old-backend/services/contract/contract_service.go

package contract

import (
	"fmt"

	"github.com/jinzhu/gorm"
	"gitlab.com/pactual1/backend/services/blockchain"
	"gitlab.com/pactual1/backend/shared"
)

type service struct {
	ch               chan string
	db               *gorm.DB
	encryptionClient shared.EncryptionClient
	blockchainClient blockchain.Service
}

func NewService(ch chan string, db *gorm.DB, encryptionClient shared.EncryptionClient, blockchainClient blockchain.Service) service {
	return service{
		ch:               ch,
		db:               db,
		encryptionClient: encryptionClient,
		blockchainClient: blockchainClient,
	}
}

func (s service) ContractService() {
	for msg := range s.ch {
		fmt.Println("Contract Service: ", msg)
	}
}