Fix explorer handler

node/node_explorer.go

@@ -99,32 +99,25 @@ func (node *Node) ExplorerMessageHandler(payload []byte) {
 }
 
 // AddNewBlockForExplorer add new block for explorer.
-func (node *Node) AddNewBlockForExplorer() {
+func (node *Node) AddNewBlockForExplorer(block *types.Block) {
 	utils.Logger().Debug().Msg("[Explorer] Add new block for explorer")
 	// Search for the next block in PbftLog and commit the block into blockchain for explorer node.
 	for {
-		blocks := node.Consensus.PbftLog.GetBlocksByNumber(node.Blockchain().CurrentBlock().NumberU64() + 1)
-		if len(blocks) == 0 {
-			break
-		} else {
-			if len(blocks) > 1 {
-				utils.Logger().Error().Msg("[Explorer] We should have not received more than one block with the same block height.")
-			}
-			utils.Logger().Debug().Uint64("blockHeight", blocks[0].NumberU64()).Msg("Adding new block for explorer node")
-			if err := node.AddNewBlock(blocks[0]); err == nil {
-				if core.IsEpochLastBlock(blocks[0]) {
+		utils.Logger().Debug().Uint64("blockHeight", block.NumberU64()).Msg("Adding new block for explorer node")
+		if err := node.AddNewBlock(block); err == nil {
+			if core.IsEpochLastBlock(block) {
 				node.Consensus.UpdateConsensusInformation()
 			}
 			// Clean up the blocks to avoid OOM.
-				node.Consensus.PbftLog.DeleteBlockByNumber(blocks[0].NumberU64())
+			node.Consensus.PbftLog.DeleteBlockByNumber(block.NumberU64())
 			// Do dump all blocks from state syncing for explorer one time
 			// TODO: some blocks can be dumped before state syncing finished.
 			// And they would be dumped again here. Please fix it.
 			once.Do(func() {
-					utils.Logger().Info().Int64("starting height", int64(blocks[0].NumberU64())-1).
+				utils.Logger().Info().Int64("starting height", int64(block.NumberU64())-1).
 					Msg("[Explorer] Populating explorer data from state synced blocks")
 				go func() {
-						for blockHeight := int64(blocks[0].NumberU64()) - 1; blockHeight >= 0; blockHeight-- {
+					for blockHeight := int64(block.NumberU64()) - 1; blockHeight >= 0; blockHeight-- {
 						explorer.GetStorageInstance(node.SelfPeer.IP, node.SelfPeer.Port, true).Dump(
 							node.Blockchain().GetBlockByNumber(uint64(blockHeight)), uint64(blockHeight))
 					}
@@ -134,7 +127,6 @@ func (node *Node) AddNewBlockForExplorer() {
 			utils.Logger().Error().Err(err).Msg("[Explorer] Error when adding new block for explorer node")
 		}
 	}
-	}
 }
 
 // ExplorerMessageHandler passes received message in node_handler to explorer service.