Change radius-config option to radius and allow also logRadius (#1100)

fluffy/conf.nim

@@ -183,20 +183,20 @@ type
       name: "bits-per-hop" .}: int
 
     radiusConfig* {.
-      hidden
-      desc: "Radius configuration for a fluffy node. Radius can be either `dynamic`" &
-            "where node adjust radius based on storage size limit," &
-            "or `static:logRadius` where node have hardcoded logRadius value. " &
-            "Warning: Setting it `static:logRadius` disable storage size limits and" &
-            "makes fluffy node to store fraction of the network."
+      desc: "Radius configuration for a fluffy node. Radius can be either `dynamic` " &
+            "where the node adjusts the radius based on `storage-size` option, " &
+            "or `static:<logRadius>` where the node has a hardcoded logarithmic radius value. " &
+            "Warning: `static:<logRadius>` disables `storage-size` limits and " &
+            "makes the node store a fraction of the network based on set radius."
       defaultValue: defaultRadiusConfig
-      name: "radius-config" .}: RadiusConfig
+      defaultValueDesc: $defaultRadiusConfigDesc
+      name: "radius" .}: RadiusConfig
 
     # TODO maybe it is worth defining minimal storage size and throw error if
     # value provided is smaller than minimum
     storageSize* {.
       desc: "Maximum amount (in bytes) of content which will be stored " &
-            "in local database."
+            "in the local database."
       defaultValue: defaultStorageSize
       defaultValueDesc: $defaultStorageSizeDesc
       name: "storage-size" .}: uint32

fluffy/network/wire/portal_protocol_config.nim

@@ -21,6 +21,7 @@ type
 
 const
   defaultRadiusConfig* = RadiusConfig(kind: Dynamic)
+  defaultRadiusConfigDesc* = $defaultRadiusConfig.kind
 
   defaultPortalProtocolConfig* = PortalProtocolConfig(
     tableIpLimits: DefaultTableIpLimits,
@@ -44,34 +45,39 @@ proc init*(
   )
 
 proc parseCmdArg*(T: type RadiusConfig, p: TaintedString): T
-      {.raises: [Defect, ConfigurationError].} =
-
+    {.raises: [Defect, ConfigurationError].} =
   if p.startsWith("dynamic") and len(p) == 7:
-    return RadiusConfig(kind: Dynamic)
+    RadiusConfig(kind: Dynamic)
   elif p.startsWith("static:"):
     let num = p[7..^1]
-    try:
-      let parsed = uint16.parseCmdArg(num)
+    let parsed =
+      try:
+        uint16.parseCmdArg(num)
+      except ValueError:
+        let msg = "Provided logRadius: " & num & " is not a valid number"
+        raise newException(ConfigurationError, msg)
 
-      if parsed > 256:
-        raise newException(
-          ConfigurationError, "Provided logRadius should be <= 256"
-        )
-
-      return RadiusConfig(kind: Static, logRadius: parsed)
-    except ValueError:
-      let msg = "Provided logRadius: " & num & " is not a valid number"
+    if parsed > 256:
       raise newException(
-        ConfigurationError, msg
+        ConfigurationError, "Provided logRadius should be <= 256"
       )
+
+    RadiusConfig(kind: Static, logRadius: parsed)
   else:
-    let msg = 
-      "Not supported radius config option: " & p & " . " & 
-      "Supported options: dynamic, static:logRadius"
-    raise newException(
-      ConfigurationError, 
-      msg
-    )
+    let parsed =
+      try:
+        uint16.parseCmdArg(p)
+      except ValueError:
+        let msg =
+          "Not supported radius config option: " & p & " . " &
+          "Supported options: dynamic and static:logRadius"
+        raise newException(ConfigurationError, msg)
+
+    if parsed > 256:
+      raise newException(
+        ConfigurationError, "Provided logRadius should be <= 256")
+
+    RadiusConfig(kind: Static, logRadius: parsed)
 
 proc completeCmdArg*(T: type RadiusConfig, val: TaintedString): seq[string] =
   return @[]

fluffy/scripts/launch_local_testnet.sh

@@ -248,7 +248,7 @@ for NUM_NODE in $(seq 0 $(( NUM_NODES - 1 ))); do
     BOOTSTRAP_ARG="--bootstrap-file=${BOOTSTRAP_ENR_FILE}"
     # All nodes but bootstrap node run with log. radius of 254 which should
     # result in ~1/4th of the data set stored.
-    RADIUS_ARG="--radius-config=static:254"
+    RADIUS_ARG="--radius=static:254"
 
     # Wait for the bootstrap node to write out its enr file
     START_TIMESTAMP=$(date +%s)