openethereum/js/src/dapps/basiccoin/Deploy/Deployment/deployment.js

321 lines
9.7 KiB
JavaScript

// Copyright 2015, 2016 Ethcore (UK) Ltd.
// This file is part of Parity.
// Parity is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// Parity is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with Parity. If not, see <http://www.gnu.org/licenses/>.
import React, { Component, PropTypes } from 'react';
import { api } from '../../parity';
import AddressSelect from '../../AddressSelect';
import Container from '../../Container';
import styles from './deployment.css';
const ERRORS = {
name: 'specify a valid name >2 & <32 characters',
tla: 'specify a valid TLA, 3 characters in length',
usedtla: 'the TLA used is not available for registration',
supply: 'supply needs to be valid >999 & <1 trillion'
};
export default class Deployment extends Component {
static contextTypes = {
accounts: PropTypes.object.isRequired,
router: PropTypes.object.isRequired,
managerInstance: PropTypes.object.isRequired,
registryInstance: PropTypes.object.isRequired,
tokenregInstance: PropTypes.object.isRequired
}
state = {
base: null,
deployBusy: false,
deployDone: false,
deployError: null,
deployState: null,
globalReg: false,
globalFee: 0,
globalFeeText: '1.000',
fromAddress: null,
name: '',
nameError: ERRORS.name,
tla: '',
tlaError: ERRORS.tla,
totalSupply: '5000000',
totalSupplyError: null,
signerRequestId: null,
txHash: null
}
componentDidMount () {
const { managerInstance, tokenregInstance } = this.context;
Promise
.all([
managerInstance.base.call(),
tokenregInstance.fee.call()
])
.then(([base, globalFee]) => {
this.setState({
base,
baseText: base.toFormat(0),
globalFee,
globalFeeText: api.util.fromWei(globalFee).toFormat(3)
});
});
}
render () {
const { deployBusy } = this.state;
return deployBusy
? this.renderDeploying()
: this.renderForm();
}
renderDeploying () {
const { deployDone, deployError, deployState } = this.state;
if (deployDone) {
return (
<Container>
<div className={ styles.statusHeader }>
Your token has been deployed
</div>
</Container>
);
}
if (deployError) {
return (
<Container>
<div className={ styles.statusHeader }>
Your deployment has encountered an error
</div>
<div className={ styles.statusError }>
{ deployError }
</div>
</Container>
);
}
return (
<Container>
<div className={ styles.statusHeader }>
Your token is currently being deployed to the network
</div>
<div className={ styles.statusState }>
{ deployState }
</div>
</Container>
);
}
renderForm () {
const { accounts } = this.context;
const { baseText, name, nameError, tla, tlaError, totalSupply, totalSupplyError } = this.state;
const hasError = !!(nameError || tlaError || totalSupplyError);
const error = `${styles.input} ${styles.error}`;
const addresses = Object.keys(accounts).filter((address) => accounts[address].uuid);
// <div className={ styles.input }>
// <label>global registration</label>
// <select onChange={ this.onChangeRegistrar }>
// <option value='no'>No, only for me</option>
// <option value='yes'>Yes, for everybody</option>
// </select>
// <div className={ styles.hint }>
// register on network (fee: { globalFeeText }ETH)
// </div>
// </div>
return (
<Container>
<div className={ styles.form }>
<div className={ styles.input }>
<label>deployment account</label>
<AddressSelect
addresses={ addresses }
onChange={ this.onChangeFrom } />
<div className={ styles.hint }>
the owner account to eploy from
</div>
</div>
<div className={ nameError ? error : styles.input }>
<label>token name</label>
<input
value={ name }
name='name'
onChange={ this.onChangeName } />
<div className={ styles.hint }>
{ nameError || 'an identifying name for the token' }
</div>
</div>
<div className={ tlaError ? error : styles.input }>
<label>token TLA</label>
<input
className={ styles.small }
name='tla'
value={ tla }
onChange={ this.onChangeTla } />
<div className={ styles.hint }>
