go-ethereum/ethutil/common.go

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2014-02-25 04:20:24 -06:00
package ethutil
import (
"fmt"
"math/big"
)
var (
Ether = BigPow(10, 18)
Finney = BigPow(10, 15)
Szabo = BigPow(10, 12)
Vito = BigPow(10, 9)
Turing = BigPow(10, 6)
Eins = BigPow(10, 3)
Wei = big.NewInt(1)
)
func CurrencyToString(num *big.Int) string {
switch {
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(Vito) >= 0:
return fmt.Sprintf("%v Vito", new(big.Int).Div(num, Vito))
case num.Cmp(Turing) >= 0:
return fmt.Sprintf("%v Turing", new(big.Int).Div(num, Turing))
case num.Cmp(Eins) >= 0:
return fmt.Sprintf("%v Eins", new(big.Int).Div(num, Eins))
}
return fmt.Sprintf("%v Wei", num)
}