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Adds lerna and receive web3 object instead of provider #75

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Mar 4, 2020
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10 changes: 5 additions & 5 deletions .gitignore
Original file line number Diff line number Diff line change
Expand Up @@ -4,9 +4,9 @@ phoenix.db
subspace.db
TODO
test.js
/dist/
/react/
/lib/
/module/
dist/
lib/
module/
/examples/react-example1/src/contract.json
/coverage/
coverage/
lerna-debug.log
2 changes: 1 addition & 1 deletion README.md
Original file line number Diff line number Diff line change
Expand Up @@ -12,7 +12,7 @@ https://subspace.status.im
### Install
Subspace can be used in browser, node and native script environments. You can install it through `npm` or `yarn`:
```
npm install --save @embarklabs/subspace
npm install --save @embarklabs/subspace web3 rxjs
```

### Usage
Expand Down
1 change: 1 addition & 0 deletions examples/react/.env
Original file line number Diff line number Diff line change
@@ -0,0 +1 @@
SKIP_PREFLIGHT_CHECK=true
12 changes: 12 additions & 0 deletions examples/react/config-overrides.js
Original file line number Diff line number Diff line change
@@ -0,0 +1,12 @@
const {
override,
addWebpackAlias,
} = require("customize-cra");

const path = require('path');

module.exports = override(
addWebpackAlias({
react: path.resolve('./node_modules/react')
})
)
14 changes: 9 additions & 5 deletions examples/react/package.json
Original file line number Diff line number Diff line change
Expand Up @@ -5,14 +5,14 @@
"dependencies": {
"react": "^16.9.0",
"react-dom": "^16.9.0",
"react-scripts": "3.1.1",
"react-scripts": "^3.4.0",
"rxjs": "^6.5.2",
"web3": "^1.0.0-beta.37"
"web3": "^1.2.6"
},
"scripts": {
"start": "react-scripts start",
"build": "react-scripts build",
"test": "react-scripts test",
"start": "react-app-rewired start",
"build": "react-app-rewired build",
"test": "react-app-rewired test",
"eject": "react-scripts eject"
},
"eslintConfig": {
Expand All @@ -29,5 +29,9 @@
"last 1 firefox version",
"last 1 safari version"
]
},
"devDependencies": {
"customize-cra": "^0.9.1",
"react-app-rewired": "^2.1.5"
}
}
75 changes: 41 additions & 34 deletions examples/react/src/App.js
Original file line number Diff line number Diff line change
@@ -1,47 +1,54 @@
import React from "react";
import Subspace from "@embarklabs/subspace";
import { scan } from 'rxjs/operators';
import React, {useState, useEffect} from "react";
import Web3 from "web3";
import { SubspaceProvider, useSubspace } from "@embarklabs/subspace-react";
import MyComponentObserver from "./MyComponentObserver";
import web3 from './web3';
import MyContract from './MyContract';
import getInstance from "./ContractDeployer";

let MyContractInstance;
const Form = () => {
const subspace = useSubspace();
const [MyContractInstance, setContractInstance] = useState();
const [myObservable$, setObservable] = useState();

class App extends React.Component {
state = {
myEventObservable$: null
};

async componentDidMount() {
MyContractInstance = await MyContract.getInstance(); //
useEffect(() => {
getInstance(subspace.web3).then(instance => {
setContractInstance(subspace.contract(instance));
});
}, [subspace]);

const subspace = new Subspace(web3.currentProvider);
await subspace.init();

const myEventObservable$ = subspace.trackEvent(MyContractInstance, "MyEvent", {filter: {}, fromBlock: 1 });
useEffect(() => {
if (!MyContractInstance) return;
const observable = MyContractInstance.events.MyEvent.track({filter: {}, fromBlock: 1});

// If you want to return all the events in an array, you can pipe the scan operator to the observable
// const myEventObservable$ = subspace.trackEvent(MyContractInstance, "MyEvent", {filter: {}, fromBlock: 1 })
// .pipe(scan((accum, val) => [...accum, val], []));
// const observable = MyContractInstance.events.MyEvent.track({filter: {}, fromBlock: 1})
// .pipe(scan((accum, val) => [...accum, val], []));
//
// Your observable component would receive the eventData as an array instead of an object

this.setState({ myEventObservable$ });
}
setObservable(observable);
}, [subspace, MyContractInstance]);

createTrx = () => {
MyContractInstance.methods
.myFunction()
.send({ from: web3.eth.defaultAccount });
const createTrx = () => {
if(!MyContractInstance) return;
MyContractInstance.methods.myFunction().send({from: subspace.web3.eth.defaultAccount});
};

render() {
return (
<div>
<button onClick={this.createTrx}>Create a Transaction</button>
<MyComponentObserver eventData={this.state.myEventObservable$} />
</div>
);
}

return (
<div>
<button onClick={createTrx} disabled={!MyContractInstance}>Create a Transaction</button>
<MyComponentObserver eventData={myObservable$} />
</div>
);
}


const App = () => {
const web3 = new Web3("ws://localhost:8545");
return (
<SubspaceProvider web3={web3}>
<Form />
</SubspaceProvider>
);
};

export default App;
Original file line number Diff line number Diff line change
@@ -1,5 +1,3 @@
import web3 from './web3';

const abi = [
{
"constant": false,
Expand Down Expand Up @@ -31,14 +29,14 @@ const abi = [

const data = "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";

const MyContract = new web3.eth.Contract(abi, {data, gas: "470000"});

MyContract.getInstance = async() => {
const getInstance = async web3 => {
if(!web3.eth.defaultAccount){
const accounts = await web3.eth.getAccounts();
web3.eth.defaultAccount = accounts[0];
}
return MyContract.deploy().send({from: web3.eth.defaultAccount});

const MyContract = new web3.eth.Contract(abi, {data, gas: "470000"});
return MyContract.deploy().send({from: web3.eth.defaultAccount});
}

export default MyContract;
export default getInstance;
2 changes: 1 addition & 1 deletion examples/react/src/MyComponentObserver.js
Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
import React from "react";
import { observe } from "@embarklabs/subspace/react";
import { observe } from "@embarklabs/subspace-react";

const MyComponent = ({ eventData }) => {
// Handle initial state when no data is available
Expand Down
10 changes: 5 additions & 5 deletions examples/react/src/index.js
Original file line number Diff line number Diff line change
@@ -1,9 +1,9 @@
import React from 'react';
import ReactDOM from 'react-dom';
import App from './App';
import * as serviceWorker from './serviceWorker';
import React from "react";
import ReactDOM from "react-dom";
import App from "./App";
import * as serviceWorker from "./serviceWorker";

ReactDOM.render(<App />, document.getElementById('root'));
ReactDOM.render(<App />, document.getElementById("root"));

// If you want your app to work offline and load faster, you can change
// unregister() to register() below. Note this comes with some pitfalls.
Expand Down
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