openethereum/js/packages/dapp-registry/Events/actions.js
Jaco Greeff 49fdd23d58 Ui 2 move to packages/* (#6113)
* Move secureApi to shell

* Extract isTestnet test

* Use mobx + subscriptions for status

* Re-add status indicator

* Add lerna

* Move intial packages to js/packages

* Move 3rdparty/{email,sms}-verification to correct location

* Move package.json & README to library src

* Move tests for library packages

* Move views & dapps to packages

* Move i18n to root

* Move shell to actual src (main app)

* Remove ~ references

* Change ~ to root (explicit imports)

* Finalise convert of ~

* Move views into dapps as well

* Move dapps to packages/

* Fix references

* Update css

* Update test spec locations

* Update tests

* Case fix

* Skip flakey tests

* Update enzyme

* Skip previously ignored tests

* Allow empty api for hw

* Re-add theme for embed
2017-07-21 15:46:53 +02:00

103 lines
3.1 KiB
JavaScript

// Copyright 2015-2017 Parity Technologies (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 { api } from '../parity.js';
export const start = (name, from, to) => ({ type: 'events subscribe start', name, from, to });
export const fail = (name) => ({ type: 'events subscribe fail', name });
export const success = (name, subscription) => ({ type: 'events subscribe success', name, subscription });
export const event = (name, event) => ({ type: 'events event', name, event });
export const subscribe = (name, from = 0, to = 'pending') =>
(dispatch, getState) => {
const { contract } = getState();
if (!contract) {
return;
}
const opt = { fromBlock: from, toBlock: to, limit: 50 };
dispatch(start(name, from, to));
contract
.subscribe(name, opt, (error, events) => {
if (error) {
console.error(`error receiving events for ${name}`, error);
return;
}
events.forEach((e) => {
Promise.all([
api.parity.getBlockHeaderByNumber(e.blockNumber),
api.eth.getTransactionByHash(e.transactionHash)
])
.then(([block, tx]) => {
const data = {
type: name,
key: '' + e.transactionHash + e.logIndex,
state: e.type,
block: e.blockNumber,
index: e.logIndex,
transaction: e.transactionHash,
from: tx.from,
to: tx.to,
parameters: e.params,
timestamp: block.timestamp
};
dispatch(event(name, data));
})
.catch((err) => {
console.error(`could not fetch block ${e.blockNumber}.`);
console.error(err);
});
});
})
.then((subscriptionId) => {
dispatch(success(name, subscriptionId));
})
.catch((error) => {
console.error('event subscription failed', error);
dispatch(fail(name));
});
};
export const unsubscribe = (name) =>
(dispatch, getState) => {
const state = getState();
if (!state.contract) {
return;
}
const subscriptions = state.events.subscriptions;
if (!(name in subscriptions) || subscriptions[name] === null) {
return;
}
state.contract
.unsubscribe(subscriptions[name])
.then(() => {
dispatch({ type: 'events unsubscribe', name });
})
.catch((error) => {
console.error('event unsubscribe failed', error);
});
};