", pblock->nVersion);
+
int64_t nLockTimeCutoff = (STANDARD_LOCKTIME_VERIFY_FLAGS & LOCKTIME_MEDIAN_TIME_PAST)
? nMedianTimePast
: pblock->GetBlockTime();
diff --git a/src/primitives/block.h b/src/primitives/block.h
index 0e93399c08..42276b2bc2 100644
--- a/src/primitives/block.h
+++ b/src/primitives/block.h
@@ -21,7 +21,6 @@ class CBlockHeader
{
public:
// header
- static const int32_t CURRENT_VERSION=4;
int32_t nVersion;
uint256 hashPrevBlock;
uint256 hashMerkleRoot;
@@ -49,7 +48,7 @@ public:
void SetNull()
{
- nVersion = CBlockHeader::CURRENT_VERSION;
+ nVersion = 0;
hashPrevBlock.SetNull();
hashMerkleRoot.SetNull();
nTime = 0;
diff --git a/src/test/miner_tests.cpp b/src/test/miner_tests.cpp
index f3297e074d..ab6485081c 100644
--- a/src/test/miner_tests.cpp
+++ b/src/test/miner_tests.cpp
@@ -247,13 +247,40 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
// subsidy changing
int nHeight = chainActive.Height();
- chainActive.Tip()->nHeight = 209999;
+ // Create an actual 209999-long block chain (without valid blocks).
+ while (chainActive.Tip()->nHeight < 209999) {
+ CBlockIndex* prev = chainActive.Tip();
+ CBlockIndex* next = new CBlockIndex();
+ next->phashBlock = new uint256(GetRandHash());
+ pcoinsTip->SetBestBlock(next->GetBlockHash());
+ next->pprev = prev;
+ next->nHeight = prev->nHeight + 1;
+ next->BuildSkip();
+ chainActive.SetTip(next);
+ }
BOOST_CHECK(pblocktemplate = CreateNewBlock(chainparams, scriptPubKey));
delete pblocktemplate;
- chainActive.Tip()->nHeight = 210000;
+ // Extend to a 210000-long block chain.
+ while (chainActive.Tip()->nHeight < 210000) {
+ CBlockIndex* prev = chainActive.Tip();
+ CBlockIndex* next = new CBlockIndex();
+ next->phashBlock = new uint256(GetRandHash());
+ pcoinsTip->SetBestBlock(next->GetBlockHash());
+ next->pprev = prev;
+ next->nHeight = prev->nHeight + 1;
+ next->BuildSkip();
+ chainActive.SetTip(next);
+ }
BOOST_CHECK(pblocktemplate = CreateNewBlock(chainparams, scriptPubKey));
delete pblocktemplate;
- chainActive.Tip()->nHeight = nHeight;
+ // Delete the dummy blocks again.
+ while (chainActive.Tip()->nHeight > nHeight) {
+ CBlockIndex* del = chainActive.Tip();
+ chainActive.SetTip(del->pprev);
+ pcoinsTip->SetBestBlock(del->pprev->GetBlockHash());
+ delete del->phashBlock;
+ delete del;
+ }
// non-final txs in mempool
SetMockTime(chainActive.Tip()->GetMedianTimePast()+1);
diff --git a/src/versionbits.cpp b/src/versionbits.cpp
new file mode 100644
index 0000000000..fbb60c0fc5
--- /dev/null
+++ b/src/versionbits.cpp
@@ -0,0 +1,133 @@
+// Copyright (c) 2016 The Bitcoin Core developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#include "versionbits.h"
+
+ThresholdState AbstractThresholdConditionChecker::GetStateFor(const CBlockIndex* pindexPrev, const Consensus::Params& params, ThresholdConditionCache& cache) const
+{
+ int nPeriod = Period(params);
+ int nThreshold = Threshold(params);
+ int64_t nTimeStart = BeginTime(params);
+ int64_t nTimeTimeout = EndTime(params);
+
+ // A block's state is always the same as that of the first of its period, so it is computed based on a pindexPrev whose height equals a multiple of nPeriod - 1.
