feat: blockfetch server support
Fixes #348
Fixes #348
Fixes #347
Fixes #348
Fixes #347
Fixes #347
fix: start keepalive server
fix: check for empty config in txsubmission init callback
feat: connection manager
Fixes #415
Fixes #415
Fixes #415
Fixes #415
This information was useful in the past, but improvements in protocol handling and the muxer have made is unnecessary