update(identity-wallet): added error for creation with same seed

src/identity/identity-wallet.ts

@@ -38,6 +38,7 @@ import { pushHashesToRHS, TreesModel } from '../credentials/rhs';
 import { TreeState } from '../circuits';
 import { byteEncoder } from '../utils';
 import { Options, Path, getDocumentLoader } from '@iden3/js-jsonld-merklization';
+import { sha256js } from 'cross-sha256';
 
 /**
  * DID creation options
@@ -268,7 +269,7 @@ export class IdentityWallet implements IIdentityWallet {
   async createIdentity(
     opts: IdentityCreationOptions
   ): Promise<{ did: DID; credential: W3CCredential }> {
-    const tmpIdentifier = uuid.v4();
+    const tmpIdentifier = opts.seed ? uuid.v5(new sha256js().update(opts.seed).digest('hex'), uuid.NIL) : uuid.v4();
 
     opts.method = opts.method ?? DidMethod.Iden3;
     opts.blockchain = opts.blockchain ?? Blockchain.Polygon;

src/storage/indexed-db/merkletree.ts

@@ -55,7 +55,7 @@ export class MerkleTreeIndexedDBStorage implements IMerkleTreeStorage {
     };
     const meta = await get(identifier, this._merkleTreeMetaStore);
     if (meta) {
-      return meta;
+      throw new Error(`Present merkle tree meta information in the store for current identifier ${identifier}`);
     }
     const treesMeta = createMetaInfo();
     await set(identifier, treesMeta, this._merkleTreeMetaStore);
@@ -128,7 +128,6 @@ export class MerkleTreeIndexedDBStorage implements IMerkleTreeStorage {
 
     const treesMeta = meta.map((m) => ({ ...m, identifier: newIdentifier }));
 
-    await set(newIdentifier, treesMeta, this._merkleTreeMetaStore);
-    await del(oldIdentifier, this._merkleTreeMetaStore);
+    await set(oldIdentifier, treesMeta, this._merkleTreeMetaStore);
   }
 }

src/storage/local-storage/merkletree.ts

@@ -48,6 +48,10 @@ export class MerkleTreeLocalStorage implements IMerkleTreeStorage {
     const meta = localStorage.getItem(MerkleTreeLocalStorage.storageKeyMeta);
     if (meta) {
       const metaInfo: IdentityMerkleTreeMetaInformation[] = JSON.parse(meta);
+      const presentMetaForIdentifier = metaInfo.find((m) => m.treeId === `${identifier}+${m.type}`);
+      if(presentMetaForIdentifier) {
+        throw new Error(`Present merkle tree meta information in the store for current identifier ${identifier}`);
+      }
       const identityMetaInfo = metaInfo.filter((m) => m.identifier === identifier);
       if (identityMetaInfo.length > 0) {
         return identityMetaInfo;
@@ -57,6 +61,8 @@ export class MerkleTreeLocalStorage implements IMerkleTreeStorage {
         MerkleTreeLocalStorage.storageKeyMeta,
         JSON.stringify([...metaInfo, ...treesMeta])
       );
+
+      return [...metaInfo, ...treesMeta];
     }
     const treesMeta = createMetaInfo();
     localStorage.setItem(MerkleTreeLocalStorage.storageKeyMeta, JSON.stringify(treesMeta));

src/storage/memory/merkletree.ts

@@ -52,6 +52,9 @@ export class InMemoryMerkleTreeStorage implements IMerkleTreeStorage {
     if (!identifier) {
       identifier = `${uuid.v4()}`;
     }
+    if(this._data[identifier]) {
+      throw new Error(`Present merkle tree meta information in the store for current identifier ${identifier}`);
+    }
     this._data[identifier] = [];
 
     const treesMeta: IdentityMerkleTreeMetaInformation[] = [];