evr

package
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 Go to latest Published: Aug 17, 2020 License: GPL-3.0 Imports: 60 Imported by: 0

Documentation

Overview

Package evr implements the Evrynet protocol.

Index

Constants

View Source 
const (
	// Protocol messages belonging to evr/62
	StatusMsg          = 0x00
	NewBlockHashesMsg  = 0x01
	TxMsg              = 0x02
	GetBlockHeadersMsg = 0x03
	BlockHeadersMsg    = 0x04
	GetBlockBodiesMsg  = 0x05
	BlockBodiesMsg     = 0x06
	NewBlockMsg        = 0x07

	// Protocol messages belonging to evr/63
	GetNodeDataMsg = 0x0d
	NodeDataMsg    = 0x0e
	GetReceiptsMsg = 0x0f
	ReceiptsMsg    = 0x10
)

evr protocol message codes

View Source 
const (
	ErrMsgTooLarge = iota
	ErrDecode
	ErrInvalidMsgCode
	ErrProtocolVersionMismatch
	ErrNetworkIdMismatch
	ErrGenesisBlockMismatch
	ErrNoStatusMsg
	ErrExtraStatusMsg
	ErrSuspendedPeer
)
View Source 
const DefaultULCMinTrustedFraction = 75
View Source 
const ProtocolMaxMsgSize = 10 * 1024 * 1024 // Maximum cap on the size of a protocol message

Variables

View Source 
var DefaultConfig = Config{
	SyncMode: downloader.FullSync,
	Ethash: ethash.Config{
		CacheDir:       "ethash",
		CachesInMem:    2,
		CachesOnDisk:   3,
		DatasetsInMem:  1,
		DatasetsOnDisk: 2,
	},
	NetworkId:      1,
	LightPeers:     100,
	DatabaseCache:  512,
	TrieCleanCache: 256,
	TrieDirtyCache: 256,
	TrieTimeout:    60 * time.Minute,
	Miner: miner.Config{
		GasFloor: 8000000,
		GasCeil:  8000000,
		Recommit: 3 * time.Second,
	},
	TxPool: core.DefaultTxPoolConfig,
	GPO: gasprice.Config{
		Blocks:     20,
		Percentile: 60,
	},

	Tendermint: *tendermint.DefaultConfig,
}

DefaultConfig contains default settings for use on the Evrynet main net.

View Source 
var ProtocolLengths = []uint64{18, 17, 8}

ProtocolLengths are the number of implemented message corresponding to different protocol versions.

View Source 
var ProtocolName = "evr"

ProtocolName is the official short name of the protocol used during capability negotiation.

View Source 
var ProtocolVersions = []uint{eth64, eth63, eth62}

ProtocolVersions are the supported versions of the evr protocol (first is primary).

Functions

func CreateConsensusEngine 

func CreateConsensusEngine(ctx *node.ServiceContext, chainConfig *params.ChainConfig, config *Config, notify []string, noverify bool, db evrdb.Database) consensus.Engine

CreateConsensusEngine creates the required type of consensus engine instance for an Evrynet service

func NewBloomIndexer 

func NewBloomIndexer(db evrdb.Database, size, confirms uint64) *core.ChainIndexer

NewBloomIndexer returns a chain indexer that generates bloom bits data for the canonical chain for fast logs filtering.

func RegisterNewPeer 

func RegisterNewPeer(pm *ProtocolManager, p *Peer) error

Types

type BadBlockArgs 

type BadBlockArgs struct {
	Hash  common.Hash            `json:"hash"`
	Block map[string]interface{} `json:"block"`
	RLP   string                 `json:"rlp"`
}

BadBlockArgs represents the entries in the list returned when bad blocks are queried.

type BloomIndexer 

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

BloomIndexer implements a core.ChainIndexer, building up a rotated bloom bits index for the Evrynet header bloom filters, permitting blazing fast filtering.

func (*BloomIndexer) Commit 

func (b *BloomIndexer) Commit() error

Commit implements core.ChainIndexerBackend, finalizing the bloom section and writing it out into the database.

