eth

package
v5.5.2+incompatible Latest Latest
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 Go to latest Published: Nov 8, 2018 License: GPL-3.0 Imports: 46 Imported by: 0

Documentation

Overview

Package eth implements the Ethereum protocol.

Index

Constants

View Source 
const (
	NetworkId          = 1
	ProtocolMaxMsgSize = 10 * 1024 * 1024 // Maximum cap on the size of a protocol message
)
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
)

Variables

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

Number of implemented message corresponding to different protocol versions.

View Source 
var ProtocolName = "eth"

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 GPUBench 

func GPUBench(gpuid uint64)

func PrintOpenCLDevices 

func PrintOpenCLDevices()

func ProtocolMessageStringer 

func ProtocolMessageStringer(m uint) string

Types

type CallArgs 

type CallArgs struct {
	From     common.Address  `json:"from"`
	To       *common.Address `json:"to"`
	Gas      *rpc.HexNumber  `json:"gas"`
	GasPrice *rpc.HexNumber  `json:"gasPrice"`
	Value    rpc.HexNumber   `json:"value"`
	Data     string          `json:"data"`
}

CallArgs represents the arguments for a call.

type Config 

type Config struct {
	ChainConfig *core.ChainConfig // chain configuration

	NetworkId int // Network ID to use for selecting peers to connect to
	Genesis   *core.GenesisDump
	FastSync  bool // Enables the state download based fast synchronisation algorithm
	MaxPeers  int

	BlockChainVersion  int
	SkipBcVersionCheck bool // e.g. blockchain export
	DatabaseCache      int
	DatabaseHandles    int

	NatSpec   bool
	DocRoot   string
	AutoDAG   bool
	PowTest   bool
	PowShared bool

	AccountManager *accounts.Manager
	Etherbase      common.Address
	GasPrice       *big.Int
	MinerThreads   int
	SolcPath       string

	UseAddrTxIndex bool

	GpoMinGasPrice          *big.Int
	GpoMaxGasPrice          *big.Int
	GpoFullBlockRatio       int
	GpobaseStepDown         int
	GpobaseStepUp           int
	GpobaseCorrectionFactor int

	TestGenesisBlock *types.Block   // Genesis block to seed the chain database with (testing only!)
	TestGenesisState ethdb.Database // Genesis state to seed the database with (testing only!)
}

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(eth *Ethereum) *ContractBackend

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

func (*ContractBackend) ContractCall 

func (b *ContractBackend) ContractCall(contract common.Address, data []byte, pending bool) ([]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) EstimateGasLimit 

func (b *ContractBackend) EstimateGasLimit(sender common.Address, contract *common.Address, value *big.Int, data []byte) (*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) HasCode 

func (b *ContractBackend) HasCode(contract common.Address, pending bool) (bool, error)

HasCode implements bind.ContractVerifier.HasCode by retrieving any code associated with the contract from the local API, and checking its size.

func (*ContractBackend) PendingAccountNonce 

func (b *ContractBackend) PendingAccountNonce(account common.Address) (uint64, error)

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

func (*ContractBackend) SendTransaction 

func (b *ContractBackend) SendTransaction(tx *types.Transaction) error

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

func (*ContractBackend) SuggestGasPrice 

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

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

type EthNodeInfo 

type EthNodeInfo struct {
	Network    int         `json:"network"`    // Ethereum network ID (1=Mainnet, 2=Morden)
	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 {
	SolcPath string

	GpoMinGasPrice          *big.Int
	GpoMaxGasPrice          *big.Int
	GpoFullBlockRatio       int
	GpobaseStepDown         int
	GpobaseStepUp           int
	GpobaseCorrectionFactor int

	Mining       bool
	MinerThreads int
	NatSpec      bool
	AutoDAG      bool
	PowTest      bool
	// contains filtered or unexported fields
}

func New 

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

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) BlockChain 

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

func (*Ethereum) ChainConfig 

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

func (*Ethereum) ChainDb 

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

func (*Ethereum) DappDb 

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

func (*Ethereum) Downloader 

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

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) HTTPClient 

func (self *Ethereum) HTTPClient() *httpclient.HTTPClient

HTTPClient returns the light http client used for fetching offchain docs (natspec, source for verification)

