add btc details invoice relation

backend/src/modules/payment/entities/Invoice.ts

@@ -3,6 +3,7 @@ import { ColumnBigIntTransformer } from '../../../utils/ColumnBigIntTransformer'
 import { ColumnNumericTransformer } from '../../../utils/ColumnNumericTransformer';
 import { PaymentMethod } from '../types/PaymentMethod';
 import { InvoiceReason } from '../types/InvoiceReason';
+import { InvoiceBtcDetails } from './InvoiceBtcDetails';
 import { InvoiceMoneroDetails } from './InvoiceMoneroDetails';
 import { InvoicePayment } from './InvoicePayment';
 
@@ -43,6 +44,9 @@ export class Invoice {
     @OneToOne(() => InvoiceMoneroDetails, moneroDetails => moneroDetails.invoice, { cascade: true })
     moneroDetails: InvoiceMoneroDetails | null;
 
+    @OneToOne(() => InvoiceBtcDetails, btcDetails => btcDetails.invoice, { cascade: true })
+    btcDetails: InvoiceBtcDetails | null;
+
     @CreateDateColumn()
     createdAt: Date;
 }