fix: simplicity activation when dynafed active

Author: delta1

src/validation.cpp

@@ -3704,8 +3704,6 @@ std::vector<unsigned char> GenerateCoinbaseCommitment(CBlock& block, const CBloc
 }
 
 // ELEMENTS
-
-
 static bool ContextualCheckDynaFedHeader(const CBlockHeader& block, BlockValidationState& state, const CChainParams& params, const CBlockIndex* pindexPrev)
 {
     // When not active, it's a NOP
@@ -3721,7 +3719,7 @@ static bool ContextualCheckDynaFedHeader(const CBlockHeader& block, BlockValidat
     }
 
     // Make sure extension bits aren't active, reserved for future HF
-    uint32_t reserved_mask = (1<<23) | (1<<24) | (1<<25) | (1<<26);
+    uint32_t reserved_mask = (1<<23) | (1<<25) | (1<<26); // bit 24 used for Simplicity soft fork
     if ((block.nVersion & reserved_mask) != 0) {
         return state.Invalid(BlockValidationResult::BLOCK_CONSENSUS, "invalid-dyna-fed", "dynamic block header has unknown HF extension bits set");
     }