Daily transactions chart

src/app/pages/DashboardPage/TransactionsChartCard.tsx

@@ -1,12 +1,18 @@
 import { useTranslation } from 'react-i18next'
 import { Layer, useGetLayerStatsTxVolume } from '../../../oasis-indexer/api'
-import { ChartDuration, chartUseQueryStaleTimeMs, durationToQueryParams } from '../../utils/chart-utils'
+import {
+  ChartDuration,
+  chartUseQueryStaleTimeMs,
+  durationToQueryParams,
+  sumBucketsByStartDuration,
+} from '../../utils/chart-utils'
 import { LineChart } from '../../components/charts/LineChart'
 import { useTheme } from '@mui/material/styles'
 import useMediaQuery from '@mui/material/useMediaQuery'
 import { FC, memo } from 'react'
 import { SnapshotCard } from './SnapshotCard'
 import { PercentageGain } from '../../components/PercentageGain'
+import startOfHour from 'date-fns/startOfHour'
 
 interface TransactionsChartCardProps {
   chartDuration: ChartDuration
@@ -17,19 +23,36 @@ const TransactionsChartCardCmp: FC<TransactionsChartCardProps> = ({ chartDuratio
   const theme = useTheme()
   const isMobile = useMediaQuery(theme.breakpoints.down('sm'))
   const statsParams = durationToQueryParams[chartDuration]
-  const { data } = useGetLayerStatsTxVolume(Layer.emerald, statsParams, {
+  const { data, isFetched } = useGetLayerStatsTxVolume(Layer.emerald, statsParams, {
     query: { staleTime: chartUseQueryStaleTimeMs },
   })
 
-  const lineChartData = data?.data.buckets.map(bucket => {
+  const isDailyChart = isFetched && chartDuration === ChartDuration.TODAY
+
+  const buckets = data?.data.buckets.map(bucket => {
     return {
       bucket_start: bucket.bucket_start,
       volume_per_second: bucket.tx_volume / statsParams.bucket_size_seconds,
     }
   })
-
   const totalTransactions = data?.data.buckets.reduce((acc, curr) => acc + curr.tx_volume, 0) ?? 0
 
+  const lineChartData = isDailyChart
+    ? sumBucketsByStartDuration(buckets, 'volume_per_second', 'bucket_start', startOfHour)
+    : buckets
+
+  const formatParams = isDailyChart
+    ? {
+        timestamp: {
+          year: 'numeric',
+          month: 'numeric',
+          day: 'numeric',
+          hour: 'numeric',
+          minute: 'numeric',
+        } satisfies Intl.DateTimeFormatOptions,
+      }
+    : undefined
+
   return (
     <SnapshotCard
       title={t('common.transactions')}
@@ -62,6 +85,7 @@ const TransactionsChartCardCmp: FC<TransactionsChartCardProps> = ({ chartDuratio
             label: (value: string) =>
               t('common.formattedDateTime', {
                 timestamp: new Date(value),
+                formatParams,
               }),
           }}
         />

src/app/utils/chart-utils.ts

@@ -1,4 +1,7 @@
+import startOfHour from 'date-fns/startOfHour'
+import startOfDay from 'date-fns/startOfDay'
 import isSameMonth from 'date-fns/isSameMonth'
+import startOfMonth from 'date-fns/startOfMonth'
 import { GetLayerStatsTxVolumeParams, type TxVolume, type ActiveAccounts } from '../../oasis-indexer/api'
 
 export enum ChartDuration {
@@ -80,3 +83,40 @@ export const filterHourlyActiveAccounts = (
 ): ActiveAccounts[] | undefined => {
   return windows?.filter((value, index) => index % 12 === 0)
 }
+
+type NumberOnly<T> = {
+  [key in keyof T as T[key] extends number | undefined ? key : never]: T[key]
+}
+
+type StringOnly<T> = {
+  [key in keyof T as T[key] extends string | undefined ? key : never]: T[key]
+}
+
+export const sumBucketsByStartDuration = <
+  T extends NumberOnly<any> & StringOnly<any>,
+  N extends keyof NumberOnly<T>,
+  S extends keyof StringOnly<T>,
+>(
+  buckets: T[] | undefined,
+  sumKey: N,
+  dateKey: S,
+  startDurationFn: typeof startOfHour | typeof startOfDay | typeof startOfMonth,
+) => {
+  if (!buckets) {
+    return []
+  }
+
+  const durationMap = buckets.reduce((accMap, item) => {
+    const key = startDurationFn(new Date(item[dateKey])).toISOString()
+
+    return {
+      ...accMap,
+      [key]: (accMap[key] || 0) + item[sumKey],
+    }
+  }, {} as { [key: string]: number })
+
+  return Object.keys(durationMap).map(key => ({
+    [dateKey]: key,
+    [sumKey]: durationMap[key],
+  })) as T[]
+}