multi: update to latest fee estimation interface

test_utils.go

@@ -201,12 +201,11 @@ func createTestPeer(notifier chainntnfs.ChainNotifier,
 		return nil, nil, nil, nil, err
 	}
 
-	estimator := &lnwallet.StaticFeeEstimator{FeeRate: 50}
-	feePerVSize, err := estimator.EstimateFeePerVSize(1)
+	estimator := &lnwallet.StaticFeeEstimator{FeePerKW: 12500}
+	feePerKw, err := estimator.EstimateFeePerKW(1)
 	if err != nil {
 		return nil, nil, nil, nil, err
 	}
-	feePerKw := feePerVSize.FeePerKWeight()
 
 	// TODO(roasbeef): need to factor in commit fee?
 	aliceCommit := channeldb.ChannelCommitment{