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GenericAsset Transfer app (#1452)

Browse Source 
* Initial GenericAsset Transfer app

* Basic Assets page

* improve assets page a bit

* Make asset id dropdown in transfer

* fix linter issues

* update with new packages
This commit is contained in:
Xiliang Chen 2019-09-09 21:59:35 +12:00 committed by Jaco Greeff
parent 59411ecad0
commit 688231ca05
15 changed files with 932 additions and 1 deletions
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# @polkadot/app-generic-asset
A basic GenericAsset transfer application, allowing the movement of funds from one account to another.

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{
"name": "@polkadot/app-generic-asset",
"version": "0.34.0-beta.90",
"description": "A basic GenericAsset transfer app",
"main": "index.js",
"scripts": {},
"author": "Bryan Chen <xlchen1291@gmail.com>",
"maintainers": [
"Bryan Chen <xlchen1291@gmail.com>"
],
"license": "Apache-2.0",
"dependencies": {
"@babel/runtime": "^7.5.5",
"@polkadot/react-components": "^0.35.0-beta.20"
}
}

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// Copyright 2019 @polkadot/app-generic-asset 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 styled from 'styled-components';
import { Card, Button } from '@polkadot/react-components';
import { I18nProps } from '@polkadot/react-components/types';
import AssetRow from './AssetRow';
import translate from './translate';
type Props = I18nProps & {
assetId: string;
name: string;
onSaveName: (id: string, name: string) => void;
onForget: (id: string) => void;
};
const Details = styled.div`
`;
class AssetCard extends React.PureComponent<Props> {
public render (): React.ReactNode {
const { className, assetId, name, t } = this.props;
return (
<Card className={className}>
<Details>
<AssetRow
isEditable
assetId={assetId}
defaultName={name}
buttons={(
<Button
isNegative
onClick={this.onForget}
icon='trash'
key='forget'
size='small'
tooltip={t('Forget this asset')}
/>
)}
onSaveName={this.onSaveName}
/>
</Details>
</Card>
);
}
private onForget = (): void => {
this.props.onForget(this.props.assetId);
};
private onSaveName = (name: string): void => {
this.props.onSaveName(this.props.assetId, name);
}
}
export default translate(AssetCard);

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// Copyright 2019 @polkadot/app-generic-asset 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 styled from 'styled-components';
import { CopyButton } from '@polkadot/react-components';
import Row, { styles, RowProps, RowState } from '@polkadot/react-components/Row';
import { I18nProps } from '@polkadot/react-components/types';
import translate from './translate';
type Props = I18nProps & RowProps & {
onSaveName: (name: string) => void;
assetId: string;
}
class AssetRow extends Row<Props, RowState> {
public constructor (props: Props) {
super(props);
this.state.name = this.props.defaultName || 'New Asset';
}
public render (): React.ReactNode {
const { className } = this.props;
return (
<div
className={`ui--Row ${className}`}
>
<div className='ui--Row-base'>
<div className='ui--Row-details'>
{this.renderName()}
{this.renderAssetId()}
</div>
{this.renderButtons()}
</div>
</div>
);
}
protected saveName = (): void => {
const { name } = this.state;
const { onSaveName } = this.props;
const trimmedName = name.trim();
onSaveName(trimmedName);
this.setState({ isEditingName: false });
}
private renderAssetId (): React.ReactNode {
const { assetId, t } = this.props;
return (
<div className='ui--Row-details'>
<CopyButton value={assetId}>
<span>{t('Asset ID')}: {assetId}</span>
</CopyButton>
</div>
);
}
}
export default translate(styled(AssetRow)`${styles}`);

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// Copyright 2019 @polkadot/app-generic-asset 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 BN from 'bn.js';
import React from 'react';
import { I18nProps } from '@polkadot/react-components/types';
import { Button, CardGrid } from '@polkadot/react-components';
import { withMulti, withObservable } from '@polkadot/react-api';
import assetRegistry, { AssetsSubjectInfo } from './assetsRegistry';
import AssetCard from './AssetCard';
import CreateModal from './modals/Create';
import translate from './translate';
type Props = I18nProps & {
assets?: AssetsSubjectInfo;
};
interface State {
isCreateOpen: boolean;
}
class Assets extends React.PureComponent<Props, State> {
public state: State = {
isCreateOpen: false
};
public render (): React.ReactNode {
const { assets, t } = this.props;
const { isCreateOpen } = this.state;
const emptyScreen = !isCreateOpen && (!assets || Object.keys(assets).length === 0);
return (
<CardGrid
buttons={
<Button.Group>
<Button
isPrimary
label={t('Register Asset')}
onClick={this.toggleCreate}
/>
</Button.Group>
}
isEmpty={emptyScreen}
emptyText={t('No assets found.')}
>
{isCreateOpen && (
<CreateModal
onClose={this.toggleCreate}
onRegister={this.onRegister}
/>
)}
{assets && Object.entries(assets).map(([id, name]): React.ReactNode => (
<AssetCard
key={id}
assetId={id}
name={name}
onSaveName={this.onSaveName}
onForget={this.onForget}
/>
))}
</CardGrid>
);
}
private onRegister = (id: BN, name: string): void => {
assetRegistry.add(id.toString(), name);
}
private toggleCreate = (): void => {
this.setState(({ isCreateOpen }): State => ({
isCreateOpen: !isCreateOpen
}));
}
private onSaveName = (id: string, name: string): void => {
assetRegistry.add(id, name);
}
private onForget = (id: string): void => {
assetRegistry.remove(id);
}
}
export default withMulti(
Assets,
translate,
withObservable(assetRegistry.subject, { propName: 'assets' })
);

