sweep: remove unused param Fee

contractcourt/anchor_resolver.go

@@ -99,8 +99,6 @@ func (c *anchorResolver) Resolve(_ bool) (ContractResolver, error) {
 	// After a restart or when the remote force closes, the sweeper is not
 	// yet aware of the anchor. In that case, it will be added as new input
 	// to the sweeper.
-	relayFeeRate := c.Sweeper.RelayFeePerKW()
-
 	witnessType := input.CommitmentAnchor
 
 	// For taproot channels, we need to use the proper witness type.
@@ -116,9 +114,6 @@ func (c *anchorResolver) Resolve(_ bool) (ContractResolver, error) {
 	resultChan, err := c.Sweeper.SweepInput(
 		&anchorInput,
 		sweep.Params{
-			Fee: sweep.FeeEstimateInfo{
-				FeeRate: relayFeeRate,
-			},
 			// For normal anchor sweeping, the budget is 330 sats.
 			Budget: btcutil.Amount(
 				anchorInput.SignDesc().Output.Value,

contractcourt/commit_sweep_resolver_test.go

@@ -1,7 +1,6 @@
 package contractcourt
 
 import (
-	"fmt"
 	"testing"
 	"time"
 
@@ -135,20 +134,6 @@ func (s *mockSweeper) SweepInput(input input.Input, params sweep.Params) (
 
 	s.sweptInputs <- input
 
-	// TODO(yy): replace mockSweeper with `mock.Mock`.
-	if params.Fee != nil {
-		fee, ok := params.Fee.(sweep.FeeEstimateInfo)
-		if !ok {
-			return nil, fmt.Errorf("unexpected fee type: %T",
-				params.Fee)
-		}
-
-		// Update the deadlines used if it's set.
-		if fee.ConfTarget != 0 {
-			s.deadlines = append(s.deadlines, int(fee.ConfTarget))
-		}
-	}
-
 	// Update the deadlines used if it's set.
 	params.DeadlineHeight.WhenSome(func(d int32) {
 		s.deadlines = append(s.deadlines, int(d))