From deeee9ecb65ae10cddacc7bdb0f6d0e8f3b9f646 Mon Sep 17 00:00:00 2001 From: Jakub Jerabek Date: Fri, 5 Jun 2026 16:47:33 +0200 Subject: [PATCH 1/4] fix(fiat-rates): if historical rate missing for given date, return -1 --- fiat/fiat_rates.go | 35 ++++++++---------- fiat/fiat_rates_test.go | 80 +++++++++++++++++++++++++++++++++++++++++ openapi.yaml | 12 ++++--- 3 files changed, 101 insertions(+), 26 deletions(-) diff --git a/fiat/fiat_rates.go b/fiat/fiat_rates.go index 41ae6212ac..737e62576d 100644 --- a/fiat/fiat_rates.go +++ b/fiat/fiat_rates.go @@ -283,7 +283,6 @@ func (fr *FiatRates) GetTickersForTimestamps(timestamps []int64, vsCurrency stri hourlyTickersFrom := fr.hourlyTickersFrom hourlyTickersTo := fr.hourlyTickersTo dailyTickers := fr.dailyTickers - dailyTickersFrom := fr.dailyTickersFrom dailyTickersTo := fr.dailyTickersTo fr.mux.RUnlock() @@ -315,28 +314,22 @@ func (fr *FiatRates) GetTickersForTimestamps(timestamps []int64, vsCurrency stri tickers[i] = prevTicker continue } else { - var found bool - if dailyTs < dailyTickersFrom { - dailyTs = dailyTickersFrom - } - var ticker *common.CurrencyRatesTicker - for ; dailyTs <= dailyTickersTo; dailyTs += secondsInDay { - if ticker, found = dailyTickers[dailyTs]; found && ticker != nil { - if common.IsSuitableTicker(ticker, vsCurrency, token) { - tickers[i] = ticker - prevTicker = ticker - prevTs = t - break - } else { - found = false - } + if dailyTs <= dailyTickersTo { + // serve only a ticker stored for the resolved day, otherwise keep nil + // so that the API returns -1 + if ticker, found := dailyTickers[dailyTs]; found && ticker != nil && + roundTimeUnix(ticker.Timestamp, secondsInDay) == dailyTs && + common.IsSuitableTicker(ticker, vsCurrency, token) { + tickers[i] = ticker + prevTicker = ticker + prevTs = t } + continue } - if !found { - tickers[i] = currentTicker - prevTicker = currentTicker - prevTs = t - } + // timestamps after the stored history are served with the current ticker + tickers[i] = currentTicker + prevTicker = currentTicker + prevTs = t } } return &tickers, nil diff --git a/fiat/fiat_rates_test.go b/fiat/fiat_rates_test.go index f7643607b7..2dacd3bab7 100644 --- a/fiat/fiat_rates_test.go +++ b/fiat/fiat_rates_test.go @@ -420,6 +420,86 @@ func TestGetTickersForTimestamps_UsesGranularityAndFallback(t *testing.T) { } } +func TestGetTickersForTimestamps_GapInHistoryReturnsNil(t *testing.T) { + const day = int64(secondsInDay) + day1 := &common.CurrencyRatesTicker{Timestamp: time.Unix(day, 0).UTC(), Rates: map[string]float32{"usd": 1, "czk": 10}} + day2 := &common.CurrencyRatesTicker{Timestamp: time.Unix(2*day, 0).UTC(), Rates: map[string]float32{"usd": 2, "czk": 20}} + // czk is missing since day3, the same shape as a partially failing historical update + day3 := &common.CurrencyRatesTicker{Timestamp: time.Unix(3*day, 0).UTC(), Rates: map[string]float32{"usd": 3}} + day4 := &common.CurrencyRatesTicker{Timestamp: time.Unix(4*day, 0).UTC(), Rates: map[string]float32{"usd": 4}} + currentTicker := &common.CurrencyRatesTicker{Timestamp: time.Unix(5*day, 0).UTC(), Rates: map[string]float32{"usd": 5, "czk": 50}} + fr := &FiatRates{ + Enabled: true, + currentTicker: currentTicker, + dailyTickers: map[int64]*common.CurrencyRatesTicker{ + day: day1, + 2 * day: day2, + 3 * day: day3, + 4 * day: day4, + }, + dailyTickersFrom: day, + dailyTickersTo: 4 * day, + } + + tickers, err := fr.GetTickersForTimestamps([]int64{0, 50000, 100000, 200000, 350000}, "czk", "") + if err != nil { + t.Fatalf("GetTickersForTimestamps returned error: %v", err) + } + want := []*common.CurrencyRatesTicker{ + nil, // before the stored history, there is no rate for the requested day, the