eth

package
v0.9.4 Latest Latest
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 Go to latest Published: Jan 5, 2018 License: GPL-3.0 Imports: 51 Imported by: 0

Documentation

Overview

Package eth implements the Ethereum protocol.

Package eth implements the Ethereum protocol.

Index

Constants

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

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

eth protocol message codes

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

Variables

View Source 
var DefaultConfig = Config{
	SyncMode:             downloader.FastSync,
	EthashCacheDir:       "wanhash",
	EthashCachesInMem:    2,
	EthashCachesOnDisk:   3,
	EthashDatasetsInMem:  1,
	EthashDatasetsOnDisk: 2,
	NetworkId:            1,
	LightPeers:           20,
	DatabaseCache:        128,
	GasPrice:             big.NewInt(0).Mul(big.NewInt(18*params.Shannon), params.WanGasTimesFactor),

	TxPool: core.DefaultTxPoolConfig,
	GPO: gasprice.Config{
		Blocks:     10,
		Percentile: 50,
	},
}

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

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

Number of implemented message corresponding to different protocol versions.

View Source 
var ProtocolName = "wan"

Official short name of the protocol used during capability negotiation.

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

Supported versions of the eth protocol (first is primary).

Functions

func CreateConsensusEngine 

func CreateConsensusEngine(ctx *node.ServiceContext, config *Config, chainConfig *params.ChainConfig, db ethdb.Database) consensus.Engine

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

func CreateDB 

func CreateDB(ctx *node.ServiceContext, config *Config, name string) (ethdb.Database, error)

CreateDB creates the chain database.

func NewBloomIndexer 

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

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

Types

type BlockTraceResult 

type BlockTraceResult struct {
	Validated  bool                  `json:"validated"`
	StructLogs []ethapi.StructLogRes `json:"structLogs"`
	Error      string                `json:"error"`
}

BlockTraceResult is the returned value when replaying a block to check for consensus results and full VM trace logs for all included transactions.

type BloomIndexer 

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

BloomIndexer implements a core.ChainIndexer, building up a rotated bloom bits index for the Ethereum 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(header *types.Header)

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

func (*BloomIndexer) Reset 

func (b *BloomIndexer) Reset(section uint64)

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 Ethereum 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

	// Light client options
	LightServ  int `toml:",omitempty"` // Maximum percentage of time allowed for serving LES requests
	LightPeers int `toml:",omitempty"` // Maximum number of LES client peers

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

	// Mining-related options
	Etherbase    common.Address `toml:",omitempty"`
	MinerThreads int            `toml:",omitempty"`
	ExtraData    []byte         `toml:",omitempty"`
	GasPrice     *big.Int

	// Ethash options
	EthashCacheDir       string
	EthashCachesInMem    int
	EthashCachesOnDisk   int
	EthashDatasetDir     string
	EthashDatasetsInMem  int
	EthashDatasetsOnDisk int

	// Transaction pool options
	TxPool core.TxPoolConfig

	// Gas Price Oracle options
	GPO gasprice.Config

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

	// Miscellaneous options
	DocRoot   string `toml:"-"`
	PowFake   bool   `toml:"-"`
	PowTest   bool   `toml:"-"`
	PowShared bool   `toml:"-"`
}

func (Config) MarshalTOML 

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

func (*Config) UnmarshalTOML 

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

type ContractBackend 

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

ContractBackend implements bind.ContractBackend with direct calls to Ethereum internals to support operating on contracts within subprotocols like eth and swarm.

Internally this backend uses the already exposed API endpoints of the Ethereum object. These should be rewritten to internal Go method calls when the Go API is refactored to support a clean library use.

func NewContractBackend 

func NewContractBackend(apiBackend ethapi.Backend) *ContractBackend

NewContractBackend creates a new native contract backend using an existing Ethereum object.

func (*ContractBackend) CallContract 

func (b *ContractBackend) CallContract(ctx context.Context, msg ethereum.CallMsg, blockNum *big.Int) ([]byte, error)

ContractCall implements bind.ContractCaller executing an Ethereum contract call with the specified data as the input. The pending flag requests execution against the pending block, not the stable head of the chain.

func (*ContractBackend) CodeAt 

func (b *ContractBackend) CodeAt(ctx context.Context, contract common.Address, blockNum *big.Int) ([]byte, error)

CodeAt retrieves any code associated with the contract from the local API.

func (*ContractBackend) EstimateGas 

func (b *ContractBackend) EstimateGas(ctx context.Context, msg ethereum.CallMsg) (*big.Int, error)

EstimateGasLimit implements bind.ContractTransactor triing to estimate the gas needed to execute a specific transaction based on the current pending state of the backend blockchain. There is no guarantee that this is the true gas limit requirement as other transactions may be added or removed by miners, but it should provide a basis for setting a reasonable default.

func (*ContractBackend) PendingCallContract 

func (b *ContractBackend) PendingCallContract(ctx context.Context, msg ethereum.CallMsg) ([]byte, error)

ContractCall implements bind.ContractCaller executing an Ethereum contract call with the specified data as the input. The pending flag requests execution against the pending block, not the stable head of the chain.

