Initial dract of the common structs

common/fee.go

@@ -0,0 +1,36 @@
+package common
+
+// Fee is a type that represents the percentage of tokens that will be payed in a transaction
+// to incentivaise the materialization of it
+type Fee float64
+
+// RecommendedFee is the recommended fee to pay in USD per transaction set by the coordinator
+// according to the tx type (if the tx requires to create an account and register, only register or he account already esists)
+type RecommendedFee struct {
+	ExistingAccount           float64
+	CreatesAccount            float64
+	CreatesAccountAndRegister float64
+}
+
+// FeeSelector is used to select a percentage from the FeePlan. Max value is 16
+type FeeSelector uint8
+
+// FeePlan represents the fee model, a position in the array indicates the percentage of tokens paid in concept of fee for a transaction
+var FeePlan = [16]float64{
+	0,
+	.001,
+	.002,
+	.005,
+	.01,
+	.02,
+	.05,
+	.1,
+	.2,
+	.5,
+	1,
+	2,
+	5,
+	10,
+	20,
+	50,
+}