+ if (pindexPrev != NULL) {
+ pindexPrev = pindexPrev->GetAncestor(pindexPrev->nHeight - ((pindexPrev->nHeight + 1) % nPeriod));
+ }
+
+ // Walk backwards in steps of nPeriod to find a pindexPrev whose information is known
+ std::vector<const CBlockIndex*> vToCompute;
+ while (cache.count(pindexPrev) == 0) {
+ if (pindexPrev == NULL) {
+ // The genesis block is by definition defined.
+ cache[pindexPrev] = THRESHOLD_DEFINED;
+ break;
+ }
+ if (pindexPrev->GetMedianTimePast() < nTimeStart) {
+ // Optimizaton: don't recompute down further, as we know every earlier block will be before the start time
+ cache[pindexPrev] = THRESHOLD_DEFINED;
+ break;
+ }
+ vToCompute.push_back(pindexPrev);
+ pindexPrev = pindexPrev->GetAncestor(pindexPrev->nHeight - nPeriod);
+ }
+
+ // At this point, cache[pindexPrev] is known
+ assert(cache.count(pindexPrev));
+ ThresholdState state = cache[pindexPrev];
+
+ // Now walk forward and compute the state of descendants of pindexPrev
+ while (!vToCompute.empty()) {
+ ThresholdState stateNext = state;
+ pindexPrev = vToCompute.back();
+ vToCompute.pop_back();
+
+ switch (state) {
+ case THRESHOLD_DEFINED: {
+ if (pindexPrev->GetMedianTimePast() >= nTimeTimeout) {
+ stateNext = THRESHOLD_FAILED;
+ } else if (pindexPrev->GetMedianTimePast() >= nTimeStart) {
+ stateNext = THRESHOLD_STARTED;
+ }
+ break;
+ }
+ case THRESHOLD_STARTED: {
+ if (pindexPrev->GetMedianTimePast() >= nTimeTimeout) {
+ stateNext = THRESHOLD_FAILED;
+ break;
+ }
+ // We need to count
+ const CBlockIndex* pindexCount = pindexPrev;
+ int count = 0;
+ for (int i = 0; i < nPeriod; i++) {
+ if (Condition(pindexCount, params)) {
+ count++;
+ }
+ pindexCount = pindexCount->pprev;
+ }
+ if (count >= nThreshold) {
+ stateNext = THRESHOLD_LOCKED_IN;
+ }
+ break;
+ }
+ case THRESHOLD_LOCKED_IN: {
+ // Always progresses into ACTIVE.
+ stateNext = THRESHOLD_ACTIVE;
+ break;
+ }
+ case THRESHOLD_FAILED:
+ case THRESHOLD_ACTIVE: {
+ // Nothing happens, these are terminal states.
+ break;
+ }
+ }
+ cache[pindexPrev] = state = stateNext;
+ }
+
+ return state;
+}
+
+namespace
+{
+/**
+ * Class to implement versionbits logic.
