p2p

package
v0.1.26-alpha Latest Latest
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 Go to latest Published: Jun 13, 2023 License: AGPL-3.0 Imports: 29 Imported by: 0

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Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func Listen added in v0.1.21 

func Listen(ln *enode.LocalNode) (*net.UDPConn, error)

func LogMessageCount added in v0.1.21 

func LogMessageCount(count *MessageCount, ticker *time.Ticker)

LogMessageCount will log the message counts and reset them based on the ticker. This should be called as with a goroutine or it will block indefinitely.

func ParseBootnodes 

func ParseBootnodes(bootnodes string) ([]*enode.Node, error)

ParseBootnodes parses the bootnodes string and returns a node slice.

func ParseNode 

func ParseNode(source string) (*enode.Node, error)

ParseNode parses a node record and verifies its signature.

func WriteNodesJSON 

func WriteNodesJSON(file string, nodes NodeSet) error

Types

type AccountRange 

type AccountRange snap.AccountRangePacket

func (AccountRange) Code 

func (msg AccountRange) Code() int

func (AccountRange) ReqID 

func (msg AccountRange) ReqID() uint64

type BlockBodies 

type BlockBodies eth.BlockBodiesPacket66

BlockBodies is the network packet for block content distribution.

func (BlockBodies) Code 

func (msg BlockBodies) Code() int

func (BlockBodies) ReqID 

func (msg BlockBodies) ReqID() uint64

type BlockHeaders 

type BlockHeaders eth.BlockHeadersPacket66

func (BlockHeaders) Code 

func (msg BlockHeaders) Code() int

func (BlockHeaders) ReqID 

func (msg BlockHeaders) ReqID() uint64

type ByteCodes 

type ByteCodes snap.ByteCodesPacket

func (ByteCodes) Code 

func (msg ByteCodes) Code() int

func (ByteCodes) ReqID 

func (msg ByteCodes) ReqID() uint64

type Conn 

type Conn struct {
	*rlpx.Conn
	SensorID string
	// contains filtered or unexported fields
}

Conn represents an individual connection with a peer

func Dial 

func Dial(n *enode.Node) (*Conn, error)

Dial attempts to Dial the given node and perform a handshake, returning the created Conn if successful.

func (*Conn) Peer 

func (c *Conn) Peer() (*Hello, *Status, error)

Peer performs both the protocol handshake and the status message exchange with the node in order to Peer with it.

func (*Conn) Read 

func (c *Conn) Read() Message

Read reads an eth66 packet from the connection.

func (*Conn) ReadAndServe added in v0.1.21 

func (c *Conn) ReadAndServe(db database.Database, count *MessageCount) error

ReadAndServe reads messages from peers and writes it to a database.

func (*Conn) ReadSnap 

func (c *Conn) ReadSnap(id uint64) (Message, error)

ReadSnap reads a snap/1 response with the given id from the connection.

func (*Conn) Write 

func (c *Conn) Write(msg Message) error

Write writes a eth packet to the connection.

type Disconnect 

type Disconnect struct {
	Reason p2p.DiscReason
}

Disconnect is the RLP structure for a disconnect message.

func (Disconnect) Code 

func (msg Disconnect) Code() int

func (Disconnect) ReqID 

func (msg Disconnect) ReqID() uint64

type Disconnects 

type Disconnects []p2p.DiscReason

Disconnects is the RLP structure for disconnect messages.

func (Disconnects) Code 

func (msg Disconnects) Code() int

func (Disconnects) ReqID 

func (msg Disconnects) ReqID() uint64

type Error 

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

func (*Error) Code 

func (e *Error) Code() int

func (*Error) Error 

func (e *Error) Error() string

func (*Error) ReqID 

func (e *Error) ReqID() uint64

func (*Error) String 

func (e *Error) String() string

func (*Error) Unwrap 

func (e *Error) Unwrap() error

type GetAccountRange 

type GetAccountRange snap.GetAccountRangePacket

GetAccountRange represents an account range query.

func (GetAccountRange) Code 

func (msg GetAccountRange) Code() int

func (GetAccountRange) ReqID 

func (msg GetAccountRange) ReqID() uint64

type GetBlockBodies 

type GetBlockBodies eth.GetBlockBodiesPacket66

GetBlockBodies represents a GetBlockBodies request

func (GetBlockBodies) Code 

func (msg GetBlockBodies) Code() int

func (GetBlockBodies) ReqID 

func (msg GetBlockBodies) ReqID() uint64

type GetBlockHeaders 

type GetBlockHeaders eth.GetBlockHeadersPacket66

GetBlockHeaders represents a block header query.

func (GetBlockHeaders) Code 

func (msg GetBlockHeaders) Code() int

func (GetBlockHeaders) ReqID 

func (msg GetBlockHeaders) ReqID() uint64

type GetByteCodes 

type GetByteCodes snap.GetByteCodesPacket

func (GetByteCodes) Code 

func (msg GetByteCodes) Code() int

func (GetByteCodes) ReqID 

func (msg GetByteCodes) ReqID() uint64

type GetPooledTransactions 

type GetPooledTransactions eth.GetPooledTransactionsPacket66

func (GetPooledTransactions) Code 

func (msg GetPooledTransactions) Code() int

func (GetPooledTransactions) ReqID 

func (msg GetPooledTransactions) ReqID() uint64

type GetStorageRanges 

type GetStorageRanges snap.GetStorageRangesPacket

func (GetStorageRanges) Code 

func (msg GetStorageRanges) Code() int

func (GetStorageRanges) ReqID 

func (msg GetStorageRanges) ReqID() uint64

type GetTrieNodes 

type GetTrieNodes snap.GetTrieNodesPacket

func (GetTrieNodes) Code 

func (msg GetTrieNodes) Code() int

func (GetTrieNodes) ReqID 

func (msg GetTrieNodes) ReqID() uint64

type Hello 

type Hello struct {
	Version    uint64
	Name       string
	Caps       []p2p.Cap
	ListenPort uint64
	ID         []byte // secp256k1 public key

