63 lines
1.6 KiB
Go
63 lines
1.6 KiB
Go
package slashing
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import (
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sdk "github.com/cosmos/cosmos-sdk/types"
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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 MsgUnrevoke:
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return handleMsgUnrevoke(ctx, msg, k)
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default:
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return sdk.ErrTxDecode("invalid message parse in staking module").Result()
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}
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}
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}
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// Validators must submit a transaction to unrevoke itself after
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// having been revoked (and thus unbonded) for downtime
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func handleMsgUnrevoke(ctx sdk.Context, msg MsgUnrevoke, k Keeper) sdk.Result {
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// Validator must exist
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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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if !validator.GetRevoked() {
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return ErrValidatorNotRevoked(k.codespace).Result()
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}
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addr := sdk.ValAddress(validator.GetPubKey().Address())
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// Signing info must exist
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info, found := k.getValidatorSigningInfo(ctx, addr)
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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 unrevoked until out of jail
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if ctx.BlockHeader().Time < info.JailedUntil {
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return ErrValidatorJailed(k.codespace).Result()
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}
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if ctx.IsCheckTx() {
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return sdk.Result{}
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}
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// Update the starting height (so the validator can't be immediately revoked again)
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info.StartHeight = ctx.BlockHeight()
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k.setValidatorSigningInfo(ctx, addr, info)
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// Unrevoke the validator
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k.validatorSet.Unrevoke(ctx, validator.GetPubKey())
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tags := sdk.NewTags("action", []byte("unrevoke"), "validator", []byte(msg.ValidatorAddr.String()))
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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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