func (*BloomIndexer) Process 

func (b *BloomIndexer) Process(ctx context.Context, header *types.Header) error

Process implements core.ChainIndexerBackend, adding a new header's bloom into the index.

func (*BloomIndexer) Reset 

func (b *BloomIndexer) Reset(ctx context.Context, section uint64, lastSectionHead common.Hash) error

Reset implements core.ChainIndexerBackend, starting a new bloombits index section.

type Config 

type Config struct {
	// The genesis block, which is inserted if the database is empty.
	// If nil, the Evrynet main net block is used.
	Genesis *core.Genesis `toml:",omitempty"`

	// Protocol options
	NetworkId uint64 // Network ID to use for selecting peers to connect to
	SyncMode  downloader.SyncMode
	GasPrice  *big.Int

	NoPruning  bool // Whether to disable pruning and flush everything to disk
	NoPrefetch bool // Whether to disable prefetching and only load state on demand

	// Whitelist of required block number -> hash values to accept
	Whitelist map[uint64]common.Hash `toml:"-"`

	// Light client options
	LightServ         int  `toml:",omitempty"` // Maximum percentage of time allowed for serving LES requests
	LightBandwidthIn  int  `toml:",omitempty"` // Incoming bandwidth limit for light servers
	LightBandwidthOut int  `toml:",omitempty"` // Outgoing bandwidth limit for light servers
	LightPeers        int  `toml:",omitempty"` // Maximum number of LES client peers
	OnlyAnnounce      bool // Maximum number of LES client peers

	// Ultra Light client options
	ULC *ULCConfig `toml:",omitempty"`

	// Database options
	SkipBcVersionCheck bool `toml:"-"`
	DatabaseHandles    int  `toml:"-"`
	DatabaseCache      int
	DatabaseFreezer    string

	TrieCleanCache int
	TrieDirtyCache int
	TrieTimeout    time.Duration

	// Mining options
	Miner miner.Config

	// Ethash options
	Ethash ethash.Config

	// Transaction pool options
	TxPool core.TxPoolConfig

	// Gas Price Oracle options
	GPO gasprice.Config

	// Enables tracking of SHA3 preimages in the VM
	EnablePreimageRecording bool

	// Tendermint options
	Tendermint tendermint.Config

	// Miscellaneous options
	DocRoot string `toml:"-"`

	// Type of the EWASM interpreter ("" for default)
	EWASMInterpreter string

	// Type of the EVM interpreter ("" for default)
	EVMInterpreter string

	// Constantinople block override (TODO: remove after the fork)
	ConstantinopleOverride *big.Int

	// RPCGasCap is the global gas cap for evr-call variants.
	RPCGasCap *big.Int `toml:",omitempty"`
}

func (Config) MarshalTOML 

func (c Config) MarshalTOML() (interface{}, error)

MarshalTOML marshals as TOML.

func (*Config) UnmarshalTOML 

func (c *Config) UnmarshalTOML(unmarshal func(interface{}) error) error

UnmarshalTOML unmarshals from TOML.

type EvrAPIBackend 

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

EvrAPIBackend implements evrapi.Backend for full nodes

func (*EvrAPIBackend) AccountManager 

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

func (*EvrAPIBackend) BlockByNumber 

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

func (*EvrAPIBackend) BloomStatus 

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

func (*EvrAPIBackend) ChainConfig 

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

ChainConfig returns the active chain configuration.

