laizy

remove unnecessary allocation and clone

2

#### Description minor optimizations during code review. #### Checklist - [ ] I have run `cargo make pr-flow` - [ ] I have reviewed my own code - [ ]...

add send_stream method for Scope

2

#### Description Fixes #2405 #### Checklist - [ ] I have run `cargo make pr-flow` - [x] I have reviewed my own code - [ ] I have added tests

the current struct ```golang type CrossShardMsgInfo struct { FromShardID common.ShardID MsgHeight uint32 SignMsgHeight uint32 PreCrossShardMsgHash common.Uint256 CrossShardMsgRoot common.Uint256 ShardMsgHashs []*CrossShardMsgHash } type CrossShardMsgHash struct { ShardID common.ShardID MsgHash common.Uint256 SigData...

整个openzeppelin的源码分析小组?

4

现在已经有了不少defi的源码分析，不过openzeppelin很多库日常开发都用得上。代码也相对独立，分析起来比较简单，大家认领一下，说不定过几天就多了一份开发宝典。 每个分析分三部分：1. 介绍下这是什么东西，用在什么地方；2. 分析代码怎么实现的；3. 用法示例：整个小例子说明用法。

currently have exported the status of local node, peers, connections, transaction pool and ChainStore, which can be accessed from http://nodeip:HttpJsonPort/debug/vars Signed-off-by: laizy