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/* eslint-disable @typescript-eslint/camelcase */
// Copyright 2019 @polkadot/app-generic-asset 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 { SubmittableExtrinsic } from '@polkadot/api/promise/types';
import { ApiProps } from '@polkadot/react-api/types';
import { I18nProps } from '@polkadot/react-components/types';
import BN from 'bn.js';
import React from 'react';
import styled from 'styled-components';
import { Button, InputAddress, InputBalance, TxButton, Dropdown } from '@polkadot/react-components';
import { Available } from '@polkadot/react-query';
import Checks from '@polkadot/react-signer/Checks';
import { withApi, withMulti, withObservable } from '@polkadot/react-api';
import assetRegistry, { AssetsSubjectInfo } from './assetsRegistry';
import translate from './translate';
type Props = ApiProps & I18nProps & {
className?: string;
onClose: () => void;
recipientId?: string;
senderId?: string;
assets?: AssetsSubjectInfo;
};
interface State {
assetId: string;
amount: BN;
extrinsic: SubmittableExtrinsic | null;
hasAvailable: boolean;
recipientId?: string | null;
senderId?: string | null;
}
const ZERO = new BN(0);
class Transfer extends React.PureComponent<Props> {
public state: State;
public constructor (props: Props) {
super(props);
this.state = {
assetId: '0',
amount: ZERO,
extrinsic: null,
hasAvailable: true,
recipientId: props.recipientId || null,
senderId: props.senderId || null
};
}
public render (): React.ReactNode {
return (
<div>
{this.renderContent()}
{this.renderButtons()}
</div>
);
}
private nextState (newState: Partial<State>): void {
this.setState((prevState: State): State => {
const { api } = this.props;
const {
amount = prevState.amount,
recipientId = prevState.recipientId,
hasAvailable = prevState.hasAvailable,
senderId = prevState.senderId,
assetId = prevState.assetId
} = newState;
const extrinsic = recipientId && senderId
? api.tx.genericAsset.transfer(assetId, recipientId, amount)
: null;
return {
assetId,
amount,
extrinsic,
hasAvailable,
recipientId,
senderId
};
});
}
private renderButtons (): React.ReactNode {
const { onClose, t } = this.props;
const { extrinsic, hasAvailable, senderId } = this.state;
return (
<Button.Group>
<TxButton
accountId={senderId}
extrinsic={extrinsic}
isDisabled={!hasAvailable}
isPrimary
label={t('Make Transfer')}
onStart={onClose}
withSpinner={false}
/>
</Button.Group>
);
}
private renderContent (): React.ReactNode {
const { assets, className, recipientId: propRecipientId, senderId: propSenderId, t } = this.props;
const { extrinsic, hasAvailable, recipientId, senderId, assetId } = this.state;
const available = <span className='label'>{t('available ')}</span>;
const options = assets
? Object.entries(assets)
.map(([id, name]): { value: string; text: string } => ({
value: id,
text: `${name} (${id})`
}))
: [];
return (
<div className={className}>
<InputAddress
defaultValue={propSenderId}
help={t('The account you will send funds from.')}
isDisabled={!!propSenderId}
label={t('send from account')}
labelExtra={<Available label={available} params={senderId} />}
onChange={this.onChangeFrom}
type='account'
/>
<InputAddress
defaultValue={propRecipientId}
help={t('Select a contact or paste the address you want to send funds to.')}
isDisabled={!!propRecipientId}
label={t('send to address')}
labelExtra={<Available label={available} params={recipientId} />}
onChange={this.onChangeTo}
type='allPlus'
/>
<Dropdown
allowAdd
help={t('Enter the Asset ID of the token you want to transfer.')}
label={t('asset id')}
onChange={this.onChangeAssetId}
options={options}
onAdd={this.onAddAssetId}
value={assetId}
/>
<InputBalance
help={t('Type the amount you want to transfer. Note that you can select the unit on the right e.g sending 1 mili is equivalent to sending 0.001.')}
isError={!hasAvailable}
label={t('amount')}
onChange={this.onChangeAmount}
/>
<Checks
accountId={senderId}
extrinsic={extrinsic}
isSendable
onChange={this.onChangeFees}
/>
</div>
);
}
private onChangeAmount = (amount: BN = new BN(0)): void => {
this.nextState({ amount });
}
private onChangeFrom = (senderId: string): void => {
this.nextState({ senderId });
}
private onChangeTo = (recipientId: string): void => {
this.nextState({ recipientId });
}
private onChangeFees = (hasAvailable: boolean): void => {
this.setState({ hasAvailable });
}
private onChangeAssetId = (assetId: string): void => {
this.nextState({ assetId });
}
private onAddAssetId = (id: string): void => {
if (id.trim().match(/^\d+$/)) {
assetRegistry.add(id, id);
}
}
}
export default withMulti(
styled(Transfer)`
article.padded {
box-shadow: none;
margin-left: 2rem;
}
.balance {
margin-bottom: 0.5rem;
text-align: right;
padding-right: 1rem;
.label {
opacity: 0.7;
}
}
label.with-help {
flex-basis: 10rem;
}
`,
translate,
withApi,
withObservable(assetRegistry.subject, { propName: 'assets' })
);

