Documentation
¶
Overview ¶
Package les implements the Light Ethereum Subprotocol.
Index ¶
- Constants
- Variables
- type BlockRequest
- type BloomReq
- type BloomRequest
- type ChtRequest
- type CodeData
- type CodeReq
- type CodeRequest
- type HelperTrieReq
- type HelperTrieResps
- type LesApiBackend
- func (b *LesApiBackend) AccountManager() *accounts.Manager
- func (b *LesApiBackend) AutonityContract() *autonity.Contract
- func (b *LesApiBackend) BlockByHash(ctx context.Context, hash common.Hash) (*types.Block, error)
- func (b *LesApiBackend) BlockByNumber(ctx context.Context, number rpc.BlockNumber) (*types.Block, error)
- func (b *LesApiBackend) BlockByNumberOrHash(ctx context.Context, blockNrOrHash rpc.BlockNumberOrHash) (*types.Block, error)
- func (b *LesApiBackend) BloomStatus() (uint64, uint64)
- func (b *LesApiBackend) ChainConfig() *params.ChainConfig
- func (b *LesApiBackend) ChainDb() ethdb.Database
- func (b *LesApiBackend) CurrentBlock() *types.Block
- func (b *LesApiBackend) CurrentHeader() *types.Header
- func (b *LesApiBackend) Downloader() *downloader.Downloader
- func (b *LesApiBackend) Engine() consensus.Engine
- func (b *LesApiBackend) ExtRPCEnabled() bool
- func (b *LesApiBackend) GetEVM(ctx context.Context, msg core.Message, state *state.StateDB, ...) (*vm.EVM, func() error, error)
- func (b *LesApiBackend) GetLogs(ctx context.Context, hash common.Hash) ([][]*types.Log, error)
- func (b *LesApiBackend) GetPoolNonce(ctx context.Context, addr common.Address) (uint64, error)
- func (b *LesApiBackend) GetPoolTransaction(txHash common.Hash) *types.Transaction
- func (b *LesApiBackend) GetPoolTransactions() (types.Transactions, error)
- func (b *LesApiBackend) GetReceipts(ctx context.Context, hash common.Hash) (types.Receipts, error)
- func (b *LesApiBackend) GetTd(ctx context.Context, hash common.Hash) *big.Int
- func (b *LesApiBackend) GetTransaction(ctx context.Context, txHash common.Hash) (*types.Transaction, common.Hash, uint64, uint64, error)
- func (b *LesApiBackend) HeaderByHash(ctx context.Context, hash common.Hash) (*types.Header, error)
- func (b *LesApiBackend) HeaderByNumber(ctx context.Context, number rpc.BlockNumber) (*types.Header, error)
- func (b *LesApiBackend) HeaderByNumberOrHash(ctx context.Context, blockNrOrHash rpc.BlockNumberOrHash) (*types.Header, error)
- func (b *LesApiBackend) ProtocolVersion() int
- func (b *LesApiBackend) RPCGasCap() uint64
- func (b *LesApiBackend) RPCTxFeeCap() float64
- func (b *LesApiBackend) RemoveTx(txHash common.Hash)
- func (b *LesApiBackend) SendTx(ctx context.Context, signedTx *types.Transaction) error
- func (b *LesApiBackend) ServiceFilter(ctx context.Context, session *bloombits.MatcherSession)
- func (b *LesApiBackend) SetHead(number uint64)
- func (b *LesApiBackend) StateAndHeaderByNumber(ctx context.Context, number rpc.BlockNumber) (*state.StateDB, *types.Header, error)
- func (b *LesApiBackend) StateAndHeaderByNumberOrHash(ctx context.Context, blockNrOrHash rpc.BlockNumberOrHash) (*state.StateDB, *types.Header, error)
- func (b *LesApiBackend) Stats() (pending int, queued int)
- func (b *LesApiBackend) SubscribeChainEvent(ch chan<- core.ChainEvent) event.Subscription
- func (b *LesApiBackend) SubscribeChainHeadEvent(ch chan<- core.ChainHeadEvent) event.Subscription
