core

package
v0.8.5-2 Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: Feb 26, 2015 License: LGPL-2.1-or-later Imports: 21 Imported by: 0

Documentation

Index

Constants

This section is empty.

Variables

View Source 
var (
	BlockNumberErr = errors.New("block number invalid")
	BlockFutureErr = errors.New("block time is in the future")
)
View Source 
var BlockReward *big.Int = big.NewInt(1.5e+18)
View Source 
var EmptyListRoot = crypto.Sha3(ethutil.Encode(""))
View Source 
var EmptyShaList = crypto.Sha3(ethutil.Encode([]interface{}{}))
View Source 
var (
	ErrInvalidSender = errors.New("Invalid sender")
)
View Source 
var ZeroHash160 = make([]byte, 20)
View Source 
var ZeroHash256 = make([]byte, 32)
View Source 
var ZeroHash512 = make([]byte, 64)

Functions

func AddressFromMessage added in v0.7.10 

func AddressFromMessage(msg Message) []byte

func CalcDifficulty added in v0.7.10 

func CalcDifficulty(block, parent *types.Block) *big.Int

func CalcGasLimit 

func CalcGasLimit(parent, block *types.Block) *big.Int

func CalculateTD added in v0.8.4 

func CalculateTD(block, parent *types.Block) *big.Int

func Disassemble added in v0.7.10 

func Disassemble(script []byte) (asm []string)

func GenesisBlock added in v0.8.4 

func GenesisBlock(db ethutil.Database) *types.Block

func IsKnownBlockErr added in v0.7.10 

func IsKnownBlockErr(e error) bool

func IsNonceErr added in v0.7.10 

func IsNonceErr(err error) bool

func IsOutOfGasErr added in v0.7.10 

func IsOutOfGasErr(err error) bool

func IsParentErr added in v0.7.10 

func IsParentErr(err error) bool

func IsTDError added in v0.7.10 

func IsTDError(e error) bool

func IsUncleErr added in v0.7.10 

func IsUncleErr(err error) bool

func IsValidationErr added in v0.7.10 

func IsValidationErr(err error) bool

func MakeContract added in v0.7.10 

func MakeContract(msg Message, state *state.StateDB) *state.StateObject

Converts an transaction in to a state object

func MessageCreatesContract added in v0.7.10 

func MessageCreatesContract(msg Message) bool

func MessageGasValue added in v0.7.10 

func MessageGasValue(msg Message) *big.Int

func ParentError added in v0.7.10 

func ParentError(hash []byte) error

func UncleError added in v0.7.10 

func UncleError(str string) error

Types

type AccountChange added in v0.7.10 

type AccountChange struct {
	Address, StateAddress []byte
}

type Backend added in v0.8.4 

type Backend interface {
	BlockProcessor() *BlockProcessor
	ChainManager() *ChainManager
	TxPool() *TxPool
	PeerCount() int
	IsListening() bool
	Peers() []*p2p.Peer
	KeyManager() *crypto.KeyManager
	Db() ethutil.Database
	EventMux() *event.TypeMux
}

type BlockProcessor added in v0.8.4 

type BlockProcessor struct {

	// Proof of work used for validating
	Pow pow.PoW
	// contains filtered or unexported fields
}

func NewBlockProcessor added in v0.8.4 

func NewBlockProcessor(db ethutil.Database, txpool *TxPool, chainManager *ChainManager, eventMux *event.TypeMux) *BlockProcessor

func (*BlockProcessor) AccumulateRewards added in v0.8.4 

func (sm *BlockProcessor) AccumulateRewards(statedb *state.StateDB, block, parent *types.Block) error

func (*BlockProcessor) ApplyTransaction added in v0.8.4 

func (self *BlockProcessor) ApplyTransaction(coinbase *state.StateObject, statedb *state.StateDB, block *types.Block, tx *types.Transaction, usedGas *big.Int, transientProcess bool) (*types.Receipt, *big.Int, error)

