This adds gossipsub and floodsub, as well as basic interop testing with the go libp2p daemon.
* add close event
* wip: gossipsub
* splitting rpc message
* making message handling more consistent
* initial gossipsub implementation
* feat: nim 1.0 cleanup
* wip: gossipsub protobuf
* adding encoding/decoding of gossipsub messages
* add disconnect handler
* add proper gossipsub msg handling
* misc: cleanup for nim 1.0
* splitting floodsub and gossipsub tests
* feat: add mesh rebalansing
* test pubsub
* add mesh rebalansing tests
* testing mesh maintenance
* finishing mcache implementatin
* wip: commenting out broken tests
* wip: don't run heartbeat for now
* switchout debug for trace logging
* testing gossip peer selection algorithm
* test stream piping
* more work around message amplification
* get the peerid from message
* use timed cache as backing store
* allow setting timeout in constructor
* several changes to improve performance
* more through testing of msg amplification
* prevent gc issues
* allow piping to self and prevent deadlocks
* improove floodsub
* allow running hook on cache eviction
* prevent race conditions
* prevent race conditions and improove tests
* use hashes as cache keys
* removing useless file
* don't create a new seq
* re-enable pubsub tests
* fix imports
* reduce number of runs to speed up tests
* break out control message processing
* normalize sleeps between steps
* implement proper transport filtering
* initial interop testing
* clean up floodsub publish logic
* allow dialing without a protocol
* adding multiple reads/writes
* use protobuf varint in mplex
* don't loose conn's peerInfo
* initial interop pubsub tests
* don't duplicate connections/peers
* bring back interop tests
* wip: interop
* re-enable interop and daemon tests
* add multiple read write tests from handlers
* don't cleanup channel prematurely
* use correct channel to send/receive msgs
* adjust tests with latest changes
* include interop tests
* remove temp logging output
* fix ci
* use correct public key serialization
* additional tests for pubsub interop
Dmitriy Ryajov