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github.com/ethereum/go-ethereum / les

package les

v1.9.16
Latest Go to latest
Published: 5 days ago | License: GPL3 | Module: github.com/ethereum/go-ethereum

Overview

Package les implements the Light Ethereum Subprotocol.

Index

Package Files

Constants

const (
	MsgBlockBodies = iota
	MsgCode
	MsgReceipts
	MsgProofsV2
	MsgHelperTrieProofs
	MsgTxStatus
)
const (
	NetworkId          = 1
	ProtocolMaxMsgSize = 10 * 1024 * 1024 // Maximum cap on the size of a protocol message
)
const (
	// Protocol messages inherited from LPV1
	StatusMsg          = 0x00
	AnnounceMsg        = 0x01
	GetBlockHeadersMsg = 0x02
	BlockHeadersMsg    = 0x03
	GetBlockBodiesMsg  = 0x04
	BlockBodiesMsg     = 0x05
	GetReceiptsMsg     = 0x06
	ReceiptsMsg        = 0x07
	GetCodeMsg         = 0x0a
	CodeMsg            = 0x0b
	// Protocol messages introduced in LPV2
	GetProofsV2Msg         = 0x0f
	ProofsV2Msg            = 0x10
	GetHelperTrieProofsMsg = 0x11
	HelperTrieProofsMsg    = 0x12
	SendTxV2Msg            = 0x13
	GetTxStatusMsg         = 0x14
	TxStatusMsg            = 0x15
	// Protocol messages introduced in LPV3
	StopMsg   = 0x16
	ResumeMsg = 0x17
)

les protocol message codes

const (
	ErrMsgTooLarge = iota
	ErrDecode
	ErrInvalidMsgCode
	ErrProtocolVersionMismatch
	ErrNetworkIdMismatch
	ErrGenesisBlockMismatch
	ErrNoStatusMsg
	ErrExtraStatusMsg
	ErrSuspendedPeer
	ErrUselessPeer
	ErrRequestRejected
	ErrUnexpectedResponse
	ErrInvalidResponse
	ErrTooManyTimeouts
	ErrMissingKey
)
const (
	MaxHeaderFetch           = 192 // Amount of block headers to be fetched per retrieval request
	MaxBodyFetch             = 32  // Amount of block bodies to be fetched per retrieval request
	MaxReceiptFetch          = 128 // Amount of transaction receipts to allow fetching per request
	MaxCodeFetch             = 64  // Amount of contract codes to allow fetching per request
	MaxProofsFetch           = 64  // Amount of merkle proofs to be fetched per retrieval request
	MaxHelperTrieProofsFetch = 64  // Amount of helper tries to be fetched per retrieval request
	MaxTxSend                = 64  // Amount of transactions to be send per request
	MaxTxStatus              = 256 // Amount of transactions to queried per request
)

Variables

var (
	ClientProtocolVersions    = []uint{lpv2, lpv3}
	ServerProtocolVersions    = []uint{lpv2, lpv3}
	AdvertiseProtocolVersions = []uint{lpv2} // clients are searching for the first advertised protocol in the list
)

Supported versions of the les protocol (first is primary)

var ProtocolLengths = map[uint]uint64{/* contains filtered or unexported fields */}

Number of implemented message corresponding to different protocol versions.

type BlockRequest

type BlockRequest light.BlockRequest

BlockRequest is the ODR request type for block bodies

func (*BlockRequest) CanSend

func (r *BlockRequest) CanSend(peer *serverPeer) bool

CanSend tells if a certain peer is suitable for serving the given request

func (*BlockRequest) GetCost

func (r *BlockRequest) GetCost(peer *serverPeer) uint64

GetCost returns the cost of the given ODR request according to the serving peer's cost table (implementation of LesOdrRequest)

func (*BlockRequest) Request

func (r *BlockRequest) Request(reqID uint64, peer *serverPeer) error

Request sends an ODR request to the LES network (implementation of LesOdrRequest)

