* swarm/network/stream: introduced visualized snapshot sync test * swarm/network/stream: non-existing hash visualization sim * swarm/network/stream: fixed retrieval tests; new backend for visualization * swarm/network/stream: cleanup of visualized_snapshot_sync_sim_test.go * swarm/network/stream: rebased PR on master * swarm/network/stream: fixed loop logic in retrieval tests * swarm/network/stream: fixed iterations for snapshot tests * swarm/network/stream: address PR comments * swarm/network/stream: addressed PR comments
This commit introduces a network simulation framework which can be used to run simulated networks of devp2p nodes. The intention is to use this for testing protocols, performing benchmarks and visualising emergent network behaviour.