import { AddressState, Transaction, Utxo } from "./interfaces";
/**
 * Utility class for keeping track of address state
 * via idempotent "add" and "remove" transaction events
 */
export declare class AddressTracker {
    protected address: string;
    protected transactions: Map<string, Transaction>;
    protected balance: {
        total: number;
        confirmed: number;
        mempool: number;
    };
    protected utxos: Map<string, Utxo>;
    private spent;
    private loadingApi;
    private pending;
    constructor(address: string);
    static from(state: AddressState): AddressTracker;
    /**
     * Returns the current state of the address in a JSON-friendly format
     */
    getState(): AddressState;
    hasTransaction(txid: string): boolean;
    /**
     * Update the address state with the effect of a transaction
     *
     * Idempotent, but the most recent confirmation status applies,
     * so ordering matters
     */
    addTransaction(tx: Transaction, fromWs?: boolean): void;
    /**
     * Undo the effect of a previously added transaction
     */
    removeTransaction(txid: string, fromWs?: boolean): void;
    /**
     * Call after all API transactions have been processed
     *
     * Drains any pending websocket events
     */
    onApiLoaded(): Promise<AddressState>;
    /**
     * Prepares for API transactions to be loaded
     */
    onApiLoading(): void;
}