func (*BlockRequest) Validate

func (r *BlockRequest) Validate(db ethdb.Database, msg *Msg) error

Valid processes an ODR request reply message from the LES network returns true and stores results in memory if the message was a valid reply to the request (implementation of LesOdrRequest)

type BloomReq

type BloomReq struct {
	BloomTrieNum, BitIdx, SectionIndex, FromLevel uint64
}

type BloomRequest

type BloomRequest light.BloomRequest

ODR request type for requesting headers by Canonical Hash Trie, see LesOdrRequest interface

func (*BloomRequest) CanSend

func (r *BloomRequest) CanSend(peer *serverPeer) bool

CanSend tells if a certain peer is suitable for serving the given request

func (*BloomRequest) GetCost

func (r *BloomRequest) GetCost(peer *serverPeer) uint64

GetCost returns the cost of the given ODR request according to the serving peer's cost table (implementation of LesOdrRequest)

func (*BloomRequest) Request

func (r *BloomRequest) Request(reqID uint64, peer *serverPeer) error

Request sends an ODR request to the LES network (implementation of LesOdrRequest)

func (*BloomRequest) Validate

func (r *BloomRequest) Validate(db ethdb.Database, msg *Msg) error

Valid processes an ODR request reply message from the LES network returns true and stores results in memory if the message was a valid reply to the request (implementation of LesOdrRequest)

type ChtRequest

type ChtRequest light.ChtRequest

ODR request type for requesting headers by Canonical Hash Trie, see LesOdrRequest interface

func (*ChtRequest) CanSend

func (r *ChtRequest) CanSend(peer *serverPeer) bool

CanSend tells if a certain peer is suitable for serving the given request

func (*ChtRequest) GetCost

func (r *ChtRequest) GetCost(peer *serverPeer) uint64

GetCost returns the cost of the given ODR request according to the serving peer's cost table (implementation of LesOdrRequest)

func (*ChtRequest) Request

func (r *ChtRequest) Request(reqID uint64, peer *serverPeer) error

Request sends an ODR request to the LES network (implementation of LesOdrRequest)

func (*ChtRequest) Validate

func (r *ChtRequest) Validate(db ethdb.Database, msg *Msg) error

Valid processes an ODR request reply message from the LES network returns true and stores results in memory if the message was a valid reply to the request (implementation of LesOdrRequest)

type CodeData

type CodeData []struct {
	Value []byte
}

CodeData is the network response packet for a node data retrieval.

type CodeReq

type CodeReq struct {
	BHash  common.Hash
	AccKey []byte
}

type CodeRequest

type CodeRequest light.CodeRequest

ODR request type for node data (used for retrieving contract code), see LesOdrRequest interface

func (*CodeRequest) CanSend

func (r *CodeRequest) CanSend(peer *serverPeer) bool

CanSend tells if a certain peer is suitable for serving the given request

func (*CodeRequest) GetCost

func (r *CodeRequest) GetCost(peer *serverPeer) uint64

GetCost returns the cost of the given ODR request according to the serving peer's cost table (implementation of LesOdrRequest)

func (*CodeRequest) Request

func (r *CodeRequest) Request(reqID uint64, peer *serverPeer) error

Request sends an ODR request to the LES network (implementation of LesOdrRequest)

func (*CodeRequest) Validate

func (r *CodeRequest) Validate(db ethdb.Database, msg *Msg) error

Valid processes an ODR request reply message from the LES network returns true and stores results in memory if the message was a valid reply to the request (implementation of LesOdrRequest)

type HelperTrieReq

type HelperTrieReq struct {
	Type              uint
	TrieIdx           uint64
	Key               []byte
	FromLevel, AuxReq uint
}

type HelperTrieResps

type HelperTrieResps struct {
	Proofs  light.NodeList
	AuxData [][]byte
}

type LesApiBackend

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

func (*LesApiBackend) AccountManager

func (b *LesApiBackend) AccountManager() *accounts.Manager

func (*LesApiBackend) BlockByHash

func (b *LesApiBackend) BlockByHash(ctx context.Context, hash common.Hash) (*types.Block, error)

