Jędrzej Stuczyński
37 lines
1.1 KiB
Rust
37 lines
1.1 KiB
Rust
// Copyright 2022 - Nym Technologies SA <contact@nymtech.net>
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// SPDX-License-Identifier: Apache-2.0
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use crate::models::{StorableIssuedCredential, StoredIssuedCredential};
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use async_trait::async_trait;
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use std::error::Error;
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#[async_trait]
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pub trait Storage: Send + Sync {
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type StorageError: Error;
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async fn insert_issued_credential<'a>(
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&self,
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bandwidth_credential: StorableIssuedCredential<'a>,
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) -> Result<(), Self::StorageError>;
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/// Tries to retrieve one of the stored, unused credentials,
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/// that is also not marked as expired
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async fn get_next_unspent_credential(
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&self,
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) -> Result<Option<StoredIssuedCredential>, Self::StorageError>;
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/// Marks as consumed in the database the specified credential.
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///
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/// # Arguments
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///
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/// * `id`: Id of the credential to be consumed.
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async fn consume_coconut_credential(&self, id: i64) -> Result<(), Self::StorageError>;
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/// Marks the specified credential as expired
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///
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/// # Arguments
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///
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/// * `id`: Id of the credential to mark as expired.
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async fn mark_expired(&self, id: i64) -> Result<(), Self::StorageError>;
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}
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