Files
explorer-monorepo/frontend/src/components/home/HomePage.tsx
defiQUG 1aa81f454a
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feat(explorer): add live token/native pricing and legacy tx route compatibility
2026-04-25 23:45:07 -07:00

986 lines
48 KiB
TypeScript

import { useCallback, useEffect, useState } from 'react'
import { Card } from '@/libs/frontend-ui-primitives/Card'
import Link from 'next/link'
import { blocksApi, type Block } from '@/services/api/blocks'
import {
statsApi,
type ExplorerRecentActivitySnapshot,
type ExplorerStats,
type ExplorerTransactionTrendPoint,
} from '@/services/api/stats'
import {
missionControlApi,
summarizeMissionControlRelay,
type MissionControlBridgeStatusResponse,
type MissionControlRelaySummary,
} from '@/services/api/missionControl'
import { loadDashboardData } from '@/utils/dashboard'
import EntityBadge from '@/components/common/EntityBadge'
import { formatRelativeAge, formatTimestamp, formatWeiAsEth } from '@/utils/format'
import { transactionsApi, type Transaction } from '@/services/api/transactions'
import { summarizeChainActivity } from '@/utils/activityContext'
import ActivityContextPanel from '@/components/common/ActivityContextPanel'
import FreshnessTrustNote from '@/components/common/FreshnessTrustNote'
import { Explain, useUiMode } from '@/components/common/UiModeContext'
import { resolveEffectiveFreshness, shouldExplainEmptyHeadBlocks } from '@/utils/explorerFreshness'
import { tokenAggregationApi, type TokenAggregationTokenSnapshot } from '@/services/api/tokenAggregation'
type HomeStats = ExplorerStats
interface HomePageProps {
initialStats?: HomeStats | null
initialRecentBlocks?: Block[]
initialRecentTransactions?: Transaction[]
initialTransactionTrend?: ExplorerTransactionTrendPoint[]
initialActivitySnapshot?: ExplorerRecentActivitySnapshot | null
initialBridgeStatus?: MissionControlBridgeStatusResponse | null
initialRelaySummary?: MissionControlRelaySummary | null
}
function resolveRelaySeverityLabel(status?: string, tone?: 'normal' | 'warning' | 'danger') {
const normalized = String(status || '').toLowerCase()
if (normalized === 'down') return 'down'
if (normalized === 'degraded' || normalized === 'stale' || normalized === 'stopped') return 'degraded'
if (normalized === 'paused') return 'paused'
if (['starting', 'unknown', 'snapshot-error'].includes(normalized) || tone === 'warning') return 'warning'
return 'operational'
}
function resolveRelayBadgeTone(status?: string, tone?: 'normal' | 'warning' | 'danger'): 'success' | 'info' | 'warning' {
const severity = resolveRelaySeverityLabel(status, tone)
if (severity === 'operational') return 'success'
if (severity === 'warning') return 'info'
return 'warning'
}
function getLaneImpactNote(key: string, severity: string) {
if (key === 'mainnet_weth' && severity === 'paused') {
return 'New Mainnet WETH bridge deliveries are currently queued while this lane is paused. Core Chain 138 browsing remains available.'
}
if (key === 'avax' || key === 'avalanche' || key === 'avax_cw' || key === 'avax_to_138') {
return severity === 'operational'
? 'Avalanche lane visibility is healthy.'
: 'Affects Avalanche-connected bridge visibility and routing. Core Chain 138 browsing remains available.'
}
if (key.includes('mainnet')) {
return severity === 'operational'
? 'Ethereum Mainnet relay visibility is healthy.'
: 'Affects Mainnet bridge posture and route visibility more than core Chain 138 browsing.'
}
if (key.includes('bsc')) {
return severity === 'operational'
? 'BSC relay visibility is healthy.'
: 'Affects BSC-connected bridge posture and route visibility more than core Chain 138 browsing.'
}
return severity === 'operational'
? 'Relay lane visibility is healthy.'
: 'Affects this relay lane more than core Chain 138 chain browsing.'
