reduce unused import warnings

nimbus/genesis.nim

@@ -1,5 +1,5 @@
 import
-  tables, json, strutils, times,
+  tables, json, times,
   eth/[common, rlp, trie], stint, stew/[byteutils, ranges],
   chronicles, eth/trie/db,
   db/[db_chain, state_db], genesis_alloc, config, constants

nimbus/p2p/executor.nim

@@ -117,7 +117,7 @@ proc processBlock*(chainDB: BaseChainDB, header: BlockHeader, body: BlockBody, v
       for txIndex, tx in body.transactions:
         var sender: EthAddress
         if tx.getSender(sender):
-          let gasUsed = processTransaction(tx, sender, vmState, fork)
+          discard processTransaction(tx, sender, vmState, fork)
         else:
           debug "Could not get sender", txIndex, tx
           return ValidationResult.Error

nimbus/utils/difficulty.nim

@@ -1,8 +1,7 @@
 import
   times,
   eth/common, stint,
-  ../constants, ../vm/interpreter/vm_forks,
-  ../config
+  ../constants, ../config
 
 const
   ExpDiffPeriod           = 100000.u256

nimbus/utils/header.nim

@@ -9,7 +9,7 @@
 import
   strformat, times, options,
   eth/[common, rlp],
-  ./difficulty, ../vm/interpreter/vm_forks, ../constants,
+  ./difficulty, ../constants,
   ../config
 
 export BlockHeader

nimbus/vm/computation.nim

@@ -6,7 +6,7 @@
 # at your option. This file may not be copied, modified, or distributed except according to those terms.
 
 import
-  chronicles, strformat, strutils, sequtils, macros, math, options, times,
+  chronicles, strformat, macros, options, times,
   sets, eth/[common, keys], eth/trie/db as triedb,
   ../constants, ../errors, ../vm_state, ../vm_types,
   ./interpreter/[opcode_values, gas_meter, gas_costs, vm_forks],

nimbus/vm/interpreter/opcodes_impl.nim

@@ -10,7 +10,7 @@ import
   chronicles, stint, nimcrypto, stew/ranges/[typedranges, ptr_arith], eth/common,
   ./utils/[macros_procs_opcodes, utils_numeric],
   ./gas_meter, ./gas_costs, ./opcode_values, ./vm_forks,
-  ../memory, ../message, ../stack, ../code_stream, ../computation,
+  ../memory, ../stack, ../code_stream, ../computation,
   ../../vm_state, ../../errors, ../../constants, ../../vm_types,
   ../../db/[db_chain, state_db]
 

nimbus/vm/interpreter/utils/macros_procs_opcodes.nim

@@ -12,7 +12,7 @@ import
   macros, strformat, stint, eth/common,
   ../../computation, ../../stack, ../../code_stream,
   ../../../vm_types, ../../memory,
-  ../../../errors, ../../message, ../../interpreter/[gas_meter, opcode_values],
+  ../../../errors, ../../interpreter/[gas_meter, opcode_values],
   ../../interpreter/utils/utils_numeric
 
 when defined(evmc_enabled):

nimbus/vm/message.nim

@@ -5,9 +5,7 @@
 #  * MIT license ([LICENSE-MIT](LICENSE-MIT) or http://opensource.org/licenses/MIT)
 # at your option. This file may not be copied, modified, or distributed except according to those terms.
 
