* Don't auto-subscribe for contracts #3240 * Smarter Balance : don't re-instantiate contracts, fetch tokens #3240 * Smarter Balance Tokens fetching (update image when needed) #3240 * Attaching to TokenReg Events instead of fetching for each block #3240 * Unsubscribe from shapeshit... #3240 * Unsubscribe from EthFilter if used once (resolved) #3240 * Remove warning * PR review fix * Typo * Better contract JS API : one subscribe for all #3546 * Fixed test
53 lines
1.5 KiB
JavaScript
53 lines
1.5 KiB
JavaScript
// Copyright 2015, 2016 Ethcore (UK) Ltd.
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// This file is part of Parity.
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// Parity is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// Parity is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with Parity. If not, see <http://www.gnu.org/licenses/>.
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export const checkIfVerified = (contract, account) => {
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return contract.instance.certified.call({}, [account]);
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};
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export const checkIfRequested = (contract, account) => {
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let subId = null;
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let resolved = false;
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return new Promise((resolve, reject) => {
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contract
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.subscribe('Requested', {
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fromBlock: 0, toBlock: 'pending'
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}, (err, logs) => {
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if (err) {
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return reject(err);
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}
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const e = logs.find((l) => {
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return l.type === 'mined' && l.params.who && l.params.who.value === account;
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});
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resolve(e ? e.transactionHash : false);
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resolved = true;
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if (subId) {
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contract.unsubscribe(subId);
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}
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})
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.then((_subId) => {
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subId = _subId;
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if (resolved) {
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contract.unsubscribe(subId);
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}
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});
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});
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};
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