1package common
 2
 3import "math"
 4
 5// Fee is a type that represents the percentage of tokens that will be paid in a transaction
 6// to incentivaise the materialization of it
 7type Fee float64
 8
 9// RecommendedFee is the recommended fee to pay in USD per transaction set by
10// the coordinator according to the tx type (if the tx requires to create an
11// account and register, only register or he account already esists)
12type RecommendedFee struct {
13	ExistingAccount           float64
14	CreatesAccount            float64
15	CreatesAccountAndRegister float64
16}
17
18// FeeSelector is used to select a percentage from the FeePlan.
19type FeeSelector uint8
20
21// Percentage returns the associated percentage of the FeeSelector
22func (f FeeSelector) Percentage() float64 {
23	if f == 0 {
24		return 0
25		//nolint:gomnd
26	} else if f <= 32 { //nolint:gomnd
27		return math.Pow(10, -24+(float64(f)/2)) //nolint:gomnd
28	} else if f <= 223 { //nolint:gomnd
29		return math.Pow(10, -8+(0.041666666666667*(float64(f)-32))) //nolint:gomnd
30	} else {
31		return math.Pow(10, float64(f)-224) //nolint:gomnd
32	}
33}
34
35// MaxFeePlan is the maximum value of the FeePlan
36const MaxFeePlan = 256
37
38// FeePlan represents the fee model, a position in the array indicates the
39// percentage of tokens paid in concept of fee for a transaction
40var FeePlan = [MaxFeePlan]float64{}