dht

Documentation

Overview

Package dht 基于libp2p实现p2p 插件

Index

• func GenPrivPubkey() ([]byte, []byte, error)
• func GenPubkey(key string) (string, error)
• func New(mgr *p2p.Manager, subCfg []byte) p2p.IP2P
• func PeerIDToPubkey(id string) (string, error)
• type AddrBook
  • func NewAddrBook(cfg *types.P2P) *AddrBook
  • func (a *AddrBook) AddrsInfo() []peer.AddrInfo
  • func (a *AddrBook) GetPrivPubKey() (string, string)
  • func (a *AddrBook) GetPrivkey() crypto.PrivKey
  • func (a *AddrBook) Randkey() crypto.PrivKey
  • func (a *AddrBook) SaveAddr(addrinfos []peer.AddrInfo) error
  • func (a *AddrBook) StoreHostID(id peer.ID, path string)
• type Discovery
  • func InitDhtDiscovery(ctx context.Context, host host.Host, peersInfo []peer.AddrInfo, ...) *Discovery
  • func (d *Discovery) Close() error
  • func (d *Discovery) CloseFindLANPeers()
  • func (d *Discovery) FindLANPeers(host host.Host, serviceTag string) (<-chan peer.AddrInfo, error)
  • func (d *Discovery) FindLocalPeer(pid peer.ID) peer.AddrInfo
  • func (d *Discovery) FindLocalPeers(pids []peer.ID) []peer.AddrInfo
  • func (d *Discovery) FindNearestPeers(pid peer.ID, count int) []peer.ID
  • func (d *Discovery) FindSpecialPeer(pid peer.ID) (*peer.AddrInfo, error)
  • func (d *Discovery) ListPeers() []peer.ID
  • func (d *Discovery) Remove(pid peer.ID)
  • func (d *Discovery) RoutingTable() *kbt.RoutingTable
  • func (d *Discovery) Start()
  • func (d *Discovery) Update(pid peer.ID) error
• type P2P
  • func (p *P2P) CloseP2P()
  • func (p *P2P) StartP2P()

Functions

func GenPrivPubkey

func GenPrivPubkey() ([]byte, []byte, error)

GenPrivPubkey return key and pubkey in bytes

func GenPubkey

func GenPubkey(key string) (string, error)

GenPubkey generate public key

func New

func New(mgr *p2p.Manager, subCfg []byte) p2p.IP2P

New new dht p2p network

func PeerIDToPubkey

func PeerIDToPubkey(id string) (string, error)

PeerIDToPubkey 提供节点ID转换为pubkey,进而通过pubkey创建chain 地址的功能

Types

type AddrBook

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

AddrBook peer address manager

func NewAddrBook

func NewAddrBook(cfg *types.P2P) *AddrBook

NewAddrBook new addr book

func (*AddrBook) AddrsInfo

func (a *AddrBook) AddrsInfo() []peer.AddrInfo

AddrsInfo get addr infos

func (*AddrBook) GetPrivPubKey

func (a *AddrBook) GetPrivPubKey() (string, string)

GetPrivPubKey return privkey and pubkey

func (*AddrBook) GetPrivkey

func (a *AddrBook) GetPrivkey() crypto.PrivKey

GetPrivkey get private key

func (*AddrBook) Randkey

func (a *AddrBook) Randkey() crypto.PrivKey

Randkey Rand keypair

func (*AddrBook) SaveAddr

func (a *AddrBook) SaveAddr(addrinfos []peer.AddrInfo) error

SaveAddr save addr

func (*AddrBook) StoreHostID

func (a *AddrBook) StoreHostID(id peer.ID, path string)

StoreHostID store host id into file

type Discovery

type Discovery struct {
	RoutingDiscovery *rout.RoutingDiscovery
	// contains filtered or unexported fields
}

Discovery dht rout

func InitDhtDiscovery

func InitDhtDiscovery(ctx context.Context, host host.Host, peersInfo []peer.AddrInfo, chainCfg *types.ChainConfig, subCfg *p2pty.P2PSubConfig) *Discovery

InitDhtDiscovery init dht rout

func (*Discovery) Close

func (d *Discovery) Close() error

Close close the dht

func (*Discovery) CloseFindLANPeers

func (d *Discovery) CloseFindLANPeers()

CloseFindLANPeers close peers

func (*Discovery) FindLANPeers

func (d *Discovery) FindLANPeers(host host.Host, serviceTag string) (<-chan peer.AddrInfo, error)

FindLANPeers 查找局域网内的其他节点

func (*Discovery) FindLocalPeer

func (d *Discovery) FindLocalPeer(pid peer.ID) peer.AddrInfo

FindLocalPeer 根据pid 查找当前DHT内部的peer信息

func (*Discovery) FindLocalPeers

func (d *Discovery) FindLocalPeers(pids []peer.ID) []peer.AddrInfo

FindLocalPeers find local peers

func (*Discovery) FindNearestPeers

func (d *Discovery) FindNearestPeers(pid peer.ID, count int) []peer.ID

FindNearestPeers find nearest peers

func (*Discovery) FindSpecialPeer

func (d *Discovery) FindSpecialPeer(pid peer.ID) (*peer.AddrInfo, error)

FindSpecialPeer 根据指定的peerID ,查找指定的peer,

func (*Discovery) ListPeers

func (d *Discovery) ListPeers() []peer.ID

ListPeers routingTable 路由表的节点信息

func (*Discovery) Remove

func (d *Discovery) Remove(pid peer.ID)

Remove remove peer

func (*Discovery) RoutingTable

func (d *Discovery) RoutingTable() *kbt.RoutingTable

RoutingTable get routing table

func (*Discovery) Start

func (d *Discovery) Start()

Start the dht

func (*Discovery) Update

func (d *Discovery) Update(pid peer.ID) error

Update update peer

type P2P

type P2P struct {
	// contains filtered or unexported fields
}

P2P p2p struct

func (*P2P) CloseP2P

func (p *P2P) CloseP2P()

CloseP2P close p2p

func (*P2P) StartP2P

func (p *P2P) StartP2P()

StartP2P start p2p