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server.js
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server.js
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import dotenv from 'dotenv';
dotenv.config();
import { Session } from "@wharfkit/session"
import { WalletPluginPrivateKey } from "@wharfkit/wallet-plugin-privatekey"
import fetch from 'node-fetch';
import schedule from 'node-schedule';
import fs from 'fs';
import Pushover from 'pushover-notifications';
const rpcEndpoints = JSON.parse(fs.readFileSync('rpc_endpoints.json', 'utf8'));
// Configuration
const mainnetNodeName = process.env.MAINNET_NODE_NAME;
const pushoverEnabled = process.env.PUSHOVER !== 'false'; // Check if Pushover is enabled
// Global object to track unregistration status
const producerUnregistered = {};
// Initialize an object to hold the unregistration status for each network type
let producerUnregStatus = {
mainnet: false,
testnet: false
};
// Variable to track whether monitoring process is already running to
// prevent duplication when producer is pending removal
let isRunning = false;
//Set pushovercont for sending pending removal message
let pushoverCount = { mainnet: 0, testnet: 0 };
// Pushover loading
const push = new Pushover({
user: process.env.PUSHOVER_USER,
token: process.env.PUSHOVER_TOKEN
});
function sendPushoverNotification(message, title, sound, priority) {
if (!pushoverEnabled) return;
const msg = {
message: message,
title: title,
sound: sound,
priority: priority
};
push.send(msg, function (err, result) {
if (err) {
console.log(`Error sending Pushover message for ${title}:`, err);
} else {
console.log(`Pushover message sent for ${title}:`, result);
}
});
}
// Sleep function
function sleep(ms) {
return new Promise(resolve => setTimeout(resolve, ms));
}
// Function to unregister a producer
async function unregisterProducer(unregKey, producer, networkType) {
const networkInfo = rpcEndpoints[networkType];
const endpoints = networkInfo.endpoints;
const chainId = networkInfo.chainId; // Get the chainId from the JSON file
const walletPlugin = new WalletPluginPrivateKey(unregKey);
// Define the action to unregister the producer
const unregprod = {
account: 'eosio',
name: 'unregprod',
authorization: [{
actor: producer,
permission: 'unregprod',
}],
data: {
producer: producer,
},
};
// Attempt to execute the transaction on each endpoint
for (const endpoint of endpoints) {
try {
// Update the chain object for each endpoint
const chain = {
id: chainId,
url: endpoint
};
// Reinitialize the session with the updated chain object
const session = new Session({
actor: producer,
permission: 'unregprod',
chain,
walletPlugin,
});
const result = await session.transact({ action: unregprod });
console.log(`Transaction successful on ${endpoint}`);
return result;
} catch (error) {
console.log(`Error unregistering producer on ${endpoint}:`, error);
// Continue to the next endpoint
}
}
throw new Error('All RPC endpoints failed');
}
// Function to pause and resume BP
async function manageBlockProducers(networkType) {
let primaryBP, backupBP;
if (networkType === 'mainnet') {
primaryBP = process.env.MAINNET_PRIMARY_BP;
backupBP = process.env.MAINNET_BACKUP_BP;
} else if (networkType === 'testnet') {
primaryBP = process.env.TESTNET_PRIMARY_BP;
backupBP = process.env.TESTNET_BACKUP_BP;
}
if (primaryBP === 'false' || backupBP === 'false') {
console.log(`Skipping resuming and pausing of block producer on ${networkType} because one or more endpoints are set to 'false'.`);
return;
}
const pauseUrl = `http://${primaryBP}/v1/producer/pause`;
const resumeUrl = `http://${backupBP}/v1/producer/resume`;
// Attempt to pause the primary block producer
try {
const pauseResponse = await fetch(pauseUrl, { method: 'GET' });
console.log(`Paused primary block producer on ${networkType}:`, await pauseResponse.json());
} catch (error) {
console.log(`Error pausing primary block producer on ${networkType}:`, error);
}
// Attempt to resume the backup block producer
try {
const resumeResponse = await fetch(resumeUrl, { method: 'GET' });
console.log(`Resumed backup block producer on ${networkType}:`, await resumeResponse.json());
sendPushoverNotification(
`Attempted pausing primary producer on WAX ${networkType} and resuming backup BP.`,
"Attempted pausing and resuming BPs",
'cosmic',
0
);
} catch (error) {
console.log(`Error resuming backup block producer on ${networkType}:`, error);
}
}
// Function to check for missed blocks
async function checkMissedBlocks(producer, url) {
try {
const response = await fetch(url);
const data = await response.json();
return data.totalMissedBlocks;
