Files
trade-drift-dlob/src/publishers/dlobPublisher.ts
2025-08-18 09:27:00 -07:00

891 lines
25 KiB
TypeScript

import { Connection, Commitment, PublicKey, Keypair } from '@solana/web3.js';
import {
DriftClient,
initialize,
DriftEnv,
UserMap,
Wallet,
BulkAccountLoader,
SlotSource,
DriftClientSubscriptionConfig,
SlotSubscriber,
isVariant,
OracleInfo,
PerpMarketConfig,
SpotMarketConfig,
PhoenixSubscriber,
decodeName,
WebSocketAccountSubscriberV2,
ONE,
} from '@drift-labs/sdk';
import { RedisClient, RedisClientPrefix } from '@drift/common/clients';
import { logger, setLogLevel } from '../utils/logger';
import {
SubscriberLookup,
getOpenbookSubscriber,
parsePositiveIntArray,
sleep,
} from '../utils/utils';
import {
DLOBSubscriberIO,
wsMarketInfo,
} from '../dlob-subscriber/DLOBSubscriberIO';
import {
DLOBProvider,
getDLOBProviderFromOrderSubscriber,
getDLOBProviderFromUserMap,
} from '../dlobProvider';
import FEATURE_FLAGS from '../utils/featureFlags';
import express, { Response, Request } from 'express';
import { handleHealthCheck } from '../core/middleware';
import { setGlobalDispatcher, Agent } from 'undici';
import { Metrics } from '../core/metricsV2';
import { OrderSubscriberFiltered } from '../dlob-subscriber/OrderSubscriberFiltered';
setGlobalDispatcher(
new Agent({
connections: 200,
})
);
require('dotenv').config();
const stateCommitment: Commitment = 'confirmed';
const driftEnv = (process.env.ENV || 'devnet') as DriftEnv;
const commitHash = process.env.COMMIT;
const metricsPort = process.env.METRICS_PORT
? parseInt(process.env.METRICS_PORT)
: 9464;
const REDIS_CLIENT = process.env.REDIS_CLIENT || 'DLOB';
// Set up express for health checks
const app = express();
// init metrics
const metricsV2 = new Metrics('dlob-publisher', undefined, metricsPort);
const healthStatusGauge = metricsV2.addGauge(
'health_status',
'Health check status'
);
const dlobSlotGauge = metricsV2.addGauge(
'dlob_slot',
'Last updated slot of DLOB'
);
const oracleSlotGauge = metricsV2.addGauge(
'oracle_slot',
'Last updated slot of oracle'
);
const marketSlotGauge = metricsV2.addGauge(
'market_slot',
'Last updated slot of market account'
);
const kinesisRecordsSentCounter = metricsV2.addCounter(
'kinesis_records_sent',
'Number of records sent to Kinesis'
);
const tobResubscribeCounter = metricsV2.addCounter(
'tob_resubscribe',
'Number of TOB resubscribes triggered'
);
const tobStuckGauge = metricsV2.addGauge(
'tob_stuck_duration',
'Duration TOB has been stuck for each market'
);
metricsV2.finalizeObservables();
//@ts-ignore
const sdkConfig = initialize({ env: process.env.ENV });
let driftClient: DriftClient;
setLogLevel('debug');
const useGrpc = process.env.USE_GRPC?.toLowerCase() === 'true';
const useWebsocket = process.env.USE_WEBSOCKET?.toLowerCase() === 'true';
const token = process.env.TOKEN;
const endpoint = process.env.ENDPOINT;
const grpcEndpoint = useGrpc
? process.env.GRPC_ENDPOINT ?? endpoint + `/${token}`
: '';
const wsEndpoint = process.env.WS_ENDPOINT;
const useOrderSubscriber =
process.env.USE_ORDER_SUBSCRIBER?.toLowerCase() === 'true';
const ORDERBOOK_UPDATE_INTERVAL =
parseInt(process.env.ORDERBOOK_UPDATE_INTERVAL) || 400;
const WS_FALLBACK_FETCH_INTERVAL = 60_000;
const KILLSWITCH_SLOT_DIFF_THRESHOLD =
parseInt(process.env.KILLSWITCH_SLOT_DIFF_THRESHOLD) || 200;
// TOB monitoring configuration - defaults to true if not set
const ENABLE_TOB_MONITORING =
!process.env.ENABLE_TOB_MONITORING ||
