mirror of https://github.com/poanetwork/quorum.git
55 lines
1.4 KiB
Go
55 lines
1.4 KiB
Go
package ethutil
|
|
|
|
import (
|
|
"fmt"
|
|
"math/big"
|
|
)
|
|
|
|
// The different number of units
|
|
var (
|
|
Douglas = BigPow(10, 42)
|
|
Einstein = BigPow(10, 21)
|
|
Ether = BigPow(10, 18)
|
|
Finney = BigPow(10, 15)
|
|
Szabo = BigPow(10, 12)
|
|
Shannon = BigPow(10, 9)
|
|
Babbage = BigPow(10, 6)
|
|
Ada = BigPow(10, 3)
|
|
Wei = big.NewInt(1)
|
|
)
|
|
|
|
//
|
|
// Currency to string
|
|
// Returns a string representing a human readable format
|
|
func CurrencyToString(num *big.Int) string {
|
|
switch {
|
|
case num.Cmp(Douglas) >= 0:
|
|
return fmt.Sprintf("%v Douglas", new(big.Int).Div(num, Douglas))
|
|
case num.Cmp(Einstein) >= 0:
|
|
return fmt.Sprintf("%v Einstein", new(big.Int).Div(num, Einstein))
|
|
case num.Cmp(Ether) >= 0:
|
|
return fmt.Sprintf("%v Ether", new(big.Int).Div(num, Ether))
|
|
case num.Cmp(Finney) >= 0:
|
|
return fmt.Sprintf("%v Finney", new(big.Int).Div(num, Finney))
|
|
case num.Cmp(Szabo) >= 0:
|
|
return fmt.Sprintf("%v Szabo", new(big.Int).Div(num, Szabo))
|
|
case num.Cmp(Shannon) >= 0:
|
|
return fmt.Sprintf("%v Shannon", new(big.Int).Div(num, Shannon))
|
|
case num.Cmp(Babbage) >= 0:
|
|
return fmt.Sprintf("%v Babbage", new(big.Int).Div(num, Babbage))
|
|
case num.Cmp(Ada) >= 0:
|
|
return fmt.Sprintf("%v Ada", new(big.Int).Div(num, Ada))
|
|
}
|
|
|
|
return fmt.Sprintf("%v Wei", num)
|
|
}
|
|
|
|
// Common big integers often used
|
|
var (
|
|
Big1 = big.NewInt(1)
|
|
Big2 = big.NewInt(2)
|
|
Big0 = big.NewInt(0)
|
|
Big32 = big.NewInt(32)
|
|
Big256 = big.NewInt(0xff)
|
|
)
|