ffs

package
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 Go to latest Published: Sep 30, 2020 License: MIT Imports: 10 Imported by: 5

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Index

Constants

This section is empty.

Variables

View Source 
var (
	// EmptyInstanceID represents an empty/invalid Instance ID.
	EmptyInstanceID = APIID("")
)
View Source 
var (
	// EmptyJobID represents an empty JobID.
	EmptyJobID = JobID("")
)
View Source 
var (
	// EmptyRetrievalID is an undef retrieval id.
	EmptyRetrievalID = RetrievalID("")
)
View Source 
var JobStatusStr = map[JobStatus]string{
	Unspecified: "Unspecified",
	Queued:      "Queued",
	Executing:   "Executing",
	Failed:      "Failed",
	Canceled:    "Canceled",
	Success:     "Success",
}

JobStatusStr maps JobStatus to describing string.

View Source 
var PaychDirStr = map[PaychDir]string{
	PaychDirUnspecified: "Unspecified",
	PaychDirInbound:     "Inbound",
	PaychDirOutbound:    "Outbound",
}

PaychDirStr maps PaychDirs to describing string.

Functions

This section is empty.

Types

type APIID 

type APIID string

APIID is an identifier for a Api instance.

func NewAPIID 

func NewAPIID() APIID

NewAPIID returns a new InstanceID.

func (APIID) String 

func (i APIID) String() string

String returns a string representation of InstanceID.

func (APIID) Valid 

func (i APIID) Valid() bool

Valid returns true if the InstanceID is valid, false otherwise.

type CidInfo 

type CidInfo struct {
	// JobID indicates the Job ID which updated
	// the current information. It *may be empty* if
	// the data was imported manually.
	JobID JobID
	// Cid of payload.
	Cid cid.Cid
	// Created is the timestamp of the data.
	Created time.Time
	// Hot contains hot storage information.
	Hot HotInfo
	// Cold contains cold storage information.
	Cold ColdInfo
}

CidInfo contains information about the current storage state of a Cid.

type ColdConfig 

type ColdConfig struct {
	// Enabled indicates that data will be saved in Cold storage.
	// If is switched from false->true, it will consider the other attributes
	// as the desired state of the data in this Storage.
	Enabled bool
	// Filecoin describes the desired Filecoin configuration for a Cid in the
	// Filecoin network.
	Filecoin FilConfig
}

ColdConfig is the desired state of a Cid in a cold layer.

func (ColdConfig) Validate 

func (cc ColdConfig) Validate() error

Validate validates a ColdConfig.

type ColdInfo 

type ColdInfo struct {
	Enabled  bool
	Filecoin FilInfo
}

ColdInfo contains information about the current storage state of a Cid in the cold layer.

type ColdStorage 

type ColdStorage interface {
	// Store stores a Cid using the provided configuration and
	// account address. It returns a slice of accepted proposed deals,
	// a slice of rejected proposal deals, and the size of the data.
	Store(context.Context, cid.Cid, FilConfig) ([]cid.Cid, []DealError, uint64, error)

	// WaitForDeal blocks the provided Deal Proposal reach a
	// final state. If the deal finishes successfully it returns a FilStorage
	// result. If the deal finished with error, it returns a ffs.DealError
	// error result, so it should be considered in error handling.
	WaitForDeal(context.Context, cid.Cid, cid.Cid) (FilStorage, error)

	// Fetch fetches the cid data in the underlying storage.
	Fetch(context.Context, cid.Cid, *cid.Cid, string, []string, uint64, string) (FetchInfo, error)

	// EnsureRenewals executes renewal logic for a Cid under a particular
	// configuration. It returns a slice of deal errors happened during execution.
	EnsureRenewals(context.Context, cid.Cid, FilInfo, FilConfig) (FilInfo, []DealError, error)

	// IsFIlDealActive returns true if the proposal Cid is active on chain;
	// returns false otherwise.
	IsFilDealActive(context.Context, cid.Cid) (bool, error)
}

ColdStorage is slow/cheap storage for Cid data. It has native support for Filecoin storage.

