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;
 }

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

@@ -0,0 +1,24 @@
+import { Column, Entity, JoinColumn, OneToOne, PrimaryGeneratedColumn } from 'typeorm';
+import { ColumnNumericTransformer } from '../../../utils/ColumnNumericTransformer';
+import { Invoice } from './Invoice';
+
+@Entity('invoice_btc_details')
+export class InvoiceBtcDetails {
+    @PrimaryGeneratedColumn('uuid')
+    id: string;
+
+    @OneToOne(() => Invoice, invoice => invoice.btcDetails, { onDelete: 'CASCADE' })
+    @JoinColumn()
+    invoice: Invoice;
+
+    @Column({
+        type: 'numeric',
+        precision: 12,
+        scale: 2,
+        transformer: new ColumnNumericTransformer()
+    })
+    fiatPerBtcAtCreation: number;
+
+    @Column({ type: 'int' })
+    requiredConfirmations: number;
+}