BlockTip struct created and connected to notifyHeaderTip and notifyBlockTip signals.
This is a backport of Core PR17993 [2/2]
Depends on D9253
ninja && src/qt/bitcoin-qt
Send a transaction, wait for a few block and check that the tx status is correctly updated in the interface.
Reviewers: #bitcoin_abc, majcosta
Reviewed By: #bitcoin_abc, majcosta
Differential Revision: https://reviews.bitcoinabc.org/D9254