diff options
Diffstat (limited to 'ethchain/stack.go')
| -rw-r--r-- | ethchain/stack.go | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/ethchain/stack.go b/ethchain/stack.go index 57165c432..e3fc4b684 100644 --- a/ethchain/stack.go +++ b/ethchain/stack.go @@ -173,21 +173,25 @@ func NewStack() *Stack { } func (st *Stack) Pop() *big.Int { - str := st.data[0] - st.data = st.data[1:] + str := st.data[len(st.data)-1] + + copy(st.data[:len(st.data)-1], st.data[:len(st.data)-1]) + st.data = st.data[:len(st.data)-1] return str } func (st *Stack) Popn() (*big.Int, *big.Int) { - ints := st.data[:2] - st.data = st.data[2:] + ints := st.data[len(st.data)-2:] + + copy(st.data[:len(st.data)-2], st.data[:len(st.data)-2]) + st.data = st.data[:len(st.data)-2] return ints[0], ints[1] } func (st *Stack) Peek() *big.Int { - str := st.data[0] + str := st.data[len(st.data)-1] return str } |