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fix(scan): show real block cadence in the block time stat #105

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github-actions merged 1 commit into from
Jun 25, 2026
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fix(scan): show real block cadence in the block time stat #105

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13 changes: 10 additions & 3 deletions apps/scan/app/[locale]/HomeContent.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -125,9 +125,16 @@ export function HomeContent({ initial }: { initial: HomeBundle }) {
const { data: chainStatus } = useChainStatus(network, initial.status);

const latestPerf = performance?.points?.[performance.points.length - 1];
const blockTime = latestPerf?.block_time_sec
? `${latestPerf.block_time_sec.toFixed(1)}s`
: (blocks ? computeBlockTime(blocks.map((b) => b.timestamp as unknown as number | string)) : CHAIN_TARGET_BLOCK_TIME);
// Show the actual recent block cadence from the latest blocks. The
// chain-performance bucket average is windowed (range-dependent) and gets
// inflated by past stalls: it read ~1.8s on a 1h bucket while testnet was
// genuinely producing ~0.5s blocks. Fall back to the perf value, then the
// target, only when we don't have enough blocks to measure.
const blockTime = blocks && blocks.length >= 2
? computeBlockTime(blocks.map((b) => b.timestamp as unknown as number | string))
: latestPerf?.block_time_sec
? `${latestPerf.block_time_sec.toFixed(1)}s`
: CHAIN_TARGET_BLOCK_TIME;
const totalTxValue = stats?.total_transactions != null
? formatNumber(stats.total_transactions)
: estimateTotalTransactions(stats?.total_blocks, blocks);
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