import type { Hex } from '@metamask/utils';
import type { Transaction as NonceTrackerTransaction } from 'nonce-tracker/dist/NonceTracker';
import type { GasPriceValue, FeeMarketEIP1559Values } from './TransactionController';
import type { Transaction, TransactionMeta, TransactionStatus } from './types';
export declare const ESTIMATE_GAS_ERROR = "eth_estimateGas rpc method error";
/**
 * Normalizes properties on a Transaction object.
 *
 * @param transaction - Transaction object to normalize.
 * @returns Normalized Transaction object.
 */
export declare function normalizeTransaction(transaction: Transaction): Transaction;
/**
 * Validates a Transaction object for required properties and throws in
 * the event of any validation error.
 *
 * @param transaction - Transaction object to validate.
 */
export declare function validateTransaction(transaction: Transaction): void;
/**
 * Checks if a transaction is EIP-1559 by checking for the existence of
 * maxFeePerGas and maxPriorityFeePerGas within its parameters.
 *
 * @param transaction - Transaction object to add.
 * @returns Boolean that is true if the transaction is EIP-1559 (has maxFeePerGas and maxPriorityFeePerGas), otherwise returns false.
 */
export declare const isEIP1559Transaction: (transaction: Transaction) => boolean;
export declare const validateGasValues: (gasValues: GasPriceValue | FeeMarketEIP1559Values) => void;
export declare const isFeeMarketEIP1559Values: (gasValues?: GasPriceValue | FeeMarketEIP1559Values | undefined) => gasValues is FeeMarketEIP1559Values;
export declare const isGasPriceValue: (gasValues?: GasPriceValue | FeeMarketEIP1559Values | undefined) => gasValues is GasPriceValue;
export declare const getIncreasedPriceHex: (value: number, rate: number) => string;
export declare const getIncreasedPriceFromExisting: (value: string | undefined, rate: number) => string;
/**
 * Validates that the proposed value is greater than or equal to the minimum value.
 *
 * @param proposed - The proposed value.
 * @param min - The minimum value.
 * @returns The proposed value.
 * @throws Will throw if the proposed value is too low.
 */
export declare function validateMinimumIncrease(proposed: string, min: string): string;
/**
 * Helper function to filter and format transactions for the nonce tracker.
 *
 * @param fromAddress - Address of the account from which the transactions to filter from are sent.
 * @param transactionStatus - Status of the transactions for which to filter.
 * @param transactions - Array of transactionMeta objects that have been prefiltered.
 * @returns Array of transactions formatted for the nonce tracker.
 */
export declare function getAndFormatTransactionsForNonceTracker(fromAddress: string, transactionStatus: TransactionStatus, transactions: TransactionMeta[]): NonceTrackerTransaction[];
/**
 * Checks whether a given transaction matches the specified network or chain ID.
 * This function is used to determine if a transaction is relevant to the current network or chain.
 *
 * @param transaction - The transaction metadata to check.
 * @param chainId - The chain ID of the current network.
 * @param networkId - The network ID of the current network.
 * @returns A boolean value indicating whether the transaction matches the current network or chain ID.
 */
export declare function transactionMatchesNetwork(transaction: TransactionMeta, chainId: Hex, networkId: string | null): boolean;
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