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