func (*BlockProcessor) ApplyTransactions added in v0.8.4 

func (self *BlockProcessor) ApplyTransactions(coinbase *state.StateObject, statedb *state.StateDB, block *types.Block, txs types.Transactions, transientProcess bool) (types.Receipts, types.Transactions, types.Transactions, types.Transactions, error)

func (*BlockProcessor) GetLogs added in v0.8.4 

func (sm *BlockProcessor) GetLogs(block *types.Block) (logs state.Logs, err error)

func (*BlockProcessor) Process added in v0.8.4 

func (sm *BlockProcessor) Process(block *types.Block) (td *big.Int, err error)

Process block will attempt to process the given block's transactions and applies them on top of the block's parent state (given it exists) and will return wether it was successful or not.

func (*BlockProcessor) TransitionState added in v0.8.4 

func (sm *BlockProcessor) TransitionState(statedb *state.StateDB, parent, block *types.Block, transientProcess bool) (receipts types.Receipts, err error)

func (*BlockProcessor) ValidateBlock added in v0.8.4 

func (sm *BlockProcessor) ValidateBlock(block, parent *types.Block) error

Validates the current block. Returns an error if the block was invalid, an uncle or anything that isn't on the current block chain. Validation validates easy over difficult (dagger takes longer time = difficult)

type ChainEvent 

type ChainEvent struct {
	Block *types.Block
	Td    *big.Int
}

type ChainManager added in v0.7.10 

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

func NewChainManager added in v0.7.10 

func NewChainManager(db ethutil.Database, mux *event.TypeMux) *ChainManager

func (*ChainManager) CalcTotalDiff added in v0.7.10 

func (self *ChainManager) CalcTotalDiff(block *types.Block) (*big.Int, error)

func (*ChainManager) CurrentBlock added in v0.7.10 

func (self *ChainManager) CurrentBlock() *types.Block

func (*ChainManager) Export added in v0.7.10 

func (self *ChainManager) Export() []byte

func (*ChainManager) Genesis added in v0.7.10 

func (bc *ChainManager) Genesis() *types.Block

Accessors

func (*ChainManager) GetAccount added in v0.8.4 

func (self *ChainManager) GetAccount(addr []byte) *state.StateObject

Satisfy state query interface

func (*ChainManager) GetAncestors added in v0.8.4 

func (self *ChainManager) GetAncestors(block *types.Block, length int) (blocks []*types.Block)

func (*ChainManager) GetBlock added in v0.7.10 

func (self *ChainManager) GetBlock(hash []byte) *types.Block

func (*ChainManager) GetBlockByNumber added in v0.7.10 

func (self *ChainManager) GetBlockByNumber(num uint64) *types.Block

func (*ChainManager) GetBlockHashesFromHash added in v0.8.4 

func (self *ChainManager) GetBlockHashesFromHash(hash []byte, max uint64) (chain [][]byte)

func (*ChainManager) GetUnclesInChain added in v0.8.4 

func (self *ChainManager) GetUnclesInChain(block *types.Block, length int) (uncles []*types.Header)

func (*ChainManager) HasBlock added in v0.7.10 

func (bc *ChainManager) HasBlock(hash []byte) bool

Block fetching methods

func (*ChainManager) InsertChain added in v0.7.10 

func (self *ChainManager) InsertChain(chain types.Blocks) error

func (*ChainManager) LastBlockHash added in v0.7.10 

func (self *ChainManager) LastBlockHash() []byte

func (*ChainManager) NewBlock added in v0.7.10 

func (bc *ChainManager) NewBlock(coinbase []byte) *types.Block

Block creation & chain handling

func (*ChainManager) Reset added in v0.7.10 

func (bc *ChainManager) Reset()

func (*ChainManager) SetProcessor added in v0.7.10 

func (self *ChainManager) SetProcessor(proc types.BlockProcessor)

