sweep: remove dead code and add better logging

chainntnfs/mempool.go

@@ -211,7 +211,7 @@ func (m *MempoolNotifier) findRelevantInputs(tx *btcutil.Tx) (inputsWithTx,
 
 		// If found, save it to watchedInputs to notify the
 		// subscriber later.
-		Log.Infof("Found input %s, spent in %s", op, txid)
+		Log.Debugf("Found input %s, spent in %s", op, txid)
 
 		// Construct the spend details.
 		details := &SpendDetail{

sweep/fee_bumper.go

@@ -972,7 +972,6 @@ func (t *TxPublisher) processRecords() {
 	// For records that are confirmed, we'll notify the caller about this
 	// result.
 	for _, r := range confirmedRecords {
-		log.Debugf("Tx=%v is confirmed", r.tx.TxHash())
 		t.wg.Add(1)
 		go t.handleTxConfirmed(r)
 	}
@@ -982,16 +981,13 @@ func (t *TxPublisher) processRecords() {
 
 	// For records that are not confirmed, we perform a fee bump if needed.
 	for _, r := range feeBumpRecords {
-		log.Debugf("Attempting to fee bump Tx=%v", r.tx.TxHash())
 		t.wg.Add(1)
 		go t.handleFeeBumpTx(r, currentHeight)
 	}
 
 	// For records that are failed, we'll notify the caller about this
 	// result.
 	for _, r := range failedRecords {
-		log.Debugf("Tx=%v has inputs been spent by a third party, "+
-			"failing it now", r.tx.TxHash())
 		t.wg.Add(1)
 		go t.handleThirdPartySpent(r)
 	}
@@ -1004,6 +1000,8 @@ func (t *TxPublisher) processRecords() {
 func (t *TxPublisher) handleTxConfirmed(r *monitorRecord) {
 	defer t.wg.Done()
 
+	log.Debugf("Record %v is spent in tx=%v", r.requestID, r.tx.TxHash())
+
 	// Create a result that will be sent to the resultChan which is
 	// listened by the caller.
 	result := &BumpResult{
@@ -1113,6 +1111,9 @@ func (t *TxPublisher) handleInitialBroadcast(r *monitorRecord) {
 func (t *TxPublisher) handleFeeBumpTx(r *monitorRecord, currentHeight int32) {
 	defer t.wg.Done()
 
+	log.Debugf("Attempting to fee bump tx=%v in record %v", r.tx.TxHash(),
+		r.requestID)
+
 	oldTxid := r.tx.TxHash()
 
 	// Get the current conf target for this record.
@@ -1158,6 +1159,10 @@ func (t *TxPublisher) handleFeeBumpTx(r *monitorRecord, currentHeight int32) {
 func (t *TxPublisher) handleThirdPartySpent(r *monitorRecord) {
 	defer t.wg.Done()
 
+	log.Debugf("Record %v has inputs spent by a tx unknown to the fee "+
+		"bumper, failing it now:\n%v", r.requestID,
+		inputTypeSummary(r.req.Inputs))
+
 	// Create a result that will be sent to the resultChan which is
 	// listened by the caller.
 	result := &BumpResult{
@@ -1272,17 +1277,6 @@ func (t *TxPublisher) createAndPublishTx(
 	return fn.Some(*result)
 }
 
-// isConfirmed checks the btcwallet to see whether the tx is confirmed.
-func (t *TxPublisher) isConfirmed(txid chainhash.Hash) bool {
-	details, err := t.cfg.Wallet.GetTransactionDetails(&txid)
-	if err != nil {
-		log.Warnf("Failed to get tx details for %v: %v", txid, err)
-		return false
-	}
-
-	return details.NumConfirmations > 0
-}
-
 // isThirdPartySpent checks whether the inputs of the tx has already been spent
 // by a third party. When a tx is not confirmed, yet its inputs has been spent,
 // then it must be spent by a different tx other than the sweeping tx here.