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Basic parachains app (#1338)

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* Parachains structure

* Basic display

* Bump API

* Treasury/Parachains ordering

* Update for latest Column changes
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// Copyright 2017-2019 @polkadot/app-explorer authors & contributors
// Copyright 2017-2019 @polkadot/app-council authors & contributors
// This software may be modified and distributed under the terms
// of the Apache-2.0 license. See the LICENSE file for details.

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# @polkadot/app-parachains

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{
"name": "@polkadot/app-parachains",
"version": "0.34.0-beta.30",
"description": "Parachains",
"main": "index.js",
"scripts": {},
"author": "Jaco Greeff <jacogr@gmail.com>",
"maintainers": [
"Jaco Greeff <jacogr@gmail.com>"
],
"license": "Apache-2.0",
"dependencies": {
"@babel/runtime": "^7.4.5",
"@polkadot/ui-app": "^0.34.0-beta.30",
"@polkadot/ui-reactive": "^0.34.0-beta.30"
}
}

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// Copyright 2017-2019 @polkadot/app-parachains authors & contributors
// This software may be modified and distributed under the terms
// of the Apache-2.0 license. See the LICENSE file for details.
import React from 'react';
type Props = {};
export default class Chain extends React.PureComponent<Props> {
render () {
return null;
}
}

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// Copyright 2017-2019 @polkadot/app-parachains authors & contributors
// This software may be modified and distributed under the terms
// of the Apache-2.0 license. See the LICENSE file for details.
import { I18nProps } from '@polkadot/ui-app/types';
import BN from 'bn.js';
import React from 'react';
import styled from 'styled-components';
import { Bytes, Option } from '@polkadot/types';
import { Card, Static } from '@polkadot/ui-app';
import { styles as rowStyles } from '@polkadot/ui-app/Row';
import { withCalls, withMulti } from '@polkadot/ui-api';
import { formatNumber } from '@polkadot/util';
import translate from '../translate';
type Props = I18nProps & {
className?: string,
paraId: BN,
parachains_heads?: string | null,
parachains_relayDispatchQueueSize?: [BN, BN]
};
class Parachain extends React.PureComponent<Props> {
render () {
const { className, paraId, parachains_heads, parachains_relayDispatchQueueSize, t } = this.props;
return (
<Card className={className}>
<div className='ui--Row'>
<div className='ui--Row-base'>
<div className='ui--Row-details parachains--Item-header'>
<h3>#{formatNumber(paraId)}</h3>
</div>
</div>
<Static
help={t('the last heads of this parachain')}
label={t('heads')}
value={parachains_heads || t('<unknown>')}
/>
<Static
help={t('the relay dispatch queue size')}
label={t('relay queue')}
value={
parachains_relayDispatchQueueSize
? formatNumber(parachains_relayDispatchQueueSize[0])
: '-'
}
/>
</div>
</Card>
);
}
}
export default withMulti(
styled(Parachain)`
${rowStyles}
.parachains--Item-header {
margin-bottom: 1rem;
}
`,
translate,
withCalls<Props>(
['query.parachains.heads', {
paramName: 'paraId',
transform: (heads: Option<Bytes>) =>
heads.isSome ? heads.unwrap().toHex() : null
}],
['query.parachains.relayDispatchQueueSize', { paramName: 'paraId' }]
)
);

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// Copyright 2017-2019 @polkadot/app-parachains authors & contributors
// This software may be modified and distributed under the terms
// of the Apache-2.0 license. See the LICENSE file for details.
import { I18nProps } from '@polkadot/ui-app/types';
import BN from 'bn.js';
import React from 'react';
import { Column } from '@polkadot/ui-app';
import { withCalls } from '@polkadot/ui-api';
import translate from '../translate';
import Parachain from './Parachain';
type Props = I18nProps & {
parachains_parachains?: Array<BN>
};
class Parachains extends React.PureComponent<Props> {
render () {
const { parachains_parachains = [], t } = this.props;
return (
<Column
emptyText={t('no deployed parachains')}
headerText={t('parachains')}
>
{
parachains_parachains.length
? parachains_parachains.map((paraId) =>
<Parachain key={paraId.toString()} paraId={paraId} />
)
: null
}
</Column>
);
}
}
export default translate(
withCalls<Props>(
'query.parachains.parachains'
)(Parachains)
);

