fix: preserve context with cls-hooked

@worldsibu/convector-core-chaincode/src/chaincode.ts

@@ -6,6 +6,7 @@ import { Chaincode as CC, StubHelper, ChaincodeError } from '@theledger/fabric-c
 import {
   BaseStorage,
   getInvokables,
+  BaseStorageNamespace,
   ChaincodeInitializationError,
   ChaincodeInvokationError,
   ConfigurationInvalidError,
@@ -54,11 +55,15 @@ export class Chaincode extends CC {
    * it first calls this function
    */
   public async Invoke(stub: ChaincodeStub): Promise<ChaincodeResponse> {
-    BaseStorage.current = new StubStorage(stub);
-
     try {
-      await this.initControllers(new StubHelper(stub), [, 'true']);
-      const invokeRes = await super.Invoke(stub);
+      let invokeRes;
+
+      await BaseStorageNamespace.runAndReturn(async () => {
+        BaseStorage.current = new StubStorage(stub);
+        await this.initControllers(new StubHelper(stub), [, 'true']);
+        invokeRes = await super.Invoke(stub);
+      });
+
       if (invokeRes.status === 500) {
         const err = (invokeRes.message as any) instanceof Buffer ?
           invokeRes.message.toString() : JSON.stringify(invokeRes.message);

@worldsibu/convector-core-storage/package.json

@@ -40,7 +40,9 @@
     "docs:serve": "http-server docs"
   },
   "dependencies": {
+    "@types/cls-hooked": "^4.3.1",
     "@worldsibu/convector-core-errors": "^1.3.8",
+    "cls-hooked": "git+https://github.com/bringg/cls-hooked.git",
     "tslib": "^1.9.0",
     "window-or-global": "^1.0.1"
   },

@worldsibu/convector-core-storage/src/base-storage.ts

@@ -1,16 +1,23 @@
 /** @module @worldsibu/convector-core-storage */
 
-import * as g from 'window-or-global';
+import { createNamespace, Namespace } from 'cls-hooked';
+
+export const BaseStorageNamespace: Namespace = createNamespace('@worldsibu/convector-core-storage');
 
 export abstract class BaseStorage {
+  private static _currentStorage: BaseStorage;
   /**
    * Current storage implementation
    */
   public static get current(): BaseStorage {
-    return g.ConvectorBaseStorageCurrent;
+    return BaseStorageNamespace.active ? BaseStorageNamespace.get('current') : this._currentStorage;
   }
   public static set current(storage: BaseStorage) {
-    g.ConvectorBaseStorageCurrent = storage;
+    if (BaseStorageNamespace.active) {
+      BaseStorageNamespace.set('current', storage);
+    } else {
+      this._currentStorage = storage;
+    }
   }
 
   public async abstract get(id: string, storageOptions?: any): Promise<any>;

examples/token/tests/token.e2e.ts

@@ -33,27 +33,29 @@ describe('Token e2e', () => {
       txTimeout: 300000,
       user: 'admin',
       channel: 'ch1',
-      chaincode: 'token',
+      chaincode: 'token1',
       keyStore,
       networkProfile,
       userMspPath,
       // userMsp: 'org1MSP'
     });
     tokenCtrl = ClientFactory(TokenController, adapter);
 
-    (adapter as ClientHelper).cleanUp();
-
     BaseStorage.current = new CouchDBStorage({
       host: 'localhost',
       protocol: 'http',
       port: '5084'
-    }, 'ch1_token');
+    }, 'ch1_token1');
 
     await adapter.init();
 
     certificate = await tokenCtrl.whoAmI();
   });
 
+  after(() => {
+    (adapter as ClientHelper).close();
+  });
+
   it('should initialize the token', async () => {
     await tokenCtrl.init(new Token({
       id: tokenId,
@@ -112,4 +114,25 @@ describe('Token e2e', () => {
 
     expect(response.txId).to.exist;
   });
+
+  it('should preserve the context in parallel invokes', async () => {
+    await Array(10).fill('').reduce(async (result, _, n) => {
+      await result;
+      console.log(`Processing batch ${n+1}/10`);
+      await Promise.all(Array(10).fill('').map(async (_, m) => {
+        console.log(`Processing item ${m+1}/10`);
+        await tokenCtrl.init(new Token({
+          id: uuid(),
+          name: 'Token',
+          symbol: 'TKN',
+          totalSupply: totalSupply,
+          balances: { [certificate]: totalSupply },
+          complex: {
+            name: 'Test',
+            value: 5
+          }
+        }));
+      }));
+    });
+  });
 });