From 53a2dd6c911eb36c45a8ce0ddcf494de4b31709b Mon Sep 17 00:00:00 2001
From: Anthony Towns <aj@erisian.com.au>
Date: Sun, 17 Dec 2023 18:44:58 +1000
Subject: [PATCH] versionbits: Expose VersionBitsConditionChecker via impl
 header

---
 src/versionbits.cpp    | 31 -------------------------------
 src/versionbits_impl.h | 26 ++++++++++++++++++++++++++
 2 files changed, 26 insertions(+), 31 deletions(-)

diff --git a/src/versionbits.cpp b/src/versionbits.cpp
index 7192bf1d4c4be..0ed38895c7f0b 100644
--- a/src/versionbits.cpp
+++ b/src/versionbits.cpp
@@ -187,36 +187,6 @@ int AbstractThresholdConditionChecker::GetStateSinceHeightFor(const CBlockIndex*
     return pindexPrev->nHeight + 1;
 }
 
-namespace
-{
-/**
- * Class to implement versionbits logic.
- */
-class VersionBitsConditionChecker : public AbstractThresholdConditionChecker {
-private:
-    const Consensus::BIP9Deployment& dep;
-
-protected:
-    int64_t BeginTime() const override { return dep.nStartTime; }
-    int64_t EndTime() const override { return dep.nTimeout; }
-    int MinActivationHeight() const override { return dep.min_activation_height; }
-    int Period() const override { return dep.period; }
-    int Threshold() const override { return dep.threshold; }
-
-    bool Condition(const CBlockIndex* pindex) const override
-    {
-        return (((pindex->nVersion & VERSIONBITS_TOP_MASK) == VERSIONBITS_TOP_BITS) && (pindex->nVersion & Mask()) != 0);
-    }
-
-public:
-    explicit VersionBitsConditionChecker(const Consensus::BIP9Deployment& dep) : dep{dep} {}
-    explicit VersionBitsConditionChecker(const Consensus::Params& params, Consensus::DeploymentPos id) : VersionBitsConditionChecker{params.vDeployments[id]} {}
-
-    uint32_t Mask() const { return (uint32_t{1}) << dep.bit; }
-};
-
-} // namespace
-
 BIP9Info VersionBitsCache::Info(const CBlockIndex& block_index, const Consensus::Params& params, Consensus::DeploymentPos id)
 {
     BIP9Info result;
@@ -253,7 +223,6 @@ BIP9Info VersionBitsCache::Info(const CBlockIndex& block_index, const Consensus:
     return result;
 }
 
-
 BIP9GBTStatus VersionBitsCache::GBTStatus(const CBlockIndex& block_index, const Consensus::Params& params)
 {
     BIP9GBTStatus result;
diff --git a/src/versionbits_impl.h b/src/versionbits_impl.h
index 16c03ff11437c..92aa8d7c936bd 100644
--- a/src/versionbits_impl.h
+++ b/src/versionbits_impl.h
@@ -52,4 +52,30 @@ class AbstractThresholdConditionChecker {
     int GetStateSinceHeightFor(const CBlockIndex* pindexPrev, ThresholdConditionCache& cache) const;
 };
 
+/**
+ * Class to implement versionbits logic.
+ */
+class VersionBitsConditionChecker : public AbstractThresholdConditionChecker {
+private:
+    const Consensus::BIP9Deployment& dep;
+
+protected:
+    int64_t BeginTime() const override { return dep.nStartTime; }
+    int64_t EndTime() const override { return dep.nTimeout; }
+    int MinActivationHeight() const override { return dep.min_activation_height; }
+    int Period() const override { return dep.period; }
+    int Threshold() const override { return dep.threshold; }
+
+    bool Condition(const CBlockIndex* pindex) const override
+    {
+        return (((pindex->nVersion & VERSIONBITS_TOP_MASK) == VERSIONBITS_TOP_BITS) && (pindex->nVersion & Mask()) != 0);
+    }
+
+public:
+    explicit VersionBitsConditionChecker(const Consensus::BIP9Deployment& dep) : dep{dep} {}
+    explicit VersionBitsConditionChecker(const Consensus::Params& params, Consensus::DeploymentPos id) : VersionBitsConditionChecker{params.vDeployments[id]} {}
+
+    uint32_t Mask() const { return (uint32_t{1}) << dep.bit; }
+};
+
 #endif // BITCOIN_VERSIONBITS_IMPL_H