package auction import ( "fmt" sdk "github.com/cosmos/cosmos-sdk/types" "github.com/kava-labs/kava/x/auction/types" ) // NewHandler returns a function to handle all "auction" type messages. func NewHandler(keeper Keeper) sdk.Handler { return func(ctx sdk.Context, msg sdk.Msg) sdk.Result { ctx = ctx.WithEventManager(sdk.NewEventManager()) switch msg := msg.(type) { case MsgPlaceBid: return handleMsgPlaceBid(ctx, keeper, msg) default: return sdk.ErrUnknownRequest(fmt.Sprintf("Unrecognized auction msg type: %T", msg)).Result() } } } func handleMsgPlaceBid(ctx sdk.Context, keeper Keeper, msg MsgPlaceBid) sdk.Result { err := keeper.PlaceBid(ctx, msg.AuctionID, msg.Bidder, msg.Amount) if err != nil { return err.Result() } ctx.EventManager().EmitEvent( sdk.NewEvent( sdk.EventTypeMessage, sdk.NewAttribute(sdk.AttributeKeyModule, types.AttributeValueCategory), sdk.NewAttribute(sdk.AttributeKeySender, msg.Bidder.String()), ), ) return sdk.Result{ Events: ctx.EventManager().Events(), } }