func (*EvrAPIBackend) ChainDb 

func (b *EvrAPIBackend) ChainDb() evrdb.Database

func (*EvrAPIBackend) CurrentBlock 

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

func (*EvrAPIBackend) Downloader 

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

func (*EvrAPIBackend) EventMux 

func (b *EvrAPIBackend) EventMux() *event.TypeMux

func (*EvrAPIBackend) ExtRPCEnabled 

func (b *EvrAPIBackend) ExtRPCEnabled() bool

func (*EvrAPIBackend) GetBlock 

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

func (*EvrAPIBackend) GetEVM 

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

func (*EvrAPIBackend) GetLogs 

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

func (*EvrAPIBackend) GetPoolNonce 

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

func (*EvrAPIBackend) GetPoolTransaction 

func (b *EvrAPIBackend) GetPoolTransaction(hash common.Hash) *types.Transaction

func (*EvrAPIBackend) GetPoolTransactions 

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

func (*EvrAPIBackend) GetReceipts 

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

func (*EvrAPIBackend) GetTd 

func (b *EvrAPIBackend) GetTd(blockHash common.Hash) *big.Int

func (*EvrAPIBackend) GetTransaction 

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

func (*EvrAPIBackend) HeaderByHash 

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

func (*EvrAPIBackend) HeaderByNumber 

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

func (*EvrAPIBackend) ProtocolVersion 

func (b *EvrAPIBackend) ProtocolVersion() int

func (*EvrAPIBackend) RPCGasCap 

func (b *EvrAPIBackend) RPCGasCap() *big.Int

func (*EvrAPIBackend) SendTx 

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

func (*EvrAPIBackend) ServiceFilter 

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

func (*EvrAPIBackend) SetHead 

func (b *EvrAPIBackend) SetHead(number uint64)

func (*EvrAPIBackend) StateAndHeaderByNumber 

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

func (*EvrAPIBackend) Stats 

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

func (*EvrAPIBackend) SubscribeChainEvent 

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

func (*EvrAPIBackend) SubscribeChainHeadEvent 

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

func (*EvrAPIBackend) SubscribeChainSideEvent 

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

func (*EvrAPIBackend) SubscribeLogsEvent 

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

func (*EvrAPIBackend) SubscribeNewTxsEvent 

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

func (*EvrAPIBackend) SubscribeRemovedLogsEvent 

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

func (*EvrAPIBackend) SuggestPrice 

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

func (*EvrAPIBackend) TxPoolContent 

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

type Evrynet 

type Evrynet struct {
	APIBackend *EvrAPIBackend
	// contains filtered or unexported fields
}

Evrynet implements the Evrynet full node service.

func New 

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

New creates a new Evrynet object (including the initialisation of the common Evrynet object)

func (*Evrynet) APIs 

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

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

func (*Evrynet) AccountManager 

func (s *Evrynet) AccountManager() *accounts.Manager

func (*Evrynet) AddLesServer 

func (s *Evrynet) AddLesServer(ls LesServer)

func (*Evrynet) ArchiveMode 

func (s *Evrynet) ArchiveMode() bool

func (*Evrynet) BlockChain 

func (s *Evrynet) BlockChain() *core.BlockChain

func (*Evrynet) ChainDb 

func (s *Evrynet) ChainDb() evrdb.Database

func (*Evrynet) Downloader 

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

func (*Evrynet) Engine 

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

func (*Evrynet) EthVersion 

func (s *Evrynet) EthVersion() int

func (*Evrynet) Etherbase 

func (s *Evrynet) Etherbase() (eb common.Address, err error)

func (*Evrynet) EventMux 

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

func (*Evrynet) GasPrice 

func (s *Evrynet) GasPrice() *big.Int

func (*Evrynet) GetPm 

func (s *Evrynet) GetPm() *ProtocolManager

func (*Evrynet) IsListening 

func (s *Evrynet) IsListening() bool

func (*Evrynet) IsMining 

func (s *Evrynet) IsMining() bool

func (*Evrynet) Miner 

func (s *Evrynet) Miner() *miner.Miner

func (*Evrynet) NetVersion 

func (s *Evrynet) NetVersion() uint64

func (*Evrynet) Protocols 

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

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

func (*Evrynet) ResetWithGenesisBlock 

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

func (*Evrynet) SetEtherbase 

func (s *Evrynet) SetEtherbase(etherbase common.Address)

SetEtherbase sets the mining reward address.

func (*Evrynet) Start 

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

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

func (*Evrynet) StartMining 

func (s *Evrynet) StartMining(threads int) error

StartMining starts the miner with the given number of CPU threads. If mining is already running, this method adjust the number of threads allowed to use and updates the minimum price required by the transaction pool.

func (*Evrynet) Stop 

func (s *Evrynet) Stop() error

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

func (*Evrynet) StopMining 

func (s *Evrynet) StopMining()

StopMining terminates the miner, both at the consensus engine level as well as at the block creation level.