func (*LesApiBackend) BlockByNumber

func (b *LesApiBackend) BlockByNumber(ctx context.Context, number rpc.BlockNumber) (*types.Block, error)

func (*LesApiBackend) BlockByNumberOrHash

func (b *LesApiBackend) BlockByNumberOrHash(ctx context.Context, blockNrOrHash rpc.BlockNumberOrHash) (*types.Block, error)

func (*LesApiBackend) BloomStatus

func (b *LesApiBackend) BloomStatus() (uint64, uint64)

func (*LesApiBackend) ChainConfig

func (b *LesApiBackend) ChainConfig() *params.ChainConfig

func (*LesApiBackend) ChainDb

func (b *LesApiBackend) ChainDb() ethdb.Database

func (*LesApiBackend) CurrentBlock

func (b *LesApiBackend) CurrentBlock() *types.Block

func (*LesApiBackend) Downloader

func (b *LesApiBackend) Downloader() *downloader.Downloader

func (*LesApiBackend) ExtRPCEnabled

func (b *LesApiBackend) ExtRPCEnabled() bool

func (*LesApiBackend) GetEVM

func (b *LesApiBackend) GetEVM(ctx context.Context, msg core.Message, state *state.StateDB, header *types.Header) (*vm.EVM, func() error, error)

func (*LesApiBackend) GetLogs

func (b *LesApiBackend) GetLogs(ctx context.Context, hash common.Hash) ([][]*types.Log, error)

func (*LesApiBackend) GetPoolNonce

func (b *LesApiBackend) GetPoolNonce(ctx context.Context, addr common.Address) (uint64, error)

func (*LesApiBackend) GetPoolTransaction

func (b *LesApiBackend) GetPoolTransaction(txHash common.Hash) *types.Transaction

func (*LesApiBackend) GetPoolTransactions

func (b *LesApiBackend) GetPoolTransactions() (types.Transactions, error)

func (*LesApiBackend) GetReceipts

func (b *LesApiBackend) GetReceipts(ctx context.Context, hash common.Hash) (types.Receipts, error)

func (*LesApiBackend) GetTd

func (b *LesApiBackend) GetTd(hash common.Hash) *big.Int

func (*LesApiBackend) GetTransaction

func (b *LesApiBackend) GetTransaction(ctx context.Context, txHash common.Hash) (*types.Transaction, common.Hash, uint64, uint64, error)

func (*LesApiBackend) HeaderByHash

func (b *LesApiBackend) HeaderByHash(ctx context.Context, hash common.Hash) (*types.Header, error)

func (*LesApiBackend) HeaderByNumber

func (b *LesApiBackend) HeaderByNumber(ctx context.Context, number rpc.BlockNumber) (*types.Header, error)

func (*LesApiBackend) HeaderByNumberOrHash

func (b *LesApiBackend) HeaderByNumberOrHash(ctx context.Context, blockNrOrHash rpc.BlockNumberOrHash) (*types.Header, error)

func (*LesApiBackend) ProtocolVersion

func (b *LesApiBackend) ProtocolVersion() int

func (*LesApiBackend) RPCGasCap

func (b *LesApiBackend) RPCGasCap() uint64

func (*LesApiBackend) RPCTxFeeCap

func (b *LesApiBackend) RPCTxFeeCap() float64

func (*LesApiBackend) RemoveTx

func (b *LesApiBackend) RemoveTx(txHash common.Hash)

func (*LesApiBackend) SendTx

func (b *LesApiBackend) SendTx(ctx context.Context, signedTx *types.Transaction) error

func (*LesApiBackend) ServiceFilter

func (b *LesApiBackend) ServiceFilter(ctx context.Context, session *bloombits.MatcherSession)

func (*LesApiBackend) SetHead

func (b *LesApiBackend) SetHead(number uint64)

func (*LesApiBackend) StateAndHeaderByNumber

func (b *LesApiBackend) StateAndHeaderByNumber(ctx context.Context, number rpc.BlockNumber) (*state.StateDB, *types.Header, error)

