package harvest import ( "strings" sdk "github.com/cosmos/cosmos-sdk/types" sdkerrors "github.com/cosmos/cosmos-sdk/types/errors" "github.com/kava-labs/kava/x/harvest/keeper" "github.com/kava-labs/kava/x/harvest/types" ) // NewHandler creates an sdk.Handler for harvest messages func NewHandler(k Keeper) sdk.Handler { return func(ctx sdk.Context, msg sdk.Msg) (*sdk.Result, error) { ctx = ctx.WithEventManager(sdk.NewEventManager()) switch msg := msg.(type) { case types.MsgClaimReward: return handleMsgClaimReward(ctx, k, msg) case types.MsgDeposit: return handleMsgDeposit(ctx, k, msg) case types.MsgWithdraw: return handleMsgWithdraw(ctx, k, msg) default: return nil, sdkerrors.Wrapf(sdkerrors.ErrUnknownRequest, "unrecognized %s message type: %T", ModuleName, msg) } } } func handleMsgClaimReward(ctx sdk.Context, k keeper.Keeper, msg types.MsgClaimReward) (*sdk.Result, error) { err := k.ClaimReward(ctx, msg.Sender, msg.Receiver, msg.DepositDenom, types.DepositType(strings.ToLower(msg.DepositType)), types.MultiplierName(strings.ToLower(msg.MultiplierName))) if err != nil { return nil, err } ctx.EventManager().EmitEvent( sdk.NewEvent( sdk.EventTypeMessage, sdk.NewAttribute(sdk.AttributeKeyModule, types.AttributeValueCategory), sdk.NewAttribute(sdk.AttributeKeySender, msg.Sender.String()), ), ) return &sdk.Result{ Events: ctx.EventManager().Events(), }, nil } func handleMsgDeposit(ctx sdk.Context, k keeper.Keeper, msg types.MsgDeposit) (*sdk.Result, error) { err := k.Deposit(ctx, msg.Depositor, msg.Amount, types.DepositType(strings.ToLower(msg.DepositType))) if err != nil { return nil, err } ctx.EventManager().EmitEvent( sdk.NewEvent( sdk.EventTypeMessage, sdk.NewAttribute(sdk.AttributeKeyModule, types.AttributeValueCategory), sdk.NewAttribute(sdk.AttributeKeySender, msg.Depositor.String()), ), ) return &sdk.Result{ Events: ctx.EventManager().Events(), }, nil } func handleMsgWithdraw(ctx sdk.Context, k keeper.Keeper, msg types.MsgWithdraw) (*sdk.Result, error) { err := k.Withdraw(ctx, msg.Depositor, msg.Amount, types.DepositType(strings.ToLower(msg.DepositType))) if err != nil { return nil, err } ctx.EventManager().EmitEvent( sdk.NewEvent( sdk.EventTypeMessage, sdk.NewAttribute(sdk.AttributeKeyModule, types.AttributeValueCategory), sdk.NewAttribute(sdk.AttributeKeySender, msg.Depositor.String()), ), ) return &sdk.Result{ Events: ctx.EventManager().Events(), }, nil }