Change Details

This is a backport of [[https://github.com/bitcoin/bitcoin/pull/21043 | core#21043]]

This is a backport of [[https://github.com/bitcoin/bitcoin/pull/21043 | core#21043]] Most of the work was already done in D6022. This merges the functional test from that diff into rpc_uptime.py

This is a backport of [[https://github.com/bitcoin/bitcoin/pull/21043 | core#21043]] Most of the work was already done in D6022. This merges the functional test from that diff into rpc_uptime.py