refactor: organize backend by business responsibility

This commit is contained in:
2026-09-13 13:52:57 +03:00
parent 7fde3ece6e
commit 8ba005346d
145 changed files with 3027 additions and 2346 deletions
@@ -0,0 +1,231 @@
import {
ConflictException,
Injectable,
NotFoundException,
ServiceUnavailableException,
} from '@nestjs/common';
import { LRUCache } from 'lru-cache';
import { formatDecimal } from '../../../../../common/decimal';
import type { TbankBond } from '../../../../../integrations/tbank/tbank.api';
import {
TbankAccessService,
TbankClient,
type TbankConnectionContext,
} from '../../../../../integrations/tbank/tbank.api';
import { decimal } from '../../../../../integrations/tbank/decimal';
import { optional, timestamp } from '../../application/instrument-market';
import { BondDto, BondSearchResultDto } from '../presentation/bond.dto';
type IdentifiedBond = TbankBond & { uid: string };
import { money } from '../infrastructure/bond-money.mapper';
@Injectable()
export class BondCatalogService {
private readonly cache = new LRUCache<string, Promise<object>>({
max: 300,
ttl: 30_000,
});
constructor(
private readonly access: TbankAccessService,
private readonly tbank: TbankClient,
) {}
search(userId: string, query: string): Promise<BondSearchResultDto[]> {
return this.cached(userId, `search:${query}`, async (connection) => {
const { token } = connection;
const found = await this.tbank.findBonds(token, query);
const bonds = selectBonds(found, query).slice(0, 30);
if (!bonds.length) return [];
// Batch prices and share metadata with detail sections. Resolve readable
// aliases only when an issue is opened, not for every search result.
const [details, prices] = await Promise.all([
Promise.all(
bonds.map(
async (bond) =>
(await optional(
() =>
this.bond(userId, connection, bond.uid)
.then(toBond)
.catch((error: unknown) => {
if (error instanceof NotFoundException)
return toBond(bond);
throw error;
}),
'details',
[],
)) ?? toBond(bond),
),
),
optional(
() =>
this.tbank.getLastPrices(
token,
bonds.map((bond) => bond.uid),
),
'prices',
[],
),
]);
return details.map((detail, index) => {
const short = toBond(bonds[index]);
const last = prices?.find(
(price) => price.instrumentUid === detail.instrumentUid,
);
return {
...detail,
classCode: detail.classCode ?? short.classCode,
isin: detail.isin ?? short.isin,
apiTradeAvailable: short.apiTradeAvailable,
pricePercent: last?.price ? formatDecimal(decimal(last.price)) : null,
priceAt: timestamp(last?.time),
};
});
});
}
get(userId: string, uid: string): Promise<BondDto> {
return this.cached(userId, `bond:${uid}`, async (connection) => {
const result = toBond(await this.bond(userId, connection, uid));
if (
!result.ticker ||
!/^[A-Za-z0-9][A-Za-z0-9._@+-]{0,79}$/.test(result.ticker)
)
return result;
try {
const match = await this.tickerMatch(userId, result.ticker);
if (match.uid === uid) result.slug = result.ticker.toUpperCase();
} catch (error) {
// A readable alias is optional for an exact UID URL, never a reason to substitute another listing.
if (
!(error instanceof NotFoundException) &&
!(error instanceof ConflictException) &&
!(error instanceof ServiceUnavailableException)
)
throw error;
}
return result;
});
}
async getByTicker(userId: string, ticker: string): Promise<BondDto> {
const match = await this.tickerMatch(userId, ticker);
return {
...(await this.get(userId, match.uid)),
slug: ticker.trim().toUpperCase(),
};
}
private tickerMatch(userId: string, ticker: string): Promise<IdentifiedBond> {
const normalized = ticker.trim().toUpperCase();
return this.cached(userId, `ticker:${normalized}`, async (connection) => {
const { token } = connection;
const found = await this.tbank.findBonds(token, normalized);
const matches = selectBonds(
found.filter(
(item) => item.ticker?.trim().toUpperCase() === normalized,
),
normalized,
);
if (!matches.length) throw new NotFoundException();
if (matches.length > 1)
throw new ConflictException({ code: 'BOND_TICKER_AMBIGUOUS' });
return matches[0];
});
}
bond(
userId: string,
connection: TbankConnectionContext,
uid: string,
