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-rw-r--r--pow/block.go12
1 files changed, 10 insertions, 2 deletions
diff --git a/pow/block.go b/pow/block.go
index 129f96fd3..eb07bc86e 100644
--- a/pow/block.go
+++ b/pow/block.go
@@ -1,12 +1,20 @@
package pow
-import "math/big"
+import (
+ "github.com/ethereum/go-ethereum/core/types"
+ "math/big"
+)
type Block interface {
Difficulty() *big.Int
HashNoNonce() []byte
Nonce() []byte
- Number() *big.Int
MixDigest() []byte
SeedHash() []byte
+ NumberU64() uint64
+}
+
+type ChainManager interface {
+ GetBlockByNumber(uint64) *types.Block
+ CurrentBlock() *types.Block
}