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README
¶
Slasher Implementation
This is the main project folder for a slasher implementation for eth2 written in Go by Prysmatic Labs. A slasher listens for all broadcasted messages using a running beacon node in order to detect slashable attestations and block proposals. It uses the min-max-surround method by Protolambda.
The slasher requires a connection to a synced beacon node in order to listen for attestations and block proposals. To run the slasher, type:
bazel run //slasher -- \
--datadir PATH/FOR/DB \
--span-map-cache \
--beacon-rpc-provider localhost:4000
The beacon node entered in beacon-rpc-provider will then receive slashings from the slasher client and send them to any requesting proposer to be put into a block. You can read more about configuration options for our slasher in our documentation portal
Directories
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| Path | Synopsis |
|---|---|
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Package beaconclient defines a service that interacts with a beacon node via a gRPC client to listen for streamed blocks, attestations, and to submit proposer/attester slashings to the node in case they are detected.
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Package beaconclient defines a service that interacts with a beacon node via a gRPC client to listen for streamed blocks, attestations, and to submit proposer/attester slashings to the node in case they are detected. |
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Package cache contains critical caches necessary for the runtime of the slasher service, such as a cache for maintaining validator history on a per epoch basis
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Package cache contains critical caches necessary for the runtime of the slasher service, such as a cache for maintaining validator history on a per epoch basis |
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Package db defines a persistent backend for the slasher service.
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Package db defines a persistent backend for the slasher service. |
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iface
Package iface defines an interface for the slasher database, providing more advanced interfaces such as a ReadOnlyDatabase.
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Package iface defines an interface for the slasher database, providing more advanced interfaces such as a ReadOnlyDatabase. |
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kv
Package kv defines a bolt-db, key-value store implementation of the slasher database interface.
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Package kv defines a bolt-db, key-value store implementation of the slasher database interface. |
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testing
Package testing defines useful helper functions for unit tests with the slasher database.
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Package testing defines useful helper functions for unit tests with the slasher database. |
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types
Package types includes important database-related types for slasher-specific logic.
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Package types includes important database-related types for slasher-specific logic. |
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Package detection defines a service that reacts to incoming blocks/attestations by running slashing detection for double proposals, double votes, and surround votes according to the eth2 specification.
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Package detection defines a service that reacts to incoming blocks/attestations by running slashing detection for double proposals, double votes, and surround votes according to the eth2 specification. |
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attestations
Package attestations defines an implementation of a slashable attestation detector using min-max surround vote checking.
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Package attestations defines an implementation of a slashable attestation detector using min-max surround vote checking. |
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attestations/iface
Package iface defines an interface for a slashable attestation detector struct.
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Package iface defines an interface for a slashable attestation detector struct. |
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attestations/types
Package types includes important type definitions for slashable objects detected by slasher.
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Package types includes important type definitions for slashable objects detected by slasher. |
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proposals
Package proposals defines an implementation of a double-propose detector in the slasher runtime.
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Package proposals defines an implementation of a double-propose detector in the slasher runtime. |
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proposals/iface
Package iface defines an interface for a double-proposal detector struct.
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Package iface defines an interface for a double-proposal detector struct. |
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testing
Package testing includes useful helpers for slasher-related unit tests.
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Package testing includes useful helpers for slasher-related unit tests. |
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Package node is the main process which handles the lifecycle of the runtime services in a slasher process, gracefully shutting everything down upon close.
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Package node is the main process which handles the lifecycle of the runtime services in a slasher process, gracefully shutting everything down upon close. |
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Package rpc defines an implementation of a gRPC slasher service, providing endpoints for determining whether or not a block/attestation is slashable based on slasher's evidence.
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Package rpc defines an implementation of a gRPC slasher service, providing endpoints for determining whether or not a block/attestation is slashable based on slasher's evidence. |
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