): Promise<IdentifiedBond> {
return this.cachedForConnection(
userId,
connection,
`metadata:${uid}`,
async () => {
const bond = await this.tbank.getBond(connection.token, uid);
if (!bond || bond.uid !== uid) throw new NotFoundException();
return { ...bond, uid };
},
);
}
cached<T extends object>(
userId: string,
key: string,
operation: (connection: TbankConnectionContext) => Promise<T>,
): Promise<T> {
return this.access.withConnection(userId, (connection) =>
this.cachedForConnection(userId, connection, key, () =>
operation(connection),
),
);
}
cachedForConnection<T extends object>(
userId: string,
{ generation }: TbankConnectionContext,
key: string,
operation: () => Promise<T>,
): Promise<T> {
const cacheKey = JSON.stringify([userId, generation, key]);
const cached = this.cache.get(cacheKey);
if (cached) return cached as Promise<T>;
const pending = operation();
this.cache.set(cacheKey, pending);
return pending.catch((error) => {
if (this.cache.get(cacheKey) === pending) this.cache.delete(cacheKey);
throw error;
});
}
}
function selectBonds(found: TbankBond[], query: string): IdentifiedBond[] {
const seen = new Set<string>();
return found
.filter(
(bond): bond is IdentifiedBond =>
Boolean(bond.uid) && bond.instrumentKind === 'INSTRUMENT_TYPE_BOND',
)
.sort(
(a, b) =>
Number(b.apiTradeAvailableFlag === true) -
Number(a.apiTradeAvailableFlag === true) ||
Number(b.ticker?.toUpperCase() === query.toUpperCase()) -
Number(a.ticker?.toUpperCase() === query.toUpperCase()) ||
Number(b.classCode === 'TQOB') - Number(a.classCode === 'TQOB') ||
a.uid.localeCompare(b.uid),
)
.filter((bond) => {
// A missing ISIN must not collapse unrelated catalog instruments.
const key = bond.isin?.trim()
? `isin:${bond.isin.trim().toUpperCase()}`
: `uid:${bond.uid}`;
if (seen.has(key)) return false;
seen.add(key);
return true;
});
}
function toBond(bond: IdentifiedBond): BondDto {
return {
instrumentUid: bond.uid,
slug: bond.uid,
name: bond.name?.trim() || bond.ticker || bond.uid,
ticker: bond.ticker?.trim() || null,
isin: bond.isin?.trim() || null,
classCode: bond.classCode?.trim() || null,
realExchange: bond.realExchange || null,
apiTradeAvailable: bond.apiTradeAvailableFlag ?? null,
logoName: bond.brand?.logoName?.trim() || null,
currency: bond.currency?.toUpperCase() || null,
bondType: bond.bondType || null,
sector: bond.sector || null,
lot: bond.lot && bond.lot > 0 ? bond.lot : null,
historyFrom: timestamp(bond.first_1dayCandleDate),
nominal: money(bond.nominal),
initialNominal: money(bond.initialNominal),
aci: money(bond.aciValue),
maturityDate: timestamp(bond.maturityDate)?.slice(0, 10) ?? null,
callDate: timestamp(bond.callDate)?.slice(0, 10) ?? null,
couponQuantityPerYear: bond.couponQuantityPerYear ?? null,
floatingCoupon: bond.floatingCouponFlag ?? null,
perpetual: bond.perpetualFlag ?? null,
amortization: bond.amortizationFlag ?? null,
subordinated: bond.subordinatedFlag ?? null,
riskLevel: bond.riskLevel || null,
};
}
@@ -0,0 +1,204 @@
import { Injectable } from '@nestjs/common';
import {
decimalFromString,
divide,
formatDecimal,
multiply,
} from '../../../../../common/decimal';
import { MoexClient } from '../../../../../integrations/moex/moex.api';
import { NcrRatingsClient } from '../../../../../integrations/ncr/ncr.api';
import {
TbankClient,
type TbankConnectionContext,
} from '../../../../../integrations/tbank/tbank.api';
import { PortfolioService } from '../../../portfolio/portfolio.api';
import {
moscowDay,
optional,
timestamp,
} from '../../application/instrument-market';
import { instrumentPosition } from '../../application/instrument-position';
import {
BondCouponsDto,
BondMetricsDto,
BondPositionDto,
} from '../presentation/bond.dto';
import { BondMarketService } from './bond-market.service';
import { money } from '../infrastructure/bond-money.mapper';
import { BondCatalogService } from './bond-catalog.service';
@Injectable()
export class BondIncomeService {
constructor(
private readonly catalog: BondCatalogService,
private readonly tbank: TbankClient,
private readonly portfolios: PortfolioService,
