import { Fr } from '@aztec/foundation/curves/bn254';
import { type LoggerBindings } from '@aztec/foundation/log';
import type { FunctionSelector } from '@aztec/stdlib/abi';
import type { AztecAddress } from '@aztec/stdlib/aztec-address';
import { type ContractClassPublic, type ContractDataSource, type ContractDeploymentData, type ContractInstanceWithAddress } from '@aztec/stdlib/contract';
import type { MerkleTreeWriteOperations } from '@aztec/stdlib/interfaces/server';
import { MerkleTreeId } from '@aztec/stdlib/trees';
import { TreeSnapshots, type Tx } from '@aztec/stdlib/tx';
import type { UInt64 } from '@aztec/stdlib/types';
import type { PublicContractsDBInterface, PublicStateDBInterface } from './db_interfaces.js';
/**
 * Implements the PublicContractsDBInterface using a ContractDataSource.
 * Uses a stack-based checkpoint model for managing contract state.
 */
export declare class PublicContractsDB implements PublicContractsDBInterface {
    private dataSource;
    private contractStateStack;
    private log;
    constructor(dataSource: ContractDataSource, bindings?: LoggerBindings);
    /** Parses raw log data from the C++/NAPI bridge and inserts the resulting contracts into the current checkpoint. */
    addContractsFromLogs(contractDeploymentData: ContractDeploymentData): void;
    addNewContracts(tx: Tx): void;
    /** Inserts typed contract instances directly into the current checkpoint. */
    addContracts(contractInstances?: ContractInstanceWithAddress[]): void;
    /**
     * Creates a new checkpoint, copying the current state for upcoming modifications,
     * and enabling rollbacks to current state in case of a revert.
     */
    createCheckpoint(): void;
    /**
     * Commits the current checkpoint, accepting its state latest.
     */
    commitCheckpoint(): void;
    /**
     * Commits the current checkpoint, not erroring if there is no checkpoint
     * to commit. This is useful to do a sanity commit at the end of tx execution,
     * doing nothing if the checkpoint was already reverted, but truly committing
     * otherwise.
     */
    commitCheckpointOkIfNone(): void;
    /**
     * Reverts the current checkpoint, discarding its state and rolling back
     * to the state as of the latest checkpoint.
     */
    revertCheckpoint(): void;
    private getCurrentState;
    getContractInstance(address: AztecAddress, timestamp: UInt64): Promise<ContractInstanceWithAddress | undefined>;
    getContractClass(contractClassId: Fr): Promise<ContractClassPublic | undefined>;
    getBytecodeCommitment(contractClassId: Fr): Promise<Fr | undefined>;
    getDebugFunctionName(address: AztecAddress, selector: FunctionSelector): Promise<string | undefined>;
    private addContractClassesFromEvents;
    private addContractInstancesFromEvents;
}
/**
 * A high-level class that provides access to the merkle trees.
 *
 * This class is just a helper wrapper around a merkle db. Anything that you can do with it
 * can also be done directly with the merkle db. This class should NOT be exposed or used
 * outside of `simulator/src/public`.
 *
 * NOTE: This class is currently written in such a way that it would generate the
 * necessary hints if used with a hinting merkle db. This is a bit of a leak of concepts.
 * Eventually we can have everything depend on a config/factory at the TxSimulator level
 * to decide whether to use hints or not (same with tracing, etc).
 */
export declare class PublicTreesDB implements PublicStateDBInterface {
    private readonly db;
    private logger;
    constructor(db: MerkleTreeWriteOperations, bindings?: LoggerBindings);
    storageRead(contract: AztecAddress, slot: Fr): Promise<Fr>;
    storageWrite(contract: AztecAddress, slot: Fr, newValue: Fr): Promise<void>;
    getL1ToL2LeafValue(leafIndex: bigint): Promise<Fr>;
    getNoteHash(leafIndex: bigint): Promise<Fr>;
    writeNoteHash(noteHash: Fr): Promise<void>;
    checkNullifierExists(nullifier: Fr): Promise<boolean>;
    writeNullifier(siloedNullifier: Fr): Promise<void>;
    padTree(treeId: MerkleTreeId, leavesToInsert: number): Promise<void>;
    createCheckpoint(): Promise<void>;
    commitCheckpoint(): Promise<void>;
    revertCheckpoint(): Promise<void>;
    getTreeSnapshots(): Promise<TreeSnapshots>;
}
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