chapp's review

client/asset/dcr/dcr.go

@@ -909,6 +909,9 @@ func (dcr *ExchangeWallet) feeRate(confTarget uint64) (uint64, error) {
 }
 
 func convertFeeToUint(estimatedFeeRate float64) (uint64, error) {
+	if estimatedFeeRate == 0 {
+		return 0, nil
+	}
 	atomsPerKB, err := dcrutil.NewAmount(estimatedFeeRate) // atomsPerKB is 0 when err != nil
 	if err != nil {
 		return 0, err
@@ -955,11 +958,6 @@ func externalFeeEstimator(ctx context.Context, net dex.Network, nb uint64) (floa
 // number of confirmations, but falls back to the suggestion or fallbackFeeRate
 // via feeRateWithFallback.
 func (dcr *ExchangeWallet) targetFeeRateWithFallback(confTarget, feeSuggestion uint64) uint64 {
-	// Fee estimation is not available in SPV mode.
-	if dcr.wallet.SpvMode() {
-		return dcr.feeRateWithFallback(feeSuggestion)
-	}
-
 	feeRate, err := dcr.feeRate(confTarget)
 	if err != nil {
 		dcr.log.Errorf("Failed to get fee rate: %v", err)