Files
dark-lord/app/api/credits/claim/route.ts
2026-04-26 22:28:40 -07:00

91 lines
2.9 KiB
TypeScript

/**
* Client-triggered claim: user polls their invoice status and calls this
* when it shows "Settled". Server re-verifies with BTCPay before crediting.
*
* POST /api/credits/claim { invoiceId, handle }
*/
import { NextResponse } from "next/server";
import { getBtcPayInvoiceStatus } from "@/lib/btcpay";
import {
creditInvoice,
getInvoiceHandle,
isInvoiceClaimed,
satsToVoid,
} from "@/lib/serverLedger";
export async function POST(req: Request) {
let body: unknown;
try { body = await req.json(); } catch {
return NextResponse.json({ ok: false, error: "Invalid JSON" }, { status: 400 });
}
const { invoiceId, handle } = (body as Record<string, unknown>) ?? {};
if (typeof invoiceId !== "string" || !invoiceId.trim()) {
return NextResponse.json({ ok: false, error: "invoiceId is required" }, { status: 400 });
}
if (typeof handle !== "string" || !handle.trim()) {
return NextResponse.json({ ok: false, error: "handle is required" }, { status: 400 });
}
const cleanInvoice = invoiceId.trim();
const cleanHandle = handle.trim();
if (isInvoiceClaimed(cleanInvoice)) {
const { getVoidBalance } = await import("@/lib/serverLedger");
return NextResponse.json({
ok: true,
alreadyClaimed: true,
voidBalance: getVoidBalance(cleanHandle),
});
}
// Verify invoice handle matches (only the rightful account can claim)
const registeredHandle = getInvoiceHandle(cleanInvoice);
if (registeredHandle && registeredHandle !== cleanHandle.toLowerCase()) {
return NextResponse.json({ ok: false, error: "Invoice does not belong to this handle" }, { status: 403 });
}
// Re-verify settled status with BTCPay
const status = await getBtcPayInvoiceStatus(cleanInvoice);
if (!status.ok) {
return NextResponse.json({ ok: false, error: status.error }, { status: 502 });
}
if (status.status !== "Settled") {
return NextResponse.json({
ok: false,
error: `Invoice not settled yet (status: ${status.status})`,
status: status.status,
});
}
// Convert USD → VOID credits
let voidToCredit = 0;
try {
const priceRes = await fetch(
"https://api.coingecko.com/api/v3/simple/price?ids=bitcoin&vs_currencies=usd",
{ next: { revalidate: 60 } },
);
const priceJson = (await priceRes.json()) as { bitcoin?: { usd?: number } };
const btcUsd = priceJson.bitcoin?.usd ?? 0;
if (btcUsd > 0) {
const sats = Math.floor((status.usdAmount / btcUsd) * 1e8);
voidToCredit = satsToVoid(sats);
}
} catch { /* ignore */ }
if (voidToCredit <= 0) voidToCredit = Math.max(1, Math.floor(status.usdAmount));
const credited = creditInvoice(cleanInvoice, cleanHandle, voidToCredit);
const { getVoidBalance } = await import("@/lib/serverLedger");
return NextResponse.json({
ok: true,
credited,
voidCredited: voidToCredit,
voidBalance: getVoidBalance(cleanHandle),
usdAmount: status.usdAmount,
});
}