for _, conf := range testConfigs {
			failOnErr := func(err error) {
				if err != nil {
					logger.Fatal(errSelfTestFailure, "%v: error on self-test [d:%d,p:%d]: %v. Unsafe to start server.\n", algo, conf[0], conf[1], err)
				}
			}
			e, err := NewErasure(context.Background(), int(conf[0]), int(conf[1]), blockSizeV2)
			failOnErr(err)
			encoded, err := e.EncodeData(GlobalContext, testData[:])

Calls are executed in one of two ways:

 * **Synchronous:** your thread blocks until the response is readable.