-import
-  eth/common,
-  ../constants, ../validation, ../vm_types, chronicles
+import ../vm_types
 
 proc isCreate*(message: Message): bool =
   message.kind in {evmcCreate, evmcCreate2}

nimbus/vm/precompiles.nim

@@ -1,7 +1,7 @@
 import
   ../vm_types, interpreter/[gas_meter, gas_costs, utils/utils_numeric, vm_forks],
   ../errors, stint, eth/[keys, common], chronicles, tables, macros,
-  message, math, nimcrypto, bncurve/[fields, groups], blake2b_f
+  math, nimcrypto, bncurve/[fields, groups], blake2b_f
 
 type
   PrecompileAddresses* = enum

nimbus/vm/transaction_tracer.nim

@@ -2,7 +2,7 @@ import
   json, strutils, sets, hashes,
   chronicles, nimcrypto, eth/common, stint,
   ../vm_types, memory, stack, ../db/state_db,
-  eth/trie/hexary, ./message, stew/ranges/typedranges,
+  eth/trie/hexary, stew/ranges/typedranges,
   ./interpreter/opcode_values
 
 logScope:

tests/macro_assembler.nim

@@ -263,9 +263,9 @@ proc runVM*(blockNumber: Uint256, chainDB: BaseChainDB, boa: Assembler): bool =
   var computation = initComputation(blockNumber, chainDB, boa.code, boa.data, boa.fork)
 
   # TODO: support gas comsumption validation
-  let gas = computation.gasMeter.gasRemaining
+  # let gas = computation.gasMeter.gasRemaining
   execComputation(computation)
-  let gasUsed = gas - computation.gasMeter.gasRemaining
+  # let gasUsed = gas - computation.gasMeter.gasRemaining
 
   if computation.isSuccess:
     if boa.success == false:

tests/test_blockchain_json.nim

@@ -8,7 +8,7 @@
 import
   unittest2, json, os, tables, strutils, sets, strformat, times,
   options,
-  eth/[common, rlp, bloom], eth/trie/[db, trie_defs],
+  eth/[common, rlp], eth/trie/[db, trie_defs],
   ethash, stew/endians2, nimcrypto,
   ./test_helpers, ./test_allowed_to_fail,
   ../premix/parser, test_config,
@@ -330,7 +330,7 @@ proc processBlock(chainDB: BaseChainDB, vmState: BaseVMState, minedBlock: PlainB
   for txIndex, tx in minedBlock.transactions:
     var sender: EthAddress
     if tx.getSender(sender):
-      let gasUsed = processTransaction(tx, sender, vmState, fork)
+      discard processTransaction(tx, sender, vmState, fork)
     else:
       raise newException(ValidationError, "could not get sender")
     vmState.receipts[txIndex] = makeReceipt(vmState, fork)
@@ -622,7 +622,7 @@ proc runTester(tester: var Tester, chainDB: BaseChainDB, testStatusIMPL: var Tes
 
     if shouldBeGoodBlock:
       try:
-        let (preminedBlock, minedBlock, blockRlp) = tester.applyFixtureBlockToChain(
+        let (preminedBlock, _, _) = tester.applyFixtureBlockToChain(
             testerBlock, chainDB, checkSeal, validation = false)  # we manually validate below
         check validateBlock(chainDB, preminedBlock, checkSeal) == true
       except:

tests/test_generalstate_json.nim

@@ -6,13 +6,13 @@
 # at your option. This file may not be copied, modified, or distributed except according to those terms.
 
 import
-  unittest2, strformat, strutils, tables, json, times, os, sets,
+  unittest2, strutils, tables, json, times, os, sets,
   stew/ranges/typedranges, nimcrypto, options,
   eth/[rlp, common], eth/trie/[db, trie_defs], chronicles,
   ./test_helpers, ./test_allowed_to_fail,
   ../nimbus/p2p/executor, test_config,
   ../nimbus/transaction,
-  ../nimbus/[vm_state, vm_types, vm_state_transactions, utils],
+  ../nimbus/[vm_state, vm_types, utils],
   ../nimbus/vm/interpreter,
   ../nimbus/db/[db_chain, state_db]
 