}
function formatObservabilityValue(value: number | null, formatter: (value: number) => string) {
if (value == null) {
return { value: 'Unknown', note: 'Not reported by the current public stats payload.' }
}
return { value: formatter(value), note: 'Current public stats payload.' }
}
function formatGasPriceGwei(value: number) {
if (!Number.isFinite(value)) return 'Unknown'
return `${value.toFixed(3)} gwei`
}
function compactStatNote(guided: string, expert: string, mode: 'guided' | 'expert') {
return mode === 'guided' ? guided : expert
}
function formatUsd(value: number | undefined) {
if (value == null || !Number.isFinite(value)) return 'Unavailable'
return new Intl.NumberFormat('en-US', {
style: 'currency',
currency: 'USD',
maximumFractionDigits: value >= 100 ? 0 : 2,
}).format(value)
}
export default function Home({
initialStats = null,
initialRecentBlocks = [],
initialRecentTransactions = [],
initialTransactionTrend = [],
initialActivitySnapshot = null,
initialBridgeStatus = null,
initialRelaySummary = null,
}: HomePageProps) {
const { mode } = useUiMode()
const [stats, setStats] = useState<HomeStats | null>(initialStats)
const [recentBlocks, setRecentBlocks] = useState<Block[]>(initialRecentBlocks)
const [transactionTrend, setTransactionTrend] = useState<ExplorerTransactionTrendPoint[]>(initialTransactionTrend)
const [recentTransactions, setRecentTransactions] = useState<Transaction[]>(initialRecentTransactions)
const [activitySnapshot, setActivitySnapshot] = useState<ExplorerRecentActivitySnapshot | null>(initialActivitySnapshot)
const [bridgeStatus, setBridgeStatus] = useState<MissionControlBridgeStatusResponse | null>(initialBridgeStatus)
const [relaySummary, setRelaySummary] = useState<MissionControlRelaySummary | null>(initialRelaySummary)
const [featuredPrices, setFeaturedPrices] = useState<TokenAggregationTokenSnapshot[]>([])
const [missionExpanded, setMissionExpanded] = useState(false)
const [relayExpanded, setRelayExpanded] = useState(false)
const [relayPage, setRelayPage] = useState(1)
const [relayFeedState, setRelayFeedState] = useState<'connecting' | 'live' | 'fallback'>(
initialRelaySummary || initialBridgeStatus ? 'fallback' : 'connecting'
)
const chainId = parseInt(process.env.NEXT_PUBLIC_CHAIN_ID || '138')
const latestBlock = stats?.latest_block ?? recentBlocks[0]?.number ?? null
const loadDashboard = useCallback(async () => {
const dashboardData = await loadDashboardData({
loadStats: () => statsApi.get(),
loadRecentTransactionTrend: () => statsApi.getTransactionTrend(),
loadRecentBlocks: async () => {
const response = await blocksApi.list({
chain_id: chainId,
page: 1,
page_size: 10,
})
return response.data
},
onError: (scope, error) => {
if (process.env.NODE_ENV !== 'production') {
console.warn(`Failed to load dashboard ${scope}:`, error)
}
},
})
setStats((current) => dashboardData.stats ?? current)
setRecentBlocks((current) => (dashboardData.recentBlocks.length > 0 ? dashboardData.recentBlocks : current))
setTransactionTrend((current) =>
(dashboardData.recentTransactionTrend || []).length > 0 ? dashboardData.recentTransactionTrend : current,
)
}, [chainId])
useEffect(() => {
loadDashboard()
}, [loadDashboard])
useEffect(() => {
let cancelled = false
statsApi.getRecentActivitySnapshot().then((snapshot) => {
if (!cancelled) {
setActivitySnapshot(snapshot)
}
}).catch((error) => {
if (!cancelled && process.env.NODE_ENV !== 'production') {
console.warn('Failed to load recent activity snapshot:', error)
}
})
return () => {
cancelled = true
}
}, [])
useEffect(() => {
let cancelled = false
tokenAggregationApi.getTokensByAddressSafe(138, [
'0x93E66202A11B1772E55407B32B44e5Cd8eda7f22',
'0xf22258f57794CC8E06237084b353Ab30fFfa640b',
'0x290e52a8819A4fBd0714e517225429AA2B70EC6B',
'0xc02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2',
]).then(({ data }) => {
if (!cancelled) {
setFeaturedPrices(data)
}
}).catch((error) => {
if (!cancelled && process.env.NODE_ENV !== 'production') {
console.warn('Failed to load featured token prices:', error)
}
})
return () => {
cancelled = true
}
}, [])
useEffect(() => {
let cancelled = false
if (recentTransactions.length > 0) {
return () => {
cancelled = true
}
}
transactionsApi.listSafe(chainId, 1, 5)
.then(({ ok, data }) => {
if (!cancelled && ok && data.length > 0) {
setRecentTransactions(data)
}
})
.catch((error) => {
if (!cancelled && process.env.NODE_ENV !== 'production') {
console.warn('Failed to load recent transactions for activity context:', error)
}
})
return () => {
cancelled = true
}
}, [chainId, recentTransactions.length])
useEffect(() => {
let cancelled = false
const loadSnapshot = async () => {
try {
const status = await missionControlApi.getBridgeStatus()
if (!cancelled) {
setBridgeStatus(status)
setRelaySummary(summarizeMissionControlRelay(status))
}
} catch (error) {
if (!cancelled && process.env.NODE_ENV !== 'production') {
console.warn('Failed to load mission control relay summary:', error)
}
}
}
loadSnapshot()
const unsubscribe = missionControlApi.subscribeBridgeStatus(
(status) => {
if (!cancelled) {
setBridgeStatus(status)
setRelaySummary(summarizeMissionControlRelay(status))
setRelayFeedState('live')
}
},
(error) => {
if (!cancelled) {
setRelayFeedState('fallback')
}
if (process.env.NODE_ENV !== 'production') {
console.warn('Mission control live stream update issue:', error)
}
}
)