func (*Evrynet) Synced 

func (s *Evrynet) Synced() bool

func (*Evrynet) TxPool 

func (s *Evrynet) TxPool() *core.TxPool

type LesServer 

type LesServer interface {
	Start(srvr *p2p.Server)
	Stop()
	APIs() []rpc.API
	Protocols() []p2p.Protocol
	SetBloomBitsIndexer(bbIndexer *core.ChainIndexer)
}

type NodeInfo 

type NodeInfo struct {
	Network    uint64              `json:"network"`    // Evrynet 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
}

NodeInfo represents a short summary of the Evrynet sub-protocol metadata known about the host Peer.

type Peer 

type Peer struct {
	*p2p.Peer
	// contains filtered or unexported fields
}

func (*Peer) Address 

func (p *Peer) Address() common.Address

Address return Evrynet Address of a Peer

func (*Peer) AsyncSendNewBlock 

func (p *Peer) AsyncSendNewBlock(block *types.Block, td *big.Int)

AsyncSendNewBlock queues an entire block for propagation to a remote Peer. If the Peer's broadcast queue is full, the event is silently dropped.

func (*Peer) AsyncSendNewBlockHash 

func (p *Peer) AsyncSendNewBlockHash(block *types.Block)

AsyncSendNewBlockHash queues the availability of a block for propagation to a remote Peer. If the Peer's broadcast queue is full, the event is silently dropped.

func (*Peer) AsyncSendTransactions 

func (p *Peer) AsyncSendTransactions(txs []*types.Transaction)

AsyncSendTransactions queues list of transactions propagation to a remote Peer. If the Peer's broadcast queue is full, the event is silently dropped.

func (*Peer) Handshake 

func (p *Peer) Handshake(network uint64, td *big.Int, head common.Hash, genesis common.Hash) error

Handshake executes the evr protocol handshake, negotiating version number, network IDs, difficulties, head and genesis blocks.

func (*Peer) Head 

func (p *Peer) Head() (hash common.Hash, td *big.Int)

Head retrieves a copy of the current head hash and total difficulty of the Peer.

func (*Peer) Info 

func (p *Peer) Info() *PeerInfo

Info gathers and returns a collection of metadata known about a Peer.

func (*Peer) MarkBlock 

func (p *Peer) MarkBlock(hash common.Hash)

MarkBlock marks a block as known for the Peer, ensuring that the block will never be propagated to this particular Peer.

func (*Peer) MarkTransaction 

func (p *Peer) MarkTransaction(hash common.Hash)

MarkTransaction marks a transaction as known for the Peer, ensuring that it will never be propagated to this particular Peer.

func (*Peer) RequestBodies 

func (p *Peer) RequestBodies(hashes []common.Hash) error

RequestBodies fetches a batch of blocks' bodies corresponding to the hashes specified.

func (*Peer) RequestHeadersByHash 

func (p *Peer) RequestHeadersByHash(origin common.Hash, amount int, skip int, reverse bool) error

RequestHeadersByHash fetches a batch of blocks' headers corresponding to the specified header query, based on the hash of an origin block.

func (*Peer) RequestHeadersByNumber 

func (p *Peer) RequestHeadersByNumber(origin uint64, amount int, skip int, reverse bool) error

RequestHeadersByNumber fetches a batch of blocks' headers corresponding to the specified header query, based on the number of an origin block.

func (*Peer) RequestNodeData 

func (p *Peer) RequestNodeData(hashes []common.Hash) error

RequestNodeData fetches a batch of arbitrary data from a node's known state data, corresponding to the specified hashes.

func (*Peer) RequestOneHeader 

func (p *Peer) RequestOneHeader(hash common.Hash) error

RequestOneHeader is a wrapper around the header query functions to fetch a single header. It is used solely by the fetcher.

func (*Peer) RequestReceipts 

func (p *Peer) RequestReceipts(hashes []common.Hash) error

RequestReceipts fetches a batch of transaction receipts from a remote node.

func (*Peer) Send 

func (p *Peer) Send(msgcode uint64, data interface{}) error

Send writes an RLP-encoded message with the given code. data should encode as an RLP list.