- func (b *LesApiBackend) SubscribeChainSideEvent(ch chan<- core.ChainSideEvent) event.Subscription
- func (b *LesApiBackend) SubscribeLogsEvent(ch chan<- []*types.Log) event.Subscription
- func (b *LesApiBackend) SubscribeNewTxsEvent(ch chan<- core.NewTxsEvent) event.Subscription
- func (b *LesApiBackend) SubscribePendingLogsEvent(ch chan<- []*types.Log) event.Subscription
- func (b *LesApiBackend) SubscribeRemovedLogsEvent(ch chan<- core.RemovedLogsEvent) event.Subscription
- func (b *LesApiBackend) SuggestPrice(ctx context.Context) (*big.Int, error)
- func (b *LesApiBackend) TxPoolContent() (map[common.Address]types.Transactions, map[common.Address]types.Transactions)
- type LesOdr
- func (odr *LesOdr) BloomIndexer() *core.ChainIndexer
- func (odr *LesOdr) BloomTrieIndexer() *core.ChainIndexer
- func (odr *LesOdr) ChtIndexer() *core.ChainIndexer
- func (odr *LesOdr) Database() ethdb.Database
- func (odr *LesOdr) IndexerConfig() *light.IndexerConfig
- func (odr *LesOdr) Retrieve(ctx context.Context, req light.OdrRequest) (err error)
- func (odr *LesOdr) SetIndexers(chtIndexer, bloomTrieIndexer, bloomIndexer *core.ChainIndexer)
- func (odr *LesOdr) Stop()
- type LesOdrRequest
- type LesServer
- type LightDummyAPI
- type LightEthereum
- func (s *LightEthereum) APIs() []rpc.API
- func (s *LightEthereum) BlockChain() *light.LightChain
- func (s *LightEthereum) Downloader() *downloader.Downloader
- func (s *LightEthereum) Engine() consensus.Engine
- func (s *LightEthereum) EventMux() *event.TypeMux
- func (s *LightEthereum) LesVersion() int
- func (s *LightEthereum) Protocols() []p2p.Protocol
- func (s *LightEthereum) ResetWithGenesisBlock(gb *types.Block)
- func (s *LightEthereum) Start() error
- func (s *LightEthereum) Stop() error
- func (s *LightEthereum) TxPool() *light.TxPool
- type Msg
- type NodeInfo
- type PrivateDebugAPI
- type PrivateLightAPI
- type PrivateLightServerAPI
- func (api *PrivateLightServerAPI) AddBalance(id enode.ID, amount int64) (balance [2]uint64, err error)
- func (api *PrivateLightServerAPI) Benchmark(setups []map[string]interface{}, passCount, length int) ([]map[string]interface{}, error)
- func (api *PrivateLightServerAPI) ClientInfo(ids []enode.ID) map[enode.ID]map[string]interface{}
- func (api *PrivateLightServerAPI) PriorityClientInfo(start, stop enode.ID, maxCount int) map[enode.ID]map[string]interface{}
- func (api *PrivateLightServerAPI) ServerInfo() map[string]interface{}
- func (api *PrivateLightServerAPI) SetClientParams(ids []enode.ID, params map[string]interface{}) error
- func (api *PrivateLightServerAPI) SetConnectedBias(bias time.Duration) error
- func (api *PrivateLightServerAPI) SetDefaultParams(params map[string]interface{}) error
- type ProofReq
- type ReceiptsRequest
- type RequestCostList
- type TrieRequest
- type TxStatusRequest
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.
Functions ¶
This section is empty.
Types ¶
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)
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)
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)
type CodeData ¶
type CodeData []struct { Value []byte }
CodeData is the network response packet for a node data retrieval.