private readonly market: BondMarketService,
private readonly moex: MoexClient,
private readonly ratings: NcrRatingsClient,
) {}
metrics(userId: string, uid: string): Promise<BondMetricsDto> {
return this.catalog.cached(userId, `metrics:${uid}`, async (connection) => {
const instrument = await this.catalog.bond(userId, connection, uid);
const { ticker, isin, classCode } = instrument;
const today = moscowDay(new Date().toISOString());
const from = `${Number(today.slice(0, 4)) - 5}${today.slice(4)}`;
const to = `${Number(today.slice(0, 4)) + 1}${today.slice(4)}`;
const unavailable: string[] = [];
const [events, quote, effectiveYield, creditRating] = await Promise.all([
optional(
() => this.couponEvents(userId, connection, uid, from, to),
'coupons',
unavailable,
),
optional(() => this.market.quote(userId, uid), 'quote', unavailable),
ticker && isin && classCode
? optional(
() => this.moex.bondYield(ticker, isin, classCode),
'yield',
unavailable,
)
: null,
isin
? optional(() => this.ratings.rating(isin), 'rating', unavailable)
: null,
]);
const next = events
?.filter((event) => {
const date = timestamp(event.couponDate)?.slice(0, 10);
return date && date >= today;
})
.sort(
(a, b) =>
Number(a.couponDate?.seconds) - Number(b.couponDate?.seconds),
)[0];
const coupon = money(next?.payOneBond);
const period = next?.couponPeriod;
const couponPeriodDays =
period && Number.isInteger(period) && period > 0 ? period : null;
const clean = quote?.cleanPrice;
const couponYieldPercent =
coupon &&
couponPeriodDays &&
clean &&
coupon.currency === clean.currency &&
decimalFromString(coupon.value).value >= 0n &&
decimalFromString(clean.value).value > 0n
? formatDecimal(
divide(
multiply(
decimalFromString(coupon.value),
decimalFromString('36500'),
),
multiply(
decimalFromString(String(couponPeriodDays)),
decimalFromString(clean.value),
),
4,
),
)
: null;
const couponType =
next?.couponType && next.couponType !== 'COUPON_TYPE_UNSPECIFIED'
? next.couponType
: instrument.floatingCouponFlag === true
? 'COUPON_TYPE_FLOATING'
: null;
return {
creditRating,
coupon,
couponDate: timestamp(next?.couponDate)?.slice(0, 10) ?? null,
couponType,
couponPeriodDays,
couponYieldPercent,
couponYieldPriceAt:
couponYieldPercent !== null ? (quote?.priceAt ?? null) : null,
effectiveYield,
unavailable,
observedAt: new Date().toISOString(),
};
});
}
private couponEvents(
userId: string,
connection: TbankConnectionContext,
uid: string,
from: string,
to: string,
) {
return this.catalog.cachedForConnection(
userId,
connection,
`coupon-events:${uid}:${from}:${to}`,
() => this.tbank.getBondCoupons(connection.token, uid, from, to),
);
}
coupons(userId: string, uid: string): Promise<BondCouponsDto> {
return this.catalog.cached(userId, `coupons:${uid}`, async (connection) => {
await this.catalog.bond(userId, connection, uid);
const today = moscowDay(new Date().toISOString());
const from = `${Number(today.slice(0, 4)) - 5}${today.slice(4)}`;
const to = `${Number(today.slice(0, 4)) + 1}${today.slice(4)}`;
const unavailable: string[] = [];
const [events, position] = await Promise.all([
this.couponEvents(userId, connection, uid, from, to),
optional(() => this.position(userId, uid), 'position', unavailable),
]);
const quantity =
position?.accounts.length &&
position.accounts.every((p) => decimalFromString(p.quantity).value > 0n)
? decimalFromString(position.quantity)
: null;
const coupons = events
.map((event) => {
const paymentDate = timestamp(event.couponDate)?.slice(0, 10) ?? null;
const recordDate = timestamp(event.fixDate)?.slice(0, 10) ?? null;
const perBond = money(event.payOneBond);
const timing = !paymentDate
? ('undated' as const)
: paymentDate >= today
? ('upcoming' as const)
: ('past' as const);
return {
number: event.couponNumber ?? null,
paymentDate,
recordDate,
perBond,
couponType: event.couponType ?? null,
periodDays: event.couponPeriod ?? null,
timing,
estimatedAmount:
quantity &&
perBond &&
timing === 'upcoming' &&
recordDate &&
recordDate >= today
? {
currency: perBond.currency,
value: formatDecimal(
multiply(quantity, decimalFromString(perBond.value)),
