Connect gasLimit from Config to CommonRef (#2946)

nimbus/common/common.nim

@@ -476,7 +476,12 @@ func `extraData=`*(com: CommonRef, val: string) =
   com.extraData = val
 
 func `gasLimit=`*(com: CommonRef, val: uint64) =
-  com.gasLimit = val
+  if val < GAS_LIMIT_MINIMUM:
+    com.gasLimit = GAS_LIMIT_MINIMUM
+  elif val > GAS_LIMIT_MAXIMUM:
+    com.gasLimit = GAS_LIMIT_MAXIMUM
+  else:
+    com.gasLimit = val
 
 # ------------------------------------------------------------------------------
 # End

nimbus/core/tx_pool.nim

@@ -468,7 +468,6 @@ proc assembleBlock*(
   ## tuning parameters. The following block header fields are left
   ## uninitialised:
   ##
-  ## * *extraData*: Blob
   ## * *mixHash*: Hash32
   ## * *nonce*:     BlockNonce
   ##

nimbus/nimbus_execution_client.nim

@@ -221,14 +221,14 @@ proc run(nimbus: NimbusNode, conf: NimbusConf) =
     try:
       if conf.numThreads < 0:
         fatal "The number of threads --num-threads cannot be negative."
-        quit 1
+        quit QuitFailure
       elif conf.numThreads == 0:
         Taskpool.new(numThreads = min(countProcessors(), 16))
       else:
         Taskpool.new(numThreads = conf.numThreads)
     except CatchableError as e:
       fatal "Cannot start taskpool", err = e.msg
-      quit 1
+      quit QuitFailure
 
   info "Threadpool started", numThreads = taskpool.numThreads
 
@@ -244,7 +244,15 @@ proc run(nimbus: NimbusNode, conf: NimbusConf) =
       extraData=conf.extraData,
       len=conf.extraData.len
 
+  if conf.gasLimit > GAS_LIMIT_MAXIMUM or
+     conf.gasLimit < GAS_LIMIT_MINIMUM:
+    warn "GasLimit not in expected range, truncate",
+      min=GAS_LIMIT_MINIMUM,
+      max=GAS_LIMIT_MAXIMUM,
+      get=conf.gasLimit
+
   com.extraData = conf.extraData
+  com.gasLimit = conf.gasLimit
 
   defer:
     com.db.finish()