process.env.ENABLE_TOB_MONITORING?.toLowerCase() === 'true';
const TOB_CHECK_INTERVAL = parseInt(process.env.TOB_CHECK_INTERVAL) || 60_000; // 1 minute
const TOB_STUCK_THRESHOLD = parseInt(process.env.TOB_STUCK_THRESHOLD) || 60_000; // 1 minute without change
const TOB_MONITORING_ENABLED_PERP_MARKETS = process.env
.TOB_MONITORING_ENABLED_PERP_MARKETS
? parsePositiveIntArray(process.env.TOB_MONITORING_ENABLED_PERP_MARKETS)
: [0, 1, 2]; // Default to SOL-PERP, BTC-PERP, ETH-PERP
// comma separated list of perp market indexes to load: i.e. 0,1,2,3
const PERP_MARKETS_TO_LOAD =
process.env.PERP_MARKETS_TO_LOAD !== undefined
? parsePositiveIntArray(process.env.PERP_MARKETS_TO_LOAD)
: undefined;
// comma separated list of spot market indexes to load: i.e. 0,1,2,3
const SPOT_MARKETS_TO_LOAD =
process.env.SPOT_MARKETS_TO_LOAD !== undefined
? parsePositiveIntArray(process.env.SPOT_MARKETS_TO_LOAD)
: undefined;
const enableOffloadQueue = process.env.ENABLE_OFFLOAD === 'true';
const ignoreList = process.env.IGNORE_LIST?.split(',') || [
'5N1AcdftujhXWZdBaqfciaKtXn6uVBKjmgwf6aQxR1vW',
];
logger.info(`RPC endpoint: ${endpoint}`);
logger.info(`WS endpoint: ${wsEndpoint}`);
logger.info(`GRPC endpoint: ${grpcEndpoint}`);
logger.info(`GRPC Token: ${token}`);
logger.info(
`useOrderSubscriber: ${useOrderSubscriber}, useWebsocket: ${useWebsocket}, useGrpc: ${useGrpc}`
);
logger.info(`DriftEnv: ${driftEnv}`);
logger.info(`Commit: ${commitHash}`);
logger.info(
`TOB Monitoring: ${ENABLE_TOB_MONITORING ? 'enabled' : 'disabled'}`
);
if (ENABLE_TOB_MONITORING) {
logger.info(`TOB Check Interval: ${TOB_CHECK_INTERVAL}ms`);
logger.info(`TOB Stuck Threshold: ${TOB_STUCK_THRESHOLD}ms`);
logger.info(
`TOB Monitoring Markets: ${TOB_MONITORING_ENABLED_PERP_MARKETS.join(', ')}`
);
}
let MARKET_SUBSCRIBERS: SubscriberLookup = {};
const getMarketsAndOraclesToLoad = (
sdkConfig: any
): {
perpMarketInfos: wsMarketInfo[];
spotMarketInfos: wsMarketInfo[];
oracleInfos?: OracleInfo[];
} => {
const oracleInfos: OracleInfo[] = [];
const oraclesTracked = new Set();
const perpMarketInfos: wsMarketInfo[] = [];
const spotMarketInfos: wsMarketInfo[] = [];
// only watch all markets if neither env vars are specified
const noMarketsSpecified = !PERP_MARKETS_TO_LOAD && !SPOT_MARKETS_TO_LOAD;
let perpIndexes = PERP_MARKETS_TO_LOAD;
if (!perpIndexes) {
if (noMarketsSpecified) {
perpIndexes = sdkConfig.PERP_MARKETS.map((m) => m.marketIndex);
} else {
perpIndexes = [];
}
}
let spotIndexes = SPOT_MARKETS_TO_LOAD;
if (!spotIndexes) {
if (noMarketsSpecified) {
spotIndexes = sdkConfig.SPOT_MARKETS.map((m) => m.marketIndex);
} else {
spotIndexes = [];
}
}
if (perpIndexes.length > 0) {
for (const idx of perpIndexes) {
const perpMarketConfig = sdkConfig.PERP_MARKETS[idx] as PerpMarketConfig;
if (!perpMarketConfig) {
throw new Error(`Perp market config for ${idx} not found`);
}
const oracleKey = perpMarketConfig.oracle.toBase58();
if (!oraclesTracked.has(oracleKey)) {
logger.info(`Tracking oracle ${oracleKey} for perp market ${idx}`);
oracleInfos.push({
publicKey: perpMarketConfig.oracle,
source: perpMarketConfig.oracleSource,
});
oraclesTracked.add(oracleKey);
}
perpMarketInfos.push({
marketIndex: perpMarketConfig.marketIndex,
marketName: perpMarketConfig.symbol,
});
}
logger.info(
`DlobPublisher tracking perp markets: ${JSON.stringify(perpMarketInfos)}`
);
}
if (spotIndexes.length > 0) {
for (const idx of spotIndexes) {
const spotMarketConfig = sdkConfig.SPOT_MARKETS[idx] as SpotMarketConfig;
