Dynamic min-relay-fee and dust amount (#280)

* [btc-embedded] add chainfee.Estimator and extraAPI interfaces

* dynamic fee amount

* dynamic dust amount

* [client] fix linter errors

* [domain] fix unit tests

* [server] return dust amount in GetInfo RPC

* [sdk] fix lnd dependencie

* go work sync

* fix witness stack size forfeit tx size estimator

* remove hardcoded fee values in covenant txbuilder

* lower liquid feerate

* fix after reviews

* go work sync

pkg/client-sdk/wasm/browser/wrappers.go

@@ -306,14 +306,14 @@ func GetUnilateralExitDelayWrapper() js.Func {
 	})
 }
 
-func GetMinRelayFeeWrapper() js.Func {
+func GetDustWrapper() js.Func {
 	return js.FuncOf(func(this js.Value, p []js.Value) interface{} {
 		data, _ := arkSdkClient.GetConfigData(context.Background())
-		var minRelayFee uint64
+		var dust uint64
 		if data != nil {
-			minRelayFee = data.MinRelayFee
+			dust = data.Dust
 		}
-		return js.ValueOf(minRelayFee)
+		return js.ValueOf(dust)
 	})
 }