golang go-ethereum contract string to [32]byte

func covertStringByte32(t string) [32]byte {
 var b32 [32]byte
 copy(b32[:], []byte(t))
 return b32
}

func covertStringByte64(t string) [64]byte {
 var b64 [64]byte
 copy(b64[:], []byte(t))
 return b64
}