if (!spotMarketConfig) {
throw new Error(`Spot market config for ${idx} not found`);
}
const oracleKey = spotMarketConfig.oracle.toBase58();
if (!oraclesTracked.has(oracleKey)) {
logger.info(`Tracking oracle ${oracleKey} for spot market ${idx}`);
oracleInfos.push({
publicKey: spotMarketConfig.oracle,
source: spotMarketConfig.oracleSource,
});
oraclesTracked.add(oracleKey);
}
spotMarketInfos.push({
marketIndex: spotMarketConfig.marketIndex,
marketName: spotMarketConfig.symbol,
});
}
logger.info(
`DlobPublisher tracking spot markets: ${JSON.stringify(spotMarketInfos)}`
);
}
return {
perpMarketInfos,
spotMarketInfos,
oracleInfos,
};
};
const initializeAllMarketSubscribers = async (driftClient: DriftClient) => {
const markets: SubscriberLookup = {};
for (const market of driftClient.getSpotMarketAccounts()) {
markets[market.marketIndex] = {
phoenix: undefined,
};
const marketConfig = sdkConfig.SPOT_MARKETS[market.marketIndex];
if (marketConfig.phoenixMarket) {
const phoenixConfigAccount =
await driftClient.getPhoenixV1FulfillmentConfig(
marketConfig.phoenixMarket
);
if (isVariant(phoenixConfigAccount.status, 'enabled')) {
logger.info(
`Loading phoenix subscriber for spot market ${market.marketIndex}`
);
const bulkAccountLoader = new BulkAccountLoader(
driftClient.connection,
stateCommitment,
2_000
);
const phoenixSubscriber = new PhoenixSubscriber({
connection: driftClient.connection,
programId: new PublicKey(sdkConfig.PHOENIX),
marketAddress: phoenixConfigAccount.phoenixMarket,
accountSubscription: {
type: 'polling',
accountLoader: bulkAccountLoader,
},
});
await phoenixSubscriber.subscribe();
// Test get L2 to know if we should add
try {
phoenixSubscriber.getL2Asks();
phoenixSubscriber.getL2Bids();
markets[market.marketIndex].phoenix = phoenixSubscriber;
} catch (e) {
logger.info(
`Excluding phoenix for ${market.marketIndex}, error: ${e}`
);
}
}
}
if (marketConfig.openbookMarket) {
const openbookMarketAccount =
await driftClient.getOpenbookV2FulfillmentConfig(
marketConfig.openbookMarket
);
if (isVariant(openbookMarketAccount.status, 'enabled')) {
logger.info(
`Loading openbook subscriber for spot market ${market.marketIndex}`
);
const openbookSubscriber = getOpenbookSubscriber(
driftClient,
marketConfig,
sdkConfig
);
await openbookSubscriber.subscribe();
try {
openbookSubscriber.getL2Asks();
openbookSubscriber.getL2Bids();
markets[market.marketIndex].openbook = openbookSubscriber;
} catch (e) {
logger.info(
`Excluding openbook for ${market.marketIndex}, error: ${e}`
);
}
}
}
markets[market.marketIndex].tickSize = market?.orderTickSize ?? ONE;
}
return markets;
};
const main = async () => {
const wallet = new Wallet(new Keypair());
const clearingHousePublicKey = new PublicKey(sdkConfig.DRIFT_PROGRAM_ID);
const redisClient = new RedisClient({
prefix: RedisClientPrefix[REDIS_CLIENT],
});
await redisClient.connect();
const indicativeRedisClient = new RedisClient({});
await indicativeRedisClient.connect();
const connection = new Connection(endpoint, {
wsEndpoint: wsEndpoint,
commitment: stateCommitment,
});
// only set when polling
let bulkAccountLoader: BulkAccountLoader | undefined;
// only set when using websockets
let slotSubscriber: SlotSubscriber | undefined;
let accountSubscription: DriftClientSubscriptionConfig;
let slotSource: SlotSource;
// NOTE: disable GRPC for general driftClient subscriptions until we can reliably subscribe
// to multiple streams. Currently this causes the nodes to start killing connections.
