channeldb: export sequenceNum in MPPayment

Exports sequenceNum in MPPayment for later use
in the rpcserver.

channeldb/duplicate_payments.go

@@ -162,7 +162,7 @@ func fetchDuplicatePayment(bucket kvdb.ReadBucket) (*MPPayment, error) {
 	}
 
 	payment := &MPPayment{
-		sequenceNum:   sequenceNum,
+		SequenceNum:   sequenceNum,
 		Info:          creationInfo,
 		FailureReason: failureReason,
 		Status:        paymentStatus,

channeldb/mp_payment.go

@@ -108,9 +108,9 @@ type HTLCFailInfo struct {
 // have the associated Settle or Fail struct populated if the HTLC is no longer
 // in-flight.
 type MPPayment struct {
-	// sequenceNum is a unique identifier used to sort the payments in
+	// SequenceNum is a unique identifier used to sort the payments in
 	// order of creation.
-	sequenceNum uint64
+	SequenceNum uint64
 
 	// Info holds all static information about this payment, and is
 	// populated when the payment is initiated.

channeldb/payments.go

@@ -246,7 +246,7 @@ func (db *DB) FetchPayments() ([]*MPPayment, error) {
 
 	// Before returning, sort the payments by their sequence number.
 	sort.Slice(payments, func(i, j int) bool {
-		return payments[i].sequenceNum < payments[j].sequenceNum
+		return payments[i].SequenceNum < payments[j].SequenceNum
 	})
 
 	return payments, nil
@@ -334,7 +334,7 @@ func fetchPayment(bucket kvdb.ReadBucket) (*MPPayment, error) {
 	}
 
 	return &MPPayment{
-		sequenceNum:   sequenceNum,
+		SequenceNum:   sequenceNum,
 		Info:          creationInfo,
 		HTLCs:         htlcs,
 		FailureReason: failureReason,