import type { Provider, TransactionReceipt, TransactionResponse } from 'ethers';
import type { ApiAuth } from '../types/interfaces/auth.interface';
import type { ContractMetadata } from '../types/contracts/token.contract';
/**
 *
 * Retrieves the metadata of an NFT smart contract from the Alchemy or Infura API.
 *
 * @async
 * @function
 * @param {string} contractAddress - The Ethereum address of the smart contract to retrieve metadata for.
 * @param {{ alchemy: string | undefined, infura: string | undefined }} apiAuth - An object containing the API authentication data for the Ethereum API providers.
 * @returns {Promise<ContractMetadata>} - A promise that resolves with the metadata of the smart contract.
 **/
declare const getContractMetadata: (contractAddress: string, apiAuth: ApiAuth) => Promise<ContractMetadata>;
/**
 *
 * Retrieves the metadata of an NFT from the Alchemy or Infura API.
 *
 * @async
 * @function
 * @param {string} contractAddress - The Ethereum address of the NFT's smart contract.
 * @param {string} tokenId - The ID of the NFT to retrieve metadata for.
 * @param {{ alchemy: string | undefined, infura: string | undefined }} apiAuth - An object containing the API authentication data for the Ethereum API providers.
 * @returns {Promise<{ name?: string | undefined; image: string }>} - A promise that resolves with the metadata of the NFT.
 **/
declare const getNftMetadata: (contractAddress: string, tokenId: string, apiAuth: ApiAuth) => Promise<{
    name?: string | undefined;
    image: string;
}>;
/**
 *
 * Retrieves the ENS name associated with an Ethereum address from the provider.
 *
 * @async
 * @function
 * @param {string} address - The Ethereum address to retrieve the ENS name for.
 * @param {Provider} provider - The Ethereum provider to retrieve the ENS name from.
 * @returns {Promise<string | null>} ENS name associated with the address, or null if no ENS name is found.
 **/
declare const getENSName: (address: string, provider: Provider) => Promise<string | null>;
/**
 *
 * Retrieves the OpenSea username associated with an Ethereum address from the OpenSea API.
 *
 * @async
 * @function
 * @param {string} address - The Ethereum address to retrieve the OpenSea username for.
 * @returns {Promise<string | null>} OpenSea username associated with the address, or null if no username is found.
 **/
declare const getOpenseaName: (address: string) => Promise<string | null>;
/**
 *
 * Shortens an Ethereum address to its first 6 and last 4 characters, with '...' in between.
 * Example: 0x1234567890abcdef1234567890abcdef12345678 -> 0x1234...5678
 *
 * @function
 * @param {string} address - The Ethereum address to be shortened.
 * @throws {Error} Throws an error if the address provided is not a valid Ethereum address.
 * @returns {string} - The shortened Ethereum address.
 **/
declare const shortenAddress: (address: string) => string;
/**
 *
 * Retrieves a readable name for an Ethereum address.
 *
 * @function
 * @param {string} address - The Ethereum address to retrieve a readable name for.
 * @param {Provider} provider - The Ethereum provider to retrieve the ENS name from.
 * @returns {Promise<string>} - A promise that resolves with the readable name associated with the address.
 **/
declare const getReadableName: (address: string, provider: Provider) => Promise<string>;
/**
 *
 * Retrieves the current Ethereum price in USD by making an API request to Etherscan.
 *
 * @async
 * @function
 * @param {number} ethPrice - The ETH price to be converted to USD.
 * @param {string} etherscanApiKey - The API key to be used for the Etherscan API request.
 * @returns {Promise<string>} - The current Ethereum price in USD.
 **/
declare const getEthUsdPrice: (ethPrice: number, etherscanApiKey: string) => Promise<string>;
/**
 *
 * Retrieves a transaction with the specified transaction hash from
 * the specified Ethereum provider.
 *
 * @function
 * @param {string} transactionHash - The transaction hash to retrieve.
 * @param {Provider} provider - The Ethereum provider to retrieve the transaction from.
 * @returns {Promise<TransactionResponse>} - The transaction object.
 **/
declare const getTransaction: (transactionHash: string, provider: Provider) => Promise<TransactionResponse>;
/**
 *
 * Retrieves a transaction receipt with the specified transaction hash
 * from the specified Ethereum provider.
 *
 * @async
 * @function
 * @param {string} transactionHash - The transaction hash to retrieve the receipt for.
 * @param {Provider} provider - The Ethereum provider to retrieve the receipt from.
 * @returns {Promise<TransactionReceipt>} Transaction receipt object.
 **/
declare const getTransactionReceipt: (transactionHash: string, provider: Provider) => Promise<TransactionReceipt>;
export { getENSName, getNftMetadata, getContractMetadata, getEthUsdPrice, shortenAddress, getOpenseaName, getReadableName, getTransaction, getTransactionReceipt };
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