//
// USE_GRPC=true will override websocket
// if (useGrpc) {
// accountSubscription = {
// type: 'grpc',
// resubTimeoutMs: 30_000,
// grpcConfigs: {
// endpoint,
// token,
// channelOptions: {
// 'grpc.keepalive_time_ms': 10_000,
// 'grpc.keepalive_timeout_ms': 1_000,
// 'grpc.keepalive_permit_without_calls': 1,
// },
// },
// };
// slotSubscriber = new SlotSubscriber(connection);
// await slotSubscriber.subscribe();
// slotSource = {
// getSlot: () => slotSubscriber!.getSlot(),
// };
// }
if (!useWebsocket) {
bulkAccountLoader = new BulkAccountLoader(
connection,
stateCommitment,
ORDERBOOK_UPDATE_INTERVAL < 1000 ? 1000 : ORDERBOOK_UPDATE_INTERVAL
);
accountSubscription = {
type: 'polling',
accountLoader: bulkAccountLoader,
};
slotSource = {
getSlot: () => bulkAccountLoader!.getSlot(),
};
} else {
accountSubscription = {
type: 'websocket',
commitment: stateCommitment,
resubTimeoutMs: 30_000,
logResubMessages: true,
perpMarketAccountSubscriber: WebSocketAccountSubscriberV2,
oracleAccountSubscriber: WebSocketAccountSubscriberV2,
};
slotSubscriber = new SlotSubscriber(connection, {
resubTimeoutMs: 10_000,
});
await slotSubscriber.subscribe();
slotSource = {
getSlot: () => slotSubscriber!.getSlot(),
};
}
const { perpMarketInfos, spotMarketInfos, oracleInfos } =
getMarketsAndOraclesToLoad(sdkConfig);
driftClient = new DriftClient({
connection,
wallet,
programID: clearingHousePublicKey,
accountSubscription,
env: driftEnv,
perpMarketIndexes: perpMarketInfos.map((m) => m.marketIndex),
spotMarketIndexes: spotMarketInfos.map((m) => m.marketIndex),
oracleInfos,
});
const lamportsBalance = await connection.getBalance(wallet.publicKey);
logger.info(
`DriftClient ProgramId: ${driftClient.program.programId.toBase58()}`
);
logger.info(`Wallet pubkey: ${wallet.publicKey.toBase58()}`);
logger.info(` . SOL balance: ${lamportsBalance / 10 ** 9}`);
await driftClient.subscribe();
driftClient.eventEmitter.on('error', (e) => {
logger.info('clearing house error');
logger.error(e);
});
logger.info(`Initializing all market subscribers...`);
const initAllMarketSubscribersStart = Date.now();
MARKET_SUBSCRIBERS = await initializeAllMarketSubscribers(driftClient);
logger.info(
`All market subscribers initialized in ${
Date.now() - initAllMarketSubscribersStart
} ms`
);
let dlobProvider: DLOBProvider;
let orderSubscriber: OrderSubscriberFiltered | undefined;
if (useOrderSubscriber) {
let subscriptionConfig: any = {
type: 'polling',
commitment: stateCommitment,
frequency: ORDERBOOK_UPDATE_INTERVAL,
};
if (useWebsocket) {
subscriptionConfig = {
type: 'websocket',
commitment: stateCommitment,
};
}
// USE_GRPC=true will override websocket
if (useGrpc) {
if (!token) {
throw new Error('TOKEN is required for grpc');
}
if (!grpcEndpoint) {
throw new Error(
'GRPC_ENDPOINT is required for grpc (or ENDPOINT and TOKEN)'
);
}
if (useWebsocket) {
logger.warn('USE_GRPC overriding USE_WEBSOCKET');
}
subscriptionConfig = {
type: 'grpc',
grpcConfigs: {
endpoint: grpcEndpoint,
token: token,
commitmentLevel: stateCommitment,
channelOptions: {
'grpc.keepalive_time_ms': 10_000,
'grpc.keepalive_timeout_ms': 1_000,
'grpc.keepalive_permit_without_calls': 1,
},
},
commitment: stateCommitment,
};
}
orderSubscriber = new OrderSubscriberFiltered({
driftClient,
subscriptionConfig,
