//! Support for obtaining current bids from the auction system.
use casper_hashing::Digest;
use casper_types::system::auction::Bids;

/// Represents a request to obtain current bids in the auction system.
#[derive(Debug, Clone, PartialEq, Eq)]
pub struct GetBidsRequest {
    state_hash: Digest,
}

impl GetBidsRequest {
    /// Creates new request.
    pub fn new(state_hash: Digest) -> Self {
        GetBidsRequest { state_hash }
    }

    /// Returns state root hash.
    pub fn state_hash(&self) -> Digest {
        self.state_hash
    }
}

/// Represents a result of a `get_bids` request.
#[derive(Debug)]
pub enum GetBidsResult {
    /// Invalid state root hash.
    RootNotFound,
    /// Contains current bids returned from the global state.
    Success {
        /// Current bids.
        bids: Bids,
    },
}

impl GetBidsResult {
    /// Returns wrapped [`Bids`] if this represents a successful query result.
    pub fn into_success(self) -> Option<Bids> {
        if let Self::Success { bids } = self {
            Some(bids)
        } else {
            None
        }
    }
}