reset explicit import paths for local modules

why:
  it was convenient to have relocatable source modules when writing the
  vm interface wrappers. this patch moves it back to the standard.

also:
  there are no deep links into the vm folder anymore which leaves some
  room for manoeuvring inside

nim.cfg

@@ -1 +0,0 @@
-path = nimbus

nimbus/p2p/chain.nim

@@ -1,5 +1,5 @@
 import ../db/db_chain, eth/common, chronicles, ../vm_state, ../vm_types,
-  ../vm_computation, ../vm_message, ./vm_types2, stint, nimcrypto,
+  ../vm_computation, ../vm_message, ../vm_types2, stint, nimcrypto,
   ../utils, eth/trie/db, ./executor, ../config, ../genesis, ../utils,
   stew/endians2
 

nimbus/p2p/executor.nim

@@ -4,7 +4,7 @@ import options, sets,
   ../utils, ../constants, ../transaction,
   ../vm_state, ../vm_types, ../vm_state_transactions,
   ../vm_computation, ../vm_message, ../vm_precompiles,
-  ./vm_types2,
+  ../vm_types2,
   ./dao, ../config
 
 proc processTransaction*(tx: Transaction, sender: EthAddress, vmState: BaseVMState, fork: Fork): GasInt =

nimbus/vm/code_stream.nim

@@ -8,7 +8,7 @@
 import
   chronicles, strformat, strutils, sequtils, parseutils, sets, macros,
   eth/common,
-  vm/interpreter/opcode_values
+  ./interpreter/opcode_values
 
 logScope:
   topics = "vm code_stream"

nimbus/vm/computation.nim

@@ -8,12 +8,12 @@
 import
   chronicles, strformat, macros, options, times,
   sets, eth/[common, keys],
-  constants, errors,
+  ../constants, ../errors,
-  vm/interpreter/[opcode_values, gas_meter, gas_costs, vm_forks],
+  ./interpreter/[opcode_values, gas_meter, gas_costs, vm_forks],
-  vm/[code_stream, memory, message, stack, types, state],
+  ./code_stream, ./memory, ./message, ./stack, ./types, ./state,
-  db/[accounts_cache, db_chain],
+  ../db/[accounts_cache, db_chain],
-  utils/header, precompiles,
+  ../utils/header, ./precompiles,
-  transaction_tracer, utils
+  ./transaction_tracer, ../utils
 
 when defined(chronicles_log_level):
   import stew/byteutils

nimbus/vm/evmc_api.nim

@@ -5,7 +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 evmc/evmc, vm/evmc_helpers, eth/common, constants
+import evmc/evmc, ./evmc_helpers, eth/common, ../constants
 
 type
   # we are not using EVMC original signature here

nimbus/vm/interpreter.nim

@@ -10,21 +10,21 @@
 
 # see vm_opcode_value
 import
-  ./vm/interpreter/opcode_values as vmo
+  ./interpreter/opcode_values as vmo
 export
   vmo.Op
 
 
 # see vm_forks
 import
-  vm/interpreter/vm_forks as vmf
+  ./interpreter/vm_forks as vmf
 export
   vmf.Fork
 
 
 # see vm_message
 import
-  ./vm/message as vmm
+  ./message as vmm
 export
   vmm.isCreate
 
@@ -32,7 +32,7 @@ export
 
 # see vm_computation
 import
-  ./vm/computation as vmc
+  ./computation as vmc
 export
   vmc.accountExists,
   vmc.addLogEntry,
@@ -79,7 +79,7 @@ export
 
 
 import
-  vm/interpreter/gas_meter as gmt
+  ./interpreter/gas_meter as gmt
 export
   gmt.consumeGas,
   gmt.init,
@@ -88,7 +88,7 @@ export
 
 
 import
-  vm/code_stream as cst
+  ./code_stream as cst
 export
   cst.CodeStream,
   cst.`$`,
@@ -110,7 +110,7 @@ export
 
