protocol

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: May 26, 2022 License: AGPL-3.0 Imports: 17 Imported by: 0

Documentation

Index

Constants

View Source 
const (
	MsgNewTx = iota
	MsgRemoveTx
)

msg type

Variables

View Source 
var (
	// ErrBadBlock is returned when a block is invalid.
	ErrBadBlock = errors.New("invalid block")
	// ErrBadStateRoot is returned when the computed assets merkle root
	// disagrees with the one declared in a block header.
	ErrBadStateRoot = errors.New("invalid state merkle root")
)
View Source 
var (

	// ErrTransactionNotExist is the pre-defined error message
	ErrTransactionNotExist = errors.New("transaction are not existed in the mempool")
	// ErrPoolIsFull indicates the pool is full
	ErrPoolIsFull = errors.New("transaction pool reach the max number")
	// ErrDustTx indicates transaction is dust tx
	ErrDustTx = errors.New("transaction is dust tx")
)
View Source 
var ErrBadTx = errors.New("invalid transaction")

ErrBadTx is returned for transactions failing validation

Functions

This section is empty.

Types

type Chain 

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

Chain provides functions for working with the Bystack block chain.

func NewChain 

func NewChain(store state.Store, txPool *TxPool, eventDispatcher *event.Dispatcher) (*Chain, error)

NewChain returns a new Chain using store as the underlying storage.

func NewChainWithOrphanManage 

func NewChainWithOrphanManage(store state.Store, txPool *TxPool, manage *OrphanManage, eventDispatcher *event.Dispatcher) (*Chain, error)

func (*Chain) AllValidators 

func (c *Chain) AllValidators(blockHash *bc.Hash) ([]*state.Validator, error)

AllValidators return all validators has vote num

func (*Chain) BestBlockHash 

func (c *Chain) BestBlockHash() *bc.Hash

BestBlockHash return the hash of the chain tail block

func (*Chain) BestBlockHeader 

func (c *Chain) BestBlockHeader() *types.BlockHeader

BestBlockHeader returns the chain tail block

func (*Chain) BestBlockHeight 

func (c *Chain) BestBlockHeight() uint64

BestBlockHeight returns the current height of the blockchain.

func (*Chain) BestChain 

func (c *Chain) BestChain() (uint64, bc.Hash)

BestChain return the current height and block hash of the chain

func (*Chain) BlockExist 

func (c *Chain) BlockExist(hash *bc.Hash) bool

BlockExist check is a block in chain or orphan

func (*Chain) BlockWaiter 

func (c *Chain) BlockWaiter(height uint64) <-chan struct{}

BlockWaiter returns a channel that waits for the block at the given height.

func (*Chain) FinalizedHeight 

func (c *Chain) FinalizedHeight() uint64

func (*Chain) GetBlockByHash 

func (c *Chain) GetBlockByHash(hash *bc.Hash) (*types.Block, error)

GetBlockByHash return a block by given hash

func (*Chain) GetBlockByHeight 

func (c *Chain) GetBlockByHeight(height uint64) (*types.Block, error)

GetBlockByHeight return a block header by given height

func (*Chain) GetHeaderByHash 

func (c *Chain) GetHeaderByHash(hash *bc.Hash) (*types.BlockHeader, error)

GetHeaderByHash return a block header by given hash

func (*Chain) GetHeaderByHeight 

func (c *Chain) GetHeaderByHeight(height uint64) (*types.BlockHeader, error)

GetHeaderByHeight return a block header by given height

func (*Chain) GetTransactionsUtxo 

func (c *Chain) GetTransactionsUtxo(view *state.UtxoViewpoint, txs []*bc.Tx) error

GetTransactionsUtxo return all the utxos that related to the txs' inputs

func (*Chain) GetTxPool 

func (c *Chain) GetTxPool() *TxPool

GetTxPool return chain txpool.

func (*Chain) GetValidator 

func (c *Chain) GetValidator(prevHash *bc.Hash, timeStamp uint64) (*state.Validator, error)

GetValidator return validator by specified blockHash and timestamp

func (*Chain) InMainChain 

func (c *Chain) InMainChain(hash bc.Hash) bool

InMainChain checks wheather a block is in the main chain

func (*Chain) LastFinalizedHeader 

func (c *Chain) LastFinalizedHeader() (*types.BlockHeader, error)

LastFinalizedHeader return the last finalized block header of the block chain

func (*Chain) LastJustifiedHeader 

func (c *Chain) LastJustifiedHeader() (*types.BlockHeader, error)

LastJustifiedHeader return the last justified block header of the block chain

func (*Chain) PrevCheckpointByPrevHash 

func (c *Chain) PrevCheckpointByPrevHash(preBlockHash *bc.Hash) (*state.Checkpoint, error)

PrevCheckpointByPrevHash get previous checkpoint by previous block hash

func (*Chain) ProcessBlock 

func (c *Chain) ProcessBlock(block *types.Block) (bool, error)

ProcessBlock is the entry for chain update

func (*Chain) ProcessBlockVerification 

func (c *Chain) ProcessBlockVerification(v *casper.ValidCasperSignMsg) error

ProcessBlockVerification process block verification

func (*Chain) ProgramConverter 

func (c *Chain) ProgramConverter(prog []byte) ([]byte, error)

