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-rw-r--r--core/types/block.go9
1 files changed, 7 insertions, 2 deletions
diff --git a/core/types/block.go b/core/types/block.go
index d57de1311..f637b5c3b 100644
--- a/core/types/block.go
+++ b/core/types/block.go
@@ -41,12 +41,16 @@ type Header struct {
Extra string
// Block Nonce for verification
Nonce ethutil.Bytes
+ // Mix digest for quick checking to prevent DOS
+ MixDigest ethutil.Bytes
+ // SeedHash used for light client verification
+ SeedHash ethutil.Bytes
}
func (self *Header) rlpData(withNonce bool) []interface{} {
fields := []interface{}{self.ParentHash, self.UncleHash, self.Coinbase, self.Root, self.TxHash, self.ReceiptHash, self.Bloom, self.Difficulty, self.Number, self.GasLimit, self.GasUsed, self.Time, self.Extra}
if withNonce {
- fields = append(fields, self.Nonce)
+ fields = append(fields, self.Nonce, self.MixDigest, self.SeedHash)
}
return fields
@@ -176,6 +180,8 @@ func (self *Block) RlpDataForStorage() interface{} {
// Header accessors (add as you need them)
func (self *Block) Number() *big.Int { return self.header.Number }
func (self *Block) NumberU64() uint64 { return self.header.Number.Uint64() }
+func (self *Block) MixDigest() []byte { return self.header.MixDigest }
+func (self *Block) SeedHash() []byte { return self.header.SeedHash }
func (self *Block) Nonce() []byte { return self.header.Nonce }
func (self *Block) Bloom() []byte { return self.header.Bloom }
func (self *Block) Coinbase() []byte { return self.header.Coinbase }
@@ -200,7 +206,6 @@ func (self *Block) GetUncle(i int) *Header {
// Implement pow.Block
func (self *Block) Difficulty() *big.Int { return self.header.Difficulty }
-func (self *Block) N() []byte { return self.header.Nonce }
func (self *Block) HashNoNonce() []byte { return self.header.HashNoNonce() }
func (self *Block) Hash() []byte {