synch

package
v0.10.2 Latest Latest
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 Go to latest Published: Jul 28, 2021 License: ISC Imports: 30 Imported by: 0

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Index

Constants

View Source 
const (

	// RPCGoodByeTopic defines the topic for the goodbye rpc method.
	RPCGoodByeTopic = "/qitmeer/req/goodbye/1"
	// RPCPingTopic defines the topic for the ping rpc method.
	RPCPingTopic = "/qitmeer/req/ping/1"
	// RPCMetaDataTopic defines the topic for the metadata rpc method.
	RPCMetaDataTopic = "/qitmeer/req/metadata/1"
	// RPCChainState defines the topic for the chain state rpc method.
	RPCChainState = "/qitmeer/req/chainstate/1"
	// RPCGetBlocks defines the topic for the get blocks rpc method.
	RPCGetBlocks = "/qitmeer/req/getblocks/1"
	// RPCGetBlockDatas defines the topic for the get blocks rpc method.
	RPCGetBlockDatas = "/qitmeer/req/getblockdatas/1"
	// RPCGetBlocks defines the topic for the get blocks rpc method.
	RPCSyncDAG = "/qitmeer/req/syncdag/1"
	// RPCTransaction defines the topic for the transaction rpc method.
	RPCTransaction = "/qitmeer/req/transaction/1"
	// RPCInventory defines the topic for the inventory rpc method.
	RPCInventory = "/qitmeer/req/inventory/1"
	// RPCGraphState defines the topic for the graphstate rpc method.
	RPCGraphState = "/qitmeer/req/graphstate/1"
	// RPCSyncQNR defines the topic for the syncqnr rpc method.
	RPCSyncQNR = "/qitmeer/req/syncqnr/1"
	// RPCGetMerkleBlocks defines the topic for the get merkle blocks rpc method.
	RPCGetMerkleBlocks = "/qitmeer/req/getmerkles/1"
	// RPCFilterAdd defines the topic for the filter add rpc method.
	RPCFilterAdd = "/qitmeer/req/filteradd/1"
	// RPCFilterClear defines the topic for the filter add rpc method.
	RPCFilterClear = "/qitmeer/req/filterclear/1"
	// RPCFilterLoad defines the topic for the filter add rpc method.
	RPCFilterLoad = "/qitmeer/req/filterload/1"
	// RPCMemPool defines the topic for the mempool rpc method.
	RPCMemPool = "/qitmeer/req/mempool/1"
	// RPCMemPool defines the topic for the getdata rpc method.
	RPCGetData = "/qitmeer/req/getdata/1"
)
View Source 
const BLOCKDATA_SSZ_HEAD_SIZE = 4
View Source 
const HandleTimeout = 5 * time.Second

HandleTimeout is the maximum time for complete handler.

View Source 
const MaxBlockLocatorsPerMsg = 2000

MaxBlockLocatorsPerMsg is the maximum number of block locator hashes allowed per message.

View Source 
const (
	// MaxInvPerMsg is the maximum number of inventory vectors that can be in a
	// single inv message.
	MaxInvPerMsg = 50000
)
View Source 
const (
	ReconnectionTime = time.Second * 30
)
View Source 
const ReqTimeout = 10 * time.Second

ReqTimeout is the maximum time for complete request transfer.

View Source 
const RespTimeout = 10 * time.Second

RespTimeout is the maximum time for complete response transfer.

View Source 
const TtfbTimeout = 5 * time.Second

Time to first byte timeout. The maximum time to wait for first byte of request response (time-to-first-byte). The client is expected to give up if they don't receive the first byte within 5 seconds.

