import { ApiPromise } from "@polkadot/api";
import Big from "big.js";
import { Bitcoin, ExchangeRate, MonetaryAmount } from "@interlay/monetary-js";
import { InterbtcPrimitivesOracleKey } from "@polkadot/types/lookup";
import { CollateralCurrencyExt, CurrencyExt, WrappedCurrency } from "../types/currency";
import { ExtrinsicData } from "../types";
/**
 * @category BTC Bridge
 */
export interface OracleAPI {
    /**
     * @param currency The collateral currency as a `Monetary.js` object
     * @param wrappedCurrency The wrapped currency to use in the returned exchange rate type, defaults to `Bitcoin`
     * @returns The exchange rate between Bitcoin and the provided collateral currency
     */
    getExchangeRate(collateralCurrency: CurrencyExt, wrappedCurrency?: Bitcoin): Promise<ExchangeRate<Bitcoin, CurrencyExt>>;
    /**
     * Obtains the current fees for BTC transactions, in satoshi/byte.
     * @returns Big value for the current inclusion fees.
     */
    getBitcoinFees(): Promise<Big>;
    /**
     * @returns Last exchange rate time
     */
    getValidUntil(counterCurrency: CurrencyExt): Promise<Date>;
    /**
     * @returns A map from the oracle's account id to its name
     */
    getSourcesById(): Promise<Map<string, string>>;
    /**
     * @returns Boolean value indicating whether the oracle is online for currency
     * @param currency Currency for which we check status of oracle.
     */
    isOnline(currency: CurrencyExt): Promise<boolean>;
    /**
     * Create a transaction to set the exchange rate between Bitcoin and a collateral currency
     * @param exchangeRate The rate to set
     * @returns {ExtrinsicData} A submittable extrinsic and an event that is emitted when extrinsic is submitted.
     */
    setExchangeRate(exchangeRate: ExchangeRate<Bitcoin, CurrencyExt>): ExtrinsicData;
    /**
     * Create a transaction to set the current fee estimate for BTC transactions
     * @param fees Estimated Satoshis per bytes to get a transaction included
     * @returns {ExtrinsicData} A submittable extrinsic and an event that is emitted when extrinsic is submitted.
     */
    setBitcoinFees(fees: Big): ExtrinsicData;
    /**
     * @param amount The amount of wrapped tokens to convert
     * @param currency A `Monetary.js` object
     * @returns Converted value
     */
    convertWrappedToCurrency(amount: MonetaryAmount<WrappedCurrency>, currency: CurrencyExt): Promise<MonetaryAmount<CurrencyExt>>;
    /**
     * @param amount The amount of collateral tokens to convert
     * @returns Converted value
     */
    convertCollateralToWrapped(amount: MonetaryAmount<CollateralCurrencyExt>): Promise<MonetaryAmount<WrappedCurrency>>;
    /**
     * @returns The period of time (in milliseconds) after an oracle's last submission
     * during which it is considered online
     */
    getOnlineTimeout(): Promise<number>;
    /**
     * @param key A key defining an exchange rate or a BTC network fee estimate
     * @returns Whether the oracle entr for the given key has been updated
     */
    getRawValuesUpdated(key: InterbtcPrimitivesOracleKey): Promise<boolean>;
}
export declare class DefaultOracleAPI implements OracleAPI {
    private api;
    private wrappedCurrency;
    constructor(api: ApiPromise, wrappedCurrency: WrappedCurrency);
    getExchangeRate(currency: CurrencyExt): Promise<ExchangeRate<Bitcoin, CurrencyExt>>;
    convertWrappedToCurrency(amount: MonetaryAmount<WrappedCurrency>, currency: CurrencyExt): Promise<MonetaryAmount<CurrencyExt>>;
    convertCollateralToWrapped(amount: MonetaryAmount<CollateralCurrencyExt>): Promise<MonetaryAmount<WrappedCurrency>>;
    getOnlineTimeout(): Promise<number>;
    setExchangeRate(exchangeRate: ExchangeRate<Bitcoin, CurrencyExt>): ExtrinsicData;
    getBitcoinFees(): Promise<Big>;
    setBitcoinFees(fees: Big): ExtrinsicData;
    getSourcesById(): Promise<Map<string, string>>;
    getValidUntil(counterCurrency: CurrencyExt): Promise<Date>;
    isOnline(currency: CurrencyExt): Promise<boolean>;
    getRawValuesUpdated(key: InterbtcPrimitivesOracleKey): Promise<boolean>;
}