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// Copyright 2017-2019 @polkadot/app-parachains authors & contributors
// This software may be modified and distributed under the terms
// of the Apache-2.0 license. See the LICENSE file for details.
import { I18nProps } from '@polkadot/ui-app/types';
import BN from 'bn.js';
import React from 'react';
import { SummaryBox, CardSummary } from '@polkadot/ui-app';
import { withCalls } from '@polkadot/ui-api';
import { formatNumber } from '@polkadot/util';
import translate from '../translate';
type Props = I18nProps & {
parachains_nextFreeId?: BN,
parachains_parachains?: Array<BN>
};
class Summary extends React.PureComponent<Props> {
render () {
const { parachains_nextFreeId, parachains_parachains = [], t } = this.props;
return (
<SummaryBox>
<section>
<CardSummary label={t('parachains')}>
{formatNumber(parachains_parachains.length)}
</CardSummary>
</section>
{parachains_nextFreeId && (
<section>
<CardSummary label={t('next id')}>
{formatNumber(parachains_nextFreeId)}
</CardSummary>
</section>
)}
</SummaryBox>
);
}
}
export default translate(
withCalls<Props>(
'query.parachains.nextFreeId',
'query.parachains.parachains'
)(Summary)
);

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// Copyright 2017-2019 @polkadot/app-parachains authors & contributors
// This software may be modified and distributed under the terms
// of the Apache-2.0 license. See the LICENSE file for details.
import React from 'react';
import { Columar } from '@polkadot/ui-app';
import Parachains from './Parachains';
import Summary from './Summary';
type Props = {};
export default class Overview extends React.PureComponent<Props> {
render () {
return (
<>
<Summary />
<Columar>
<Parachains />
</Columar>
</>
);
}
}

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// Copyright 2017-2019 @polkadot/app-parachains authors & contributors
// This software may be modified and distributed under the terms
// of the Apache-2.0 license. See the LICENSE file for details.
import { AppProps, BareProps, I18nProps } from '@polkadot/ui-app/types';
import { TabItem } from '@polkadot/ui-app/Tabs';
import React from 'react';
import { Route, Switch } from 'react-router';
import { Tabs } from '@polkadot/ui-app';
import Overview from './Overview';
import translate from './translate';
type Props = AppProps & BareProps & I18nProps;
type State = {
tabs: Array<TabItem>
};
class App extends React.PureComponent<Props, State> {
constructor (props: Props) {
super(props);
const { t } = props;
this.state = {
tabs: [
{
isRoot: true,
name: 'overview',
text: t('Parachains overview')
}
]
};
}
render () {
const { basePath } = this.props;
const { tabs } = this.state;
return (
<main>
<header>
<Tabs
basePath={basePath}
items={tabs}
/>
</header>
<Switch>
<Route component={Overview} />
</Switch>
</main>
);
}
}
export default translate(App);

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// Copyright 2017-2019 @polkadot/app-parachains authors & contributors
// This software may be modified and distributed under the terms
// of the Apache-2.0 license. See the LICENSE file for details.
import { withTranslation } from 'react-i18next';
export default withTranslation(['parachains', 'ui']);

3
packages/apps-routing/src/index.ts
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@ -16,6 +16,7 @@ import democracy from './democracy';
import explorer from './explorer';
import extrinsics from './extrinsics';
import js from './js';
import parachains from './parachains';
import settings from './settings';
import staking from './staking';
import storage from './storage';
@ -35,6 +36,7 @@ const routes: Routes = appSettings.uiMode === 'light'
staking,
democracy,
council,
// TODO Not sure about the inclusion of treasury & parachains here
null,
settings,
template
@ -50,6 +52,7 @@ const routes: Routes = appSettings.uiMode === 'light'
democracy,
council,
treasury,
parachains,
null,
contracts,
storage,

