crypto

type PrivateKey interface {
	// Private to public
	Public() []byte
	// private key signature
	Sign([]byte) (*crypto.Signature, error)
	// private key data
	Bytes() []byte
	// key address, depends on network changes
	Address() (address.Address, error)
	// key sign type
	Type() types.SigType
	// key type
	KeyType() types.KeyType
	// map to keyInfo
	ToKeyInfo() *types.KeyInfo
}