长安链源码分析同步服务器 1

//BlockChainSyncServer Service for synchronizing blocks//区块链同步服务器type BlockChainSyncServer struct {   //链id   chainId string   // receive/broadcast messages from net module   //网络模块，接收和广播消息   net protocol.NetService   // receive/broadcast messages from internal modules   //消息模块，接收和广播消息   msgBus msgbus.MessageBus   // The module that provides blocks storage/query   //区块链存储器，提供存储和查询功能   blockChainStore protocol.BlockchainStore   // Provides the latest chain state for the node   //账本缓存  提供节点最近的链状态   ledgerCache protocol.LedgerCache   // Verify Block Validity   //验证区块有效性   blockVerifier protocol.BlockVerifier   // Adds a validated block to the chain to update the state of the chain   //添加一个有效的区块到链，更新链的状态   blockCommitter protocol.BlockCommitter   //日志   log protocol.Logger   // The configuration in sync module   //同步模块配置   conf *BlockSyncServerConf   // Identification of module startup   //启动标志   start int32   // Identification of module close   //关闭通道标志   close chan bool   // Service that get blocks from other nodes   //从其他节点获取区块   scheduler *Routine   // Service that processes block data, adding valid blocks to the chain   //处理区块数据，添加有效区块到链   processor *Routine   // ignore repeat block sync request when in process   //忽视重复的区块同步请求   requestCache sync.Map   //If the synced block height reaches the conf.minLabValue put a event to this channel   //如果同步区块高度达到了最小的值，会发送一个事件到这个通道   minLagReachC chan struct{}   //if a synced block is committed to local ledger put a event to this channel   //如果同步区块被提交到了本地账本，会发送一个事件到这个通道   commitBlockC chan struct{}}