move Committee to its own module

mysticeti.nim

@@ -1,7 +1,6 @@
 import ./mysticeti/validator
 
 export validator.Validator
-export validator.Committee
 export validator.ProposalStatus
 export validator.new
 export validator.identifier
@@ -11,6 +10,11 @@ export validator.propose
 export validator.receive
 export validator.status
 
+import ./mysticeti/committee
+
+export committee.Committee
+export committee.new
+
 import ./mysticeti/blocks
 
 export blocks.Transaction

mysticeti/committee.nim

@@ -0,0 +1,13 @@
+import ./basics
+import ./signing
+
+type
+  Committee*[Signing] = ref object
+    stakes: Table[Identifier[Signing], Stake]
+  Stake* = float64
+
+func new*(_: type Committee, stakes: openArray[(Identifier, Stake)]): auto =
+  Committee[Identifier.Signing](stakes: stakes.toTable)
+
+func stake*(committee: Committee, identifier: Identifier): Stake =
+  committee.stakes.getOrDefault(identifier)

mysticeti/validator.nim

@@ -1,5 +1,6 @@
 import ./basics
 import ./signing
+import ./committee
 import ./blocks
 
 type
@@ -7,9 +8,6 @@ type
     identity: Identity[Signing]
     committee: Committee[Signing]
     round: Round[Signing, Hashing]
-  Committee*[Signing] = ref object
-    stakes: Table[Identifier[Signing], Stake]
-  Stake = float64
   Round[Signing, Hashing] = ref object
     number: uint64
     previous: ?Round[Signing, Hashing]
@@ -28,9 +26,6 @@ func new*(T: type Validator; identity: Identity, committee: Committee): T =
   let round = Round[T.Signing, T.Hashing](number: 0)
   T(identity: identity, committee: committee, round: round)
 
-func new*(_: type Committee, stakes: openArray[(Identifier, Stake)]): auto =
-  Committee[Identifier.Signing](stakes: stakes.toTable)
-
 func new*(_: type Round, number: uint64, previous: Round): auto =
   Round(number: number, previous: some previous)
 
@@ -43,9 +38,6 @@ func identifier*(validator: Validator): auto =
 func round*(validator: Validator): uint64 =
   validator.round.number
 
-func stake(committee: Committee, identifier: Identifier): Stake =
-  committee.stakes.getOrDefault(identifier)
-
 func nextRound*(validator: Validator) =
   let previous = validator.round
   validator.round = Round.new(previous.number + 1, previous)