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() int

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) SetSolc 

func (self *Ethereum) SetSolc(solcPath string) (*compiler.Solidity, error)

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

func (*Ethereum) Solc 

func (self *Ethereum) Solc() (*compiler.Solidity, error)

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) StartAutoDAG 

func (self *Ethereum) StartAutoDAG()

StartAutoDAG() spawns a go routine that checks the DAG every autoDAGcheckInterval by default that is 10 times per epoch in epoch n, if we past autoDAGepochHeight within-epoch blocks, it calls ethash.MakeDAG to pregenerate the DAG for the next epoch n+1 if it does not exist yet as well as remove the DAG for epoch n-1 the loop quits if autodagquit channel is closed, it can safely restart and stop any number of times. For any more sophisticated pattern of DAG generation, use CLI subcommand makedag

func (*Ethereum) StartMining 

func (s *Ethereum) StartMining(threads int, gpus string) error

func (*Ethereum) Stop 

func (s *Ethereum) Stop() error

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

func (*Ethereum) StopAutoDAG 

func (self *Ethereum) StopAutoDAG()

stopAutoDAG stops automatic DAG pregeneration by quitting the loop

func (*Ethereum) StopMining 

func (s *Ethereum) StopMining()

func (*Ethereum) TxPool 

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

func (*Ethereum) WaitForShutdown 

func (s *Ethereum) WaitForShutdown()

This function will wait for a shutdown and resumes main thread execution

type ExecutionResult 

type ExecutionResult struct {
	Gas         *big.Int `json:"gas"`
	ReturnValue string   `json:"returnValue"`
}

ExecutionResult groups all structured logs emitted by the EVM while replaying a transaction in debug mode as well as the amount of gas used and the return value

type GasPriceOracle 

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

GasPriceOracle recommends gas prices based on the content of recent blocks.

func NewGasPriceOracle 

func NewGasPriceOracle(eth *Ethereum) *GasPriceOracle

NewGasPriceOracle returns a new oracle.

func (*GasPriceOracle) SuggestPrice 

func (self *GasPriceOracle) SuggestPrice() *big.Int

SuggestPrice returns the recommended gas price.

type NewBlocksArgs 

type NewBlocksArgs struct {
	IncludeTransactions bool `json:"includeTransactions"`
	TransactionDetails  bool `json:"transactionDetails"`
}

NewBlocksArgs allows the user to specify if the returned block should include transactions and in which format.

type PMHandlerAddEvent 

type PMHandlerAddEvent struct {
	PMPeersLen int
	PMBestPeer *peer
	Peer       *peer
}

type PMHandlerRemoveEvent 

type PMHandlerRemoveEvent struct {
	PMPeersLen int
	PMBestPeer *peer
	Peer       *peer
}

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 PrivateAccountAPI 

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

PrivateAccountAPI provides an API to access accounts managed by this node. It offers methods to create, (un)lock en list accounts. Some methods accept passwords and are therefore considered private by default.

func NewPrivateAccountAPI 

func NewPrivateAccountAPI(e *Ethereum) *PrivateAccountAPI

NewPrivateAccountAPI create a new PrivateAccountAPI.

func (*PrivateAccountAPI) EcRecover 

func (s *PrivateAccountAPI) EcRecover(data, sig hexutil.Bytes) (common.Address, error)

EcRecover returns the address for the account that was used to create the signature. Note, this function is compatible with eth_sign and personal_sign. As such it recovers the address of: hash = keccak256("\x19Ethereum Signed Message:\n"${message length}${message}) addr = ecrecover(hash, signature)

Note, the signature must conform to the secp256k1 curve R, S and V values, where the V value must be be 27 or 28 for legacy reasons.

https://github.com/ethereum/go-ethereum/wiki/Management-APIs#personal_ecRecover

func (*PrivateAccountAPI) ImportRawKey 

func (s *PrivateAccountAPI) ImportRawKey(privkey string, password string) (common.Address, error)

ImportRawKey stores the given hex encoded ECDSA key into the key directory, encrypting it with the passphrase.

func (*PrivateAccountAPI) ListAccounts 

func (s *PrivateAccountAPI) ListAccounts() []common.Address

ListAccounts will return a list of addresses for accounts this node manages.

