1 files changed, 11 insertions, 0 deletions
diff --git a/pow/ar/block.go b/pow/ar/block.go
new file mode 100644
index 000000000..cc02028cd
--- /dev/null
+++ b/pow/ar/block.go
@@ -0,0 +1,11 @@
+package ar
+
+import (
+	"math/big"
+	"github.com/ethereum/eth-go/ethtrie"
+)
+
+type Block interface {
+	Trie() *ethtrie.Trie
+	Diff() *big.Int
+}