miden-node-store 0.17.2

Miden node's state store component
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//! Returns the latest committed state of an account, with full details for public accounts.

use miden_node_db::sqlite::ReadTx;
use miden_node_proto::domain::account::AccountInfo;
use miden_protocol::account::AccountId;

use crate::db::queries::account_row::account_summary_from_row;
use crate::db::queries::{VALID_FOREVER, select_full_account};
use crate::errors::DatabaseError;

const SQL: &str = include_str!("select_account_summary.sql");

/// Selects the latest committed state of an account by its ID.
///
/// Public accounts store full details. Private accounts store only the summary.
///
/// # Errors
///
/// Returns [`DatabaseError::AccountNotFoundInDb`] if the account does not exist.
pub(crate) fn select_account(
    tx: &ReadTx<'_>,
    account_id: AccountId,
) -> Result<AccountInfo, DatabaseError> {
    let summary = tx
        .query(SQL, &[&account_id, &VALID_FOREVER], account_summary_from_row)?
        .into_iter()
        .next()
        .ok_or(DatabaseError::AccountNotFoundInDb(account_id))?;

    let details = if account_id.is_public() {
        Some(select_full_account(tx, account_id)?)
    } else {
        None
    };

    Ok(AccountInfo { summary, details })
}