tewtutin_21.ts

// ...
@Post('remittance-with-transaction')  
@ApiResponse({  
  type: RemittanceResultDto,  
})  
async makeRemittanceWithTransaction(@Body() remittanceDto: RemittanceDto) {  
  return await this.connection.transaction(transactionManager => {  
    return this.appService.withTransaction(transactionManager)/* <-- this is interesting new thing*/.makeRemittance(remittanceDto.userIdFrom, remittanceDto.userIdTo, remittanceDto.sum, remittanceDto.withError);  
  });  
}
// ...