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handler.go
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/
handler.go
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package slashing
import (
sdk "github.com/cosmos/cosmos-sdk/types"
)
func NewHandler(k Keeper) sdk.Handler {
return func(ctx sdk.Context, msg sdk.Msg) sdk.Result {
// NOTE msg already has validate basic run
switch msg := msg.(type) {
case MsgUnjail:
return handleMsgUnjail(ctx, msg, k)
default:
return sdk.ErrTxDecode("invalid message parse in staking module").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.validatorSet.Validator(ctx, msg.ValidatorAddr)
if validator == nil {
return ErrNoValidatorForAddress(k.codespace).Result()
}
// cannot be unjailed if no self-delegation exists
selfDel := k.validatorSet.Delegation(ctx, sdk.AccAddress(msg.ValidatorAddr), msg.ValidatorAddr)
if selfDel == nil {
return ErrMissingSelfDelegation(k.codespace).Result()
}
if !validator.GetJailed() {
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 until out of jail
if ctx.BlockHeader().Time.Before(info.JailedUntil) {
return ErrValidatorJailed(k.codespace).Result()
}
// unjail the validator
k.validatorSet.Unjail(ctx, consAddr)
tags := sdk.NewTags("validator", []byte(msg.ValidatorAddr.String()))
return sdk.Result{
Tags: tags,
}
}