func (*PrivateAccountAPI) LockAccount 

func (s *PrivateAccountAPI) LockAccount(addr common.Address) bool

LockAccount will lock the account associated with the given address when it's unlocked.

func (*PrivateAccountAPI) NewAccount 

func (s *PrivateAccountAPI) NewAccount(password string) (common.Address, error)

NewAccount will create a new account and returns the address for the new account.

func (*PrivateAccountAPI) SendTransaction 

func (s *PrivateAccountAPI) SendTransaction(args SendTxArgs, passwd string) (common.Hash, error)

SendTransaction will create a transaction from the given arguments and tries to sign it with the key associated with args.To. If the given passwd isn't able to decrypt the key it fails.

func (*PrivateAccountAPI) Sign 

func (s *PrivateAccountAPI) Sign(data hexutil.Bytes, addr common.Address, passwd string) (hexutil.Bytes, error)

Sign calculates an Ethereum ECDSA signature for: keccack256("\x19Ethereum Signed Message:\n" + len(message) + message))

Note, the produced signature conforms to the secp256k1 curve R, S and V values, where the V value will be 27 or 28 for legacy reasons.

The key used to calculate the signature is decrypted with the given password.

https://github.com/ethereum/go-ethereum/wiki/Management-APIs#personal_sign

func (*PrivateAccountAPI) SignAndSendTransaction 

func (s *PrivateAccountAPI) SignAndSendTransaction(args SendTxArgs, passwd string) (common.Hash, error)

SignAndSendTransaction was renamed to SendTransaction. This method is deprecated and will be removed in the future. It primary goal is to give clients time to update.

func (*PrivateAccountAPI) UnlockAccount 

func (s *PrivateAccountAPI) UnlockAccount(addr common.Address, password string, duration *rpc.HexNumber) (bool, error)

UnlockAccount will unlock the account associated with the given address with the given password for duration seconds. If duration is nil it will use a default of 300 seconds. It returns an indication if the account was unlocked.

type PrivateAdminAPI 

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

PrivateAdminAPI is the collection of Etheruem APIs exposed over the private admin endpoint.

func NewPrivateAdminAPI 

func NewPrivateAdminAPI(eth *Ethereum) *PrivateAdminAPI

NewPrivateAdminAPI creates a new API definition for the 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.

func (*PrivateAdminAPI) SetSolc 

func (api *PrivateAdminAPI) SetSolc(path string) (string, error)

SetSolc sets the Solidity compiler path to be used by the node.

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) MakeDAG 

func (s *PrivateMinerAPI) MakeDAG(blockNr rpc.BlockNumber) (bool, error)

MakeDAG creates the new DAG for the given block number

func (*PrivateMinerAPI) SetEtherbase 

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

SetEtherbase sets the etherbase of the miner

func (*PrivateMinerAPI) SetExtra 

func (s *PrivateMinerAPI) SetExtra(b hexutil.Bytes) bool

StopAutoDAG stops auto DAG generation

func (*PrivateMinerAPI) SetGasPrice 

func (s *PrivateMinerAPI) SetGasPrice(gasPrice rpc.HexNumber) bool

SetGasPrice sets the minimum accepted gas price for the miner.

func (*PrivateMinerAPI) Start 

func (s *PrivateMinerAPI) Start(threads *rpc.HexNumber) (bool, 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 CPU's that are usable by this process.

func (*PrivateMinerAPI) StartAutoDAG 

func (s *PrivateMinerAPI) StartAutoDAG() bool

StartAutoDAG starts auto DAG generation. This will prevent the DAG generating on epoch change which will cause the node to stop mining during the generation process.

func (*PrivateMinerAPI) Stop 

func (s *PrivateMinerAPI) Stop() bool

Stop the miner

func (*PrivateMinerAPI) StopAutoDAG 

func (s *PrivateMinerAPI) StopAutoDAG() bool

StopAutoDAG stops auto DAG generation

type ProtocolManager 

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

func NewProtocolManager 

func NewProtocolManager(config *core.ChainConfig, mode downloader.SyncMode, networkId uint64, mux *event.TypeMux, txpool txPool, pow pow.PoW, 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 PublicAccountAPI 

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

PublicAccountAPI provides an API to access accounts managed by this node. It offers only methods that can retrieve accounts.

func NewPublicAccountAPI 

func NewPublicAccountAPI(am *accounts.Manager) *PublicAccountAPI

NewPublicAccountAPI creates a new PublicAccountAPI.

