Add decoders

commonspace/object/acl/list/aclstate.go

@@ -209,7 +209,7 @@ func (st *AclState) applyChangeData(record *AclRecord) (err error) {
 		// only Admins can do non-user join changes
 		if !st.HasPermission(record.Identity, aclrecordproto.AclUserPermissions_Admin) {
 			// TODO: add string encoding
-			err = fmt.Errorf("user %s must have admin permissions", record.Identity.String())
+			err = fmt.Errorf("user %s must have admin permissions", record.Identity.Account())
 			return
 		}
 	}

util/crypto/decode.go

@@ -2,6 +2,8 @@ package crypto
 
 import (
 	"encoding/base64"
+	"github.com/anytypeio/any-sync/util/strkey"
+	"github.com/libp2p/go-libp2p/core/peer"
 )
 
 func EncodeKeyToString[T Key](key T) (str string, err error) {
@@ -28,3 +30,28 @@ func DecodeKeyFromString[T Key](str string, construct func([]byte) (T, error), d
 func DecodeBytesFromString(str string) (bytes []byte, err error) {
 	return base64.StdEncoding.DecodeString(str)
 }
+
+func DecodeAccountAddress(address string) (PubKey, error) {
+	pubKeyRaw, err := strkey.Decode(strkey.AccountAddressVersionByte, address)
+	if err != nil {
+		return nil, err
+	}
+	return UnmarshalEd25519PublicKey(pubKeyRaw)
+}
+
+func DecodePeerId(peerId string) (PubKey, error) {
+	decoded, err := peer.Decode(peerId)
+	if err != nil {
+		return nil, err
+	}
+
+	pk, err := decoded.ExtractPublicKey()
+	if err != nil {
+		return nil, err
+	}
+	raw, err := pk.Raw()
+	if err != nil {
+		return nil, err
+	}
+	return UnmarshalEd25519PublicKey(raw)
+}

util/crypto/ed25519.go

@@ -132,7 +132,7 @@ func (k *Ed25519PrivKey) LibP2P() (crypto.PrivKey, error) {
 }
 
 // String returns string representation of key
-func (k *Ed25519PubKey) String() string {
+func (k *Ed25519PubKey) Account() string {
 	res, _ := strkey.Encode(strkey.AccountAddressVersionByte, k.pubKey)
 	return res
 }

util/crypto/key.go

@@ -43,8 +43,8 @@ type PubKey interface {
 	Marshall() ([]byte, error)
 	// Storage returns underlying key storage
 	Storage() []byte
-	// String returns string representation
+	// Account returns string representation
-	String() string
+	Account() string
 	// LibP2P returns libp2p model
 	LibP2P() (crypto.PubKey, error)
 }