sweep: update storeRecord to include utxo index

In this commit, we complete a recently added feature by ensuring that
even if we go through the RBF loop to create a txn, that we still
populate the `outpointToIndex` map. Unit tests have been updated to
ensure this is always set as expected.

sweep/fee_bumper.go

@@ -454,7 +454,7 @@ func (t *TxPublisher) createRBFCompliantTx(req *BumpRequest,
 		case err == nil:
 			// The tx is valid, return the request ID.
 			requestID := t.storeRecord(
-				sweepCtx.tx, req, f, sweepCtx.fee,
+				sweepCtx.tx, req, f, sweepCtx.fee, sweepCtx.outpointToTxIndex,
 			)
 
 			log.Infof("Created tx %v for %v inputs: feerate=%v, "+
@@ -510,7 +510,8 @@ func (t *TxPublisher) createRBFCompliantTx(req *BumpRequest,
 
 // storeRecord stores the given record in the records map.
 func (t *TxPublisher) storeRecord(tx *wire.MsgTx, req *BumpRequest,
-	f FeeFunction, fee btcutil.Amount) uint64 {
+	f FeeFunction, fee btcutil.Amount,
+	outpointToTxIndex map[wire.OutPoint]int) uint64 {
 
 	// Increase the request counter.
 	//
@@ -520,10 +521,11 @@ func (t *TxPublisher) storeRecord(tx *wire.MsgTx, req *BumpRequest,
 
 	// Register the record.
 	t.records.Store(requestID, &monitorRecord{
-		tx:          tx,
-		req:         req,
-		feeFunction: f,
-		fee:         fee,
+		tx:                tx,
+		req:               req,
+		feeFunction:       f,
+		fee:               fee,
+		outpointToTxIndex: outpointToTxIndex,
 	})
 
 	return requestID

sweep/fee_bumper_test.go

@@ -323,8 +323,16 @@ func TestStoreRecord(t *testing.T) {
 	// Get the current counter and check it's increased later.
 	initialCounter := tp.requestCounter.Load()
 
+	op := wire.OutPoint{
+		Hash:  chainhash.Hash{1},
+		Index: 0,
+	}
+	utxoIndex := map[wire.OutPoint]int{
+		op: 0,
+	}
+
 	// Call the method under test.
-	requestID := tp.storeRecord(tx, req, feeFunc, fee)
+	requestID := tp.storeRecord(tx, req, feeFunc, fee, utxoIndex)
 
 	// Check the request ID is as expected.
 	require.Equal(t, initialCounter+1, requestID)
@@ -336,6 +344,7 @@ func TestStoreRecord(t *testing.T) {
 	require.Equal(t, feeFunc, record.feeFunction)
 	require.Equal(t, fee, record.fee)
 	require.Equal(t, req, record.req)
+	require.Equal(t, utxoIndex, record.outpointToTxIndex)
 }
 
 // mockers wraps a list of mocked interfaces used inside tx publisher.
@@ -665,9 +674,17 @@ func TestTxPublisherBroadcast(t *testing.T) {
 	feerate := chainfee.SatPerKWeight(1000)
 	m.feeFunc.On("FeeRate").Return(feerate)
 
+	op := wire.OutPoint{
+		Hash:  chainhash.Hash{1},
+		Index: 0,
+	}
+	utxoIndex := map[wire.OutPoint]int{
+		op: 0,
+	}
+
 	// Create a testing record and put it in the map.
 	fee := btcutil.Amount(1000)
-	requestID := tp.storeRecord(tx, req, m.feeFunc, fee)
+	requestID := tp.storeRecord(tx, req, m.feeFunc, fee, utxoIndex)
 
 	// Quickly check when the requestID cannot be found, an error is
 	// returned.
@@ -754,6 +771,14 @@ func TestRemoveResult(t *testing.T) {
 	// Create a testing record and put it in the map.
 	fee := btcutil.Amount(1000)
 
