state

package
v0.34.4 Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: Jul 23, 2021 License: Apache-2.0 Imports: 22 Imported by: 0

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Index

Constants

View Source 
const (
	DefaultValidatorsWindowSize = 10
)
View Source 
const VersionOffset = int64(1)

Since we have an initial save of our state forest we start one version ahead of the block height, but from then on we should track height by this offset.

Variables

View Source 
var Prefixes [][]byte

Functions

func HeightAtVersion 

func HeightAtVersion(version int64) uint64

func LoadValidatorRing 

func LoadValidatorRing(version int64, ringSize int,
	getImmutable func(version int64) (*storage.ImmutableForest, error)) (*validator.Ring, error)

Initialises the validator Ring from the validator storage in forest

func VersionAtHeight 

func VersionAtHeight(height uint64) int64

Types

type ImmutableState added in v0.34.4 

type ImmutableState struct {
	Forest storage.ForestReader
	validator.History
}

This is the immutable merklised read state at a given finalised height

func (*ImmutableState) GetAccount added in v0.34.4 

func (s *ImmutableState) GetAccount(address crypto.Address) (*acm.Account, error)

Returns nil if account does not exist with given address.

func (*ImmutableState) GetName added in v0.34.4 

func (s *ImmutableState) GetName(name string) (*names.Entry, error)

func (*ImmutableState) GetNodeByID added in v0.34.4 

func (s *ImmutableState) GetNodeByID(id crypto.Address) (*registry.NodeIdentity, error)

func (*ImmutableState) GetProposal added in v0.34.4 

func (s *ImmutableState) GetProposal(proposalHash []byte) (*payload.Ballot, error)

func (*ImmutableState) GetStorage added in v0.34.4 

func (s *ImmutableState) GetStorage(address crypto.Address, key binary.Word256) ([]byte, error)

func (*ImmutableState) IterateAccounts added in v0.34.4 

func (s *ImmutableState) IterateAccounts(consumer func(*acm.Account) error) error

func (*ImmutableState) IterateNames added in v0.34.4 

func (s *ImmutableState) IterateNames(consumer func(*names.Entry) error) error

func (*ImmutableState) IterateNodes added in v0.34.4 

func (s *ImmutableState) IterateNodes(consumer func(crypto.Address, *registry.NodeIdentity) error) error

func (*ImmutableState) IterateProposals added in v0.34.4 

func (s *ImmutableState) IterateProposals(consumer func(proposalHash []byte, proposal *payload.Ballot) error) error

func (*ImmutableState) IterateStorage added in v0.34.4 

func (s *ImmutableState) IterateStorage(address crypto.Address, consumer func(key binary.Word256, value []byte) error) error

func (*ImmutableState) IterateStreamEvents added in v0.34.4 

func (s *ImmutableState) IterateStreamEvents(startHeight, endHeight *uint64, sortOrder storage.SortOrder,
	consumer func(*exec.StreamEvent) error) error

Iterate SteamEvents over the closed interval [startHeight, endHeight] - i.e. startHeight and endHeight inclusive

func (*ImmutableState) IterateValidators added in v0.34.4 

func (s *ImmutableState) IterateValidators(fn func(id crypto.Addressable, power *big.Int) error) error

func (*ImmutableState) LastStoredHeight added in v0.34.4 

func (s *ImmutableState) LastStoredHeight() (uint64, error)

Get the last block height we stored in state

func (*ImmutableState) Power added in v0.34.4 

func (s *ImmutableState) Power(id crypto.Address) (*big.Int, error)

func (*ImmutableState) TxsAtHeight added in v0.34.4 

func (s *ImmutableState) TxsAtHeight(height uint64) ([]*exec.TxExecution, error)

type KeyFormatStore 

type KeyFormatStore struct {
	Account   *storage.MustKeyFormat
	Storage   *storage.MustKeyFormat
	Name      *storage.MustKeyFormat
	Proposal  *storage.MustKeyFormat
	Validator *storage.MustKeyFormat
	Event     *storage.MustKeyFormat
	Registry  *storage.MustKeyFormat
	TxHash    *storage.MustKeyFormat
	Abi       *storage.MustKeyFormat
}

type ReadState 

type ReadState struct {
	ImmutableState
	Plain *storage.PrefixDB
}

func (*ReadState) GetMetadata added in v0.34.4 

func (s *ReadState) GetMetadata(metahash acmstate.MetadataHash) (string, error)

func (*ReadState) TxByHash 

func (s *ReadState) TxByHash(txHash []byte) (*exec.TxExecution, error)

type State 

type State struct {
	sync.Mutex

	ReadState
	// contains filtered or unexported fields
}

Writers to state are responsible for calling State.Lock() before calling

func LoadState 

func LoadState(db dbm.DB, version int64) (*State, error)

Tries to load the execution state from DB, returns nil with no error if no state found

func MakeGenesisState 

func MakeGenesisState(db dbm.DB, genesisDoc *genesis.GenesisDoc) (*State, error)

Make genesis state from GenesisDoc and save to DB

func NewState 

func NewState(db dbm.DB) *State

NewState creates a new State object

func (*State) AtHeight added in v0.34.4 

func (s *State) AtHeight(height uint64) (*ImmutableState, error)

Return a concurrent-safe immutable read state at the given height

func (*State) AtLatestVersion added in v0.34.4 

func (s *State) AtLatestVersion() (*ImmutableState, error)

func (*State) AtVersion added in v0.34.4 

func (s *State) AtVersion(version int64) (*ImmutableState, error)

Return a concurrent-safe immutable read state at the given version

func (*State) Copy 

func (s *State) Copy(db dbm.DB) (*State, error)

Creates a copy of the database to the supplied db

func (*State) Dump 

func (s *State) Dump() string

func (*State) GetAccountStats 

func (s *State) GetAccountStats() acmstate.AccountStats

func (*State) GetNodeIDsByAddress added in v0.34.4 

func (s *State) GetNodeIDsByAddress(net string) ([]crypto.Address, error)

func (*State) GetNumPeers added in v0.34.4 

func (s *State) GetNumPeers() int

func (*State) Hash 

func (s *State) Hash() []byte

func (*State) InitialCommit 

func (s *State) InitialCommit() error

func (*State) SetLogger 

func (s *State) SetLogger(logger *logging.Logger)

func (*State) Update 

func (s *State) Update(updater func(up Updatable) error) ([]byte, int64, error)

Perform updates to state whilst holding the write lock, allows a commit to hold the write lock across multiple operations while preventing interlaced reads and writes

func (*State) Version 

func (s *State) Version() int64

type Updatable 

type Updatable interface {
	acmstate.Writer
	names.Writer
	proposal.Writer
	registry.Writer
	validator.Writer
	acmstate.MetadataWriter
	AddBlock(blockExecution *exec.BlockExecution) error
}

Source Files

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