package tezos-protocol-013-PtJakart

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A commitment represents a claim about the state of the Inbox and PVM at some Inbox level.

More formally, a commitment is a claim that:

assuming the PVM and Inbox are in a state implied by predecessor
the PVM consumes number_of_messages messages tagged with inbox_level from the Inbox
the PVM advances to the state compressed_state over number_of_ticks ticks

Commitments are disjoint. The next correct commitment is a function of the previous machine state and Inbox.

number_of_messages and inbox_level can be proven/disproven by Merkle proofs on the Inbox state.

compressed_state and number_of_ticks can be proven/disproven by PVM execution, or equivalently, by an interactive proof game between conflicting parties, such that a correct executor always wins the game.

type t = {

compressed_state : State_hash.t;
inbox_level : Raw_level_repr.t;
predecessor : Commitment_hash.t;
number_of_messages : Number_of_messages.t;
number_of_ticks : Number_of_ticks.t;

}

val pp : Tezos_protocol_environment_013_PtJakart.Format.formatter -> t -> unit

val encoding : t Tezos_protocol_environment_013_PtJakart.Data_encoding.t

val hash : t -> Commitment_hash.t