Pq: duplicate key value violates unique constraint \"used_serials_pkey\" (after upgrade to v0.19.0)

[Dylan]

An explination of this issue can be found here:

Changelog v0.19.5

Let me add a bit explaination about the current network state. With v0.19.0 we introduced a lot of database performance improvement. One of them was batching the order receiver. In our tests the order receiver worked just fine but in production there is a good chance that a storage node is loosing the connection while submitting orders. In the next our the storage node will try to resend the order but the satellite already has it. That was the database error we have seen. The error message its…