func (*PublicAccountAPI) Accounts 

func (s *PublicAccountAPI) Accounts() []accounts.Account

Accounts returns the collection of accounts this node manages

type PublicBlockChainAPI 

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

PublicBlockChainAPI provides an API to access the Ethereum blockchain. It offers only methods that operate on public data that is freely available to anyone.

func NewPublicBlockChainAPI 

func NewPublicBlockChainAPI(config *core.ChainConfig, bc *core.BlockChain, m *miner.Miner, chainDb ethdb.Database, gpo *GasPriceOracle, eventMux *event.TypeMux, am *accounts.Manager) *PublicBlockChainAPI

NewPublicBlockChainAPI creates a new Etheruem blockchain API.

func (*PublicBlockChainAPI) BlockNumber 

func (s *PublicBlockChainAPI) BlockNumber() *big.Int

BlockNumber returns the block number of the chain head.

func (*PublicBlockChainAPI) Call 

func (s *PublicBlockChainAPI) Call(args CallArgs, blockNr rpc.BlockNumber) (string, error)

Call executes the given transaction on the state for the given block number. It doesn't make and changes in the state/blockchain and is useful to execute and retrieve values.

func (*PublicBlockChainAPI) EstimateGas 

func (s *PublicBlockChainAPI) EstimateGas(args CallArgs) (*rpc.HexNumber, error)

EstimateGas returns an estimate of the amount of gas needed to execute the given transaction.

func (*PublicBlockChainAPI) GetBalance 

func (s *PublicBlockChainAPI) GetBalance(address common.Address, blockNr rpc.BlockNumber) (*big.Int, error)

GetBalance returns the amount of wei for the given address in the state of the given block number. The rpc.LatestBlockNumber and rpc.PendingBlockNumber meta block numbers are also allowed.

func (*PublicBlockChainAPI) GetBlockByHash 

func (s *PublicBlockChainAPI) GetBlockByHash(blockHash common.Hash, fullTx bool) (map[string]interface{}, error)

GetBlockByHash returns the requested block. When fullTx is true all transactions in the block are returned in full detail, otherwise only the transaction hash is returned.

func (*PublicBlockChainAPI) GetBlockByNumber 

func (s *PublicBlockChainAPI) GetBlockByNumber(blockNr rpc.BlockNumber, fullTx bool) (map[string]interface{}, error)

GetBlockByNumber returns the requested block. When blockNr is -1 the chain head is returned. When fullTx is true all transactions in the block are returned in full detail, otherwise only the transaction hash is returned.

func (*PublicBlockChainAPI) GetCode 

func (s *PublicBlockChainAPI) GetCode(address common.Address, blockNr rpc.BlockNumber) (string, error)

GetCode returns the code stored at the given address in the state for the given block number.

func (*PublicBlockChainAPI) GetStorageAt 

func (s *PublicBlockChainAPI) GetStorageAt(address common.Address, key string, blockNr rpc.BlockNumber) (string, error)

GetStorageAt returns the storage from the state at the given address, key and block number. The rpc.LatestBlockNumber and rpc.PendingBlockNumber meta block numbers are also allowed.

func (*PublicBlockChainAPI) GetUncleByBlockHashAndIndex 

func (s *PublicBlockChainAPI) GetUncleByBlockHashAndIndex(blockHash common.Hash, index rpc.HexNumber) (map[string]interface{}, error)

GetUncleByBlockHashAndIndex returns the uncle block for the given block hash and index. When fullTx is true all transactions in the block are returned in full detail, otherwise only the transaction hash is returned.

func (*PublicBlockChainAPI) GetUncleByBlockNumberAndIndex 

func (s *PublicBlockChainAPI) GetUncleByBlockNumberAndIndex(blockNr rpc.BlockNumber, index rpc.HexNumber) (map[string]interface{}, error)

GetUncleByBlockNumberAndIndex returns the uncle block for the given block hash and index. When fullTx is true all transactions in the block are returned in full detail, otherwise only the transaction hash is returned.

func (*PublicBlockChainAPI) GetUncleCountByBlockHash 

func (s *PublicBlockChainAPI) GetUncleCountByBlockHash(blockHash common.Hash) *rpc.HexNumber

