76 lines
2.0 KiB
Go
76 lines
2.0 KiB
Go
package slashing
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import (
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"fmt"
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sdk "github.com/cosmos/cosmos-sdk/types"
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"github.com/cosmos/cosmos-sdk/x/slashing/tags"
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)
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func NewHandler(k Keeper) sdk.Handler {
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return func(ctx sdk.Context, msg sdk.Msg) sdk.Result {
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// NOTE msg already has validate basic run
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switch msg := msg.(type) {
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case MsgUnjail:
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return handleMsgUnjail(ctx, msg, k)
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default:
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errMsg := fmt.Sprintf("unrecognized slashing message type: %T", msg)
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return sdk.ErrUnknownRequest(errMsg).Result()
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}
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}
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}
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// Validators must submit a transaction to unjail itself after
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// having been jailed (and thus unbonded) for downtime
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func handleMsgUnjail(ctx sdk.Context, msg MsgUnjail, k Keeper) sdk.Result {
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validator := k.validatorSet.Validator(ctx, msg.ValidatorAddr)
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if validator == nil {
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return ErrNoValidatorForAddress(k.codespace).Result()
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}
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// cannot be unjailed if no self-delegation exists
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selfDel := k.validatorSet.Delegation(ctx, sdk.AccAddress(msg.ValidatorAddr), msg.ValidatorAddr)
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if selfDel == nil {
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return ErrMissingSelfDelegation(k.codespace).Result()
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}
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if validator.TokensFromShares(selfDel.GetShares()).TruncateInt().LT(validator.GetMinSelfDelegation()) {
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return ErrSelfDelegationTooLowToUnjail(k.codespace).Result()
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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 ErrValidatorNotJailed(k.codespace).Result()
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}
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consAddr := sdk.ConsAddress(validator.GetConsPubKey().Address())
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info, found := k.getValidatorSigningInfo(ctx, consAddr)
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if !found {
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return ErrNoValidatorForAddress(k.codespace).Result()
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}
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// cannot be unjailed if tombstoned
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if info.Tombstoned {
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return ErrValidatorJailed(k.codespace).Result()
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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 ErrValidatorJailed(k.codespace).Result()
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}
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// unjail the validator
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k.validatorSet.Unjail(ctx, consAddr)
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tags := sdk.NewTags(
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tags.Category, tags.TxCategory,
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tags.Sender, msg.ValidatorAddr.String(),
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)
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return sdk.Result{
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Tags: tags,
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}
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}
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