import type { Address } from "viem";
import type { CustomContract, Source } from "./types/etherbase";
export default function useEtherbase(): {
    createSource: () => Promise<{
        receipt: import("viem").TransactionReceipt;
        sourceAddress: `0x${string}`;
    }>;
    sources: Source[];
    fetchSources: () => Promise<void>;
    customContracts: CustomContract[];
    fetchCustomContracts: () => Promise<void>;
    addCustomContract: (contractAddress: Address, contractAbi: string) => Promise<boolean>;
    deleteCustomContract: (contractAddress: Address) => Promise<boolean>;
};