Trait solana_accountsdb_plugin_interface::accountsdb_plugin_interface::AccountsDbPlugin[−][src]

pub trait AccountsDbPlugin: Any + Send + Sync + Debug {
    fn name(&self) -> &'static str;

    fn update_account(
        &mut self, 
        account: ReplicaAccountInfoVersions<'_>, 
        slot: u64, 
        is_startup: bool
    ) -> Result<()>;

    fn notify_end_of_startup(&mut self) -> Result<()>;

    fn update_slot_status(
        &mut self, 
        slot: u64, 
        parent: Option<u64>, 
        status: SlotStatus
    ) -> Result<()>;

    fn on_load(&mut self, _config_file: &str) -> Result<()> { ... }

    fn on_unload(&mut self) { ... }
}
Expand description

Defines an AccountsDb plugin, to stream data from the runtime. AccountsDb plugins must describe desired behavior for load and unload, as well as how they will handle streamed data.

Required methods

Called when an account is updated at a slot. When is_startup is true, it indicates the account is loaded from snapshots when the validator starts up. When is_startup is false, the account is updated during transaction processing.

Called when all accounts are notified of during startup.

Called when a slot status is updated

Provided methods

The callback called when a plugin is loaded by the system, used for doing whatever initialization is required by the plugin. The _config_file contains the name of the of the config file. The config must be in JSON format and include a field “libpath” indicating the full path name of the shared library implementing this interface.

The callback called right before a plugin is unloaded by the system Used for doing cleanup before unload.

Implementors