pub async fn two_node_streams(
genesis: [u8; 32],
) -> Result<(MockPeer, MockPeer, Box<dyn MeshStream>, Box<dyn MeshStream>), MeshError>Expand description
Two mock peers sharing a fabric, with an established stream pair.
Returns (peer_a, peer_b, stream_from_a, stream_from_b) after A
listens and B connects.