return () => {
cancelled = true
unsubscribe()
}
}, [])
const relayToneClasses =
relaySummary?.tone === 'danger'
? 'border-red-200 bg-red-50 text-red-900 dark:border-red-900/60 dark:bg-red-950/40 dark:text-red-100'
: relaySummary?.tone === 'warning'
? 'border-amber-200 bg-amber-50 text-amber-900 dark:border-amber-900/60 dark:bg-amber-950/40 dark:text-amber-100'
: 'border-sky-200 bg-sky-50 text-sky-900 dark:border-sky-900/60 dark:bg-sky-950/40 dark:text-sky-100'
const latestTrendPoint = transactionTrend[0] || null
const peakTrendPoint = transactionTrend.reduce<ExplorerTransactionTrendPoint | null>(
(best, point) => (!best || point.transaction_count > best.transaction_count ? point : best),
null,
)
const averageBlockTimeSeconds =
stats?.average_block_time_ms != null ? Math.round(stats.average_block_time_ms / 1000) : null
const averageGasPriceGwei = stats?.average_gas_price_gwei ?? null
const transactionsToday = stats?.transactions_today ?? null
const networkUtilization =
stats?.network_utilization_percentage != null ? Math.round(stats.network_utilization_percentage) : null
const relayAttentionCount = relaySummary?.items.filter((item) => item.tone !== 'normal').length || 0
const relayOperationalCount = relaySummary?.items.filter((item) => item.tone === 'normal').length || 0
const relayPageSize = 4
const relayPageCount = relaySummary?.items.length ? Math.max(1, Math.ceil(relaySummary.items.length / relayPageSize)) : 1
const relayVisibleItems = relaySummary?.items.slice((relayPage - 1) * relayPageSize, relayPage * relayPageSize) || []
const chainStatus = bridgeStatus?.data?.chains?.['138'] || (bridgeStatus?.data?.chains ? Object.values(bridgeStatus.data.chains)[0] : null)
const checkedAt = bridgeStatus?.data?.checked_at || null
const missionHeadline = relaySummary
? relaySummary.tone === 'danger'
? 'Relay lanes need attention'
: relaySummary.tone === 'warning'
? 'Relay lanes are degraded'
: 'Relay lanes are operational'
: chainStatus?.status === 'operational'
? 'Chain 138 public health is operational'
: chainStatus?.status
? `Chain 138 public health is ${chainStatus.status}`
: 'Mission control snapshot available'
const missionDescription = (() => {
const parts: string[] = []
if (checkedAt) parts.push(`Last checked ${formatTimestamp(checkedAt)}`)
if (chainStatus?.head_age_sec != null) parts.push(`head age ${Math.round(chainStatus.head_age_sec)}s`)
if (chainStatus?.latency_ms != null) parts.push(`RPC latency ${Math.round(chainStatus.latency_ms)}ms`)
if (relaySummary?.items.length) {
parts.push(`${relayOperationalCount} operational lanes`)
if (relayAttentionCount > 0) parts.push(`${relayAttentionCount} flagged lanes`)
} else {
parts.push('relay inventory unavailable in the current snapshot')
}
return parts.join(' · ')
})()
const snapshotAgeLabel = checkedAt ? formatRelativeAge(checkedAt) : 'Unknown'
const chainVisibilityState =
chainStatus?.head_age_sec != null
? chainStatus.head_age_sec <= 30
? 'current'
: chainStatus.head_age_sec <= 120
? 'slightly delayed'
: 'stale'
: 'unknown'
const snapshotReason =
relayFeedState === 'fallback'
? 'Live indexing or relay streaming is not currently attached to this homepage card.'
: relayFeedState === 'live'
? 'Receiving named live mission-control events.'
: 'Negotiating the mission-control event stream.'
const snapshotScope =
bridgeStatus?.data?.mode?.scope
? bridgeStatus.data.mode.scope.replaceAll('_', ' ')
: relayFeedState === 'fallback'
? 'This primarily affects relay-lane freshness on the homepage card. Core explorer pages and public RPC health can still be current.'
: relayFeedState === 'live'
? 'Relay and chain status are arriving through live mission-control events.'
: 'Homepage status is waiting for the mission-control stream to settle.'
const missionImpact = relayAttentionCount > 0
? 'Some cross-chain relay lanes are degraded. Core Chain 138 operation remains visible through the public RPC and explorer surfaces.'
: 'Core Chain 138 operation and the visible relay lanes are currently healthy.'
const activityContext = summarizeChainActivity({
blocks: recentBlocks,
transactions: recentTransactions,
latestBlockNumber: latestBlock,
latestBlockTimestamp: recentBlocks[0]?.timestamp ?? null,
freshness: resolveEffectiveFreshness(stats, bridgeStatus),
diagnostics: stats?.diagnostics ?? bridgeStatus?.data?.diagnostics ?? null,
})
const txCompleteness = stats?.completeness?.transactions_feed || bridgeStatus?.data?.subsystems?.tx_index?.completeness || null
const blockCompleteness = stats?.completeness?.blocks_feed || null
const statsGeneratedAt = stats?.sampling?.stats_generated_at || null
const missionMode = bridgeStatus?.data?.mode || null
const freshnessIssues = Object.entries({
...(bridgeStatus?.data?.sampling?.issues || {}),
...(stats?.sampling?.issues || {}),
})
const latestTransactionAgeLabel = activityContext.latest_transaction_timestamp
? formatRelativeAge(activityContext.latest_transaction_timestamp)
: 'Unknown'
const latestTransactionFreshness =
activityContext.latest_transaction_age_seconds == null
? 'Latest transaction freshness is unavailable.'
: activityContext.latest_transaction_age_seconds <= 15 * 60
? 'Recent visible transactions are close to the chain head.'
: activityContext.latest_transaction_age_seconds <= 3 * 60 * 60
? 'The chain head is current, but visible transactions are older than the current tip.'