func (*LesApiBackend) StateAndHeaderByNumberOrHash

func (b *LesApiBackend) StateAndHeaderByNumberOrHash(ctx context.Context, blockNrOrHash rpc.BlockNumberOrHash) (*state.StateDB, *types.Header, error)

func (*LesApiBackend) Stats

func (b *LesApiBackend) Stats() (pending int, queued int)

func (*LesApiBackend) SubscribeChainEvent

func (b *LesApiBackend) SubscribeChainEvent(ch chan<- core.ChainEvent) event.Subscription

func (*LesApiBackend) SubscribeChainHeadEvent

func (b *LesApiBackend) SubscribeChainHeadEvent(ch chan<- core.ChainHeadEvent) event.Subscription

func (*LesApiBackend) SubscribeChainSideEvent

func (b *LesApiBackend) SubscribeChainSideEvent(ch chan<- core.ChainSideEvent) event.Subscription

func (*LesApiBackend) SubscribeLogsEvent

func (b *LesApiBackend) SubscribeLogsEvent(ch chan<- []*types.Log) event.Subscription

func (*LesApiBackend) SubscribeNewTxsEvent

func (b *LesApiBackend) SubscribeNewTxsEvent(ch chan<- core.NewTxsEvent) event.Subscription

func (*LesApiBackend) SubscribePendingLogsEvent

func (b *LesApiBackend) SubscribePendingLogsEvent(ch chan<- []*types.Log) event.Subscription

func (*LesApiBackend) SubscribeRemovedLogsEvent

func (b *LesApiBackend) SubscribeRemovedLogsEvent(ch chan<- core.RemovedLogsEvent) event.Subscription

func (*LesApiBackend) SuggestPrice

func (b *LesApiBackend) SuggestPrice(ctx context.Context) (*big.Int, error)

func (*LesApiBackend) TxPoolContent

func (b *LesApiBackend) TxPoolContent() (map[common.Address]types.Transactions, map[common.Address]types.Transactions)

type LesOdr

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

LesOdr implements light.OdrBackend

func NewLesOdr

func NewLesOdr(db ethdb.Database, config *light.IndexerConfig, retriever *retrieveManager) *LesOdr

func (*LesOdr) BloomIndexer

func (odr *LesOdr) BloomIndexer() *core.ChainIndexer

BloomIndexer returns the bloombits chain indexer

func (*LesOdr) BloomTrieIndexer

func (odr *LesOdr) BloomTrieIndexer() *core.ChainIndexer

BloomTrieIndexer returns the bloom trie chain indexer

func (*LesOdr) ChtIndexer

func (odr *LesOdr) ChtIndexer() *core.ChainIndexer

ChtIndexer returns the CHT chain indexer

func (*LesOdr) Database

func (odr *LesOdr) Database() ethdb.Database

Database returns the backing database

func (*LesOdr) IndexerConfig

func (odr *LesOdr) IndexerConfig() *light.IndexerConfig

IndexerConfig returns the indexer config.

func (*LesOdr) Retrieve

func (odr *LesOdr) Retrieve(ctx context.Context, req light.OdrRequest) (err error)

Retrieve tries to fetch an object from the LES network. If the network retrieval was successful, it stores the object in local db.

func (*LesOdr) SetIndexers

func (odr *LesOdr) SetIndexers(chtIndexer, bloomTrieIndexer, bloomIndexer *core.ChainIndexer)

SetIndexers adds the necessary chain indexers to the ODR backend

func (*LesOdr) Stop

func (odr *LesOdr) Stop()

