package keeper import ( "github.com/cosmos/cosmos-sdk/codec" sdk "github.com/cosmos/cosmos-sdk/types" abci "github.com/tendermint/tendermint/abci/types" "github.com/kava-labs/kava/x/pricefeed/types" ) // NewQuerier is the module level router for state queries func NewQuerier(keeper Keeper) sdk.Querier { return func(ctx sdk.Context, path []string, req abci.RequestQuery) (res []byte, err sdk.Error) { switch path[0] { case types.QueryCurrentPrice: return queryCurrentPrice(ctx, path[1:], req, keeper) case types.QueryRawPrices: return queryRawPrices(ctx, path[1:], req, keeper) case types.QueryAssets: return queryAssets(ctx, req, keeper) default: return nil, sdk.ErrUnknownRequest("unknown pricefeed query endpoint") } } } func queryCurrentPrice(ctx sdk.Context, path []string, req abci.RequestQuery, keeper Keeper) (res []byte, err sdk.Error) { marketID := path[0] _, found := keeper.GetMarket(ctx, marketID) if !found { return []byte{}, sdk.ErrUnknownRequest("asset not found") } currentPrice, err := keeper.GetCurrentPrice(ctx, marketID) if err != nil { return nil, err } bz, err2 := codec.MarshalJSONIndent(keeper.cdc, currentPrice) if err2 != nil { panic("could not marshal result to JSON") } return bz, nil } func queryRawPrices(ctx sdk.Context, path []string, req abci.RequestQuery, keeper Keeper) (res []byte, err sdk.Error) { var priceList types.QueryRawPricesResp marketID := path[0] _, found := keeper.GetMarket(ctx, marketID) if !found { return []byte{}, sdk.ErrUnknownRequest("asset not found") } rawPrices := keeper.GetRawPrices(ctx, marketID) for _, price := range rawPrices { priceList = append(priceList, price.String()) } bz, err2 := codec.MarshalJSONIndent(keeper.cdc, priceList) if err2 != nil { panic("could not marshal result to JSON") } return bz, nil } func queryAssets(ctx sdk.Context, req abci.RequestQuery, keeper Keeper) (res []byte, err sdk.Error) { var assetList types.QueryAssetsResp assets := keeper.GetMarketParams(ctx) for _, asset := range assets { assetList = append(assetList, asset.String()) } bz, err2 := codec.MarshalJSONIndent(keeper.cdc, assetList) if err2 != nil { panic("could not marshal result to JSON") } return bz, nil }