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/*
This file is part of TALER
(C) 2015 GNUnet e.V.
TALER 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, or (at your option) any later version.
TALER 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
TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
*/
/**
* Page shown to the user to confirm entering
* a contract.
*
* @author Florian Dold
*/
import {substituteFulfillmentUrl} from "../lib/wallet/helpers";
import {Contract, AmountJson, IExchangeInfo} from "../lib/wallet/types";
import {Offer} from "../lib/wallet/wallet";
import {renderContract, prettyAmount} from "../lib/wallet/renderHtml";
"use strict";
import {getExchanges} from "../lib/wallet/wxApi";
interface DetailState {
collapsed: boolean;
exchanges: null|IExchangeInfo[];
}
interface DetailProps {
contract: Contract
collapsed: boolean
}
class Details extends React.Component<DetailProps, DetailState> {
constructor(props: DetailProps) {
super(props);
console.log("new Details component created");
this.state = {
collapsed: props.collapsed,
exchanges: null
};
console.log("initial state:", this.state);
this.update();
}
async update() {
let exchanges = await getExchanges();
this.setState({exchanges} as any);
}
render() {
console.log("details collapsed (state)", this.state.collapsed);
console.log("details collapsed (prop)", this.props.collapsed);
if (this.state.collapsed) {
return (
<div>
<button className="linky"
onClick={() => { this.setState({collapsed: false} as any)}}>
show more details
</button>
</div>
);
} else {
return (
<div>
<button className="linky"
onClick={() => this.setState({collapsed: true} as any)}>
show less details
</button>
<div>
Accepted exchanges:
<ul>
{this.props.contract.exchanges.map(
e => <li>{`${e.url}: ${e.master_pub}`}</li>)}
</ul>
Exchanges in the wallet:
<ul>
{(this.state.exchanges || []).map(
(e: IExchangeInfo) =>
<li>{`${e.baseUrl}: ${e.masterPublicKey}`}</li>)}
</ul>
</div>
</div>);
}
}
}
interface ContractPromptProps {
offerId: number;
}
interface ContractPromptState {
offer: any;
error: string|null;
payDisabled: boolean;
}
class ContractPrompt extends React.Component<ContractPromptProps, ContractPromptState> {
constructor() {
super();
this.state = {
offer: undefined,
error: null,
payDisabled: true,
}
}
componentWillMount() {
this.update();
this.checkPayment();
}
componentWillUnmount() {
// FIXME: abort running ops
}
async update() {
let offer = await this.getOffer();
this.setState({offer} as any);
this.checkPayment();
}
getOffer(): Promise<Offer> {
return new Promise((resolve, reject) => {
let msg = {
type: 'get-offer',
detail: {
offerId: this.props.offerId
}
};
chrome.runtime.sendMessage(msg, (resp) => {
resolve(resp);
});
})
}
checkPayment() {
let msg = {
type: 'check-pay',
detail: {
offer: this.state.offer
}
};
chrome.runtime.sendMessage(msg, (resp) => {
if (resp.error) {
console.log("check-pay error", JSON.stringify(resp));
switch (resp.error) {
case "coins-insufficient":
this.state.error = i18n`You have insufficient funds of the requested currency in your wallet.`;
break;
default:
this.state.error = `Error: ${resp.error}`;
break;
}
this.state.payDisabled = true;
} else {
this.state.payDisabled = false;
this.state.error = null;
}
this.setState({} as any);
window.setTimeout(() => this.checkPayment(), 500);
});
}
doPayment() {
let d = {offer: this.state.offer};
chrome.runtime.sendMessage({type: 'confirm-pay', detail: d}, (resp) => {
if (resp.error) {
console.log("confirm-pay error", JSON.stringify(resp));
switch (resp.error) {
case "coins-insufficient":
this.state.error = "You do not have enough coins of the" +
" requested currency.";
break;
default:
this.state.error = `Error: ${resp.error}`;
break;
}
this.setState({} as any);
return;
}
let c = d.offer.contract;
console.log("contract", c);
document.location.href = substituteFulfillmentUrl(c.fulfillment_url,
this.state.offer);
});
}
render() {
if (!this.state.offer) {
return <span>...</span>;
}
let c = this.state.offer.contract;
return (
<div>
<div>
{renderContract(c)}
</div>
<button onClick={() => this.doPayment()}
disabled={this.state.payDisabled}
className="accept">
Confirm payment
</button>
<div>
{(this.state.error ? <p className="errorbox">{this.state.error}</p> : <p />)}
</div>
<Details contract={c} collapsed={!this.state.error}/>
</div>
);
}
}
export function main() {
let url = URI(document.location.href);
let query: any = URI.parseQuery(url.query());
let offerId = JSON.parse(query.offerId);
ReactDOM.render(<ContractPrompt offerId={offerId}/>, document.getElementById(
"contract")!);
}
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