message: test former key exists
diff: @@ -325,11 +325,11 @@ export default class SettingStorage {
  Constants.DB_PARAMS_MAX_LIMIT);
  if (settings.count > 0) {
  const cryptoSetting = {
  - formerKey: settings.result[0].content.crypto.formerKey,
  + formerKey: settings.result[0].content.crypto.formerKey && settings.result[0].content.crypto.formerKey,
  formerKeyProperties: {
  - blockCypher: settings.result[0].content.crypto.formerKeyProperties?.blockCypher,
  - blockSize: settings.result[0].content.crypto.formerKeyProperties?.blockSize,
  - operationMode: settings.result[0].content.crypto.formerKeyProperties?.operationMode,
  + blockCypher: settings.result[0].content.crypto.formerKeyProperties && settings.result[0].content.crypto.formerKeyProperties?.blockCypher,
  + blockSize: settings.result[0].content.crypto.formerKeyProperties && settings.result[0].content.crypto.formerKeyProperties?.blockSize,
  + operationMode: settings.result[0].content.crypto.formerKeyProperties && settings.result[0].content.crypto.formerKeyProperties?.operationMode,
  },
  key: settings.result[0].content.crypto.key,
  keyProperties: {
  