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server.js
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server.js
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const {log} = console;
const http = require('http');
const https = require('https');
const {join} = require('path');
const {readFileSync} = require('fs');
const asyncAuto = require('async/auto');
const asyncRetry = require('async/retry');
const basicAuth = require('basicauth-middleware');
const bodyParser = require('body-parser');
const compress = require('compression')();
const config = require('dotenv').config();
const cors = require('cors');
const express = require('express');
const logger = require('morgan');
const WebSocketServer = require('ws').Server;
const {addressesRouter} = require('./routers');
const {authorizer} = require('./routers');
const {balanceRouter} = require('./routers');
const {channelsRouter} = require('./routers');
const {connectionsRouter} = require('./routers');
const {cryptoRouter} = require('./routers');
const {exchangeRouter} = require('./routers');
const {historyRouter} = require('./routers');
const {invoicesRouter} = require('./routers');
const {isWalletLocked} = require('./service');
const {localLnd} = require('./service');
const {networkInfoRouter} = require('./routers');
const {paymentsRouter} = require('./routers');
const {peersRouter} = require('./routers');
const {purchasedRouter} = require('./routers');
const {subscribeToGraph} = require('./push');
const {subscribeToInvoices} = require('./push');
const {subscribeToTransactions} = require('./push');
const {transactionsRouter} = require('./routers');
const {unlockWallet} = require('./unlocker');
const {verifyClient} = require('./push');
const {walletInfoRouter} = require('./routers');
const {walletPasswordPrompt} = require('./service');
const app = express();
const httpsPort = 18554;
const {LNSERVICE_LND_DIR} = process.env;
const logFormat = ':method :url :status - :response-time ms - :user-agent';
const {NODE_ENV} = process.env;
const port = process.env.PORT || 10553;
const unlockDelayMs = 1000;
const unlockerLnd = localLnd({is_unlocker: true});
return asyncAuto({
// Determine if the wallet is locked
isLocked: cbk => isWalletLocked({}, cbk),
// Get the wallet unlock password
walletPassword: ['isLocked', async ({isLocked}, cbk) => {
return !isLocked ? Promise.resolve() : await walletPasswordPrompt({});
}],
// Unlock the wallet if necessary
unlockWallet: [
'isLocked',
'walletPassword',
({isLocked, walletPassword}, cbk) =>
{
// Exit early when there is no need to unlock
if (!isLocked) {
return cbk();
}
return unlockWallet({
lnd: unlockerLnd.lnd,
password: walletPassword,
},
err => {
if (!!err) {
return cbk(err);
}
return setTimeout(() => cbk(), unlockDelayMs);
});
}],
// Start API server
startServer: ['unlockWallet', ({}, cbk) => {
const server = app
.listen(port, () => log(null, `Listening HTTP on port: ${port}`))
.on('error', err => log([500, 'ListenError', err]));
const [cert, key] = ['cert', 'key']
.map(extension => join(LNSERVICE_LND_DIR, `tls.${extension}`))
.map(n => readFileSync(n, 'utf8'));
const httpsServer = https.createServer({cert, key}, app);
const wss = [
new WebSocketServer({server, verifyClient}),
new WebSocketServer({server: httpsServer, verifyClient}),
];
const {lnd} = localLnd({});
httpsServer.listen(httpsPort);
app.disable('x-powered-by');
app.use(compress);
app.use(cors());
app.use(bodyParser.json());
app.use(logger(logFormat));
app.use(basicAuth(authorizer));
app.use('/v0/addresses', addressesRouter({lnd, log}));
app.use('/v0/balance', balanceRouter({lnd, log}));
app.use('/v0/channels', channelsRouter({lnd, log}));
app.use('/v0/connections', connectionsRouter({lnd, log}));
app.use('/v0/crypto', cryptoRouter({lnd, log}));
app.use('/v0/exchange', exchangeRouter({log}));
app.use('/v0/history', historyRouter({lnd, log}));
app.use('/v0/invoices', invoicesRouter({lnd, log, wss}));
app.use('/v0/network_info', networkInfoRouter({lnd, log}));
app.use('/v0/payments', paymentsRouter({lnd, log, wss}));
app.use('/v0/peers', peersRouter({lnd, log}));
app.use('/v0/purchased', purchasedRouter({lnd, log}));
app.use('/v0/transactions', transactionsRouter({lnd, log, wss}));
app.use('/v0/wallet_info', walletInfoRouter({lnd, log}));
subscribeToGraph({lnd, log, wss});
subscribeToInvoices({lnd, log, wss});
subscribeToTransactions({lnd, log, wss});
return cbk();
}],
},
err => {
if (!!err) {
return log(err);
}
return;
});