Merge pull request #201 from Bytom/v0.1

[bytom/vapor.git] / vendor / github.com / bytom / crypto / ed25519 / chainkd / serialize.go

diff --git a/vendor/github.com/bytom/crypto/ed25519/chainkd/serialize.go b/vendor/github.com/bytom/crypto/ed25519/chainkd/serialize.go
new file mode 100644 (file)
index 0000000..81b435a
--- /dev/null
+++ b/vendor/github.com/bytom/crypto/ed25519/chainkd/serialize.go
@@ -0,0 +1,60 @@
+package chainkd
+
+import (
+       "encoding/hex"
+       "errors"
+)
+
+const (
+       extendedPublicKeySize  = 64
+       extendedPrivateKeySize = 64
+)
+
+var (
+       ErrBadKeyLen = errors.New("bad key length")
+       ErrBadKeyStr = errors.New("bad key string")
+)
+
+func (xpub XPub) MarshalText() ([]byte, error) {
+       hexBytes := make([]byte, hex.EncodedLen(len(xpub.Bytes())))
+       hex.Encode(hexBytes, xpub.Bytes())
+       return hexBytes, nil
+}
+
+func (xpub XPub) Bytes() []byte {
+       return xpub[:]
+}
+
+func (xprv XPrv) MarshalText() ([]byte, error) {
+       hexBytes := make([]byte, hex.EncodedLen(len(xprv.Bytes())))
+       hex.Encode(hexBytes, xprv.Bytes())
+       return hexBytes, nil
+}
+
+func (xprv XPrv) Bytes() []byte {
+       return xprv[:]
+}
+
+func (xpub *XPub) UnmarshalText(inp []byte) error {
+       if len(inp) != 2*extendedPublicKeySize {
+               return ErrBadKeyStr
+       }
+       _, err := hex.Decode(xpub[:], inp)
+       return err
+}
+
+func (xpub XPub) String() string {
+       return hex.EncodeToString(xpub.Bytes())
+}
+
+func (xprv *XPrv) UnmarshalText(inp []byte) error {
+       if len(inp) != 2*extendedPrivateKeySize {
+               return ErrBadKeyStr
+       }
+       _, err := hex.Decode(xprv[:], inp)
+       return err
+}
+
+func (xprv XPrv) String() string {
+       return hex.EncodeToString(xprv.Bytes())
+}