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)
type HelperTrieReq ¶
type HelperTrieResps ¶
type LesApiBackend ¶
type LesApiBackend struct {
// contains filtered or unexported fields
}
func (*LesApiBackend) AccountManager ¶
func (b *LesApiBackend) AccountManager() *accounts.Manager
func (*LesApiBackend) AutonityContract ¶ added in v0.2.1
func (b *LesApiBackend) AutonityContract() *autonity.Contract
func (*LesApiBackend) BlockByHash ¶ added in v0.4.0
func (*LesApiBackend) BlockByNumber ¶
func (b *LesApiBackend) BlockByNumber(ctx context.Context, number rpc.BlockNumber) (*types.Block, error)
func (*LesApiBackend) BlockByNumberOrHash ¶ added in v0.4.0
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) CurrentHeader ¶ added in v0.7.0
func (b *LesApiBackend) CurrentHeader() *types.Header
func (*LesApiBackend) Downloader ¶
func (b *LesApiBackend) Downloader() *downloader.Downloader
func (*LesApiBackend) Engine ¶ added in v0.7.0
func (b *LesApiBackend) Engine() consensus.Engine
func (*LesApiBackend) ExtRPCEnabled ¶ added in v0.1.6
func (b *LesApiBackend) ExtRPCEnabled() bool
func (*LesApiBackend) GetPoolNonce ¶
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 (*LesApiBackend) GetTransaction ¶ added in v0.1.6
func (*LesApiBackend) HeaderByHash ¶
func (*LesApiBackend) HeaderByNumber ¶
func (b *LesApiBackend) HeaderByNumber(ctx context.Context, number rpc.BlockNumber) (*types.Header, error)
func (*LesApiBackend) HeaderByNumberOrHash ¶ added in v0.4.0
func (b *LesApiBackend) HeaderByNumberOrHash(ctx context.Context, blockNrOrHash rpc.BlockNumberOrHash) (*types.Header, error)
func (*LesApiBackend) ProtocolVersion ¶
func (b *LesApiBackend) ProtocolVersion() int
func (*LesApiBackend) RPCGasCap ¶ added in v0.1.6
func (b *LesApiBackend) RPCGasCap() uint64
func (*LesApiBackend) RPCTxFeeCap ¶ added in v0.7.0
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 ¶ added in v0.4.0
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 ¶ added in v0.4.0
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 (*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) IndexerConfig ¶
func (odr *LesOdr) IndexerConfig() *light.IndexerConfig
IndexerConfig returns the indexer config.
func (*LesOdr) Retrieve ¶
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
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 ¶
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 (*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 returns all the currently configured network protocols to start.
func (*LightEthereum) ResetWithGenesisBlock ¶
func (s *LightEthereum) ResetWithGenesisBlock(gb *types.Block)
func (*LightEthereum) Start ¶
func (s *LightEthereum) Start() error
Start implements node.Lifecycle, starting all internal goroutines needed by the light ethereum protocol implementation.
func (*LightEthereum) Stop ¶
func (s *LightEthereum) Stop() error
Stop implements node.Lifecycle, terminating all internal goroutines used by the Ethereum protocol.
func (*LightEthereum) TxPool ¶
func (s *LightEthereum) TxPool() *light.TxPool
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 ¶ added in v0.4.0
type PrivateDebugAPI struct {
// contains filtered or unexported fields
}
PrivateDebugAPI provides an API to debug LES light server functionality.
func NewPrivateDebugAPI ¶ added in v0.4.0
func NewPrivateDebugAPI(server *LesServer) *PrivateDebugAPI
NewPrivateDebugAPI creates a new LES light server debug API.
func (*PrivateDebugAPI) FreezeClient ¶ added in v0.4.0
func (api *PrivateDebugAPI) FreezeClient(id enode.ID) error
FreezeClient forces a temporary client freeze which normally happens when the server is overloaded
type PrivateLightAPI ¶ added in v0.1.6
type PrivateLightAPI struct {
// contains filtered or unexported fields
}
PrivateLightAPI provides an API to access the LES light server or light client.
