moneroexamples

This is monero's lmdb blockchain database error. Number of max readers is 126 by default, and seems you are reaching this number. Found similar issue on monero: https://github.com/monero-project/monero/issues/2741 Solution there...

@margarita-f @troublesomepony Also cant reproduce this issue. For now the issue must stay open, as I'm running out of ideas what could be the reason for that. Hopefully with time...

Thanks for info. I will try to check it on ubuntu 16.04. But for now please note that that there where many changes done in last week in monero, and...

Yes, I made it work with the latest monero. Still some uinit tests fail due to changes, so have to fix that, but haven't had time to do this. So...

Monero started using epee:span (an equivalent of gls::span from [c++ core guidelines)](https://github.com/isocpp/CppCoreGuidelines/blob/master/CppCoreGuidelines.md), so current openmonero master branch will not work with current monero master. But openmonero's devel branch should work...

Control+C handling was added. Now the blockchain's lmdb as well as OM's threads and mysql are closed nicely. Changes are in `devel` branch if you want to check that.

Resolved in https://github.com/moneroexamples/openmonero/pull/130

Please try `devel` branch of OpenMonero with development version (`master` branch) of monero, as shown here: https://github.com/moneroexamples/openmonero/issues/151#issuecomment-494165075

Unfortunately, subaddresses are not yet supported. Their addition is in plans, but there is no time frame for that yet.

Thx. Will check that.