simple token UI
This commit is contained in:
Ricardo Guilherme Schmidt
parent
611649fbd7
commit
62bf93868c
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import EmbarkJS from 'Embark/EmbarkJS';
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import ERC20Token from 'Embark/contracts/ERC20Token';
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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 ERC20TokenUI 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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balanceOf: 0,
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transferTo: "",
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transferAmount: 0,
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logs: []
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}
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}
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contractAddress(e){
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e.preventDefault();
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var tokenAddress = e.target.value;
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ERC20Token.options.address = tokenAddress;
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}
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update_transferTo(e){
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this.setState({transferTo: e.target.value});
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}
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update_transferAmount(e){
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this.setState({transferAmount: e.target.value});
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}
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transfer(e){
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var to = this.state.transferTo;
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var amount = this.state.transferAmount;
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var tx = ERC20Token.methods.transfer(to, amount).send({from: web3.eth.defaultAccount});
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this._addToLog(ERC20Token.options.address+".transfer(" + to + ", "+amount+")");
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}
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approve(e){
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var to = this.state.transferTo;
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var amount = this.state.transferAmount;
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var tx = ERC20Token.methods.approve(to, amount).send({from: web3.eth.defaultAccount});
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this._addToLog(ERC20Token.options.address+".approve(" + to + ", "+amount+")");
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}
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balanceOf(e){
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e.preventDefault();
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var who = e.target.value;
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if (EmbarkJS.isNewWeb3()) {
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ERC20Token.methods.balanceOf(who).call()
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.then(_value => this.setState({balanceOf: _value}))
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} else {
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ERC20Token.balanceOf(who)
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.then(_value => this.x({balanceOf: _value}));
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}
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this._addToLog(ERC20Token.options.address+".balanceOf(" + who + ")");
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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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<h2> Set token contract address</h2>
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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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onChange={(e) => this.contractAddress(e)} />
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</FormGroup>
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</Form>
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<h3> Read account token balance</h3>
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<Form inline>
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<FormGroup>
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<label>
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Of:
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<FormControl
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type="text"
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defaultValue={this.state.accountB}
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onChange={(e) => this.balanceOf(e)} />
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</label>
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<label>
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<HelpBlock><span className="balanceOf">{this.state.balanceOf}</span></HelpBlock>
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</label>
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</FormGroup>
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</Form>
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<h3> Transfer/Approve token balance</h3>
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<Form inline>
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<FormGroup>
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<label>
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To:
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<FormControl
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type="text"
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defaultValue={this.state.transferTo}
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onChange={(e) => this.update_transferTo(e) } />
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</label>
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<label>
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Amount:
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<FormControl
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type="text"
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defaultValue={this.state.transferAmount}
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onChange={(e) => this.update_transferAmount(e) } />
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</label>
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<Button bsStyle="primary" onClick={(e) => this.transfer(e)}>Transfer</Button>
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<Button bsStyle="primary" onClick={(e) => this.approve(e)}>Approve</Button>
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</FormGroup>
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</Form>
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<h3> 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 ERC20TokenUI;
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@ -0,0 +1,89 @@
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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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div {
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margin: 15px;
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}
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.logs {
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background-color: black;
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font-size: 14px;
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color: white;
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font-weight: bold;
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padding: 10px;
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border-radius: 8px;
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}
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.tab-content {
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border-left: 1px solid #ddd;
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border-right: 1px solid #ddd;
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border-bottom: 1px solid #ddd;
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padding: 10px;
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margin: 0px;
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}
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.nav-tabs {
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margin-bottom: 0;
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}
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.status-offline {
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vertical-align: middle;
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margin-left: 5px;
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margin-top: 4px;
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width: 12px;
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height: 12px;
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background: red;
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-moz-border-radius: 10px;
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-webkit-border-radius: 10px;
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border-radius: 10px;
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}
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.status-online {
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vertical-align: middle;
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margin-left: 5px;
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margin-top: 4px;
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width: 12px;
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height: 12px;
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background: mediumseagreen;
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-moz-border-radius: 10px;
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-webkit-border-radius: 10px;
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border-radius: 10px;
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}
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input.form-control {
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margin: 5px;
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}
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import React from 'react';
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import ReactDOM from 'react-dom';
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import { Tabs, Tab } from 'react-bootstrap';
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import EmbarkJS from 'Embark/EmbarkJS';
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import TestTokenUI from './components/testtoken';
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import ERC20TokenUI from './components/erc20token';
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import './dapp.css';
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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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componentDidMount(){
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__embarkContext.execWhenReady(() => {
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});
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}
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_renderStatus(title, available){
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let className = available ? 'pull-right status-online' : 'pull-right status-offline';
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return <React.Fragment>
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{title}
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<span className={className}></span>
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</React.Fragment>;
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}
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render(){
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return (<div><h3>Status.im Contracts</h3>
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<Tabs defaultActiveKey={1} id="uncontrolled-tab-example">
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<Tab eventKey={1} title="TestToken">
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<TestTokenUI />
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</Tab>
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<Tab eventKey={2} title="ERC20Token">
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<ERC20TokenUI />
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</Tab>
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</Tabs>
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</div>);
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}
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}
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ReactDOM.render(<App></App>, document.getElementById('app'));
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<html>
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<head>
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<title>Status.im - Contracts</title>
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<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">
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<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
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</head>
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<body class="container">
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<div id="app">
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</div>
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<script src="js/dapp.js"></script>
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</body>
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</html>
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