utils

Documentation

Index

• func InitializePriceConverter(typ string) error
• func RandomReward(rates []models.RewardRate) int64
• func ToHuman(i int64) float64
• func ToMachine(f float64) int64

Examples

• InitializePriceConverter
• ToHuman
• ToMachine

Functions

func InitializePriceConverter

func InitializePriceConverter(typ string) error

InitializePriceConverter initialize price converter only once

Example

for _, typ := range []string{"usd", "btc", "unknown"} {
	fmt.Println(InitializePriceConverter(typ))
}

Output:

<nil>
<nil>
converter unknown not exist

func RandomReward

func RandomReward(rates []models.RewardRate) int64

RandomReward generates a random reward with rates given

func ToHuman

func ToHuman(i int64) float64

ToHuman converts to human readable price

Example

InitializePriceConverter("usd")
fmt.Println(humanReadableUSD(10))

InitializePriceConverter("btc")
fmt.Println(ToHuman(100000))

Output:

0.001
0.001

func ToMachine

func ToMachine(f float64) int64

ToMachine converts to what machine want to save in db

Example

InitializePriceConverter("usd")
fmt.Println(ToMachine(0.01))

InitializePriceConverter("btc")
fmt.Println(machineReadableBTC(0.01))

Output:

100
1000000