Update project structure and build process

libwallet/newop/fee_window.go

@@ -0,0 +1,35 @@
+package newop
+
+import "github.com/muun/libwallet/operation"
+
+// FeeWindow holds a map of target block to fee rate for a given time
+type FeeWindow struct {
+	FastConfTarget   int64
+	MediumConfTarget int64
+	SlowConfTarget   int64
+	TargetedFees     map[uint]float64
+}
+
+func (w *FeeWindow) PutTargetedFees(target int64, feeRateInSatsPerVByte float64) {
+	if w.TargetedFees == nil {
+		w.TargetedFees = make(map[uint]float64)
+	}
+	w.TargetedFees[uint(target)] = feeRateInSatsPerVByte
+}
+
+func (w *FeeWindow) GetTargetedFees(target int64) float64 {
+	if w.TargetedFees == nil {
+		return 0
+	}
+	return w.TargetedFees[uint(target)]
+}
+
+func (w *FeeWindow) nextHighestBlock(feeRate float64) int64 {
+	return int64(w.toInternalType().NextHighestBlock(feeRate))
+}
+
+func (w *FeeWindow) toInternalType() *operation.FeeWindow {
+	return &operation.FeeWindow{
+		TargetedFees: w.TargetedFees,
+	}
+}