1 files changed, 24 insertions, 0 deletions
diff --git a/core/vm/evm/stack.go b/core/vm/evm/stack.go
new file mode 100644
index 000000000..4545201ce
--- /dev/null
+++ b/core/vm/evm/stack.go
@@ -0,0 +1,24 @@
+package evm
+
+import (
+	"math/big"
+	"sync"
+
+	"github.com/dexon-foundation/dexon/core/vm"
+)
+
+var stackPool = sync.Pool{
+	New: func() interface{} {
+		return &vm.Stack{Data: make([]*big.Int, 0, 1024)}
+	},
+}
+
+func NewStack() *vm.Stack {
+	stack := stackPool.Get().(*vm.Stack)
+	stack.Data = stack.Data[:0]
+	return stack
+}
+
+func Recyclestack(stack *vm.Stack) {
+	stackPool.Put(stack)
+}