import type { Web3Provider } from '@ethersproject/providers';
import type { Contracts, ContractsAddresses } from './contracts';
declare type State = {
    walletProvider: Web3Provider;
    selectedChainId: number;
    readContracts: Contracts;
    writeContracts: Contracts;
    contractAddresses: ContractsAddresses;
    tokenDecimals: number | Promise<number>;
    rateDecimals: number | Promise<number>;
};
declare const state: State;
export declare const setContractAddresses: (contractAddresses: ContractsAddresses) => void;
export declare const setWalletProvider: (walletProvider: Web3Provider) => void;
export declare const setSelectedChainId: (selectedChainId: number) => void;
export default state;
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