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// Copyright 2019 @polkadot/app-generic-asset 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 { BehaviorSubject } from 'rxjs';
const ASSETS_KEY = 'polkadot-app-generic-asset-assets';
export interface AssetsSubjectInfo { [id: string]: string }
let initalAssets: AssetsSubjectInfo = {};
try {
const storedAsset = localStorage.getItem(ASSETS_KEY);
if (storedAsset) {
initalAssets = JSON.parse(storedAsset);
}
} catch (e) {
// ignore error
}
const subject = new BehaviorSubject(initalAssets);
subject.subscribe((assets): void =>
localStorage.setItem(ASSETS_KEY, JSON.stringify(assets))
);
export default {
getAssets: (): AssetsSubjectInfo[] =>
Object.entries(subject.getValue()).map(([id, name]): AssetsSubjectInfo => ({ id, name })),
add: (id: string, name: string): void => {
const assets = subject.getValue();
subject.next({
...assets,
[id]: name
});
},
remove: (id: string): void => {
// eslint-disable-next-line @typescript-eslint/no-unused-vars
const { [id]: ignore, ...assets } = subject.getValue();
subject.next(assets);
},
subject
};

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// Copyright 2019 @polkadot/app-generic-asset 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/react-components/types';
import { TabItem } from '@polkadot/react-components/Tabs';
import React from 'react';
import { Route, Switch } from 'react-router';
import { Tabs } from '@polkadot/react-components';
import Transfer from './Transfer';
import Assets from './Assets';
import translate from './translate';
type Props = AppProps & BareProps & I18nProps;
interface State {
tabs: TabItem[];
}
class App extends React.PureComponent<Props, State> {
public constructor (props: Props) {
super(props);
const { t } = props;
this.state = {
tabs: [
{
isRoot: true,
name: 'assets',
text: t('Assets')
},
{
name: 'transfer',
text: t('Transfer')
}
]
};
}
public render (): React.ReactNode {
const { basePath } = this.props;
const { tabs } = this.state;
return (
<main className='treasury--App'>
<header>
<Tabs
basePath={basePath}
items={tabs}
/>
</header>
<Switch>
<Route path={`${basePath}/transfer`} component={Transfer} />
<Route component={Assets} />
</Switch>
</main>
);
}
}
export default translate(App);

