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| author | obscuren <geffobscura@gmail.com> | 2015-01-02 17:30:27 +0800 |
|---|---|---|
| committer | obscuren <geffobscura@gmail.com> | 2015-01-02 17:30:27 +0800 |
| commit | 0fb1bcd32192b8bf05a328b955a08da4cefe0180 (patch) | |
| tree | 67460b927eb41b2876e8e6b7eb9dece494dbd088 /vm/stack.go | |
| parent | 8da07e91e40c1d1bb43763b7e959ae92e5770af2 (diff) | |
| parent | a4dc12f12c7a06f5e28d5b1e760249875ef7a8c5 (diff) | |
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Merge branch 'poc8' into docbranch
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 { |