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params.go
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params.go
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package init
import (
"errors"
"github.com/0xPolygon/polygon-edge/command"
"github.com/0xPolygon/polygon-edge/secrets"
"github.com/0xPolygon/polygon-edge/secrets/helper"
)
const (
dataDirFlag = "data-dir"
configFlag = "config"
ecdsaFlag = "ecdsa"
blsFlag = "bls"
networkFlag = "network"
numFlag = "num"
insecureLocalStoreFlag = "insecure"
)
var (
errInvalidConfig = errors.New("invalid secrets configuration")
errInvalidParams = errors.New("no config file or data directory passed in")
errUnsupportedType = errors.New("unsupported secrets manager")
errSecureLocalStoreNotImplemented = errors.New(
"use a secrets backend, or supply an --insecure flag " +
"to store the private keys locally on the filesystem, " +
"avoid doing so in production")
)
type initParams struct {
dataDir string
configPath string
generatesECDSA bool
generatesBLS bool
generatesNetwork bool
insecureLocalStore bool
secretsManager secrets.SecretsManager
secretsConfig *secrets.SecretsManagerConfig
}
func (ip *initParams) validateFlags() error {
if ip.dataDir == "" && ip.configPath == "" {
return errInvalidParams
}
return nil
}
func (ip *initParams) initSecrets() error {
if err := ip.initSecretsManager(); err != nil {
return err
}
if err := ip.initValidatorKey(); err != nil {
return err
}
return ip.initNetworkingKey()
}
func (ip *initParams) initSecretsManager() error {
var err error
if ip.hasConfigPath() {
if err = ip.parseConfig(); err != nil {
return err
}
ip.secretsManager, err = helper.InitCloudSecretsManager(ip.secretsConfig)
return err
}
return ip.initLocalSecretsManager()
}
func (ip *initParams) hasConfigPath() bool {
return ip.configPath != ""
}
func (ip *initParams) parseConfig() error {
secretsConfig, readErr := secrets.ReadConfig(ip.configPath)
if readErr != nil {
return errInvalidConfig
}
if !secrets.SupportedServiceManager(secretsConfig.Type) {
return errUnsupportedType
}
ip.secretsConfig = secretsConfig
return nil
}
func (ip *initParams) initLocalSecretsManager() error {
if !ip.insecureLocalStore {
//Storing secrets on a local file system should only be allowed with --insecure flag,
//to raise awareness that it should be only used in development/testing environments.
//Production setups should use one of the supported secrets managers
return errSecureLocalStoreNotImplemented
}
// setup local secrets manager
local, err := helper.SetupLocalSecretsManager(ip.dataDir)
if err != nil {
return err
}
ip.secretsManager = local
return nil
}
func (ip *initParams) initValidatorKey() error {
var err error
if ip.generatesECDSA {
if _, err = helper.InitECDSAValidatorKey(ip.secretsManager); err != nil {
return err
}
}
if ip.generatesBLS {
if _, err = helper.InitBLSValidatorKey(ip.secretsManager); err != nil {
return err
}
}
return nil
}
func (ip *initParams) initNetworkingKey() error {
if ip.generatesNetwork {
if _, err := helper.InitNetworkingPrivateKey(ip.secretsManager); err != nil {
return err
}
}
return nil
}
// getResult gets keys from secret manager and return result to display
func (ip *initParams) getResult() (command.CommandResult, error) {
var (
res = &SecretsInitResult{}
err error
)
if res.Address, err = helper.LoadValidatorAddress(ip.secretsManager); err != nil {
return nil, err
}
if res.BLSPubkey, err = helper.LoadBLSPublicKey(ip.secretsManager); err != nil {
return nil, err
}
if res.NodeID, err = helper.LoadNodeID(ip.secretsManager); err != nil {
return nil, err
}
res.Insecure = ip.insecureLocalStore
return res, nil
}