tests/test_helpers.nim

@@ -9,9 +9,9 @@ import
   os, macros, json, strformat, strutils, parseutils, os, tables,
   stew/byteutils, stew/ranges/typedranges, net, eth/[common, keys, rlp, p2p], unittest2,
   testutils/markdown_reports,
-  ../nimbus/[vm_state, config, transaction, utils, errors],
-  ../nimbus/db/[db_chain, state_db],
-  ../nimbus/vm/interpreter/vm_forks
+  ../nimbus/[config, transaction, utils, errors],
+  ../nimbus/vm/interpreter/vm_forks,
+  ../nimbus/db/state_db
 
 func revmap(x: Table[Fork, string]): Table[string, Fork] =
   result = initTable[string, Fork]()
@@ -70,10 +70,10 @@ macro jsonTest*(s: static[string], handler: untyped, skipTest: untyped = skipNot
     testStatusIMPL = ident("testStatusIMPL")
     testName = ident("testName")
     # workaround for strformat in quote do: https://github.com/nim-lang/Nim/issues/8220
-    symbol = newIdentNode"symbol"
-    final  = newIdentNode"final"
-    name   = newIdentNode"name"
-    formatted = newStrLitNode"{symbol[final]} {name:<64}{$final}{'\n'}"
+    symbol {.used.} = newIdentNode"symbol"
+    final  {.used.} = newIdentNode"final"
+    name   {.used.} = newIdentNode"name"
+    formatted {.used.} = newStrLitNode"{symbol[final]} {name:<64}{$final}{'\n'}"
 
   result = quote:
     var filenames: seq[string] = @[]

tests/test_persistblock_json.nim

@@ -6,7 +6,7 @@
 # at your option. This file may not be copied, modified, or distributed except according to those terms.
 
 import
-  unittest2, json, os, tables, strformat, strutils,
+  unittest2, json, os, tables, strutils,
   eth/[common, rlp], stew/byteutils, eth/trie/db,
   ./test_helpers, ../nimbus/db/db_chain,
   ../nimbus/p2p/chain

tests/test_stack.nim

@@ -16,7 +16,7 @@ template testPush(value: untyped, expected: untyped): untyped =
   stack.push(value)
   check(stack.values == @[expected])
 
-template testFailPush(value: untyped): untyped =
+template testFailPush(value: untyped): untyped {.used.} =
   var stack = newStack()
   expect(ValidationError):
     stack.push(value)

tests/test_tracer_json.nim

@@ -6,7 +6,7 @@
 # at your option. This file may not be copied, modified, or distributed except according to those terms.
 
 import
-  unittest2, json, os, tables, strformat, strutils,
+  unittest2, json, os, tables, strutils,
   eth/common, stew/byteutils, eth/trie/db,
   ./test_helpers, ../nimbus/db/db_chain, ../nimbus/[tracer, vm_types]
 

tests/test_transaction_json.nim

@@ -1,7 +1,7 @@
 import
-  unittest2, json, os, tables, strformat, strutils,
+  unittest2, json, os, tables, strutils,
   eth/[common, rlp],
-  ./test_helpers, ./test_allowed_to_fail,
+  ./test_helpers,
   ../nimbus/[transaction, utils, errors]
 
 const

tests/test_vm_json.nim

@@ -10,7 +10,7 @@ import
   stew/byteutils, stew/ranges/typedranges, eth/[rlp, common], eth/trie/db,
   ./test_helpers, ./test_allowed_to_fail, ../nimbus/vm/interpreter,
   ../nimbus/[constants, vm_state, vm_types, utils],
-  ../nimbus/db/[db_chain, state_db]
+  ../nimbus/db/[db_chain]
 
 func bytesToHex(x: openarray[byte]): string {.inline.} =
   ## TODO: use seq[byte] for raw data and delete this proc
@@ -43,7 +43,6 @@ proc testFixture(fixtures: JsonNode, testStatusIMPL: var TestStatus) =
   let fexec = fixture["exec"]
   vmState.mutateStateDB:
     setupStateDB(fixture{"pre"}, db)
-    let address = fexec{"address"}.getStr.parseAddress
 
   vmState.setupTxContext(
     origin = fexec{"origin"}.getStr.parseAddress,