stub.go

/**
 * stub.go
 *
 * COPYRIGHT: FUNDACIÓN TECNALIA RESEARCH & INNOVATION, 2022.
 */

package stats

import (
	"encoding/json"
	"fmt"

	"git.code.tecnalia.com/blockchain/hypercog/model"
	"git.code.tecnalia.com/ledgerbuilder/sdk/core/util/logging"
	"git.code.tecnalia.com/ledgerbuilder/sdk/shared"
)

const GLOBAL_KEY = "global"
const ORG_LIST_KEY = "org_list"

type OrgList []string

var log = logging.NewGoLogger("stats")

func getStats(stub shared.LedgerBuildrStubInterface, key string) (st *model.RawStats, err error) {
	value, err := stub.GetState(key)
	if err != nil || len(value) == 0 {
		st = new(model.RawStats)
	} else {
		err = json.Unmarshal(value, &st)
		if err != nil  {
			return nil, err
		}
	}

	return st, nil
}

func putStats(stub shared.LedgerBuildrStubInterface, key string, stats *model.RawStats) (error) {
	serialized, err := json.Marshal(stats)
	if err != nil {
		return err
	}

	err = stub.PutState(key, serialized)
	if err != nil {
		return err
	}

	return nil
}

func getOrgList(stub shared.LedgerBuildrStubInterface) (st *OrgList, err error) {
	value, err := stub.GetState(ORG_LIST_KEY)
	if err != nil || len(value) == 0 {
		st = new(OrgList)
	} else {
		err = json.Unmarshal(value, &st)
		if err != nil  {
			return nil, err
		}
	}

	return st, nil
}

func resetStats(stub shared.LedgerBuildrStubInterface) (error) {
	err := stub.DelState(GLOBAL_KEY)
	if err != nil {
		return err