core: only fire one chain head per batch (#15123)

* core: only fire one chain head per batch * miner: announce chan events synchronously
2017-09-11 13:13:05 +03:00
parent 5596b664c4
commit 10b3f97c9d
3 changed files with 63 additions and 67 deletions
--- a/core/blockchain_test.go
+++ b/core/blockchain_test.go
@ -935,7 +935,7 @@ func TestReorgSideEvent(t *testing.T) {
 		}
 		gen.AddTx(tx)
 	})
-	chainSideCh := make(chan ChainSideEvent)
+	chainSideCh := make(chan ChainSideEvent, 64)
 	blockchain.SubscribeChainSideEvent(chainSideCh)
 	if _, err := blockchain.InsertChain(replacementBlocks); err != nil {
 		t.Fatalf("failed to insert chain: %v", err)