testutil

func FillBytes ¶

func FillBytes(prefix string, n int) []byte

FillBytes returns a byte slice with a length of n, containing the prefix and remaining bytes filled with underscores.

func FillBytesZero ¶

func FillBytesZero(prefix string, n int) []byte

FillBytesZero returns a byte slice of length n containing only the prefix.

func FreePort ¶

func FreePort() string

FreePort finds a port that is currently free. TODO: remove use of freeport library.

func MakeSharedKeystones ¶

func MakeSharedKeystones(n int) (map[chainhash.Hash]*hemi.L2KeystoneAbrev, []hemi.L2Keystone)

MakeSharedKeystones creates a matching map and slice of N keystones.

func SHA256 ¶

func SHA256(x []byte) []byte