package issuance import ( sdk "github.com/cosmos/cosmos-sdk/types" sdkerrors "github.com/cosmos/cosmos-sdk/types/errors" "github.com/kava-labs/kava/x/issuance/keeper" "github.com/kava-labs/kava/x/issuance/types" ) // NewHandler creates an sdk.Handler for issuance messages func NewHandler(k keeper.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.MsgIssueTokens: return handleMsgIssueTokens(ctx, k, msg) case types.MsgRedeemTokens: return handleMsgRedeemTokens(ctx, k, msg) case types.MsgBlockAddress: return handleMsgBlockAddress(ctx, k, msg) case types.MsgUnblockAddress: return handleMsgUnblockAddress(ctx, k, msg) case types.MsgSetPauseStatus: return handleMsgSetPauseStatus(ctx, k, msg) default: return nil, sdkerrors.Wrapf(sdkerrors.ErrUnknownRequest, "unrecognized %s message type: %T", types.ModuleName, msg) } } } func handleMsgIssueTokens(ctx sdk.Context, k keeper.Keeper, msg types.MsgIssueTokens) (*sdk.Result, error) { err := k.IssueTokens(ctx, msg.Tokens, msg.Sender, msg.Receiver) 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 handleMsgRedeemTokens(ctx sdk.Context, k keeper.Keeper, msg types.MsgRedeemTokens) (*sdk.Result, error) { err := k.RedeemTokens(ctx, msg.Tokens, msg.Sender) 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 handleMsgBlockAddress(ctx sdk.Context, k keeper.Keeper, msg types.MsgBlockAddress) (*sdk.Result, error) { err := k.BlockAddress(ctx, msg.Denom, msg.Sender, msg.Address) 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 handleMsgUnblockAddress(ctx sdk.Context, k keeper.Keeper, msg types.MsgUnblockAddress) (*sdk.Result, error) { err := k.UnblockAddress(ctx, msg.Denom, msg.Sender, msg.Address) 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 handleMsgSetPauseStatus(ctx sdk.Context, k keeper.Keeper, msg types.MsgSetPauseStatus) (*sdk.Result, error) { err := k.SetPauseStatus(ctx, msg.Sender, msg.Denom, msg.Status) 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 }