import BigNumber from 'bignumber.js';
import { Contract } from '@ethersproject/contracts';
import type { TokenConfig, Tx } from '@irys/upload-core';
import EthereumConfig from './ethereum';
export interface ERC20TokenConfig extends TokenConfig {
    contractAddress: string;
}
export declare class BaseERC20Token extends EthereumConfig {
    contractInstance: Contract;
    contractAddress: string;
    constructor(config: ERC20TokenConfig);
    getContract(): Promise<Contract>;
    getTx(txId: string): Promise<Tx>;
    getFee(amount: BigNumber.Value, to?: string): Promise<BigNumber>;
    createTx(amount: BigNumber.Value, to: string, _fee?: string): Promise<{
        txId: string | undefined;
        tx: any;
    }>;
}
export default BaseERC20Token;
export declare const erc20abi: ({
    constant: boolean;
    inputs: {
        name: string;
        type: string;
    }[];
    name: string;
    outputs: {
        name: string;
        type: string;
    }[];
    payable: boolean;
    stateMutability: string;
    type: string;
    anonymous?: undefined;
} | {
    payable: boolean;
    stateMutability: string;
    type: string;
    constant?: undefined;
    inputs?: undefined;
    name?: undefined;
    outputs?: undefined;
    anonymous?: undefined;
} | {
    anonymous: boolean;
    inputs: {
        indexed: boolean;
        name: string;
        type: string;
    }[];
    name: string;
    type: string;
    constant?: undefined;
    outputs?: undefined;
    payable?: undefined;
    stateMutability?: undefined;
})[];