import BigNumber from 'bignumber.js';
import { Models } from '@open-rights-exchange/chain-js';
import { BN, BNLike } from 'ethereumjs-util';
import { EthereumKeyPair } from './cryptoModels';
/** Category of chain functions - useful in error mapping */
export declare enum ChainFunctionCategory {
    Block = "Block",
    ChainState = "ChainState",
    Contract = "Contract",
    Transaction = "Transaction"
}
export declare enum EthereumBlockType {
    Earliest = "earliest",
    Genesis = "genesis",
    Latest = "latest",
    Pending = "pending"
}
/** Chain configuation for creating a new chain connection and sending transaction */
export type EthereumChainSettings = {
    chainForkType?: EthereumChainForkType;
    communicationSettings?: Models.ChainSettingsCommunicationSettings;
    defaultTransactionSettings: {
        executionPriority: Models.TxExecutionPriority;
        maxFeeIncreasePercentage?: number;
    };
    ethereumTokenEquivalenceMapping?: any;
};
export type EthereumChainForkType = {
    chainName: string;
    hardFork: string;
};
export type EthereumChainInfo = {
    headBlockNumber: number;
    headBlockTime: Date;
    version: string;
    nativeInfo: EthereumNativeChainInfo;
};
export type EthereumNativeChainInfo = {
    chainId: number;
    gasLimit: number;
    gasUsed: number;
    /** current chain gas price in Wei */
    currentGasPrice: string;
};
/** Chain urls and related details used to connect to chain */
export type EthereumChainEndpoint = {
    /** api endpoint url - including http(s):// prefix */
    url: string;
    /** Options are same as defined in web3-core-helpers.HttpProviderOptions - https://github.com/ethereum/web3.js/tree/1.x/packages/web3-providers-http#usage
     *  Except: Headers are provided here as {'headerName':'headerValue'} and mapped to EthereumHttpHeader format {name:string, value:string} */
    options?: {
        keepAlive?: boolean;
        timeout?: number;
        /** Array of headers to be included in HTTP requests to chain endpoint
         *  e.g. options.headers = [{"Authorization":"Bearer..."}] */
        headers?: [{
            [key: string]: string;
        }];
        withCredentials?: boolean;
        /** Type HttpAgent - from web3-core-helpers */
        agent?: any;
    };
    /** between 0 and 1 - 0 is not responding, 1 is very fast */
    health?: number;
};
export type EthereumChainSettingsCommunicationSettings = {
    blocksToCheck?: number;
    checkInterval?: number;
    getBlockAttempts?: number;
};
export type EthereumBlockNumber = string | number | BN | BigNumber | EthereumBlockType;
export type EthereumDate = string & Models.ChainDateBrand;
export type EthereumEntityName = string & Models.ChainEntityNameBrand;
export type EthereumSymbol = string & Models.ChainSymbolBrand;
export type EthereumGeneratedKeys = EthereumKeyPair;
export type EthereumNewKeysOptions = {
    password: string;
    encryptionOptions?: Models.ModelsCryptoAes.AesEncryptionOptions;
};
export type EthereumString = {
    string: string;
};
export type EthereumMultiValue = BNLike;
/** Ethereum value units */
export declare enum EthUnit {
    Noether = "noether",
    Wei = "wei",
    Kwei = "kwei",
    femtoether = "femtoether",
    Lovelace = "lovelace",
    Mwei = "mwei",
    Babbage = "babbage",
    Picoether = "picoether",
    Qwei = "gwei",
    Gwei = "Gwei",
    Shannon = "shannon",
    Nanoether = "nanoether",
    Nano = "nano",
    Szabo = "szabo",
    Microether = "microether",
    Micro = "micro",
    Finney = "finney",
    Milliether = "milliether",
    Milli = "milli",
    Ether = "ether",
    Kether = "kether",
    Grand = "grand",
    Mether = "mether",
    Gether = "gether",
    Thether = "tether"
}
/** a map between alternate formats of a unit string and supported unit string */
export declare const AlternateUnitMap: {
    from: string;
    to: string;
}[];
export declare const EthereumJSCommonChains: {
    Mainnet: string;
    MainnetId: number;
    Ropsten: string;
    RopstenId: number;
    Rinkeby: string;
    RinkebyId: number;
    Kovan: string;
    KovanId: number;
    Goerli: string;
    GoerliId: number;
    Sepolia: string;
    SepoliaId: number;
};