func (*ContractBackend) PendingCodeAt 

func (b *ContractBackend) PendingCodeAt(ctx context.Context, contract common.Address) ([]byte, error)

CodeAt retrieves any code associated with the contract from the local API.

func (*ContractBackend) PendingNonceAt 

func (b *ContractBackend) PendingNonceAt(ctx context.Context, account common.Address) (nonce uint64, err error)

PendingAccountNonce implements bind.ContractTransactor retrieving the current pending nonce associated with an account.

func (*ContractBackend) SendTransaction 

func (b *ContractBackend) SendTransaction(ctx context.Context, tx *types.Transaction) error

SendTransaction implements bind.ContractTransactor injects the transaction into the pending pool for execution.

func (*ContractBackend) SuggestGasPrice 

func (b *ContractBackend) SuggestGasPrice(ctx context.Context) (*big.Int, error)

SuggestGasPrice implements bind.ContractTransactor retrieving the currently suggested gas price to allow a timely execution of a transaction.

type EthApiBackend 

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

EthApiBackend implements ethapi.Backend for full nodes

func (*EthApiBackend) AccountManager 

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

func (*EthApiBackend) BlockByNumber 

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

func (*EthApiBackend) BloomStatus 

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

func (*EthApiBackend) ChainConfig 

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

func (*EthApiBackend) ChainDb 

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

func (*EthApiBackend) CurrentBlock 

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

func (*EthApiBackend) Downloader 

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

func (*EthApiBackend) EventMux 

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

func (*EthApiBackend) GetBlock 

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

func (*EthApiBackend) GetEVM 

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

func (*EthApiBackend) GetPoolNonce 

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

func (*EthApiBackend) GetPoolTransaction 

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

func (*EthApiBackend) GetPoolTransactions 

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

func (*EthApiBackend) GetReceipts 

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

func (*EthApiBackend) GetTd 

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

func (*EthApiBackend) HeaderByNumber 

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

func (*EthApiBackend) ProtocolVersion 

func (b *EthApiBackend) ProtocolVersion() int

func (*EthApiBackend) SendTx 

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

func (*EthApiBackend) ServiceFilter 

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

func (*EthApiBackend) SetHead 

func (b *EthApiBackend) SetHead(number uint64)

func (*EthApiBackend) StateAndHeaderByNumber 

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

func (*EthApiBackend) Stats 

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

func (*EthApiBackend) SubscribeChainEvent 

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

func (*EthApiBackend) SubscribeChainHeadEvent 

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

func (*EthApiBackend) SubscribeChainSideEvent 

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

func (*EthApiBackend) SubscribeLogsEvent 

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

func (*EthApiBackend) SubscribeRemovedLogsEvent 

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

func (*EthApiBackend) SubscribeTxPreEvent 

func (b *EthApiBackend) SubscribeTxPreEvent(ch chan<- core.TxPreEvent) event.Subscription

func (*EthApiBackend) SuggestPrice 

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

func (*EthApiBackend) TxPoolContent 

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

type EthNodeInfo 

type EthNodeInfo struct {
	Network    uint64      `json:"network"`    // Ethereum network ID (1=Frontier, 2=Morden, Ropsten=3)
	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
	Head       common.Hash `json:"head"`       // SHA3 hash of the host's best owned block
}

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

type Ethereum 

type Ethereum struct {
	ApiBackend *EthApiBackend
	// contains filtered or unexported fields
}

Ethereum implements the Ethereum full node service.

func New 

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

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

func (*Ethereum) APIs 

func (s *Ethereum) 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 (*Ethereum) AccountManager 

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

func (*Ethereum) AddLesServer 

func (s *Ethereum) AddLesServer(ls LesServer)

func (*Ethereum) BlockChain 

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

func (*Ethereum) ChainDb 

func (s *Ethereum) ChainDb() ethdb.Database

func (*Ethereum) Downloader 

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

func (*Ethereum) Engine 

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

func (*Ethereum) EthVersion 

func (s *Ethereum) EthVersion() int

func (*Ethereum) Etherbase 

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

func (*Ethereum) EventMux 

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

func (*Ethereum) IsListening 

func (s *Ethereum) IsListening() bool

func (*Ethereum) IsMining 

func (s *Ethereum) IsMining() bool

func (*Ethereum) Miner 

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

func (*Ethereum) NetVersion 

func (s *Ethereum) NetVersion() uint64

func (*Ethereum) Protocols 

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

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

func (*Ethereum) ResetWithGenesisBlock 

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

func (*Ethereum) SetEtherbase 

func (self *Ethereum) SetEtherbase(etherbase common.Address)

set in js console via admin interface or wrapper from cli flags

func (*Ethereum) Start 

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

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

func (*Ethereum) StartMining 

func (s *Ethereum) StartMining(local bool) error

func (*Ethereum) Stop 

func (s *Ethereum) Stop() error

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

func (*Ethereum) StopMining 

func (s *Ethereum) StopMining()

func (*Ethereum) TxPool 

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

type LesServer 

type LesServer interface {
	Start(srvr *p2p.Server)
	Stop()
	Protocols() []p2p.Protocol
}

type PeerInfo 

type PeerInfo struct {
	Version    int      `json:"version"`    // Ethereum 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 Ethereum sub-protocol metadata known about a connected peer.

