import { CachedBeaconStateFulu } from "../types.js";
/** Verify queued deposit signatures in batches of this size. Also the time-box granularity: the
 *  deadline is checked once per batch, so overrun is bounded to a single batch. Exported for tests. */
export declare const BUILDER_DEPOSIT_BATCH_SIZE = 32;
/**
 * Per-tick cap on builder deposits the prepareForNextSlot scanner will verify.
 * ~2.7s for 10_000 BLS verifications on a typical server — fits within the slot budget while the
 * pre-window (see GLOAS_PREVERIFY_WINDOW_EPOCHS) covers up to ~620k deposits over its duration.
 */
export declare const MAX_BUILDER_DEPOSITS_PER_SLOT = 10000;
/**
 * Number of epochs before GLOAS_FORK_EPOCH during which the prepareForNextSlot scanner pre-verifies
 * builder-deposit signatures. Two: deposits arriving this late cannot collude with validator
 * deposits — validator-vs-builder routing is decided at the fork boundary from what is already in
 * pendingDeposits, so anything submitted inside this window is unambiguous.
 */
export declare const GLOAS_PREVERIFY_WINDOW_EPOCHS = 2;
/**
 * Summary of a single `preVerifyBuilderDepositsPreGloas` call.
 */
export type PreVerifyBuilderDepositsResult = {
    /** Builder-prefix deposit signatures verified valid in this call (cached true). */
    validBuilderSignaturesCount: number;
    /** Builder-prefix deposit signatures verified invalid in this call (cached false, dropped at fork). */
    invalidBuilderSignaturesCount: number;
    /** Validator (builder-pubkey) deposit signatures verified valid in this call. */
    validValidatorSignaturesCount: number;
    /** Validator (builder-pubkey) deposit signatures verified invalid in this call (abuse signal). */
    invalidValidatorSignaturesCount: number;
    /** Pending deposits examined this call (all creds; < pendingDepositsCount ⇒ per-tick cap hit). */
    scannedPendingDeposits: number;
    /** Cumulative deposits verified & cached so far this window (cache size, pass + fail). */
    totalCachedDeposits: number;
    /** Distinct builder pubkeys tracked so far this window. */
    totalBuilderPubkeys: number;
    /** Current `state.pendingDeposits.length` — the full backlog. */
    pendingDepositsCount: number;
};
/**
 * Scanner driven by `prepareForNextSlot` over the `GLOAS_PREVERIFY_WINDOW_EPOCHS` epochs before
 * GLOAS_FORK_EPOCH. Walks `state.pendingDeposits` (as struct values via getAllReadonlyValues) and
 * queues, for signature verification, the deposits the fork transition will check on its hot path:
 *   - builder-prefix deposits (for onboarding); records each builder pubkey on the cache, and
 *   - validator deposits sharing a builder pubkey (the set `hasPendingValidator` walks at the fork),
 *     but only until one is found valid — `hasPendingValidator` stops at the first valid signature, so
 *     the cache marks the pubkey and the scanner skips that pubkey's remaining validator deposits.
 *
 * Bounded by two knobs: at most `maxBuilderDeposits` new deposits are queued per call, and the chunk
 * verification is **time-boxed** to `maxDurationMs`.
 */
export declare function preVerifyBuilderDepositsPreGloas(state: CachedBeaconStateFulu, maxBuilderDeposits: number, maxDurationMs: number): PreVerifyBuilderDepositsResult;
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