RPC: getblockchaininfo: BIP9 stats

add RPC tests for BIP9 counting stats

1 files changed, 10 insertions, 0 deletions

diff --git a/src/versionbits.h b/src/versionbits.h
index 7a929266a..f1d31ea0a 100644
--- a/src/versionbits.h
+++ b/src/versionbits.h
@@ -37,6 +37,14 @@ struct BIP9DeploymentInfo {
     bool gbt_force;
 };
 
+struct BIP9Stats {
+    int period;
+    int threshold;
+    int elapsed;
+    int count;
+    bool possible;
+};
+
 extern const struct BIP9DeploymentInfo VersionBitsDeploymentInfo[];
 
 /**
@@ -51,6 +59,7 @@ protected:
     virtual int Threshold(const Consensus::Params& params) const =0;
 
 public:
+    BIP9Stats GetStateStatisticsFor(const CBlockIndex* pindex, const Consensus::Params& params) const;
     // Note that the functions below take 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;
     int GetStateSinceHeightFor(const CBlockIndex* pindexPrev, const Consensus::Params& params, ThresholdConditionCache& cache) const;
@@ -64,6 +73,7 @@ struct VersionBitsCache
 };
 
 ThresholdState VersionBitsState(const CBlockIndex* pindexPrev, const Consensus::Params& params, Consensus::DeploymentPos pos, VersionBitsCache& cache);
+BIP9Stats VersionBitsStatistics(const CBlockIndex* pindexPrev, const Consensus::Params& params, Consensus::DeploymentPos pos);
 int VersionBitsStateSinceHeight(const CBlockIndex* pindexPrev, const Consensus::Params& params, Consensus::DeploymentPos pos, VersionBitsCache& cache);
 uint32_t VersionBitsMask(const Consensus::Params& params, Consensus::DeploymentPos pos);