+ */
+class VersionBitsConditionChecker : public AbstractThresholdConditionChecker {
+private:
+ const Consensus::DeploymentPos id;
+
+protected:
+ int64_t BeginTime(const Consensus::Params& params) const { return params.vDeployments[id].nStartTime; }
+ int64_t EndTime(const Consensus::Params& params) const { return params.vDeployments[id].nTimeout; }
+ int Period(const Consensus::Params& params) const { return params.nMinerConfirmationWindow; }
+ int Threshold(const Consensus::Params& params) const { return params.nRuleChangeActivationThreshold; }
+
+ bool Condition(const CBlockIndex* pindex, const Consensus::Params& params) const
+ {
+ return (((pindex->nVersion & VERSIONBITS_TOP_MASK) == VERSIONBITS_TOP_BITS) && (pindex->nVersion & Mask(params)) != 0);
+ }
+
+public:
+ VersionBitsConditionChecker(Consensus::DeploymentPos id_) : id(id_) {}
+ uint32_t Mask(const Consensus::Params& params) const { return ((uint32_t)1) << params.vDeployments[id].bit; }
+};
+
+}
+
+ThresholdState VersionBitsState(const CBlockIndex* pindexPrev, const Consensus::Params& params, Consensus::DeploymentPos pos, VersionBitsCache& cache)
+{
+ return VersionBitsConditionChecker(pos).GetStateFor(pindexPrev, params, cache.caches[pos]);
+}
+
+uint32_t VersionBitsMask(const Consensus::Params& params, Consensus::DeploymentPos pos)
+{
+ return VersionBitsConditionChecker(pos).Mask(params);
+}
+
+void VersionBitsCache::Clear()
+{
+ for (unsigned int d = 0; d < Consensus::MAX_VERSION_BITS_DEPLOYMENTS; d++) {
+ caches[d].clear();
+ }
+}
diff --git a/src/versionbits.h b/src/versionbits.h
new file mode 100644
index 0000000000..04f4738272
--- /dev/null
+++ b/src/versionbits.h
@@ -0,0 +1,59 @@
+// Copyright (c) 2016 The Bitcoin Core developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#ifndef BITCOIN_CONSENSUS_VERSIONBITS
+#define BITCOIN_CONSENSUS_VERSIONBITS
+
+#include "chain.h"
+#include <map>
+
+/** What block version to use for new blocks (pre versionbits) */
+static const int32_t VERSIONBITS_LAST_OLD_BLOCK_VERSION = 4;
+/** What bits to set in version for versionbits blocks */
+static const int32_t VERSIONBITS_TOP_BITS = 0x20000000UL;
+/** What bitmask determines whether versionbits is in use */
+static const int32_t VERSIONBITS_TOP_MASK = 0xE0000000UL;
+/** Total bits available for versionbits */
+static const int32_t VERSIONBITS_NUM_BITS = 29;
+
+enum ThresholdState {
+ THRESHOLD_DEFINED,
+ THRESHOLD_STARTED,
+ THRESHOLD_LOCKED_IN,
+ THRESHOLD_ACTIVE,
+ THRESHOLD_FAILED,
+};
+
+// A map that gives the state for blocks whose height is a multiple of Period().
+// The map is indexed by the block's parent, however, so all keys in the map
+// will either be NULL or a block with (height + 1) % Period() == 0.
+typedef std::map<const CBlockIndex*, ThresholdState> ThresholdConditionCache;
+
+/**
+ * Abstract class that implements BIP9-style threshold logic, and caches results.
+ */
+class AbstractThresholdConditionChecker {
+protected:
+ virtual bool Condition(const CBlockIndex* pindex, const Consensus::Params& params) const =0;
+ virtual int64_t BeginTime(const Consensus::Params& params) const =0;
+ virtual int64_t EndTime(const Consensus::Params& params) const =0;
+ virtual int Period(const Consensus::Params& params) const =0;
+ virtual int Threshold(const Consensus::Params& params) const =0;
+
+public:
+ // Note that the function below takes a pindexPrev as input: they compute information for block B based on its parent.
+ ThresholdState GetStateFor(const CBlockIndex* pindexPrev, const Consensus::Params& params, ThresholdConditionCache& cache) const;
+};
+
+struct VersionBitsCache
+{
+ ThresholdConditionCache caches[Consensus::MAX_VERSION_BITS_DEPLOYMENTS];
+
+ void Clear();
+};
+
+ThresholdState VersionBitsState(const CBlockIndex* pindexPrev, const Consensus::Params& params, Consensus::DeploymentPos pos, VersionBitsCache& cache);
+uint32_t VersionBitsMask(const Consensus::Params& params, Consensus::DeploymentPos pos);
+
+#endif
generated by cgit v1.2.3 (git 2.26.2) at 2024-11-19 10:17:34 +0000