[bitcoin/bitcoin] RPC: Allow to specify rescan start timestamp for importaddress, importprivkey and importpubkey (#13464)

Yes, if decision is to not merge this, I will just create wrapper scripts for `importmulti` that will allow partial rescan for importing single privkey or address.

> If this is accepted, clients can import multiple addresses by calling import* multiple times, which would incur in unnecessary rescans.

It is already possible with full rescans. This PR just adds option to do partial rescan instead.

> Should have tests.

Will look at tests if this is accepted.

This post was last modified on June 14, 2018, 11:31 am