From a22056db5988bfa2b1354e0092eabb734c30701c Mon Sep 17 00:00:00 2001 From: obscuren Date: Mon, 1 Dec 2014 20:49:56 +0100 Subject: Make an attempt to pay for the gas prior to expanding the mem. --- vm/closure.go | 2 +- vm/vm_debug.go | 3 ++- 2 files changed, 3 insertions(+), 2 deletions(-) (limited to 'vm') diff --git a/vm/closure.go b/vm/closure.go index ef9bbca93..5bd8c1bb8 100644 --- a/vm/closure.go +++ b/vm/closure.go @@ -64,7 +64,7 @@ func (c *Closure) GetOp(x int) OpCode { } func (c *Closure) GetByte(x int) byte { - if x < len(c.Code) { + if x > -1 && x < len(c.Code) { return c.Code[x] } diff --git a/vm/vm_debug.go b/vm/vm_debug.go index b9c1d4bc6..4daa3ab5b 100644 --- a/vm/vm_debug.go +++ b/vm/vm_debug.go @@ -277,7 +277,6 @@ func (self *DebugVm) RunClosure(closure *Closure) (ret []byte, err error) { addStepGasUsage(memGasUsage) - mem.Resize(newMemSize.Uint64()) } } @@ -295,6 +294,8 @@ func (self *DebugVm) RunClosure(closure *Closure) (ret []byte, err error) { return closure.Return(nil), OOG(gas, tmp) } + mem.Resize(newMemSize.Uint64()) + switch op { // 0x20 range case ADD: -- cgit v1.2.3