chain

package
v1.0.0 Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: Nov 12, 2018 License: LGPL-3.0 Imports: 24 Imported by: 0

Documentation

Index

Constants

View Source 
const MaxExtraDataLen = 256

Variables

View Source 
var (
	ErrNoGenesis                     = errors.New("can't get genesis block")
	ErrBlockNotExist                 = errors.New("block not exist in local")
	ErrSaveBlock                     = errors.New("save block to db error")
	ErrSaveAccount                   = errors.New("save account error")
	ErrVerifyHeaderFailed            = errors.New("verify block's header error")
	ErrVerifyBlockFailed             = errors.New("verify block error")
	ErrInvalidConfirmInfo            = errors.New("invalid confirm info")
	ErrInvalidSignedConfirmInfo      = errors.New("invalid signed data of confirm info")
	ErrSetConfirmInfoToDB            = errors.New("set confirm info to db error")
	ErrSetStableBlockToDB            = errors.New("set stable block to db error")
	ErrStableHeightLargerThanCurrent = errors.New("stable block's height is larger than current block")
)
View Source 
var (
	// ErrInvalidSender is returned if the transaction contains an invalid signature.
	ErrInvalidSender = errors.New("invalid sender")

	// ErrInsufficientFunds is returned if the total cost of executing a transaction
	// is higher than the balance of the user's account.
	ErrInsufficientFunds = errors.New("insufficient funds for gas * price + value")
)
View Source 
var (
	ErrInsufficientBalanceForGas = errors.New("insufficient balance to pay for gas")
	ErrInvalidTxInBlock          = errors.New("block contains invalid transaction")
)
View Source 
var DefaultDeputyNodes = deputynode.DeputyNodes{
	&deputynode.DeputyNode{
		MinerAddress: decodeMinerAddress("Lemo83GN72GYH2NZ8BA729Z9TCT7KQ5FC3CR6DJG"),
		NodeID:       common.FromHex("0x5e3600755f9b512a65603b38e30885c98cbac70259c3235c9b3f42ee563b480edea351ba0ff5748a638fe0aeff5d845bf37a3b437831871b48fd32f33cd9a3c0"),
		IP:           net.ParseIP("127.0.0.1"),
		Port:         7001,
		Rank:         0,
		Votes:        50000,
	},
	&deputynode.DeputyNode{
		MinerAddress: decodeMinerAddress("Lemo83JW7TBPA7P2P6AR9ZC2WCQJYRNHZ4NJD4CY"),
		NodeID:       common.FromHex("0xddb5fc36c415799e4c0cf7046ddde04aad6de8395d777db4f46ebdf258e55ee1d698fdd6f81a950f00b78bb0ea562e4f7de38cb0adf475c5026bb885ce74afb0"),
		IP:           net.ParseIP("127.0.0.1"),
		Port:         7002,
		Rank:         1,
		Votes:        40000,
	},
	&deputynode.DeputyNode{
		MinerAddress: decodeMinerAddress("Lemo842BJZ4DKCC764C63Y6A943775JH6NQ3Z33Y"),
		NodeID:       common.FromHex("0x7739f34055d3c0808683dbd77a937f8e28f707d5b1e873bbe61f6f2d0347692f36ef736f342fb5ce4710f7e337f062cc2110d134b63a9575f78cb167bfae2f43"),
		IP:           net.ParseIP("127.0.0.1"),
		Port:         7003,
		Rank:         2,
		Votes:        30000,
	},
	&deputynode.DeputyNode{
		MinerAddress: decodeMinerAddress("Lemo837QGPS3YNTYNF53CD88WA5DR3ABNA95W2DG"),
		NodeID:       common.FromHex("0x34f0df789b46e9bc09f23d5315b951bc77bbfeda653ae6f5aab564c9b4619322fddb3b1f28d1c434250e9d4dd8f51aa8334573d7281e4d63baba913e9fa6908f"),
		IP:           net.ParseIP("127.0.0.1"),
		Port:         7004,
		Rank:         3,
		Votes:        20000,
	},
	&deputynode.DeputyNode{
		MinerAddress: decodeMinerAddress("Lemo83HKZK68JQZDRGS5PWT2ZBSKR5CRADCSJB9B"),
		NodeID:       common.FromHex("0x5b980ffb1b463fce4773a22ebf376c07c6207023b016b36ccfaba7be1cd1ab4a91737741cd43b7fcb10879e0fcf314d69fa953daec0f02be0f8f9cedb0cb3797"),
		IP:           net.ParseIP("127.0.0.1"),
		Port:         7005,
		Rank:         4,
		Votes:        10000,
	},
}

DefaultDeputyNodes

View Source 
var TransactionTimeOut = int64(10)

Functions

func CanTransfer 

func CanTransfer(am vm.AccountManager, addr common.Address, amount *big.Int) bool

