Gxz-NGU

5. Run the todo list fabric server

1

Run the server: `node server.js` when I run this, I got a problem. ``` [root@localhost todo-list-fabric-server]# node server.js info: Loaded config file /usr/local/dockerImages/todo-list-fabricV1-master/todo-list-fabric-server/config/toodles_data.json info: Loaded creds file /usr/local/dockerImages/todo-list-fabricV1-master/todo-list-fabric-server/config/blockchain_creds.json module.js:597 return...

I got this problem Failed to load user "admin" from local key value store

1

When I run this command： > node test/integration/e2e/create-channel.js I got this Error Message： ``` info: [Client.js]: Failed to load user "admin" from local key value store info: [FabricCAClientImpl.js]: Successfully constructed...

`Block block1 = new Block(genesis.hash); addBlock(block1); Block block0 = new Block(block1.hash); addBlock(block0); Block block2 = new Block(block1.hash); addBlock(block2); Block block3 = new Block(block2.hash); isChainValid();` 第一个问题：验证有效性的时候，是不是应该在每个区块建立后就进行验证呢？ 第二个问题：当前BlockChain是以ArrayList[Block]的形式，当检验的时候，如上设置了分支的形式就会报错，是不是这个设计不太对，与当前的比特币的设计思路不一样，是不是应该将List换为tree呢？