import { EpochNumber, SlotNumber } from '@aztec/foundation/branded-types';
import { z } from 'zod';
export type L1RollupConstants = {
    l1StartBlock: bigint;
    l1GenesisTime: bigint;
    slotDuration: number;
    epochDuration: number;
    ethereumSlotDuration: number;
    proofSubmissionEpochs: number;
    targetCommitteeSize: number;
    rollupManaLimit: number;
};
export declare const EmptyL1RollupConstants: L1RollupConstants;
export declare const L1RollupConstantsSchema: z.ZodObject<{
    l1StartBlock: z.ZodPipeline<z.ZodUnion<[z.ZodBigInt, z.ZodNumber, z.ZodString]>, z.ZodBigInt>;
    l1GenesisTime: z.ZodPipeline<z.ZodUnion<[z.ZodBigInt, z.ZodNumber, z.ZodString]>, z.ZodBigInt>;
    slotDuration: z.ZodNumber;
    epochDuration: z.ZodNumber;
    ethereumSlotDuration: z.ZodNumber;
    proofSubmissionEpochs: z.ZodNumber;
    targetCommitteeSize: z.ZodNumber;
    rollupManaLimit: z.ZodNumber;
}, "strip", z.ZodTypeAny, {
    l1StartBlock: bigint;
    l1GenesisTime: bigint;
    slotDuration: number;
    epochDuration: number;
    ethereumSlotDuration: number;
    proofSubmissionEpochs: number;
    targetCommitteeSize: number;
    rollupManaLimit: number;
}, {
    l1StartBlock: string | number | bigint;
    l1GenesisTime: string | number | bigint;
    slotDuration: number;
    epochDuration: number;
    ethereumSlotDuration: number;
    proofSubmissionEpochs: number;
    targetCommitteeSize: number;
    rollupManaLimit: number;
}>;
/** Returns the timestamp for a given L2 slot. */
export declare function getTimestampForSlot(slot: SlotNumber, constants: Pick<L1RollupConstants, 'l1GenesisTime' | 'slotDuration'>): bigint;
/** Returns the slot number for a given timestamp. */
export declare function getSlotAtTimestamp(ts: bigint, constants: Pick<L1RollupConstants, 'l1GenesisTime' | 'slotDuration'>): SlotNumber;
/** Returns the timestamp of the next L1 slot boundary after the given wall-clock time. */
export declare function getNextL1SlotTimestamp(nowInSeconds: number, constants: Pick<L1RollupConstants, 'l1GenesisTime' | 'ethereumSlotDuration'>): bigint;
/** Returns the timestamp of the last L1 slot within a given L2 slot. */
export declare function getLastL1SlotTimestampForL2Slot(slot: SlotNumber, constants: Pick<L1RollupConstants, 'l1GenesisTime' | 'slotDuration' | 'ethereumSlotDuration'>): bigint;
/** Returns the L2 slot number at the next L1 block based on the current timestamp. */
export declare function getSlotAtNextL1Block(currentL1Timestamp: bigint, constants: Pick<L1RollupConstants, 'l1GenesisTime' | 'slotDuration' | 'ethereumSlotDuration'>): SlotNumber;
/** Returns the epoch number for a given timestamp. */
export declare function getEpochNumberAtTimestamp(ts: bigint, constants: Pick<L1RollupConstants, 'epochDuration' | 'slotDuration' | 'l1GenesisTime'>): EpochNumber;
/** Returns the epoch number for a given slot. */
export declare function getEpochAtSlot(slot: SlotNumber, constants: Pick<L1RollupConstants, 'epochDuration'>): EpochNumber;
/** Returns the range of L2 slots (inclusive) for a given epoch number. */
export declare function getSlotRangeForEpoch(epochNumber: EpochNumber, constants: Pick<L1RollupConstants, 'epochDuration'>): [SlotNumber, SlotNumber];
/**
 * Returns the range of L1 timestamps (inclusive) for a given epoch number.
 * Note that the endTimestamp is the start timestamp of the last L1 slot for the epoch.
 */
export declare function getTimestampRangeForEpoch(epochNumber: EpochNumber, constants: Pick<L1RollupConstants, 'l1GenesisTime' | 'slotDuration' | 'epochDuration' | 'ethereumSlotDuration'>): [bigint, bigint];
/**
 * Returns the start timestamp for a given epoch number.
 */
export declare function getStartTimestampForEpoch(epochNumber: EpochNumber, constants: Pick<L1RollupConstants, 'l1GenesisTime' | 'slotDuration' | 'epochDuration'>): bigint;
/**
 * Returns the epoch number at which proofs are no longer accepted for a given epoch.
 * See l1-contracts/src/core/libraries/TimeLib.sol
 */
export declare function getProofSubmissionDeadlineEpoch(epochNumber: EpochNumber, constants: Pick<L1RollupConstants, 'proofSubmissionEpochs'>): EpochNumber;
/**
 * Returns the deadline timestamp (in seconds) for submitting a proof for a given epoch.
 * Computed as the start of the given epoch plus the proof submission window.
 */
export declare function getProofSubmissionDeadlineTimestamp(epochNumber: EpochNumber, constants: Pick<L1RollupConstants, 'l1GenesisTime' | 'slotDuration' | 'epochDuration' | 'proofSubmissionEpochs'>): bigint;
/** Returns the timestamp to start building a block for a given L2 slot. Computed as the start timestamp of the slot minus one L1 slot duration. */
export declare function getSlotStartBuildTimestamp(slotNumber: SlotNumber, constants: Pick<L1RollupConstants, 'l1GenesisTime' | 'slotDuration' | 'ethereumSlotDuration'>): number;
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