+	op := wire.OutPoint{
+		Hash:  chainhash.Hash{1},
+		Index: 0,
+	}
+	utxoIndex := map[wire.OutPoint]int{
+		op: 0,
+	}
+
 	testCases := []struct {
 		name        string
 		setupRecord func() uint64
@@ -765,7 +790,9 @@ func TestRemoveResult(t *testing.T) {
 			// removed.
 			name: "remove on TxConfirmed",
 			setupRecord: func() uint64 {
-				id := tp.storeRecord(tx, req, m.feeFunc, fee)
+				id := tp.storeRecord(
+					tx, req, m.feeFunc, fee, utxoIndex,
+				)
 				tp.subscriberChans.Store(id, nil)
 
 				return id
@@ -780,7 +807,9 @@ func TestRemoveResult(t *testing.T) {
 			// When the tx is failed, the records will be removed.
 			name: "remove on TxFailed",
 			setupRecord: func() uint64 {
-				id := tp.storeRecord(tx, req, m.feeFunc, fee)
+				id := tp.storeRecord(
+					tx, req, m.feeFunc, fee, utxoIndex,
+				)
 				tp.subscriberChans.Store(id, nil)
 
 				return id
@@ -796,7 +825,9 @@ func TestRemoveResult(t *testing.T) {
 			// Noop when the tx is neither confirmed or failed.
 			name: "noop when tx is not confirmed or failed",
 			setupRecord: func() uint64 {
-				id := tp.storeRecord(tx, req, m.feeFunc, fee)
+				id := tp.storeRecord(
+					tx, req, m.feeFunc, fee, utxoIndex,
+				)
 				tp.subscriberChans.Store(id, nil)
 
 				return id
@@ -844,9 +875,17 @@ func TestNotifyResult(t *testing.T) {
 	// Create a test tx.
 	tx := &wire.MsgTx{LockTime: 1}
 
+	op := wire.OutPoint{
+		Hash:  chainhash.Hash{1},
+		Index: 0,
+	}
+	utxoIndex := map[wire.OutPoint]int{
+		op: 0,
+	}
+
 	// Create a testing record and put it in the map.
 	fee := btcutil.Amount(1000)
-	requestID := tp.storeRecord(tx, req, m.feeFunc, fee)
+	requestID := tp.storeRecord(tx, req, m.feeFunc, fee, utxoIndex)
 
 	// Create a subscription to the event.
 	subscriber := make(chan *BumpResult, 1)
@@ -1201,9 +1240,17 @@ func TestHandleTxConfirmed(t *testing.T) {
 	// Create a test tx.
 	tx := &wire.MsgTx{LockTime: 1}
 
+	op := wire.OutPoint{
+		Hash:  chainhash.Hash{1},
+		Index: 0,
+	}
+	utxoIndex := map[wire.OutPoint]int{
+		op: 0,
+	}
+
 	// Create a testing record and put it in the map.
 	fee := btcutil.Amount(1000)
-	requestID := tp.storeRecord(tx, req, m.feeFunc, fee)
+	requestID := tp.storeRecord(tx, req, m.feeFunc, fee, utxoIndex)
 	record, ok := tp.records.Load(requestID)
 	require.True(t, ok)
 
@@ -1273,9 +1320,17 @@ func TestHandleFeeBumpTx(t *testing.T) {
 		tx:          tx,
 	}
 
+	op := wire.OutPoint{
+		Hash:  chainhash.Hash{1},
+		Index: 0,
+	}
+	utxoIndex := map[wire.OutPoint]int{
+		op: 0,
+	}
+
 	// Create a testing record and put it in the map.
 	fee := btcutil.Amount(1000)
-	requestID := tp.storeRecord(tx, req, m.feeFunc, fee)
+	requestID := tp.storeRecord(tx, req, m.feeFunc, fee, utxoIndex)
 
 	// Create a subscription to the event.
 	subscriber := make(chan *BumpResult, 1)