add loom-js + contract interaction

This commit is contained in:
Barry Gitarts 2018-07-23 15:21:31 -04:00
parent 319fcf7352
commit 7fa2acb3c4
3 changed files with 49 additions and 50 deletions

45
app/contract_client.js Normal file
View File

@ -0,0 +1,45 @@
import {
NonceTxMiddleware, SignedTxMiddleware, Client,
Contract, Address, LocalAddress, CryptoUtils, LoomProvider
} from 'loom-js'
import Web3 from 'web3'
export default class ContractClient {
constructor() {}
async createContract() {
const privateKey = CryptoUtils.generatePrivateKey()
const publicKey = CryptoUtils.publicKeyFromPrivateKey(privateKey)
const client = new Client(
'default',
'ws://127.0.0.1:46657/websocket',
'ws://127.0.0.1:9999/queryws',
)
const from = LocalAddress.fromPublicKey(publicKey).toString()
const web3 = new Web3(new LoomProvider(client, privateKey))
const ABI = [{"constant":false,"inputs":[{"name":"_tileState","type":"string"}],"name":"SetTileMapState","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"GetTileMapState","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"anonymous":false,"inputs":[{"indexed":false,"name":"state","type":"string"}],"name":"OnTileMapStateUpdate","type":"event"}]
const loomContractAddress = await client.getContractAddressAsync('TilesChain')
const contractAddress = CryptoUtils.bytesToHexAddr(loomContractAddress.local.bytes)
this.contract = new web3.eth.Contract(ABI, contractAddress, {from})
this.contract.events.OnTileMapStateUpdate({}, (err, event) => {
if (err) return;
if (this.onEvent) {
this.onEvent(event)
}
})
}
async setTileMapState(data) {
await this.contract.methods.SetTileMapState(data).send()
}
async getTileMapState() {
return await this.contract.methods.GetTileMapState().call()
}
}

View File

@ -11,6 +11,7 @@ import Web3Render from './components/standard/Web3Render';
import fetchIdeas from './utils/fetchIdeas';
import { getPolls, omitPolls } from './utils/polls';
import DrawField from './components/draw/DrawField';
import ContractClient from './contract_client'
window['SNT'] = SNT;
import './dapp.css';
@ -28,13 +29,12 @@ class App extends React.Component {
EmbarkJS.onReady((err) => {
if (err) this.setState({ web3Provider: false });
else {
this._getPolls();
//this.contractClient = new ContractClient()
this._setAccounts();
}
web3.eth.net.getId((err, netId) => {
//if (netId !== MAINNET) this.setState({ web3Provider: false})
})
fetchIdeas().then(ideaSites => { this.setState({ ideaSites })});
})
}
@ -42,14 +42,6 @@ class App extends React.Component {
this.setState({account: _account});
}
_getPolls = async () => {
this.setState({ loading: true })
const { nPolls, poll } = PollManager.methods;
const polls = await nPolls().call();
if (polls) getPolls(polls, poll).then(omitPolls).then(rawPolls => { this.setState({ rawPolls, loading: false })});
else this.setState({ rawPolls: [], loading: false });
}
_setAccounts() {
const { fromWei } = web3.utils;
web3.eth.getAccounts(async (err, [address]) => {
@ -58,50 +50,11 @@ class App extends React.Component {
})
}
updatePoll = async (idPoll) => {
const { poll, nPolls } = PollManager.methods;
const { rawPolls } = this.state;
const npolls = await nPolls().call();
// This check needs to be done because of a bug in web3
if (npolls !== rawPolls.length) return this._getPolls();
const newPolls = [...rawPolls];
const updatedPoll = await poll(idPoll).call();
newPolls[idPoll] = { ...updatedPoll };
this.setState({ rawPolls: newPolls });
}
appendToPoll = (idPoll, data) => {
const { rawPolls } = this.state;
const newPolls = [...rawPolls];
newPolls[idPoll] = { ...newPolls[idPoll], ...data }
this.setState({ rawPolls: newPolls });
}
setPollOrder = pollOrder => { this.setState({ pollOrder }) }
_renderStatus(title, available) {
let className = available ? 'pull-right status-online' : 'pull-right status-offline';
return <Fragment>
{title}
<span className={className}></span>
</Fragment>;
}
render(){
const { admin, web3Provider, loading } = this.state;
const { _getPolls, updatePoll, setPollOrder, appendToPoll } = this;
const toggleAdmin = () => this.setState({ admin: true });
const votingContext = { getPolls: _getPolls, toggleAdmin, updatePoll, appendToPoll, setPollOrder, ...this.state };
const { web3Provider, loading } = this.state;
return (
<Web3Render ready={web3Provider}>
<DrawField />
{false && <VotingContext.Provider value={votingContext}>
<Fragment>
{admin ?
<AdminView setAccount={this.setAccount} /> :
<Voting />}
</Fragment>
</VotingContext.Provider>}
</Web3Render>
);
}

View File

@ -29,6 +29,7 @@
"formik": "^0.11.11",
"jquery": "^3.3.1",
"lodash": "^4.17.10",
"loom-js": "^1.14.0",
"react": "^16.3.2",
"react-blockies": "^1.3.0",
"react-bootstrap": "^0.32.1",