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-rw-r--r--ethchain/stack.go6
1 files changed, 6 insertions, 0 deletions
diff --git a/ethchain/stack.go b/ethchain/stack.go
index bf34e6ea9..37d1f84b9 100644
--- a/ethchain/stack.go
+++ b/ethchain/stack.go
@@ -111,6 +111,12 @@ func (m *Memory) Set(offset, size int64, value []byte) {
copy(m.store[offset:offset+size], value)
}
+func (m *Memory) Resize(size uint64) {
+ if uint64(m.Len()) < size {
+ m.store = append(m.store, make([]byte, size-uint64(m.Len()))...)
+ }
+}
+
func (m *Memory) Get(offset, size int64) []byte {
return m.store[offset : offset+size]
}