update

src/entity/trx_customer_accounts.ts

@@ -41,12 +41,13 @@ export class TrxCustomerAccount {
 	address: string;
 
 	@Column({
+		nullable: true,
 		type: "float8",
 	})
 	balance: number;
 
 	@Column({
-		nullable: false,
+		nullable: true,
 	})
 	balance_at: Date;