nodedb-types 0.4.0

// SPDX-License-Identifier: Apache-2.0

use std::fmt;

use serde::{Deserialize, Serialize};

/// Identifies a session transaction block. Keys the per-transaction staging
/// overlay. Unique across concurrent sessions on a shard.
#[derive(
    Debug,
    Clone,
    Copy,
    PartialEq,
    Eq,
    Hash,
    Serialize,
    Deserialize,
    zerompk::ToMessagePack,
    zerompk::FromMessagePack,
    rkyv::Archive,
    rkyv::Serialize,
    rkyv::Deserialize,
)]
pub struct TxnId(u64);

impl TxnId {
    pub const fn new(id: u64) -> Self {
        Self(id)
    }

    pub const fn as_u64(self) -> u64 {
        self.0
    }
}

impl fmt::Display for TxnId {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        write!(f, "txn:{}", self.0)
    }
}