From 6c173a28fd88c019b4b18c262b0b0a5fe251f01c Mon Sep 17 00:00:00 2001
From: Csillag Kristof <csillag@harmacolindor.com>
Date: Tue, 31 Oct 2023 22:32:22 +0100
Subject: [PATCH] Show block-level events in block details

W.I.P. because filtering out tx-level events is done on the client
---
 .changelog/990.feature.md                    |  1 +
 src/app/pages/BlockDetailPage/EventsCard.tsx | 81 ++++++++++++++++++++
 src/app/pages/BlockDetailPage/index.tsx      |  2 +
 src/locales/en/translation.json              |  2 +
 4 files changed, 86 insertions(+)
 create mode 100644 .changelog/990.feature.md
 create mode 100644 src/app/pages/BlockDetailPage/EventsCard.tsx

diff --git a/.changelog/990.feature.md b/.changelog/990.feature.md
new file mode 100644
index 0000000000..9c024abc94
--- /dev/null
+++ b/.changelog/990.feature.md
@@ -0,0 +1 @@
+Show block-level evens in block details
diff --git a/src/app/pages/BlockDetailPage/EventsCard.tsx b/src/app/pages/BlockDetailPage/EventsCard.tsx
new file mode 100644
index 0000000000..cd84b60e59
--- /dev/null
+++ b/src/app/pages/BlockDetailPage/EventsCard.tsx
@@ -0,0 +1,81 @@
+import { FC, useState } from 'react'
+import { useTranslation } from 'react-i18next'
+import { ScrollingCard } from '../../components/PageLayout/ScrollingCard'
+import CardHeader from '@mui/material/CardHeader'
+import CardContent from '@mui/material/CardContent'
+
+import { Layer, RuntimeEventType, useGetRuntimeEvents } from '../../../oasis-nexus/api'
+import { ErrorBoundary } from '../../components/ErrorBoundary'
+import { AppErrors } from '../../../types/errors'
+import { SearchScope } from '../../../types/searchScope'
+import { RuntimeEventsDetailedList } from '../../components/RuntimeEvents/RuntimeEventsDetailedList'
+import { AddressSwitchOption } from '../../components/AddressSwitch'
+import { EventFilterMode, EventFilterSwitch } from '../../components/RuntimeEvents/EventListFilterSwitch'
+import { EmptyState } from '../../components/EmptyState'
+
+export const eventsContainerId = 'events'
+
+const EventsList: FC<{ scope: SearchScope; blockHeight: number; filterMode: EventFilterMode }> = ({
+  scope,
+  blockHeight,
+  filterMode,
+}) => {
+  const { t } = useTranslation()
+  if (scope.layer === Layer.consensus) {
+    // Loading events for consensus blocks is not yet supported.
+    // Should use useGetConsensusEvents()
+    throw AppErrors.UnsupportedLayer
+  }
+  const eventsQuery = useGetRuntimeEvents(scope.network, scope.layer, {
+    block: blockHeight,
+    // TODO: search for tx_hase = null
+  })
+
+  const { isLoading, isError, data } = eventsQuery
+
+  const events = data?.data.events.filter(
+    event =>
+      !event.tx_hash && // TODO: remove filtering here if it's implemented using the query parameters
+      (filterMode === EventFilterMode.All || event.type !== RuntimeEventType.accountstransfer),
+  )
+
+  if (!events?.length && !isLoading) {
+    return (
+      <EmptyState
+        description={t('runtimeEvent.cantFindMatchingEvents')}
+        title={t('runtimeEvent.noEvents')}
+        light={true}
+      />
+    )
+  }
+
+  return (
+    <RuntimeEventsDetailedList
+      scope={scope}
+      events={events}
+      isLoading={isLoading}
+      isError={isError}
+      addressSwitchOption={AddressSwitchOption.ETH}
+    />
+  )
+}
+
+export const EventsCard: FC<{ scope: SearchScope; blockHeight: number }> = ({ scope, blockHeight }) => {
+  const [filterMode, setFilterMode] = useState<EventFilterMode>(EventFilterMode.All)
+  const { t } = useTranslation()
+  return (
+    <ScrollingCard id={eventsContainerId}>
+      <CardHeader
+        disableTypography
+        component="h3"
+        title={t('common.events')}
+        action={<EventFilterSwitch selected={filterMode} onSelectionChange={setFilterMode} />}
+      />
+      <CardContent>
+        <ErrorBoundary light={true}>
+          <EventsList scope={scope} blockHeight={blockHeight} filterMode={filterMode} />
+        </ErrorBoundary>
+      </CardContent>
+    </ScrollingCard>
+  )
+}
diff --git a/src/app/pages/BlockDetailPage/index.tsx b/src/app/pages/BlockDetailPage/index.tsx
index 19211a05fd..230ac226bd 100644
--- a/src/app/pages/BlockDetailPage/index.tsx
+++ b/src/app/pages/BlockDetailPage/index.tsx
@@ -18,6 +18,7 @@ import { BlockLink, BlockHashLink } from '../../components/Blocks/BlockLink'
 import { RouteUtils } from '../../utils/route-utils'
 import { useRequiredScopeParam } from '../../hooks/useScopeParam'
 import { DashboardLink } from '../ParatimeDashboardPage/DashboardLink'
+import { EventsCard } from './EventsCard'
 
 export const BlockDetailPage: FC = () => {
   const { t } = useTranslation()
@@ -43,6 +44,7 @@ export const BlockDetailPage: FC = () => {
         <BlockDetailView isLoading={isLoading} block={block} />
       </SubPageCard>
       {!!block?.num_transactions && <TransactionsCard scope={scope} blockHeight={blockHeight} />}
+      <EventsCard scope={scope} blockHeight={blockHeight} />
     </PageLayout>
   )
 }
diff --git a/src/locales/en/translation.json b/src/locales/en/translation.json
index f19edaf87a..378a986bc5 100644
--- a/src/locales/en/translation.json
+++ b/src/locales/en/translation.json
@@ -286,6 +286,8 @@
   },
   "runtimeEvent": {
     "cantLoadEvents": "Unfortunately we couldn't load the list of events. Please try again later.",
+    "noEvents": "No events",
+    "cantFindMatchingEvents": "We can't find any matching events.",
     "accountsburn": "Tokens burnt",
     "accountsmint": "Tokens minted",
     "accountstransfer": "Transfer",