From ea1a2d8794ffb6b814e7120fb8ba0cc4aa7ebf3d Mon Sep 17 00:00:00 2001
From: John Newbery <john@johnnewbery.com>
Date: Fri, 22 Mar 2019 14:37:30 -0400
Subject: [PATCH] [wallet] Remove ResendWalletTransactionsBefore

This is only called from ResendWalletTransactions(), so bring it inline.
---
 src/wallet/wallet.cpp | 58 ++++++++++++++++---------------------------
 src/wallet/wallet.h   |  2 --
 2 files changed, 21 insertions(+), 39 deletions(-)

diff --git a/src/wallet/wallet.cpp b/src/wallet/wallet.cpp
index 95756f988ff..e6a9d2c1080 100644
--- a/src/wallet/wallet.cpp
+++ b/src/wallet/wallet.cpp
@@ -2112,53 +2112,37 @@ bool CWalletTx::IsEquivalentTo(const CWalletTx& _tx) const
         return CTransaction(tx1) == CTransaction(tx2);
 }
 
-std::vector<uint256> CWallet::ResendWalletTransactionsBefore(interfaces::Chain::Lock& locked_chain, int64_t nTime)
-{
-    std::vector<uint256> result;
-
-    LOCK(cs_wallet);
-
-    // Sort them in chronological order
-    std::multimap<unsigned int, CWalletTx*> mapSorted;
-    for (std::pair<const uint256, CWalletTx>& item : mapWallet)
-    {
-        CWalletTx& wtx = item.second;
-        // Don't rebroadcast if newer than nTime:
-        if (wtx.nTimeReceived > nTime)
-            continue;
-        mapSorted.insert(std::make_pair(wtx.nTimeReceived, &wtx));
-    }
-    for (const std::pair<const unsigned int, CWalletTx*>& item : mapSorted)
-    {
-        CWalletTx& wtx = *item.second;
-        if (wtx.RelayWalletTransaction(locked_chain)) {
-            result.push_back(wtx.GetHash());
-        }
-    }
-    return result;
-}
-
 void CWallet::ResendWalletTransactions(interfaces::Chain::Lock& locked_chain, int64_t nBestBlockTime)
 {
     // Do this infrequently and randomly to avoid giving away
     // that these are our transactions.
-    if (GetTime() < nNextResend || !fBroadcastTransactions)
-        return;
+    if (GetTime() < nNextResend || !fBroadcastTransactions) return;
     bool fFirst = (nNextResend == 0);
     nNextResend = GetTime() + GetRand(30 * 60);
-    if (fFirst)
-        return;
+    if (fFirst) return;
 
     // Only do it if there's been a new block since last time
-    if (nBestBlockTime < nLastResend)
-        return;
+    if (nBestBlockTime < nLastResend) return;
     nLastResend = GetTime();
 
-    // Rebroadcast unconfirmed txes older than 5 minutes before the last
-    // block was found:
-    std::vector<uint256> relayed = ResendWalletTransactionsBefore(locked_chain, nBestBlockTime-5*60);
-    if (!relayed.empty())
-        WalletLogPrintf("%s: rebroadcast %u unconfirmed transactions\n", __func__, relayed.size());
+    int relayed_tx_count = 0;
+
+    { // cs_wallet scope
+        LOCK(cs_wallet);
+
+        // Relay transactions
+        for (std::pair<const uint256, CWalletTx>& item : mapWallet) {
+            CWalletTx& wtx = item.second;
+            // only rebroadcast unconfirmed txes older than 5 minutes before the
+            // last block was found
+            if (wtx.nTimeReceived > nBestBlockTime - 5 * 60) continue;
+            relayed_tx_count += wtx.RelayWalletTransaction(locked_chain) ? 1 : 0;
+        }
+    } // cs_wallet
+
+    if (relayed_tx_count > 0) {
+        WalletLogPrintf("%s: rebroadcast %u unconfirmed transactions\n", __func__, relayed_tx_count);
+    }
 }
 
 /** @} */ // end of mapWallet
diff --git a/src/wallet/wallet.h b/src/wallet/wallet.h
index 86448efcafb..e000c5122d2 100644
--- a/src/wallet/wallet.h
+++ b/src/wallet/wallet.h
@@ -947,8 +947,6 @@ public:
     void TransactionRemovedFromMempool(const CTransactionRef &ptx) override;
     void ReacceptWalletTransactions();
     void ResendWalletTransactions(interfaces::Chain::Lock& locked_chain, int64_t nBestBlockTime) override;
-    // ResendWalletTransactionsBefore may only be called if fBroadcastTransactions!
-    std::vector<uint256> ResendWalletTransactionsBefore(interfaces::Chain::Lock& locked_chain, int64_t nTime);
     CAmount GetBalance(const isminefilter& filter=ISMINE_SPENDABLE, const int min_depth=0) const;
     CAmount GetUnconfirmedBalance() const;
     CAmount GetImmatureBalance() const;