Variables

View Source 
var (
	ErrPeerUnknown = common.NewError(common.ErrPeerUnknown, peers.ErrPeerUnknown)
)

Functions

func EncodeResponseMsg 

func EncodeResponseMsg(rpc common.P2PRPC, stream libp2pcore.Stream, msg interface{}, retCode common.ErrorCode) *common.Error

func ErrDAGConsensus 

func ErrDAGConsensus(err error) *common.Error

func ErrMessage 

func ErrMessage(err error) *common.Error

func NewInvVect 

func NewInvVect(typ InvType, hash *hash.Hash) *pb.InvVect

NewInvVect returns a new InvVect using the provided type and hash.

func ReadRspCode 

func ReadRspCode(stream io.Reader, encoding encoder.NetworkEncoding) (common.ErrorCode, string, error)

ReadRspCode response from a RPC stream.

func RegisterRPC 

func RegisterRPC(rpc common.P2PRPC, basetopic string, base interface{}, handle rpcHandler)

registerRPC for a given topic with an expected protobuf message type.

func Send 

func Send(ctx context.Context, rpc common.P2PRPC, message interface{}, baseTopic string, pid peer.ID) (network.Stream, error)

Send a message to a specific peer. The returned stream may be used for reading, but has been closed for writing.

func SetRPCStreamDeadlines 

func SetRPCStreamDeadlines(stream network.Stream)

SetRPCStreamDeadlines sets read and write deadlines for libp2p-based connection streams.

func SetStreamReadDeadline 

func SetStreamReadDeadline(stream network.Stream, duration time.Duration)

SetStreamReadDeadline for reading from libp2p connection streams, deciding when to close a connection based on a particular duration.

func SetStreamWriteDeadline 

func SetStreamWriteDeadline(stream network.Stream, duration time.Duration)

SetStreamWriteDeadline for writing to libp2p connection streams, deciding when to close a connection based on a particular duration.

func UseLogger 

func UseLogger(logger l.Logger)

UseLogger uses a specified Logger to output package logging info.

Types

type ConnectedMsg 

type ConnectedMsg struct {
	ID   peer.ID
	Conn network.Conn
}

type DisconnectedMsg 

type DisconnectedMsg struct {
	ID   peer.ID
	Conn network.Conn
}

type GetBlockDatasMsg 

type GetBlockDatasMsg struct {
	// contains filtered or unexported fields
}

type GetBlocksMsg 

type GetBlocksMsg struct {
	// contains filtered or unexported fields
}

type GetDatasMsg 

type GetDatasMsg struct {
	// contains filtered or unexported fields
}

type InvType 

type InvType uint32

InvType represents the allowed types of inventory vectors. See InvVect. 

const (
	InvTypeError         InvType = 0
	InvTypeTx            InvType = 1
	InvTypeBlock         InvType = 2
	InvTypeFilteredBlock InvType = 3
)

These constants define the various supported inventory vector types.

func (InvType) String 

func (invtype InvType) String() string

String returns the InvType in human-readable form.

func (InvType) Value 

func (invtype InvType) Value() uint32

type MsgMemPool 

type MsgMemPool struct{}

MsgMemPool implements the Message interface and represents a bitcoin mempool message. It is used to request a list of transactions still in the active memory pool of a relay.

This message has no payload and was not added until protocol versions

func (*MsgMemPool) MaxPayloadLength 

func (msg *MsgMemPool) MaxPayloadLength(pver uint32) uint32

MaxPayloadLength returns the maximum length the payload can be for the receiver. This is part of the Message interface implementation.

type OnFilterAddMsg 

type OnFilterAddMsg struct {
	// contains filtered or unexported fields
}

type OnFilterClearMsg 

type OnFilterClearMsg struct {
	// contains filtered or unexported fields
}

type OnFilterLoadMsg 

type OnFilterLoadMsg struct {
	// contains filtered or unexported fields
}

type OnMsgMemPool 

type OnMsgMemPool struct {
	// contains filtered or unexported fields
}

type PeerSync 

type PeerSync struct {
	// contains filtered or unexported fields
}

func NewPeerSync 

func NewPeerSync(sy *Sync) *PeerSync

func (*PeerSync) Chain 

func (ps *PeerSync) Chain() *blockchain.BlockChain

func (*PeerSync) Connected 

func (ps *PeerSync) Connected(pid peer.ID, conn network.Conn)

func (*PeerSync) Connection 

func (ps *PeerSync) Connection(pe *peers.Peer)

func (*PeerSync) Disconnect 

func (ps *PeerSync) Disconnect(pe *peers.Peer)

func (*PeerSync) Disconnected 

func (ps *PeerSync) Disconnected(pid peer.ID, conn network.Conn)

func (*PeerSync) EnforceNodeBloomFlag 

func (ps *PeerSync) EnforceNodeBloomFlag(sp *peers.Peer) bool

EnforceNodeBloomFlag disconnects the peer if the server is not configured to allow bloom filters. Additionally, if the peer has negotiated to a protocol version that is high enough to observe the bloom filter service support bit, it will be banned since it is intentionally violating the protocol.