),
}
: null,
};
})
.sort((a, b) =>
(a.paymentDate ?? '').localeCompare(b.paymentDate ?? ''),
);
return {
coupons,
from,
to,
observedAt: new Date().toISOString(),
positionAt: quantity ? (position?.observedAt ?? null) : null,
estimateUnavailable: unavailable.length > 0,
positionIsStale: position?.isStale ?? false,
};
});
}
async position(userId: string, uid: string): Promise<BondPositionDto> {
return this.catalog.cached(userId, `position:${uid}`, async () =>
instrumentPosition(await this.portfolios.getAll(userId), uid, 'BOND'),
);
}
}
@@ -0,0 +1,183 @@
import { Injectable, ServiceUnavailableException } from '@nestjs/common';
import {
add,
decimalFromString,
divide,
formatDecimal,
multiply,
subtract,
} from '../../../../../common/decimal';
import { TbankClient } from '../../../../../integrations/tbank/tbank.api';
import { decimal } from '../../../../../integrations/tbank/decimal';
import {
optional,
previousClose,
timestamp,
} from '../../application/instrument-market';
import {
BondCandlesDto,
BondCandlesQueryDto,
BondQuoteDto,
} from '../presentation/bond.dto';
const dayMs = 86_400_000;
import { money } from '../infrastructure/bond-money.mapper';
import { BondCatalogService } from './bond-catalog.service';
@Injectable()
export class BondMarketService {
constructor(
private readonly catalog: BondCatalogService,
private readonly tbank: TbankClient,
) {}
quote(userId: string, uid: string): Promise<BondQuoteDto> {
return this.catalog.cached(userId, `quote:${uid}`, async (connection) => {
const { token } = connection;
const instrument = await this.catalog.bond(userId, connection, uid);
const unavailable: string[] = [];
const [last, tradingStatus] = await Promise.all([
optional(
() => this.tbank.getLastPrice(token, uid),
'price',
unavailable,
),
optional(
() => this.tbank.getTradingStatus(token, uid),
'status',
unavailable,
),
]);
const priceAt = timestamp(last?.time);
const pricePercent = last?.price
? formatDecimal(decimal(last.price))
: null;
const nominal = money(instrument.nominal);
const aci = money(instrument.aciValue);
const cleanPrice =
pricePercent !== null &&
nominal &&
decimalFromString(nominal.value).value > 0n
? {
currency: nominal.currency,
value: formatDecimal(
divide(
multiply(
decimalFromString(pricePercent),
decimalFromString(nominal.value),
),
decimalFromString('100'),
9,
),
),
}
: null;
const dirtyPrice =
cleanPrice && aci && aci.currency === cleanPrice.currency
? {
currency: cleanPrice.currency,
value: formatDecimal(
add(
decimalFromString(cleanPrice.value),
decimalFromString(aci.value),
),
),
}
: null;
const previous = priceAt
? await optional(
async () =>
previousClose(
await this.tbank.getCandles(
token,
uid,
new Date(Date.parse(priceAt) - 20 * dayMs),
new Date(priceAt),
),
priceAt,
),
'comparison',
unavailable,
)
: null;
return {
pricePercent,
cleanPrice,
aci,
dirtyPrice,
priceAt,
tradingStatus,
changePercentagePoints:
last?.price && previous?.close
? formatDecimal(
subtract(decimal(last.price), decimal(previous.close)),
)
: null,
previousCloseDate: timestamp(previous?.time)?.slice(0, 10) ?? null,
unavailable,
observedAt: new Date().toISOString(),
};
});
}
candles(
userId: string,
uid: string,
period: BondCandlesQueryDto['period'] = 'month',
): Promise<BondCandlesDto> {
return this.catalog.cached(
userId,
`candles:${uid}:${period}`,
async (connection) => {
const { token } = connection;
const bond = await this.catalog.bond(userId, connection, uid);
const historyFrom = timestamp(bond.first_1dayCandleDate);
const to = new Date();
const from = new Date(to);
from.setUTCMonth(
from.getUTCMonth() -
(period === 'month' ? 1 : period === 'halfYear' ? 6 : 12),
);
if (period === 'all') {
if (!historyFrom)
throw new ServiceUnavailableException({
code: 'BOND_HISTORY_START_UNAVAILABLE',
});
from.setTime(Date.parse(historyFrom));
} else if (historyFrom && Date.parse(historyFrom) > from.valueOf())
from.setTime(Date.parse(historyFrom));
const collected = new Map<string, BondCandlesDto['candles'][number]>();
// Conservative one-year windows also work with older deployed RPC limits.
