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67 lines
1.6 KiB
Go
67 lines
1.6 KiB
Go
package ethutil
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import (
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"fmt"
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"math/big"
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"runtime"
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)
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func IsWindows() bool {
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return runtime.GOOS == "windows"
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}
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func WindonizePath(path string) string {
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if string(path[0]) == "/" && IsWindows() {
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path = path[1:]
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}
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return path
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}
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// The different number of units
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var (
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Douglas = BigPow(10, 42)
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Einstein = BigPow(10, 21)
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Ether = BigPow(10, 18)
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Finney = BigPow(10, 15)
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Szabo = BigPow(10, 12)
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Shannon = BigPow(10, 9)
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Babbage = BigPow(10, 6)
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Ada = BigPow(10, 3)
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Wei = big.NewInt(1)
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)
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//
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// Currency to string
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// Returns a string representing a human readable format
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func CurrencyToString(num *big.Int) string {
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switch {
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case num.Cmp(Douglas) >= 0:
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return fmt.Sprintf("%v Douglas", new(big.Int).Div(num, Douglas))
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case num.Cmp(Einstein) >= 0:
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return fmt.Sprintf("%v Einstein", new(big.Int).Div(num, Einstein))
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case num.Cmp(Ether) >= 0:
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return fmt.Sprintf("%v Ether", new(big.Int).Div(num, Ether))
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case num.Cmp(Finney) >= 0:
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return fmt.Sprintf("%v Finney", new(big.Int).Div(num, Finney))
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case num.Cmp(Szabo) >= 0:
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return fmt.Sprintf("%v Szabo", new(big.Int).Div(num, Szabo))
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case num.Cmp(Shannon) >= 0:
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return fmt.Sprintf("%v Shannon", new(big.Int).Div(num, Shannon))
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case num.Cmp(Babbage) >= 0:
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return fmt.Sprintf("%v Babbage", new(big.Int).Div(num, Babbage))
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case num.Cmp(Ada) >= 0:
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return fmt.Sprintf("%v Ada", new(big.Int).Div(num, Ada))
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}
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return fmt.Sprintf("%v Wei", num)
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}
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// Common big integers often used
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var (
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Big1 = big.NewInt(1)
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Big2 = big.NewInt(2)
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Big0 = big.NewInt(0)
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Big32 = big.NewInt(32)
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Big256 = big.NewInt(0xff)
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)
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