* Add last valid block height to rpc Fees (#17506)
* Add last_valid_block_height to fees rpc
* Add getBlockHeight rpc
* Update docs
(cherry picked from commit e9bc1c6b07
)
# Conflicts:
# client/src/rpc_request.rs
# docs/src/developing/clients/jsonrpc-api.md
* Fix conflicts and a-z docs
Co-authored-by: Tyera Eulberg <teulberg@gmail.com>
Co-authored-by: Tyera Eulberg <tyera@solana.com>