ignoreList,
});
dlobProvider = getDLOBProviderFromOrderSubscriber(orderSubscriber);
slotSource = {
getSlot: () => orderSubscriber.getSlot(),
};
} else {
const userMap = new UserMap({
driftClient,
subscriptionConfig: {
type: 'websocket',
resubTimeoutMs: 30_000,
commitment: stateCommitment,
},
skipInitialLoad: false,
includeIdle: false,
});
dlobProvider = getDLOBProviderFromUserMap(userMap);
}
await dlobProvider.subscribe();
const dlobSubscriber = new DLOBSubscriberIO({
driftClient,
env: driftEnv,
dlobSource: dlobProvider,
slotSource,
updateFrequency: ORDERBOOK_UPDATE_INTERVAL,
redisClient,
spotMarketSubscribers: MARKET_SUBSCRIBERS,
perpMarketInfos,
spotMarketInfos,
killSwitchSlotDiffThreshold: KILLSWITCH_SLOT_DIFF_THRESHOLD,
protectedMakerView: false,
});
await dlobSubscriber.subscribe();
const dlobSubscriberIndicative = new DLOBSubscriberIO({
driftClient,
env: driftEnv,
dlobSource: dlobProvider,
slotSource,
updateFrequency: ORDERBOOK_UPDATE_INTERVAL,
redisClient,
spotMarketSubscribers: MARKET_SUBSCRIBERS,
perpMarketInfos,
spotMarketInfos,
killSwitchSlotDiffThreshold: KILLSWITCH_SLOT_DIFF_THRESHOLD,
protectedMakerView: false,
indicativeQuotesRedisClient: indicativeRedisClient,
enableOffloadQueue,
offloadQueueCounter: kinesisRecordsSentCounter,
});
await dlobSubscriberIndicative.subscribe();
if (useWebsocket && !FEATURE_FLAGS.DISABLE_GPA_REFRESH) {
const recursiveFetch = (delay = WS_FALLBACK_FETCH_INTERVAL) => {
setTimeout(() => {
dlobProvider
.fetch()
.catch((e) => {
logger.error('Failed to fetch GPA');
console.log(e);
})
.finally(() => {
// eslint-disable-next-line @typescript-eslint/no-unused-vars
recursiveFetch();
});
}, delay);
};
recursiveFetch();
}
setInterval(() => {
const slot = slotSource.getSlot();
perpMarketInfos.forEach((market) => {
const oracleDataAndSlot = driftClient.getOracleDataForPerpMarket(
market.marketIndex
);
const marketAccount =
driftClient.accountSubscriber.getMarketAccountAndSlot(
market.marketIndex
);
dlobSlotGauge.setLatestValue(slot, {
marketIndex: market.marketIndex,
marketType: 'perp',
marketName: market.marketName,
redisClient: REDIS_CLIENT,
redisPrefix: RedisClientPrefix[REDIS_CLIENT],
});
oracleSlotGauge.setLatestValue(oracleDataAndSlot.slot.toNumber(), {
marketIndex: market.marketIndex,
marketType: 'perp',
marketName: market.marketName,
redisClient: REDIS_CLIENT,
redisPrefix: RedisClientPrefix[REDIS_CLIENT],
});
marketSlotGauge.setLatestValue(marketAccount.slot, {
marketIndex: market.marketIndex,
marketType: 'perp',
marketName: market.marketName,
redisClient: REDIS_CLIENT,
redisPrefix: RedisClientPrefix[REDIS_CLIENT],
});
});
spotMarketInfos.forEach((market) => {
const oracleDataAndSlot = driftClient.getOracleDataForSpotMarket(
market.marketIndex
);
const marketAccount =
driftClient.accountSubscriber.getSpotMarketAccountAndSlot(
market.marketIndex
);
dlobSlotGauge.setLatestValue(slot, {
marketIndex: market.marketIndex,
marketType: 'spot',
marketName: market.marketName,
redisClient: REDIS_CLIENT,
redisPrefix: RedisClientPrefix[REDIS_CLIENT],
});
oracleSlotGauge.setLatestValue(oracleDataAndSlot.slot.toNumber(), {
marketIndex: market.marketIndex,
marketType: 'spot',
marketName: market.marketName,
redisClient: REDIS_CLIENT,
redisPrefix: RedisClientPrefix[REDIS_CLIENT],
});
