Merge bitcoin#25922: wallet: trigger MaybeResendWalletTxs() every minute

5ef8c2c test: fix typo for MaybeResendWalletTxs (stickies-v)
fbba4a1 wallet: trigger MaybeResendWalletTxs() every minute (stickies-v)

Pull request description:

  ResendWalletTransactions() only executes every [12-36h (24h average)](https://github.com/bitcoin/bitcoin/blob/1420547ec30a24fc82ba3ae5ac18374e8e5af5e5/src/wallet/wallet.cpp#L1947). Triggering it every second is excessive, once per minute should be plenty.

  The goal of this PR is to reduce the amount of (unnecessary) schedule executions by ~60x without meaningfully altering transaction rebroadcast logic/assumptions which would require more significant review.

ACKs for top commit:
  achow101:
    ACK 5ef8c2c
  1440000bytes:
    ACK bitcoin@5ef8c2c

Tree-SHA512: 4a077e3579b289c11c347eaa0d3601ef2dbb9fee66ab918d56b4a0c2e08222560a0e6be295297a74831836e001a997ecc143adb0c132faaba96a669dac1cd9e6

Author: achow101

src/wallet/load.cpp

@@ -151,7 +151,7 @@ void StartWallets(WalletContext& context, CScheduler& scheduler)
     if (context.args->GetBoolArg("-flushwallet", DEFAULT_FLUSHWALLET)) {
         scheduler.scheduleEvery([&context] { MaybeCompactWalletDB(context); }, std::chrono::milliseconds{500});
     }
-    scheduler.scheduleEvery([&context] { MaybeResendWalletTxs(context); }, std::chrono::milliseconds{1000});
+    scheduler.scheduleEvery([&context] { MaybeResendWalletTxs(context); }, 1min);
 }
 
 void FlushWallets(WalletContext& context)

test/functional/wallet_resendwallettransactions.py

@@ -29,11 +29,11 @@ def run_test(self):
         self.log.info("Create a new transaction and wait until it's broadcast")
         txid = node.sendtoaddress(node.getnewaddress(), 1)
 
-        # Wallet rebroadcast is first scheduled 1 sec after startup (see
+        # Wallet rebroadcast is first scheduled 1 min sec after startup (see
         # nNextResend in ResendWalletTransactions()). Tell scheduler to call
-        # MaybeResendWalletTxn now to initialize nNextResend before the first
+        # MaybeResendWalletTxs now to initialize nNextResend before the first
         # setmocktime call below.
-        node.mockscheduler(1)
+        node.mockscheduler(60)
 
         # Can take a few seconds due to transaction trickling
         peer_first.wait_for_broadcast([txid])
@@ -60,16 +60,16 @@ def run_test(self):
         twelve_hrs = 12 * 60 * 60
         two_min = 2 * 60
         node.setmocktime(now + twelve_hrs - two_min)
-        node.mockscheduler(1)  # Tell scheduler to call MaybeResendWalletTxn now
+        node.mockscheduler(60)  # Tell scheduler to call MaybeResendWalletTxs now
         assert_equal(int(txid, 16) in peer_second.get_invs(), False)
 
         self.log.info("Bump time & check that transaction is rebroadcast")
         # Transaction should be rebroadcast approximately 24 hours in the future,
         # but can range from 12-36. So bump 36 hours to be sure.
         with node.assert_debug_log(['ResendWalletTransactions: resubmit 1 unconfirmed transactions']):
             node.setmocktime(now + 36 * 60 * 60)
-            # Tell scheduler to call MaybeResendWalletTxn now.
-            node.mockscheduler(1)
+            # Tell scheduler to call MaybeResendWalletTxs now.
+            node.mockscheduler(60)
         # Give some time for trickle to occur
         node.setmocktime(now + 36 * 60 * 60 + 600)
         peer_second.wait_for_broadcast([txid])