multi: update to latest fee estimation interface

htlcswitch/test_utils.go

@@ -271,14 +271,11 @@ func createTestChannel(alicePrivKey, bobPrivKey []byte,
 		return nil, nil, nil, nil, err
 	}
 
-	estimator := &lnwallet.StaticFeeEstimator{
-		FeeRate: 24,
-	}
-	feePerVSize, err := estimator.EstimateFeePerVSize(1)
+	estimator := &lnwallet.StaticFeeEstimator{FeePerKW: 6000}
+	feePerKw, err := estimator.EstimateFeePerKW(1)
 	if err != nil {
 		return nil, nil, nil, nil, err
 	}
-	feePerKw := feePerVSize.FeePerKWeight()
 	commitFee := feePerKw.FeeForWeight(724)
 
 	const broadcastHeight = 1
@@ -873,7 +870,7 @@ func newThreeHopNetwork(t testing.TB, aliceChannel, firstBobChannel,
 	carolDecoder := newMockIteratorDecoder()
 
 	feeEstimator := &mockFeeEstimator{
-		byteFeeIn: make(chan lnwallet.SatPerVByte),
+		byteFeeIn: make(chan lnwallet.SatPerKWeight),
 		quit:      make(chan struct{}),
 	}