: 'The chain head is current, but visible transactions are substantially older than the current tip.'
const severityBreakdown = {
down: relaySummary?.items.filter((item) => item.status === 'down').length || 0,
degraded: relaySummary?.items.filter((item) => item.status === 'degraded').length || 0,
warning:
relaySummary?.items.filter((item) => ['paused', 'starting', 'unknown', 'snapshot-error'].includes(item.status)).length || 0,
}
const avgBlockTimeSummary = formatObservabilityValue(
averageBlockTimeSeconds,
(value) => `${value}s`,
)
const avgGasPriceSummary = formatObservabilityValue(
averageGasPriceGwei,
formatGasPriceGwei,
)
const transactionsTodaySummary = formatObservabilityValue(
transactionsToday,
(value) => value.toLocaleString(),
)
const networkUtilizationSummary =
networkUtilization == null
? { value: 'Unknown', note: 'Utilization is not reported by the current public stats payload.' }
: networkUtilization === 0
? { value: '0%', note: 'No utilization was reported in the latest visible stats sample.' }
: { value: `${networkUtilization}%`, note: 'Current public stats payload.' }
const missionCollapsedSummary = relaySummary
? `${missionHeadline} · ${relayOperationalCount} operational`
: `${missionHeadline}${chainStatus?.status ? ` · chain 138 ${chainStatus.status}` : ''}`
const primaryMetricCards = [
{
label: 'Latest Block',
value: latestBlock != null ? latestBlock.toLocaleString() : 'Unavailable',
note: activityContext.latest_block_timestamp
? compactStatNote(
`Head freshness ${formatRelativeAge(activityContext.latest_block_timestamp)}${blockCompleteness ? ` · ${blockCompleteness}` : ''}`,
formatRelativeAge(activityContext.latest_block_timestamp),
mode,
)
: compactStatNote('Head freshness unavailable.', 'Unavailable', mode),
},
{
label: 'Total Blocks',
value: stats ? stats.total_blocks.toLocaleString() : 'Unavailable',
note: compactStatNote('Visible public explorer block count.', 'Explorer block count', mode),
},
{
label: 'Total Transactions',
value: stats ? stats.total_transactions.toLocaleString() : 'Unavailable',
note: compactStatNote('Visible indexed explorer transaction count.', 'Indexed tx count', mode),
},
{
label: 'Total Addresses',
value: stats ? stats.total_addresses.toLocaleString() : 'Unavailable',
note: compactStatNote('Current public explorer address count.', 'Address count', mode),
},
]
const secondaryMetricCards = [
{
label: 'Avg Block Time',
value: avgBlockTimeSummary.value,
note: compactStatNote(avgBlockTimeSummary.note, averageBlockTimeSeconds != null ? 'Reported' : 'Unavailable', mode),
},
{
label: 'Avg Gas Price',
value: avgGasPriceSummary.value,
note: compactStatNote(avgGasPriceSummary.note, averageGasPriceGwei != null ? 'Reported' : 'Unavailable', mode),
},
{
label: 'Transactions Today',
value: transactionsTodaySummary.value,
note: compactStatNote(transactionsTodaySummary.note, transactionsToday != null ? 'Reported' : 'Unavailable', mode),
},
{
label: 'Network Utilization',
value: networkUtilizationSummary.value,
note: compactStatNote(networkUtilizationSummary.note, networkUtilization != null ? 'Latest stats sample' : 'Unavailable', mode),
},
]
const activityMetricCards = [
{
label: 'Latest Transaction',
value: activityContext.latest_transaction_block_number != null ? `#${activityContext.latest_transaction_block_number}` : 'Unknown',
note: latestTransactionAgeLabel,
detail: `Latest visible transaction freshness${txCompleteness ? ` · ${txCompleteness}` : ''}.`,
},
{
label: 'Last Non-Empty Block',
value: activityContext.last_non_empty_block_number != null ? `#${activityContext.last_non_empty_block_number}` : 'Unknown',
note: formatRelativeAge(activityContext.last_non_empty_block_timestamp),
detail:
activityContext.latest_transaction_block_number != null &&
activityContext.last_non_empty_block_number != null &&
activityContext.latest_transaction_block_number === activityContext.last_non_empty_block_number
? 'Matches the latest visible transaction block.'
: 'Most recent block with at least one indexed transaction.',
},
{
label: 'Block Gap',
value:
activityContext.block_gap_to_latest_transaction != null
? activityContext.block_gap_to_latest_transaction.toLocaleString()
: 'Unknown',
note:
activityContext.block_gap_to_latest_transaction != null
? `${activityContext.block_gap_to_latest_transaction.toLocaleString()} blocks behind tip`
: 'Gap unavailable',
detail: 'Difference between the current tip and the latest visible transaction block.',
},
]
useEffect(() => {
setRelayPage(1)
}, [relaySummary?.items.length])
useEffect(() => {
if (relayPage > relayPageCount) {
setRelayPage(relayPageCount)
}
}, [relayPage, relayPageCount])
return (
<main className="container mx-auto px-4 py-6 sm:py-8">
{(relaySummary || bridgeStatus) && (
<Card
className={`border shadow-sm ${relayToneClasses} ${missionExpanded ? 'mb-6' : 'mb-4 !p-2 sm:!p-2'}`}
>
<div className={missionExpanded ? 'flex flex-col gap-5' : 'flex'}>
<button
type="button"
onClick={() => setMissionExpanded((current) => !current)}
aria-expanded={missionExpanded}
className={`flex w-full items-center justify-between text-left shadow-sm backdrop-blur transition hover:bg-white/70 dark:border-white/10 dark:bg-black/10 dark:hover:bg-black/20 ${
missionExpanded
? 'gap-3 rounded-xl border border-white/40 bg-white/55 px-4 py-2.5'
: 'gap-2 rounded-lg border border-white/35 bg-white/50 px-3 py-2'
}`}
>
<div className={`min-w-0 opacity-90 ${missionExpanded ? 'text-sm leading-6 sm:text-base' : 'text-sm leading-5'}`}>
<span className="font-semibold uppercase tracking-[0.22em] opacity-75">Mission Control</span>
<span className={missionExpanded ? 'mx-2 opacity-40' : 'mx-1.5 opacity-40'}></span>
<span>{missionCollapsedSummary}</span>
</div>
<div
className={`shrink-0 font-semibold opacity-80 ${mode === 'guided' ? 'text-sm' : 'text-lg leading-none'}`}
aria-label={missionExpanded ? 'Hide details' : 'Show details'}
title={missionExpanded ? 'Hide details' : 'Show details'}
>
{mode === 'guided' ? (missionExpanded ? 'Hide details' : 'Show details') : (missionExpanded ? '\u2303' : '\u2304')}
</div>
</button>
{missionExpanded ? (
<>
<div className="flex flex-col gap-4 lg:flex-row lg:items-start lg:justify-between">
<div className="max-w-3xl">
<div className="mt-2 text-xl font-semibold sm:text-2xl">{missionHeadline}</div>
<p className="mt-2 text-sm leading-6 opacity-90 sm:text-base">
{missionDescription}.
