// Copyright (C) Moondance Labs Ltd.

// This file is part of Tanssi.

// Tanssi is free software: you can redistribute it and/or modify

// it under the terms of the GNU General Public License as published by

// the Free Software Foundation, either version 3 of the License, or

// (at your option) any later version.

// Tanssi 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 General Public License for more details.

// You should have received a copy of the GNU General Public License

// along with Tanssi.  If not, see <http://www.gnu.org/licenses/>

use crate::{AccountIdOf, AssetIdOf, Config};

use frame_support::pallet_prelude::Weight;

use frame_support::traits::Get;

use parity_scale_codec::{Decode, Encode};

#[derive(Encode, Decode, Clone)]

pub struct OldStream<AccountId, Unit, AssetId, Balance> {

    pub source: AccountId,

    pub target: AccountId,

    pub config: OldStreamConfig<Unit, AssetId, Balance>,

    pub deposit: Balance,

    pub last_time_updated: Balance,

    pub request_nonce: crate::RequestNonce,

    pub pending_request: Option<OldChangeRequest<Unit, AssetId, Balance>>,

    pub opening_deposit: Balance,

}

pub type OldStreamOf<T> =

    OldStream<AccountIdOf<T>, <T as Config>::TimeUnit, AssetIdOf<T>, <T as Config>::Balance>;

#[derive(Encode, Decode, Clone)]

pub struct OldStreamConfig<Unit, AssetId, BalanceOrDuration> {

    /// Unit in which time is measured using a `TimeProvider`.

    pub time_unit: Unit,

    /// Asset used for payment.

    pub asset_id: AssetId,

    /// Amount of asset / unit.

    pub rate: BalanceOrDuration,

}

#[derive(Encode, Decode, Clone)]

pub struct OldChangeRequest<Unit, AssetId, Balance> {

    pub requester: crate::Party,

    pub kind: crate::ChangeKind<Balance>,

    pub new_config: OldStreamConfig<Unit, AssetId, Balance>,

    pub deposit_change: Option<crate::DepositChange<Balance>>,

}

                 requester,

                 kind,

                 new_config:

                     OldStreamConfig {

                         time_unit,

                         asset_id,

                         rate,

                     },

                 deposit_change,