package hard import ( sdk "github.com/cosmos/cosmos-sdk/types" sdkerrors "github.com/cosmos/cosmos-sdk/types/errors" "github.com/kava-labs/kava/x/hard/keeper" "github.com/kava-labs/kava/x/hard/types" ) // NewHandler creates an sdk.Handler for hard 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.MsgDeposit: return handleMsgDeposit(ctx, k, msg) case types.MsgWithdraw: return handleMsgWithdraw(ctx, k, msg) case types.MsgBorrow: return handleMsgBorrow(ctx, k, msg) case types.MsgRepay: return handleMsgRepay(ctx, k, msg) case types.MsgLiquidate: return handleMsgLiquidate(ctx, k, msg) default: return nil, sdkerrors.Wrapf(sdkerrors.ErrUnknownRequest, "unrecognized %s message type: %T", ModuleName, msg) } } } func handleMsgDeposit(ctx sdk.Context, k keeper.Keeper, msg types.MsgDeposit) (*sdk.Result, error) { err := k.Deposit(ctx, msg.Depositor, msg.Amount) 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) 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 handleMsgBorrow(ctx sdk.Context, k keeper.Keeper, msg types.MsgBorrow) (*sdk.Result, error) { err := k.Borrow(ctx, msg.Borrower, msg.Amount) if err != nil { return nil, err } ctx.EventManager().EmitEvent( sdk.NewEvent( sdk.EventTypeMessage, sdk.NewAttribute(sdk.AttributeKeyModule, types.AttributeValueCategory), sdk.NewAttribute(sdk.AttributeKeySender, msg.Borrower.String()), ), ) return &sdk.Result{ Events: ctx.EventManager().Events(), }, nil } func handleMsgRepay(ctx sdk.Context, k keeper.Keeper, msg types.MsgRepay) (*sdk.Result, error) { err := k.Repay(ctx, msg.Sender, msg.Owner, msg.Amount) 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 handleMsgLiquidate(ctx sdk.Context, k keeper.Keeper, msg types.MsgLiquidate) (*sdk.Result, error) { err := k.AttemptKeeperLiquidation(ctx, msg.Keeper, msg.Borrower) if err != nil { return nil, err } ctx.EventManager().EmitEvent( sdk.NewEvent( sdk.EventTypeMessage, sdk.NewAttribute(sdk.AttributeKeyModule, types.AttributeValueCategory), sdk.NewAttribute(sdk.AttributeKeySender, msg.Keeper.String()), ), ) return &sdk.Result{ Events: ctx.EventManager().Events(), }, nil }