marketSlotGauge.setLatestValue(marketAccount.slot, {
marketIndex: market.marketIndex,
marketType: 'spot',
marketName: market.marketName,
redisClient: REDIS_CLIENT,
redisPrefix: RedisClientPrefix[REDIS_CLIENT],
});
});
}, 10_000);
// TOB monitoring for configured perp markets to detect stuck orders
// Check if this node has any TOB monitoring markets configured
const tobMonitoringMarketsInThisNode =
TOB_MONITORING_ENABLED_PERP_MARKETS.filter((marketIndex) =>
perpMarketInfos.some((market) => market.marketIndex === marketIndex)
);
const shouldEnableTobMonitoring =
ENABLE_TOB_MONITORING &&
useOrderSubscriber &&
tobMonitoringMarketsInThisNode.length > 0;
// Track last TOB update times and order IDs for each TOB monitoring market
const lastTobUpdateTimes = new Map<number, number>();
const lastTobOrderIds = new Map<
number,
{ bidOrderId: string; askOrderId: string }
>();
// Initialize TOB tracking for TOB monitoring markets in this node
tobMonitoringMarketsInThisNode.forEach((marketIndex) => {
lastTobUpdateTimes.set(marketIndex, Date.now());
lastTobOrderIds.set(marketIndex, { bidOrderId: '', askOrderId: '' });
});
// Log TOB monitoring status
if (ENABLE_TOB_MONITORING) {
logger.info(
`TOB Monitoring Markets in this node: ${tobMonitoringMarketsInThisNode.join(
', '
)}`
);
logger.info(
`TOB Monitoring active: ${shouldEnableTobMonitoring ? 'yes' : 'no'}`
);
}
// TOB monitoring function
const checkTobForStuckOrders = async () => {
if (!shouldEnableTobMonitoring) {
return; // Only monitor when using OrderSubscriber, TOB monitoring is enabled, and node has major markets
}
logger.debug('Starting TOB monitoring check');
const currentTime = Date.now();
for (const marketIndex of tobMonitoringMarketsInThisNode) {
try {
// Get current TOB from DLOB
const slot = slotSource.getSlot();
const dlob = await dlobProvider.getDLOB(slot);
// Get oracle data for the market
const oracleData =
driftClient.getMMOracleDataForPerpMarket(marketIndex);
// Get L3 orderbook to check TOB
const l3OrderBook = dlob.getL3({
marketIndex,
marketType: { perp: {} },
slot,
oraclePriceData: oracleData,
});
const bestBidOrder = l3OrderBook.bids[0];
const bestAskOrder = l3OrderBook.asks[0];
// Track each side independently, even if one side is empty
const currentBidOrderId = bestBidOrder
? `${bestBidOrder.maker.toBase58()}-${bestBidOrder.orderId}`
: '';
const currentAskOrderId = bestAskOrder
? `${bestAskOrder.maker.toBase58()}-${bestAskOrder.orderId}`
: '';
const currentTobOrderIds = {
bidOrderId: currentBidOrderId,
askOrderId: currentAskOrderId,
};
const lastTobOrderId = lastTobOrderIds.get(marketIndex);
const lastUpdate = lastTobUpdateTimes.get(marketIndex);
// Check if TOB orders have changed on either side
const tobChanged =
!lastTobOrderId ||
lastTobOrderId.bidOrderId !== currentTobOrderIds.bidOrderId ||
lastTobOrderId.askOrderId !== currentTobOrderIds.askOrderId;
if (tobChanged) {
// TOB orders changed, update tracking
lastTobOrderIds.set(marketIndex, currentTobOrderIds);
lastTobUpdateTimes.set(marketIndex, currentTime);
logger.debug(
`TOB orders updated for market ${marketIndex}: bidOrderId=${
currentTobOrderIds.bidOrderId || 'none'
}, askOrderId=${currentTobOrderIds.askOrderId || 'none'}`
);
} else if (
lastUpdate &&
currentTime - lastUpdate > TOB_STUCK_THRESHOLD
) {