func (*Peer) SendBlockBodies 

func (p *Peer) SendBlockBodies(bodies []*blockBody) error

SendBlockBodies sends a batch of block contents to the remote Peer.

func (*Peer) SendBlockBodiesRLP 

func (p *Peer) SendBlockBodiesRLP(bodies []rlp.RawValue) error

SendBlockBodiesRLP sends a batch of block contents to the remote Peer from an already RLP encoded format.

func (*Peer) SendBlockHeaders 

func (p *Peer) SendBlockHeaders(headers []*types.Header) error

SendBlockHeaders sends a batch of block headers to the remote Peer.

func (*Peer) SendNewBlock 

func (p *Peer) SendNewBlock(block *types.Block, td *big.Int) error

SendNewBlock propagates an entire block to a remote Peer.

func (*Peer) SendNewBlockHashes 

func (p *Peer) SendNewBlockHashes(hashes []common.Hash, numbers []uint64) error

SendNewBlockHashes announces the availability of a number of blocks through a hash notification.

func (*Peer) SendNodeData 

func (p *Peer) SendNodeData(data [][]byte) error

SendNodeDataRLP sends a batch of arbitrary internal data, corresponding to the hashes requested.

func (*Peer) SendReceiptsRLP 

func (p *Peer) SendReceiptsRLP(receipts []rlp.RawValue) error

SendReceiptsRLP sends a batch of transaction receipts, corresponding to the ones requested from an already RLP encoded format.

func (*Peer) SendTransactions 

func (p *Peer) SendTransactions(txs types.Transactions) error

SendTransactions sends transactions to the Peer and includes the hashes in its transaction hash set for future reference.

func (*Peer) SetHead 

func (p *Peer) SetHead(hash common.Hash, td *big.Int)

SetHead updates the head hash and total difficulty of the Peer.

func (*Peer) String 

func (p *Peer) String() string

String implements fmt.Stringer.

type PeerInfo 

type PeerInfo struct {
	Version    int      `json:"version"`    // Evrynet protocol version negotiated
	Difficulty *big.Int `json:"difficulty"` // Total difficulty of the Peer's blockchain
	Head       string   `json:"head"`       // SHA3 hash of the Peer's best owned block
}

PeerInfo represents a short summary of the Evrynet sub-protocol metadata known about a connected Peer.

type PrivateAdminAPI 

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

PrivateAdminAPI is the collection of Evrynet full node-related APIs exposed over the private admin endpoint.

func NewPrivateAdminAPI 

func NewPrivateAdminAPI(eth *Evrynet) *PrivateAdminAPI

NewPrivateAdminAPI creates a new API definition for the full node private admin methods of the Evrynet service.

func (*PrivateAdminAPI) ExportChain 

func (api *PrivateAdminAPI) ExportChain(file string) (bool, error)

ExportChain exports the current blockchain into a local file.

func (*PrivateAdminAPI) ImportChain 

func (api *PrivateAdminAPI) ImportChain(file string) (bool, error)

ImportChain imports a blockchain from a local file.

type PrivateDebugAPI 

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

PrivateDebugAPI is the collection of Evrynet full node APIs exposed over the private debugging endpoint.

func NewPrivateDebugAPI 

func NewPrivateDebugAPI(eth *Evrynet) *PrivateDebugAPI

NewPrivateDebugAPI creates a new API definition for the full node-related private debug methods of the Evrynet service.

func (*PrivateDebugAPI) GetBadBlocks 

func (api *PrivateDebugAPI) GetBadBlocks(ctx context.Context) ([]*BadBlockArgs, error)

GetBadBlocks returns a list of the last 'bad blocks' that the client has seen on the network and returns them as a JSON list of block-hashes

func (*PrivateDebugAPI) GetModifiedAccountsByHash 

func (api *PrivateDebugAPI) GetModifiedAccountsByHash(startHash common.Hash, endHash *common.Hash) ([]common.Address, error)

GetModifiedAccountsByHash returns all accounts that have changed between the two blocks specified. A change is defined as a difference in nonce, balance, code hash, or storage hash.

