core: fix 'failed to pre process block' message if unknown block is confirmed (#495)

1 files changed, 6 insertions, 0 deletions

diff --git a/core/agreement.go b/core/agreement.go
index 43fddd0..b0c7734 100644
--- a/core/agreement.go
+++ b/core/agreement.go
@@ -533,6 +533,10 @@ func (a *agreement) done() <-chan struct{} {
 func (a *agreement) confirmed() bool {
 	a.lock.RLock()
 	defer a.lock.RUnlock()
+	return a.confirmedNoLock()
+}
+
+func (a *agreement) confirmedNoLock() bool {
 	return a.hasOutput
 }
 
@@ -556,6 +560,8 @@ func (a *agreement) processBlock(block *types.Block) error {
 			receivedTime: time.Now().UTC(),
 		})
 		return nil
+	} else if a.confirmedNoLock() {
+		return nil
 	}
 	if b, exist := a.data.blocks[block.ProposerID]; exist {
 		if b.Hash != block.Hash {