{mode === 'guided'
? ' This surface summarizes the public chain and relay posture in a compact operator-friendly format.'
: ' Public chain and relay posture.'}
</p>
<p className="mt-2 text-sm leading-6 opacity-90 sm:text-base">
{missionImpact}
</p>
<Explain>
<p className="mt-2 text-sm leading-6 opacity-90 sm:text-base">
{latestTransactionFreshness}
</p>
</Explain>
<div className="mt-4 flex flex-wrap gap-2">
<EntityBadge
label={relayFeedState === 'live' ? 'live sse' : relayFeedState === 'fallback' ? 'snapshot' : 'connecting'}
tone={relayFeedState === 'fallback' ? 'warning' : relayFeedState === 'connecting' ? 'info' : 'success'}
/>
{relaySummary ? (
<EntityBadge
label={relaySummary.tone === 'danger' ? 'attention needed' : relaySummary.tone === 'warning' ? 'degraded' : 'operational'}
tone={relaySummary.tone === 'danger' ? 'warning' : relaySummary.tone === 'warning' ? 'info' : 'success'}
/>
) : null}
{chainStatus?.status ? (
<EntityBadge
label={`chain 138 ${chainStatus.status}`}
tone={chainStatus.status === 'operational' ? 'success' : 'warning'}
/>
) : null}
<EntityBadge label={`${relayOperationalCount} operational`} tone="success" />
{severityBreakdown.down > 0 ? <EntityBadge label={`${severityBreakdown.down} down`} tone="warning" /> : null}
{severityBreakdown.degraded > 0 ? <EntityBadge label={`${severityBreakdown.degraded} degraded`} tone="info" /> : null}
{severityBreakdown.warning > 0 ? <EntityBadge label={`${severityBreakdown.warning} warning`} tone="warning" /> : null}
</div>
</div>
<div className="grid min-w-[220px] gap-3 sm:grid-cols-2 lg:w-[290px] lg:grid-cols-1">
<div className="rounded-2xl border border-white/40 bg-white/50 p-4 shadow-sm backdrop-blur dark:border-white/10 dark:bg-black/10">
<div className="text-xs font-semibold uppercase tracking-wide opacity-70">Live Feed</div>
<div className="mt-2 text-lg font-semibold">
{missionMode?.kind === 'live'
? 'Streaming'
: missionMode?.kind === 'snapshot' || relayFeedState === 'fallback'
? 'Snapshot mode'
: 'Connecting'}
</div>
<div className="mt-1 text-sm opacity-80">
{`${statsGeneratedAt ? `Snapshot updated ${formatRelativeAge(statsGeneratedAt)}.` : `Snapshot updated ${snapshotAgeLabel}.`} ${
missionMode?.reason ? missionMode.reason.replaceAll('_', ' ') : snapshotReason
}`}
</div>
<div className="mt-2 text-xs opacity-75">
{snapshotScope}
</div>
{freshnessIssues.length > 0 ? (
<div className="mt-2 text-xs opacity-75">
Freshness diagnostics: {freshnessIssues.map(([key]) => key.replaceAll('_', ' ')).join(', ')}.
