* Use last_valid_block_height in services and client apps (#19163)
* Add deprecated tag to Bank::get_blockhash_last_valid_slot
* Update SendTransactionService to use last_valid_block_height
* Update solana-tokens to use last_valid_block_height
* Remove dangling file
* Update solana program to use last_valid_block_height
* Update Banks crates to use last_valid_block_height
(cherry picked from commit 5970083b4d)
# Conflicts:
# cli/src/program.rs
* Fix conflict
Co-authored-by: Tyera Eulberg <teulberg@gmail.com>
Co-authored-by: Tyera Eulberg <tyera@solana.com>
* Add optimistically_confirmed field to TransactionStatus
* Update docs
* Convert new field to confirmation_status
* Update docs to confirmationStatus
* Update variants
* Update docs
* Just Confirmed