From af3057ed6536556ceba001ed9a0cc6966c59e7ff Mon Sep 17 00:00:00 2001
From: lateminer <9951982+lateminer@users.noreply.github.com>
Date: Wed, 30 Aug 2023 23:21:37 +0200
Subject: [PATCH] cleanup: Add comments for Blackcoin-related changes in
 <txmempool.cpp/h>

---
 src/txmempool.cpp | 19 +++++++++++++++++++
 src/txmempool.h   | 10 +++++++++-
 2 files changed, 28 insertions(+), 1 deletion(-)

diff --git a/src/txmempool.cpp b/src/txmempool.cpp
index 7a5218486e..a2e22924a6 100644
--- a/src/txmempool.cpp
+++ b/src/txmempool.cpp
@@ -385,13 +385,19 @@ void CTxMemPoolEntry::UpdateAncestorState(int64_t modifySize, CAmount modifyFee,
 
 CTxMemPool::CTxMemPool(const Options& opts)
     : m_check_ratio{opts.check_ratio},
+      // Blackcoin
+      // minerPolicyEstimator{opts.estimator},
       m_max_size_bytes{opts.max_size_bytes},
       m_expiry{opts.expiry},
+      // Blackcoin
+      // m_incremental_relay_feerate{opts.incremental_relay_feerate},
       m_min_relay_feerate{opts.min_relay_feerate},
       m_dust_relay_feerate{opts.dust_relay_feerate},
       m_permit_bare_multisig{opts.permit_bare_multisig},
       m_max_datacarrier_bytes{opts.max_datacarrier_bytes},
       m_require_standard{opts.require_standard},
+      // Blackcoin
+      // m_full_rbf{opts.full_rbf},
       m_limits{opts.limits}
 {
 }
@@ -456,6 +462,12 @@ void CTxMemPool::addUnchecked(const CTxMemPoolEntry &entry, setEntries &setAnces
     nTransactionsUpdated++;
     totalTxSize += entry.GetTxSize();
     m_total_fee += entry.GetFee();
+    // Blackcoin
+    /*
+    if (minerPolicyEstimator) {
+        minerPolicyEstimator->processTransaction(entry, validFeeEstimate);
+    }
+    */
 
     vTxHashes.emplace_back(tx.GetWitnessHash(), newit);
     newit->vTxHashesIdx = vTxHashes.size() - 1;
@@ -509,6 +521,8 @@ void CTxMemPool::removeUnchecked(txiter it, MemPoolRemovalReason reason)
     cachedInnerUsage -= memusage::DynamicUsage(it->GetMemPoolParentsConst()) + memusage::DynamicUsage(it->GetMemPoolChildrenConst());
     mapTx.erase(it);
     nTransactionsUpdated++;
+    // Blackcoin
+    // if (minerPolicyEstimator) {minerPolicyEstimator->removeTx(hash, false);}
 }
 
 // Calculates descendants of entry that are not already in setDescendants, and adds to
@@ -623,7 +637,9 @@ void CTxMemPool::removeForBlock(const std::vector<CTransactionRef>& vtx, unsigne
         if (i != mapTx.end())
             entries.push_back(&*i);
     }
+    // Blackcoin
     // Before the txs in the new block have been removed from the mempool, update policy estimates
+    // if (minerPolicyEstimator) {minerPolicyEstimator->processBlock(nBlockHeight, entries);}
     for (const auto& tx : vtx)
     {
         txiter it = mapTx.find(tx->GetHash());
@@ -636,6 +652,8 @@ void CTxMemPool::removeForBlock(const std::vector<CTransactionRef>& vtx, unsigne
         ClearPrioritisation(tx->GetHash());
     }
     lastRollingFeeUpdate = GetTime();
+    // Blackcoin
+    // blockSinceLastRollingFeeBump = true;
 }
 
 void CTxMemPool::check(const CCoinsViewCache& active_coins_tip, int64_t spendheight) const
@@ -1046,6 +1064,7 @@ void CTxMemPool::trackPackageRemoved(const CFeeRate& rate) {
     AssertLockHeld(cs);
     if (rate.GetFeePerK() > rollingMinimumFeeRate) {
         rollingMinimumFeeRate = rate.GetFeePerK();
+        blockSinceLastRollingFeeBump = false;
     }
 }
 */
diff --git a/src/txmempool.h b/src/txmempool.h
index 35ae96baf6..0d6b5e9bd0 100644
--- a/src/txmempool.h
+++ b/src/txmempool.h
@@ -202,6 +202,9 @@ struct entry_time {};
 struct ancestor_score {};
 struct index_by_wtxid {};
 
+// Blackcoin
+// class CBlockPolicyEstimator;
+
 /**
  * Information about a mempool transaction.
  */
@@ -312,6 +315,8 @@ class CTxMemPool
 protected:
     const int m_check_ratio; //!< Value n means that 1 times in n we check.
     std::atomic<unsigned int> nTransactionsUpdated{0}; //!< Used by getblocktemplate to trigger CreateNewBlock() invocation
+    // Blackcoin
+    // CBlockPolicyEstimator* const minerPolicyEstimator;
 
     uint64_t totalTxSize GUARDED_BY(cs){0};      //!< sum of all mempool tx's virtual sizes. Differs from serialized tx size since witness data is discounted. Defined in BIP 141.
     CAmount m_total_fee GUARDED_BY(cs){0};       //!< sum of all mempool tx's fees (NOT modified fee)
@@ -451,11 +456,15 @@ class CTxMemPool
 
     const int64_t m_max_size_bytes;
     const std::chrono::seconds m_expiry;
+    // Blackcoin
+    // const CFeeRate m_incremental_relay_feerate;
     const CFeeRate m_min_relay_feerate;
     const CFeeRate m_dust_relay_feerate;
     const bool m_permit_bare_multisig;
     const std::optional<unsigned> m_max_datacarrier_bytes;
     const bool m_require_standard;
+    // Blackcoin
+    // const bool m_full_rbf;
 
     const Limits m_limits;
 
@@ -602,7 +611,6 @@ class CTxMemPool
      *  already in it.  */
     void CalculateDescendants(txiter it, setEntries& setDescendants) const EXCLUSIVE_LOCKS_REQUIRED(cs);
 
-
     /** The minimum fee to get into the mempool, which may itself not be enough
      *  for larger-sized transactions.
      *  The m_incremental_relay_feerate policy variable is used to bound the time it