Revert "core: update DAO soft-fork number, clean up the code"

This reverts commit ba784bdf36f2daf7827ec1ec864f3393ba8d86a0.

3 files changed, 16 insertions, 9 deletions

diff --git a/cmd/geth/main.go b/cmd/geth/main.go
index 95aad3bea..c372430f1 100644
--- a/cmd/geth/main.go
+++ b/cmd/geth/main.go
@@ -169,7 +169,6 @@ participating.
 		utils.MiningGPUFlag,
 		utils.AutoDAGFlag,
 		utils.TargetGasLimitFlag,
-		utils.DAOSoftForkFlag,
 		utils.NATFlag,
 		utils.NatspecEnabledFlag,
 		utils.NoDiscoverFlag,
diff --git a/cmd/geth/usage.go b/cmd/geth/usage.go
index 10bc56b97..e7ef9e2c7 100644
--- a/cmd/geth/usage.go
+++ b/cmd/geth/usage.go
@@ -128,7 +128,6 @@ var AppHelpFlagGroups = []flagGroup{
 			utils.TargetGasLimitFlag,
 			utils.GasPriceFlag,
 			utils.ExtraDataFlag,
-			utils.DAOSoftForkFlag,
 		},
 	},
 	{
diff --git a/cmd/utils/flags.go b/cmd/utils/flags.go
index d8001e348..c732a6635 100644
--- a/cmd/utils/flags.go
+++ b/cmd/utils/flags.go
@@ -163,6 +163,10 @@ var (
 	}
 	// Miner settings
 	// TODO: refactor CPU vs GPU mining flags
+	BlockedCodeHashesFlag = cli.StringFlag{
+		Name:  "blocked-code-hashes",
+		Usage: "Comma separated list of code-hashes to ignore any interaction from",
+	}
 	MiningEnabledFlag = cli.BoolFlag{
 		Name:  "mine",
 		Usage: "Enable mining",
@@ -181,10 +185,6 @@ var (
 		Usage: "Target gas limit sets the artificial target gas floor for the blocks to mine",
 		Value: params.GenesisGasLimit.String(),
 	}
-	DAOSoftForkFlag = cli.BoolFlag{
-		Name:  "dao-soft-fork",
-		Usage: "Vote for the DAO soft-fork, temporarilly decreasing the gas limits",
-	}
 	AutoDAGFlag = cli.BoolFlag{
 		Name:  "autodag",
 		Usage: "Enable automatic DAG pregeneration",
@@ -644,6 +644,16 @@ func MakePasswordList(ctx *cli.Context) []string {
 	return lines
 }
 
+// MakeBlockedCodeHashes parses a comma separated list of hashes.
+func MakeBlockedCodeHashes(ctx *cli.Context) map[common.Hash]struct{} {
+	splittedHexHashes := strings.Split(ctx.GlobalString(BlockedCodeHashesFlag.Name), ",")
+	illegalCodeHashes := make(map[common.Hash]struct{})
+	for _, hexHash := range splittedHexHashes {
+		illegalCodeHashes[common.HexToHash(strings.TrimSpace(hexHash))] = struct{}{}
+	}
+	return illegalCodeHashes
+}
+
 // MakeSystemNode sets up a local node, configures the services to launch and
 // assembles the P2P protocol stack.
 func MakeSystemNode(name, version string, relconf release.Config, extra []byte, ctx *cli.Context) *node.Node {
@@ -680,9 +690,8 @@ func MakeSystemNode(name, version string, relconf release.Config, extra []byte,
 	}
 	// Configure the Ethereum service
 	accman := MakeAccountManager(ctx)
-
-	// Handle some miner strategies arrising from the DAO fiasco
-	core.DAOSoftFork = ctx.GlobalBool(DAOSoftForkFlag.Name)
+	// parse the blocked code hashes and set them to the core package.
+	core.BlockedCodeHashes = MakeBlockedCodeHashes(ctx)
 
 	// initialise new random number generator
 	rand := rand.New(rand.NewSource(time.Now().UnixNano()))