type PrivateAdminAPI 

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

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

func NewPrivateAdminAPI 

func NewPrivateAdminAPI(eth *Ethereum) *PrivateAdminAPI

NewPrivateAdminAPI creates a new API definition for the full node private admin methods of the Ethereum 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 Ethereum full node APIs exposed over the private debugging endpoint.

func NewPrivateDebugAPI 

func NewPrivateDebugAPI(config *params.ChainConfig, eth *Ethereum) *PrivateDebugAPI

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

func (*PrivateDebugAPI) GetBadBlocks 

func (api *PrivateDebugAPI) GetBadBlocks(ctx context.Context) ([]core.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) 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) 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) TraceBlock 

func (api *PrivateDebugAPI) TraceBlock(blockRlp []byte, config *vm.LogConfig) BlockTraceResult

TraceBlock processes the given block'api RLP but does not import the block in to the chain.

func (*PrivateDebugAPI) TraceBlockByHash 

func (api *PrivateDebugAPI) TraceBlockByHash(hash common.Hash, config *vm.LogConfig) BlockTraceResult

TraceBlockByHash processes the block by hash.

func (*PrivateDebugAPI) TraceBlockByNumber 

func (api *PrivateDebugAPI) TraceBlockByNumber(blockNr rpc.BlockNumber, config *vm.LogConfig) BlockTraceResult

TraceBlockByNumber processes the block by canonical block number.

func (*PrivateDebugAPI) TraceBlockFromFile 

func (api *PrivateDebugAPI) TraceBlockFromFile(file string, config *vm.LogConfig) BlockTraceResult

TraceBlockFromFile loads the block'api RLP from the given file name and attempts to process it but does not import the block in to the chain.

func (*PrivateDebugAPI) TraceTransaction 

func (api *PrivateDebugAPI) TraceTransaction(ctx context.Context, txHash common.Hash, config *TraceArgs) (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 *Ethereum) *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) Start 

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

Start 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.

func (*PrivateMinerAPI) Stop 

func (api *PrivateMinerAPI) Stop() bool

Stop the miner

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 ethdb.Database) (*ProtocolManager, error)

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

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) BroadcastTx 

func (pm *ProtocolManager) BroadcastTx(hash common.Hash, tx *types.Transaction)

BroadcastTx will propagate a transaction to all peers which are not known to already have the given transaction.

func (*ProtocolManager) NodeInfo 

func (self *ProtocolManager) NodeInfo() *EthNodeInfo

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 Ethereum full node APIs exposed over the public debugging endpoint.

func NewPublicDebugAPI 

func NewPublicDebugAPI(eth *Ethereum) *PublicDebugAPI

NewPublicDebugAPI creates a new API definition for the full node- related public debug methods of the Ethereum 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 PublicEthereumAPI 

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

PublicEthereumAPI provides an API to access Ethereum full node-related information.

func NewPublicEthereumAPI 

func NewPublicEthereumAPI(e *Ethereum) *PublicEthereumAPI

NewPublicEthereumAPI creates a new Ethereum protocol API for full nodes.

func (*PublicEthereumAPI) Coinbase 

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

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

func (*PublicEthereumAPI) Etherbase 

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

Etherbase is the address that mining rewards will be send to

func (*PublicEthereumAPI) Hashrate 

func (api *PublicEthereumAPI) 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 *Ethereum) *PublicMinerAPI

NewPublicMinerAPI create a new PublicMinerAPI instance.

func (*PublicMinerAPI) GetWork 

func (api *PublicMinerAPI) GetWork() ([3]string, error)

GetWork returns a work package for external miner. The work package consists of 3 strings result[0], 32 bytes hex encoded current block header pow-hash result[1], 32 bytes hex encoded seed hash used for DAG result[2], 32 bytes hex encoded boundary condition ("target"), 2^256/difficulty

func (*PublicMinerAPI) Mining 

func (api *PublicMinerAPI) Mining() bool

Mining returns an indication if this node is currently mining.

func (*PublicMinerAPI) SubmitHashrate 

func (api *PublicMinerAPI) SubmitHashrate(hashrate hexutil.Uint64, id common.Hash) bool

SubmitHashrate can be used for remote miners to submit their hash rate. This enables the node to report the combined hash rate of all miners which submit work through this node. It accepts the miner hash rate and an identifier which must be unique between nodes.

func (*PublicMinerAPI) SubmitWork 

func (api *PublicMinerAPI) SubmitWork(nonce types.BlockNonce, solution, digest common.Hash) bool

SubmitWork can be used by external miner to submit their POW solution. It returns an indication if the work was accepted. Note, this is not an indication if the provided work was valid!

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 TraceArgs 

type TraceArgs struct {
	*vm.LogConfig
	Tracer  *string
	Timeout *string
}

TraceArgs holds extra parameters to trace functions

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.

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