type DealError 

type DealError struct {
	ProposalCid cid.Cid
	Miner       string
	Message     string
}

DealError contains information about a failed deal.

func (DealError) Error 

func (de DealError) Error() string

Error returns an stringified message of the underlying error cause.

type DealRecordsManager 

type DealRecordsManager interface {
	ListStorageDealRecords(opts ...deals.ListDealRecordsOption) ([]deals.StorageDealRecord, error)
	ListRetrievalDealRecords(opts ...deals.ListDealRecordsOption) ([]deals.RetrievalDealRecord, error)
}

DealRecordsManager provides access to deal records.

type FetchInfo added in v0.6.0 

type FetchInfo struct {
	RetrievedMiner string
	FundsSpent     uint64
}

FetchInfo describes information about a Filecoin retrieval.

type FilConfig 

type FilConfig struct {
	// RepFactor indicates the desired amount of active deals
	// with different miners to store the data. While making deals
	// the other attributes of FilConfig are considered for miner selection.
	RepFactor int
	// DealMinDuration indicates the duration to be used when making new deals.
	DealMinDuration int64
	// ExcludedMiners is a set of miner addresses won't be ever be selected
	// when making new deals, even if they comply to other filters.
	ExcludedMiners []string
	// TrustedMiners is a set of miner addresses which will be forcibly used
	// when making new deals. An empty/nil list disables this feature.
	TrustedMiners []string
	// CountryCodes indicates that new deals should select miners on specific
	// countries.
	CountryCodes []string
	// Renew indicates deal-renewal configuration.
	Renew FilRenew
	// Addr is the wallet address used to store the data in filecoin
	Addr string
	// MaxPrice is the maximum price that will be spent to store the data
	MaxPrice uint64
	// FastRetrieval indicates that created deals should enable the
	// fast retrieval feature.
	FastRetrieval bool
	// DealStartOffset indicates how many epochs in the future impose a
	// deadline to new deals being active on-chain. This value might influence
	// if miners accept deals, since they should seal fast enough to satisfy
	// this constraint.
	DealStartOffset int64
}

FilConfig is the desired state of a Cid in the Filecoin network.

func (*FilConfig) Validate 

func (fc *FilConfig) Validate() error

Validate returns a non-nil error if the configuration is invalid.

type FilInfo 

type FilInfo struct {
	// DataCid corresponds to the PayloadCid of the deal.
	DataCid cid.Cid
	// Size is the size of the Piece. Recall that this size
	// is which is accounted for payment. Also is equal or
	// greater than the original data size.
	// This value might be zero for imported deals; if that's
	// the case, will be re-calculated in the next made deal.
	Size uint64
	// Proposals contains known deals for the data.
	Proposals []FilStorage
}

FilInfo contains information about the current storage state of a Cid in the Filecoin network.

type FilRenew 

type FilRenew struct {
	// Enabled indicates that deal-renewal is enabled for this Cid.
	Enabled bool
	// Threshold indicates how many epochs before expiring should trigger
	// deal renewal. e.g: 100 epoch before expiring.
	Threshold int
}

FilRenew contains renew configuration for a Cid Cold Storage deals.

func (*FilRenew) Validate 

func (fr *FilRenew) Validate() error

Validate returns a non-nil error if the configuration is invalid.

type FilStorage 

type FilStorage struct {
	// ProposalCid of the deal.
	ProposalCid cid.Cid
	// PieceCid is the piece Cid.
	PieceCid cid.Cid
	// Renewed indicates if this deal was
	// already renewed, so it can expiry
	// safely if renewals are enabled.
	Renewed bool
	// Duration is the duration of the deal.
	Duration int64
	// ActivationEpoch is the epoch in which
	// the deal was activated.
	ActivationEpoch int64
	// StartEpoch is the starting epoch in which
	// the deal is considered active on-chain.
	StartEpoch uint64
	// Miner is the miner address which is storing
	// deals data.
	Miner string
	// EpochPrice is the price of attoFil per GiB
	// per epoch paid in this deal.
	EpochPrice uint64
}