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// Copyright 2017-2019 @polkadot/apps-routing authors & contributors
// This software may be modified and distributed under the terms
// of the Apache-2.0 license. See the LICENSE file for details.
import { Routes } from './types';
import Parachains from '@polkadot/app-parachains';
export default ([
{
Component: Parachains,
display: {
needsApi: [
'query.parachains.code'
]
},
i18n: {
defaultValue: 'Parachains'
},
icon: 'chain',
name: 'parachains'
}
] as Routes);

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packages/ui-app/src/Collection.tsx
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@ -43,27 +43,30 @@ export default class Collection<P extends CollectionProps, S extends CollectionS
super(props);
this.state = {
isEmpty: props.children && (props.children as Array<any>).length > 0
isEmpty: Collection.isEmpty(props.children)
} as S;
}
private static isEmpty (children?: React.ReactNode): boolean {
return !children || (Array.isArray(children) && children.length === 0);
}
static getDerivedStateFromProps ({ children }: CollectionProps) {
if (!children || (children as Array<any>).length <= 0) {
return { isEmpty: true };
}
return { isEmpty: false };
return {
isEmpty: Collection.isEmpty(children)
};
}
render () {
const { className } = this.props;
const { isEmpty, showHeader = true } = this.state;
const { isEmpty, showHeader } = this.state;
return (
<div className={className}>
{showHeader && this.renderHeader()}
{isEmpty ?
this.renderEmpty() :
this.renderCollection()
{isEmpty
? this.renderEmpty()
: this.renderCollection()
}
</div>
);
@ -74,9 +77,7 @@ export default class Collection<P extends CollectionProps, S extends CollectionS
return (
<div className='ui--Collection-header'>
<h1>
{headerText && headerText}
</h1>
<h1>{headerText}</h1>
{buttons && (
<div className='ui--Collection-buttons'>
{buttons}
@ -87,50 +88,20 @@ export default class Collection<P extends CollectionProps, S extends CollectionS
}
protected renderEmpty () {
const { t } = this.props;
const { emptyText, t } = this.props;
const emptyText = this.props.emptyText || t('No items');
// if (headerText) {
return (
<article>
<div className='ui--Collection-lowercase'>
{emptyText}
{emptyText || t('No items')}
</div>
</article>
);
// }
// return (
// <div className='ui--CardGrid-empty'>
// <h2>
// {emptyText}
// </h2>
// {buttons && (
// <div className='ui--CardGrid-buttons'>
// {buttons}
// </div>
// )}
// <div className='ui--CardGrid-spacer' />
// </div>
// );
}
protected renderCollection (): React.ReactNode {
const { children } = this.props;
return children;
}
// renderGrid () {
// const { children } = this.props;
//
// return (
// <div className='ui--CardGrid-grid'>
// {children}
// <div className='ui--CardGrid-spacer' />
// <div className='ui--CardGrid-spacer' />
// <div className='ui--CardGrid-spacer' />
// </div>
// );
// }
}

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tsconfig.json
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@ -23,6 +23,8 @@
"@polkadot/app-explorer/*": [ "packages/app-explorer/src/*" ],
"@polkadot/app-js": [ "packages/app-js/src" ],
"@polkadot/app-js/*": [ "packages/app-js/src/*" ],
"@polkadot/app-parachains": [ "packages/app-parachains/src" ],
"@polkadot/app-parachains/*": [ "packages/app-parachains/src/*" ],
"@polkadot/app-settings": [ "packages/app-settings/src" ],
"@polkadot/app-settings/*": [ "packages/app-settings/src/*" ],
"@polkadot/app-staking": [ "packages/app-staking/src" ],