import BigNumber from 'bignumber.js';
import Web3 from 'web3';
import { Contract } from 'web3-eth-contract';
import { CallOptions, SendOptions, MakerOracleMessage, TxResult, address, BigNumberable, Price } from '../lib/types';
import { Contracts } from '../modules/Contracts';
/**
 * Used to read and update the Maker Oracle V2 Medianizer contract.
 */
export declare class Relayer {
    static relayers: {
        [address: string]: Relayer;
    };
    protected contracts: Contracts;
    protected web3: Web3;
    protected oracle: Contract;
    static fromAddress(contracts: Contracts, web3: Web3, address: string): Relayer;
    constructor(contracts: Contracts, web3: Web3, oracle?: Contract);
    get address(): string;
    /**
     * Get the timestamp of the latest update.
     */
    getAge(options?: CallOptions): Promise<BigNumber>;
    /**
     * Get the number of required signatures to update the oracle.
     */
    getBar(options?: CallOptions): Promise<number>;
    /**
     * Get whether an address is authorized to sign price messages.
     */
    getOrcl(signer: address, options?: CallOptions): Promise<boolean>;
    /**
     * Get whether an address is authorized to read the oracle price.
     */
    getBud(signer: address, options?: CallOptions): Promise<boolean>;
    /**
     * Get a signer address, given the signer ID (value of the first byte of the address).
     */
    getSlot(signerId: BigNumberable, options?: CallOptions): Promise<address>;
    /**
     * Get the value of the latest update, and a boolean indicating whether the price is nonzero.
     *
     * Must be called from an account with permission to read the oracle.
     */
    peek(options?: CallOptions): Promise<[BigNumber, boolean]>;
    /**
     * Get the value of the latest update. Throws if the price is zero.
     *
     * Must be called from an account with permission to read the oracle.
     */
    getValue(options?: CallOptions): Promise<BigNumber>;
    /**
     * Get the value of the latest update. Throws if the price is zero.
     *
     * Returns a Price object, which accounts for the on-chain 18 decimals fixed-point representation.
     * Must be called from an account with permission to read the oracle.
     */
    getPrice(options?: CallOptions): Promise<Price>;
    getPrivateValue(): Promise<{
        age: BigNumber;
        value: BigNumber;
    }>;
    getPrivatePrice(): Promise<{
        age: BigNumber;
        price: Price;
    }>;
    /**
     * Update the oracle.
     */
    poke(messages: MakerOracleMessage[], options?: SendOptions): Promise<TxResult>;
    /**
     * Authorize new signers.
     */
    lift(signers: address[], options?: SendOptions): Promise<TxResult>;
    /**
     * Unauthorize new signers.
     */
    drop(signers: address[], options?: SendOptions): Promise<TxResult>;
    /**
     * Set the required number of signers to update the price.
     */
    setBar(newBar: BigNumberable, options?: SendOptions): Promise<TxResult>;
    /**
     * Authorize addresses to read the oracle price.
     */
    kiss(readers: address | address[], options?: SendOptions): Promise<TxResult>;
    /**
     * Unauthorize addresses so they can no longer read the oracle price.
     */
    diss(readers: address | address[], options?: SendOptions): Promise<TxResult>;
}