package tezos-protocol-alpha

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in-package search v0.2.0

tezos-protocol-alpha.embedded-protocol
- Tezos_embedded_protocol_alpha
  - Registerer
    
    Registered
    
    Mempool
    
    Source
tezos-protocol-alpha.parameters
- Tezos_protocol_alpha_parameters
  - Default_parameters
    
    Internal_for_tests
tezos-protocol-alpha.protocol
- Tezos_protocol_alpha
  - Protocol
tezos-protocol-alpha.protocol.environment
- Tezos_protocol_environment_alpha
  - Array
    
    Floatarray
  - Base58
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  - Ed25519
    
    Public_key
    
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    Map
    
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  - Either
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    Lwt_option_syntax
    
    Lwt_result_syntax
    
    Lwt_syntax
    
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  - FallbackArray
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  - Operation_list_hash
    
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  - Option
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    Public_key
    
    Public_key_hash
    
    Map
    
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  - Pervasives
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  - Q
  - RPC_answer
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    simple
  - RPC_directory
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  - Raw_hashes
  - Result
  - S
    
    AGGREGATE_SIGNATURE
    
    Public_key
    
    Public_key_hash
    
    Map
    
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    B58_DATA
    
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    ENCODER
    
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    HASHABLE
    
    INDEXES
    
    Map
    
    Set
    
    INDEXES_MAP
    
    INDEXES_SET
    
    MERKLE_TREE
    
    Map
    
    Set
    
    MINIMAL_HASH
    
    PRIME_FIELD
    
    RAW_DATA
    
    SIGNATURE
    
    Public_key
    
    Public_key_hash
    
    Map
    
    Set
    
    SIGNATURE_PUBLIC_KEY
    
    SIGNATURE_PUBLIC_KEY_HASH
    
    Map
    
    Set
    
    SPLIT_SIGNATURE
    
    Public_key
    
    Public_key_hash
    
    Map
    
    Set
    
    T
  - Sapling
    
    CV
    
    Ciphertext
    
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  - Secp256k1
    
    Public_key
    
    Public_key_hash
    
    Map
    
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  - Seq
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    Make
    
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    S
  - Signature
    
    Public_key
    
    Public_key_hash
    
    Map
    
    Set
  - Skip_list
    
    MONAD
    
    Make
    
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    MONADIC
    
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    M
    
    S
    
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    MONADIC
    
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    M
  - Smart_rollup
    
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    Map
    
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    Merkelized_payload_hashes_hash
    
    Map
    
    Set
    
    State_hash
    
    Map
    
    Set
  - String
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  - Updater
    
    PROTOCOL
    
    Mempool
  - Vdf
  - Wasm_2_0_0
    
    Make
    
    Tree
  - Z
  - proto_rpc_context
  - proto_rpc_context_of_directory
tezos-protocol-alpha.protocol.lifted
- Tezos_protocol_alpha_lifted
  - Lifted_protocol
    
    Mempool
tezos-protocol-alpha.protocol.raw
- Tezos_raw_protocol_alpha

Legend:
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This module is responsible for ensuring that a delegate doesn't get slashed twice for the same offense. To do so, it maintains the Storage.Already_denounced table, which tracks which denunciations have already been seen in blocks.

A denunciation is uniquely characterized by the delegate (the culprit), the level and round of the duplicate block or (pre)attestation, and the Misbehaviour_repr.kind (double baking/attesting/preattesting).

Invariant: Storage.Already_denounced is empty for cycles equal to current_cycle - max_slashing_period or older. Indeed, such denunciations are no longer allowed (see Anonymous.check_denunciation_age in Validate) so there is no need to track them anymore.

val already_denounced : 
  Raw_context.t ->
  Tezos_protocol_environment_alpha.Signature.Public_key_hash.t ->
  Level_repr.t ->
  Round_repr.t ->
  Misbehaviour_repr.kind ->
  bool Tezos_protocol_environment_alpha.Error_monad.tzresult
    Tezos_protocol_environment_alpha.Lwt.t

Returns true if the given delegate has already been denounced for the given misbehaviour kind at the given level and round.

val add_denunciation : 
  Raw_context.t ->
  Tezos_protocol_environment_alpha.Signature.public_key_hash ->
  Level_repr.t ->
  Round_repr.t ->
  Misbehaviour_repr.kind ->
  (Raw_context.t * bool) Tezos_protocol_environment_alpha.Error_monad.tzresult
    Tezos_protocol_environment_alpha.Lwt.t

Records a denunciation in Storage.Already_denounced.

Returns a pair (ctxt, already_denounced), where already_denounced is a boolean indicating whether the denunciation was already recorded in the storage previously.

When already_denounced is true, the returned ctxt is actually the unchanged context argument.

Precondition: the given level should be more recent than current_cycle - max_slashing_period in order to maintain the invariant on the age of tracked denunciations. Fortunately, this is already enforced in Validate by Anonymous.check_denunciation_age.

val clear_outdated_cycle : 
  Raw_context.t ->
  new_cycle:Cycle_repr.t ->
  Raw_context.t Tezos_protocol_environment_alpha.Lwt.t

Clear Storage.Already_denounced for the cycle new_cycle - max_slashing_period. Indeed, denunciations on events which happened during this cycle are no longer allowed anyway.