linera-sdk 0.15.21

Library to support developing Linera applications in Rust.
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
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44

// Copyright (c) Zefchain Labs, Inc.
// SPDX-License-Identifier: Apache-2.0

//! ABI of the Formats Registry application.
//!
//! See `examples/formats-registry` for the contract and service implementation.

use async_graphql::{Request, Response};
use serde::{Deserialize, Serialize};

use crate::linera_base_types::{AccountOwner, ContractAbi, DataBlobHash, ModuleId, ServiceAbi};

/// The ABI of the formats-registry application.
pub struct FormatsRegistryAbi;

impl ContractAbi for FormatsRegistryAbi {
    type Operation = Operation;
    type Response = ();
}

impl ServiceAbi for FormatsRegistryAbi {
    type Query = Request;
    type QueryResponse = Response;
}

/// Operations accepted by the formats-registry contract.
///
/// This is the minimal interface relied upon by `linera
/// publish-module-with-formats`. A concrete registry implementation (see
/// `examples/formats-registry`) may define its own, richer `Operation` enum with
/// extra admin commands; as long as `Write` stays the first variant with the same
/// fields, its BCS encoding remains compatible with the operation produced here.
#[derive(Debug, Clone, Deserialize, Serialize)]
#[allow(missing_docs)]
pub enum Operation {
    /// Bind the data blob `blob_hash` (holding the BCS formats description) to
    /// `module_id`, on behalf of `owner`. The caller is expected to publish that data
    /// blob in the same block. A given `module_id` may only be written once.
    Write {
        owner: AccountOwner,
        module_id: ModuleId,
        blob_hash: DataBlobHash,
    },
}