[wallet] Remove unnecessary Chain::Lock parameter from ResendWalletTransactions

Author: jnewbery

src/wallet/wallet.cpp

@@ -2123,7 +2123,7 @@ bool CWalletTx::IsEquivalentTo(const CWalletTx& _tx) const
 // and so is probably just sitting in the mempool waiting to be confirmed.
 // Rebroadcasting does nothing to speed up confirmation and only damages
 // privacy.
-void CWallet::ResendWalletTransactions(interfaces::Chain::Lock& locked_chain)
+void CWallet::ResendWalletTransactions()
 {
     // During reindex, importing and IBD, old wallet transactions become
     // unconfirmed. Don't resend them as that would spam other nodes.
@@ -2142,7 +2142,8 @@ void CWallet::ResendWalletTransactions(interfaces::Chain::Lock& locked_chain)
 
     int relayed_tx_count = 0;
 
-    { // cs_wallet scope
+    { // locked_chain and cs_wallet scope
+        auto locked_chain = chain().lock();
         LOCK(cs_wallet);
 
         // Relay transactions
@@ -2151,9 +2152,9 @@ void CWallet::ResendWalletTransactions(interfaces::Chain::Lock& locked_chain)
             // only rebroadcast unconfirmed txes older than 5 minutes before the
             // last block was found
             if (wtx.nTimeReceived > m_best_block_time - 5 * 60) continue;
-            relayed_tx_count += wtx.RelayWalletTransaction(locked_chain) ? 1 : 0;
+            if (wtx.RelayWalletTransaction(*locked_chain)) ++relayed_tx_count;
         }
-    } // cs_wallet
+    } // locked_chain and cs_wallet
 
     if (relayed_tx_count > 0) {
         WalletLogPrintf("%s: rebroadcast %u unconfirmed transactions\n", __func__, relayed_tx_count);
@@ -2165,8 +2166,7 @@ void CWallet::ResendWalletTransactions(interfaces::Chain::Lock& locked_chain)
 void MaybeResendWalletTxs()
 {
     for (const std::shared_ptr<CWallet>& pwallet : GetWallets()) {
-        auto locked_chain = pwallet->chain().lock();
-        pwallet->ResendWalletTransactions(*locked_chain);
+        pwallet->ResendWalletTransactions();
     }
 }
 

src/wallet/wallet.h

@@ -949,7 +949,7 @@ class CWallet final : public CCryptoKeyStore, private interfaces::Chain::Notific
     ScanResult ScanForWalletTransactions(const uint256& first_block, const uint256& last_block, const WalletRescanReserver& reserver, bool fUpdate);
     void TransactionRemovedFromMempool(const CTransactionRef &ptx) override;
     void ReacceptWalletTransactions(interfaces::Chain::Lock& locked_chain) EXCLUSIVE_LOCKS_REQUIRED(cs_wallet);
-    void ResendWalletTransactions(interfaces::Chain::Lock& locked_chain);
+    void ResendWalletTransactions();
     struct Balance {
         CAmount m_mine_trusted{0};           //!< Trusted, at depth=GetBalance.min_depth or more
         CAmount m_mine_untrusted_pending{0}; //!< Untrusted, but in mempool (pending)