With one parameter, returns the list of accounts modified in the specified block.

func (*PrivateDebugAPI) GetModifiedAccountsByNumber 

func (api *PrivateDebugAPI) GetModifiedAccountsByNumber(startNum uint64, endNum *uint64) ([]common.Address, error)

GetModifiedAccountsByNumber returns all accounts that have changed between the two blocks specified. A change is defined as a difference in nonce, balance, code hash, or storage hash.

With one parameter, returns the list of accounts modified in the specified block.

func (*PrivateDebugAPI) Preimage 

func (api *PrivateDebugAPI) Preimage(ctx context.Context, hash common.Hash) (hexutil.Bytes, error)

Preimage is a debug API function that returns the preimage for a sha3 hash, if known.

func (*PrivateDebugAPI) StandardTraceBadBlockToFile 

func (api *PrivateDebugAPI) StandardTraceBadBlockToFile(ctx context.Context, hash common.Hash, config *StdTraceConfig) ([]string, error)

StandardTraceBadBlockToFile dumps the structured logs created during the execution of EVM against a block pulled from the pool of bad ones to the local file system and returns a list of files to the caller.

func (*PrivateDebugAPI) StandardTraceBlockToFile 

func (api *PrivateDebugAPI) StandardTraceBlockToFile(ctx context.Context, hash common.Hash, config *StdTraceConfig) ([]string, error)

StandardTraceBlockToFile dumps the structured logs created during the execution of EVM to the local file system and returns a list of files to the caller.

func (*PrivateDebugAPI) StorageRangeAt 

func (api *PrivateDebugAPI) StorageRangeAt(ctx context.Context, blockHash common.Hash, txIndex int, contractAddress common.Address, keyStart hexutil.Bytes, maxResult int) (StorageRangeResult, error)

StorageRangeAt returns the storage at the given block height and transaction index.

func (*PrivateDebugAPI) TraceBadBlock 

func (api *PrivateDebugAPI) TraceBadBlock(ctx context.Context, hash common.Hash, config *TraceConfig) ([]*txTraceResult, error)

TraceBadBlockByHash returns the structured logs created during the execution of EVM against a block pulled from the pool of bad ones and returns them as a JSON object.

func (*PrivateDebugAPI) TraceBlock 

func (api *PrivateDebugAPI) TraceBlock(ctx context.Context, blob []byte, config *TraceConfig) ([]*txTraceResult, error)

TraceBlock returns the structured logs created during the execution of EVM and returns them as a JSON object.

func (*PrivateDebugAPI) TraceBlockByHash 

func (api *PrivateDebugAPI) TraceBlockByHash(ctx context.Context, hash common.Hash, config *TraceConfig) ([]*txTraceResult, error)

TraceBlockByHash returns the structured logs created during the execution of EVM and returns them as a JSON object.

func (*PrivateDebugAPI) TraceBlockByNumber 

func (api *PrivateDebugAPI) TraceBlockByNumber(ctx context.Context, number rpc.BlockNumber, config *TraceConfig) ([]*txTraceResult, error)

TraceBlockByNumber returns the structured logs created during the execution of EVM and returns them as a JSON object.

func (*PrivateDebugAPI) TraceBlockFromFile 

func (api *PrivateDebugAPI) TraceBlockFromFile(ctx context.Context, file string, config *TraceConfig) ([]*txTraceResult, error)

TraceBlockFromFile returns the structured logs created during the execution of EVM and returns them as a JSON object.

func (*PrivateDebugAPI) TraceChain 

func (api *PrivateDebugAPI) TraceChain(ctx context.Context, start, end rpc.BlockNumber, config *TraceConfig) (*rpc.Subscription, error)

TraceChain returns the structured logs created during the execution of EVM between two blocks (excluding start) and returns them as a JSON object.

func (*PrivateDebugAPI) TraceTransaction 

func (api *PrivateDebugAPI) TraceTransaction(ctx context.Context, hash common.Hash, config *TraceConfig) (interface{}, error)

TraceTransaction returns the structured logs created during the execution of EVM and returns them as a JSON object.

type PrivateMinerAPI 

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

PrivateMinerAPI provides private RPC methods to control the miner. These methods can be abused by external users and must be considered insecure for use by untrusted users.

