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// This file is part of the SORA network and Polkaswap app.

// Copyright (c) 2020, 2021, Polka Biome Ltd. All rights reserved.
// SPDX-License-Identifier: BSD-4-Clause

// Redistribution and use in source and binary forms, with or without modification,
// are permitted provided that the following conditions are met:

// Redistributions of source code must retain the above copyright notice, this list
// of conditions and the following disclaimer.
// Redistributions in binary form must reproduce the above copyright notice, this
// list of conditions and the following disclaimer in the documentation and/or other
// materials provided with the distribution.
//
// All advertising materials mentioning features or use of this software must display
// the following acknowledgement: This product includes software developed by Polka Biome
// Ltd., SORA, and Polkaswap.
//
// Neither the name of the Polka Biome Ltd. nor the names of its contributors may be used
// to endorse or promote products derived from this software without specific prior written permission.

// THIS SOFTWARE IS PROVIDED BY Polka Biome Ltd. AS IS AND ANY EXPRESS OR IMPLIED WARRANTIES,
// INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL Polka Biome Ltd. BE LIABLE FOR ANY
// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
// OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
// USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

#![cfg_attr(not(feature = "std"), no_std)]
#![allow(clippy::too_many_arguments)]
#![allow(clippy::unnecessary_mut_passed)]

use codec::Codec;
use sp_std::prelude::*;

sp_api::decl_runtime_apis! {
    pub trait TradingPairAPI<DEXId, TradingPair, AssetId, LiquiditySourceType> where
        DEXId: Codec,
        TradingPair: Codec,
        AssetId: Codec,
        LiquiditySourceType: Codec,
    {
        fn list_enabled_pairs(dex_id: DEXId) -> Vec<TradingPair>;

        fn is_pair_enabled(dex_id: DEXId, base_asset_id: AssetId, target_asset_id: AssetId) -> bool;

        fn list_enabled_sources_for_pair(
            dex_id: DEXId,
            base_asset_id: AssetId,
            target_asset_id: AssetId,
        ) -> Vec<LiquiditySourceType>;

        fn is_source_enabled_for_pair(
            dex_id: DEXId,
            base_asset_id: AssetId,
            target_asset_id: AssetId,
            source_type: LiquiditySourceType,
        ) -> bool;
    }
}