for (let start = from.valueOf(); start < to.valueOf();) {
const end = Math.min(start + 365 * dayMs, to.valueOf());
for (const candle of await this.tbank.getCandles(
token,
uid,
new Date(start),
new Date(end),
)) {
const time = timestamp(candle.time);
if (
time &&
candle.close &&
Date.parse(time) >= from.valueOf() - dayMs &&
Date.parse(time) <= to.valueOf()
)
collected.set(time, {
time,
close: formatDecimal(decimal(candle.close)),
isComplete: candle.isComplete === true,
});
}
start = end;
}
return {
candles: [...collected.values()].sort((a, b) =>
a.time.localeCompare(b.time),
),
currency: null,
historyFrom,
observedAt: new Date().toISOString(),
};
},
);
}
}
@@ -0,0 +1,498 @@
import {
ConflictException,
NotFoundException,
ServiceUnavailableException,
UnauthorizedException,
} from '@nestjs/common';
import assert from 'node:assert/strict';
import { MoexClient } from '../../../../../integrations/moex/moex.client';
import { NcrRatingsClient } from '../../../../../integrations/ncr/ncr-ratings.client';
import { TbankAccessService } from '../../../../../integrations/tbank/tbank-access.service';
import { TbankClient } from '../../../../../integrations/tbank/tbank.client';
import { PortfolioService } from '../../../portfolio/application/portfolio.service';
import { BondIncomeService } from './bond-income.service';
import { BondMarketService } from './bond-market.service';
import { BondCatalogService } from './bond-catalog.service';
jest.mock('../../../../../integrations/tbank/tbank-access.service', () => ({
TbankAccessService: class TbankAccessService {},
}));
const time = (value: string) => ({ seconds: String(Date.parse(value) / 1000) });
const money = (units: string, currency = 'rub') => ({ units, currency });
const cacheClock = performance;
const bond = {
uid: 'uid',
ticker: 'BOND',
isin: 'ISIN',
instrumentKind: 'INSTRUMENT_TYPE_BOND',
nominal: money('500'),
initialNominal: money('1000'),
aciValue: money('12'),
amortizationFlag: true,
first_1dayCandleDate: time('2024-01-01'),
};
function setup() {
let generation = 'a';
const tbank = {
findBonds: jest.fn().mockResolvedValue([bond]),
getBond: jest.fn().mockResolvedValue(bond),
getLastPrice: jest.fn().mockResolvedValue({
instrumentUid: 'uid',
price: { units: '98', nano: 125000000 },
time: time('2026-09-10T10:00:00Z'),
}),
getLastPrices: jest.fn().mockResolvedValue([]),
getTradingStatus: jest
.fn()
.mockResolvedValue('SECURITY_TRADING_STATUS_NORMAL_TRADING'),
getCandles: jest.fn().mockResolvedValue([
{ time: time('2026-09-09'), close: { units: '99' }, isComplete: true },
{ time: time('2026-09-10'), close: { units: '100' }, isComplete: true },
]),
getBondCoupons: jest.fn().mockResolvedValue([]),
};
const access = {
withConnection: jest.fn(
(user: string, handler: (context: unknown) => unknown) =>
handler({ token: user, generation }),
),
};
const portfolios = {
getAll: jest.fn().mockResolvedValue({
positions: [],
lastSuccessfulAt: '2026-09-10T00:00:00Z',
isStale: false,
}),
};
const ratings = { rating: jest.fn().mockResolvedValue(null) };
const moex = { bondYield: jest.fn().mockResolvedValue(null) };
const service = new BondCatalogService(
access as unknown as TbankAccessService,
tbank as unknown as TbankClient,
);
const market = new BondMarketService(
service,
tbank as unknown as TbankClient,
);
const income = new BondIncomeService(
service,
tbank as unknown as TbankClient,
portfolios as unknown as PortfolioService,
market,
moex as unknown as MoexClient,
ratings as unknown as NcrRatingsClient,
);
return {
market,
income,
service,
ratings,
moex,
tbank,
access,
portfolios,
changeGeneration: () => {
generation = 'b';
},
};
}
describe('bond market use case', () => {
beforeEach(() => {
jest.useFakeTimers().setSystemTime(new Date('2026-09-10T10:00:00Z'));
jest.spyOn(cacheClock, 'now').mockImplementation(() => Date.now());
});
afterEach(() => {
jest.useRealTimers();
jest.restoreAllMocks();
});
it('shows the next coupon and its annualized current yield without extra T-Bank calls', async () => {
const { tbank, moex, market, income } = setup();
tbank.getBond.mockResolvedValue({ ...bond, classCode: 'TQOB' });