func (*ChainManager) State added in v0.7.10 

func (self *ChainManager) State() *state.StateDB

func (*ChainManager) Status added in v0.8.4 

func (self *ChainManager) Status() (td *big.Int, currentBlock []byte, genesisBlock []byte)

func (*ChainManager) Stop added in v0.7.10 

func (bc *ChainManager) Stop()

func (*ChainManager) Td added in v0.7.10 

func (self *ChainManager) Td() *big.Int

func (*ChainManager) TransState added in v0.7.10 

func (self *ChainManager) TransState() *state.StateDB

func (*ChainManager) TxState added in v0.9.17 

func (self *ChainManager) TxState() *state.StateDB

type ChainSplitEvent added in v0.8.4 

type ChainSplitEvent struct{ Block *types.Block }

ChainSplit is posted when a new head is detected

type Execution added in v0.7.10 

type Execution struct {
	Gas *big.Int
	// contains filtered or unexported fields
}

func NewExecution added in v0.7.10 

func NewExecution(env vm.Environment, address, input []byte, gas, gasPrice, value *big.Int) *Execution

func (*Execution) Addr added in v0.7.10 

func (self *Execution) Addr() []byte

func (*Execution) Call added in v0.7.10 

func (self *Execution) Call(codeAddr []byte, caller vm.ContextRef) ([]byte, error)

func (*Execution) Create added in v0.7.10 

func (self *Execution) Create(caller vm.ContextRef) (ret []byte, err error, account *state.StateObject)

type Filter added in v0.7.10 

type Filter struct {
	BlockCallback   func(*types.Block)
	PendingCallback func(*types.Block)
	LogsCallback    func(state.Logs)
	// contains filtered or unexported fields
}

Filtering interface

func NewFilter added in v0.7.10 

func NewFilter(eth Backend) *Filter

Create a new filter which uses a bloom filter on blocks to figure out whether a particular block is interesting or not.

func (*Filter) FilterLogs added in v0.8.4 

func (self *Filter) FilterLogs(logs state.Logs) state.Logs

func (*Filter) Find added in v0.7.10 

func (self *Filter) Find() state.Logs

Run filters logs with the current parameters set

func (*Filter) SetAddress added in v0.8.4 

func (self *Filter) SetAddress(addr [][]byte)

func (*Filter) SetEarliestBlock added in v0.7.10 

func (self *Filter) SetEarliestBlock(earliest int64)

Set the earliest and latest block for filtering. -1 = latest block (i.e., the current block) hash = particular hash from-to

func (*Filter) SetLatestBlock added in v0.7.10 

func (self *Filter) SetLatestBlock(latest int64)

func (*Filter) SetMax added in v0.7.10 

func (self *Filter) SetMax(max int)

func (*Filter) SetOptions added in v0.8.4 

func (self *Filter) SetOptions(options FilterOptions)

func (*Filter) SetSkip added in v0.7.10 

func (self *Filter) SetSkip(skip int)

func (*Filter) SetTopics added in v0.8.4 

func (self *Filter) SetTopics(topics [][]byte)

type FilterOptions added in v0.8.4 

type FilterOptions struct {
	Earliest int64
	Latest   int64

	Address [][]byte
	Topics  [][]byte

	Skip int
	Max  int
}

type KnownBlockError added in v0.7.10 

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

func (*KnownBlockError) Error added in v0.7.10 

func (self *KnownBlockError) Error() string

type Message 

type Message interface {
	Hash() []byte

	From() []byte
	To() []byte

	GasPrice() *big.Int
	Gas() *big.Int
	Value() *big.Int

	Nonce() uint64
	Data() []byte
}

type NewBlockEvent added in v0.7.10 

type NewBlockEvent struct{ Block *types.Block }

NewBlockEvent is posted when a block has been imported.

type NewMinedBlockEvent 

type NewMinedBlockEvent struct{ Block *types.Block }

NewMinedBlockEvent is posted when a block has been imported.

