expanded logging to session_key.go

lib/common/session_key/session_key.go

@@ -1,6 +1,8 @@
 // Package session_key implements the I2P SessionKey common data structure
 package session_key
 
+import log "github.com/sirupsen/logrus"
+
 /*
 [SessionKey]
 Accurate for version 0.9.49
@@ -22,13 +24,20 @@ type SessionKey [32]byte
 // Returns a list of errors that occurred during parsing.
 func ReadSessionKey(bytes []byte) (info SessionKey, remainder []byte, err error) {
 	// TODO: stub
+	log.Warn("ReadSessionKey is not implemented")
 	return
 }
 
 // NewSessionKey creates a new *SessionKey from []byte using ReadSessionKey.
 // Returns a pointer to SessionKey unlike ReadSessionKey.
 func NewSessionKey(data []byte) (session_key *SessionKey, remainder []byte, err error) {
+	log.WithField("input_length", len(data)).Debug("Creating new SessionKey")
 	sessionKey, remainder, err := ReadSessionKey(data)
+	if err != nil {
+		log.WithError(err).Error("Failed to create new SessionKey")
+		return nil, remainder, err
+	}
 	session_key = &sessionKey
+	log.Debug("Successfully created new SessionKey")
 	return
 }