@nexex/api/contracts/TokenHelper.d.ts

support trade on nexex network

import { Signer } from 'ethers';
import { Provider, TransactionRequest, TransactionResponse } from 'ethers/providers';
import { Amount } from '../model/Amount';
import { AnyNumber } from '../types';
import { ERC20Contract } from './ERC20Contract';
import { WrappedETH } from './WrappedETH';
export declare class TokenHelper {
    private network;
    gatewayAddr: string;
    protected provider: Provider;
    protected cache: {
        [addr: string]: ERC20Contract;
    };
    protected etherToken: WrappedETH;
    constructor(provider: Provider, network: string, gatewayAddr: string, wrappedEthAddr: string);
    wrapEth(signer: Signer, amount: AnyNumber, opt?: TransactionRequest): Promise<TransactionResponse>;
    unwrapEth(signer: Signer, amount: AnyNumber, opt?: TransactionRequest): Promise<TransactionResponse>;
    approveGateway(signer: Signer, tokenAddr: string, opt?: TransactionRequest): Promise<TransactionResponse>;
    revokeGatewayApproval(signer: Signer, tokenAddr: string, opt?: TransactionRequest): Promise<TransactionResponse>;
    getToken(addr: string): Promise<ERC20Contract>;
    balanceOf(tokenAddr: string, userAddr: string): Promise<Amount>;
    allowanceForGateway(tokenAddr: string, userAddr: string): Promise<Amount>;
    parseAmount(tokenAddr: string, displayAmount: string): Promise<Amount>;
    formatAmount(tokenAddr: string, weiAmount: AnyNumber): Promise<Amount>;
    private decimals;
    private name;
    private symbol;
}