62 lines
1.9 KiB
Go
62 lines
1.9 KiB
Go
package keeper
|
|
|
|
import (
|
|
sdk "github.com/cosmos/cosmos-sdk/types"
|
|
sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
|
|
"github.com/cosmos/cosmos-sdk/x/slashing/types"
|
|
)
|
|
|
|
// Unjail calls the staking Unjail function to unjail a validator if the
|
|
// jailed period has concluded
|
|
func (k Keeper) Unjail(ctx sdk.Context, validatorAddr sdk.ValAddress) error {
|
|
validator := k.sk.Validator(ctx, validatorAddr)
|
|
if validator == nil {
|
|
return types.ErrNoValidatorForAddress
|
|
}
|
|
|
|
// cannot be unjailed if no self-delegation exists
|
|
selfDel := k.sk.Delegation(ctx, sdk.AccAddress(validatorAddr), validatorAddr)
|
|
if selfDel == nil {
|
|
return types.ErrMissingSelfDelegation
|
|
}
|
|
|
|
tokens := validator.TokensFromShares(selfDel.GetShares()).TruncateInt()
|
|
minSelfBond := validator.GetMinSelfDelegation()
|
|
if tokens.LT(minSelfBond) {
|
|
return sdkerrors.Wrapf(
|
|
types.ErrSelfDelegationTooLowToUnjail, "%s less than %s", tokens, minSelfBond,
|
|
)
|
|
}
|
|
|
|
// cannot be unjailed if not jailed
|
|
if !validator.IsJailed() {
|
|
return types.ErrValidatorNotJailed
|
|
}
|
|
|
|
consAddr := sdk.ConsAddress(validator.GetConsPubKey().Address())
|
|
|
|
// If the validator has a ValidatorSigningInfo object that signals that the
|
|
// validator was bonded and so we must check that the validator is not tombstoned
|
|
// and can be unjailed at the current block.
|
|
//
|
|
// A validator that is jailed but has no ValidatorSigningInfo object signals
|
|
// that the validator was never bonded and must've been jailed due to falling
|
|
// below their minimum self-delegation. The validator can unjail at any point
|
|
// assuming they've now bonded above their minimum self-delegation.
|
|
info, found := k.GetValidatorSigningInfo(ctx, consAddr)
|
|
if found {
|
|
// cannot be unjailed if tombstoned
|
|
if info.Tombstoned {
|
|
return types.ErrValidatorJailed
|
|
}
|
|
|
|
// cannot be unjailed until out of jail
|
|
if ctx.BlockHeader().Time.Before(info.JailedUntil) {
|
|
return types.ErrValidatorJailed
|
|
}
|
|
}
|
|
|
|
k.sk.Unjail(ctx, consAddr)
|
|
return nil
|
|
}
|