FilStorage contains Deal information of a storage in Filecoin. This information is used in FFS may be used by FFS logic to provide repair, renwal, or retrieval tasks.

type HotConfig 

type HotConfig struct {
	// Enable indicates if Cid data is stored. If true, it will consider
	// further configurations to execute actions.
	Enabled bool
	// AllowUnfreeze indicates that if data isn't available in the Hot Storage,
	// it's allowed to be feeded by Cold Storage if available.
	AllowUnfreeze bool
	// UnfreezeMaxPrice indicates the maximum amount of attoFil to pay for
	// retrieval of data to unfreeze.
	UnfreezeMaxPrice uint64
	// Ipfs contains configuration related to storing Cid data in a IPFS node.
	Ipfs IpfsConfig
}

HotConfig is the desired storage of a Cid in a Hot Storage.

func (HotConfig) Validate 

func (hc HotConfig) Validate() error

Validate validates a HotConfig.

type HotInfo 

type HotInfo struct {
	Enabled bool
	Size    int
	Ipfs    IpfsHotInfo
}

HotInfo contains information about the current storage state of a Cid in the hot layer.

type HotStorage 

type HotStorage interface {
	// Add adds io.Reader data ephemerally (not pinned).
	Add(context.Context, io.Reader) (cid.Cid, error)

	// Remove removes a stored Cid.
	Remove(context.Context, cid.Cid) error

	// Get retrieves a stored Cid data.
	Get(context.Context, cid.Cid) (io.Reader, error)

	// Store stores a Cid. If the data wasn't previously Added,
	// depending on the implementation it may use internal mechanisms
	// for pulling the data, e.g: IPFS network
	Store(context.Context, cid.Cid) (int, error)

	// Replace replaces a stored Cid with a new one. It's mostly
	// thought for mutating data doing this efficiently.
	Replace(context.Context, cid.Cid, cid.Cid) (int, error)

	// IsStore returns true if the Cid is stored, or false
	// otherwise.
	IsStored(context.Context, cid.Cid) (bool, error)
}

HotStorage is a fast storage layer for Cid data.

type IpfsConfig 

type IpfsConfig struct {
	// AddTimeout is an upper bound on adding data to IPFS node from
	// the network before failing.
	AddTimeout int
}

IpfsConfig is the desired storage of a Cid in IPFS.

func (*IpfsConfig) Validate 

func (ic *IpfsConfig) Validate() error

Validate validates an IpfsConfig.

type IpfsHotInfo 

type IpfsHotInfo struct {
	Created time.Time
}

IpfsHotInfo contains information about the current storage state of a Cid in an IPFS node.

type JobID 

type JobID string

JobID is an identifier for a ffs.Job.

func NewJobID 

func NewJobID() JobID

NewJobID returns a new JobID.

func (JobID) String 

func (jid JobID) String() string

String returns a string representation of JobID.

type JobLogger added in v0.6.0 

type JobLogger interface {
	Log(context.Context, string, ...interface{})
	Watch(context.Context, chan<- LogEntry) error
	GetByCid(context.Context, cid.Cid) ([]LogEntry, error)
}

JobLogger saves log information about a storage and retrieval tasks.

type JobLoggerCtxKey added in v0.6.0 

type JobLoggerCtxKey int

JobLoggerCtxKey is a type to use in ctx values for CidLogger. 

const (
	// CtxKeyJid is a context-key to indicate the Job ID for JobLogger.
	CtxKeyJid JobLoggerCtxKey = iota
	// CtxStorageCid is the context-key to indicate the Cid of a
	// StorageJob for JobLogger.
	CtxStorageCid
	// CtxRetrievalID is the context-key to indicate the RetrievalID of
	// a RetrievalJob for JobLogger.
	CtxRetrievalID
)

type JobStatus 

type JobStatus int

JobStatus is a type for Job statuses. 