func (*PeerSync) GetBlockDatas 

func (ps *PeerSync) GetBlockDatas(pe *peers.Peer, blocks []*hash.Hash)

func (*PeerSync) GetBlocks 

func (ps *PeerSync) GetBlocks(pe *peers.Peer, blocks []*hash.Hash)

func (*PeerSync) HasSyncPeer 

func (ps *PeerSync) HasSyncPeer() bool

func (*PeerSync) IntellectSyncBlocks 

func (ps *PeerSync) IntellectSyncBlocks(refresh bool)

func (*PeerSync) IsCompleteForSyncPeer 

func (ps *PeerSync) IsCompleteForSyncPeer() bool

func (*PeerSync) IsCurrent 

func (ps *PeerSync) IsCurrent() bool

IsCurrent returns true if we believe we are synced with our peers, false if we still have blocks to check

func (*PeerSync) LookupNode 

func (ps *PeerSync) LookupNode(pe *peers.Peer, qnr string) error

func (*PeerSync) OnFilterAdd 

func (ps *PeerSync) OnFilterAdd(sp *peers.Peer, msg *types.MsgFilterAdd)

OnFilterAdd is invoked when a peer receives a filteradd qitmeer message and is used by remote peers to add data to an already loaded bloom filter. The peer will be disconnected if a filter is not loaded when this message is received or the server is not configured to allow bloom filters.

func (*PeerSync) OnFilterClear 

func (ps *PeerSync) OnFilterClear(sp *peers.Peer, msg *types.MsgFilterClear)

OnFilterClear is invoked when a peer receives a filterclear qitmeer message and is used by remote peers to clear an already loaded bloom filter. The peer will be disconnected if a filter is not loaded when this message is received or the server is not configured to allow bloom filters.

func (*PeerSync) OnFilterLoad 

func (ps *PeerSync) OnFilterLoad(sp *peers.Peer, msg *types.MsgFilterLoad)

OnFilterLoad is invoked when a peer receives a filterload qitmeer message and it used to load a bloom filter that should be used for delivering merkle blocks and associated transactions that match the filter. The peer will be disconnected if the server is not configured to allow bloom filters.

func (*PeerSync) OnGetData 

func (ps *PeerSync) OnGetData(sp *peers.Peer, invList []*pb.InvVect) error

handleGetData is invoked when a peer receives a getdata qitmeer message and is used to deliver block and transaction information.

func (*PeerSync) OnMemPool 

func (ps *PeerSync) OnMemPool(sp *peers.Peer, msg *MsgMemPool)

OnMemPool is invoked when a peer receives a mempool qitmeer message. It creates and sends an inventory message with the contents of the memory pool up to the maximum inventory allowed per message. When the peer has a bloom filter loaded, the contents are filtered accordingly.

func (*PeerSync) OnPeerConnected 

func (ps *PeerSync) OnPeerConnected(pe *peers.Peer)

func (*PeerSync) OnPeerDisconnected 

func (ps *PeerSync) OnPeerDisconnected(pe *peers.Peer)

func (*PeerSync) OnPeerUpdate 

func (ps *PeerSync) OnPeerUpdate(pe *peers.Peer, orphan bool)

func (*PeerSync) Pause 

func (ps *PeerSync) Pause() chan<- struct{}

func (*PeerSync) PeerUpdate 

func (ps *PeerSync) PeerUpdate(pe *peers.Peer, orphan bool)

func (*PeerSync) RelayInventory 

func (ps *PeerSync) RelayInventory(data interface{})

func (*PeerSync) SetSyncPeer 

func (ps *PeerSync) SetSyncPeer(pe *peers.Peer)

func (*PeerSync) Start 

func (ps *PeerSync) Start() error

func (*PeerSync) Stop 

func (ps *PeerSync) Stop() error

func (*PeerSync) SyncPeer 

func (ps *PeerSync) SyncPeer() *peers.Peer

func (*PeerSync) SyncQNR 

func (ps *PeerSync) SyncQNR(pe *peers.Peer, qnr string)

func (*PeerSync) UpdateGraphState 

func (ps *PeerSync) UpdateGraphState(pe *peers.Peer)

type PeerUpdateMsg 

type PeerUpdateMsg struct {
	// contains filtered or unexported fields
}

type Sync 

type Sync struct {
	PeerInterval time.Duration
	// contains filtered or unexported fields
}

func NewSync 

func NewSync(p2p common.P2P) *Sync

func (*Sync) AddConnectionHandler 

func (s *Sync) AddConnectionHandler()

AddConnectionHandler adds a callback function which handles the connection with a newly added peer. It performs a handshake with that peer by sending a hello request and validating the response from the peer.

func (*Sync) AddDisconnectionHandler 

func (s *Sync) AddDisconnectionHandler()

AddDisconnectionHandler disconnects from peers. It handles updating the peer status. This also calls the handler responsible for maintaining other parts of the sync or p2p system.

func (*Sync) EncodeResponseMsg 

func (s *Sync) EncodeResponseMsg(stream libp2pcore.Stream, msg interface{}) *common.Error

func (*Sync) EncodeResponseMsgPro added in v0.10.2 

func (s *Sync) EncodeResponseMsgPro(stream libp2pcore.Stream, msg interface{}, retCode common.ErrorCode) *common.Error

func (*Sync) Encoding 

func (s *Sync) Encoding() encoder.NetworkEncoding

func (*Sync) GetDataHandler 

func (s *Sync) GetDataHandler(ctx context.Context, msg interface{}, stream libp2pcore.Stream) *common.Error

func (*Sync) HandlerFilterMsgAdd 

func (s *Sync) HandlerFilterMsgAdd(ctx context.Context, msg interface{}, stream libp2pcore.Stream) *common.Error

func (*Sync) HandlerFilterMsgClear 

func (s *Sync) HandlerFilterMsgClear(ctx context.Context, msg interface{}, stream libp2pcore.Stream) *common.Error

func (*Sync) HandlerFilterMsgLoad 

func (s *Sync) HandlerFilterMsgLoad(ctx context.Context, msg interface{}, stream libp2pcore.Stream) *common.Error

func (*Sync) HandlerMemPool 

func (s *Sync) HandlerMemPool(ctx context.Context, msg interface{}, stream libp2pcore.Stream) *common.Error

func (*Sync) LookupNode 

func (s *Sync) LookupNode(pe *peers.Peer, peNode *qnode.Node)

func (*Sync) PeerSync 

func (s *Sync) PeerSync() *PeerSync

func (*Sync) Peers 

func (s *Sync) Peers() *peers.Status

Peers returns the peer status interface.

func (*Sync) QNRHandler 

func (s *Sync) QNRHandler(ctx context.Context, msg interface{}, stream libp2pcore.Stream) *common.Error

func (*Sync) Send 

func (s *Sync) Send(ctx context.Context, message interface{}, baseTopic string, pid peer.ID) (network.Stream, error)

Send a message to a specific peer. The returned stream may be used for reading, but has been closed for writing.

func (*Sync) SendPingRequest 

func (s *Sync) SendPingRequest(ctx context.Context, id peer.ID) error

func (*Sync) SetStreamHandler 

func (s *Sync) SetStreamHandler(topic string, handler network.StreamHandler)

SetStreamHandler sets the protocol handler on the p2p host multiplexer. This method is a pass through to libp2pcore.Host.SetStreamHandler.

func (*Sync) Start 

func (s *Sync) Start() error

func (*Sync) Stop 

func (s *Sync) Stop() error

func (*Sync) UpdateChainState 

func (s *Sync) UpdateChainState(pe *peers.Peer, chainState *pb.ChainState, action bool)

type SyncQNRMsg 

type SyncQNRMsg struct {
	// contains filtered or unexported fields
}

type UpdateGraphStateMsg 

type UpdateGraphStateMsg struct {
	// contains filtered or unexported fields
}

Source Files

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