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authorPéter Szilágyi <peterke@gmail.com>2016-07-08 23:48:17 +0800
committerPéter Szilágyi <peterke@gmail.com>2016-07-15 21:52:55 +0800
commita87089fd2dc08a69a4a4f1ef93db9a2871d819a3 (patch)
treeb1634faefc24ee8b80b9ad9c06ac8df7f409558b /miner
parent1e24c2e4f428c85c2f83272af2696469cb8f5bed (diff)
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cmd, core, miner: add extradata validation to consensus rules
Diffstat (limited to 'miner')
-rw-r--r--miner/worker.go10
1 files changed, 8 insertions, 2 deletions
diff --git a/miner/worker.go b/miner/worker.go
index 7197a33ba..ba0085d52 100644
--- a/miner/worker.go
+++ b/miner/worker.go
@@ -17,6 +17,7 @@
package miner
import (
+ "bytes"
"fmt"
"math/big"
"sync"
@@ -469,12 +470,17 @@ func (self *worker) commitNewWork() {
Extra: self.extra,
Time: big.NewInt(tstamp),
}
- // If we are doing a DAO hard-fork check whether to override the extra-data or not
+ // If we are care about TheDAO hard-fork check whether to override the extra-data or not
if daoBlock := self.config.DAOForkBlock; daoBlock != nil {
// Check whether the block is among the fork extra-override range
limit := new(big.Int).Add(daoBlock, params.DAOForkExtraRange)
if daoBlock.Cmp(header.Number) <= 0 && header.Number.Cmp(limit) < 0 {
- header.Extra = common.CopyBytes(params.DAOForkBlockExtra)
+ // Depending whether we support or oppose the fork, override differently
+ if self.config.DAOForkSupport {
+ header.Extra = common.CopyBytes(params.DAOForkBlockExtra)
+ } else if bytes.Compare(header.Extra, params.DAOForkBlockExtra) == 0 {
+ header.Extra = []byte{} // If miner opposes, don't let it use the reserved extra-data
+ }
}
}
previous := self.current