const (
	// Unspecified indicates a default or empty value
	Unspecified JobStatus = iota
	// Queued indicates the Job is queued in the Scheduler.
	Queued
	// Executing indicates that the Job is currently being
	// executed.
	Executing
	// Failed indicates the Job failed, with job.ErrCause with
	// the error cause.
	Failed
	// Canceled indicates the Job was canceled from Queued,
	// and didn't reach execution.
	Canceled
	// Success indicates the Job was successfully executed.
	Success
)

type LogEntry 

type LogEntry struct {
	Cid       cid.Cid
	Timestamp time.Time
	Jid       JobID
	Msg       string
}

LogEntry is a log entry from a Cid execution.

type MinerProposal 

type MinerProposal struct {
	Addr       string
	EpochPrice uint64
}

MinerProposal contains a miners address and storage ask information to make a, most probably, successful deal.

type MinerSelector 

type MinerSelector interface {
	// GetMiners returns a specified amount of miners that satisfy
	// provided filters.
	GetMiners(int, MinerSelectorFilter) ([]MinerProposal, error)
}

MinerSelector returns miner addresses and ask storage information using a desired strategy.

type MinerSelectorFilter 

type MinerSelectorFilter struct {
	// ExcludedMiners contains miner addresses that should not be considered in
	// returned results. An empty list means no exclusions.
	ExcludedMiners []string
	// TrustedMiners contains miner addresses that will be prioritized
	// if are available in the query result. If the number of expected
	// results exceeeds the number of trusted miners, the remaining amount
	// of results will be returned still applying the rest of the filters
	// and the MinerSelector sorting logic.
	TrustedMiners []string
	// CountryCodes contains long-ISO country names that should be
	// considered in selected miners. An empty list means no filtering.
	CountryCodes []string
	// MaxPrice is the max ask price to consider when selecting miner deals
	MaxPrice uint64
}

MinerSelectorFilter establishes filters that should be considered when returning miners.

type PaychDir 

type PaychDir int

PaychDir specifies the direction of a payment channel. 

const (
	// PaychDirUnspecified is an undefined direction.
	PaychDirUnspecified PaychDir = iota
	// PaychDirInbound is an inbound direction.
	PaychDirInbound
	// PaychDirOutbound is an outbound direction.
	PaychDirOutbound
)

type PaychInfo 

type PaychInfo struct {
	CtlAddr   string
	Addr      string
	Direction PaychDir
}

PaychInfo holds information about a payment channel.

type PaychManager 

type PaychManager interface {
	// List lists all payment channels involving the specified addresses.
	List(ctx context.Context, addrs ...string) ([]PaychInfo, error)
	// Create creates a new payment channel.
	Create(ctx context.Context, from string, to string, amount uint64) (PaychInfo, cid.Cid, error)
	// Redeem redeems a payment channel.
	Redeem(ctx context.Context, ch string) error
}

PaychManager provides access to payment channels.

type RetrievalID added in v0.6.0 

type RetrievalID string

RetrievalID is the identifier of a Filecoin retrieval.

func NewRetrievalID added in v0.6.0 

func NewRetrievalID() RetrievalID

NewRetrievalID returns an new retrieval ID.

func (RetrievalID) String added in v0.6.0 

func (ri RetrievalID) String() string

String returns a string representation of RetrievalID.

type RetrievalInfo added in v0.6.0 

type RetrievalInfo struct {
	ID        RetrievalID
	DataCid   cid.Cid
	TotalPaid uint64
	MinerAddr string
	Size      int64
	CreatedAt time.Time
}

RetrievalInfo has data about an executed Filecoin retrieval.

type RetrievalJob added in v0.6.0 

type RetrievalJob struct {
	ID          JobID
	APIID       APIID
	RetrievalID RetrievalID
	Status      JobStatus
	ErrCause    string
}

RetrievalJob is a retrieval task executed by the Scheduler.

type StorageConfig added in v0.2.0 

type StorageConfig struct {
	Hot        HotConfig
	Cold       ColdConfig
	Repairable bool
}

StorageConfig contains a default storage configuration for an Api instance.

func (StorageConfig) Validate added in v0.2.0 

func (s StorageConfig) Validate() error

Validate validates a StorageConfig.