GetUncleCountByBlockHash returns number of uncles in the block for the given block hash

func (*PublicBlockChainAPI) GetUncleCountByBlockNumber 

func (s *PublicBlockChainAPI) GetUncleCountByBlockNumber(blockNr rpc.BlockNumber) *rpc.HexNumber

GetUncleCountByBlockNumber returns number of uncles in the block for the given block number

func (*PublicBlockChainAPI) NewBlocks 

func (s *PublicBlockChainAPI) NewBlocks(ctx context.Context, args NewBlocksArgs) (rpc.Subscription, error)

NewBlocks triggers a new block event each time a block is appended to the chain. It accepts an argument which allows the caller to specify whether the output should contain transactions and in what format.

func (*PublicBlockChainAPI) Sign 

func (s *PublicBlockChainAPI) Sign(addr common.Address, data hexutil.Bytes) (hexutil.Bytes, error)

Sign signs the given hash using the key that matches the address. The key must be unlocked in order to sign the hash.

func (*PublicBlockChainAPI) TraceCall 

func (s *PublicBlockChainAPI) TraceCall(args CallArgs, blockNr rpc.BlockNumber) (*ExecutionResult, error)

TraceCall executes a call and returns the amount of gas and optionally returned values.

type PublicDebugAPI 

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

PublicDebugAPI is the collection of Etheruem APIs exposed over the public debugging endpoint.

func NewPublicDebugAPI 

func NewPublicDebugAPI(eth *Ethereum) *PublicDebugAPI

NewPublicDebugAPI creates a new API definition for the public debug methods of the Ethereum service.

func (*PublicDebugAPI) AccountExist 

func (api *PublicDebugAPI) AccountExist(address common.Address, number uint64) (bool, error)

AccountExist checks whether an address is considered exists at a given block.

func (*PublicDebugAPI) DumpBlock 

func (api *PublicDebugAPI) DumpBlock(number uint64) (state.Dump, error)

DumpBlock retrieves the entire state of the database at a given block. TODO: update to be able to dump for specific addresses?

func (*PublicDebugAPI) GetBlockRlp 

func (api *PublicDebugAPI) GetBlockRlp(number uint64) (string, error)

GetBlockRlp retrieves the RLP encoded for of a single block.

func (*PublicDebugAPI) Metrics 

func (api *PublicDebugAPI) Metrics(raw bool) (map[string]interface{}, error)

Metrics return all available registered metrics for the client. See https://github.com/ethereumproject/go-ethereum/wiki/Metrics-and-Monitoring for prophetic documentation.

func (*PublicDebugAPI) PrintBlock 

func (api *PublicDebugAPI) PrintBlock(number uint64) (string, error)

PrintBlock retrieves a block and returns its pretty printed form.

func (*PublicDebugAPI) SeedHash 

func (api *PublicDebugAPI) SeedHash(number uint64) (string, error)

SeedHash retrieves the seed hash of a block.

func (*PublicDebugAPI) SetHead 

func (api *PublicDebugAPI) SetHead(number uint64) (bool, error)

func (*PublicDebugAPI) TraceTransaction 

func (s *PublicDebugAPI) TraceTransaction(txHash common.Hash) (*ExecutionResult, error)

TraceTransaction returns the amount of gas and execution result of the given transaction.

func (*PublicDebugAPI) Verbosity 

func (api *PublicDebugAPI) Verbosity(n uint64) (int, error)

Verbosity implements api method debug_verbosity, enabling setting global logging verbosity on the fly. Note that it will NOT allow setting verbosity '0', which is effectively 'off'. In place of ability to receive 0 as a functional parameter, debug.verbosity() -> debug.verbosity(0) -> glog.GetVerbosity(). creates a shorthand/convenience method as a "getter" function returning the current value of the verbosity setting.

func (*PublicDebugAPI) Vmodule 

func (api *PublicDebugAPI) Vmodule(s string) (string, error)

Vmodule implements api method debug_vmodule, enabling setting glog per-module verbosity settings on the fly.

type PublicEthereumAPI 

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

PublicEthereumAPI provides an API to access Ethereum related information. It offers only methods that operate on public data that is freely available to anyone.

func NewPublicEthereumAPI 

func NewPublicEthereumAPI(e *Ethereum) *PublicEthereumAPI

NewPublicEthereumAPI creates a new Ethereum protocol API.