Stop cancels all pending retrievals

type LesOdrRequest

type LesOdrRequest interface {
	GetCost(*serverPeer) uint64
	CanSend(*serverPeer) bool
	Request(uint64, *serverPeer) error
	Validate(ethdb.Database, *Msg) error
}

func LesRequest

func LesRequest(req light.OdrRequest) LesOdrRequest

type LesServer

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

func NewLesServer

func NewLesServer(e *eth.Ethereum, config *eth.Config) (*LesServer, error)

func (*LesServer) APIs

func (s *LesServer) APIs() []rpc.API

func (*LesServer) Protocols

func (s *LesServer) Protocols() []p2p.Protocol

func (*LesServer) SetBloomBitsIndexer

func (s *LesServer) SetBloomBitsIndexer(bloomIndexer *core.ChainIndexer)

func (*LesServer) SetContractBackend

func (s *LesServer) SetContractBackend(backend bind.ContractBackend)

SetClient sets the rpc client and starts running checkpoint contract if it is not yet watched.

func (*LesServer) Start

func (s *LesServer) Start(srvr *p2p.Server)

Start starts the LES server

func (*LesServer) Stop

func (s *LesServer) Stop()

Stop stops the LES service

type LightDummyAPI

type LightDummyAPI struct{}

func (*LightDummyAPI) Coinbase

func (s *LightDummyAPI) Coinbase() (common.Address, error)

Coinbase is the address that mining rewards will be send to (alias for Etherbase)

func (*LightDummyAPI) Etherbase

func (s *LightDummyAPI) Etherbase() (common.Address, error)

Etherbase is the address that mining rewards will be send to

func (*LightDummyAPI) Hashrate

func (s *LightDummyAPI) Hashrate() hexutil.Uint

Hashrate returns the POW hashrate

func (*LightDummyAPI) Mining

func (s *LightDummyAPI) Mining() bool

Mining returns an indication if this node is currently mining.

type LightEthereum

type LightEthereum struct {
	ApiBackend *LesApiBackend
	// contains filtered or unexported fields
}

func New

func New(ctx *node.ServiceContext, config *eth.Config) (*LightEthereum, error)

func (*LightEthereum) APIs

func (s *LightEthereum) APIs() []rpc.API

APIs returns the collection of RPC services the ethereum package offers. NOTE, some of these services probably need to be moved to somewhere else.

func (*LightEthereum) BlockChain

func (s *LightEthereum) BlockChain() *light.LightChain

func (*LightEthereum) Downloader

func (s *LightEthereum) Downloader() *downloader.Downloader

func (*LightEthereum) Engine

func (s *LightEthereum) Engine() consensus.Engine

func (*LightEthereum) EventMux

func (s *LightEthereum) EventMux() *event.TypeMux

func (*LightEthereum) LesVersion

func (s *LightEthereum) LesVersion() int

func (*LightEthereum) Protocols

func (s *LightEthereum) Protocols() []p2p.Protocol

Protocols implements node.Service, returning all the currently configured network protocols to start.

func (*LightEthereum) ResetWithGenesisBlock

func (s *LightEthereum) ResetWithGenesisBlock(gb *types.Block)

func (*LightEthereum) SetContractBackend

func (s *LightEthereum) SetContractBackend(backend bind.ContractBackend)

SetClient sets the rpc client and binds the registrar contract.

func (*LightEthereum) Start

func (s *LightEthereum) Start(srvr *p2p.Server) error

Start implements node.Service, starting all internal goroutines needed by the light ethereum protocol implementation.

func (*LightEthereum) Stop

func (s *LightEthereum) Stop() error

Stop implements node.Service, terminating all internal goroutines used by the Ethereum protocol.

func (*LightEthereum) TxPool

func (s *LightEthereum) TxPool() *light.TxPool

type Msg

type Msg struct {
	MsgType int
	ReqID   uint64
	Obj     interface{}
}

Msg encodes a LES message that delivers reply data for a request

type NodeInfo

type NodeInfo struct {
	Network    uint64                   `json:"network"`    // Ethereum network ID (1=Frontier, 2=Morden, Ropsten=3, Rinkeby=4)
	Difficulty *big.Int                 `json:"difficulty"` // Total difficulty of the host's blockchain
	Genesis    common.Hash              `json:"genesis"`    // SHA3 hash of the host's genesis block
	Config     *params.ChainConfig      `json:"config"`     // Chain configuration for the fork rules
	Head       common.Hash              `json:"head"`       // SHA3 hash of the host's best owned block
	CHT        params.TrustedCheckpoint `json:"cht"`        // Trused CHT checkpoint for fast catchup
}

