miden-node-validator 0.14.9

Miden node's validator component
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25

use diesel::SqliteConnection;
use diesel_migrations::{EmbeddedMigrations, MigrationHarness, embed_migrations};
use miden_node_db::DatabaseError;
use tracing::instrument;

use crate::COMPONENT;

// The rebuild is automatically triggered by `build.rs` as described in
// <https://docs.rs/diesel_migrations/latest/diesel_migrations/macro.embed_migrations.html#automatic-rebuilds>.
pub const MIGRATIONS: EmbeddedMigrations = embed_migrations!("src/db/migrations");

#[instrument(level = "debug", target = COMPONENT, skip_all, err)]
pub fn apply_migrations(conn: &mut SqliteConnection) -> std::result::Result<(), DatabaseError> {
    let migrations = conn.pending_migrations(MIGRATIONS).expect("In memory migrations never fail");
    tracing::info!(target = COMPONENT, "Applying {} migration(s)", migrations.len());

    let Err(e) = conn.run_pending_migrations(MIGRATIONS) else {
        return Ok(());
    };
    tracing::warn!(target = COMPONENT, "Failed to apply migration: {e:?}");
    conn.revert_last_migration(MIGRATIONS)
        .expect("Duality is maintained by the developer");

    Ok(())
}