filter incoming connections and add a test of functionality
Jeromy authored
- add extra check to dialblock test
- move filter to separate package
- also improved tests
- sunk filters down into p2p/net/conn/listener

License: MIT
Signed-off-by: default avatarJeromy <jeromyj@gmail.com>
Signed-off-by: default avatarJuan Batiz-Benet <juan@benet.ai>
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