Implemented utility functions for copying/releasing vNodes vector#1382

UdjinM6 merged 2 commits into

dashpay:v0.12.1.xdashpay/dash:v0.12.1.xfrom

tgflynn:v0.12.1.x-vnodes-copytgflynn/dash:v0.12.1.x-vnodes-copyCopy head branch name to clipboard