API returns -1 + day1, // resolved to the first stored day + day2, // within the stored history, the ticker of the requested day is returned + nil, // czk missing on the requested day, nil makes the API return -1 + currentTicker, // beyond the stored history, the current ticker is the closest available rate + } + if tickers == nil || !reflect.DeepEqual(*tickers, want) { + t.Fatalf("unexpected tickers: got %+v, want %+v", tickers, want) + } + + // a currency never present in the stored history resolves to nil within the historical range + tickers, err = fr.GetTickersForTimestamps([]int64{100000}, "xyz", "") + if err != nil { + t.Fatalf("GetTickersForTimestamps returned error: %v", err) + } + if tickers == nil || len(*tickers) != 1 || (*tickers)[0] != nil { + t.Fatalf("unexpected tickers for unknown currency: got %+v, want [nil]", tickers) + } + + // other currencies within the gap days are not affected + tickers, err = fr.GetTickersForTimestamps([]int64{200000}, "usd", "") + if err != nil { + t.Fatalf("GetTickersForTimestamps returned error: %v", err) + } + if tickers == nil || len(*tickers) != 1 || (*tickers)[0] != day3 { + t.Fatalf("unexpected tickers for usd: got %+v, want day3 ticker", tickers) + } + + // a day missing in the DB is filled with the next day ticker by loadDailyTickers; + // such day must be reported as unavailable even though the filling ticker contains + // the requested currency + fr.dailyTickers = map[int64]*common.CurrencyRatesTicker{ + day: day1, + 2 * day: day3, // forward-fill of the missing day2 + 3 * day: day3, + 4 * day: day4, + } + tickers, err = fr.GetTickersForTimestamps([]int64{100000}, "usd", "") + if err != nil { + t.Fatalf("GetTickersForTimestamps returned error: %v", err) + } + if tickers == nil || len(*tickers) != 1 || (*tickers)[0] != nil { + t.Fatalf("unexpected tickers for a missing day: got %+v, want [nil]", tickers) + } + // the next day with a stored ticker is still served normally + tickers, err = fr.GetTickersForTimestamps([]int64{200000}, "usd", "") + if err != nil { + t.Fatalf("GetTickersForTimestamps returned error: %v", err) + } + if tickers == nil || len(*tickers) != 1 || (*tickers)[0] != day3 { + t.Fatalf("unexpected tickers for the day after a missing day: got %+v, want day3 ticker", tickers) + } +} + func TestGetTickersForTimestamps_ConcurrentReadersAndWriters(t *testing.T) { fr := &FiatRates{Enabled: true} diff --git a/openapi.yaml b/openapi.yaml index 1d8e04fe87..7cd917fa39 100644 --- a/openapi.yaml +++ b/openapi.yaml @@ -772,11 +772,13 @@ paths: operationId: getFiatTicker summary: Get current or historical fiat rates. description: |- - Returns currency rates for the requested currency and date. If a rate - is unavailable for the exact timestamp, the closest available rate can - be returned. Responses include the actual rate timestamp. Without a - currency parameter, all available currencies can be returned. A rate of - -1 marks an unavailable or invalid currency for that timestamp. + Returns currency rates for the requested currency and date. Rates are + resolved forward to the nearest stored rate at or after the requested + timestamp within the same UTC day; responses include the actual rate + timestamp. A rate of -1 marks an invalid currency or a day with no + stored rate. Timestamps newer than the stored history return the + current rate. Without a currency parameter, all available currencies + can be returned. Load estimate: Low to medium; specific currency lookups are cheap, while omitted currency and token lookups increase response size. From c82c70aef9d6c7c3b1919c58d14a885496d7ae1a Mon Sep 17 00:00:00 2001 From: Jakub Jerabek Date: Sat, 6 Jun 2026 16:35:49 +0200 Subject: [PATCH 2/4] fix(tests): failing public.go tests --- server/public_test.go | 22 +++++++++++----------- 1 file changed, 11 insertions(+), 11 deletions(-) diff --git a/server/public_test.go b/server/public_test.go index a318407ef8..eeb3a27830 100644 --- a/server/public_test.go +++ b/server/public_test.go @@ -678,12 +678,12 @@ func httpTestsBitcoinType(t *testing.T, ts *httptest.Server) { }, }, { - name: "apiMultiFiatRates all currencies", + name: "apiMultiFiatRates all currencies, the second timestamp resolves to a missing day", r: newGetRequest(ts.URL + "/api/v2/multi-tickers?timestamp=1574344800,1521677000"), status: http.StatusOK, contentType: "application/json; charset=utf-8", body: []string{ - `[{"ts":1574380800,"rates":{"eur":7134.1,"usd":7914.5}},{"ts":1521849600,"rates":{"eur":1303,"usd":2003}}]`, + `[{"ts":1574380800,"rates":{"eur":7134.1,"usd":7914.5}},{"ts":1521677000,"rates":{}}]`, }, }, { @@ -696,12 +696,12 @@ func httpTestsBitcoinType(t *testing.T, ts *httptest.Server) { }, }, { - name: "apiFiatRates get closest rate", + name: "apiFiatRates timestamp before stored history", r: newGetRequest(ts.URL + "/api/v2/tickers?timestamp=1357045200¤cy=usd"), status: http.StatusOK, contentType: "application/json; charset=utf-8", body: []string{ - `{"ts":1521504000,"rates":{"usd":2000}}`, + `{"ts":1357045200,"rates":{"usd":-1}}`, }, }, { @@ -1536,7 +1536,7 @@ var websocketTestsBitcoinType = []websocketTest{ want: `{"id":"27","data":{"tickers":[{"ts":1521590400,"rates":{"eur":1301}}]}}`, }, { - name: "websocket getFiatRatesForTimestamps multiple timestamps usd", + name: "websocket getFiatRatesForTimestamps multiple timestamps usd, the first resolves to a missing day", req: websocketReq{ Method: "getFiatRatesForTimestamps", Params: map[string]interface{}{ @@ -1544,10 +1544,10 @@ var websocketTestsBitcoinType = []websocketTest{ "timestamps": []int64{1570346615, 1574346615}, }, }, - want: `{"id":"28","data":{"tickers":[{"ts":1574294400,"rates":{"usd":7814.5}},{"ts":1574380800,"rates":{"usd":7914.5}}]}}`, + want: `{"id":"28","data":{"tickers":[{"ts":1570346615,"rates":{"usd":-1}},{"ts":1574380800,"rates":{"usd":7914.5}}]}}`, }, { - name: "websocket getFiatRatesForTimestamps multiple timestamps eur", + name: "websocket getFiatRatesForTimestamps multiple timestamps eur, the first resolves to a missing day", req: websocketReq{ Method: "getFiatRatesForTimestamps", Params: map[string]interface{}{ @@ -1555,7 +1555,7 @@ var websocketTestsBitcoinType = []websocketTest{ "timestamps": []int64{1570346615, 1574346615}, }, }, - want: `{"id":"29","data":{"tickers":[{"ts":1574294400,"rates":{"eur":7100}},{"ts":1574380800,"rates":{"eur":7134.1}}]}}`, + want: `{"id":"29","data":{"tickers":[{"ts":1570346615,"rates":{"eur":-1}},{"ts":1574380800,"rates":{"eur":7134.1}}]}}`, }, { name: "websocket getFiatRatesForTimestamps multiple timestamps with an error", @@ -1566,7 +1566,7 @@ var websocketTestsBitcoinType = []websocketTest{ "timestamps": []int64{1570346615, 1574346615, 2000000000}, }, }, - want: `{"id":"30","data":{"tickers":[{"ts":1574294400,"rates":{"usd":7814.5}},{"ts":1574380800,"rates":{"usd":7914.5}},{"ts":2000000000,"rates":{"usd":-1}}]}}`, + want: `{"id":"30","data":{"tickers":[{"ts":1570346615,"rates":{"usd":-1}},{"ts":1574380800,"rates":{"usd":7914.5}},{"ts":2000000000,"rates":{"usd":-1}}]}}`, }, { name: "websocket getFiatRatesForTimestamps multiple errors", @@ -1584,10 +1584,10 @@ var websocketTestsBitcoinType = []websocketTest{ req: websocketReq{ Method: "getFiatRatesTickersList", Params: map[string]interface{}{ - "timestamp": 1570346615, + "timestamp": 1574346615, }, }, - want: `{"id":"32","data":{"ts":1574294400,"available_currencies":["eur","usd"]}}`, + want: `{"id":"32","data":{"ts":1574380800,"available_currencies":["eur","usd"]}}`, }, { name: "websocket getBalanceHistory Addr2", From c5973ef41a1219ad512a246a04aa6eb849767a22 Mon Sep 17 00:00:00 2001 From: Jakub Jerabek Date: Sat, 6 Jun 2026 16:36:12 +0200 Subject: [PATCH 3/4] feat(metrics): add fiat_rates_missing_day_lookups counter for observability --- common/metrics.go | 1 + configs/metrics.yaml | 4 ++++ fiat/fiat_rates.go | 2 ++ fiat/fiat_rates_test.go | 15 +++++++++++++++ 4 files changed, 22 insertions(+) diff --git a/common/metrics.go b/common/metrics.go index 800979f12a..5e07f67f01 100644 --- a/common/metrics.go +++ b/common/metrics.go @@ -95,6 +95,7 @@ type Metrics struct { FiatRatesFetchedUnits *prometheus.CounterVec `metric:"fiat_rates_fetched_units_total"` FiatRatesFetchedTokens *prometheus.CounterVec `metric:"fiat_rates_fetched_tokens_total"` FiatRatesUnable *prometheus.CounterVec `metric:"fiat_rates_unable_total"` + FiatRatesMissingDayLookups prometheus.Counter `metric:"fiat_rates_missing_day_lookups"` AlternativeFeeProviderRequests *prometheus.CounterVec `metric:"alternative_fee_provider_requests"` EthSyncRpcErrors *prometheus.CounterVec `metric:"eth_sync_rpc_errors"` } diff --git a/configs/metrics.yaml b/configs/metrics.yaml index 487ab542fb..56494cdd73 100644 --- a/configs/metrics.yaml +++ b/configs/metrics.yaml @@ -368,6 +368,10 @@ metrics: type: counter_vec help: Fiat-rate series that could not be fetched, split by phase and reason (gap_too_large, fetch_failed, provider_banned, no_base_ticker, budget_exhausted) labels: [phase, reason] + fiat_rates_missing_day_lookups: + name: blockbook_fiat_rates_missing_day_lookups + type: counter + help: Fiat rate lookups that found no stored historical ticker for the resolved day and returned an unavailable rate alternative_fee_provider_requests: name: blockbook_alternative_fee_provider_requests type: counter_vec diff --git a/fiat/fiat_rates.go b/fiat/fiat_rates.go index 737e62576d..de9df56f3a 100644 --- a/fiat/fiat_rates.go +++ b/fiat/fiat_rates.go @@ -323,6 +323,8 @@ func (fr *FiatRates) GetTickersForTimestamps(timestamps []int64, vsCurrency stri tickers[i] = ticker prevTicker = ticker prevTs = t + } else if fr.metrics != nil { + fr.metrics.FiatRatesMissingDayLookups.Inc() } continue } diff --git a/fiat/fiat_rates_test.go b/fiat/fiat_rates_test.go index 2dacd3bab7..952c4f65ff 100644 --- a/fiat/fiat_rates_test.go +++ b/fiat/fiat_rates_test.go @@ -16,6 +16,7 @@ import ( "github.com/golang/glog" "github.com/linxGnu/grocksdb" "github.com/martinboehm/btcutil/chaincfg" + dto "github.com/prometheus/client_model/go" "github.com/trezor/blockbook/bchain" "github.com/trezor/blockbook/bchain/coins/btc" "github.com/trezor/blockbook/common" @@ -428,8 +429,13 @@ func TestGetTickersForTimestamps_GapInHistoryReturnsNil(t *testing.T) { day3 := &common.CurrencyRatesTicker{Timestamp: time.Unix(3*day, 0).UTC(), Rates: map[string]float32{"usd": 3}} day4 := &common.CurrencyRatesTicker{Timestamp: time.Unix(4*day, 0).UTC(), Rates: map[string]float32{"usd": 4}} currentTicker := &common.CurrencyRatesTicker{Timestamp: time.Unix(5*day, 0).UTC(), Rates: map[string]float32{"usd": 5, "czk": 50}} + metrics, err := common.GetMetrics("fakecoin") + if err != nil { + t.Fatalf("GetMetrics failed: %v", err) + } fr := &FiatRates{ Enabled: true, + metrics: metrics, currentTicker: currentTicker, dailyTickers: map[int64]*common.CurrencyRatesTicker{ day: day1, @@ -498,6 +504,15 @@ func TestGetTickersForTimestamps_GapInHistoryReturnsNil(t *testing.T) { if tickers == nil || len(*tickers) != 1 || (*tickers)[0] != day3 { t.Fatalf("unexpected tickers for the day after