89 lines
2.7 KiB
JavaScript
89 lines
2.7 KiB
JavaScript
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import EmbarkJS from 'Embark/EmbarkJS';
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import TestToken from 'Embark/contracts/TestToken';
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import React from 'react';
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import { Form, FormGroup, FormControl, HelpBlock, Button } from 'react-bootstrap';
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class TestTokenUI extends React.Component {
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constructor(props) {
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super(props);
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this.state = {
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amountToMint: 100,
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accountBalance: 0,
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accountB: web3.eth.defaultAccount,
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balanceOf: 0,
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logs: []
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}
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}
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handleMintAmountChange(e){
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this.setState({amountToMint: e.target.value});
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}
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mint(e){
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e.preventDefault();
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var value = parseInt(this.state.amountToMint, 10);
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// If web3.js 1.0 is being used
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if (EmbarkJS.isNewWeb3()) {
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TestToken.methods.mint(value).send({from: web3.eth.defaultAccount});
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this._addToLog("TestToken.methods.mint("+value+").send({from: " + web3.eth.defaultAccount + "})");
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} else {
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TestToken.mint(value);
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this._addToLog("#blockchain", "TestToken.mint(" + value + ")");
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}
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}
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getBalance(e){
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e.preventDefault();
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if (EmbarkJS.isNewWeb3()) {
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TestToken.methods.balanceOf(web3.eth.defaultAccount).call()
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.then(_value => this.setState({accountBalance: _value}))
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} else {
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TestToken.balanceOf(web3.eth.defaultAccount)
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.then(_value => this.x({valueGet: _value}))
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}
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this._addToLog(TestToken.options.address + ".balanceOf(" + web3.eth.defaultAccount + ")");
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}
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_addToLog(txt){
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this.state.logs.push(txt);
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this.setState({logs: this.state.logs});
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}
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render(){
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return (<React.Fragment>
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<h3> 1. Mint Test Token</h3>
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<Form inline>
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<FormGroup>
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<FormControl
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type="text"
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defaultValue={this.state.amountToMint}
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onChange={(e) => this.handleMintAmountChange(e)} />
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<Button bsStyle="primary" onClick={(e) => this.mint(e)}>Mint</Button>
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</FormGroup>
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</Form>
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<h3> 2. Read your account token balance </h3>
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<Form inline>
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<FormGroup>
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<HelpBlock>Your test token balance is <span className="accountBalance">{this.state.accountBalance}</span></HelpBlock>
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<Button bsStyle="primary" onClick={(e) => this.getBalance(e)}>Get Balance</Button>
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</FormGroup>
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</Form>
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<h3> 3. Contract Calls </h3>
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<p>Javascript calls being made: </p>
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<div className="logs">
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{
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this.state.logs.map((item, i) => <p key={i}>{item}</p>)
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}
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</div>
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</React.Fragment>
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);
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}
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}
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export default TestTokenUI;
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