{ tlaError || 'unique network acronym for this token' }
</div>
</div>
<div className={ totalSupplyError ? error : styles.input }>
<label>token supply</label>
<input
type='number'
min='1000'
max='999999999999'
name='totalSupply'
value={ totalSupply }
onChange={ this.onChangeSupply } />
<div className={ styles.hint }>
{ totalSupplyError || `number of tokens (base: ${baseText})` }
</div>
</div>
<div className={ styles.input }>
<label />
<div className={ styles.buttonRow }>
<div
className={ styles.button }
disabled={ hasError }
onClick={ this.onDeploy }>
Deploy Token
</div>
</div>
</div>
</div>
</Container>
);
}
onChangeFrom = (event) => {
const fromAddress = event.target.value;
this.setState({ fromAddress });
}
onChangeName = (event) => {
const name = event.target.value;
const nameError = name && (name.length > 2) && (name.length < 32)
? null
: ERRORS.name;
this.setState({ name, nameError });
}
onChangeRegistrar = (event) => {
this.setState({ globalReg: event.target.value === 'yes' }, this.testTlaAvailability);
}
onChangeSupply = (event) => {
const totalSupply = parseInt(event.target.value, 10);
const totalSupplyError = isFinite(totalSupply) && totalSupply > 999
? null
: ERRORS.supply;
this.setState({ totalSupply, totalSupplyError });
}
onChangeTla = (event) => {
const _tla = event.target.value;
const tla = _tla && (_tla.length > 3)
? _tla.substr(0, 3)
: _tla;
const tlaError = tla && (tla.length === 3)
? null
: ERRORS.tla;
this.setState({ tla, tlaError }, this.testTlaAvailability);
}
testTlaAvailability = () => {
const { registryInstance, tokenregInstance } = this.context;
const { globalReg, tla, tlaError } = this.state;
const tokenreg = globalReg ? tokenregInstance : registryInstance;
if (tlaError && tlaError !== ERRORS.usedtla) {
return;
}
tokenreg
.fromTLA.call({}, [tla])
.then(([id, addr, base, name, owner]) => {
if (owner !== '0x0000000000000000000000000000000000000000') {
this.setState({ tlaError: ERRORS.usedtla });
} else if (tlaError === ERRORS.usedtla) {
this.setState({ tlaError: null });
}
})
.catch((error) => {
console.log('testTlaAvailability', error);
});
}
onDeploy = () => {
const { managerInstance, registryInstance, tokenregInstance } = this.context;
const { base, deployBusy, fromAddress, globalReg, globalFee, name, nameError, tla, tlaError, totalSupply, totalSupplyError } = this.state;
const hasError = !!(nameError || tlaError || totalSupplyError);
if (hasError || deployBusy) {
return;
}
const tokenreg = (globalReg ? tokenregInstance : registryInstance).address;
const values = [base.mul(totalSupply), tla, name, tokenreg];
const options = {
from: fromAddress,
value: globalReg ? globalFee : 0
};
this.setState({ deployBusy: true, deployState: 'Estimating gas for the transaction' });
managerInstance
.deploy.estimateGas(options, values)
.then((gas) => {
this.setState({ deployState: 'Gas estimated, Posting transaction to the network' });
const gasPassed = gas.mul(1.2);
options.gas = gasPassed.toFixed(0);
console.log(`gas estimated at ${gas.toFormat(0)}, passing ${gasPassed.toFormat(0)}`);
return managerInstance.deploy.postTransaction(options, values);
})
.then((signerRequestId) => {
this.setState({ signerRequestId, deployState: 'Transaction posted, Waiting for transaction authorization' });
return api.pollMethod('parity_checkRequest', signerRequestId);
})
.then((txHash) => {
this.setState({ txHash, deployState: 'Transaction authorized, Waiting for network confirmations' });
return api.pollMethod('eth_getTransactionReceipt', txHash, (receipt) => {
if (!receipt || !receipt.blockNumber || receipt.blockNumber.eq(0)) {
return false;
}
return true;
});
})
.then((txReceipt) => {
this.setState({ txReceipt, deployDone: true, deployState: 'Network confirmed, Received transaction receipt' });
})
.catch((error) => {
console.error('onDeploy', error);
this.setState({ deployError: error.message });
});
}
}