remove the need for gcsafe overrides

nimbus/config.nim

@@ -13,13 +13,10 @@ import
   ./db/select_backend,
   ./vm/interpreter/vm_forks
 
-let
+const
   NimbusName* = "Nimbus"
   ## project name string
 
-  NimbusCopyright* = "Copyright (C) 2018-" & $(now().utc.year) & " Status Research & Development GmbH"
-  ## copyright string
-
   NimbusMajor*: int = 0
   ## is the major number of Nimbus' version.
 
@@ -32,14 +29,18 @@ let
   NimbusVersion* = $NimbusMajor & "." & $NimbusMinor & "." & $NimbusPatch
   ## is the version of Nimbus as a string.
 
+  NimbusIdent* = "$1/$2 ($3/$4)" % [NimbusName, NimbusVersion, hostCPU, hostOS]
+  ## project ident name for networking services
+
+let
+  NimbusCopyright* = "Copyright (C) 2018-" & $(now().utc.year) & " Status Research & Development GmbH"
+  ## copyright string
+
   NimbusHeader* = NimbusName & " Version " & NimbusVersion &
                   " [" & hostOS & ": " & hostCPU & ", " & nimbus_db_backend & "]\r\n" &
                   NimbusCopyright
   ## is the header which printed, when nimbus binary got executed
 
-  NimbusIdent* = "$1/$2 ($3/$4)" % [NimbusName, NimbusVersion, hostCPU, hostOS]
-  ## project ident name for networking services
-
 const
   MainnetBootnodes = [
     "enode://a979fb575495b8d6db44f750317d0f4622bf4c2aa3365d6af7c284339968eef29b69ad0dce72a4d8db5ebb4968de0e3bec910127f134779fbcb0cb6d3331163c@52.16.188.185:30303" , # IE
@@ -533,7 +534,6 @@ proc initConfiguration(): NimbusConfiguration =
   result.net.maxPendingPeers = 0
   result.net.bindPort = 30303'u16
   result.net.discPort = 30303'u16
-  {.gcsafe.}:
   result.net.ident = NimbusIdent
 
   const dataDir = getDefaultDataDir()

nimbus/rpc/common.nim

@@ -14,7 +14,6 @@ import
 
 proc setupCommonRPC*(server: RpcServer) =
   server.rpc("web3_clientVersion") do() -> string:
-    {.gcsafe.}:
     result = NimbusIdent
 
   server.rpc("web3_sha3") do(data: HexDataStr) -> string: