openethereum/js/src/ui/TokenImage/tokenImage.js

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// Copyright 2015-2017 Parity Technologies (UK) Ltd.
// This file is part of Parity.
// Parity is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// Parity is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with Parity. If not, see <http://www.gnu.org/licenses/>.
import React, { Component, PropTypes } from 'react';
import { connect } from 'react-redux';
import unknownImage from '~/../assets/images/contracts/unknown-64x64.png';
class TokenImage extends Component {
static contextTypes = {
api: PropTypes.object
};
static propTypes = {
image: PropTypes.string,
token: PropTypes.shape({
image: PropTypes.string,
address: PropTypes.string
}).isRequired
};
render () {
const { api } = this.context;
const { image, token } = this.props;
const imageurl = token.image || image;
let imagesrc = unknownImage;
if (imageurl) {
const host = /^(\/)?api/.test(imageurl)
? api.dappsUrl
: '';
imagesrc = `${host}${imageurl}`;
}
return (
<img
src={ imagesrc }
alt={ token.name }
/>
);
}
}
function mapStateToProps (iniState) {
const { images } = iniState;
return (_, props) => {
const { token } = props;
return { image: images[token.address] };
};
}
export default connect(
mapStateToProps,
null
)(TokenImage);