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fix: use branding colors in charts #51

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fix: use branding colors in charts #51

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4 changes: 2 additions & 2 deletions frontend/src/context/BrandingContext.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -17,7 +17,7 @@ function readCache(): BrandingConfig | null {

function applyConfigState(cfg: BrandingConfig, setBranding: (v: typeof brandingDefaults) => void, setConfig: (v: BrandingConfig) => void) {
setConfig(cfg);
setBranding({ chainName: cfg.chain_name, logoUrl: cfg.logo_url || null, loaded: true });
setBranding({ chainName: cfg.chain_name, logoUrl: cfg.logo_url || null, accentHex: cfg.accent_color || null, loaded: true });
document.title = `${cfg.chain_name} - Block Explorer`;
if (cfg.logo_url) {
const link = document.querySelector<HTMLLinkElement>("link[rel='icon']");
Expand All @@ -29,7 +29,7 @@ export function BrandingProvider({ children }: { children: ReactNode }) {
const [branding, setBranding] = useState(() => {
const cached = readCache();
return cached
? { chainName: cached.chain_name, logoUrl: cached.logo_url || null, loaded: true }
? { chainName: cached.chain_name, logoUrl: cached.logo_url || null, accentHex: cached.accent_color || null, loaded: true }
: brandingDefaults;
});
const [config, setConfig] = useState<BrandingConfig | null>(readCache);
Expand Down
2 changes: 2 additions & 0 deletions frontend/src/context/branding-context.ts
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Expand Up @@ -3,12 +3,14 @@ import { createContext } from 'react';
export interface BrandingContextValue {
chainName: string;
logoUrl: string | null;
accentHex: string | null;
loaded: boolean;
}

export const brandingDefaults: BrandingContextValue = {
chainName: 'Unknown',
logoUrl: null,
accentHex: null,
loaded: false,
};

Expand Down
24 changes: 24 additions & 0 deletions frontend/src/hooks/useChartColors.ts
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@@ -0,0 +1,24 @@
import { useContext, useMemo } from 'react';
import { BrandingContext } from '../context/branding-context';
import { ThemeContext } from '../context/theme-context';

const DEFAULT_ACCENT = '#dc2626';

function cssVar(name: string): string {
return `rgb(${getComputedStyle(document.documentElement).getPropertyValue(name).trim()})`;
}

export function useChartColors() {
const { accentHex } = useContext(BrandingContext);
const themeCtx = useContext(ThemeContext);
const theme = themeCtx?.theme ?? 'dark';

return useMemo(() => ({
accent: accentHex ?? DEFAULT_ACCENT,
grid: cssVar('--color-surface-600'),
axisText: cssVar('--color-text-subtle'),
tooltipBg: cssVar('--color-surface-800'),
tooltipText: cssVar('--color-text-primary'),
// eslint-disable-next-line react-hooks/exhaustive-deps
}), [accentHex, theme]);
}
17 changes: 7 additions & 10 deletions frontend/src/pages/StatusPage.tsx
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Expand Up @@ -17,12 +17,7 @@ import { formatNumber } from '../utils';
import Loading from '../components/Loading';
import { BlockStatsContext } from '../context/BlockStatsContext';
import { useChartData } from '../hooks/useChartData';

// ─── theme constants for recharts (matches CSS vars) ──────────────────────────
const CHART_ACCENT = '#dc2626';
const CHART_GRID = '#22222e';
const CHART_AXIS_TEXT = '#94a3b8';
const CHART_TOOLTIP_BG = '#0c0c10';
import { useChartColors } from '../hooks/useChartColors';

const WINDOWS: { label: string; value: ChartWindow }[] = [
{ label: '1H', value: '1h' },
Expand All @@ -45,6 +40,8 @@ export default function StatusPage() {
dailyTxsError, blocksChartError, gasPriceError,
} = useChartData(window);

const { accent: CHART_ACCENT, grid: CHART_GRID, axisText: CHART_AXIS_TEXT, tooltipBg: CHART_TOOLTIP_BG, tooltipText: CHART_TOOLTIP_TEXT } = useChartColors();

