Skip to content

fix(monitoring): remove delisted XT price-deviation checks #3881

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
Danswar wants to merge 2 commits into
base: develop
Choose a base branch
from
Open

fix(monitoring): remove delisted XT price-deviation checks #3881

Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
5bec2d3
fix(monitoring): remove delisted XT price-deviation checks
Danswar Jun 12, 2026
4bb9d58
style: fix prettier formatting in exchange.observer
Danswar Jun 12, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
59 changes: 0 additions & 59 deletions src/subdomains/core/monitoring/observers/exchange.observer.ts
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,44 +1,28 @@
import { Injectable } from '@nestjs/common';
import { CronExpression } from '@nestjs/schedule';
import { Blockchain } from 'src/integration/blockchain/shared/enums/blockchain.enum';
import { ExchangeTxType } from 'src/integration/exchange/entities/exchange-tx.entity';
import { ExchangeName } from 'src/integration/exchange/enums/exchange.enum';
import { AssetType } from 'src/shared/models/asset/asset.entity';
import { AssetService } from 'src/shared/models/asset/asset.service';
import { RepositoryFactory } from 'src/shared/repositories/repository.factory';
import { DfxLogger } from 'src/shared/services/dfx-logger';
import { DisabledProcess, Process } from 'src/shared/services/process.service';
import { DfxCron } from 'src/shared/utils/cron';
import { Util } from 'src/shared/utils/util';
import { MetricObserver } from 'src/subdomains/core/monitoring/metric.observer';
import { MonitoringService } from 'src/subdomains/core/monitoring/monitoring.service';
import { PriceSource } from 'src/subdomains/supporting/pricing/domain/entities/price-rule.entity';
import {
PriceCurrency,
PriceValidity,
PricingService,
} from 'src/subdomains/supporting/pricing/services/pricing.service';
import { MoreThan } from 'typeorm';

interface ExchangeData {
name: string;
volume30: number; //volume of the last 30 days
}

interface ExchangeDeviationData {
name: string;
deviation: number; // deviation of exchange pair to reference price
}

@Injectable()
export class ExchangeObserver extends MetricObserver<ExchangeData[]> {
protected readonly logger = new DfxLogger(ExchangeObserver);

constructor(
monitoringService: MonitoringService,
private readonly repos: RepositoryFactory,
private readonly pricingService: PricingService,
private readonly assetService: AssetService,
) {
super(monitoringService, 'exchange', 'volume');
}
Expand All @@ -50,56 +34,13 @@ export class ExchangeObserver extends MetricObserver<ExchangeData[]> {
const data = [];
data.push(await this.getKraken());
data.push(await this.getBinance());
data.push(await this.getXtPriceDeviation());
this.emit(data);

return data;
}

// *** HELPER METHODS *** //

private async getXtPriceDeviation(): Promise<ExchangeDeviationData[]> {
const [usdt, jusd] = await Promise.all([
this.assetService.getAssetByQuery({
name: 'USDT',
blockchain: Blockchain.ETHEREUM,
type: AssetType.TOKEN,
}),
await this.assetService.getAssetByQuery({
name: 'JUSD',
blockchain: Blockchain.CITREA,
type: AssetType.TOKEN,
}),
]);

const xtDeurUsdtPrice = await this.pricingService.getPriceFrom(PriceSource.XT, 'USDT', 'DEURO');
const xtDepsUsdtPrice = await this.pricingService.getPriceFrom(PriceSource.XT, 'USDT', 'DEPS');
const xtJusdUsdtPrice = await this.pricingService.getPriceFrom(PriceSource.XT, 'USDT', 'JUSD');

const referenceDeurUsdtPrice = await this.pricingService.getPrice(
usdt,
PriceCurrency.EUR,
PriceValidity.VALID_ONLY,
);
const referenceDepsUsdtPrice = await this.pricingService.getPriceFrom(PriceSource.DEURO, 'USDT', 'DEPS');
const referenceJusdUsdtPrice = await this.pricingService.getPrice(usdt, jusd, PriceValidity.VALID_ONLY);

return [
{
name: 'XT-dEURO-USDT',
deviation: Util.round(xtDeurUsdtPrice.price / referenceDeurUsdtPrice.price - 1, 3),
},
{
name: 'XT-DEPS-USDT',
deviation: Util.round(xtDepsUsdtPrice.price / referenceDepsUsdtPrice.price - 1, 3),
},
{
name: 'XT-JUSD-USDT',
deviation: Util.round(xtJusdUsdtPrice.price / referenceJusdUsdtPrice.price - 1, 3),
},
];
}

private async getKraken(): Promise<ExchangeData> {
const volume30 = await this.getVolume30(ExchangeName.KRAKEN);
return {
Expand Down