race condition fixed, payment inside

app/api/payments/currencies/route.ts

@@ -0,0 +1,43 @@
+import { NextResponse } from 'next/server'
+import { getNowPaymentsConfig } from '@/lib/nowpayments'
+
+// GET /api/payments/currencies - Get available payment currencies from NOWPayments
+export async function GET() {
+  try {
+    const nowPaymentsConfig = getNowPaymentsConfig()
+
+    // Fetch available currencies from NOWPayments
+    const response = await fetch(
+      `${nowPaymentsConfig.baseUrl}/v1/currencies?fixed_rate=true`,
+      {
+        method: 'GET',
+        headers: {
+          'x-api-key': nowPaymentsConfig.apiKey,
+        },
+      }
+    )
+
+    if (!response.ok) {
+      const error = await response.json()
+      console.error('NOWPayments currencies error:', error)
+      return NextResponse.json(
+        { error: 'Failed to fetch available currencies', details: error },
+        { status: 500 }
+      )
+    }
+
+    const data = await response.json()
+
+    // Return the currencies array
+    return NextResponse.json({
+      currencies: data.currencies || [],
+    })
+  } catch (error) {
+    console.error('Error fetching currencies:', error)
+    return NextResponse.json(
+      { error: 'Failed to fetch currencies' },
+      { status: 500 }
+    )
+  }
+}
+