fix the block completion race

1 files changed, 5 insertions, 0 deletions

diff --git a/coreth.go b/coreth.go
index 4d0c2ee..1d6b92e 100644
--- a/coreth.go
+++ b/coreth.go
@@ -17,6 +17,7 @@ import (
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/crypto"
 	"github.com/ethereum/go-ethereum/ethdb"
+	"github.com/ethereum/go-ethereum/event"
 	"github.com/ethereum/go-ethereum/trie"
 	//"github.com/ethereum/go-ethereum/event"
 	"github.com/ethereum/go-ethereum/log"
@@ -85,6 +86,10 @@ func (self *ETHChain) GenBlock() {
 	self.backend.Miner().GenBlock()
 }
 
+func (self *ETHChain) SubscribeNewMinedBlockEvent() *event.TypeMuxSubscription {
+	return self.backend.Miner().GetWorkerMux().Subscribe(core.NewMinedBlockEvent{})
+}
+
 func (self *ETHChain) VerifyBlock(block *types.Block) bool {
 	txnHash := types.DeriveSha(block.Transactions(), new(trie.Trie))
 	uncleHash := types.CalcUncleHash(block.Uncles())