0g-chain/x/auction/keeper/querier.go
Federico Kunze a573625df8
[R4R] bump SDK version to v0.38.3 (#421)
* bump SDK version to v0.38.3

Co-authored-by: Denali Marsh <denali@kava.io>
Co-authored-by: Kevin Davis <kjydavis3@gmail.com>
Co-authored-by: Kevin Davis <karzak@users.noreply.github.com>
Co-authored-by: denalimarsh <denalimarsh@gmail.com>
Co-authored-by: rhuairahrighairigh <ruaridh.odonnell@gmail.com>
2020-04-23 12:35:58 -04:00

82 lines
2.3 KiB
Go

package keeper
import (
abci "github.com/tendermint/tendermint/abci/types"
"github.com/cosmos/cosmos-sdk/codec"
sdk "github.com/cosmos/cosmos-sdk/types"
sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
"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 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, sdkerrors.Wrapf(sdkerrors.ErrUnknownRequest, "unknown %s query endpoint", types.ModuleName)
}
}
}
func queryAuction(ctx sdk.Context, req abci.RequestQuery, keeper Keeper) ([]byte, error) {
// Decode request
var requestParams types.QueryAuctionParams
err := types.ModuleCdc.UnmarshalJSON(req.Data, &requestParams)
if err != nil {
return nil, sdkerrors.Wrap(sdkerrors.ErrJSONUnmarshal, err.Error())
}
// Lookup auction
auction, found := keeper.GetAuction(ctx, requestParams.AuctionID)
if !found {
return nil, sdkerrors.Wrapf(types.ErrAuctionNotFound, "%d", requestParams.AuctionID)
}
// Encode results
bz, err := codec.MarshalJSONIndent(keeper.cdc, auction)
if err != nil {
return nil, sdkerrors.Wrap(sdkerrors.ErrJSONMarshal, err.Error())
}
return bz, nil
}
func queryAuctions(ctx sdk.Context, req abci.RequestQuery, keeper Keeper) ([]byte, 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, sdkerrors.Wrap(sdkerrors.ErrJSONMarshal, err.Error())
}
return bz, nil
}
// query params in the auction store
func queryGetParams(ctx sdk.Context, req abci.RequestQuery, keeper Keeper) ([]byte, error) {
// Get params
params := keeper.GetParams(ctx)
// Encode results
bz, err := codec.MarshalJSONIndent(keeper.cdc, params)
if err != nil {
return nil, sdkerrors.Wrap(sdkerrors.ErrJSONMarshal, err.Error())
}
return bz, nil
}