ipld-eth-server/vendor/github.com/ipfs/go-ipfs/keystore/memkeystore.go

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2019-04-11 18:19:10 +00:00
package keystore
import ci "gx/ipfs/QmTW4SdgBWq9GjsBsHeUx8WuGxzhgzAf88UMH2w62PC8yK/go-libp2p-crypto"
// MemKeystore is an in memory keystore implementation that is not persisted to
// any backing storage.
type MemKeystore struct {
keys map[string]ci.PrivKey
}
func NewMemKeystore() *MemKeystore {
return &MemKeystore{make(map[string]ci.PrivKey)}
}
// Has return whether or not a key exist in the Keystore
func (mk *MemKeystore) Has(name string) (bool, error) {
_, ok := mk.keys[name]
return ok, nil
}
// Put store a key in the Keystore
func (mk *MemKeystore) Put(name string, k ci.PrivKey) error {
if err := validateName(name); err != nil {
return err
}
_, ok := mk.keys[name]
if ok {
return ErrKeyExists
}
mk.keys[name] = k
return nil
}
// Get retrieve a key from the Keystore
func (mk *MemKeystore) Get(name string) (ci.PrivKey, error) {
if err := validateName(name); err != nil {
return nil, err
}
k, ok := mk.keys[name]
if !ok {
return nil, ErrNoSuchKey
}
return k, nil
}
// Delete remove a key from the Keystore
func (mk *MemKeystore) Delete(name string) error {
if err := validateName(name); err != nil {
return err
}
delete(mk.keys, name)
return nil
}
// List return a list of key identifier
func (mk *MemKeystore) List() ([]string, error) {
out := make([]string, 0, len(mk.keys))
for k := range mk.keys {
out = append(out, k)
}
return out, nil
}