func NewPrivateMinerAPI 

func NewPrivateMinerAPI(e *Evrynet) *PrivateMinerAPI

NewPrivateMinerAPI create a new RPC service which controls the miner of this node.

func (*PrivateMinerAPI) GetHashrate 

func (api *PrivateMinerAPI) GetHashrate() uint64

GetHashrate returns the current hashrate of the miner.

func (*PrivateMinerAPI) SetEtherbase 

func (api *PrivateMinerAPI) SetEtherbase(etherbase common.Address) bool

SetEtherbase sets the etherbase of the miner

func (*PrivateMinerAPI) SetExtra 

func (api *PrivateMinerAPI) SetExtra(extra string) (bool, error)

SetExtra sets the extra data string that is included when this miner mines a block.

func (*PrivateMinerAPI) SetGasPrice 

func (api *PrivateMinerAPI) SetGasPrice(gasPrice hexutil.Big) bool

SetGasPrice sets the minimum accepted gas price for the miner.

func (*PrivateMinerAPI) SetRecommitInterval 

func (api *PrivateMinerAPI) SetRecommitInterval(interval int)

SetRecommitInterval updates the interval for miner sealing work recommitting.

func (*PrivateMinerAPI) Start 

func (api *PrivateMinerAPI) Start(threads *int) error

Start starts the miner with the given number of threads. If threads is nil, the number of workers started is equal to the number of logical CPUs that are usable by this process. If mining is already running, this method adjust the number of threads allowed to use and updates the minimum price required by the transaction pool.

func (*PrivateMinerAPI) Stop 

func (api *PrivateMinerAPI) Stop()

Stop terminates the miner, both at the consensus engine level as well as at the block creation level.

type ProtocolManager 

type ProtocolManager struct {
	SubProtocols []p2p.Protocol
	// contains filtered or unexported fields
}

func NewProtocolManager 

func NewProtocolManager(config *params.ChainConfig, mode downloader.SyncMode, networkID uint64, mux *event.TypeMux, txpool txPool, engine consensus.Engine, blockchain *core.BlockChain, chaindb evrdb.Database, cacheLimit int, whitelist map[uint64]common.Hash) (*ProtocolManager, error)

NewProtocolManager returns a new Evrynet sub protocol manager. The Evrynet sub protocol manages peers capable with the Evrynet network.

func NewTestProtocolManagerWithConsensus 

func NewTestProtocolManagerWithConsensus(engine consensus.Engine) (*ProtocolManager, error)

NewTestProtocolManagerWithConsensus return an evr.ProtocolManager with specific consensusEngine

func (*ProtocolManager) BroadcastBlock 

func (pm *ProtocolManager) BroadcastBlock(block *types.Block, propagate bool)

BroadcastBlock will either propagate a block to a subset of it's peers, or will only announce it's availability (depending what's requested).

func (*ProtocolManager) BroadcastTxs 

func (pm *ProtocolManager) BroadcastTxs(txs types.Transactions)

BroadcastTxs will propagate a batch of transactions to all peers which are not known to already have the given transaction.

func (*ProtocolManager) Enqueue 

func (pm *ProtocolManager) Enqueue(id string, block *types.Block)

Enqueue adds a block into fetcher queue

func (*ProtocolManager) FindPeers 

func (pm *ProtocolManager) FindPeers(targets map[common.Address]bool) map[common.Address]consensus.Peer

FindPeers retrives peers by addresses

func (*ProtocolManager) ForceBroadcastTxs 

func (pm *ProtocolManager) ForceBroadcastTxs(txs types.Transactions)

ForceBroadcastTxs broadcast txs to all peer this function is for testing only

func (*ProtocolManager) HandleMsg 

func (pm *ProtocolManager) HandleMsg(p *Peer) error

HandleMsg is invoked whenever an inbound message is received from a remote Peer. The remote connection is torn down upon returning any error.

func (*ProtocolManager) NewPeer 

func (pm *ProtocolManager) NewPeer(pv int, p *p2p.Peer, rw p2p.MsgReadWriter) *Peer