type NonceErr added in v0.7.10 

type NonceErr struct {
	Message string
	Is, Exp uint64
}

func NonceError added in v0.7.10 

func NonceError(is, exp uint64) *NonceErr

func (*NonceErr) Error added in v0.7.10 

func (err *NonceErr) Error() string

type OutOfGasErr added in v0.7.10 

type OutOfGasErr struct {
	Message string
}

func OutOfGasError added in v0.7.10 

func OutOfGasError() *OutOfGasErr

func (*OutOfGasErr) Error added in v0.7.10 

func (self *OutOfGasErr) Error() string

type ParentErr added in v0.7.10 

type ParentErr struct {
	Message string
}

Parent error. In case a parent is unknown this error will be thrown by the block manager

func (*ParentErr) Error added in v0.7.10 

func (err *ParentErr) Error() string

type PendingBlockEvent added in v0.8.4 

type PendingBlockEvent struct {
	Block *types.Block
}

type StateQuery added in v0.8.4 

type StateQuery interface {
	GetAccount(addr []byte) *state.StateObject
}

type StateTransition 

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

* The State transitioning model * * A state transition is a change made when a transaction is applied to the current world state * The state transitioning model does all all the necessary work to work out a valid new state root. * 1) Nonce handling * 2) Pre pay / buy gas of the coinbase (miner) * 3) Create a new state object if the recipient is \0*32 * 4) Value transfer * == If contract creation == * 4a) Attempt to run transaction data * 4b) If valid, use result as code for the new state object * == end == * 5) Run Script section * 6) Derive new state root

func NewStateTransition 

func NewStateTransition(env vm.Environment, msg Message, coinbase *state.StateObject) *StateTransition

func (*StateTransition) AddGas added in v0.7.10 

func (self *StateTransition) AddGas(amount *big.Int)

func (*StateTransition) BuyGas added in v0.7.10 

func (self *StateTransition) BuyGas() error

func (*StateTransition) Coinbase added in v0.7.10 

func (self *StateTransition) Coinbase() *state.StateObject

func (*StateTransition) From added in v0.7.10 

func (self *StateTransition) From() *state.StateObject

func (*StateTransition) GasUsed added in v0.7.10 

func (self *StateTransition) GasUsed() *big.Int

func (*StateTransition) RefundGas added in v0.7.10 

func (self *StateTransition) RefundGas()

func (*StateTransition) To added in v0.7.10 

func (self *StateTransition) To() *state.StateObject

func (*StateTransition) TransitionState added in v0.7.10 

func (self *StateTransition) TransitionState() (ret []byte, err error)

func (*StateTransition) UseGas added in v0.7.10 

func (self *StateTransition) UseGas(amount *big.Int) error

type TDError added in v0.7.10 

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

func (*TDError) Error added in v0.7.10 

func (self *TDError) Error() string

type TxMsg added in v0.7.10 

type TxMsg struct {
	Tx *types.Transaction
}

type TxPool 

type TxPool struct {
	SecondaryProcessor TxProcessor
	// contains filtered or unexported fields
}

The tx pool a thread safe transaction pool handler. In order to guarantee a non blocking pool we use a queue channel which can be independently read without needing access to the actual pool.

func NewTxPool 

func NewTxPool(eventMux *event.TypeMux) *TxPool

func (*TxPool) Add added in v0.7.10 

func (self *TxPool) Add(tx *types.Transaction) error

func (*TxPool) AddTransactions added in v0.8.4 

func (self *TxPool) AddTransactions(txs []*types.Transaction)

func (*TxPool) Flush added in v0.7.10 

func (pool *TxPool) Flush()

func (*TxPool) GetTransactions added in v0.8.4 

func (self *TxPool) GetTransactions() (txs types.Transactions)

func (*TxPool) RemoveInvalid added in v0.7.10 

func (pool *TxPool) RemoveInvalid(query StateQuery)

func (*TxPool) RemoveSet added in v0.7.10 

func (self *TxPool) RemoveSet(txs types.Transactions)

