/// <reference types="node" resolution-mode="require"/>
import { EthAddress, FunctionSelector } from '@aztec/circuits.js';
import { AztecAddress } from '@aztec/foundation/aztec-address';
import { Fr } from '@aztec/foundation/fields';
import { MessageLoadOracleInputs } from '../acvm/index.js';
/**
 * Database interface for providing access to public state.
 */
export interface PublicStateDB {
    /**
     * Reads a value from public storage, returning zero if none.
     * @param contract - Owner of the storage.
     * @param slot - Slot to read in the contract storage.
     * @returns The current value in the storage slot.
     */
    storageRead(contract: AztecAddress, slot: Fr): Promise<Fr>;
    /**
     * Records a write to public storage.
     * @param contract - Owner of the storage.
     * @param slot - Slot to read in the contract storage.
     * @param newValue - The new value to store.
     * @returns Nothing.
     */
    storageWrite(contract: AztecAddress, slot: Fr, newValue: Fr): Promise<void>;
    /**
     * Commit the pending changes to the DB.
     * @returns Nothing.
     */
    commit(): Promise<void>;
    /**
     * Rollback the pending changes.
     * @returns Nothing.
     */
    rollback(): Promise<void>;
}
/**
 * Database interface for providing access to public contract data.
 */
export interface PublicContractsDB {
    /**
     * Returns the brillig (public bytecode) of a function.
     * @param address - The contract address that owns this function.
     * @param selector - The selector for the function.
     * @returns The bytecode or undefined if not found.
     */
    getBytecode(address: AztecAddress, selector: FunctionSelector): Promise<Buffer | undefined>;
    /**
     * Returns whether a function is internal or not.
     * @param address - The contract address that owns this function.
     * @param selector - The selector for the function.
     * @returns The `isInternal` flag found, undefined if not found.
     */
    getIsInternal(address: AztecAddress, selector: FunctionSelector): Promise<boolean | undefined>;
    /**
     * Returns the portal contract address for an L2 address.
     * @param address - The L2 contract address.
     * @returns The portal contract address or undefined if not found.
     */
    getPortalContractAddress(address: AztecAddress): Promise<EthAddress | undefined>;
}
/** Database interface for providing access to commitment tree and l1 to l2 message tree (append only data trees). */
export interface CommitmentsDB {
    /**
     * Gets a confirmed L1 to L2 message for the given message key.
     * TODO(Maddiaa): Can be combined with aztec-node method that does the same thing.
     * @param msgKey - The message Key.
     * @returns - The l1 to l2 message object
     */
    getL1ToL2Message(msgKey: Fr): Promise<MessageLoadOracleInputs>;
    /**
     * Gets the index of a commitment in the note hash tree.
     * @param commitment - The commitment.
     * @returns - The index of the commitment. Undefined if it does not exist in the tree.
     */
    getCommitmentIndex(commitment: Fr): Promise<bigint | undefined>;
}
//# sourceMappingURL=db.d.ts.map