 
 import
-  vm/stack as stk
+  ./stack as stk
 export
   stk.Stack,
   stk.`$`,

nimbus/vm/interpreter/gas_costs.nim

@@ -7,8 +7,8 @@
 
 import
   math, eth/common/eth_types,
-  vm/interpreter/utils/[macros_gen_opcodes, utils_numeric],
+  ./utils/[macros_gen_opcodes, utils_numeric],
-  vm/interpreter/[opcode_values, vm_forks], errors
+  ./opcode_values, ./vm_forks, ../../errors
 
 when defined(evmc_enabled):
   import evmc/evmc

nimbus/vm/interpreter/gas_meter.nim

@@ -7,7 +7,7 @@
 
 import
   chronicles, strformat, eth/common, # GasInt
-  errors, vm/types
+  ../../errors, ../types
 
 logScope:
   topics = "vm gas"

nimbus/vm/interpreter/opcode_values.nim

@@ -5,7 +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 vm/interpreter/utils/macros_gen_opcodes
+import ./utils/macros_gen_opcodes
 
 fill_enum_holes:
   type

nimbus/vm/interpreter/opcodes_impl.nim

@@ -8,14 +8,14 @@
 import
   strformat, times, sets, sequtils, options,
   chronicles, stint, nimcrypto, stew/ranges/ptr_arith, eth/common,
-  vm/interpreter/utils/[macros_procs_opcodes, utils_numeric],
+  ./utils/[macros_procs_opcodes, utils_numeric],
-  vm/interpreter/[gas_meter, gas_costs, opcode_values, vm_forks],
+  ./gas_meter, ./gas_costs, ./opcode_values, ./vm_forks,
-  vm/[memory, stack, code_stream, computation, state, types],
+  ../memory, ../stack, ../code_stream, ../computation, ../state, ../types,
-  errors, constants,
+  ../../errors, ../../constants,
-  db/[db_chain, accounts_cache]
+  ../../db/[db_chain, accounts_cache]
 
 when defined(evmc_enabled):
-  import vm/evmc_api, vm/evmc_helpers, evmc/evmc
+  import ../evmc_api, ../evmc_helpers, evmc/evmc
 
 logScope:
   topics = "opcode impl"

nimbus/vm/interpreter/utils/macros_procs_opcodes.nim

@@ -10,12 +10,12 @@
 
 import
   macros, strformat, stint, eth/common,
-  vm/[computation, stack, code_stream, memory],
+  ../../computation, ../../stack, ../../code_stream, ../../memory,
-  vm/types, errors, vm/interpreter/[gas_meter, opcode_values],
+  ../../types, ../../../errors, ../gas_meter, ../opcode_values,
-  vm/interpreter/utils/utils_numeric
+  ./utils_numeric
 
 when defined(evmc_enabled):
-  import vm/evmc_api, evmc/evmc
+  import ../../evmc_api, evmc/evmc
 
 proc pop(tree: var NimNode): NimNode =
   ## Returns the last value of a NimNode and remove it

nimbus/vm/interpreter/utils/utils_numeric.nim

@@ -9,7 +9,7 @@ import
   macros,
   stew/endians2, stew/ranges/ptr_arith,
   eth/common/eth_types,
-  constants
+  ../../../constants
 
 type
   # cannot use range for unknown reason

nimbus/vm/interpreter_dispatch.nim

@@ -8,8 +8,8 @@
 import
   tables, macros,
   chronicles,
-  vm/interpreter/[opcode_values, opcodes_impl, vm_forks, gas_costs, gas_meter, utils/macros_gen_opcodes],
+  ./interpreter/[opcode_values, opcodes_impl, vm_forks, gas_costs, gas_meter, utils/macros_gen_opcodes],
-  vm/code_stream, vm/types, errors, precompiles, vm/stack,
+  ./code_stream, ./types, ../errors, ./precompiles, ./stack,
   terminal # Those are only needed for logging
 
 logScope:

