1 files changed, 12 insertions, 0 deletions
diff --git a/pow/ar/block.go b/pow/ar/block.go
new file mode 100644
index 000000000..2124b53b4
--- /dev/null
+++ b/pow/ar/block.go
@@ -0,0 +1,12 @@
+package ar
+
+import (
+	"math/big"
+
+	"github.com/ethereum/go-ethereum/trie"
+)
+
+type Block interface {
+	Trie() *trie.Trie
+	Diff() *big.Int
+}