NodeInfo represents a short summary of the Ethereum sub-protocol metadata known about the host peer.

type PrivateDebugAPI

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

PrivateDebugAPI provides an API to debug LES light server functionality.

func NewPrivateDebugAPI

func NewPrivateDebugAPI(server *LesServer) *PrivateDebugAPI

NewPrivateDebugAPI creates a new LES light server debug API.

func (*PrivateDebugAPI) FreezeClient

func (api *PrivateDebugAPI) FreezeClient(id enode.ID) error

FreezeClient forces a temporary client freeze which normally happens when the server is overloaded

type PrivateLightAPI

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

PrivateLightAPI provides an API to access the LES light server or light client.

func NewPrivateLightAPI

func NewPrivateLightAPI(backend *lesCommons) *PrivateLightAPI

NewPrivateLightAPI creates a new LES service API.

func (*PrivateLightAPI) GetCheckpoint

func (api *PrivateLightAPI) GetCheckpoint(index uint64) ([3]string, error)

GetLocalCheckpoint returns the specific local checkpoint package.

The checkpoint package consists of 3 strings:

result[0], 32 bytes hex encoded latest section head hash
result[1], 32 bytes hex encoded latest section canonical hash trie root hash
result[2], 32 bytes hex encoded latest section bloom trie root hash

func (*PrivateLightAPI) GetCheckpointContractAddress

func (api *PrivateLightAPI) GetCheckpointContractAddress() (string, error)

GetCheckpointContractAddress returns the contract contract address in hex format.

func (*PrivateLightAPI) LatestCheckpoint

func (api *PrivateLightAPI) LatestCheckpoint() ([4]string, error)

LatestCheckpoint returns the latest local checkpoint package.

The checkpoint package consists of 4 strings:

result[0], hex encoded latest section index
result[1], 32 bytes hex encoded latest section head hash
result[2], 32 bytes hex encoded latest section canonical hash trie root hash
result[3], 32 bytes hex encoded latest section bloom trie root hash

type PrivateLightServerAPI

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

PrivateLightServerAPI provides an API to access the LES light server.

func NewPrivateLightServerAPI

func NewPrivateLightServerAPI(server *LesServer) *PrivateLightServerAPI

NewPrivateLightServerAPI creates a new LES light server API.

func (*PrivateLightServerAPI) AddBalance

func (api *PrivateLightServerAPI) AddBalance(id enode.ID, value int64, meta string) ([2]uint64, error)

AddBalance updates the balance of a client (either overwrites it or adds to it). It also updates the balance meta info string.

func (*PrivateLightServerAPI) Benchmark

func (api *PrivateLightServerAPI) Benchmark(setups []map[string]interface{}, passCount, length int) ([]map[string]interface{}, error)

Benchmark runs a request performance benchmark with a given set of measurement setups in multiple passes specified by passCount. The measurement time for each setup in each pass is specified in milliseconds by length.

Note: measurement time is adjusted for each pass depending on the previous ones. Therefore a controlled total measurement time is achievable in multiple passes.

func (*PrivateLightServerAPI) ClientInfo

func (api *PrivateLightServerAPI) ClientInfo(ids []enode.ID) map[enode.ID]map[string]interface{}

ClientInfo returns information about clients listed in the ids list or matching the given tags

func (*PrivateLightServerAPI) PriorityClientInfo

func (api *PrivateLightServerAPI) PriorityClientInfo(start, stop enode.ID, maxCount int) map[enode.ID]map[string]interface{}

PriorityClientInfo returns information about clients with a positive balance in the given ID range (stop excluded). If stop is null then the iterator stops only at the end of the ID space. MaxCount limits the number of results returned. If maxCount limit is applied but there are more potential results then the ID of the next potential result is included in the map with an empty structure assigned to it.