CanTransfer checks whether there are enough funds in the address' account to make a transfer. This does not take the necessary gas in to account to make the transfer valid.

func GetHashFn 

func GetHashFn(ref *types.Header, chain ChainContext) vm.GetHashFunc

GetHashFn returns a GetHashFunc which retrieves header hashes by number

func IntrinsicGas 

func IntrinsicGas(data []byte, contractCreation bool) (uint64, error)

IntrinsicGas computes the 'intrinsic gas' for a message with the given data.

func NewEVMContext 

func NewEVMContext(tx *types.Transaction, header *types.Header, txIndex uint, txHash common.Hash, blockHash common.Hash, chain ChainContext) vm.Context

NewEVMContext creates a new context for use in the EVM.

func SetupGenesisBlock 

func SetupGenesisBlock(db protocol.ChainDB, genesis *Genesis) (common.Hash, error)

SetupGenesisBlock setup genesis block

func Transfer 

func Transfer(am vm.AccountManager, sender, recipient common.Address, amount *big.Int)

Transfer subtracts amount from sender and adds amount to recipient using the given Db

Types

type ApplyTxsResult 

type ApplyTxsResult struct {
	Txs     types.Transactions // The transactions executed indeed. These transactions will be packaged in a block
	Events  []*types.Event     // contract events
	Bloom   types.Bloom        // used to search contract events
	GasUsed uint64             // gas used by all transactions
}

type BlockChain 

type BlockChain struct {
	BroadcastConfirmInfo broadcastConfirmInfoFn // callback of broadcast confirm info
	BroadcastStableBlock broadcastBlockFn       // callback of broadcast stable block

	MinedBlockFeed  subscribe.Feed
	RecvBlockFeed   subscribe.Feed
	StableBlockFeed subscribe.Feed
	// contains filtered or unexported fields
}

func NewBlockChain 

func NewBlockChain(chainID uint16, engine Engine, db db.ChainDB, flags flag.CmdFlags) (bc *BlockChain, err error)

func NewBlockChainForTest 

func NewBlockChainForTest() (*BlockChain, chan *types.Block, error)

func (*BlockChain) AccountManager 

func (bc *BlockChain) AccountManager() *account.Manager

func (*BlockChain) ChainID 

func (bc *BlockChain) ChainID() uint16

ChainID

func (*BlockChain) CurrentBlock 

func (bc *BlockChain) CurrentBlock() *types.Block

CurrentBlock get latest current block

func (*BlockChain) Db 

func (bc *BlockChain) Db() db.ChainDB

func (*BlockChain) Flags 

func (bc *BlockChain) Flags() flag.CmdFlags

func (*BlockChain) Genesis 

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

Genesis genesis block

func (*BlockChain) GetBlockByHash 

func (bc *BlockChain) GetBlockByHash(hash common.Hash) *types.Block

func (*BlockChain) GetBlockByHeight 

func (bc *BlockChain) GetBlockByHeight(height uint32) *types.Block

func (*BlockChain) GetConfirms 

func (bc *BlockChain) GetConfirms(query *protocol.GetConfirmInfo) []types.SignData

GetConfirms get all confirm info of special block

func (*BlockChain) HasBlock 

func (bc *BlockChain) HasBlock(hash common.Hash) bool

HasBlock has special block in local

func (*BlockChain) InsertChain 

func (bc *BlockChain) InsertChain(block *types.Block, isSynchronising bool) (err error)

InsertChain insert block of non-self to chain

func (*BlockChain) ReceiveConfirm 

func (bc *BlockChain) ReceiveConfirm(info *protocol.BlockConfirmData) (err error)

ReceiveConfirm

func (*BlockChain) ReceiveConfirms 

func (bc *BlockChain) ReceiveConfirms(pack protocol.BlockConfirms)

ReceiveConfirms receive confirm package from net connection

func (*BlockChain) SetMinedBlock 

func (bc *BlockChain) SetMinedBlock(block *types.Block) error

SetMinedBlock 挖到新块

func (*BlockChain) SetStableBlock 

func (bc *BlockChain) SetStableBlock(hash common.Hash, height uint32, logLess bool) error

SetStableBlock

func (*BlockChain) StableBlock 

func (bc *BlockChain) StableBlock() *types.Block

StableBlock get latest stable block

func (*BlockChain) Stop 

func (bc *BlockChain) Stop()

Stop stop block chain

func (*BlockChain) TxProcessor 

func (bc *BlockChain) TxProcessor() *TxProcessor

func (*BlockChain) Verify 

func (bc *BlockChain) Verify(block *types.Block) error

Verify verify block

type ChainContext 

type ChainContext interface {
	// GetBlockByHash returns the hash corresponding to their hash.
	GetBlockByHash(hash common.Hash) *types.Block
}

