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feat(transak): pre-fill fiat amount and currency in widget 

Pass fiatAmount, defaultFiatAmount, fiatCurrency, and defaultFiatCurrency
to the Transak widget URL so users see the transaction total immediately
without manual entry. Applied to both rcart payment sessions and rflows
onramp adapter.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
Jeff Emmett 2026-03-12 12:12:31 -07:00
parent 1abb29d18f
commit ba5ce34620
2 changed files with 22 additions and 2 deletions
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16
modules/rcart/mod.ts
View File

@ -1370,7 +1370,7 @@ routes.post("/api/payments/:id/transak-session", async (c) => {
const host = new URL(c.req.url).hostname;
const widgetUrl = createTransakWidgetUrl({
const widgetParams: Record<string, string> = {
apiKey: transakApiKey,
referrerDomain: extractRootDomain(host),
cryptoCurrencyCode: p.token,
@ -1383,7 +1383,19 @@ routes.post("/api/payments/:id/transak-session", async (c) => {
email,
themeColor: '6366f1',
hideMenu: 'true',
});
};
// Pre-fill fiat amount/currency so user sees the total immediately
if (p.fiatAmount) {
widgetParams.fiatAmount = p.fiatAmount;
widgetParams.defaultFiatAmount = p.fiatAmount;
}
if (p.fiatCurrency) {
widgetParams.fiatCurrency = p.fiatCurrency;
widgetParams.defaultFiatCurrency = p.fiatCurrency;
}
const widgetUrl = createTransakWidgetUrl(widgetParams);
return c.json({ widgetUrl });
});

8
modules/rflows/lib/transak-onramp.ts
View File

@ -30,6 +30,14 @@ export class TransakOnrampAdapter implements OnrampProvider {
themeColor: '6366f1',
hideMenu: 'true',
};
if (req.fiatAmount > 0) {
widgetParams.fiatAmount = String(req.fiatAmount);
widgetParams.defaultFiatAmount = String(req.fiatAmount);
}
if (req.fiatCurrency) {
widgetParams.fiatCurrency = req.fiatCurrency;
widgetParams.defaultFiatCurrency = req.fiatCurrency;
}
if (req.returnUrl) widgetParams.redirectURL = req.returnUrl;
const widgetUrl = createTransakWidgetUrl(widgetParams);