github.com/fibonacci-chain/fbc@v0.0.0-20231124064014-c7636198c1e9/libs/cosmos-sdk/x/slashing/handler.go (about)

     1  package slashing
     2  
     3  import (
     4  	sdk "github.com/fibonacci-chain/fbc/libs/cosmos-sdk/types"
     5  	sdkerrors "github.com/fibonacci-chain/fbc/libs/cosmos-sdk/types/errors"
     6  	"github.com/fibonacci-chain/fbc/libs/cosmos-sdk/x/slashing/internal/types"
     7  )
     8  
     9  // NewHandler creates an sdk.Handler for all the slashing type messages
    10  func NewHandler(k Keeper) sdk.Handler {
    11  	return func(ctx sdk.Context, msg sdk.Msg) (*sdk.Result, error) {
    12  		ctx.SetEventManager(sdk.NewEventManager())
    13  
    14  		switch msg := msg.(type) {
    15  		case MsgUnjail:
    16  			return handleMsgUnjail(ctx, msg, k)
    17  
    18  		default:
    19  			return nil, sdkerrors.Wrapf(sdkerrors.ErrUnknownRequest, "unrecognized %s message type: %T", ModuleName, msg)
    20  		}
    21  	}
    22  }
    23  
    24  // Validators must submit a transaction to unjail itself after
    25  // having been jailed (and thus unbonded) for downtime
    26  func handleMsgUnjail(ctx sdk.Context, msg MsgUnjail, k Keeper) (*sdk.Result, error) {
    27  	err := k.Unjail(ctx, msg.ValidatorAddr)
    28  	if err != nil {
    29  		return nil, err
    30  	}
    31  
    32  	ctx.EventManager().EmitEvent(
    33  		sdk.NewEvent(
    34  			sdk.EventTypeMessage,
    35  			sdk.NewAttribute(sdk.AttributeKeyModule, types.AttributeValueCategory),
    36  			sdk.NewAttribute(sdk.AttributeKeySender, msg.ValidatorAddr.String()),
    37  		),
    38  	)
    39  
    40  	return &sdk.Result{Events: ctx.EventManager().Events()}, nil
    41  }