import { AssetInfo, BaseXChainClient, ExplorerProviders, FeeRates, Fees, Network, PreparedTx, Protocol, TxHash, TxHistoryParams, XChainClientParams } from '@xchainjs/xchain-client';
import { EvmOnlineDataProviders } from '@xchainjs/xchain-evm-providers';
import { Address, Asset, Chain, TokenAsset } from '@xchainjs/xchain-util';
import { Provider } from 'ethers';
import BigNumber from 'bignumber.js';
import { ApproveParams, Balance, CallParams, EstimateApproveParams, EstimateCallParams, EvmDefaults, FeesWithGasPricesAndLimits, GasPrices, ISigner, IsApprovedParams, Tx, TxParams, TxsPage } from '../types';
export interface EVMClient {
    approve(params: ApproveParams): Promise<string>;
    awaitTxConfirmed(hash: string): Promise<void>;
}
/**
 * Parameters for configuring the EVM client.
 */
export type EVMClientParams = XChainClientParams & {
    chain: Chain;
    gasAsset: Asset;
    gasAssetDecimals: number;
    defaults: Record<Network, EvmDefaults>;
    providers: Record<Network, Provider>;
    explorerProviders: ExplorerProviders;
    dataProviders: EvmOnlineDataProviders[];
    signer?: ISigner;
};
/**
 * Custom EVM client class.
 */
export declare class Client extends BaseXChainClient implements EVMClient {
    readonly config: Omit<EVMClientParams, 'signer'>;
    protected signer?: ISigner;
    protected defaults: Record<Network, EvmDefaults>;
    private cachedNetworkId;
    /**
     * Constructor for the EVM client.
     * @param {EVMClientParams} params - Parameters for configuring the EVM client.
     */
    constructor({ chain, gasAsset, gasAssetDecimals, defaults, network, feeBounds, providers, rootDerivationPaths, explorerProviders, dataProviders, signer, }: EVMClientParams);
    /**
     * Retrieves the Ethereum Provider interface.
     * @returns {Provider} The current Ethereum Provider interface.
     */
    getProvider(): Provider;
    /**
     * Retrieves the explorer URL based on the current network.
     * @returns {string} The explorer URL for Ethereum based on the current network.
     */
    getExplorerUrl(): string;
    /**
     * Retrieves asset information.
     * @returns {AssetInfo} Asset information containing the asset and its decimal places.
     */
    getAssetInfo(): AssetInfo;
    /**
     * Retrieves the explorer URL for a given address.
     * @param {Address} address - The address to retrieve the explorer URL for.
     * @returns {string} The explorer URL for the given address.
     */
    getExplorerAddressUrl(address: Address): string;
    /**
     * Retrieves the explorer URL for a given transaction ID.
     * @param {string} txID - The transaction ID to retrieve the explorer URL for.
     * @returns {string} The explorer URL for the given transaction ID.
     */
    getExplorerTxUrl(txID: string): string;
    /**
     * Sets or updates the current network.
     * @param {Network} network - The network to set or update.
     * @returns {void}
     * @throws {"Network must be provided"} Thrown if the network has not been set before.
     */
    setNetwork(network: Network): void;
    /**
     * @throws {Error} Method not implement
     */
    getAddress(): string;
    getAddressAsync(walletIndex?: number, verify?: boolean): Promise<string>;
    /**
     * Validate the given address.
     *
     * @param {Address} address
     * @returns {boolean} `true` or `false`
     */
    validateAddress(address: Address): boolean;
    /**
     * Retrieves the balance of a given address.
     * @param {Address} address - The address to retrieve the balance for.
     * @param {Asset[]} assets - Assets to retrieve the balance for (optional).
     * @returns {Promise<Balance[]>} An array containing the balance of the address.
     * @throws {"Invalid asset"} Thrown when the provided asset is invalid.
     */
    getBalance(address: Address, assets?: TokenAsset[]): Promise<Balance[]>;
    /**
     * Retrieves the transaction history of a given address with pagination options.
     * @param {TxHistoryParams} params - Options to get transaction history (optional).
     * @returns {Promise<TxsPage>} The transaction history.
     */
    getTransactions(params?: TxHistoryParams): Promise<TxsPage>;
    /**
     * Retrieves the transaction details of a given transaction ID.
     * @param {string} txId - The transaction ID.
     * @param {string} assetAddress - The asset address (optional).
     * @returns {Promise<Tx>} The transaction details of the given transaction ID.
     * @throws {"Need to provide valid txId"} Thrown if the provided transaction ID is invalid.
