cleanup: remove unused accessLogs code from vm_state

they are not used anywhere at present, nor in the future

nimbus/vm/state.nim

@@ -37,14 +37,6 @@ proc getMinerAddress(vmState: BaseVMState): EthAddress =
 
   account.value
 
-
-proc newAccessLogs*: AccessLogs =
-  AccessLogs(reads: initTable[string, string](), writes: initTable[string, string]())
-
-proc update*[K, V](t: var Table[K, V], elements: Table[K, V]) =
-  for k, v in elements:
-    t[k] = v
-
 proc `$`*(vmState: BaseVMState): string =
   if vmState.isNil:
     result = "nil"
@@ -55,7 +47,6 @@ proc init*(self: BaseVMState, prevStateRoot: Hash256, header: BlockHeader,
            chainDB: BaseChainDB, tracerFlags: set[TracerFlags] = {}) =
   self.prevHeaders = @[]
   self.name = "BaseVM"
-  self.accessLogs = newAccessLogs()
   self.blockHeader = header
   self.chaindb = chainDB
   self.tracer.initTracer(tracerFlags)

nimbus/vm/types.nim

@@ -34,7 +34,6 @@ type
   BaseVMState* = ref object of RootObj
     prevHeaders*   : seq[BlockHeader]
     chaindb*       : BaseChainDB
-    accessLogs*    : AccessLogs
     blockHeader*   : BlockHeader
     name*          : string
     flags*         : set[VMFlag]
@@ -51,10 +50,6 @@ type
     fork*          : Fork
     minerAddress*  : EthAddress
 
-  AccessLogs* = ref object
-    reads*: Table[string, string]
-    writes*: Table[string, string]
-
   TracerFlags* {.pure.} = enum
     EnableTracing
     DisableStorage

nimbus/vm2/state.nim

@@ -36,14 +36,6 @@ proc getMinerAddress(vmState: BaseVMState): EthAddress =
 
   account.value
 
-
-proc newAccessLogs*: AccessLogs =
-  AccessLogs(reads: initTable[string, string](), writes: initTable[string, string]())
-
-proc update*[K, V](t: var Table[K, V], elements: Table[K, V]) =
-  for k, v in elements:
-    t[k] = v
-
 proc `$`*(vmState: BaseVMState): string =
   if vmState.isNil:
     result = "nil"
@@ -54,7 +46,6 @@ proc init*(self: BaseVMState, prevStateRoot: Hash256, header: BlockHeader,
            chainDB: BaseChainDB, tracerFlags: set[TracerFlags] = {}) =
   self.prevHeaders = @[]
   self.name = "BaseVM"
-  self.accessLogs = newAccessLogs()
   self.blockHeader = header
   self.chaindb = chainDB
   self.tracer.initTracer(tracerFlags)

nimbus/vm2/types.nim

@@ -25,7 +25,6 @@ type
   BaseVMState* = ref object of RootObj
     prevHeaders*   : seq[BlockHeader]
     chaindb*       : BaseChainDB
-    accessLogs*    : AccessLogs
     blockHeader*   : BlockHeader
     name*          : string
     flags*         : set[VMFlag]
@@ -42,10 +41,6 @@ type
     fork*          : Fork
     minerAddress*  : EthAddress
 
-  AccessLogs* = ref object
-    reads*: Table[string, string]
-    writes*: Table[string, string]
-
   TracerFlags* {.pure.} = enum
     EnableTracing
     DisableStorage

nimbus/vm_state.nim

@@ -40,7 +40,6 @@ export
   vms.getTracingResult,
   vms.init,
   vms.mutateStateDB,
-  vms.newAccessLogs,
   vms.newBaseVMState,
   vms.readOnlyStateDB,
   vms.removeTracedAccounts,
@@ -49,7 +48,6 @@ export
   vms.timestamp,
   vms.tracedAccounts,
   vms.tracedAccountsPairs,
-  vms.update,
   vms.updateBlockHeader
 
 # End

nimbus/vm_types.nim

@@ -16,7 +16,6 @@ else:
     ./vm2/types as vmt
 
 export
-  vmt.AccessLogs,
   vmt.BaseVMState,
   vmt.CallKind,
   vmt.Computation,