本文整理汇总了Golang中github.com/expanse-project/go-expanse/core.BlockChain.Genesis方法的典型用法代码示例。如果您正苦于以下问题：Golang BlockChain.Genesis方法的具体用法？Golang BlockChain.Genesis怎么用？Golang BlockChain.Genesis使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类github.com/expanse-project/go-expanse/core.BlockChain的用法示例。
在下文中一共展示了BlockChain.Genesis方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Golang代码示例。
示例1: NewProtocolManager
// NewProtocolManager returns a new expanse sub protocol manager. The Expanse sub protocol manages peers capable
// with the expanse network.
func NewProtocolManager(config *core.ChainConfig, fastSync bool, networkId int, mux *event.TypeMux, txpool txPool, pow pow.PoW, blockchain *core.BlockChain, chaindb ethdb.Database) (*ProtocolManager, error) {
// Create the protocol manager with the base fields
manager := &ProtocolManager{
networkId: networkId,
eventMux: mux,
txpool: txpool,
blockchain: blockchain,
chaindb: chaindb,
chainconfig: config,
peers: newPeerSet(),
newPeerCh: make(chan *peer),
noMorePeers: make(chan struct{}),
txsyncCh: make(chan *txsync),
quitSync: make(chan struct{}),
}
// Figure out whether to allow fast sync or not
if fastSync && blockchain.CurrentBlock().NumberU64() > 0 {
glog.V(logger.Info).Infof("blockchain not empty, fast sync disabled")
fastSync = false
}
if fastSync {
manager.fastSync = uint32(1)
}
// Initiate a sub-protocol for every implemented version we can handle
manager.SubProtocols = make([]p2p.Protocol, 0, len(ProtocolVersions))
for i, version := range ProtocolVersions {
// Skip protocol version if incompatible with the mode of operation
if fastSync && version < eth63 {
continue
}
// Compatible; initialise the sub-protocol
version := version // Closure for the run
manager.SubProtocols = append(manager.SubProtocols, p2p.Protocol{
Name: ProtocolName,
Version: version,
Length: ProtocolLengths[i],
Run: func(p *p2p.Peer, rw p2p.MsgReadWriter) error {
peer := manager.newPeer(int(version), p, rw)
select {
case manager.newPeerCh <- peer:
manager.wg.Add(1)
defer manager.wg.Done()
return manager.handle(peer)
case <-manager.quitSync:
return p2p.DiscQuitting
}
},
NodeInfo: func() interface{} {
return manager.NodeInfo()
},
PeerInfo: func(id discover.NodeID) interface{} {
if p := manager.peers.Peer(fmt.Sprintf("%x", id[:8])); p != nil {
return p.Info()
}
return nil
},
})
}
if len(manager.SubProtocols) == 0 {
return nil, errIncompatibleConfig
}
// Construct the different synchronisation mechanisms
manager.downloader = downloader.New(chaindb, manager.eventMux, blockchain.HasHeader, blockchain.HasBlockAndState, blockchain.GetHeader,
blockchain.GetBlock, blockchain.CurrentHeader, blockchain.CurrentBlock, blockchain.CurrentFastBlock, blockchain.FastSyncCommitHead,
blockchain.GetTd, blockchain.InsertHeaderChain, manager.insertChain, blockchain.InsertReceiptChain, blockchain.Rollback,
manager.removePeer)
validator := func(block *types.Block, parent *types.Block) error {
return core.ValidateHeader(config, pow, block.Header(), parent.Header(), true, false)
}
heighter := func() uint64 {
return blockchain.CurrentBlock().NumberU64()
}
inserter := func(blocks types.Blocks) (int, error) {
atomic.StoreUint32(&manager.synced, 1) // Mark initial sync done on any fetcher import
return manager.insertChain(blocks)
}
manager.fetcher = fetcher.New(blockchain.GetBlock, validator, manager.BroadcastBlock, heighter, inserter, manager.removePeer)
if blockchain.Genesis().Hash().Hex() == defaultGenesisHash && networkId == 1 {
glog.V(logger.Debug).Infoln("Bad Block Reporting is enabled")
manager.badBlockReportingEnabled = true
}
return manager, nil
}