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cosmos.go
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cosmos.go
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package keystore
import (
"fmt"
"github.com/pkg/errors"
"github.com/smartcontractkit/chainlink/v2/core/services/keystore/keys/cosmoskey"
)
//go:generate mockery --quiet --name Cosmos --output ./mocks/ --case=underscore --filename cosmos.go
type Cosmos interface {
Get(id string) (cosmoskey.Key, error)
GetAll() ([]cosmoskey.Key, error)
Create() (cosmoskey.Key, error)
Add(key cosmoskey.Key) error
Delete(id string) (cosmoskey.Key, error)
Import(keyJSON []byte, password string) (cosmoskey.Key, error)
Export(id string, password string) ([]byte, error)
EnsureKey() error
}
type cosmos struct {
*keyManager
}
var _ Cosmos = &cosmos{}
func newCosmosKeyStore(km *keyManager) *cosmos {
return &cosmos{
km,
}
}
func (ks *cosmos) Get(id string) (cosmoskey.Key, error) {
ks.lock.RLock()
defer ks.lock.RUnlock()
if ks.isLocked() {
return cosmoskey.Key{}, ErrLocked
}
return ks.getByID(id)
}
func (ks *cosmos) GetAll() (keys []cosmoskey.Key, _ error) {
ks.lock.RLock()
defer ks.lock.RUnlock()
if ks.isLocked() {
return nil, ErrLocked
}
for _, key := range ks.keyRing.Cosmos {
keys = append(keys, key)
}
return keys, nil
}
func (ks *cosmos) Create() (cosmoskey.Key, error) {
ks.lock.Lock()
defer ks.lock.Unlock()
if ks.isLocked() {
return cosmoskey.Key{}, ErrLocked
}
key := cosmoskey.New()
return key, ks.safeAddKey(key)
}
func (ks *cosmos) Add(key cosmoskey.Key) error {
ks.lock.Lock()
defer ks.lock.Unlock()
if ks.isLocked() {
return ErrLocked
}
if _, found := ks.keyRing.Cosmos[key.ID()]; found {
return fmt.Errorf("key with ID %s already exists", key.ID())
}
return ks.safeAddKey(key)
}
func (ks *cosmos) Delete(id string) (cosmoskey.Key, error) {
ks.lock.Lock()
defer ks.lock.Unlock()
if ks.isLocked() {
return cosmoskey.Key{}, ErrLocked
}
key, err := ks.getByID(id)
if err != nil {
return cosmoskey.Key{}, err
}
err = ks.safeRemoveKey(key)
return key, err
}
func (ks *cosmos) Import(keyJSON []byte, password string) (cosmoskey.Key, error) {
ks.lock.Lock()
defer ks.lock.Unlock()
if ks.isLocked() {
return cosmoskey.Key{}, ErrLocked
}
key, err := cosmoskey.FromEncryptedJSON(keyJSON, password)
if err != nil {
return cosmoskey.Key{}, errors.Wrap(err, "CosmosKeyStore#ImportKey failed to decrypt key")
}
if _, found := ks.keyRing.Cosmos[key.ID()]; found {
return cosmoskey.Key{}, fmt.Errorf("key with ID %s already exists", key.ID())
}
return key, ks.keyManager.safeAddKey(key)
}
func (ks *cosmos) Export(id string, password string) ([]byte, error) {
ks.lock.RLock()
defer ks.lock.RUnlock()
if ks.isLocked() {
return nil, ErrLocked
}
key, err := ks.getByID(id)
if err != nil {
return nil, err
}
return key.ToEncryptedJSON(password, ks.scryptParams)
}
func (ks *cosmos) EnsureKey() error {
ks.lock.Lock()
defer ks.lock.Unlock()
if ks.isLocked() {
return ErrLocked
}
if len(ks.keyRing.Cosmos) > 0 {
return nil
}
key := cosmoskey.New()
ks.logger.Infof("Created Cosmos key with ID %s", key.ID())
return ks.safeAddKey(key)
}
func (ks *cosmos) getByID(id string) (cosmoskey.Key, error) {
key, found := ks.keyRing.Cosmos[id]
if !found {
return cosmoskey.Key{}, KeyNotFoundError{ID: id, KeyType: "Cosmos"}
}
return key, nil
}