openethereum/js/src/api/subscriptions/personal.js
2017-02-09 11:07:08 -05:00

134 lines
3.8 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/>.
export default class Personal {
constructor (updateSubscriptions, api, subscriber) {
this._subscriber = subscriber;
this._api = api;
this._updateSubscriptions = updateSubscriptions;
this._started = false;
this._lastDefaultAccount = '0x0';
this._pollTimerId = null;
}
get isStarted () {
return this._started;
}
start () {
this._started = true;
return Promise.all([
this._defaultAccount(),
this._listAccounts(),
this._accountsInfo(),
this._loggingSubscribe()
]);
}
// FIXME: Because of the different API instances, the "wait for valid changes" approach
// doesn't work. Since the defaultAccount is critical to operation, we poll in exactly
// same way we do in ../eth (ala same as eth_blockNumber) and update. This should be moved
// to pub-sub as it becomes available
_defaultAccount = (timerDisabled = false) => {
const nextTimeout = (timeout = 1000) => {
if (!timerDisabled) {
this._pollTimerId = setTimeout(() => {
this._defaultAccount();
}, timeout);
}
};
if (!this._api.transport.isConnected) {
nextTimeout(500);
return;
}
return this._api.parity
.defaultAccount()
.then((defaultAccount) => {
if (this._lastDefaultAccount !== defaultAccount) {
this._lastDefaultAccount = defaultAccount;
this._updateSubscriptions('parity_defaultAccount', null, defaultAccount);
}
nextTimeout();
})
.catch(() => nextTimeout());
}
_listAccounts = () => {
return this._api.eth
.accounts()
.then((accounts) => {
this._updateSubscriptions('eth_accounts', null, accounts);
});
}
_accountsInfo = () => {
return this._api.parity
.accountsInfo()
.then((info) => {
this._updateSubscriptions('parity_accountsInfo', null, info);
return this._api.parity
.allAccountsInfo()
.catch(() => {
// NOTE: This fails on non-secure APIs, swallow error
return {};
})
.then((allInfo) => {
this._updateSubscriptions('parity_allAccountsInfo', null, allInfo);
});
});
}
_loggingSubscribe () {
return this._subscriber.subscribe('logging', (error, data) => {
if (error || !data) {
return;
}
switch (data.method) {
case 'parity_closeVault':
case 'parity_openVault':
case 'parity_killAccount':
case 'parity_importGethAccounts':
case 'parity_newAccountFromPhrase':
case 'parity_newAccountFromWallet':
case 'personal_newAccount':
this._defaultAccount(true);
this._listAccounts();
this._accountsInfo();
return;
case 'parity_removeAddress':
case 'parity_setAccountName':
case 'parity_setAccountMeta':
case 'parity_changeVault':
this._accountsInfo();
return;
case 'parity_setDappsAddresses':
case 'parity_setNewDappsWhitelist':
this._defaultAccount(true);
return;
}
});
}
}