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-rw-r--r--src/miner.cpp7
1 files changed, 5 insertions, 2 deletions
diff --git a/src/miner.cpp b/src/miner.cpp
index c32dc26f86..6cd78b5c18 100644
--- a/src/miner.cpp
+++ b/src/miner.cpp
@@ -133,8 +133,11 @@ std::unique_ptr<CBlockTemplate> BlockAssembler::CreateNewBlock(const CScript& sc
// Decide whether to include witness transactions
// This is only needed in case the witness softfork activation is reverted
- // (which would require a very deep reorganization) or when
- // -promiscuousmempoolflags is used.
+ // (which would require a very deep reorganization).
+ // Note that the mempool would accept transactions with witness data before
+ // IsWitnessEnabled, but we would only ever mine blocks after IsWitnessEnabled
+ // unless there is a massive block reorganization with the witness softfork
+ // not activated.
// TODO: replace this with a call to main to assess validity of a mempool
// transaction (which in most cases can be a no-op).
fIncludeWitness = IsWitnessEnabled(pindexPrev, chainparams.GetConsensus()) && fMineWitnessTx;