a missing day: got %+v, want day3 ticker", tickers) } + + // every nil result above must be counted by the missing day lookups metric + var m dto.Metric + if err := metrics.FiatRatesMissingDayLookups.Write(&m); err != nil { + t.Fatalf("counter Write failed: %v", err) + } + if got := m.GetCounter().GetValue(); got != 4 { + t.Fatalf("unexpected missing day lookups count: got %v, want 4", got) + } } func TestGetTickersForTimestamps_ConcurrentReadersAndWriters(t *testing.T) { From 846bde679da8bbff492358f1152a64ccd75dc76f Mon Sep 17 00:00:00 2001 From: Jakub Jerabek Date: Sat, 6 Jun 2026 17:25:33 +0200 Subject: [PATCH 4/4] fix(tests): expected outputs in public.go tests --- server/public_ethereumtype_test.go | 6 +++--- server/public_test.go | 3 ++- 2 files changed, 5 insertions(+), 4 deletions(-) diff --git a/server/public_ethereumtype_test.go b/server/public_ethereumtype_test.go index 3fac995e55..ec91035d9c 100644 --- a/server/public_ethereumtype_test.go +++ b/server/public_ethereumtype_test.go @@ -27,7 +27,7 @@ func httpTestsEthereumType(t *testing.T, ts *httptest.Server) { status: http.StatusOK, contentType: "text/html; charset=utf-8", body: []string{ - `Trezor Fake Coin Explorer

Address address7b.eth

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`, }, }, { @@ -36,7 +36,7 @@ func httpTestsEthereumType(t *testing.T, ts *httptest.Server) { status: http.StatusOK, contentType: "text/html; charset=utf-8", body: []string{ - `Trezor Fake Coin Explorer

Address

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Address

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Fee 0.002081 FAKE4.16 USD18.55 USD (40 Gwei/gas)
Unconfirmed Transaction!0 FAKE0.00 USD0.00 USD
Input Data

0xa9059cbb000000000000000000000000555ee11fbddc0e49a9bab358a8941ad95ffdb48f00000000000000000000000000000000000000000000021e19e0c9bab2400000
transfer(address, uint256)
#TypeData
0address0x555Ee11FBDDc0E49A9bAB358A8941AD95fFDB48f
1uint25610000000000000000000000
`,
+				`Trezor Fake Coin Explorer
Transaction
0xa9cd088aba2131000da6f38a33c20169baee476218deea6b78720700b895b101
In BlockUnconfirmed
StatusSuccess
Value0 FAKE0.00 USD
Gas Used / Limit52025 / 78037
Gas Price0.00000004 FAKE0.00 USD (40 Gwei)
Max Priority Fee Per Gas0.000000040000000001 FAKE0.00 USD (40.000000001 Gwei)
Max Fee Per Gas0.000000040000000002 FAKE0.00 USD (40.000000002 Gwei)
Base Fee Per Gas0.000000040000000003 FAKE0.00 USD (40.000000003 Gwei)
Fees0.002081 FAKE18.55 USD
RBFON
Nonce208
0xa9cd088aba2131000da6f38a33c20169baee476218deea6b78720700b895b101 RBF
Transfer (0xa9059cbb)
address20.eth
 
Contract 74
0 FAKE0.00 USD
ERC20 Token Transfers
address20.eth
 
0x555Ee11FBDDc0E49A9bAB358A8941AD95fFDB48f
10000000000 S74-
Fee 0.002081 FAKE18.55 USD (40 Gwei/gas)
Unconfirmed Transaction!0 FAKE0.00 USD
Input Data
0xa9059cbb000000000000000000000000555ee11fbddc0e49a9bab358a8941ad95ffdb48f00000000000000000000000000000000000000000000021e19e0c9bab2400000
transfer(address, uint256)
#TypeData
0address0x555Ee11FBDDc0E49A9bAB358A8941AD95fFDB48f
1uint25610000000000000000000000
`,
 			},
 		}, {
 			name:        "explorerTokenDetail " + dbtestdata.EthAddr7b,
diff --git a/server/public_test.go b/server/public_test.go
index eeb3a27830..02726cd16e 100644
--- a/server/public_test.go
+++ b/server/public_test.go
@@ -2038,7 +2038,8 @@ func Test_HTTPBalanceHistory_GroupByAndInvalidCurrency_BitcoinType(t *testing.T)
 			Received:   "18876",
 			Sent:       "9876",
 			SentToSelf: "9000",
-			Rates:      map[string]float32{"eur": 1300},
+			// the grouped bucket time resolves to a day before the first stored ticker, no rates are returned
+			Rates: nil,
 		},
 	}
 	if !reflect.DeepEqual(grouped, wantGrouped) {