func (*PublicEthereumAPI) ChainId 

func (s *PublicEthereumAPI) ChainId() *big.Int

ChainId returns the chain-configured value for EIP-155 chain id, used in signing protected txs. If EIP-155 is not configured it will return 0. Number will be returned as a string in hexadecimal format. 61 - Mainnet $((0x3d)) 62 - Morden $((0x3e))

func (*PublicEthereumAPI) Coinbase 

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

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

func (*PublicEthereumAPI) CompileSolidity 

func (s *PublicEthereumAPI) CompileSolidity(source string) (map[string]*compiler.Contract, error)

CompileSolidity compiles the given solidity source

func (*PublicEthereumAPI) Etherbase 

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

Etherbase is the address that mining rewards will be send to

func (*PublicEthereumAPI) GasPrice 

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

GasPrice returns a suggestion for a gas price.

func (*PublicEthereumAPI) GetCompilers 

func (s *PublicEthereumAPI) GetCompilers() ([]string, error)

GetCompilers returns the collection of available smart contract compilers

func (*PublicEthereumAPI) Hashrate 

func (s *PublicEthereumAPI) Hashrate() *rpc.HexNumber

Hashrate returns the POW hashrate

func (*PublicEthereumAPI) ProtocolVersion 

func (s *PublicEthereumAPI) ProtocolVersion() *rpc.HexNumber

ProtocolVersion returns the current Ethereum protocol version this node supports

func (*PublicEthereumAPI) Syncing 

func (s *PublicEthereumAPI) Syncing() (interface{}, error)

Syncing returns false in case the node is currently not syncing with the network. It can be up to date or has not yet received the latest block headers from its pears. In case it is synchronizing: - startingBlock: block number this node started to synchronise from - currentBlock: block number this node is currently importing - highestBlock: block number of the highest block header this node has received from peers - pulledStates: number of state entries processed until now - knownStates: number of known state entries that still need to be pulled

type PublicGethAPI 

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

PublicDebugAPI is the collection of Etheruem APIs exposed over the public debugging endpoint.

func NewPublicGethAPI 

func NewPublicGethAPI(eth *Ethereum) *PublicGethAPI

NewPublicDebugAPI creates a new API definition for the public debug methods of the Ethereum service.

func (*PublicGethAPI) BuildATXI 

func (api *PublicGethAPI) BuildATXI(start, stop, step rpc.BlockNumber) (bool, error)

func (*PublicGethAPI) GetATXIBuildStatus 

func (api *PublicGethAPI) GetATXIBuildStatus() (*core.AtxiProgressT, error)

func (*PublicGethAPI) GetAddressTransactions 

func (api *PublicGethAPI) GetAddressTransactions(address common.Address, blockStartN uint64, blockEndN rpc.BlockNumber, toOrFrom string, txKindOf string, pagStart, pagEnd int, reverse bool) (list []string, err error)

AddressTransactions gets transactions for a given address. Optional values include start and stop block numbers, and to/from/both value for tx/address relation. Returns a slice of strings of transactions hashes.

func (*PublicGethAPI) GetTransactionsByAddress 

func (api *PublicGethAPI) GetTransactionsByAddress(address common.Address, blockStartN uint64, blockEndN rpc.BlockNumber, toOrFrom string, txKindOf string, pagStart, pagEnd int, reverse bool) (list []string, err error)

GetTransactionsByAddress is an alias for GetAddressTransactions which aligns more closely with established eth_transaction api namespace

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 (s *PublicMinerAPI) GetWork() (work [3]string, err 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 (s *PublicMinerAPI) Mining() bool

Mining returns an indication if this node is currently mining.

func (*PublicMinerAPI) SubmitHashrate 

func (s *PublicMinerAPI) SubmitHashrate(hashrate rpc.HexNumber, 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 (s *PublicMinerAPI) SubmitWork(nonce rpc.HexNumber, 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 PublicNetAPI 

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

PublicNetAPI offers network related RPC methods

func NewPublicNetAPI 

func NewPublicNetAPI(net *p2p.Server, networkVersion int) *PublicNetAPI

NewPublicNetAPI creates a new net API instance.

