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Improve portfolio chart with historical price-based data points

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Chart now plots weekly data points from first purchase to today using
candle/history price data, giving an accurate view of portfolio value
over time rather than just at purchase dates.

Backend seeds up to 365 days of daily close prices from CoinGecko as
synthetic OHLC candles, refreshing stale entries older than 31 days.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
Jonathan
2026-04-06 19:30:48 +02:00
parent ce227e47d6
commit 5cf3726f59
3 changed files with 112 additions and 24 deletions
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btc-portfolio/frontend/src/pages/Dashboard.js
+1 -1
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@@ -135,7 +135,7 @@ export default function Dashboard() {
>{label}</button>
))}
</div>
{(chartView === 'both' || chartView === 'portfolio') && <PortfolioChart purchases={purchases} stats={stats} />}
{(chartView === 'both' || chartView === 'portfolio') && <PortfolioChart purchases={purchases} stats={stats} btcHistory={candles?.candles ?? []} />}
{(chartView === 'both' || chartView === 'history') && (
<BTCCandlestickChart
candles={activeCandles?.candles ?? null}