MyCrypto/common/containers/Tabs/Swap/components/CurrentRates.tsx

88 lines
2.4 KiB
TypeScript

import { Pairs } from 'actions/swap';
import bityLogoWhite from 'assets/images/logo-bity-white.svg';
import Spinner from 'components/ui/Spinner';
import { bityReferralURL } from 'config/data';
import React, { Component } from 'react';
import translate from 'translations';
import { toFixedIfLarger } from 'utils/formatters';
import './CurrentRates.scss';
interface State {
ETHBTCAmount: number;
ETHREPAmount: number;
BTCETHAmount: number;
BTCREPAmount: number;
}
export default class CurrentRates extends Component<Pairs, State> {
public state = {
ETHBTCAmount: 1,
ETHREPAmount: 1,
BTCETHAmount: 1,
BTCREPAmount: 1
};
public onChange = (event: any) => {
const target = event.target;
const { value } = event.target;
const { name } = event.target;
this.setState({
[name]: value
});
};
public buildPairRate = (origin: string, destination: string) => {
const pair = origin + destination;
const statePair = this.state[pair + 'Amount'];
const propsPair = this.props[pair];
return (
<div className="SwapRates-panel-rate">
{propsPair
? <div>
<input
className="SwapRates-panel-rate-input"
onChange={this.onChange}
value={statePair}
name={pair + 'Amount'}
/>
<span className="SwapRates-panel-rate-amount">
{` ${origin} = ${toFixedIfLarger(
statePair * propsPair,
6
)} ${destination}`}
</span>
</div>
: <Spinner />}
</div>
);
};
public render() {
return (
<article className="SwapRates">
<h3 className="SwapRates-title">
{translate('SWAP_rates')}
</h3>
<section className="SwapRates-panel row">
<div className="SwapRates-panel-side col-sm-6">
{this.buildPairRate('ETH', 'BTC')}
{this.buildPairRate('ETH', 'REP')}
</div>
<div className="SwapRates-panel-side col-sm-6">
{this.buildPairRate('BTC', 'ETH')}
{this.buildPairRate('BTC', 'REP')}
</div>
<a
className="SwapRates-panel-logo"
href={bityReferralURL}
target="_blank"
>
<img src={bityLogoWhite} width={120} height={49} />
</a>
</section>
</article>
);
}
}