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ocr2.go
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ocr2.go
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package keystore
import (
"context"
"fmt"
"github.com/pkg/errors"
"github.com/smartcontractkit/chainlink/v2/core/services/keystore/chaintype"
"github.com/smartcontractkit/chainlink/v2/core/services/keystore/keys/ocr2key"
)
//go:generate mockery --quiet --name OCR2 --output mocks/ --case=underscore
type OCR2 interface {
Get(id string) (ocr2key.KeyBundle, error)
GetAll() ([]ocr2key.KeyBundle, error)
GetAllOfType(chaintype.ChainType) ([]ocr2key.KeyBundle, error)
Create(context.Context, chaintype.ChainType) (ocr2key.KeyBundle, error)
Add(ctx context.Context, key ocr2key.KeyBundle) error
Delete(ctx context.Context, id string) error
Import(ctx context.Context, keyJSON []byte, password string) (ocr2key.KeyBundle, error)
Export(id string, password string) ([]byte, error)
EnsureKeys(ctx context.Context, enabledChains ...chaintype.ChainType) error
}
type ocr2 struct {
*keyManager
}
var _ OCR2 = ocr2{}
func newOCR2KeyStore(km *keyManager) ocr2 {
return ocr2{
km,
}
}
func (ks ocr2) Get(id string) (ocr2key.KeyBundle, error) {
ks.lock.RLock()
defer ks.lock.RUnlock()
if ks.isLocked() {
return nil, ErrLocked
}
return ks.getByID(id)
}
func (ks ocr2) GetAll() ([]ocr2key.KeyBundle, error) {
keys := []ocr2key.KeyBundle{}
ks.lock.RLock()
defer ks.lock.RUnlock()
if ks.isLocked() {
return keys, ErrLocked
}
for _, key := range ks.keyRing.OCR2 {
keys = append(keys, key)
}
return keys, nil
}
func (ks ocr2) GetAllOfType(chainType chaintype.ChainType) ([]ocr2key.KeyBundle, error) {
keys := []ocr2key.KeyBundle{}
ks.lock.RLock()
defer ks.lock.RUnlock()
if ks.isLocked() {
return keys, ErrLocked
}
return ks.getAllOfType(chainType)
}
func (ks ocr2) Create(ctx context.Context, chainType chaintype.ChainType) (ocr2key.KeyBundle, error) {
ks.lock.Lock()
defer ks.lock.Unlock()
if ks.isLocked() {
return nil, ErrLocked
}
return ks.create(ctx, chainType)
}
func (ks ocr2) Add(ctx context.Context, key ocr2key.KeyBundle) error {
ks.lock.Lock()
defer ks.lock.Unlock()
if ks.isLocked() {
return ErrLocked
}
if _, found := ks.keyRing.OCR2[key.ID()]; found {
return fmt.Errorf("key with ID %s already exists", key.ID())
}
return ks.safeAddKey(ctx, key)
}
func (ks ocr2) Delete(ctx context.Context, id string) error {
ks.lock.Lock()
defer ks.lock.Unlock()
if ks.isLocked() {
return ErrLocked
}
key, err := ks.getByID(id)
if err != nil {
return err
}
err = ks.safeRemoveKey(ctx, key)
return err
}
func (ks ocr2) Import(ctx context.Context, keyJSON []byte, password string) (ocr2key.KeyBundle, error) {
ks.lock.Lock()
defer ks.lock.Unlock()
if ks.isLocked() {
return nil, ErrLocked
}
key, err := ocr2key.FromEncryptedJSON(keyJSON, password)
if err != nil {
return nil, errors.Wrap(err, "OCRKeyStore#ImportKey failed to decrypt key")
}
if _, found := ks.keyRing.OCR[key.ID()]; found {
return nil, fmt.Errorf("key with ID %s already exists", key.ID())
}
return key, ks.keyManager.safeAddKey(ctx, key)
}
func (ks ocr2) 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 ocr2key.ToEncryptedJSON(key, password, ks.scryptParams)
}
func (ks ocr2) EnsureKeys(ctx context.Context, enabledChains ...chaintype.ChainType) error {
ks.lock.Lock()
defer ks.lock.Unlock()
if ks.isLocked() {
return ErrLocked
}
for _, chainType := range enabledChains {
keys, err := ks.getAllOfType(chainType)
if err != nil {
return err
}
if len(keys) > 0 {
continue
}
created, err := ks.create(ctx, chainType)
if err != nil {
return err
}
ks.logger.Infof("Created OCR2 key with ID %s for chain type %s", created.ID(), chainType)
}
return nil
}
func (ks ocr2) getByID(id string) (ocr2key.KeyBundle, error) {
key, found := ks.keyRing.OCR2[id]
if !found {
return nil, fmt.Errorf("unable to find OCR key with id %s", id)
}
return key, nil
}
func (ks ocr2) getAllOfType(chainType chaintype.ChainType) ([]ocr2key.KeyBundle, error) {
keys := []ocr2key.KeyBundle{}
for _, key := range ks.keyRing.OCR2 {
if key.ChainType() == chainType {
keys = append(keys, key)
}
}
return keys, nil
}
func (ks ocr2) create(ctx context.Context, chainType chaintype.ChainType) (ocr2key.KeyBundle, error) {
if !chaintype.IsSupportedChainType(chainType) {
return nil, chaintype.NewErrInvalidChainType(chainType)
}
key, err := ocr2key.New(chainType)
if err != nil {
return nil, err
}
return key, ks.safeAddKey(ctx, key)
}