mirror of https://github.com/poanetwork/quorum.git
89 lines
1.8 KiB
Go
89 lines
1.8 KiB
Go
package ethutil
|
|
|
|
import (
|
|
"fmt"
|
|
"math/big"
|
|
"runtime"
|
|
)
|
|
|
|
func IsWindows() bool {
|
|
return runtime.GOOS == "windows"
|
|
}
|
|
|
|
func WindonizePath(path string) string {
|
|
if string(path[0]) == "/" && IsWindows() {
|
|
path = path[1:]
|
|
}
|
|
return path
|
|
}
|
|
|
|
// 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 {
|
|
var (
|
|
fin *big.Int = num
|
|
denom string = "Wei"
|
|
)
|
|
|
|
switch {
|
|
case num.Cmp(Douglas) >= 0:
|
|
fin = new(big.Int).Div(num, Douglas)
|
|
denom = "Douglas"
|
|
case num.Cmp(Einstein) >= 0:
|
|
fin = new(big.Int).Div(num, Einstein)
|
|
denom = "Einstein"
|
|
case num.Cmp(Ether) >= 0:
|
|
fin = new(big.Int).Div(num, Ether)
|
|
denom = "Ether"
|
|
case num.Cmp(Finney) >= 0:
|
|
fin = new(big.Int).Div(num, Finney)
|
|
denom = "Finney"
|
|
case num.Cmp(Szabo) >= 0:
|
|
fin = new(big.Int).Div(num, Szabo)
|
|
denom = "Szabo"
|
|
case num.Cmp(Shannon) >= 0:
|
|
fin = new(big.Int).Div(num, Shannon)
|
|
denom = "Shannon"
|
|
case num.Cmp(Babbage) >= 0:
|
|
fin = new(big.Int).Div(num, Babbage)
|
|
denom = "Babbage"
|
|
case num.Cmp(Ada) >= 0:
|
|
fin = new(big.Int).Div(num, Ada)
|
|
denom = "Ada"
|
|
}
|
|
|
|
// TODO add comment clarifying expected behavior
|
|
if len(fin.String()) > 5 {
|
|
return fmt.Sprintf("%sE%d %s", fin.String()[0:5], len(fin.String())-5, denom)
|
|
}
|
|
|
|
return fmt.Sprintf("%v %s", fin, denom)
|
|
}
|
|
|
|
// Common big integers often used
|
|
var (
|
|
Big1 = big.NewInt(1)
|
|
Big2 = big.NewInt(2)
|
|
Big3 = big.NewInt(3)
|
|
Big0 = big.NewInt(0)
|
|
BigTrue = Big1
|
|
BigFalse = Big0
|
|
Big32 = big.NewInt(32)
|
|
Big256 = big.NewInt(0xff)
|
|
Big257 = big.NewInt(257)
|
|
)
|