diff options
Diffstat (limited to 'core/vm/stack.go')
| -rw-r--r-- | core/vm/stack.go | 21 |
1 files changed, 8 insertions, 13 deletions
diff --git a/core/vm/stack.go b/core/vm/stack.go index 3d669b2f2..23c109455 100644 --- a/core/vm/stack.go +++ b/core/vm/stack.go @@ -27,32 +27,27 @@ func newstack() *stack { type stack struct { data []*big.Int - ptr int } func (st *stack) Data() []*big.Int { - return st.data[:st.ptr] + return st.data } func (st *stack) push(d *big.Int) { // NOTE push limit (1024) is checked in baseCheck - stackItem := new(big.Int).Set(d) - if len(st.data) > st.ptr { - st.data[st.ptr] = stackItem - } else { - st.data = append(st.data, stackItem) - } - st.ptr++ + //stackItem := new(big.Int).Set(d) + //st.data = append(st.data, stackItem) + st.data = append(st.data, d) } func (st *stack) pop() (ret *big.Int) { - st.ptr-- - ret = st.data[st.ptr] + ret = st.data[len(st.data)-1] + st.data = st.data[:len(st.data)-1] return } func (st *stack) len() int { - return st.ptr + return len(st.data) } func (st *stack) swap(n int) { @@ -60,7 +55,7 @@ func (st *stack) swap(n int) { } func (st *stack) dup(n int) { - st.push(st.data[st.len()-n]) + st.push(new(big.Int).Set(st.data[st.len()-n])) } func (st *stack) peek() *big.Int { |