1 files changed, 13 insertions, 10 deletions
diff --git a/src/validation.cpp b/src/validation.cpp
index 9e3ccac80f..6c60be45a1 100644
--- a/src/validation.cpp
+++ b/src/validation.cpp
@@ -6,6 +6,7 @@
 #include "validation.h"
 
 #include "arith_uint256.h"
+#include "chain.h"
 #include "chainparams.h"
 #include "checkpoints.h"
 #include "checkqueue.h"
@@ -80,7 +81,8 @@ uint256 hashAssumeValid;
 CFeeRate minRelayTxFee = CFeeRate(DEFAULT_MIN_RELAY_TX_FEE);
 CAmount maxTxFee = DEFAULT_TRANSACTION_MAXFEE;
 
-CTxMemPool mempool;
+CBlockPolicyEstimator feeEstimator;
+CTxMemPool mempool(&feeEstimator);
 
 static void CheckBlockIndex(const Consensus::Params& consensusParams);
 
@@ -1524,7 +1526,11 @@ bool ApplyTxInUndo(const CTxInUndo& undo, CCoinsViewCache& view, const COutPoint
     return fClean;
 }
 
-bool DisconnectBlock(const CBlock& block, CValidationState& state, const CBlockIndex* pindex, CCoinsViewCache& view, bool* pfClean)
+/** Undo the effects of this block (with given index) on the UTXO set represented by coins.
+ *  In case pfClean is provided, operation will try to be tolerant about errors, and *pfClean
+ *  will be true if no problems were found. Otherwise, the return value will be false in case
+ *  of problems. Note that in any case, coins may be modified. */
+static bool DisconnectBlock(const CBlock& block, CValidationState& state, const CBlockIndex* pindex, CCoinsViewCache& view, bool* pfClean = NULL)
 {
     assert(pindex->GetBlockHash() == view.GetBestBlock());
 
@@ -1677,8 +1683,11 @@ static int64_t nTimeIndex = 0;
 static int64_t nTimeCallbacks = 0;
 static int64_t nTimeTotal = 0;
 
-bool ConnectBlock(const CBlock& block, CValidationState& state, CBlockIndex* pindex,
-                  CCoinsViewCache& view, const CChainParams& chainparams, bool fJustCheck)
+/** Apply the effects of this block (with given index) on the UTXO set represented by coins.
+ *  Validity checks that depend on the UTXO set are also done; ConnectBlock()
+ *  can fail if those validity checks fail (among other reasons). */
+static bool ConnectBlock(const CBlock& block, CValidationState& state, CBlockIndex* pindex,
+                  CCoinsViewCache& view, const CChainParams& chainparams, bool fJustCheck = false)
 {
     AssertLockHeld(cs_main);
     assert(pindex);
@@ -1917,12 +1926,6 @@ bool ConnectBlock(const CBlock& block, CValidationState& state, CBlockIndex* pin
     int64_t nTime5 = GetTimeMicros(); nTimeIndex += nTime5 - nTime4;
     LogPrint(BCLog::BENCH, "    - Index writing: %.2fms [%.2fs]\n", 0.001 * (nTime5 - nTime4), nTimeIndex * 0.000001);
 
-    // Watch for changes to the previous coinbase transaction.
-    static uint256 hashPrevBestCoinBase;
-    GetMainSignals().UpdatedTransaction(hashPrevBestCoinBase);
-    hashPrevBestCoinBase = block.vtx[0]->GetHash();
-
-
     int64_t nTime6 = GetTimeMicros(); nTimeCallbacks += nTime6 - nTime5;
     LogPrint(BCLog::BENCH, "    - Callbacks: %.2fms [%.2fs]\n", 0.001 * (nTime6 - nTime5), nTimeCallbacks * 0.000001);