renamed states*.nim => v2states*.nim

why:
  these files provide part of the externally accessible interface
  provided by vm_state*.nim. so the new filename indicates that the
  source code belongs to vm2 (rather than vm).

nimbus/vm2/computation.nim

@@ -15,7 +15,7 @@ import
   sets, eth/[common, keys],
   ../constants, ../errors,
   ./interpreter/[v2opcode_values, gas_meter, gas_costs, v2forks],
-  ./code_stream, ./memory, ./message, ./stack, ./v2types, ./state,
+  ./code_stream, ./memory, ./message, ./stack, ./v2types, ./v2state,
   ../db/[accounts_cache, db_chain],
   ../utils/header, ./precompiles,
   ./transaction_tracer, ../utils

nimbus/vm2/interpreter/opcodes_impl.nim

@@ -10,7 +10,7 @@ import
   chronicles, stint, nimcrypto, stew/ranges/ptr_arith, eth/common,
   ./utils/[macros_procs_opcodes, utils_numeric],
   ./gas_meter, ./gas_costs, ./v2opcode_values, ./v2forks,
-  ../memory, ../stack, ../code_stream, ../computation, ../state, ../v2types,
+  ../memory, ../stack, ../code_stream, ../computation, ../v2state, ../v2types,
   ../../errors, ../../constants,
   ../../db/[db_chain, accounts_cache]
 

nimbus/vm2/v2state_transactions.nim

@@ -14,7 +14,7 @@ import
   options, sets,
   eth/common, chronicles, ../db/accounts_cache,
   ../transaction,
-  ./computation, ./interpreter, ./state, ./v2types
+  ./computation, ./interpreter, ./v2state, ./v2types
 
 proc setupComputation*(vmState: BaseVMState, tx: Transaction, sender: EthAddress, fork: Fork) : Computation =
   var gas = tx.gasLimit - tx.intrinsicGas(fork)

nimbus/vm_state.nim

@@ -13,7 +13,7 @@ when defined(evmc_enabled) or not defined(vm2_enabled):
     ./vm/state as vms
 else:
   import
-    ./vm2/state as vms
+    ./vm2/v2state as vms
 
 export
   vms.`$`,

nimbus/vm_state_transactions.nim

@@ -13,7 +13,7 @@ when defined(evmc_enabled) or not defined(vm2_enabled):
     vm/state_transactions as vmx
 else:
   import
-    vm2/state_transactions as vmx
+    vm2/v2state_transactions as vmx
 
 export
   vmx.execComputation,