= fix for opened nodes + part of `sendRequest` (unfinished)
= fix for opened nodes
+ part of `sendRequest` (unfinished)

Cha-OS/KnAllEdge,mprinc/KnAllEdge,Cha-OS/KnAllEdge,Cha-OS/KnAllEdge,mprinc/KnAllEdge,mprinc/KnAllEdge,mprinc/KnAllEdge,mprinc/KnAllEdge,Cha-OS/KnAllEdge,Cha-OS/KnAllEdge