	// Ignore additional fields (for forward compatibility).
	Rest []rlp.RawValue `rlp:"tail"`
}

Hello is the RLP structure of the protocol handshake.

func (Hello) Code 

func (msg Hello) Code() int

func (Hello) ReqID 

func (msg Hello) ReqID() uint64

type Message 

type Message interface {
	Code() int
	ReqID() uint64
}

type MessageCount added in v0.1.21 

type MessageCount struct {
	BlockHeaders        int32 `json:",omitempty"`
	BlockBodies         int32 `json:",omitempty"`
	Blocks              int32 `json:",omitempty"`
	BlockHashes         int32 `json:",omitempty"`
	BlockHeaderRequests int32 `json:",omitempty"`
	BlockBodiesRequests int32 `json:",omitempty"`
	Transactions        int32 `json:",omitempty"`
	TransactionHashes   int32 `json:",omitempty"`
	TransactionRequests int32 `json:",omitempty"`
	Pings               int32 `json:",omitempty"`
	Errors              int32 `json:",omitempty"`
	Disconnects         int32 `json:",omitempty"`
}

MessageCount is used to help the outer goroutine to receive summary of the number and type of messages that were sent. This is used for distributed logging. It can be used to count the different types of messages received across all peer connections to provide a summary.

type NewBlock 

type NewBlock eth.NewBlockPacket

NewBlock is the network packet for the block propagation message.

func (NewBlock) Code 

func (msg NewBlock) Code() int

func (NewBlock) ReqID 

func (msg NewBlock) ReqID() uint64

type NewBlockHashes 

type NewBlockHashes eth.NewBlockHashesPacket

NewBlockHashes is the network packet for the block announcements.

func (NewBlockHashes) Code 

func (msg NewBlockHashes) Code() int

func (NewBlockHashes) ReqID 

func (msg NewBlockHashes) ReqID() uint64

type NewPooledTransactionHashes added in v0.1.21 

type NewPooledTransactionHashes struct {
	Types  []byte
	Sizes  []uint32
	Hashes []common.Hash
}

NewPooledTransactionHashes is the network packet for the tx hash propagation message.

func (NewPooledTransactionHashes) Code added in v0.1.21 

func (msg NewPooledTransactionHashes) Code() int

func (NewPooledTransactionHashes) ReqID added in v0.1.21 

func (msg NewPooledTransactionHashes) ReqID() uint64

type NewPooledTransactionHashes66 added in v0.1.21 

type NewPooledTransactionHashes66 []common.Hash

NewPooledTransactionHashes66 is the network packet for the tx hash propagation message.

func (NewPooledTransactionHashes66) Code added in v0.1.21 

func (msg NewPooledTransactionHashes66) Code() int

func (NewPooledTransactionHashes66) ReqID added in v0.1.21 

func (msg NewPooledTransactionHashes66) ReqID() uint64

type NodeJSON 

type NodeJSON struct {
	Seq uint64      `json:"seq"`
	N   *enode.Node `json:"record"`

	// The score tracks how many liveness checks were performed. It is incremented by one
	// every time the node passes a check, and halved every time it doesn't.
	Score int `json:"score,omitempty"`
	// These two track the time of last successful contact.
	FirstResponse time.Time `json:"firstResponse,omitempty"`
	LastResponse  time.Time `json:"lastResponse,omitempty"`
	// This one tracks the time of our last attempt to contact the node.
	LastCheck time.Time `json:"lastCheck,omitempty"`
}

type NodeSet 

type NodeSet map[enode.ID]NodeJSON

NodeSet is the nodes.json file format. It holds a set of node records as a JSON object.

func LoadNodesJSON 

func LoadNodesJSON(file string) (NodeSet, error)

func (NodeSet) Nodes 

func (ns NodeSet) Nodes() []*enode.Node

Nodes returns the node records contained in the set.

type Ping 

type Ping struct{}

func (Ping) Code 

func (msg Ping) Code() int

func (Ping) ReqID 

func (msg Ping) ReqID() uint64

type Pong 

type Pong struct{}

func (Pong) Code 

func (msg Pong) Code() int

func (Pong) ReqID 

func (msg Pong) ReqID() uint64

type PooledTransactions 

type PooledTransactions eth.PooledTransactionsPacket66

func (PooledTransactions) Code 

func (msg PooledTransactions) Code() int

func (PooledTransactions) ReqID 

func (msg PooledTransactions) ReqID() uint64

type Status 

type Status eth.StatusPacket

Status is the network packet for the status message for eth/64 and later.

func (Status) Code 

func (msg Status) Code() int

func (Status) ReqID 

func (msg Status) ReqID() uint64

type StorageRanges 

type StorageRanges snap.StorageRangesPacket

func (StorageRanges) Code 

func (msg StorageRanges) Code() int

func (StorageRanges) ReqID 

func (msg StorageRanges) ReqID() uint64

type Transactions 

type Transactions eth.TransactionsPacket

func (Transactions) Code 

func (msg Transactions) Code() int

func (Transactions) ReqID 

func (msg Transactions) ReqID() uint64

type TrieNodes 

type TrieNodes snap.TrieNodesPacket

func (TrieNodes) Code 

func (msg TrieNodes) Code() int

func (TrieNodes) ReqID 

func (msg TrieNodes) ReqID() uint64

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