func NewPrivateLightAPI ¶ added in v0.1.6
func NewPrivateLightAPI(backend *lesCommons) *PrivateLightAPI
NewPrivateLightAPI creates a new LES service API.
func (*PrivateLightAPI) GetCheckpoint ¶ added in v0.1.6
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 ¶ added in v0.1.6
func (api *PrivateLightAPI) GetCheckpointContractAddress() (string, error)
GetCheckpointContractAddress returns the contract contract address in hex format.
func (*PrivateLightAPI) LatestCheckpoint ¶ added in v0.1.6
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 ¶ added in v0.4.0
type PrivateLightServerAPI struct {
// contains filtered or unexported fields
}
PrivateLightServerAPI provides an API to access the LES light server.
func NewPrivateLightServerAPI ¶ added in v0.4.0
func NewPrivateLightServerAPI(server *LesServer) *PrivateLightServerAPI
NewPrivateLightServerAPI creates a new LES light server API.
func (*PrivateLightServerAPI) AddBalance ¶ added in v0.4.0
func (api *PrivateLightServerAPI) AddBalance(id enode.ID, amount int64) (balance [2]uint64, err error)
AddBalance adds the given amount to the balance of a client if possible and returns the balance before and after the operation
func (*PrivateLightServerAPI) Benchmark ¶ added in v0.4.0
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 ¶ added in v0.4.0
ClientInfo returns information about clients listed in the ids list or matching the given tags
func (*PrivateLightServerAPI) PriorityClientInfo ¶ added in v0.4.0
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 ¶ added in v0.4.0
func (api *PrivateLightServerAPI) ServerInfo() map[string]interface{}
ServerInfo returns global server parameters
func (*PrivateLightServerAPI) SetClientParams ¶ added in v0.4.0
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) SetConnectedBias ¶ added in v0.7.0
func (api *PrivateLightServerAPI) SetConnectedBias(bias time.Duration) error
SetConnectedBias set the connection bias, which is applied to already connected clients So that already connected client won't be kicked out very soon and we can ensure all connected clients can have enough time to request or sync some data. When the input parameter `bias` < 0 (illegal), return error.
func (*PrivateLightServerAPI) SetDefaultParams ¶ added in v0.4.0
func (api *PrivateLightServerAPI) SetDefaultParams(params map[string]interface{}) error
SetDefaultParams sets the default parameters applicable to clients connected in the future
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)
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)
type TxStatusRequest ¶ added in v0.1.6
type TxStatusRequest light.TxStatusRequest
TxStatusRequest is the ODR request type for transaction status
func (*TxStatusRequest) CanSend ¶ added in v0.1.6
func (r *TxStatusRequest) CanSend(peer *serverPeer) bool
CanSend tells if a certain peer is suitable for serving the given request
func (*TxStatusRequest) GetCost ¶ added in v0.1.6
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 ¶ added in v0.1.6
func (r *TxStatusRequest) Request(reqID uint64, peer *serverPeer) error
Request sends an ODR request to the LES network (implementation of LesOdrRequest)
func (*TxStatusRequest) Validate ¶ added in v0.1.6
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)
Source Files
¶
- api.go
- api_backend.go
- benchmark.go
- bloombits.go
- client.go
- client_handler.go
- clientpool.go
- commons.go
- costtracker.go
- distributor.go
- enr_entry.go
- fetcher.go
- metrics.go
- odr.go
- odr_requests.go
- peer.go
- protocol.go
- pruner.go
- retrieve.go
- server.go
- server_handler.go
- serverpool.go
- servingqueue.go
- sync.go
- test_helper.go
- txrelay.go
- ulc.go
Directories
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Path | Synopsis |
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Package checkpointoracle is a wrapper of checkpoint oracle contract with additional rules defined.
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Package checkpointoracle is a wrapper of checkpoint oracle contract with additional rules defined. |
Package flowcontrol implements a client side flow control mechanism
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Package flowcontrol implements a client side flow control mechanism |
lespay
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