Fix some bugs

data/threadbuilder/invalidsnapshotexample.yml

@@ -120,3 +120,4 @@ graph:
 maybeHeads:
   - A.1.3
   - B.1.2
+

data/threadbuilder/keychain.go

@@ -26,9 +26,11 @@ type Keychain struct {
 func NewKeychain() *Keychain {
 	return &Keychain{
 		SigningKeys:           map[string]threadmodels.SigningPrivKey{},
+		SigningKeysByIdentity: map[string]threadmodels.SigningPrivKey{},
 		EncryptionKeys:        map[string]threadmodels.EncryptionPrivKey{},
 		GeneratedIdentities:   map[string]string{},
 		ReadKeys:              map[string]*SymKey{},
+		ReadKeysByHash:        map[uint64]*SymKey{},
 		coder:                 threadmodels.NewEd25519Decoder(),
 	}
 }

data/threadbuilder/threadbuildergraph_nix.go

@@ -9,6 +9,8 @@ package threadbuilder
 
 import (
 	"fmt"
+	"github.com/anytypeio/go-anytype-infrastructure-experiments/data/pb"
+	"github.com/gogo/protobuf/proto"
 	"strings"
 	"unicode"
 
@@ -42,7 +44,13 @@ func (t *ThreadBuilder) Graph() (string, error) {
 
 		var chSymbs []string
 		if r.changesDataDecrypted != nil {
-			for _, chc := range r.changesDataDecrypted.Content {
+			res := &pb.PlainTextChangeData{}
+			err := proto.Unmarshal(r.changesDataDecrypted, res)
+			if err != nil {
+				return err
+			}
+
+			for _, chc := range res.Content {
 				tp := fmt.Sprintf("%T", chc.Value)
 				tp = strings.Replace(tp, "ChangeContentValueOf", "", 1)
 				res := ""

data/treebuilder.go

@@ -44,7 +44,7 @@ func (tb *TreeBuilder) Init() {
 }
 
 func (tb *TreeBuilder) Build(fromStart bool) (*Tree, error) {
-	heads := tb.thread.Heads()
+	heads := tb.thread.MaybeHeads()
 
 	if fromStart {
 		if err := tb.buildTreeFromStart(heads); err != nil {