/// <reference types="node" />
import * as React from 'react';
import { API as OnboardApi, Wallet, Initialization } from 'bnc-onboard/dist/src/interfaces';
import { providers } from 'ethers';
import { Tokens } from './tokensReducer';
export declare type OnboardConfig = Partial<Omit<Initialization, 'networkId'>>;
declare type EthGasStationSettings = 'fast' | 'fastest' | 'safeLow' | 'average';
declare type EtherchainGasSettings = 'safeLow' | 'standard' | 'fast' | 'fastest' | 'currentBaseFee' | 'recommendedBaseFee';
declare type EthGasnowSettings = 'fast' | 'standard' | 'slow';
declare type TokenConfig = {
    address: string;
    name?: string;
    symbol?: string;
    imageUri?: string;
    native: boolean;
    decimals: number;
};
declare type TokensToWatch = {
    [networkId: number]: TokenConfig[];
};
declare type BridgeConfig = {
    chainId: number;
    networkId: number;
    name: string;
    bridgeAddress: string;
    erc20HandlerAddress: string;
    rpcUrl: string;
    type: "Ethereum" | "Substrate";
    tokens: TokenConfig[];
    nativeTokenSymbol: string;
    nativeTokenDecimals: number;
    amplController: string;
    amplApprovalContract: string;
    blockExplorer: string;
    defaultGasPrice?: number;
    testnet?: boolean;
};
declare type Web3ContextProps = {
    cacheWalletSelection?: boolean;
    checkNetwork?: boolean;
    children: React.ReactNode;
    ethGasStationApiKey?: string;
    gasPricePollingInterval?: number;
    gasPriceSetting?: EthGasStationSettings | EtherchainGasSettings | EthGasnowSettings;
    networkIds?: number[];
    onboardConfig?: OnboardConfig;
    spenderAddress?: string;
    tokensToWatch?: TokensToWatch;
    ethGasPriceFromGasnow?: Boolean;
    useGasPricePoller?: Boolean;
    bridgeList?: BridgeConfig[];
    loopNativeTokenInterval?: number;
};
declare type Web3Context = {
    address?: string;
    ethBalance?: number;
    gasPrice: number;
    isReady: boolean;
    isMobile: boolean;
    network?: number;
    onboard?: OnboardApi;
    provider?: providers.Web3Provider;
    wallet?: Wallet;
    tokens: Tokens;
    walletConnecting?: boolean;
    timer?: NodeJS.Timer | null;
    checkIsReady(): Promise<boolean>;
    refreshGasPrice(): Promise<Number>;
    resetOnboard(): void;
    signMessage(message: string): Promise<string>;
    updateCurrentTokenBalance(address: string): void;
};
declare const Web3Context: React.Context<Web3Context | undefined>;
declare const Web3Provider: ({ children, onboardConfig, networkIds, ethGasStationApiKey, gasPricePollingInterval, gasPriceSetting, tokensToWatch, spenderAddress, cacheWalletSelection, checkNetwork, ethGasPriceFromGasnow, useGasPricePoller, bridgeList, loopNativeTokenInterval, }: Web3ContextProps) => JSX.Element;
declare const useWeb3: () => Web3Context;
export { Web3Provider, useWeb3, providers };