tbank.getBondCoupons.mockResolvedValue([
{
couponDate: time('2026-12-10'),
payOneBond: money('40'),
couponPeriod: 91,
couponType: 'COUPON_TYPE_VARIABLE',
},
{
couponDate: time('2026-10-10'),
payOneBond: money('30'),
couponPeriod: 90,
couponType: 'COUPON_TYPE_FIX',
},
{
couponDate: time('2026-09-01'),
payOneBond: money('90'),
couponPeriod: 90,
},
]);
const effectiveYield = {
value: '15.6262',
pricePercent: '53.384',
date: '2041-05-15',
dateType: 'MATDATE',
tradeAt: '2026-09-10T18:49:39Z',
};
moex.bondYield.mockResolvedValue(effectiveYield);
const [metrics] = await Promise.all([
income.metrics('user', 'uid'),
income.coupons('user', 'uid'),
market.quote('user', 'uid'),
]);
expect(metrics).toMatchObject({
coupon: { value: '30', currency: 'RUB' },
couponDate: '2026-10-10',
couponType: 'COUPON_TYPE_FIX',
couponPeriodDays: 90,
couponYieldPercent: '24.7983',
effectiveYield,
});
expect(moex.bondYield).toHaveBeenCalledWith('BOND', 'ISIN', 'TQOB');
expect(tbank.getBond).toHaveBeenCalledTimes(1);
expect(tbank.getBondCoupons).toHaveBeenCalledTimes(1);
expect(tbank.getLastPrice).toHaveBeenCalledTimes(1);
});
it.each(['unknown', 'currency', 'period', 'zero-price'])(
'does not invent coupon yield with %s inputs',
async (scenario) => {
const { tbank, income } = setup();
tbank.getBondCoupons.mockResolvedValue([
{
couponDate: time('2026-10-10'),
payOneBond:
scenario === 'unknown'
? undefined
: money('30', scenario === 'currency' ? 'usd' : 'rub'),
couponPeriod: scenario === 'period' ? 0 : 90,
},
{
couponDate: time('2026-12-10'),
payOneBond: money('50'),
couponPeriod: 90,
},
]);
if (scenario === 'zero-price')
tbank.getLastPrice.mockResolvedValue({ price: { units: '0' } });
expect(await income.metrics('user', 'uid')).toMatchObject({
couponDate: '2026-10-10',
couponYieldPercent: null,
});
},
);
it('keeps coupons when MOEX fails and never substitutes a risk level for a credit rating', async () => {
const { tbank, moex, income } = setup();
tbank.getBond.mockResolvedValue({
...bond,
classCode: 'TQOB',
floatingCouponFlag: true,
riskLevel: 'RISK_LEVEL_LOW',
});
moex.bondYield.mockRejectedValue(new ServiceUnavailableException());
expect(await income.metrics('user', 'uid')).toMatchObject({
effectiveYield: null,
coupon: null,
couponType: 'COUPON_TYPE_FLOATING',
couponYieldPercent: null,
unavailable: ['yield'],
});
tbank.getBondCoupons.mockRejectedValue(new UnauthorizedException());
await expect(income.metrics('other', 'uid')).rejects.toBeInstanceOf(
UnauthorizedException,
);
});
it('returns only the rating of the exact issue and isolates a registry outage', async () => {
const { ratings, income } = setup();
const creditRating = {
agency: 'NCR',
value: 'AAA.ru',
status: 'active',
date: '2026-04-17',
sourceUrl: 'https://ratings.ru/ratings/issues/123/',
observedAt: '2026-09-10T10:00:00Z',
};
ratings.rating.mockResolvedValue(creditRating);
expect(await income.metrics('user', 'uid')).toMatchObject({
creditRating,
});
expect(ratings.rating).toHaveBeenCalledWith('ISIN');
ratings.rating.mockRejectedValue(new ServiceUnavailableException());
expect(await income.metrics('other', 'uid')).toMatchObject({
creditRating: null,
unavailable: ['rating'],
});
});
it('opens concurrent sections within one upstream metadata request budget', async () => {
const { service, tbank, market, income } = setup();
tbank.getBond
.mockReset()
.mockResolvedValueOnce(bond)
.mockRejectedValue(
new ServiceUnavailableException({ code: 'TBANK_UNAVAILABLE' }),
);
await expect(
Promise.all([
service.getByTicker('user', 'BOND'),
market.quote('user', 'uid'),
market.candles('user', 'uid'),
income.coupons('user', 'uid'),
income.metrics('user', 'uid'),
]),
).resolves.toHaveLength(5);
expect(tbank.getBond).toHaveBeenCalledTimes(1);
expect(tbank.findBonds).toHaveBeenCalledTimes(1);
});
it('searches thirty issues without a separate ticker lookup for each result', async () => {
const { service, tbank, market, income } = setup();
const issues = Array.from({ length: 30 }, (_, index) => ({
...bond,
uid: `uid-${index}`,
isin: `ISIN-${index}`,
ticker: `BOND-${index}`,
}));
tbank.findBonds.mockResolvedValue(issues);