NewPeer reutrn a pper to abstract the connection to another node It is exported for testing purposes

func (*ProtocolManager) NodeInfo 

func (pm *ProtocolManager) NodeInfo() *NodeInfo

NodeInfo retrieves some protocol metadata about the running host node.

func (*ProtocolManager) Start 

func (pm *ProtocolManager) Start(maxPeers int)

func (*ProtocolManager) Stop 

func (pm *ProtocolManager) Stop()

type PublicDebugAPI 

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

PublicDebugAPI is the collection of Evrynet full node APIs exposed over the public debugging endpoint.

func NewPublicDebugAPI 

func NewPublicDebugAPI(eth *Evrynet) *PublicDebugAPI

NewPublicDebugAPI creates a new API definition for the full node- related public debug methods of the Evrynet service.

func (*PublicDebugAPI) DumpBlock 

func (api *PublicDebugAPI) DumpBlock(blockNr rpc.BlockNumber) (state.Dump, error)

DumpBlock retrieves the entire state of the database at a given block.

type PublicEvrynetAPI 

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

PublicEvrynetAPI provides an API to access Evrynet full node-related information.

func NewPublicEvrynetAPI 

func NewPublicEvrynetAPI(e *Evrynet) *PublicEvrynetAPI

NewPublicEvrynetAPI creates a new Evrynet protocol API for full nodes.

func (*PublicEvrynetAPI) ChainId 

func (api *PublicEvrynetAPI) ChainId() hexutil.Uint64

ChainId is the EIP-155 replay-protection chain id for the current ethereum chain config.

func (*PublicEvrynetAPI) Coinbase 

func (api *PublicEvrynetAPI) Coinbase() (common.Address, error)

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

func (*PublicEvrynetAPI) Etherbase 

func (api *PublicEvrynetAPI) Etherbase() (common.Address, error)

Etherbase is the address that mining rewards will be send to

func (*PublicEvrynetAPI) Hashrate 

func (api *PublicEvrynetAPI) Hashrate() hexutil.Uint64

Hashrate returns the POW hashrate

type PublicMinerAPI 

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

PublicMinerAPI provides an API to control the miner. It offers only methods that operate on data that pose no security risk when it is publicly accessible.

func NewPublicMinerAPI 

func NewPublicMinerAPI(e *Evrynet) *PublicMinerAPI

NewPublicMinerAPI create a new PublicMinerAPI instance.

func (*PublicMinerAPI) Mining 

func (api *PublicMinerAPI) Mining() bool

Mining returns an indication if this node is currently mining.

type StdTraceConfig 

type StdTraceConfig struct {
	*vm.LogConfig
	Reexec *uint64
	TxHash common.Hash
}

StdTraceConfig holds extra parameters to standard-json trace functions.

type StorageRangeResult 

type StorageRangeResult struct {
	Storage storageMap   `json:"storage"`
	NextKey *common.Hash `json:"nextKey"` // nil if Storage includes the last key in the trie.
}

StorageRangeResult is the result of a debug_storageRangeAt API call.

type TraceConfig 

type TraceConfig struct {
	*vm.LogConfig
	Tracer  *string
	Timeout *string
	Reexec  *uint64
}

TraceConfig holds extra parameters to trace functions.

type ULCConfig 

type ULCConfig struct {
	TrustedServers     []string `toml:",omitempty"` // A list of trusted servers
	MinTrustedFraction int      `toml:",omitempty"` // Minimum percentage of connected trusted servers to validate trusted (1-100)
}

ULCConfig is a Ultra Light client options.

Source Files

View all Source files

Directories

Path Synopsis
Package downloader contains the manual full chain synchronisation.
 Package downloader contains the manual full chain synchronisation.
Package fetcher contains the block announcement based synchronisation.
 Package fetcher contains the block announcement based synchronisation.
Package filters implements an ethereum filtering system for block, transactions and log events.
 Package filters implements an ethereum filtering system for block, transactions and log events.
Package tracers is a collection of JavaScript transaction tracers.
 Package tracers is a collection of JavaScript transaction tracers.
internal/tracers
Package tracers contains the actual JavaScript tracer assets.
 Package tracers contains the actual JavaScript tracer assets.

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