ProgramConverter convert program. Only for BCRP now

func (*Chain) SignBlockHeader 

func (c *Chain) SignBlockHeader(blockHeader *types.BlockHeader)

func (*Chain) ValidateTx 

func (c *Chain) ValidateTx(tx *types.Tx) (bool, error)

ValidateTx validates the given transaction. A cache holds per-transaction validation results and is consulted before performing full validation.

type OrphanBlock 

type OrphanBlock struct {
	*types.Block
	// contains filtered or unexported fields
}

func NewOrphanBlock 

func NewOrphanBlock(block *types.Block, expiration time.Time) *OrphanBlock

func (*OrphanBlock) Equals 

func (o *OrphanBlock) Equals(o1 *OrphanBlock) bool

type OrphanManage 

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

OrphanManage is use to handle all the orphan block

func NewOrphanManage 

func NewOrphanManage() *OrphanManage

NewOrphanManage return a new orphan block

func NewOrphanManageWithData 

func NewOrphanManageWithData(orphan map[bc.Hash]*OrphanBlock, prevOrphans map[bc.Hash][]*bc.Hash) *OrphanManage

NewOrphanManageWithData return a new orphan manage with specify data

func (*OrphanManage) Add 

func (o *OrphanManage) Add(block *types.Block)

Add will add the block to OrphanManage

func (*OrphanManage) BlockExist 

func (o *OrphanManage) BlockExist(hash *bc.Hash) bool

BlockExist check is the block in OrphanManage

func (*OrphanManage) Delete 

func (o *OrphanManage) Delete(hash *bc.Hash)

Delete will delete the block from OrphanManage

func (*OrphanManage) Equals 

func (o *OrphanManage) Equals(o1 *OrphanManage) bool

func (*OrphanManage) Get 

func (o *OrphanManage) Get(hash *bc.Hash) (*types.Block, bool)

Get return the orphan block by hash

func (*OrphanManage) GetPrevOrphans 

func (o *OrphanManage) GetPrevOrphans(hash *bc.Hash) ([]*bc.Hash, bool)

GetPrevOrphans return the list of child orphans

type TxDesc 

type TxDesc struct {
	Tx     *types.Tx `json:"transaction"`
	Added  time.Time `json:"-"`
	Height uint64    `json:"-"`
	Weight uint64    `json:"-"`
	Fee    uint64    `json:"-"`
}

TxDesc store tx and related info for mining strategy

type TxMsgEvent 

type TxMsgEvent struct{ TxMsg *TxPoolMsg }

type TxPool 

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

TxPool is use for store the unconfirmed transaction

func NewTxPool 

func NewTxPool(store state.Store, dispatcher *event.Dispatcher) *TxPool

NewTxPool init a new TxPool

func (*TxPool) AddErrCache 

func (tp *TxPool) AddErrCache(txHash *bc.Hash, err error)

AddErrCache add a failed transaction record to lru cache

func (*TxPool) ExpireOrphan 

func (tp *TxPool) ExpireOrphan(now time.Time)

ExpireOrphan expire all the orphans that before the input time range

func (*TxPool) GetErrCache 

func (tp *TxPool) GetErrCache(txHash *bc.Hash) error

GetErrCache return the error of the transaction

func (*TxPool) GetTransaction 

func (tp *TxPool) GetTransaction(txHash *bc.Hash) (*TxDesc, error)

GetTransaction return the TxDesc by hash

func (*TxPool) GetTransactions 

func (tp *TxPool) GetTransactions() []*TxDesc

GetTransactions return all the transactions in the pool

func (*TxPool) HaveTransaction 

func (tp *TxPool) HaveTransaction(txHash *bc.Hash) bool

HaveTransaction IsTransactionInErrCache check is transaction in errCache or pool

func (*TxPool) IsDust 

func (tp *TxPool) IsDust(tx *types.Tx) bool

func (*TxPool) IsTransactionInErrCache 

func (tp *TxPool) IsTransactionInErrCache(txHash *bc.Hash) bool

IsTransactionInErrCache check wheather a transaction in errCache or not

func (*TxPool) IsTransactionInPool 

func (tp *TxPool) IsTransactionInPool(txHash *bc.Hash) bool

IsTransactionInPool check wheather a transaction in pool or not

func (*TxPool) ProcessTransaction 

func (tp *TxPool) ProcessTransaction(tx *types.Tx, height, fee uint64) (bool, error)

ProcessTransaction is the main entry for txpool handle new tx, ignore dust tx.

func (*TxPool) RemoveTransaction 

func (tp *TxPool) RemoveTransaction(txHash *bc.Hash)

RemoveTransaction remove a transaction from the pool

type TxPoolMsg 

type TxPoolMsg struct {
	*TxDesc
	MsgType int
}

TxPoolMsg is use for notify pool changes

Source Files

View all Source files

Directories

Path Synopsis
bc
Package bc is a generated protocol buffer package.
 Package bc is a generated protocol buffer package.
types
vm
mocks
vmutil

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