</div>
) : null}
</div>
<div className="flex flex-col gap-2">
<Link
href="/bridge"
className="inline-flex items-center justify-center rounded-xl bg-gray-900 px-4 py-2.5 text-sm font-semibold text-white hover:bg-black dark:bg-white dark:text-gray-900 dark:hover:bg-gray-100"
>
Open bridge monitoring
</Link>
<Link
href="/operations"
className="inline-flex items-center justify-center rounded-xl border border-current/20 px-4 py-2.5 text-sm font-semibold hover:bg-white/40 dark:hover:bg-black/10"
>
Open operations hub
</Link>
</div>
</div>
</div>
{chainStatus ? (
<div className="grid gap-3 md:grid-cols-3">
<div className="rounded-2xl border border-white/40 bg-white/55 p-4 shadow-sm backdrop-blur dark:border-white/10 dark:bg-black/10">
<div className="text-xs font-semibold uppercase tracking-wide opacity-70">Chain 138 Status</div>
<div className="mt-2 text-lg font-semibold">{chainStatus.status || 'unknown'}</div>
<div className="mt-1 text-sm opacity-80">{chainStatus.name || 'Defi Oracle Meta Mainnet'}</div>
</div>
<div className="rounded-2xl border border-white/40 bg-white/55 p-4 shadow-sm backdrop-blur dark:border-white/10 dark:bg-black/10">
<div className="text-xs font-semibold uppercase tracking-wide opacity-70">Head Age</div>
<div className="mt-2 text-lg font-semibold">
{chainStatus.head_age_sec != null ? `${Math.round(chainStatus.head_age_sec)}s` : 'Unknown'}
</div>
<div className="mt-1 text-sm opacity-80">Latest public RPC head freshness.</div>
<div className="mt-2 text-xs opacity-75">Chain visibility is currently {chainVisibilityState}.</div>
</div>
<div className="rounded-2xl border border-white/40 bg-white/55 p-4 shadow-sm backdrop-blur dark:border-white/10 dark:bg-black/10">
<div className="text-xs font-semibold uppercase tracking-wide opacity-70">RPC Latency</div>
<div className="mt-2 text-lg font-semibold">
{chainStatus.latency_ms != null ? `${Math.round(chainStatus.latency_ms)}ms` : 'Unknown'}
</div>
<div className="mt-1 text-sm opacity-80">Public Chain 138 RPC probe latency.</div>
</div>
</div>
) : null}
{relaySummary?.items.length ? (
<div className="space-y-3">
<button
type="button"
onClick={() => setRelayExpanded((current) => !current)}
aria-expanded={relayExpanded}
className="flex w-full items-center justify-between gap-4 rounded-2xl border border-white/40 bg-white/55 p-4 text-left shadow-sm backdrop-blur transition hover:bg-white/70 dark:border-white/10 dark:bg-black/10 dark:hover:bg-black/20"
>
<div>
<div className="text-sm font-semibold">Relay lane status</div>
<p className="mt-1 text-sm leading-6 opacity-90">
{relaySummary.text}. {relaySummary.items.length} configured lanes.
</p>
</div>
<div className="shrink-0 text-sm font-semibold opacity-80">
{relayExpanded ? 'Hide lanes' : 'Show lanes'}
</div>
</button>
{relayExpanded ? (
<>
<div className="grid gap-3 md:grid-cols-2 xl:grid-cols-2">
{relayVisibleItems.map((item) => (
<div
key={item.key}
className="rounded-2xl border border-white/40 bg-white/55 p-4 shadow-sm backdrop-blur dark:border-white/10 dark:bg-black/10"
>
<div className="flex items-start justify-between gap-3">
<div>
<div className="text-sm font-semibold">{item.label}</div>
<div className="mt-1 text-xs uppercase tracking-wide opacity-70">{item.status}</div>
</div>
<EntityBadge label={resolveRelaySeverityLabel(item.status, item.tone)} tone={resolveRelayBadgeTone(item.status, item.tone)} />
</div>
<p className="mt-3 text-sm leading-6 opacity-90">{item.text}</p>
<p className="mt-2 text-xs opacity-75">
{getLaneImpactNote(item.key, resolveRelaySeverityLabel(item.status, item.tone))}
</p>
</div>
))}
</div>
{relayPageCount > 1 ? (
<div className="flex items-center justify-between gap-3 rounded-2xl border border-white/40 bg-white/40 px-4 py-3 text-sm shadow-sm backdrop-blur dark:border-white/10 dark:bg-black/10">
<button
type="button"
onClick={() => setRelayPage((current) => Math.max(1, current - 1))}
disabled={relayPage === 1}
className="rounded-lg border border-current/20 px-3 py-2 font-semibold disabled:cursor-not-allowed disabled:opacity-40"
>
Previous
</button>
<div className="text-center opacity-80">
Page {relayPage} of {relayPageCount}
</div>
<button
type="button"
onClick={() => setRelayPage((current) => Math.min(relayPageCount, current + 1))}
disabled={relayPage === relayPageCount}
className="rounded-lg border border-current/20 px-3 py-2 font-semibold disabled:cursor-not-allowed disabled:opacity-40"
>
Next
</button>
</div>
) : null}
</>
) : null}
</div>
) : (
<div className="rounded-2xl border border-white/40 bg-white/55 p-4 text-sm opacity-90 shadow-sm backdrop-blur dark:border-white/10 dark:bg-black/10">
The current mission-control snapshot does not include per-lane relay inventory. Chain health is still shown above, and the bridge monitoring page remains the canonical operator view.
</div>
)}
{relaySummary ? (
<div className="flex flex-wrap gap-2 text-sm opacity-80">
{severityBreakdown.down > 0 ? <EntityBadge label={`${severityBreakdown.down} down`} tone="warning" /> : null}
{severityBreakdown.degraded > 0 ? <EntityBadge label={`${severityBreakdown.degraded} degraded`} tone="info" /> : null}
{severityBreakdown.warning > 0 ? <EntityBadge label={`${severityBreakdown.warning} warning`} tone="warning" /> : null}
</div>
) : null}
</>
) : null}
</div>
</Card>
)}
{stats && (
<div className="mb-8 space-y-4">
<div className="grid grid-cols-1 gap-3 sm:gap-4 md:grid-cols-4">
{primaryMetricCards.map((card) => (
<Card key={card.label}>
<div className="text-sm text-gray-600 dark:text-gray-400">{card.label}</div>
<div className="text-xl font-bold sm:text-2xl">{card.value}</div>
<div className="mt-2 text-xs text-gray-500 dark:text-gray-400">{card.note}</div>
</Card>
))}
</div>
<div className="grid grid-cols-1 gap-3 sm:gap-4 md:grid-cols-3">
{activityMetricCards.map((card) => (
<Card key={card.label}>
<div className="text-sm text-gray-600 dark:text-gray-400">{card.label}</div>
<div className="text-xl font-bold sm:text-2xl">{card.value}</div>
<div className="mt-2 text-sm text-gray-700 dark:text-gray-300">{card.note}</div>
<div className="mt-2 text-xs text-gray-500 dark:text-gray-400">{card.detail}</div>
</Card>
))}
</div>
{mode === 'guided' ? (
<div className="grid grid-cols-1 gap-3 sm:gap-4 md:grid-cols-4">
{secondaryMetricCards.map((card) => (
<Card key={card.label}>
<div className="text-sm text-gray-600 dark:text-gray-400">{card.label}</div>
<div className="text-xl font-bold sm:text-2xl">{card.value}</div>
<div className="mt-2 text-xs text-gray-500 dark:text-gray-400">{card.note}</div>
</Card>
))}
</div>
) : (
<Card>
<div className="flex flex-col gap-3 lg:flex-row lg:items-start lg:justify-between">
<div>
<div className="text-sm font-semibold text-gray-900 dark:text-white">Telemetry Snapshot</div>
<div className="mt-1 text-xs text-gray-500 dark:text-gray-400">
Secondary public stats in a denser expert layout.