} catch (error) {
console.log('Error checking missed blocks:', error);
throw error;
}
}
async function checkUnregstatus(nodeName, networkType) {
const mainnetUrl = 'https://missm.sentnl.io/unregging';
const testnetUrl = 'https://misst.sentnl.io/unregging';
const url = networkType === 'mainnet' ? mainnetUrl : testnetUrl;
try {
const response = await fetch(url);
const data = await response.json();
const owner_name = data.owner_name;
if (owner_name === null) {
return false;
} else if (nodeName === owner_name) {
return true;
} else {
return false;
}
} catch (error) {
console.log('Error checking unreg table:', error);
throw error;
}
}
async function monitorProducers() {
if (isRunning) {
console.log("Still running. Skipping this schedule.");
return;
}
isRunning = true;
try {
const unregKey = process.env.UNREG_KEY;
const testnetNodeName = process.env.TESTNET_NODE_NAME;
const missed_rounds = process.env.MISSED_ROUNDS || 1;
//const pushoverEnabled = process.env.PUSHOVER !== 'false'; // Check if Pushover is enabled
const currentDate = new Date();
const endDate = new Date(currentDate.getTime() - 180000); //3 minutes ago
const startDate = new Date(currentDate.getTime() - 240000); //4 minutes ago
const urls = {
mainnet: `https://missm.sentnl.io/missing-blocks?ownerName=${mainnetNodeName}&startDate=${startDate.toISOString()}&endDate=${endDate.toISOString()}`,
testnet: `http://misst.sentnl.io/missing-blocks?ownerName=${testnetNodeName}&startDate=${startDate.toISOString()}&endDate=${endDate.toISOString()}`,
};
for (const [networkType, url] of Object.entries(urls)) {
const nodeName = networkType === 'mainnet' ? mainnetNodeName : testnetNodeName;
const nodeKey = `${nodeName}-${networkType}`;
const missedBlocks = await checkMissedBlocks(nodeName, url);
const threshold = 12 * missed_rounds;
producerUnregStatus[networkType] = await checkUnregstatus(nodeName, networkType);
console.log(`Checking producer ${nodeName} on WAX ${networkType}`);
if (missedBlocks >= threshold) {
// Pause and Resume BPs
try {
await manageBlockProducers(networkType)
} catch (error) {
console.log(`Failed to pause and resume block producers on ${networkType}:`, error);
}
if (!producerUnregistered[nodeKey]) {
// Unregister Producer
try {
await unregisterProducer(unregKey, nodeName, networkType);
producerUnregistered[nodeKey] = true;
sendPushoverNotification(
`Your producer ${nodeName} on WAX ${networkType} has missed ${missedBlocks} blocks and has been unregistered.`,
"Producer Unregistered",
'magic',
1
);
console.log(`Your producer ${nodeName} on WAX ${networkType} has missed ${missedBlocks} blocks and has been unregistered.`);
let attempts = 0;
while (attempts < 4) {
console.log(`Checking for producer to show as pending for removal attempt ${attempts}`);
producerUnregStatus[networkType] = await checkUnregstatus(nodeName, networkType);
if (producerUnregStatus[networkType]) {
break;
}
attempts++;
await sleep(30000); // Wait for 30 seconds before the next check
}
} catch (error) {
console.log(`Failed to unregister producer ${nodeName} on ${networkType}:`, error);
}
}
if (producerUnregStatus[networkType]) {
pushoverCount[networkType] += 1;
console.log(`Producer ${nodeName} on ${networkType} has been unregistered and is pending removal.`);
if (pushoverCount[networkType] <= 1) {
sendPushoverNotification(
`Your producer ${nodeName} on WAX ${networkType} is pending removal.`,
"Producer pending removal",
'cosmic',
0
);
}
} else {
console.log(`Producer ${nodeName} on ${networkType} has been unregistered but new schedule has not been proposed`);
}
} else if (!producerUnregStatus[networkType]) {
if (pushoverCount[networkType] > 1){
sendPushoverNotification(
`Your producer ${nodeName} on WAX ${networkType} is no longer in schedule.`,
"Producer no longer in schedule",
'magic',
1
);
}
pushoverCount[networkType] = 0; // Reset pushover count for the specific network type
producerUnregistered[nodeKey] = false; // Set Producer unregistered to False after no longer being in schedule
console.log(`${nodeName} on ${networkType} has missed ${missedBlocks} blocks between ${startDate.toTimeString().split(' ')[0]} - ${endDate.toTimeString().split(' ')[0]}`);
}
}
} catch (error) {
console.log('Error monitoring producers:', error);
} finally {
isRunning = false;
console.log("Monitoring cycle complete, ready for next schedule.");
}
}
function main() {
// Schedule the monitoring function to run every 30 seconds
schedule.scheduleJob('*/30 * * * * *', monitorProducers);
console.log(`Monitoring has started for ${mainnetNodeName}, checking mainnet and testnet producers every minute.`);
}
main();