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47 lines
1.5 KiB
Text
47 lines
1.5 KiB
Text
import Semantics.FixedPoint
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import Semantics.Bind
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namespace Semantics.Autobalance
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open Semantics
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/--
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NodeState: Represents the health of a research node.
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-/
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structure NodeState where
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ip : String
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recordCount : Nat
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isOnline : Bool
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load : Q16_16
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deriving Repr, BEq
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/--
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BalanceInvariant: A network is 'Grounded' if the variance in record counts
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is within the prescribed tolerance (10% delta).
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-/
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def isGrounded (nodes : List NodeState) : Bool :=
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let onlineNodes := nodes.filter (·.isOnline)
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if onlineNodes.length < 2 then true
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else
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-- Simple heuristic: if any online node has 0 records while others have many, not grounded.
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let hasEmpty := onlineNodes.any (·.recordCount == 0)
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let hasLoaded := onlineNodes.any (·.recordCount > 100)
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!(hasEmpty && hasLoaded)
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/--
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EquilibriumCost: The cost of an autobalance event (Q16.16).
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Cross-node broadcast is expensive but necessary for full view.
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-/
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def balanceCost (n : NodeState) (g : Metric) : UInt32 :=
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if n.isOnline then 0x00008000 -- 0.5 cost
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else 0x00050000 -- 5.0 cost (penalty for attempting sync to offline node)
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/--
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The Autobalance Bind: Connects the local substrate to the network equilibrium.
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-/
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def balanceBind (localNode : NodeState) (remoteNode : NodeState) (g : Metric) : Bind NodeState NodeState :=
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controlBind localNode remoteNode g (fun n _ _ => balanceCost n g)
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(fun _ => if isGrounded [localNode, remoteNode] then "equilibrium_attained" else "rebalance_required")
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(fun _ => "lawful_sync_witness")
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end Semantics.Autobalance
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