</div>
</div>
<div className="grid flex-1 gap-3 sm:grid-cols-2 xl:grid-cols-4">
{secondaryMetricCards.map((card) => (
<div key={card.label} className="rounded-2xl border border-gray-200 bg-gray-50/70 px-4 py-3 dark:border-gray-800 dark:bg-gray-900/40">
<div className="text-xs font-semibold uppercase tracking-wide text-gray-500 dark:text-gray-400">{card.label}</div>
<div className="mt-1 text-lg font-semibold text-gray-900 dark:text-white">{card.value}</div>
<div className="mt-1 text-xs text-gray-500 dark:text-gray-400">{card.note}</div>
</div>
))}
</div>
</div>
</Card>
)}
</div>
)}
{featuredPrices.length > 0 ? (
<div className="mb-8">
<Card title="Live Price Feed">
<div className="grid gap-3 sm:grid-cols-2 xl:grid-cols-4">
{featuredPrices.map((token) => (
<Link
key={token.address}
href={`/tokens/${token.address}`}
className="rounded-2xl border border-gray-200 bg-gray-50/70 px-4 py-3 transition hover:border-primary-400 hover:shadow-sm dark:border-gray-800 dark:bg-gray-900/40"
>
<div className="text-xs font-semibold uppercase tracking-wide text-gray-500 dark:text-gray-400">
{token.symbol || token.name || 'Token'}
</div>
<div className="mt-1 text-lg font-semibold text-gray-900 dark:text-white">
{formatUsd(token.market?.priceUsd)}
</div>
<div className="mt-1 text-sm text-gray-600 dark:text-gray-400">
Visible liquidity: {formatUsd(token.market?.liquidityUsd)}
</div>
<div className="mt-1 text-xs text-gray-500 dark:text-gray-400">
{token.market?.lastUpdated ? `Updated ${formatRelativeAge(token.market.lastUpdated)}` : 'Update time unavailable'}
</div>
</Link>
))}
</div>
</Card>
</div>
) : null}
<div className="mb-8">
<ActivityContextPanel
context={activityContext}
title="Freshness Interpretation"
compact
/>
<FreshnessTrustNote
className="mt-3"
context={activityContext}
stats={stats}
bridgeStatus={bridgeStatus}
scopeLabel={
mode === 'guided'
? 'Homepage status combines chain freshness, transaction visibility, and mission-control posture.'
: 'Homepage freshness view aligns chain, transaction, and mission-control posture.'
}
/>
</div>
{!stats && (
<Card className="mb-8">
<p className="text-sm text-gray-600 dark:text-gray-400">
Live network stats are temporarily unavailable. Recent blocks and explorer tools are still available below.
</p>
</Card>
)}
<Card title="Recent Blocks">
{recentBlocks.length === 0 ? (
<p className="text-sm text-gray-600 dark:text-gray-400">
Recent blocks are unavailable right now.
</p>
) : (
<div className="space-y-2">
{shouldExplainEmptyHeadBlocks(recentBlocks, activityContext) ? (
<p className="rounded-xl border border-amber-200 bg-amber-50/70 px-3 py-2 text-sm text-amber-900 dark:border-amber-900/40 dark:bg-amber-950/20 dark:text-amber-100">
Recent head blocks are currently empty; use the latest transaction block for recent visible activity.
</p>
) : null}
{recentBlocks.map((block) => (
<div key={block.number} className="flex flex-col gap-1.5 border-b border-gray-200 py-2 last:border-0 dark:border-gray-700 sm:flex-row sm:items-center sm:justify-between">
<div>
<Link href={`/blocks/${block.number}`} className="text-primary-600 hover:underline">
Block #{block.number}
</Link>
<div className="mt-1 text-xs text-gray-500 dark:text-gray-400">
Mined by{' '}
<Link href={`/addresses/${block.miner}`} className="text-primary-600 hover:underline">
{block.miner.slice(0, 10)}...{block.miner.slice(-6)}
</Link>
</div>
</div>
<div className="text-sm text-gray-600 dark:text-gray-400 sm:text-right">
<div>{block.transaction_count} transactions</div>
<div className="text-xs">{formatTimestamp(block.timestamp)}</div>
</div>
</div>
))}
</div>
)}
<div className="mt-4">
<Link href="/blocks" className="text-primary-600 hover:underline">
View all blocks
</Link>
</div>
</Card>
<div className="mt-8 grid grid-cols-1 gap-4 lg:grid-cols-2">
<Card title="Activity Pulse">
<p className="text-sm leading-6 text-gray-600 dark:text-gray-400">
{mode === 'guided'
? 'A concise public view of chain activity, index coverage, and recent execution patterns.'
