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Validation

evm_fork_cache::freshness

Enum Validation 

Source 
pub enum Validation {
    Confirmed,
    Corrected {
        results: Vec<CallSimulationResult>,
        changed: Vec<SlotChange>,
    },
    Unverified {
        reason: String,
    },
}
Expand description

The deferred verdict on a SpeculativeSim’s optimistic results.

§Reconciliation scope

The verdict reflects only volatile storage slots in each sim’s read set. Account-level state — native balance, nonce, and bytecode — is not re-verified, so a sim whose result depends on a BALANCE/SELFBALANCE (or nonce/code) that changed on-chain without a co-changing storage slot in its read set can still be reported Confirmed. Classify such accounts as Validity::Pinned and keep them fresh via event-driven writes if their account-level state matters to your sims. See the module-level docs for the full freshness contract.

Variants§

§

Confirmed

No volatile storage slot in the sims’ read sets had changed, so the optimistic results are trusted. Note this does not cover account-level balance/nonce/code changes — see the type-level scope.

§

Corrected

At least one read storage slot changed. results is the optimistic set with the affected sims re-run against the fresh values; changed lists the slots that differed (also queued for flow-back into the cache). Only storage slots are reconciled — account-level state is not (see the type-level scope).

Fields

§results: Vec<CallSimulationResult>

Optimistic results with the affected sims replaced by re-runs.

§changed: Vec<SlotChange>

Slots whose fresh value differed from the snapshot.

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Unverified

The fetcher failed, so the results could not be validated. The optimistic results are not trusted.

Fields

§reason: String

Human-readable description of why validation could not complete.

Trait Implementations§

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impl Debug for Validation

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

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