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#![cfg_attr(not(feature = "std"), no_std)]

use codec::Codec;
use sp_std::vec::Vec;
use sp_std::collections::btree_map::BTreeMap;

use pallet_reactions::{
    ReactionId,
    ReactionKind,
    rpc::FlatReaction,
};
use pallet_utils::PostId;

sp_api::decl_runtime_apis! {
    pub trait ReactionsApi<AccountId, BlockNumber> where
        AccountId: Codec,
        BlockNumber: Codec
    {
        fn get_reactions_by_ids(reaction_ids: Vec<ReactionId>) -> Vec<FlatReaction<AccountId, BlockNumber>>;

        fn get_reactions_by_post_id(
            post_id: PostId,
            limit: u64,
            offset: u64
        ) -> Vec<FlatReaction<AccountId, BlockNumber>>;

        fn get_reaction_kinds_by_post_ids_and_reactor(
            post_ids: Vec<PostId>,
            reactor: AccountId,
        ) -> BTreeMap<PostId, ReactionKind>;
    }
}