: 'Public chain activity and index posture.'}
</p>
<div className="mt-4 grid gap-3 sm:grid-cols-2">
<div className="rounded-2xl border border-gray-200 bg-gray-50 p-4 dark:border-gray-700 dark:bg-gray-900/40">
<div className="text-xs font-semibold uppercase tracking-wide text-gray-500 dark:text-gray-400">Latest Daily Volume</div>
<div className="mt-2 text-xl font-semibold text-gray-900 dark:text-white">
{latestTrendPoint ? latestTrendPoint.transaction_count.toLocaleString() : 'Unknown'}
</div>
<div className="mt-1 text-sm text-gray-600 dark:text-gray-400">{latestTrendPoint?.date || 'Trend feed unavailable'}</div>
</div>
<div className="rounded-2xl border border-gray-200 bg-gray-50 p-4 dark:border-gray-700 dark:bg-gray-900/40">
<div className="text-xs font-semibold uppercase tracking-wide text-gray-500 dark:text-gray-400">Recent Success Rate</div>
<div className="mt-2 text-xl font-semibold text-gray-900 dark:text-white">
{activitySnapshot ? `${Math.round(activitySnapshot.success_rate * 100)}%` : 'Unknown'}
</div>
<div className="mt-1 text-sm text-gray-600 dark:text-gray-400">
{activitySnapshot ? `${activitySnapshot.sample_size} sampled transactions` : 'Recent activity snapshot unavailable'}
</div>
</div>
<div className="rounded-2xl border border-gray-200 bg-gray-50 p-4 dark:border-gray-700 dark:bg-gray-900/40">
<div className="text-xs font-semibold uppercase tracking-wide text-gray-500 dark:text-gray-400">Avg Recent Fee</div>
<div className="mt-2 text-xl font-semibold text-gray-900 dark:text-white">
{activitySnapshot ? formatWeiAsEth(Math.round(activitySnapshot.average_fee_wei).toString(), 6) : 'Unknown'}
</div>
<div className="mt-1 text-sm text-gray-600 dark:text-gray-400">Average fee from the recent public sample.</div>
</div>
<div className="rounded-2xl border border-gray-200 bg-gray-50 p-4 dark:border-gray-700 dark:bg-gray-900/40">
<div className="text-xs font-semibold uppercase tracking-wide text-gray-500 dark:text-gray-400">Peak Charted Day</div>
<div className="mt-2 text-xl font-semibold text-gray-900 dark:text-white">
{peakTrendPoint ? peakTrendPoint.transaction_count.toLocaleString() : 'Unknown'}
</div>
<div className="mt-1 text-sm text-gray-600 dark:text-gray-400">{peakTrendPoint?.date || 'No trend data yet'}</div>
</div>
</div>
<div className="mt-4">
<Link href="/analytics" className="text-primary-600 hover:underline">
Open full analytics
</Link>
</div>
</Card>
<Card title="Explorer Shortcuts">
<p className="text-sm leading-6 text-gray-600 dark:text-gray-400">
Go directly to the explorer surfaces that provide the strongest operational and discovery context.
</p>
<div className="mt-4 flex flex-wrap gap-3 text-sm">
<Link href="/search" className="text-primary-600 hover:underline">
Search
</Link>
<Link href="/transactions" className="text-primary-600 hover:underline">
Transactions
</Link>
<Link href="/tokens" className="text-primary-600 hover:underline">
Tokens
</Link>
<Link href="/addresses" className="text-primary-600 hover:underline">
Addresses
</Link>
<Link href="/analytics" className="text-primary-600 hover:underline">
Analytics
</Link>
</div>
</Card>
<Card title="Liquidity & Routes">
<p className="text-sm leading-6 text-gray-600 dark:text-gray-400">
Explore the public Chain 138 DODO PMM liquidity mesh, the canonical route matrix, and the
partner payload endpoints exposed through the explorer.
</p>
<div className="mt-4">
<Link href="/routes" className="text-primary-600 hover:underline">
Open routes and liquidity
</Link>
</div>
</Card>
<Card title="Wallet & Token Discovery">
<p className="text-sm leading-6 text-gray-600 dark:text-gray-400">
Add Chain 138, Ethereum Mainnet, and ALL Mainnet to MetaMask, then use the explorer token
list URL so supported tokens appear automatically.
</p>
<div className="mt-4">
<Link href="/wallet" className="text-primary-600 hover:underline">
Open wallet tools
</Link>
</div>
</Card>
<Card title="Bridge & Relay Monitoring">
<p className="text-sm leading-6 text-gray-600 dark:text-gray-400">
Open the public bridge monitoring surface for relay status, mission-control links, bridge trace tooling,
and the visual command center entry points.
</p>
<div className="mt-4">
<Link href="/bridge" className="text-primary-600 hover:underline">
Open bridge monitoring
</Link>
</div>
</Card>
<Card title="Operations Hub">
<p className="text-sm leading-6 text-gray-600 dark:text-gray-400">
Open the public operations surface for wrapped-asset references, analytics shortcuts, operator links,
system topology views, and other Chain 138 support tools.
</p>
<div className="mt-4">
<Link href="/operations" className="text-primary-600 hover:underline">
Open operations hub
</Link>
</div>
</Card>
</div>
</main>
)
}