nimbus/vm/memory.nim

@@ -8,8 +8,8 @@
 import
   sequtils,
   chronicles, eth/common/eth_types,
-  errors, validation,
+  ../errors, ../validation,
-  vm/interpreter/utils/utils_numeric
+  ./interpreter/utils/utils_numeric
 
 logScope:
   topics = "vm memory"

nimbus/vm/message.nim

@@ -5,7 +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 vm/types
+import ./types
 
 proc isCreate*(message: Message): bool =
   message.kind in {evmcCreate, evmcCreate2}

nimbus/vm/precompiles.nim

@@ -1,8 +1,8 @@
 import
-  vm/types,
+  ./types,
-  vm/interpreter/[gas_meter, gas_costs, utils/utils_numeric, vm_forks],
+  ./interpreter/[gas_meter, gas_costs, utils/utils_numeric, vm_forks],
-  errors, stint, eth/[keys, common], chronicles, tables, macros,
+  ../errors, stint, eth/[keys, common], chronicles, tables, macros,
-  math, nimcrypto, bncurve/[fields, groups], vm/blake2b_f, vm/blscurve
+  math, nimcrypto, bncurve/[fields, groups], ./blake2b_f, ./blscurve
 
 type
   PrecompileAddresses* = enum

nimbus/vm/stack.nim

@@ -7,7 +7,7 @@
 
 import
   chronicles, strformat, strutils, sequtils, macros, eth/common, nimcrypto,
-  errors, validation
+  ../errors, ../validation
 
 logScope:
   topics = "vm stack"

nimbus/vm/state.nim

@@ -11,10 +11,10 @@
 import
   macros, strformat, tables, sets, options,
   eth/[common, keys, rlp], nimcrypto/keccak,
-  vm/interpreter/[vm_forks, gas_costs], errors,
+  ./interpreter/[vm_forks, gas_costs], ../errors,
-  constants, db/[db_chain, accounts_cache],
+  ../constants, ../db/[db_chain, accounts_cache],
-  utils, json, vm/[transaction_tracer, types],
+  ../utils, json, ./transaction_tracer, ./types,
-  config, ../stateless/[witness_from_tree, witness_types]
+  ../config, ../../stateless/[witness_from_tree, witness_types]
 
 proc newAccessLogs*: AccessLogs =
   AccessLogs(reads: initTable[string, string](), writes: initTable[string, string]())

nimbus/vm/state_transactions.nim

@@ -7,9 +7,9 @@
 
 import
   options, sets,
-  eth/common, chronicles, db/accounts_cache,
+  eth/common, chronicles, ../db/accounts_cache,
-  transaction,
+  ../transaction,
-  vm/[computation, interpreter, state, types]
+  ./computation, ./interpreter, ./state, ./types
 
 proc validateTransaction*(vmState: BaseVMState, tx: Transaction, sender: EthAddress, fork: Fork): bool =
   let balance = vmState.readOnlyStateDB.getBalance(sender)

nimbus/vm/transaction_tracer.nim

@@ -1,9 +1,9 @@
 import
   json, strutils, sets, hashes,
   chronicles, nimcrypto, eth/common, stint,
-  vm/[types, memory, stack], db/accounts_cache,
+  ./types, ./memory, ./stack, ../db/accounts_cache,
   eth/trie/hexary,
-  vm/interpreter/opcode_values
+  ./interpreter/opcode_values
 
 logScope:
   topics = "vm opcode"

nimbus/vm/types.nim

@@ -11,14 +11,14 @@
 import
   tables, eth/common,
   options, json, sets,
-  vm/[memory, stack, code_stream],
+  ./memory, ./stack, ./code_stream,
-  vm/interpreter/[gas_costs, opcode_values, vm_forks],
+  ./interpreter/[gas_costs, opcode_values, vm_forks],
   # TODO - will be hidden at a lower layer
-  db/[db_chain, accounts_cache]
+  ../db/[db_chain, accounts_cache]
 
 when defined(evmc_enabled):
   import
-    ./vm/evmc_api
+    ./evmc_api
 
 type
   VMFlag* = enum