api.rs

// Copyright 2023 Axiom-Team
//
// This file is part of Duniter-v2S.
//
// Duniter-v2S is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, version 3 of the License.
//
// Duniter-v2S is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with Duniter-v2S. If not, see <https://www.gnu.org/licenses/>.

#![allow(clippy::type_complexity)]

use crate::runtime;
use log::debug;

pub type Client = subxt::OnlineClient<crate::RuntimeConfig>;
pub type AccountId = subxt::utils::AccountId32;
pub type IdtyIndex = u32;
pub type EvaluationPool =
    runtime::runtime_types::pallet_distance::types::EvaluationPool<AccountId, IdtyIndex>;
pub type H256 = subxt::utils::H256;

pub async fn client(rpc_url: impl AsRef<str>) -> Client {
    Client::from_insecure_url(rpc_url)
        .await
        .expect("Cannot create RPC client")
}

pub async fn parent_hash(client: &Client) -> H256 {
    client
        .blocks()
        .at_latest()
        .await
        .expect("Cannot fetch latest block hash")
        .hash()
}

pub async fn current_period_index(client: &Client, parent_hash: H256) -> u32 {
    client
        .storage()
        .at(parent_hash)
        .fetch(&runtime::storage().distance().current_period_index())
        .await
        .expect("Cannot fetch current pool index")
        .unwrap_or_default()
}

pub async fn current_pool(
    client: &Client,
    parent_hash: H256,
    current_pool_index: u32,
) -> Option<EvaluationPool> {
    client
        .storage()
        .at(parent_hash)
        .fetch(&match current_pool_index {
            0 => {
                debug!("Looking at Pool1 for pool index {}", current_pool_index);
                runtime::storage().distance().evaluation_pool1()
            }
            1 => {
                debug!("Looking at Pool2 for pool index {}", current_pool_index);
                runtime::storage().distance().evaluation_pool2()
            }