package tezos-protocol-alpha

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tezos-protocol-alpha.embedded-protocol
- Tezos_embedded_protocol_alpha
  - Registerer
    
    Registered
    
    Mempool
    
    Source
tezos-protocol-alpha.parameters
- Tezos_protocol_alpha_parameters
  - Default_parameters
tezos-protocol-alpha.protocol
- Tezos_protocol_alpha
  - Protocol
tezos-protocol-alpha.protocol.environment
- Tezos_protocol_environment_alpha
  - Array
    
    Floatarray
  - Base58
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    Make
    
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  - Block_header
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    Set
  - Bounded
    
    BOUNDS
    
    Int16
    
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    B
    
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    B
    
    Int64
    
    B
    
    Int8
    
    B
    
    Non_negative_int32
    
    S
    
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    B
  - Bytes
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  - Context
    
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  - Context_binary
    
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  - Ed25519
    
    Public_key
    
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    Map
    
    Set
  - Either
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    Lwt_option_syntax
    
    Lwt_result_syntax
    
    Lwt_syntax
    
    Option_syntax
    
    Result_syntax
  - FallbackArray
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  - Lift
    
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    Map
    
    Set
  - Operation_list_hash
    
    Map
    
    Set
  - Operation_list_list_hash
    
    Map
    
    Set
  - Option
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    Public_key
    
    Public_key_hash
    
    Map
    
    Set
  - Pervasives
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  - Protocol_hash
    
    Map
    
    Set
  - Q
  - RPC_answer
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  - RPC_context
    
    simple
  - RPC_directory
  - RPC_path
  - RPC_query
  - RPC_service
  - Raw_hashes
  - Result
  - S
    
    AGGREGATE_SIGNATURE
    
    Public_key
    
    Public_key_hash
    
    Map
    
    Set
    
    B58_DATA
    
    CURVE
    
    Scalar
    
    ENCODER
    
    FIELD
    
    HASH
    
    Map
    
    Set
    
    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
    
    Commitment
    
    Hash
    
    Nullifier
    
    UTXO
    
    Legacy
    
    Verification
  - Secp256k1
    
    Public_key
    
    Public_key_hash
    
    Map
    
    Set
  - Seq
  - Set
    
    Make
    
    Ord
    
    S
  - Signature
    
    Public_key
    
    Public_key_hash
    
    Map
    
    Set
  - Skip_list
    
    MONAD
    
    Make
    
    Arg
    
    Lwt
    
    MONADIC
    
    Make_monadic
    
    M
    
    S
    
    Lwt
    
    MONADIC
    
    Make_monadic
    
    M
  - Smart_rollup
    
    Address
    
    Map
    
    Set
    
    Commitment_hash
    
    Map
    
    Set
    
    Inbox_hash
    
    Map
    
    Set
    
    Merkelized_payload_hashes_hash
    
    Map
    
    Set
    
    State_hash
    
    Map
    
    Set
  - String
  - Time
  - Timelock
  - TzEndian
  - 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

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Class type

Storage management of slots for the data-availability layer.

Overview

This module is an interface for the slot storage for the layer 1.

Depending on the current level of the context and the attestation_lag (a constant given by the context), the status of the slot may differ:

For every level in the interval current_level; current_level + attestation_lag - 1 the slot is Pending. This means a slot header was proposed but was not declared available yet.

For every level above current_level + attestation_lag, the slot may be attested. For any slot attested by the protocol (i.e. indices returned by finalize_pending_slots), subscribers of the DAL should take into account the corresponding slots.

For every level below current_level - attestation_lag, there should not be any slot in the storage.

val find_slot_headers : 
  Raw_context.t ->
  Raw_level_repr.t ->
  Dal_slot_repr.Header.t list option
    Tezos_protocol_environment_alpha.Error_monad.tzresult
    Tezos_protocol_environment_alpha.Lwt.t

find_slot_headers ctxt level returns Some slot_headers where slot_headers are pending slots at level level. None is returned if no slot_header was registered at this level. The function fails if the reading into the context fails.

val finalize_current_slot_headers : 
  Raw_context.t ->
  Raw_context.t Tezos_protocol_environment_alpha.Lwt.t

finalize_current_slot_headers ctxt finalizes the current slot headers posted on this block and marks them as pending into the context.

val finalize_pending_slot_headers : 
  Raw_context.t ->
  (Raw_context.t * Dal_attestation_repr.t)
    Tezos_protocol_environment_alpha.Error_monad.tzresult
    Tezos_protocol_environment_alpha.Lwt.t

finalize_pending_slot_headers ctxt finalizes pending slot headers which are old enough (i.e. registered at level current_level - attestation_lag). All slots marked as available are returned. All the pending slots at current_level - attestation_lag level are removed from the context.

val get_slot_headers_history : 
  Raw_context.t ->
  Dal_slot_repr.History.t Tezos_protocol_environment_alpha.Error_monad.tzresult
    Tezos_protocol_environment_alpha.Lwt.t

get_slot_headers_history ctxt returns the current value of slots_history stored in ctxt, or Slots_history.genesis if no value is stored yet.