cmd/evm: enable all forks by default in run command

The default genesis was just empty with no forks at all, which is annoying because
contracts will be relying on opcodes introduced in a fork. So this changes the default to
have all forks enabled.

cmd/evm/runner.go

@@ -33,7 +33,6 @@ import (
 	"github.com/ethereum/go-ethereum/core"
 	"github.com/ethereum/go-ethereum/core/rawdb"
 	"github.com/ethereum/go-ethereum/core/state"
-	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/core/vm"
 	"github.com/ethereum/go-ethereum/core/vm/runtime"
 	"github.com/ethereum/go-ethereum/eth/tracers/logger"
@@ -117,15 +116,14 @@ func runCmd(ctx *cli.Context) error {
 	}
 
 	var (
-		tracer        vm.EVMLogger
+		tracer      vm.EVMLogger
-		debugLogger   *logger.StructLogger
+		debugLogger *logger.StructLogger
-		statedb       *state.StateDB
+		statedb     *state.StateDB
-		chainConfig   *params.ChainConfig
+		chainConfig *params.ChainConfig
-		sender        = common.BytesToAddress([]byte("sender"))
+		sender      = common.BytesToAddress([]byte("sender"))
-		receiver      = common.BytesToAddress([]byte("receiver"))
+		receiver    = common.BytesToAddress([]byte("receiver"))
-		genesisConfig *core.Genesis
+		preimages   = ctx.Bool(DumpFlag.Name)
-		preimages     = ctx.Bool(DumpFlag.Name)
+		blobHashes  []common.Hash // TODO (MariusVanDerWijden) implement blob hashes in state tests
-		blobHashes    []common.Hash // TODO (MariusVanDerWijden) implement blob hashes in state tests
 	)
 	if ctx.Bool(MachineFlag.Name) {
 		tracer = logger.NewJSONLogger(logconfig, os.Stdout)
@@ -135,30 +133,30 @@ func runCmd(ctx *cli.Context) error {
 	} else {
 		debugLogger = logger.NewStructLogger(logconfig)
 	}
+
+	initialGas := ctx.Uint64(GasFlag.Name)
+	genesisConfig := new(core.Genesis)
+	genesisConfig.GasLimit = initialGas
 	if ctx.String(GenesisFlag.Name) != "" {
-		gen := readGenesis(ctx.String(GenesisFlag.Name))
+		genesisConfig = readGenesis(ctx.String(GenesisFlag.Name))
-		genesisConfig = gen
+		if genesisConfig.GasLimit != 0 {
-		db := rawdb.NewMemoryDatabase()
+			initialGas = genesisConfig.GasLimit
-		triedb := trie.NewDatabase(db, &trie.Config{
+		}
-			Preimages: preimages,
-			HashDB:    hashdb.Defaults,
-		})
-		defer triedb.Close()
-		genesis := gen.MustCommit(db, triedb)
-		sdb := state.NewDatabaseWithNodeDB(db, triedb)
-		statedb, _ = state.New(genesis.Root(), sdb, nil)
-		chainConfig = gen.Config
 	} else {
-		db := rawdb.NewMemoryDatabase()
+		genesisConfig.Config = params.AllEthashProtocolChanges
-		triedb := trie.NewDatabase(db, &trie.Config{
-			Preimages: preimages,
-			HashDB:    hashdb.Defaults,
-		})
-		defer triedb.Close()
-		sdb := state.NewDatabaseWithNodeDB(db, triedb)
-		statedb, _ = state.New(types.EmptyRootHash, sdb, nil)
-		genesisConfig = new(core.Genesis)
 	}
+
+	db := rawdb.NewMemoryDatabase()
+	triedb := trie.NewDatabase(db, &trie.Config{
+		Preimages: preimages,
+		HashDB:    hashdb.Defaults,
+	})
+	defer triedb.Close()
+	genesis := genesisConfig.MustCommit(db, triedb)
+	sdb := state.NewDatabaseWithNodeDB(db, triedb)
+	statedb, _ = state.New(genesis.Root(), sdb, nil)
+	chainConfig = genesisConfig.Config
+
 	if ctx.String(SenderFlag.Name) != "" {
 		sender = common.HexToAddress(ctx.String(SenderFlag.Name))
 	}
@@ -212,10 +210,6 @@ func runCmd(ctx *cli.Context) error {
 		}
 		code = common.Hex2Bytes(bin)
 	}
-	initialGas := ctx.Uint64(GasFlag.Name)
-	if genesisConfig.GasLimit != 0 {
-		initialGas = genesisConfig.GasLimit
-	}
 	runtimeConfig := runtime.Config{
 		Origin:      sender,
 		State:       statedb,