38 lines
1.1 KiB
Go
38 lines
1.1 KiB
Go
package keeper
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import (
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"context"
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"fmt"
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"cosmossdk.io/core/comet"
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"cosmossdk.io/x/evidence/types"
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"github.com/cosmos/cosmos-sdk/telemetry"
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)
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// BeginBlocker iterates through and handles any newly discovered evidence of
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// misbehavior submitted by CometBFT. Currently, only equivocation is handled.
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func (k Keeper) BeginBlocker(ctx context.Context, cometService comet.Service) error {
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start := telemetry.Now()
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defer telemetry.ModuleMeasureSince(types.ModuleName, start, telemetry.MetricKeyBeginBlocker)
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bi := cometService.CometInfo(ctx)
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evidences := bi.Evidence
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for _, evidence := range evidences {
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switch evidence.Type {
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// It's still ongoing discussion how should we treat and slash attacks with
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// premeditation. So for now we agree to treat them in the same way.
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case comet.LightClientAttack, comet.DuplicateVote:
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evidence := types.FromABCIEvidence(evidence, k.consensusAddressCodec)
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err := k.handleEquivocationEvidence(ctx, evidence)
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if err != nil {
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return err
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}
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default:
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k.Logger.Error(fmt.Sprintf("ignored unknown evidence type: %x", evidence.Type))
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}
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}
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return nil
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}
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