utils

func ArrayOfBytes ¶

func ArrayOfBytes(i int, b byte) (p []byte)

create an array filled with b ArrayOfBytes(3,0) => [0 0 0]

func BigIntJoin ¶

func BigIntJoin(expectedLen int, bigs ...*big.Int) *big.Int

Join bigInt, and padding it when less than `expectedLen`.

func Bytes2BigInt ¶

func Bytes2BigInt(b []byte) *big.Int

convert bytes array to BigInt

func FitBytesInto ¶

func FitBytesInto(d []byte, i int) []byte

func Map ¶

func Map(f interface{}, vs interface{}) interface{}

Map Example:

numbers := []int{1, 2, 3}
fmt.Println("Square", numbers, f.Map(func(x int) int { return x * x }, numbers))

origin by: https://github.com/izqui/functional

func SplitBig ¶

func SplitBig(b *big.Int, parts int) []*big.Int

Split bigInt into `parts` parts.

func StripByte ¶

func StripByte(d []byte, b byte) []byte

func Timeout ¶

func Timeout(i time.Duration) chan bool