func (*PublicNetAPI) Listening 

func (s *PublicNetAPI) Listening() bool

Listening returns an indication if the node is listening for network connections.

func (*PublicNetAPI) PeerCount 

func (s *PublicNetAPI) PeerCount() *rpc.HexNumber

PeerCount returns the number of connected peers

func (*PublicNetAPI) Version 

func (s *PublicNetAPI) Version() string

Version returns the current ethereum protocol version.

type PublicTransactionPoolAPI 

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

PublicTransactionPoolAPI exposes methods for the RPC interface

func NewPublicTransactionPoolAPI 

func NewPublicTransactionPoolAPI(e *Ethereum) *PublicTransactionPoolAPI

NewPublicTransactionPoolAPI creates a new RPC service with methods specific for the transaction pool.

func (*PublicTransactionPoolAPI) GetBlockTransactionCountByHash 

func (s *PublicTransactionPoolAPI) GetBlockTransactionCountByHash(blockHash common.Hash) *rpc.HexNumber

GetBlockTransactionCountByHash returns the number of transactions in the block with the given hash.

func (*PublicTransactionPoolAPI) GetBlockTransactionCountByNumber 

func (s *PublicTransactionPoolAPI) GetBlockTransactionCountByNumber(blockNr rpc.BlockNumber) *rpc.HexNumber

GetBlockTransactionCountByNumber returns the number of transactions in the block with the given block number.

func (*PublicTransactionPoolAPI) GetTransactionByBlockHashAndIndex 

func (s *PublicTransactionPoolAPI) GetTransactionByBlockHashAndIndex(blockHash common.Hash, index rpc.HexNumber) (*RPCTransaction, error)

GetTransactionByBlockHashAndIndex returns the transaction for the given block hash and index.

func (*PublicTransactionPoolAPI) GetTransactionByBlockNumberAndIndex 

func (s *PublicTransactionPoolAPI) GetTransactionByBlockNumberAndIndex(blockNr rpc.BlockNumber, index rpc.HexNumber) (*RPCTransaction, error)

GetTransactionByBlockNumberAndIndex returns the transaction for the given block number and index.

func (*PublicTransactionPoolAPI) GetTransactionByHash 

func (s *PublicTransactionPoolAPI) GetTransactionByHash(txHash common.Hash) (*RPCTransaction, error)

GetTransactionByHash returns the transaction for the given hash

func (*PublicTransactionPoolAPI) GetTransactionCount 

func (s *PublicTransactionPoolAPI) GetTransactionCount(address common.Address, blockNr rpc.BlockNumber) (*rpc.HexNumber, error)

GetTransactionCount returns the number of transactions the given address has sent for the given block number

func (*PublicTransactionPoolAPI) GetTransactionReceipt 

func (s *PublicTransactionPoolAPI) GetTransactionReceipt(txHash common.Hash) (map[string]interface{}, error)

GetTransactionReceipt returns the transaction receipt for the given transaction hash.

func (*PublicTransactionPoolAPI) NewPendingTransactions 

func (s *PublicTransactionPoolAPI) NewPendingTransactions(ctx context.Context) (rpc.Subscription, error)

NewPendingTransactions creates a subscription that is triggered each time a transaction enters the transaction pool and is send from one of the transactions this nodes manages.

func (*PublicTransactionPoolAPI) PendingTransactions 

func (s *PublicTransactionPoolAPI) PendingTransactions() []*RPCTransaction

PendingTransactions returns the transactions that are in the transaction pool and have a from address that is one of the accounts this node manages.

func (*PublicTransactionPoolAPI) Resend 

func (s *PublicTransactionPoolAPI) Resend(tx Tx, gasPrice, gasLimit *rpc.HexNumber) (common.Hash, error)

Resend accepts an existing transaction and a new gas price and limit. It will remove the given transaction from the pool and reinsert it with the new gas price and limit.

func (*PublicTransactionPoolAPI) SendRawTransaction 

func (s *PublicTransactionPoolAPI) SendRawTransaction(encodedTx string) (string, error)

SendRawTransaction will add the signed transaction to the transaction pool. The sender is responsible for signing the transaction and using the correct nonce.

func (*PublicTransactionPoolAPI) SendTransaction 

func (s *PublicTransactionPoolAPI) SendTransaction(args SendTxArgs) (common.Hash, error)

