add btc details invoice relation

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;
+}