77 lines
2.1 KiB
Go
77 lines
2.1 KiB
Go
package slashing
|
|
|
|
import (
|
|
"fmt"
|
|
|
|
sdk "github.com/cosmos/cosmos-sdk/types"
|
|
"github.com/cosmos/cosmos-sdk/x/slashing/types"
|
|
)
|
|
|
|
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 {
|
|
validator := k.sk.Validator(ctx, msg.ValidatorAddr)
|
|
if validator == nil {
|
|
return ErrNoValidatorForAddress(k.codespace).Result()
|
|
}
|
|
|
|
// cannot be unjailed if no self-delegation exists
|
|
selfDel := k.sk.Delegation(ctx, sdk.AccAddress(msg.ValidatorAddr), msg.ValidatorAddr)
|
|
if selfDel == nil {
|
|
return ErrMissingSelfDelegation(k.codespace).Result()
|
|
}
|
|
|
|
if validator.TokensFromShares(selfDel.GetShares()).TruncateInt().LT(validator.GetMinSelfDelegation()) {
|
|
return ErrSelfDelegationTooLowToUnjail(k.codespace).Result()
|
|
}
|
|
|
|
// cannot be unjailed if not jailed
|
|
if !validator.IsJailed() {
|
|
return ErrValidatorNotJailed(k.codespace).Result()
|
|
}
|
|
|
|
consAddr := sdk.ConsAddress(validator.GetConsPubKey().Address())
|
|
|
|
info, found := k.getValidatorSigningInfo(ctx, consAddr)
|
|
if !found {
|
|
return ErrNoValidatorForAddress(k.codespace).Result()
|
|
}
|
|
|
|
// cannot be unjailed if tombstoned
|
|
if info.Tombstoned {
|
|
return ErrValidatorJailed(k.codespace).Result()
|
|
}
|
|
|
|
// cannot be unjailed until out of jail
|
|
if ctx.BlockHeader().Time.Before(info.JailedUntil) {
|
|
return ErrValidatorJailed(k.codespace).Result()
|
|
}
|
|
|
|
k.sk.Unjail(ctx, consAddr)
|
|
|
|
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()}
|
|
}
|