add btc details invoice relation

cms/src/types/payment/Invoice.ts

@@ -1,3 +1,4 @@
+import type { InvoiceBtcDetails } from './InvoiceBtcDetails';
 import type { InvoiceMoneroDetails } from './InvoiceMoneroDetails';
 import type { InvoicePayment } from './InvoicePayment';
 import type { InvoiceReason } from './InvoiceReason';
@@ -14,5 +15,6 @@ export type Invoice = {
     expectedTotalAtomic: string;
     createdAt: string;
     moneroDetails?: InvoiceMoneroDetails | null;
+    btcDetails?: InvoiceBtcDetails | null;
     payments?: InvoicePayment[];
 };

cms/src/types/payment/InvoiceBtcDetails.ts

@@ -0,0 +1,5 @@
+export type InvoiceBtcDetails = {
+    id: string;
+    fiatPerBtcAtCreation: number;
+    requiredConfirmations: number;
+};

cms/src/types/payment/PaymentMethod.ts

@@ -1,7 +1,9 @@
 export enum PaymentMethod {
-    Xmr = 'xmr'
+    Xmr = 'xmr',
+    Btc = 'btc'
 }
 
 export const paymentMethodCryptoCurrency: Record<PaymentMethod, string> = {
-    [PaymentMethod.Xmr]: 'XMR'
+    [PaymentMethod.Xmr]: 'XMR',
+    [PaymentMethod.Btc]: 'BTC'
 };