     */
    getTransactionData(txId: string, assetAddress?: Address): Promise<Tx>;
    /**
     * Estimates the gas required for calling a contract function.
     * @param {Address} contractAddress The contract address.
     * @param {ContractInterface} abi The contract ABI json.
     * @param {string} funcName The function to be called.
     * @param {any[]} funcParams The parameters of the function.
     * @param {number} walletIndex (optional) HD wallet index
     * @param {EstimateCallParams} params - Parameters for estimating gas.
     * @returns {BigNumber}  The estimated gas required for the contract function call.
     */
    estimateCall({ contractAddress, abi, funcName, funcParams }: EstimateCallParams): Promise<BigNumber>;
    /**
     * Check allowance.
     *
     * @param {Address} contractAddress The contract address.
     * @param {Address} spenderAddress The spender address.
     * @param {BaseAmount} amount The amount to check if it's allowed to spend or not (optional).
     * @param {number} walletIndex (optional) HD wallet index
     * @param {IsApprovedParams} params - Parameters for checking allowance.
     * @returns {boolean} `true` if the allowance is approved, `false` otherwise.
     */
    isApproved({ contractAddress, spenderAddress, amount, walletIndex }: IsApprovedParams): Promise<boolean>;
    /**
     * Estimates the gas required for approving an allowance.
     *
     * @param {EstimateApproveParams} params - Parameters for estimating gas.
     * @param {Address} contractAddress The contract address.
     * @param {Address} spenderAddress The spender address.
     * @param {Address} fromAddress The address the approve transaction is sent from.
     * @param {BaseAmount} amount The amount of token. By default, it will be unlimited token allowance. (optional)
     *
     * @returns {BigNumber} The estimated gas required for the approval.
     */
    estimateApprove({ fromAddress, contractAddress, spenderAddress, amount, }: EstimateApproveParams): Promise<BigNumber>;
    /**
     * Broadcasts a transaction.
     * @param {string} txHex - The transaction in hexadecimal format.
     * @returns {Promise<TxHash>} The transaction hash.
     */
    broadcastTx(txHex: string): Promise<TxHash>;
    /**
     * Estimates gas prices (average, fast, fastest) for a transaction.
     * @param {Protocol} protocol The protocol to use for estimating gas prices.
     * @returns {GasPrices} The gas prices (average, fast, fastest) in `Wei` (`BaseAmount`)
     */
    estimateGasPrices(protocol?: Protocol): Promise<GasPrices>;
    /**
     * Estimates gas limit for a transaction.
     *
     * @param {TxParams} params The transaction and fees options.
     * @returns {BaseAmount} The estimated gas limit.
     * @throws Error Thrown if address could not be parsed from the given ERC20 asset.
     */
    estimateGasLimit({ asset, recipient, amount, memo, from, isMemoEncoded, }: TxParams & {
        from?: Address;
    }): Promise<BigNumber>;
    /**
     * Checks if the given asset matches the gas asset.
     *
     * @param {Asset} asset - The asset to check.
     * @returns {boolean} True if the asset matches the gas asset, false otherwise.
     */
    private isGasAsset;
    /**
     * Estimates gas prices/limits (average, fast, fastest) and fees for a transaction.
     *
     * @param {TxParams} params The transaction parameters.
     * @returns {FeesWithGasPricesAndLimits} The estimated gas prices/limits and fees.
     */
    estimateFeesWithGasPricesAndLimits(params: TxParams): Promise<FeesWithGasPricesAndLimits>;
    /**
     * Wait until tx is confirmed
     * @param {string} hash - tx's hash
     */
    awaitTxConfirmed(hash: string): Promise<void>;
    /**
     * Get transaction fees.
     *
     * @param {TxParams} params - The transaction parameters.
     * @returns {Fees} The average, fast, and fastest fees.
     * @throws {"Params need to be passed"} Thrown if parameters are not provided.
     */
    getFees(): never;
    getFees(params: TxParams): Promise<Fees>;
    /**
     * Retrieves the balance of an address by round-robin querying multiple data providers.
     *
     * @param {Address} address - The address to query the balance for.
     * @param {Asset[]} [assets] - Optional list of assets to query the balance for.
     * @returns {Promise<Balance[]>} The balance information for the address.
     * @throws Error Thrown if no provider is able to retrieve the balance.
     */
    protected roundRobinGetBalance(address: Address, assets?: TokenAsset[]): Promise<Balance[]>;
    /**
     * Retrieves transaction data by round-robin querying multiple data providers.
     *
     * @param {string} txId - The transaction ID.
     * @param {string} [assetAddress] - Optional asset address.