tbank.getBond.mockImplementation((_token: string, uid: string) =>
Promise.resolve(issues.find((item) => item.uid === uid)),
);
expect(await service.search('user', 'BOND')).toHaveLength(30);
expect(tbank.findBonds).toHaveBeenCalledTimes(1);
expect(tbank.getBond).toHaveBeenCalledTimes(30);
expect(tbank.getLastPrices).toHaveBeenCalledTimes(1);
await service.getByTicker('user', 'BOND-0');
await Promise.all([
market.quote('user', 'uid-0'),
market.candles('user', 'uid-0'),
income.coupons('user', 'uid-0'),
]);
expect(tbank.getBond).toHaveBeenCalledTimes(30);
expect(tbank.findBonds).toHaveBeenCalledTimes(2);
});
it('refreshes current nominal and accrued interest after the metadata TTL', async () => {
const { service, tbank, market } = setup();
await service.get('user', 'uid');
await jest.advanceTimersByTimeAsync(30_001);
tbank.getBond.mockResolvedValue({
...bond,
nominal: money('400'),
aciValue: money('3'),
});
expect(await market.quote('user', 'uid')).toMatchObject({
cleanPrice: { value: '392.5' },
dirtyPrice: { value: '395.5' },
});
expect(tbank.getBond).toHaveBeenCalledTimes(2);
});
it('keeps late metadata responses within their original connection generation', async () => {
const { tbank, changeGeneration, market } = setup();
let resolveOld: ((value: typeof bond) => void) | undefined;
tbank.getBond.mockReturnValueOnce(
new Promise((resolve) => {
resolveOld = resolve;
}),
);
const oldQuote = market.quote('user', 'uid');
changeGeneration();
tbank.getBond.mockResolvedValue({ ...bond, nominal: money('400') });
expect(await market.quote('user', 'uid')).toMatchObject({
cleanPrice: { value: '392.5' },
});
assert.ok(resolveOld);
resolveOld(bond);
await oldQuote;
expect(await market.quote('user', 'uid')).toMatchObject({
cleanPrice: { value: '392.5' },
});
expect(tbank.getBond).toHaveBeenCalledTimes(2);
});
it('keeps percent quotes separate from money and uses current amortized nominal', async () => {
const { market } = setup();
expect(await market.quote('user', 'uid')).toMatchObject({
pricePercent: '98.125',
cleanPrice: { value: '490.625', currency: 'RUB' },
aci: { value: '12', currency: 'RUB' },
dirtyPrice: { value: '502.625', currency: 'RUB' },
changePercentagePoints: '-0.875',
previousCloseDate: '2026-09-09',
});
});
it('does not invent dirty prices or mix currencies when accrued interest is absent or mismatched', async () => {
const { tbank, market } = setup();
tbank.getBond.mockResolvedValueOnce({ ...bond, aciValue: undefined });
expect(await market.quote('user', 'uid')).toMatchObject({
aci: null,
dirtyPrice: null,
});
tbank.getBond.mockResolvedValueOnce({
...bond,
aciValue: money('12', 'usd'),
});
expect(await market.quote('other', 'uid')).toMatchObject({
dirtyPrice: null,
});
tbank.getBond.mockResolvedValueOnce({ ...bond, nominal: undefined });
expect(await market.quote('third', 'uid')).toMatchObject({
pricePercent: '98.125',
cleanPrice: null,
dirtyPrice: null,
});
});
it('preserves absent coupon flags and dates without reporting false or zero', async () => {
const { service } = setup();
expect(await service.get('user', 'uid')).toMatchObject({
floatingCoupon: null,
perpetual: null,
couponQuantityPerYear: null,
maturityDate: null,
nominal: { value: '500', currency: 'RUB' },
amortization: true,
});
});
it('keeps distinct issues, deduplicates ISIN listings, and prices the selected exact UID', async () => {
const { service, tbank } = setup();
const listings = [
{ ...bond, uid: 'off', apiTradeAvailableFlag: false },
{ ...bond, uid: 'uid', apiTradeAvailableFlag: true },
{ ...bond, uid: 'second', isin: 'OTHER', ticker: 'OTHER' },
{ ...bond, uid: 'share', instrumentKind: 'INSTRUMENT_TYPE_SHARE' },
{ ...bond, uid: undefined },
{ ...bond, uid: '' },
];
tbank.findBonds.mockResolvedValue(listings);
tbank.getBond.mockImplementation((_token: string, uid: string) =>
Promise.resolve(listings.find((b) => b.uid === uid)),
);
tbank.getLastPrices.mockResolvedValue([
{ instrumentUid: 'uid', price: { units: '99' } },
{ instrumentUid: 'off', price: { units: '1' } },
]);
const results = await service.search('user', 'BOND');
expect(results.map((x) => x.instrumentUid)).toEqual(['uid', 'second']);
