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/auction/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.QueryGetAuction: return queryAuction(ctx, req, keeper) case types.QueryGetAuctions: return queryAuctions(ctx, req, keeper) case types.QueryGetParams: return queryGetParams(ctx, req, keeper) default: return nil, sdk.ErrUnknownRequest("unknown auction query endpoint") } } } func queryAuction(ctx sdk.Context, req abci.RequestQuery, keeper Keeper) ([]byte, sdk.Error) { // Decode request var requestParams types.QueryAuctionParams err := keeper.cdc.UnmarshalJSON(req.Data, &requestParams) if err != nil { return nil, sdk.ErrUnknownRequest(sdk.AppendMsgToErr("incorrectly formatted request data", err.Error())) } // Lookup auction auction, found := keeper.GetAuction(ctx, requestParams.AuctionID) if !found { return nil, types.ErrAuctionNotFound(types.DefaultCodespace, requestParams.AuctionID) } // Encode results bz, err := codec.MarshalJSONIndent(keeper.cdc, auction) if err != nil { return nil, sdk.ErrInternal(sdk.AppendMsgToErr("could not marshal result to JSON", err.Error())) } return bz, nil } func queryAuctions(ctx sdk.Context, req abci.RequestQuery, keeper Keeper) ([]byte, sdk.Error) { // Get all auctions auctionsList := types.Auctions{} keeper.IterateAuctions(ctx, func(a types.Auction) bool { auctionsList = append(auctionsList, a) return false }) // Encode Results bz, err := codec.MarshalJSONIndent(keeper.cdc, auctionsList) if err != nil { return nil, sdk.ErrInternal(sdk.AppendMsgToErr("could not marshal result to JSON", err.Error())) } return bz, nil } // query params in the auction store func queryGetParams(ctx sdk.Context, req abci.RequestQuery, keeper Keeper) ([]byte, sdk.Error) { // Get params params := keeper.GetParams(ctx) // Encode results bz, err := codec.MarshalJSONIndent(keeper.cdc, params) if err != nil { return nil, sdk.ErrInternal(sdk.AppendMsgToErr("could not marshal result to JSON", err.Error())) } return bz, nil }