import { Connection, ConnectionOptions } from '@uprtcl/evees';
import { ethers } from 'ethers';
export interface EthereumConnectionOptions {
    provider: string | ethers.providers.JsonRpcProvider;
}
export declare class EthereumConnection extends Connection {
    protected ethOptions: EthereumConnectionOptions;
    provider: ethers.providers.JsonRpcProvider;
    signer: ethers.providers.JsonRpcSigner | undefined;
    account: string;
    private network;
    private networkId;
    constructor(ethOptions?: EthereumConnectionOptions, options?: ConnectionOptions);
    /**
     * @override
     */
    connect(): Promise<void>;
    getLatestBlock(): Promise<number>;
    connectWallet(): Promise<void>;
    disconnectWallet(): Promise<void>;
    canSign(): boolean;
    /**
     * @returns the current used account for this ethereum connection
     */
    getCurrentAccount(): string;
    getNetworkId(): string;
    signText(text: string, account: string): Promise<string>;
    verifySignature(message: string, signature: string): Promise<string>;
}