Add inactive versionbits dynafed deployment

Author: instagibbs

src/consensus/params.h

@@ -22,6 +22,7 @@ enum DeploymentPos
     DEPLOYMENT_TESTDUMMY,
     DEPLOYMENT_CSV, // Deployment of BIP68, BIP112, and BIP113.
     DEPLOYMENT_SEGWIT, // Deployment of BIP141, BIP143, and BIP147.
+    DEPLOYMENT_DYNA_FED, // Deployment of dynamic federation
     // NOTE: Also add new deployments to VersionBitsDeploymentInfo in versionbits.cpp
     MAX_VERSION_BITS_DEPLOYMENTS
 };

src/validation.cpp

@@ -3371,6 +3371,12 @@ bool IsNullDummyEnabled(const CBlockIndex* pindexPrev, const Consensus::Params&
     return (VersionBitsState(pindexPrev, params, Consensus::DEPLOYMENT_SEGWIT, versionbitscache) == ThresholdState::ACTIVE);
 }
 
+bool IsDynaFedEnabled(const CBlockIndex* pindexPrev, const Consensus::Params& params)
+{
+    LOCK(cs_main);
+    return (VersionBitsState(pindexPrev, params, Consensus::DEPLOYMENT_DYNA_FED, versionbitscache) == ThresholdState::ACTIVE);
+}
+
 // Compute at which vout of the block's coinbase transaction the witness
 // commitment occurs, or -1 if not found.
 static int GetWitnessCommitmentIndex(const CBlock& block)

src/validation.h

@@ -410,6 +410,9 @@ bool IsWitnessEnabled(const CBlockIndex* pindexPrev, const Consensus::Params& pa
 /** Check whether NULLDUMMY (BIP 147) has activated. */
 bool IsNullDummyEnabled(const CBlockIndex* pindexPrev, const Consensus::Params& params);
 
+/** Check whether Dynamic Federation has activated. */
+bool IsDynaFedEnabled(const CBlockIndex* pindexPrev, const Consensus::Params& params);
+
 /** When there are blocks in the active chain with missing data, rewind the chainstate and remove them from the block index */
 bool RewindBlockIndex(const CChainParams& params);