Bill

Better to have native retry, could define the retry times

When connected to the mainnet, it happens: ``` Caused by: java.net.SocketTimeoutException: timeout at okio.Okio$4.newTimeoutException(Okio.java:230) at okio.AsyncTimeout.exit(AsyncTimeout.java:285) at okio.AsyncTimeout$2.read(AsyncTimeout.java:241) at okio.RealBufferedSource.indexOf(RealBufferedSource.java:345) at okio.RealBufferedSource.readUtf8LineStrict(RealBufferedSource.java:217) at okhttp3.internal.http1.Http1Codec.readHeaderLine(Http1Codec.java:212) at okhttp3.internal.http1.Http1Codec.readResponseHeaders(Http1Codec.java:189) at okhttp3.internal.http.CallServerInterceptor.intercept(CallServerInterceptor.java:88) at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:147)...