56569b32ef Add utils to convert ChainHash to a Network (benthecarman)
Pull request description:
ACKs for top commit:
Kixunil:
ACK 56569b32ef
tcharding:
ACK 56569b32ef
Tree-SHA512: a489fcb1c1208db4271076d88288658988a63209e56e7433bde82d7d5719450433348fcc3cb6aae59ffa6ed8aff510d6b031c6899d5cf64c503a53b2d4c692b8