pub trait PostgresClient {
fn update_account(
&mut self,
account: DbAccountInfo,
is_startup: bool
) -> Result<(), GeyserPluginError>;
fn update_slot_status(
&mut self,
slot: u64,
parent: Option<u64>,
status: SlotStatus
) -> Result<(), GeyserPluginError>;
fn notify_end_of_startup(&mut self) -> Result<(), GeyserPluginError>;
fn log_transaction(
&mut self,
transaction_log_info: LogTransactionRequest
) -> Result<(), GeyserPluginError>;
fn update_block_metadata(
&mut self,
block_info: UpdateBlockMetadataRequest
) -> Result<(), GeyserPluginError>;
fn join(&mut self) -> Result<()> { ... }
}