lbry-desktop/js/lbry.js

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JavaScript
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var lbry = {
isConnected: false,
rootPath: '.',
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colors: {
primary: '#155B4A'
}
};
lbry.call = function (method, params, callback, errorCallback, connectFailedCallback)
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{
var xhr = new XMLHttpRequest;
xhr.addEventListener('load', function() {
var response = JSON.parse(xhr.responseText);
if (response.error) {
if (errorCallback) {
errorCallback(response.error);
}
} else if (callback) {
callback(response.result);
}
});
if (connectFailedCallback) {
xhr.addEventListener('error', function (e) {
connectFailedCallback(e);
});
}
xhr.open('POST', 'http://localhost:5279/lbryapi', true);
xhr.send(JSON.stringify({
'jsonrpc': '2.0',
'method': method,
'params': [params, ],
'id': 0
}));
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}
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//core
lbry.connect = function(callback)
{
// Check every half second to see if the daemon's running.
// Returns true to callback once connected, or false if it takes too long and we give up.
function checkDaemonRunning(tryNum=0) {
lbry.daemonRunningStatus(function (runningStatus) {
if (runningStatus) {
lbry.isConnected = true;
callback(true);
} else {
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if (tryNum <= 600) { // Move # of tries into constant or config option
setTimeout(function () {
checkDaemonRunning(tryNum + 1);
}, 500);
} else {
callback(false);
}
}
});
}
checkDaemonRunning();
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}
lbry.daemonRunningStatus = function (callback) {
// Returns true/false whether the daemon is running (i.e. fully conncected to the network),
// or null if the AJAX connection to the daemon fails.
lbry.call('is_running', {}, callback, null, function () {
callback(null);
});
};
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lbry.getDaemonStatus = function (callback) {
lbry.call('daemon_status', {}, callback);
};
lbry.getStartNotice = function(callback) {
lbry.call('get_start_notice', {}, callback);
}
lbry.getSettings = function(callback) {
lbry.call('get_settings', {}, callback);
};
lbry.setSettings = function(settings, callback) {
lbry.call('set_settings', settings, callback);
};
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lbry.getBalance = function(callback)
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{
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lbry.call("get_balance", {}, callback);
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}
lbry.search = function(query, callback)
{
lbry.call("search_nametrie", { "search": query }, callback);
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}
lbry.getVersionInfo = function(callback) {
lbry.call('version', {}, callback);
};
lbry.checkNewVersionAvailable = function(callback) {
lbry.call('version', {}, function() {
// If the "version" method is available, we have a daemon new enough to do version checking
lbry.call('check_for_new_version', {}, callback);
}, function(err) {
if (err.fault == 'NoSuchFunction') {
// If it's not available, we're definitely in an old version
callback(true);
}
});
}
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//utilities
lbry.formatCredits = function(amount, precision)
{
return amount.toFixed(precision || 1);
}
lbry.loadJs = function(src, type, onload)
{
var lbryScriptTag = document.getElementById('lbry'),
newScriptTag = document.createElement('script'),
type = type || 'text/javascript';
newScriptTag.src = src;
newScriptTag.type = type;
if (onload)
{
newScript.onload = onload;
}
lbryScriptTag.parentNode.insertBefore(newScriptTag, lbryScriptTag);
}
lbry.imagePath = function(file)
{
return lbry.rootPath + '/img/' + file;
}
lbry.stop = function(callback) {
lbry.call('stop', {}, callback);
};