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NFTPAR-1156 to develop #52

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65 changes: 41 additions & 24 deletions index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -4,22 +4,12 @@ const { Logger } = require('./utils/logger');
const { BlockExplorer } = require('./blockexplorer')
const rtt = require('./config/runtime_types.json');
const { ProvierFactory } = require('./lib/providerAPI/providerAPI');
const { startServer } = require('./prometheus');
const { startServer, closeServer } = require('./prometheus');


const log = new Logger();


async function getSequlize(sConnect) {
const result = new Sequelize(sConnect);
try {
await result.authenticate();
return result;
} catch (error) {
log.error(error);
}
}

const sequelize = new Sequelize(dbConnect);

async function getPolkadotAPI(wsProviderUrl, rtt) {
log.info(`Connecting to ${wsProviderUrl}`);
Expand Down Expand Up @@ -68,20 +58,47 @@ async function getPolkadotAPI(wsProviderUrl, rtt) {
}

async function main() {
const sequelize = await getSequlize(dbConnect);
const api = await getPolkadotAPI(wsProviderUrl, rtt);
const blockExplorer = new BlockExplorer({
api, sequelize, crawlers
});
await blockExplorer.run()

startServer(() => {
log.info('Server running...')
});
try {
await sequelize.authenticate();

const api = await getPolkadotAPI(wsProviderUrl, rtt);
const blockExplorer = new BlockExplorer({
api, sequelize, crawlers
});

await blockExplorer.run()

startServer(() => {
log.info('Server running...')
});

} catch (error) {
log.error;
}
}

main().catch((error) => {
console.error(error);
process.on('SIGTERM', () => {
closeServer(() => {
log.info('Close server');
});

const hightestTimeoutId = setTimeout(() => {
console.log('Closed');
process.exit(-1);
}, 2000);

for (let i = 0; i < hightestTimeoutId; i++) {
clearTimeout(i);
}

sequelize.close().then((_) => {
log.info('Close connection with PostgreSQL');
}).catch((error) => {
log.error(error);
})
});

main().catch((error) => {
console.error(error);
process.exit(-1);
});
7 changes: 6 additions & 1 deletion prometheus.js
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Original file line number Diff line number Diff line change
Expand Up @@ -35,8 +35,13 @@ function startServer(callback) {
server.listen(prometheusPort, callback);
}

function closeServer(callback) {
server.close(callback);
}

module.exports = {
startServer
startServer,
closeServer
}

/*const server = http.createServer(async (req, res) => {
Expand Down