0g-chain/x/auction/keeper/querier.go
Denali Marsh ba80b508ab [R4R] Custom sdk.Error types for the auction module (#285)
* Custom sdk.Error types for the auction module

* Requested changes: naming conventions, error message text
2020-01-15 11:39:55 +01:00

37 lines
1016 B
Go

package keeper
import (
"github.com/cosmos/cosmos-sdk/codec"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/kava-labs/kava/x/auction/types"
abci "github.com/tendermint/tendermint/abci/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 queryAuctions(ctx, req, keeper)
default:
return nil, sdk.ErrUnknownRequest("unknown auction query endpoint")
}
}
}
func queryAuctions(ctx sdk.Context, req abci.RequestQuery, keeper Keeper) (res []byte, err sdk.Error) {
var auctionsList types.Auctions
keeper.IterateAuctions(ctx, func(a types.Auction) bool {
auctionsList = append(auctionsList, a)
return false
})
bz, err2 := codec.MarshalJSONIndent(keeper.cdc, auctionsList)
if err2 != nil {
return nil, sdk.ErrInternal("could not marshal result to JSON")
}
return bz, nil
}