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utils.go
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utils.go
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package utils
import (
"bytes"
"io/ioutil"
"os"
"os/exec"
sdk "github.com/cosmos/cosmos-sdk/types"
types "github.com/forbole/njuno/types"
"github.com/forbole/njuno/types/config"
"github.com/rs/zerolog/log"
"gopkg.in/yaml.v2"
)
// GetLatestValidatorsList queries the latest validators list, stores it inside yaml file,
// and returns an array of validators
func GetLatestValidatorsList() *types.ValidatorsList {
validatorsCmd := exec.Command("sh", "-c", "~/.njuno/validators_query.sh")
cmdOutput := &bytes.Buffer{}
validatorsCmd.Stdout = cmdOutput
validatorsCmd.Stderr = os.Stderr
if err := validatorsCmd.Run(); err != nil {
return nil
}
// Get the validators list
validatorsList := &types.ValidatorsList{}
yamlFile, err := ioutil.ReadFile(config.Cfg.Parser.ValidatorsListFilePath)
if err != nil {
log.Printf("error while reading validators list yaml file: %s ", err)
}
err = yaml.Unmarshal(yamlFile, validatorsList)
if err != nil {
log.Printf("error while unmarshaling validators list yaml file: %s ", err)
}
return validatorsList
}
// ParseValidatorsList parses the validators list and returns arrays of validators,
// validators description, validators commission and validators status
func ParseValidatorsList(validatorsList *types.ValidatorsList, height int64) ([]types.Validator, []types.ValidatorCommission, []types.ValidatorDescription, []types.ValidatorStatus, []types.ValidatorVotingPower) {
var validators []types.Validator
var validatorsCommission []types.ValidatorCommission
var validatorsDescription []types.ValidatorDescription
var validatorsStatus []types.ValidatorStatus
var validatorsVP []types.ValidatorVotingPower
for _, val := range validatorsList.Validators {
consAddr := sdk.ConsAddress(val.Validator.Address)
validators = append(validators, types.NewValidator(consAddr.String(), val.Validator.Address, height))
validatorsCommission = append(validatorsCommission, types.NewValidatorCommission(consAddr.String(), val.Validator.Address, val.Validator.Commission, val.Validator.MinSelfDelegation, height))
validatorsDescription = append(validatorsDescription, types.NewValidatorDescription(consAddr.String(), val.Validator.Address, val.Validator.Details, val.Validator.Identity, val.Validator.Moniker, height))
validatorsStatus = append(validatorsStatus, types.NewValidatorStatus(consAddr.String(), val.Validator.Address, val.Validator.InActiveSet, val.Validator.Jailed, val.Validator.Tombstoned, height))
validatorsVP = append(validatorsVP, types.NewValidatorVotingPower(consAddr.String(), val.Validator.Address, val.Validator.VotingPower, height))
}
return validators, validatorsCommission, validatorsDescription, validatorsStatus, validatorsVP
}