Vendor keycard-go/derivationpath

vendor/github.com/status-im/keycard-go/derivationpath/encoder.go

@@ -0,0 +1,36 @@
+package derivationpath
+
+import (
+	"bytes"
+	"encoding/binary"
+	"fmt"
+	"strings"
+)
+
+func Encode(rawPath []uint32) string {
+	segments := []string{string(tokenMaster)}
+
+	for _, i := range rawPath {
+		suffix := ""
+
+		if i >= hardenedStart {
+			i = i - hardenedStart
+			suffix = string(tokenHardened)
+		}
+
+		segments = append(segments, fmt.Sprintf("%d%s", i, suffix))
+	}
+
+	return strings.Join(segments, string(tokenSeparator))
+}
+
+func EncodeFromBytes(data []byte) (string, error) {
+	buf := bytes.NewBuffer(data)
+	rawPath := make([]uint32, buf.Len()/4)
+	err := binary.Read(buf, binary.BigEndian, &rawPath)
+	if err != nil {
+		return "", err
+	}
+
+	return Encode(rawPath), nil
+}