lnd: use a default temporary static fee of 50 sat/byte for BTC

lnd.go

@@ -149,7 +149,7 @@ func lndMain() error {
 	signer := wc
 	bio := wc
 	fundingSigner := wc
-	estimator := lnwallet.StaticFeeEstimator{FeeRate: 250}
+	estimator := lnwallet.StaticFeeEstimator{FeeRate: 50}
 
 	// Create, and start the lnwallet, which handles the core payment
 	// channel logic, and exposes control via proxy state machines.

lnd_test.go

@@ -286,14 +286,17 @@ func assertNumConnections(ctxt context.Context, t *harnessTest,
 // calcStaticFee calculates appropriate fees for commitment transactions.  This
 // function provides a simple way to allow test balance assertions to take fee
 // calculations into account.
+//
 // TODO(bvu): Refactor when dynamic fee estimation is added.
+//
+// TODO(roasbeef): can remove as fee info now exposed in listchannels?
 func calcStaticFee(numHTLCs int) btcutil.Amount {
 	const (
 		commitWeight = btcutil.Amount(724)
 		htlcWeight   = 172
-		feePerByte   = btcutil.Amount(250 * 4)
+		feePerKw     = btcutil.Amount(50/4) * 1000
 	)
-	return feePerByte * (commitWeight +
+	return feePerKw * (commitWeight +
 		btcutil.Amount(htlcWeight*numHTLCs)) / 1000
 }