core: Added EVM configuration options

The EVM is now initialised with an additional configured object that
allows you to turn on debugging options.

cmd/ethtest/main.go

@@ -26,7 +26,6 @@ import (
 	"strings"
 
 	"github.com/codegangsta/cli"
-	"github.com/ethereum/go-ethereum/core/vm"
 	"github.com/ethereum/go-ethereum/logger/glog"
 	"github.com/ethereum/go-ethereum/tests"
 )
@@ -188,7 +187,6 @@ func setupApp(c *cli.Context) {
 	continueOnError = c.GlobalBool(ContinueOnErrorFlag.Name)
 	useStdIn := c.GlobalBool(ReadStdInFlag.Name)
 	skipTests = strings.Split(c.GlobalString(SkipTestsFlag.Name), " ")
-	vm.Debug = c.GlobalBool(TraceFlag.Name)
 
 	if !useStdIn {
 		runSuite(flagTest, flagFile)

cmd/evm/main.go

@@ -106,7 +106,6 @@ func init() {
 }
 
 func run(ctx *cli.Context) {
-	vm.Debug = ctx.GlobalBool(DebugFlag.Name)
 	vm.ForceJit = ctx.GlobalBool(ForceJitFlag.Name)
 	vm.EnableJit = !ctx.GlobalBool(DisableJitFlag.Name)
 
@@ -119,7 +118,9 @@ func run(ctx *cli.Context) {
 	receiver := statedb.CreateAccount(common.StringToAddress("receiver"))
 	receiver.SetCode(common.Hex2Bytes(ctx.GlobalString(CodeFlag.Name)))
 
-	vmenv := NewEnv(statedb, common.StringToAddress("evmuser"), common.Big(ctx.GlobalString(ValueFlag.Name)))
+	vmenv := NewEnv(statedb, common.StringToAddress("evmuser"), common.Big(ctx.GlobalString(ValueFlag.Name)), &vm.Config{
+		Debug: ctx.GlobalBool(DebugFlag.Name),
+	})
 
 	tstart := time.Now()
 	ret, e := vmenv.Call(
@@ -176,10 +177,10 @@ type VMEnv struct {
 	time  *big.Int
 	logs  []vm.StructLog
 
-	evm *vm.Vm
+	evm *vm.EVM
 }
 
-func NewEnv(state *state.StateDB, transactor common.Address, value *big.Int) *VMEnv {
+func NewEnv(state *state.StateDB, transactor common.Address, value *big.Int, cfg *vm.Config) *VMEnv {
 	params.HomesteadBlock = new(big.Int)
 	env := &VMEnv{
 		state:      state,
@@ -187,11 +188,13 @@ func NewEnv(state *state.StateDB, transactor common.Address, value *big.Int) *VM
 		value:      value,
 		time:       big.NewInt(time.Now().Unix()),
 	}
-	env.evm = vm.EVM(env)
+	cfg.Logger.Collector = env
+
+	env.evm = vm.New(env, cfg)
 	return env
 }
 
-func (self *VMEnv) Vm() *vm.Vm                 { return self.evm }
+func (self *VMEnv) Vm() vm.Vm                  { return self.evm }
 func (self *VMEnv) Db() vm.Database            { return self.state }
 func (self *VMEnv) MakeSnapshot() vm.Database  { return self.state.Copy() }
 func (self *VMEnv) SetSnapshot(db vm.Database) { self.state.Set(db.(*state.StateDB)) }

cmd/geth/main.go

@@ -321,7 +321,6 @@ JavaScript API. See https://github.com/ethereum/go-ethereum/wiki/Javascipt-Conso
 		utils.WhisperEnabledFlag,
 		utils.DevModeFlag,
 		utils.TestNetFlag,
-		utils.VMDebugFlag,
 		utils.VMForceJitFlag,
 		utils.VMJitCacheFlag,
 		utils.VMEnableJitFlag,

cmd/geth/usage.go

@@ -142,7 +142,6 @@ var AppHelpFlagGroups = []flagGroup{
 	{
 		Name: "VIRTUAL MACHINE",
 		Flags: []cli.Flag{
-			utils.VMDebugFlag,
 			utils.VMEnableJitFlag,
 			utils.VMForceJitFlag,
 			utils.VMJitCacheFlag,

cmd/utils/flags.go

@@ -203,11 +203,6 @@ var (
 		Value: "",
 	}
 
-	// vm flags
-	VMDebugFlag = cli.BoolFlag{
-		Name:  "vmdebug",
-		Usage: "Virtual Machine debug output",
-	}
 	VMForceJitFlag = cli.BoolFlag{
 		Name:  "forcejit",
 		Usage: "Force the JIT VM to take precedence",
@@ -728,9 +723,6 @@ func MakeSystemNode(name, version string, extra []byte, ctx *cli.Context) *node.
 		if !ctx.GlobalIsSet(WhisperEnabledFlag.Name) {
 			shhEnable = true
 		}
-		if !ctx.GlobalIsSet(VMDebugFlag.Name) {
-			vm.Debug = true
-		}
 		ethConf.PowTest = true
 	}
 	// Assemble and return the protocol stack
@@ -771,9 +763,6 @@ func SetupVM(ctx *cli.Context) {
 	vm.EnableJit = ctx.GlobalBool(VMEnableJitFlag.Name)
 	vm.ForceJit = ctx.GlobalBool(VMForceJitFlag.Name)
 	vm.SetJITCacheSize(ctx.GlobalInt(VMJitCacheFlag.Name))
-	if ctx.GlobalIsSet(VMDebugFlag.Name) {
-		vm.Debug = ctx.GlobalBool(VMDebugFlag.Name)
-	}
 }
 
 // MakeChain creates a chain manager from set command line flags.