SendTransaction creates a transaction for the given argument, sign it and submit it to the transaction pool.

func (*PublicTransactionPoolAPI) SignTransaction 

func (s *PublicTransactionPoolAPI) SignTransaction(args SignTransactionArgs) (*SignTransactionResult, error)

SignTransaction will sign the given transaction with the from account. The node needs to have the private key of the account corresponding with the given from address and it needs to be unlocked.

type PublicTxPoolAPI 

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

PublicTxPoolAPI offers and API for the transaction pool. It only operates on data that is non confidential.

func NewPublicTxPoolAPI 

func NewPublicTxPoolAPI(e *Ethereum) *PublicTxPoolAPI

NewPublicTxPoolAPI creates a new tx pool service that gives information about the transaction pool.

func (*PublicTxPoolAPI) Content 

func (s *PublicTxPoolAPI) Content() map[string]map[string]map[string][]*RPCTransaction

Content returns the transactions contained within the transaction pool.

func (*PublicTxPoolAPI) Inspect 

func (s *PublicTxPoolAPI) Inspect() map[string]map[string]map[string][]string

Inspect retrieves the content of the transaction pool and flattens it into an easily inspectable list.

func (*PublicTxPoolAPI) Status 

func (s *PublicTxPoolAPI) Status() map[string]*rpc.HexNumber

Status returns the number of pending and queued transaction in the pool.

type RPCTransaction 

type RPCTransaction struct {
	BlockHash        common.Hash     `json:"blockHash"`
	BlockNumber      *rpc.HexNumber  `json:"blockNumber"`
	From             common.Address  `json:"from"`
	Gas              *rpc.HexNumber  `json:"gas"`
	GasPrice         *rpc.HexNumber  `json:"gasPrice"`
	Hash             common.Hash     `json:"hash"`
	Input            string          `json:"input"`
	Nonce            *rpc.HexNumber  `json:"nonce"`
	To               *common.Address `json:"to"`
	TransactionIndex *rpc.HexNumber  `json:"transactionIndex"`
	Value            *rpc.HexNumber  `json:"value"`
	ReplayProtected  bool            `json:"replayProtected"`
	ChainId          *big.Int        `json:"chainId,omitempty"`
	V                *rpc.HexNumber  `json:"v"`
	R                *rpc.HexNumber  `json:"r"`
	S                *rpc.HexNumber  `json:"s"`
}

RPCTransaction represents a transaction that will serialize to the RPC representation of a transaction

type SendTxArgs 

type SendTxArgs struct {
	From     common.Address  `json:"from"`
	To       *common.Address `json:"to"`
	Gas      *rpc.HexNumber  `json:"gas"`
	GasPrice *rpc.HexNumber  `json:"gasPrice"`
	Value    *rpc.HexNumber  `json:"value"`
	Data     string          `json:"data"`
	Nonce    *rpc.HexNumber  `json:"nonce"`
}

SendTxArgs represents the arguments to sumbit a new transaction into the transaction pool.

type SignTransactionArgs 

type SignTransactionArgs struct {
	From     common.Address
	To       *common.Address
	Nonce    *rpc.HexNumber
	Value    *rpc.HexNumber
	Gas      *rpc.HexNumber
	GasPrice *rpc.HexNumber
	Data     string

	BlockNumber int64
}

SignTransactionArgs represents the arguments to sign a transaction.

type SignTransactionResult 

type SignTransactionResult struct {
	Raw string `json:"raw"`
	Tx  *Tx    `json:"tx"`
}

SignTransactionResult represents a RLP encoded signed transaction.

type Tx 

type Tx struct {
	To       *common.Address `json:"to"`
	From     common.Address  `json:"from"`
	Nonce    *rpc.HexNumber  `json:"nonce"`
	Value    *rpc.HexNumber  `json:"value"`
	Data     string          `json:"data"`
	GasLimit *rpc.HexNumber  `json:"gas"`
	GasPrice *rpc.HexNumber  `json:"gasPrice"`
	Hash     common.Hash     `json:"hash"`
	// contains filtered or unexported fields
}

Tx is a helper object for argument and return values

func (*Tx) UnmarshalJSON 

func (tx *Tx) UnmarshalJSON(b []byte) (err error)

UnmarshalJSON parses JSON data into tx.

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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