func (*TxPool) Size added in v0.7.10 

func (self *TxPool) Size() int

func (*TxPool) Start added in v0.7.10 

func (pool *TxPool) Start()

func (*TxPool) Stop 

func (pool *TxPool) Stop()

func (*TxPool) ValidateTransaction added in v0.7.10 

func (pool *TxPool) ValidateTransaction(tx *types.Transaction) error

type TxPoolHook added in v0.7.10 

type TxPoolHook chan *types.Transaction

type TxPostEvent added in v0.7.10 

type TxPostEvent struct{ Tx *types.Transaction }

TxPostEvent is posted when a transaction has been processed.

type TxPreEvent added in v0.7.10 

type TxPreEvent struct{ Tx *types.Transaction }

TxPreEvent is posted when a transaction enters the transaction pool.

type TxProcessor added in v0.7.10 

type TxProcessor interface {
	ProcessTransaction(tx *types.Transaction)
}

type UncleErr added in v0.7.10 

type UncleErr struct {
	Message string
}

func (*UncleErr) Error added in v0.7.10 

func (err *UncleErr) Error() string

type VMEnv added in v0.7.10 

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

func NewEnv added in v0.7.10 

func NewEnv(state *state.StateDB, chain *ChainManager, msg Message, block *types.Block) *VMEnv

func (*VMEnv) AddLog added in v0.7.10 

func (self *VMEnv) AddLog(log state.Log)

func (*VMEnv) BlockNumber added in v0.7.10 

func (self *VMEnv) BlockNumber() *big.Int

func (*VMEnv) Call added in v0.7.10 

func (self *VMEnv) Call(me vm.ContextRef, addr, data []byte, gas, price, value *big.Int) ([]byte, error)

func (*VMEnv) CallCode added in v0.7.10 

func (self *VMEnv) CallCode(me vm.ContextRef, addr, data []byte, gas, price, value *big.Int) ([]byte, error)

func (*VMEnv) Coinbase added in v0.7.10 

func (self *VMEnv) Coinbase() []byte

func (*VMEnv) Create added in v0.7.10 

func (self *VMEnv) Create(me vm.ContextRef, addr, data []byte, gas, price, value *big.Int) ([]byte, error, vm.ContextRef)

func (*VMEnv) Depth added in v0.7.10 

func (self *VMEnv) Depth() int

func (*VMEnv) Difficulty added in v0.7.10 

func (self *VMEnv) Difficulty() *big.Int

func (*VMEnv) GasLimit added in v0.7.10 

func (self *VMEnv) GasLimit() *big.Int

func (*VMEnv) GetHash added in v0.8.4 

func (self *VMEnv) GetHash(n uint64) []byte

func (*VMEnv) Origin added in v0.7.10 

func (self *VMEnv) Origin() []byte

func (*VMEnv) SetDepth added in v0.7.10 

func (self *VMEnv) SetDepth(i int)

func (*VMEnv) SetVmType added in v0.8.4 

func (self *VMEnv) SetVmType(t vm.Type)

func (*VMEnv) State added in v0.7.10 

func (self *VMEnv) State() *state.StateDB

func (*VMEnv) Time added in v0.7.10 

func (self *VMEnv) Time() int64

func (*VMEnv) Transfer added in v0.7.10 

func (self *VMEnv) Transfer(from, to vm.Account, amount *big.Int) error

func (*VMEnv) Value added in v0.7.10 

func (self *VMEnv) Value() *big.Int

func (*VMEnv) VmType added in v0.8.4 

func (self *VMEnv) VmType() vm.Type

type ValidationErr added in v0.7.10 

type ValidationErr struct {
	Message string
}

Block validation error. If any validation fails, this error will be thrown

func ValidationError added in v0.7.10 

func ValidationError(format string, v ...interface{}) *ValidationErr

func (*ValidationErr) Error added in v0.7.10 

func (err *ValidationErr) Error() string

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