2016-12-11 19:30:54 +01:00
|
|
|
// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
|
2016-11-10 13:37:32 +01:00
|
|
|
// 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/>.
|
|
|
|
|
2017-01-09 18:02:59 +01:00
|
|
|
import subscribeToEvents from '../util/subscribe-to-events';
|
2016-11-28 17:39:55 +01:00
|
|
|
|
2016-11-17 12:57:30 +01:00
|
|
|
export const checkIfVerified = (contract, account) => {
|
|
|
|
return contract.instance.certified.call({}, [account]);
|
|
|
|
};
|
|
|
|
|
|
|
|
export const checkIfRequested = (contract, account) => {
|
2016-11-23 10:30:47 +01:00
|
|
|
let subId = null;
|
|
|
|
let resolved = false;
|
|
|
|
|
2016-11-10 13:37:32 +01:00
|
|
|
return new Promise((resolve, reject) => {
|
2016-11-23 10:30:47 +01:00
|
|
|
contract
|
|
|
|
.subscribe('Requested', {
|
|
|
|
fromBlock: 0, toBlock: 'pending'
|
|
|
|
}, (err, logs) => {
|
|
|
|
if (err) {
|
|
|
|
return reject(err);
|
|
|
|
}
|
|
|
|
const e = logs.find((l) => {
|
|
|
|
return l.type === 'mined' && l.params.who && l.params.who.value === account;
|
|
|
|
});
|
|
|
|
|
|
|
|
resolve(e ? e.transactionHash : false);
|
|
|
|
resolved = true;
|
|
|
|
|
|
|
|
if (subId) {
|
|
|
|
contract.unsubscribe(subId);
|
|
|
|
}
|
|
|
|
})
|
|
|
|
.then((_subId) => {
|
|
|
|
subId = _subId;
|
|
|
|
|
|
|
|
if (resolved) {
|
|
|
|
contract.unsubscribe(subId);
|
|
|
|
}
|
2016-11-15 19:05:16 +01:00
|
|
|
});
|
2016-11-10 13:37:32 +01:00
|
|
|
});
|
|
|
|
};
|
2016-11-28 17:39:55 +01:00
|
|
|
|
|
|
|
const blockNumber = (api) => {
|
|
|
|
return new Promise((resolve, reject) => {
|
|
|
|
api.subscribe('eth_blockNumber', (err, block) => {
|
|
|
|
if (err) {
|
|
|
|
return reject(err);
|
|
|
|
}
|
|
|
|
resolve(block);
|
|
|
|
})
|
|
|
|
.then((subscription) => {
|
|
|
|
api.unsubscribe(subscription);
|
|
|
|
})
|
|
|
|
.catch(reject);
|
|
|
|
});
|
|
|
|
};
|
|
|
|
|
|
|
|
export const awaitPuzzle = (api, contract, account) => {
|
|
|
|
return blockNumber(api)
|
|
|
|
.then((block) => {
|
|
|
|
return new Promise((resolve, reject) => {
|
2017-01-09 19:03:19 +01:00
|
|
|
const subscription = subscribeToEvents(contract, ['Puzzled'], {
|
2016-11-28 17:39:55 +01:00
|
|
|
from: block.toNumber(),
|
|
|
|
filter: (log) => log.params.who.value === account
|
|
|
|
});
|
|
|
|
subscription.once('error', reject);
|
|
|
|
subscription.once('log', subscription.unsubscribe);
|
|
|
|
subscription.once('log', resolve);
|
|
|
|
subscription.once('timeout', () => {
|
|
|
|
reject(new Error('Timed out waiting for the puzzle.'));
|
|
|
|
});
|
|
|
|
});
|
|
|
|
});
|
|
|
|
};
|