func (*PrivateLightServerAPI) ServerInfo

func (api *PrivateLightServerAPI) ServerInfo() map[string]interface{}

ServerInfo returns global server parameters

func (*PrivateLightServerAPI) SetClientParams

func (api *PrivateLightServerAPI) SetClientParams(ids []enode.ID, params map[string]interface{}) error

SetClientParams sets client parameters for all clients listed in the ids list or all connected clients if the list is empty

func (*PrivateLightServerAPI) SetDefaultParams

func (api *PrivateLightServerAPI) SetDefaultParams(params map[string]interface{}) error

SetDefaultParams sets the default parameters applicable to clients connected in the future

type ProofReq

type ProofReq struct {
	BHash       common.Hash
	AccKey, Key []byte
	FromLevel   uint
}

type ReceiptsRequest

type ReceiptsRequest light.ReceiptsRequest

ReceiptsRequest is the ODR request type for block receipts by block hash

func (*ReceiptsRequest) CanSend

func (r *ReceiptsRequest) CanSend(peer *serverPeer) bool

CanSend tells if a certain peer is suitable for serving the given request

func (*ReceiptsRequest) GetCost

func (r *ReceiptsRequest) GetCost(peer *serverPeer) uint64

GetCost returns the cost of the given ODR request according to the serving peer's cost table (implementation of LesOdrRequest)

func (*ReceiptsRequest) Request

func (r *ReceiptsRequest) Request(reqID uint64, peer *serverPeer) error

Request sends an ODR request to the LES network (implementation of LesOdrRequest)

func (*ReceiptsRequest) Validate

func (r *ReceiptsRequest) Validate(db ethdb.Database, msg *Msg) error

Valid processes an ODR request reply message from the LES network returns true and stores results in memory if the message was a valid reply to the request (implementation of LesOdrRequest)

type RequestCostList

type RequestCostList []requestCostListItem

RequestCostList is a list representation of request costs which is used for database storage and communication through the network

type TrieRequest

type TrieRequest light.TrieRequest

ODR request type for state/storage trie entries, see LesOdrRequest interface

func (*TrieRequest) CanSend

func (r *TrieRequest) CanSend(peer *serverPeer) bool

CanSend tells if a certain peer is suitable for serving the given request

func (*TrieRequest) GetCost

func (r *TrieRequest) GetCost(peer *serverPeer) uint64

GetCost returns the cost of the given ODR request according to the serving peer's cost table (implementation of LesOdrRequest)

func (*TrieRequest) Request

func (r *TrieRequest) Request(reqID uint64, peer *serverPeer) error

Request sends an ODR request to the LES network (implementation of LesOdrRequest)

func (*TrieRequest) Validate

func (r *TrieRequest) Validate(db ethdb.Database, msg *Msg) error

Valid processes an ODR request reply message from the LES network returns true and stores results in memory if the message was a valid reply to the request (implementation of LesOdrRequest)

type TxStatusRequest

type TxStatusRequest light.TxStatusRequest

TxStatusRequest is the ODR request type for transaction status

func (*TxStatusRequest) CanSend

func (r *TxStatusRequest) CanSend(peer *serverPeer) bool

CanSend tells if a certain peer is suitable for serving the given request

func (*TxStatusRequest) GetCost

func (r *TxStatusRequest) GetCost(peer *serverPeer) uint64

GetCost returns the cost of the given ODR request according to the serving peer's cost table (implementation of LesOdrRequest)

func (*TxStatusRequest) Request

func (r *TxStatusRequest) Request(reqID uint64, peer *serverPeer) error

Request sends an ODR request to the LES network (implementation of LesOdrRequest)

func (*TxStatusRequest) Validate

func (r *TxStatusRequest) Validate(db ethdb.Database, msg *Msg) error

Valid processes an ODR request reply message from the LES network returns true and stores results in memory if the message was a valid reply to the request (implementation of LesOdrRequest)

Documentation was rendered with GOOS=linux and GOARCH=amd64.

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