| HandleFailure | Ouroboros.Network.PeerSelection.PeerStateActions, Ouroboros.Network.PeerSelection |
| Handshake | Ouroboros.Network.NodeToClient, Ouroboros.Network.NodeToNode |
| HandshakeClientFailure | Ouroboros.Network.PeerSelection.PeerStateActions, Ouroboros.Network.PeerSelection |
| HandshakeServerFailure | Ouroboros.Network.PeerSelection.PeerStateActions, Ouroboros.Network.PeerSelection |
| HandshakeTr | |
| 1 (Type/Class) | Ouroboros.Network.NodeToClient |
| 2 (Type/Class) | Ouroboros.Network.NodeToNode |
| handshake_QUERY_SHUTDOWN_DELAY | Ouroboros.Network.Diffusion.Configuration |
| HasHeader | Ouroboros.Network.AnchoredFragment |
| hasOnlyBootstrapPeers | Ouroboros.Cardano.Network.PeerSelection.Governor.PeerSelectionState |
| head | Ouroboros.Network.AnchoredFragment, Ouroboros.Network.AnchoredSeq |
| headAnchor | Ouroboros.Network.AnchoredFragment, Ouroboros.Network.AnchoredSeq |
| headBlockNo | Ouroboros.Network.AnchoredFragment |
| headerForgeUTCTime | |
| 1 (Function) | Ouroboros.Network.BlockFetch |
| 2 (Function) | Ouroboros.Network.BlockFetch.ClientState, Ouroboros.Network.BlockFetch.ClientRegistry |
| headerMetricTracer | Ouroboros.Network.PeerSelection.PeerMetric |
| headHash | Ouroboros.Network.AnchoredFragment |
| headPoint | Ouroboros.Network.AnchoredFragment |
| headSlot | Ouroboros.Network.AnchoredFragment |
| hotTarget | Ouroboros.Network.PeerSelection.State.LocalRootPeers |
| HotToCooling | Ouroboros.Network.PeerSelection.PeerStateActions, Ouroboros.Network.PeerSelection |
| HotToWarm | Ouroboros.Network.PeerSelection.PeerStateActions, Ouroboros.Network.PeerSelection |
| HotValency | |
| 1 (Type/Class) | Ouroboros.Network.PeerSelection.State.LocalRootPeers |
| 2 (Data Constructor) | Ouroboros.Network.PeerSelection.State.LocalRootPeers |