useEffect(() => {
let mounted = true;
const fetchStatus = async () => {
Expand Down Expand Up @@ -137,7 +134,7 @@ export default function StatusPage() {
<Tooltip
contentStyle={{ background: CHART_TOOLTIP_BG, border: `1px solid ${CHART_GRID}`, borderRadius: 8 }}
labelStyle={{ color: CHART_AXIS_TEXT }}
itemStyle={{ color: '#f8fafc' }}
itemStyle={{ color: CHART_TOOLTIP_TEXT }}
formatter={(v: unknown) => [formatCompact(v as number), 'Transactions']}
/>
<Bar dataKey="tx_count" fill={CHART_ACCENT} radius={[2, 2, 0, 0]} isAnimationActive={false} />
Expand Down Expand Up @@ -170,7 +167,7 @@ export default function StatusPage() {
<Tooltip
contentStyle={{ background: CHART_TOOLTIP_BG, border: `1px solid ${CHART_GRID}`, borderRadius: 8 }}
labelStyle={{ color: CHART_AXIS_TEXT }}
itemStyle={{ color: '#f8fafc' }}
itemStyle={{ color: CHART_TOOLTIP_TEXT }}
formatter={(v: unknown) => [formatCompact(v as number), 'Avg Gas Used']}
labelFormatter={(v) => formatBucketTooltip(v, window)}
/>
Expand Down Expand Up @@ -206,7 +203,7 @@ export default function StatusPage() {
<Tooltip
contentStyle={{ background: CHART_TOOLTIP_BG, border: `1px solid ${CHART_GRID}`, borderRadius: 8 }}
labelStyle={{ color: CHART_AXIS_TEXT }}
itemStyle={{ color: '#f8fafc' }}
itemStyle={{ color: CHART_TOOLTIP_TEXT }}
formatter={(v: unknown) => [formatCompact(v as number), 'Transactions']}
labelFormatter={(v) => formatBucketTooltip(v, window)}
/>
Expand Down Expand Up @@ -234,7 +231,7 @@ export default function StatusPage() {
<Tooltip
contentStyle={{ background: CHART_TOOLTIP_BG, border: `1px solid ${CHART_GRID}`, borderRadius: 8 }}
labelStyle={{ color: CHART_AXIS_TEXT }}
itemStyle={{ color: '#f8fafc' }}
itemStyle={{ color: CHART_TOOLTIP_TEXT }}
formatter={(v: unknown) => [formatGwei(v as number), 'Avg Gas Price']}
labelFormatter={(v) => formatBucketTooltip(v, window)}
/>
Expand Down
11 changes: 4 additions & 7 deletions frontend/src/pages/TokenDetailPage.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -6,16 +6,12 @@ import {
} from 'recharts';
import { useToken, useTokenHolders, useTokenTransfers } from '../hooks';
import { useTokenChart } from '../hooks/useTokenChart';
import { useChartColors } from '../hooks/useChartColors';
import { Pagination, AddressLink, TxHashLink, CopyButton } from '../components';
import Loading from '../components/Loading';
import { formatNumber, formatTokenAmount, formatPercentage, formatTimeAgo, truncateHash } from '../utils';
import { type ChartWindow } from '../api/chartData';

const CHART_ACCENT = '#dc2626';
const CHART_GRID = '#22222e';
const CHART_AXIS_TEXT = '#94a3b8';
const CHART_TOOLTIP_BG = '#0c0c10';

const WINDOWS: { label: string; value: ChartWindow }[] = [
{ label: '1H', value: '1h' },
{ label: '6H', value: '6h' },
Expand Down Expand Up @@ -101,6 +97,7 @@ export default function TokenDetailPage() {
const { holders, pagination: holdersPagination } = useTokenHolders(address, { page: holdersPage, limit: 20 });
const { transfers, pagination: transfersPagination } = useTokenTransfers(address, { page: transfersPage, limit: 20 });
const { data: chartData, loading: chartLoading } = useTokenChart(address, chartWindow);
const { accent: CHART_ACCENT, grid: CHART_GRID, axisText: CHART_AXIS_TEXT, tooltipBg: CHART_TOOLTIP_BG, tooltipText: CHART_TOOLTIP_TEXT } = useChartColors();

const tabs: { id: TabType; label: string; count?: number }[] = [
{ id: 'holders', label: 'Holders', count: holdersPagination?.total },
Expand Down Expand Up @@ -195,7 +192,7 @@ export default function TokenDetailPage() {
<Tooltip
contentStyle={{ background: CHART_TOOLTIP_BG, border: `1px solid ${CHART_GRID}`, borderRadius: 8 }}
labelStyle={{ color: CHART_AXIS_TEXT }}
itemStyle={{ color: '#f8fafc' }}
itemStyle={{ color: CHART_TOOLTIP_TEXT }}
formatter={(v: unknown) => [formatCompact(v as number), 'Transfers']}
labelFormatter={(v) => formatBucketTooltip(v, chartWindow)}
/>
Expand Down Expand Up @@ -224,7 +221,7 @@ export default function TokenDetailPage() {
<Tooltip
contentStyle={{ background: CHART_TOOLTIP_BG, border: `1px solid ${CHART_GRID}`, borderRadius: 8 }}
labelStyle={{ color: CHART_AXIS_TEXT }}
itemStyle={{ color: '#f8fafc' }}
itemStyle={{ color: CHART_TOOLTIP_TEXT }}
formatter={(v: unknown) => [formatCompact(v as number), `Volume (${token?.symbol || 'tokens'})`]}
labelFormatter={(v) => formatBucketTooltip(v, chartWindow)}
/>
Expand Down
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