cosmos-sdk/x/slashing/handler.go

45 lines
1.1 KiB
Go

package slashing
import (
"fmt"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/cosmos/cosmos-sdk/x/slashing/internal/types"
)
// NewHandler creates an sdk.Handler for all the slashing type messages
func NewHandler(k Keeper) sdk.Handler {
return func(ctx sdk.Context, msg sdk.Msg) sdk.Result {
ctx = ctx.WithEventManager(sdk.NewEventManager())
switch msg := msg.(type) {
case MsgUnjail:
return handleMsgUnjail(ctx, msg, k)
default:
errMsg := fmt.Sprintf("unrecognized slashing message type: %T", msg)
return sdk.ErrUnknownRequest(errMsg).Result()
}
}
}
// Validators must submit a transaction to unjail itself after
// having been jailed (and thus unbonded) for downtime
func handleMsgUnjail(ctx sdk.Context, msg MsgUnjail, k Keeper) sdk.Result {
err := k.Unjail(ctx, msg.ValidatorAddr)
if err != nil {
return err.Result()
}
ctx.EventManager().EmitEvent(
sdk.NewEvent(
sdk.EventTypeMessage,
sdk.NewAttribute(sdk.AttributeKeyModule, types.AttributeValueCategory),
sdk.NewAttribute(sdk.AttributeKeySender, msg.ValidatorAddr.String()),
),
)
return sdk.Result{Events: ctx.EventManager().Events()}
}