     * @returns {Promise<Tx>} The transaction data.
     * @throws Error Thrown if no provider is able to retrieve the transaction data.
     */
    protected roundRobinGetTransactionData(txId: string, assetAddress?: string): Promise<Tx>;
    /**
     * Retrieves transaction history by round-robin querying multiple data providers.
     *
     * @param {TxHistoryParams} params - The transaction history parameters.
     * @returns {Promise<TxsPage>} The transaction history.
     * @throws Error Thrown if no provider is able to retrieve the transaction history.
     */
    protected roundRobinGetTransactions(params: TxHistoryParams): Promise<TxsPage>;
    /**
     * Retrieves fee rates by round-robin querying multiple data providers.
     *
     * @returns {Promise<FeeRates>} The fee rates.
     * @throws Error Thrown if no provider is able to retrieve the fee rates.
     */
    protected roundRobinGetFeeRates(): Promise<FeeRates>;
    /**
     * Prepares a transaction for transfer.
     *
     * @param {TxParams&Address&FeeOption&BaseAmount&BigNumber} params - The transfer options.
     * @returns {Promise<PreparedTx>} The raw unsigned transaction.
     * @throws Error Thrown if the provided asset chain does not match the client's chain, or if any of the addresses are invalid.
     */
    prepareTx({ sender, asset, memo, amount, recipient, isMemoEncoded, }: TxParams & {
        sender: Address;
    }): Promise<PreparedTx>;
    /**
     * Prepares an approval transaction.
     *
     * @param {ApproveParams&Address&FeeOption&BaseAmount&BigNumber} params - The approval options.
     * @returns {Promise<PreparedTx>} The raw unsigned transaction.
     * @throws Error Thrown if any of the addresses are invalid.
     */
    prepareApprove({ contractAddress, spenderAddress, amount, sender, }: ApproveParams & {
        sender: string;
    }): Promise<PreparedTx>;
    /**
     * Call a contract function.
     * @param {signer} Signer (optional) The address a transaction is send from. If not set, signer will be defined based on `walletIndex`
     * @param {Address} contractAddress The contract address.
     * @param {number} walletIndex (optional) HD wallet index
     * @param {ContractInterface} abi The contract ABI json.
     * @param {string} funcName The function to be called.
     * @param {unknown[]} funcParams (optional) The parameters of the function.
     * @param {CallParams} params - Parameters for calling the contract function.
     * @returns {T} The result of the contract function call..
     */
    call<T>({ contractAddress, abi, funcName, funcParams, signer }: CallParams): Promise<T>;
    /**
     * Transfers ETH or ERC20 token
     *
     * Note: A given `feeOption` wins over `gasPrice` and `gasLimit`
     *
     * @param {TxParams} params The transfer options.
     * @param {feeOption} FeeOption Fee option (optional)
     * @param {gasPrice} BaseAmount Gas price (optional)
     * @param {maxFeePerGas} BaseAmount Optional. Following EIP-1559, maximum fee per gas. Parameter not compatible with gasPrice
     * @param {maxPriorityFeePerGas} BaseAmount Optional. Following EIP-1559, maximum priority fee per gas. Parameter not compatible with gasPrice
     * @param {gasLimit} BigNumber Gas limit (optional)
     * @throws Error Thrown if address of given `Asset` could not be parsed
     * @throws {Error} Error thrown if not compatible fee parameters are provided
     * @returns {TxHash} The transaction hash.
     */
    transfer({ walletIndex, asset, memo, amount, recipient, feeOption, gasPrice, maxFeePerGas, maxPriorityFeePerGas, gasLimit, isMemoEncoded, }: TxParams): Promise<string>;
    /**
     * Approves an allowance for spending tokens.
     *
     * @param {ApproveParams} params - Parameters for approving an allowance.
     * @param {Address} contractAddress The contract address.
     * @param {Address} spenderAddress The spender address.
     * @param {feeOption} FeeOption Fee option (optional)
     * @param {BaseAmount} amount The amount of token. By default, it will be unlimited token allowance. (optional)
     * @param {number} walletIndex (optional) HD wallet index
     * @returns {TransactionResponse} The result of the approval transaction.
     * @throws Error If gas estimation fails.
     */
    approve({ contractAddress, spenderAddress, feeOption, amount, walletIndex, }: ApproveParams): Promise<string>;
    /**
     * Purge client
     */
    purgeClient(): void;
    /**
     * Get the account signer the client is using
     * @returns {ISigner}
     * @throws {Error} if the client is not using an account
     */
    protected getSigner(): ISigner;
}