88 lines
2.5 KiB
JavaScript
88 lines
2.5 KiB
JavaScript
import React, { Fragment } from 'react';
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import ReactDOM from 'react-dom';
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import web3 from "Embark/web3"
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import EmbarkJS from 'Embark/EmbarkJS';
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import SNT from 'Embark/contracts/SNT';
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import Web3Render from './components/standard/Web3Render';
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import DrawField from './components/draw/DrawField';
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//import ContractClient, { createContract } from './contract_client'
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import ContractClient from './client_contractgo';
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import Events from './chain_client/events';
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window['SNT'] = SNT;
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import './dapp.css';
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const MAINNET = 1;
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class App extends React.Component {
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constructor(props) {
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super(props);
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}
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state = { admin: false, pollOrder: 'NEWEST_ADDED', web3Provider: true, loading: true };
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componentDidMount(){
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EmbarkJS.onReady((err) => {
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if (err) this.setState({ web3Provider: false });
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else {
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this.createContract();
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this._setAccounts();
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}
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web3.eth.net.getId((err, netId) => {
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//if (netId !== MAINNET) this.setState({ web3Provider: false})
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})
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})
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}
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async createContract() {
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const { tileStateUpdateHandler } = this;
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this.contractClient = await new ContractClient();
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this.events = new Events();
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await this.contractClient.createContract();
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this.events.onEvent = tileData => this.tileStateUpdateHandler(tileData)
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this.requestUpdateTilesOnCanvas();
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}
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tileStateUpdateHandler = tileData => {
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console.log('tile state update event received');
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this.setState({ canvasState: tileData });
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}
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async requestUpdateTilesOnCanvas() {
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const tileMapState = await this.contractClient.getTileMapState()
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const tileData = tileMapState.getData()
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if (tileData) {
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const canvasState = JSON.parse(tileData);
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this.setState({ canvasState });
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}
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}
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setTileMapState = async (data) => {
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await this.contractClient.setTileMapState(JSON.stringify(data))
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}
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setAccount(_account){
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this.setState({account: _account});
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}
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_setAccounts() {
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const { fromWei } = web3.utils;
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web3.eth.getAccounts(async (err, [address]) => {
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const balance = await SNT.methods.balanceOf(address).call();
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this.setState({ snt: { balance: fromWei(balance) }});
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})
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}
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render(){
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const { setTileMapState } = this;
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const { web3Provider, loading, canvasState } = this.state;
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return (
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<Web3Render ready={web3Provider}>
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<DrawField setTileMapState={setTileMapState} canvasState={canvasState} request={this.requestUpdateTilesOnCanvas.bind(this)}/>
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</Web3Render>
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);
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}
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}
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ReactDOM.render(<App></App>, document.getElementById('app'));
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