expect(results[0]).toMatchObject({ pricePercent: '99', slug: 'uid' });
expect((await service.get('user', 'off')).slug).toBe('off');
});
it('rejects ambiguous tickers and wrong instrument identities', async () => {
const { service, tbank } = setup();
tbank.findBonds.mockResolvedValue([
bond,
{ ...bond, uid: 'other', isin: 'OTHER' },
]);
await expect(service.getByTicker('user', 'bond')).rejects.toBeInstanceOf(
ConflictException,
);
tbank.getBond.mockResolvedValue({ ...bond, uid: 'other' });
await expect(service.get('user', 'uid')).rejects.toBeInstanceOf(
NotFoundException,
);
});
it('preserves catalog results on enrichment outage but never suppresses auth failures', async () => {
const { service, tbank } = setup();
tbank.getBond.mockRejectedValue(new ServiceUnavailableException());
tbank.getLastPrices.mockRejectedValue(new ServiceUnavailableException());
expect(await service.search('user', 'BOND')).toMatchObject([
{ instrumentUid: 'uid', pricePercent: null, nominal: { value: '500' } },
]);
tbank.getBond.mockRejectedValue(new UnauthorizedException());
await expect(service.search('other', 'BOND')).rejects.toBeInstanceOf(
UnauthorizedException,
);
});
it('keeps daily candles in percent, deduplicates boundaries and requires an all-history start', async () => {
const { tbank, market } = setup();
const history = await market.candles('user', 'uid', 'all');
expect(history.currency).toBeNull();
expect(history.candles.map((c) => c.close)).toEqual(['99', '100']);
for (const [, , from, to] of tbank.getCandles.mock.calls as [
string,
string,
Date,
Date,
][])
expect(to.valueOf() - from.valueOf()).toBeLessThanOrEqual(365 * 86400000);
tbank.getBond.mockResolvedValue({
...bond,
first_1dayCandleDate: undefined,
});
await expect(market.candles('other', 'uid', 'all')).rejects.toBeInstanceOf(
ServiceUnavailableException,
);
});
it('isolates caches by user and connection generation and retries failures', async () => {
const { service, tbank, changeGeneration } = setup();
await Promise.all([service.get('a', 'uid'), service.get('a', 'uid')]);
expect(tbank.getBond).toHaveBeenCalledTimes(1);
await service.get('b', 'uid');
changeGeneration();
await service.get('a', 'uid');
expect(tbank.getBond).toHaveBeenCalledTimes(3);
tbank.getBond.mockRejectedValueOnce(new ServiceUnavailableException());
await expect(service.get('c', 'uid')).rejects.toBeInstanceOf(
ServiceUnavailableException,
);
await expect(service.get('c', 'uid')).resolves.toMatchObject({
instrumentUid: 'uid',
});
});
it('estimates only future unfixed coupons from positive exact-UID bond holdings', async () => {
const { tbank, portfolios, income } = setup();
const holding = {
instrumentUid: 'uid',
type: 'BOND',
quantity: '2',
averagePurchasePrice: { value: '490', currency: 'RUB' },
currentValue: { value: '981.25', currency: 'RUB' },
absoluteReturn: { value: '1.25', currency: 'RUB' },
};
portfolios.getAll.mockResolvedValue({
positions: [
holding,
{ ...holding, instrumentUid: 'other', quantity: '99' },
{ ...holding, type: 'STOCK', quantity: '999' },
],
lastSuccessfulAt: '2026-09-10T00:00:00Z',
isStale: true,
});
tbank.getBondCoupons.mockResolvedValue([
{
couponNumber: '1',
couponDate: time('2026-10-01'),
fixDate: time('2026-09-29'),
payOneBond: money('10'),
},
{
couponNumber: '2',
couponDate: time('2026-10-01'),
fixDate: time('2026-09-09'),
payOneBond: money('10'),
},
{
couponNumber: '3',
couponDate: time('2026-10-01'),
payOneBond: money('10'),
},
{
couponNumber: '4',
couponDate: time('2026-10-01'),
fixDate: time('2026-09-29'),
},
{
couponNumber: '5',
couponDate: time('2025-10-01'),
payOneBond: money('10'),
},
]);
const result = await income.coupons('user', 'uid');
expect(
result.coupons.find((c) => c.number === '1')?.estimatedAmount,
).toEqual({ value: '20', currency: 'RUB' });
expect(
result.coupons
.filter((c) => c.number !== '1')
.every((c) => c.estimatedAmount === null),
).toBe(true);
expect(result.coupons.find((c) => c.number === '4')?.perBond).toBeNull();
expect(result.positionIsStale).toBe(true);
expect(await income.position('user', 'uid')).toMatchObject({
quantity: '2',
currentValue: { value: '981.25' },
});
});
});