@parity/api
Version:
The Parity Promise-based API library for interfacing with Ethereum over RPC
154 lines (153 loc) • 6.06 kB
JavaScript
"use strict";
// Copyright 2015-2019 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/>.
var Personal = /** @class */ (function () {
function Personal(updateSubscriptions, api, subscriber) {
var _this = this;
this._subscriber = subscriber;
this._api = api;
this._updateSubscriptions = updateSubscriptions;
this._started = false;
this._lastDefaultAccount = '0x0';
this._pollTimerId = null;
this._accountsInfo = this._accountsInfo.bind(this);
this._defaultAccount = this._defaultAccount.bind(this);
this._listAccounts = this._listAccounts.bind(this);
this._api.provider.on('close', function () {
if (_this.isStarted) {
_this.start();
}
});
}
Object.defineProperty(Personal.prototype, "isStarted", {
get: function () {
return this._started;
},
enumerable: true,
configurable: true
});
Personal.prototype.start = function () {
var _this = this;
this._started = true;
var defaultAccount = null;
if (this._api.isPubSub) {
defaultAccount = this._api.pubsub
.subscribeAndGetResult(function (callback) { return _this._api.pubsub.parity.defaultAccount(callback); }, function (defaultAccount) {
_this.updateDefaultAccount(defaultAccount);
return defaultAccount;
});
}
else {
defaultAccount = this._defaultAccount();
}
return Promise.all([
defaultAccount,
this._listAccounts(),
this._accountsInfo(),
this._loggingSubscribe()
]);
};
Personal.prototype.updateDefaultAccount = function (defaultAccount) {
if (this._lastDefaultAccount !== defaultAccount) {
this._lastDefaultAccount = defaultAccount;
this._updateSubscriptions('parity_defaultAccount', null, defaultAccount);
}
};
// 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 eth_blockNumber) and update. This should be moved
// to pub-sub as it becomes available
Personal.prototype._defaultAccount = function (timerDisabled) {
var _this = this;
if (timerDisabled === void 0) { timerDisabled = false; }
var nextTimeout = function (timeout) {
if (timeout === void 0) { timeout = 3000; }
if (!timerDisabled) {
_this._pollTimerId = setTimeout(function () {
_this._defaultAccount();
}, timeout);
}
};
if (!this._api.isConnected) {
nextTimeout(500);
return;
}
return this._api.parity
.defaultAccount()
.then(function (defaultAccount) {
_this.updateDefaultAccount(defaultAccount);
nextTimeout();
})
.catch(function () { return nextTimeout(); });
};
Personal.prototype._listAccounts = function () {
var _this = this;
return this._api.eth
.accounts()
.then(function (accounts) {
_this._updateSubscriptions('eth_accounts', null, accounts);
});
};
Personal.prototype._accountsInfo = function () {
var _this = this;
return this._api.parity
.accountsInfo()
.then(function (info) {
_this._updateSubscriptions('parity_accountsInfo', null, info);
return _this._api.parity
.allAccountsInfo()
.catch(function () {
// NOTE: This fails on non-secure APIs, swallow error
return {};
})
.then(function (allInfo) {
_this._updateSubscriptions('parity_allAccountsInfo', null, allInfo);
});
});
};
Personal.prototype._loggingSubscribe = function () {
var _this = this;
return this._subscriber.subscribe('logging', function (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();
break;
case 'parity_removeAddress':
case 'parity_setAccountName':
case 'parity_setAccountMeta':
_this._accountsInfo();
break;
case 'parity_setDappAddresses':
case 'parity_setDappDefaultAddress':
case 'parity_setNewDappsAddresses':
case 'parity_setNewDappsDefaultAddress':
_this._defaultAccount(true);
_this._listAccounts();
break;
}
});
};
return Personal;
}());
module.exports = Personal;