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// Copyright 2017-2019 @polkadot/app-address-book 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 BN from 'bn.js';
import React from 'react';
import { I18nProps } from '@polkadot/react-components/types';
import { InputNumber, Button, Input, Modal } from '@polkadot/react-components';
import translate from '../translate';
export interface ModalProps {
onClose: () => void;
onRegister: (id: BN, name: string) => void;
}
type Props = ModalProps & I18nProps;
interface State {
assetId: BN;
name: string;
}
class Create extends React.PureComponent<Props, State> {
public state: State;
public constructor (props: Props) {
super(props);
this.state = this.emptyState();
}
public render (): React.ReactNode {
const { t } = this.props;
return (
<Modal
dimmer='inverted'
open
>
<Modal.Header>{t('Register an Asset')}</Modal.Header>
{this.renderContent()}
{this.renderButtons()}
</Modal>
);
}
private renderButtons (): React.ReactNode {
const { t } = this.props;
const { name } = this.state;
return (
<Modal.Actions>
<Button.Group>
<Button
isNegative
onClick={this.onDiscard}
label={t('Cancel')}
/>
<Button.Or />
<Button
isDisabled={!name}
isPrimary
onClick={this.onCommit}
label={t('Register')}
/>
</Button.Group>
</Modal.Actions>
);
}
private renderContent (): React.ReactNode {
const { t } = this.props;
const { assetId, name } = this.state;
return (
<Modal.Content>
<InputNumber
help={t('Enter the Asset ID of the token you want to manage.')}
label={t('asset id')}
onChange={this.onChangeNewAssetId}
onEnter={this.onCommit}
value={assetId}
/>
<Input
className='full'
help={t('Type the name of this Asset. This name will be used across all the apps. It can be edited later on.')}
isError={!name}
label={t('name')}
onChange={this.onChangeName}
onEnter={this.onCommit}
value={name}
/>
</Modal.Content>
);
}
private emptyState (): State {
return {
assetId: new BN(0),
name: 'new asset'
};
}
private onChangeNewAssetId = (assetId: BN | undefined): void => {
this.setState({ assetId: assetId || new BN(0) });
}
private onChangeName = (name: string): void => {
this.setState({ name });
}
private onCommit = (): void => {
const { onClose, onRegister } = this.props;
const { assetId, name } = this.state;
onRegister(assetId, name);
onClose();
}
private onDiscard = (): void => {
const { onClose } = this.props;
onClose();
}
}
export default translate(Create);

7
packages/app-generic-asset/src/translate.ts Normal file
View File

@ -0,0 +1,7 @@
// Copyright 2019 @polkadot/app-generic-asset 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(['generic-asset', 'ui']);

25
packages/apps-routing/src/generic-asset.ts Normal file
View File

@ -0,0 +1,25 @@
// 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 GenericAsset from '@polkadot/app-generic-asset';
export default ([
{
Component: GenericAsset,
display: {
isHidden: false,
needsAccounts: true,
needsApi: [
'tx.genericAsset.transfer'
]
},
i18n: {
defaultValue: 'Generic Asset'
},
icon: 'cubes',
name: 'generic-asset'
}
] as Routes);

3
packages/apps-routing/src/index.ts
View File

@ -16,6 +16,7 @@ import council from './council';
import democracy from './democracy';
import explorer from './explorer';
import extrinsics from './extrinsics';
import genericAsset from './generic-asset';
import js from './js';
import parachains from './parachains';
import settings from './settings';
@ -34,6 +35,7 @@ const routes: Routes = appSettings.uiMode === 'light'
addressbook,
claims,
transfer,
genericAsset,
null,
staking,
democracy,
@ -49,6 +51,7 @@ const routes: Routes = appSettings.uiMode === 'light'
addressbook,
claims,
transfer,
genericAsset,
null,
staking,
democracy,

2
packages/react-params/src/Param/findComponent.ts
View File

@ -37,7 +37,7 @@ interface TypeToComponent {
const components: ComponentMap = ([
{ c: Account, t: ['AccountId', 'AccountIdOf', 'Address', 'AuthorityId', 'SessionKey', 'ValidatorId'] },
{ c: Amount, t: ['AccountIndex', 'BlockNumber', 'Gas', 'Index', 'Nonce', 'ParaId', 'ProposalIndex', 'PropIndex', 'ReferendumIndex', 'u16', 'u32', 'u64', 'u128', 'u256', 'VoteIndex'] },
{ c: Amount, t: ['AccountIndex', 'AssetId', 'BlockNumber', 'Gas', 'Index', 'Nonce', 'ParaId', 'ProposalIndex', 'PropIndex', 'ReferendumIndex', 'u16', 'u32', 'u64', 'u128', 'u256', 'VoteIndex'] },
{ c: Balance, t: ['Amount', 'AssetOf', 'Balance', 'BalanceOf'] },
{ c: Bool, t: ['bool'] },
{ c: Bytes, t: ['Bytes'] },

2
tsconfig.json
View File

@ -23,6 +23,8 @@
"@polkadot/app-extrinsics/*": [ "packages/app-extrinsics/src/*" ],
"@polkadot/app-explorer": [ "packages/app-explorer/src" ],
"@polkadot/app-explorer/*": [ "packages/app-explorer/src/*" ],
"@polkadot/app-generic-asset": [ "packages/app-generic-asset/src" ],
"@polkadot/app-generic-asset/*": [ "packages/app-generic-asset/src/*" ],
"@polkadot/app-js": [ "packages/app-js/src" ],
"@polkadot/app-js/*": [ "packages/app-js/src/*" ],
"@polkadot/app-parachains": [ "packages/app-parachains/src" ],