fuel-core-relayer 0.16.1

Fuel Relayer
Documentation 
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//! Ports used by the relayer to access the outside world

use async_trait::async_trait;
use fuel_core_storage::Result as StorageResult;
use fuel_core_types::{
    blockchain::primitives::DaBlockHeight,
    entities::message::{
        CheckedMessage,
        Message,
    },
};

/// Manages state related to supported external chains.
#[async_trait]
pub trait RelayerDb: Send + Sync {
    /// Add bridge message to database. Messages are not revertible.
    fn insert_message(
        &mut self,
        message: &CheckedMessage,
    ) -> StorageResult<Option<Message>>;

    /// set finalized da height that represent last block from da layer that got finalized.
    fn set_finalized_da_height(&mut self, block: DaBlockHeight) -> StorageResult<()>;

    /// Assume it is always set as initialization of database.
    fn get_finalized_da_height(&self) -> StorageResult<DaBlockHeight>;
}