1 files changed, 9 insertions, 0 deletions
diff --git a/pow/block.go b/pow/block.go
new file mode 100644
index 000000000..4759e19fb
--- /dev/null
+++ b/pow/block.go
@@ -0,0 +1,9 @@
+package pow
+
+import "math/big"
+
+type Block interface {
+	Diff() *big.Int
+	HashNoNonce() []byte
+	N() []byte
+}