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| author | obscuren <geffobscura@gmail.com> | 2014-12-31 18:12:40 +0800 |
|---|---|---|
| committer | obscuren <geffobscura@gmail.com> | 2014-12-31 18:12:40 +0800 |
| commit | 4547a05a689e6a0f29dd2d90e840e84de7f564f4 (patch) | |
| tree | 06cc11c1450005f21cc16f4182d94b7515ba74c5 /vm/stack.go | |
| parent | 4b4e0821027cb5a82eaa04dcd89b1cad4a05af4e (diff) | |
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Minor improvements
* Moved gas and mem size to its own function
Diffstat (limited to 'vm/stack.go')
| -rw-r--r-- | vm/stack.go | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/vm/stack.go b/vm/stack.go index 6091479cb..b9eaa10cd 100644 --- a/vm/stack.go +++ b/vm/stack.go @@ -91,6 +91,12 @@ func (st *Stack) Get(amount *big.Int) []*big.Int { return nil } +func (st *Stack) require(n int) { + if st.Len() < n { + panic(fmt.Sprintf("stack underflow (%d <=> %d)", st.Len(), n)) + } +} + func (st *Stack) Print() { fmt.Println("### stack ###") if len(st.data) > 0 { |