ChainContext supports retrieving headers and consensus parameters from the current blockchain to be used during transaction processing.

type Dpovp 

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

func NewDpovp 

func NewDpovp(timeout int64, db protocol.ChainDB) *Dpovp

func (*Dpovp) Finalize 

func (d *Dpovp) Finalize(header *types.Header, am *account.Manager)

Finalize

func (*Dpovp) Seal 

func (d *Dpovp) Seal(header *types.Header, txs []*types.Transaction, changeLog []*types.ChangeLog, events []*types.Event) (*types.Block, error)

Seal packaged into a block

func (*Dpovp) VerifyHeader 

func (d *Dpovp) VerifyHeader(block *types.Block) error

VerifyHeader verify block header

type Engine 

type Engine interface {
	VerifyHeader(block *types.Block) error

	Seal(header *types.Header, txs []*types.Transaction, changeLog []*types.ChangeLog, events []*types.Event) (*types.Block, error)

	Finalize(header *types.Header, am *account.Manager)
}

type EngineTestForChain 

type EngineTestForChain struct{}

func (*EngineTestForChain) Finalize 

func (engine *EngineTestForChain) Finalize(header *types.Header, am *account.Manager)

func (*EngineTestForChain) Seal 

func (engine *EngineTestForChain) Seal(header *types.Header, txs []*types.Transaction, changeLog []*types.ChangeLog, events []*types.Event) (*types.Block, error)

func (*EngineTestForChain) VerifyHeader 

func (engine *EngineTestForChain) VerifyHeader(block *types.Block) error

type Genesis 

type Genesis struct {
	Time        uint32                 `json:"timestamp"     gencodec:"required"`
	ExtraData   []byte                 `json:"extraData"`
	GasLimit    uint64                 `json:"gasLimit"      gencodec:"required"`
	Founder     common.Address         `json:"founder"       gencodec:"required"`
	DeputyNodes deputynode.DeputyNodes `json:"deputyNodes"   gencodec:"required"`
}

func DefaultGenesisBlock 

func DefaultGenesisBlock() *Genesis

DefaultGenesisBlock default genesis block

func (Genesis) MarshalJSON 

func (g Genesis) MarshalJSON() ([]byte, error)

MarshalJSON marshals as JSON.

func (*Genesis) ToBlock 

func (g *Genesis) ToBlock() *types.Block

ToBlock

func (*Genesis) UnmarshalJSON 

func (g *Genesis) UnmarshalJSON(input []byte) error

UnmarshalJSON unmarshals from JSON.

type TransactionWithTime 

type TransactionWithTime struct {
	Tx      *types.Transaction
	RecTime int64
	DelFlg  bool
}

type TxPool 

type TxPool struct {
	NewTxsFeed subscribe.Feed
	// contains filtered or unexported fields
}

func NewTxPool 

func NewTxPool(am *account.Manager) *TxPool

func (*TxPool) AddKey 

func (pool *TxPool) AddKey(hash common.Hash)

func (*TxPool) AddTx 

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

func (*TxPool) AddTxs 

func (pool *TxPool) AddTxs(txs []*types.Transaction) error

func (*TxPool) Pending 

func (pool *TxPool) Pending(size int) []*types.Transaction

func (*TxPool) Remove 

func (pool *TxPool) Remove(keys []common.Hash)

type TxProcessor 

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

func NewTxProcessor 

func NewTxProcessor(bc *BlockChain) *TxProcessor

func (*TxProcessor) ApplyTxs 

func (p *TxProcessor) ApplyTxs(header *types.Header, txs types.Transactions) (*types.Header, types.Transactions, types.Transactions, error)

ApplyTxs picks and processes transactions from miner's tx pool.

func (*TxProcessor) FillHeader 

func (p *TxProcessor) FillHeader(header *types.Header, txs types.Transactions, gasUsed uint64) (*types.Header, error)

FillHeader creates a new header then fills it with the result of transactions process

func (*TxProcessor) Process 

func (p *TxProcessor) Process(block *types.Block) (*types.Header, error)

Process processes all transactions in a block. Change accounts' data and execute contract codes.

type TxsRecent 

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

func NewRecent 

func NewRecent() *TxsRecent

type TxsSort 

type TxsSort interface {
	// contains filtered or unexported methods
}

func NewTxsSortByTime 

func NewTxsSortByTime() TxsSort

type TxsSortByTime 

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

Source Files

View all Source files

Directories

Path Synopsis
vm
abi
Package abi implements the Lemochain ABI (Application Binary Interface).
 Package abi implements the Lemochain ABI (Application Binary Interface).
runtime
Package runtime provides a basic execution model for executing EVM code.
 Package runtime provides a basic execution model for executing EVM code.

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