// TOB has been stuck for too long, trigger resubscribe
const stuckDuration = (currentTime - lastUpdate) / 1000;
logger.warn(
`TOB stuck for market ${marketIndex} for ${stuckDuration}s, triggering resubscribe`
);
// Update metrics
tobStuckGauge.setLatestValue(stuckDuration, {
marketIndex: marketIndex.toString(),
marketType: 'perp',
});
// Get the OrderSubscriber instance for resubscribe
if (orderSubscriber) {
try {
// Resubscribe and fetch to clear stuck state
await orderSubscriber.unsubscribe();
await orderSubscriber.subscribe();
await orderSubscriber.fetch();
logger.info(
`Successfully resubscribed OrderSubscriber for market ${marketIndex}`
);
// Update metrics
tobResubscribeCounter.add(1, {
marketIndex: marketIndex.toString(),
marketType: 'perp',
success: 'true',
});
// Reset the timer after successful resubscribe
lastTobUpdateTimes.set(marketIndex, currentTime);
} catch (error) {
logger.error(
`Failed to resubscribe OrderSubscriber for market ${marketIndex}:`,
error
);
// Update metrics for failed resubscribe
tobResubscribeCounter.add(1, {
marketIndex: marketIndex.toString(),
marketType: 'perp',
success: 'false',
});
}
} else {
logger.error(
`OrderSubscriber not available for market ${marketIndex}`
);
}
}
} catch (error) {
logger.error(`Error checking TOB for market ${marketIndex}:`, error);
}
}
};
// Start TOB monitoring
setInterval(checkTobForStuckOrders, TOB_CHECK_INTERVAL);
const handleStartup = async (_req, res, _next) => {
if (driftClient.isSubscribed && dlobProvider.size() > 0) {
res.writeHead(200);
res.end('OK');
} else {
res.writeHead(500);
res.end('Not ready');
}
};
const handleDebug = async (req: Request, res: Response) => {
const slot = slotSource.getSlot();
const slotInfos = [];
for (const market of driftClient.getPerpMarketAccounts()) {
const oracleDataAndSlot = driftClient.getOracleDataForPerpMarket(
market.marketIndex
);
const marketSlot = market.amm.lastUpdateSlot.toNumber();
const oracleSlot = oracleDataAndSlot.slot.toNumber();
slotInfos.push({
marketName: decodeName(market.name),
slot,
marketSlot,
oracleSlot,
marketSlotDiff: marketSlot - slot,
oracleSlotDiff: oracleSlot - slot,
});
}
for (const market of driftClient.getSpotMarketAccounts()) {
const oracleDataAndSlot = driftClient.getOracleDataForSpotMarket(
market.marketIndex
);
const oracleSlot = oracleDataAndSlot.slot.toNumber();
slotInfos.push({
marketName: decodeName(market.name),
slot,
oracleSlot,
oracleSlotDiff: oracleSlot - slot,
});
}
res.json(slotInfos);
};
app.get('/debug', handleDebug);
app.get('/health', handleHealthCheck(slotSource, healthStatusGauge));
app.get('/startup', handleStartup);
app.get('/', handleHealthCheck(slotSource, healthStatusGauge));
const server = app.listen(8080);
// Default keepalive is 5s, since the AWS ALB timeout is 60 seconds, clients
// sometimes get 502s.
// https://shuheikagawa.com/blog/2019/04/25/keep-alive-timeout/
// https://stackoverflow.com/a/68922692
server.keepAliveTimeout = 61 * 1000;
server.headersTimeout = 65 * 1000;
console.log('DLOBSubscriber Publishing Messages');
};
async function recursiveTryCatch(f: () => void) {
try {
await f();
} catch (e) {
console.error(e);
await sleep(15000);
await recursiveTryCatch(f);
}
}
recursiveTryCatch(() => main());
export { sdkConfig, endpoint, wsEndpoint, driftEnv, commitHash, driftClient };