From d03ab3c97652d61a9f179215f31e107c91bd6058 Mon Sep 17 00:00:00 2001
From: obscuren <geffobscura@gmail.com>
Date: Thu, 21 Aug 2014 20:25:02 +0200
Subject: [PATCH] invalidated SWAP/DUP

---
 ethvm/types.go | 12 ++++++------
 ethvm/vm.go    |  4 ----
 2 files changed, 6 insertions(+), 10 deletions(-)

diff --git a/ethvm/types.go b/ethvm/types.go
index 98fd8fba05..36ba395d6f 100644
--- a/ethvm/types.go
+++ b/ethvm/types.go
@@ -59,9 +59,9 @@ const (
 	GASLIMIT   = 0x45
 
 	// 0x50 range - 'storage' and execution
-	POP     = 0x50
-	DUP     = 0x51
-	SWAP    = 0x52
+	POP = 0x50
+	//DUP     = 0x51
+	//SWAP    = 0x52
 	MLOAD   = 0x53
 	MSTORE  = 0x54
 	MSTORE8 = 0x55
@@ -204,9 +204,9 @@ var opCodeToString = map[OpCode]string{
 	GASLIMIT:   "GASLIMIT",
 
 	// 0x50 range - 'storage' and execution
-	POP:     "POP",
-	DUP:     "DUP",
-	SWAP:    "SWAP",
+	POP: "POP",
+	//DUP:     "DUP",
+	//SWAP:    "SWAP",
 	MLOAD:   "MLOAD",
 	MSTORE:  "MSTORE",
 	MSTORE8: "MSTORE8",
diff --git a/ethvm/vm.go b/ethvm/vm.go
index 29dc2515ce..873a80c44c 100644
--- a/ethvm/vm.go
+++ b/ethvm/vm.go
@@ -640,10 +640,6 @@ func (self *Vm) RunClosure(closure *Closure) (ret []byte, err error) {
 			x, y := stack.Swapn(n)
 
 			self.Printf(" => [%d] %x [0] %x", n, x.Bytes(), y.Bytes())
-		case DUP:
-			// NOP
-		case SWAP:
-			// NOP
 		case MLOAD:
 			require(1)
 			offset := stack.Pop()