func (StorageConfig) WithColdAddr added in v0.2.0 

func (s StorageConfig) WithColdAddr(addr string) StorageConfig

WithColdAddr specifies the wallet address that should be used for transactions.

func (StorageConfig) WithColdEnabled added in v0.2.0 

func (s StorageConfig) WithColdEnabled(enabled bool) StorageConfig

WithColdEnabled allows to enable/disable Cold storage usage.

func (StorageConfig) WithColdFastRetrieval added in v0.6.0 

func (s StorageConfig) WithColdFastRetrieval(enabled bool) StorageConfig

WithColdFastRetrieval sets the Fast Retrieval feature for new deals.

func (StorageConfig) WithColdFilCountryCodes added in v0.2.0 

func (s StorageConfig) WithColdFilCountryCodes(countryCodes []string) StorageConfig

WithColdFilCountryCodes defines a list of allowed country codes to select miners for deals.

func (StorageConfig) WithColdFilDealDuration added in v0.2.0 

func (s StorageConfig) WithColdFilDealDuration(duration int64) StorageConfig

WithColdFilDealDuration defines the duration used for deals for Filecoin storage.

func (StorageConfig) WithColdFilExcludedMiners added in v0.2.0 

func (s StorageConfig) WithColdFilExcludedMiners(miners []string) StorageConfig

WithColdFilExcludedMiners defines a list of miner addresses which won't be selected for making deals, no matter if they comply to other filters in the configuration.

func (StorageConfig) WithColdFilRenew added in v0.2.0 

func (s StorageConfig) WithColdFilRenew(enabled bool, threshold int) StorageConfig

WithColdFilRenew specifies if deals should be renewed before they expire with a particular threshold chain epochs.

func (StorageConfig) WithColdFilRepFactor added in v0.2.0 

func (s StorageConfig) WithColdFilRepFactor(repFactor int) StorageConfig

WithColdFilRepFactor defines the replication factor for Filecoin storage.

func (StorageConfig) WithColdFilTrustedMiners added in v0.2.0 

func (s StorageConfig) WithColdFilTrustedMiners(miners []string) StorageConfig

WithColdFilTrustedMiners defines a list of trusted miners addresses which will be returned if available. If more miners reusults are needed, other filters will be applied as usual.

func (StorageConfig) WithColdMaxPrice added in v0.2.0 

func (s StorageConfig) WithColdMaxPrice(maxPrice uint64) StorageConfig

WithColdMaxPrice specifies the max price that should be considered for deal asks even when all other filers match.

func (StorageConfig) WithColdStartDealOffset added in v0.6.1 

func (s StorageConfig) WithColdStartDealOffset(offset int64) StorageConfig

WithColdStartDealOffset sets the maximum time in epochs a new deal must be active on-chain.

func (StorageConfig) WithFastRetrieval added in v0.6.0 

func (s StorageConfig) WithFastRetrieval(enabled bool) StorageConfig

WithFastRetrieval specifies if deal fast retrieval flag on new deals is enabled.

func (StorageConfig) WithHotAllowUnfreeze added in v0.2.0 

func (s StorageConfig) WithHotAllowUnfreeze(allow bool) StorageConfig

WithHotAllowUnfreeze allows the Scheduler to fetch data from the Cold Storage, if the Enabled flag of the Hot Storage switches from false->true.

func (StorageConfig) WithHotEnabled added in v0.2.0 

func (s StorageConfig) WithHotEnabled(enabled bool) StorageConfig

WithHotEnabled allows to enable/disable Hot storage usage.

func (StorageConfig) WithHotIpfsAddTimeout added in v0.2.0 

func (s StorageConfig) WithHotIpfsAddTimeout(seconds int) StorageConfig

WithHotIpfsAddTimeout specifies a timeout for fetching data in Ipfs.

func (StorageConfig) WithRepairable added in v0.2.0 

func (s StorageConfig) WithRepairable(enabled bool) StorageConfig

WithRepairable allows to enable/disable auto-repair.

func (StorageConfig) WithUnfreezeMaxPrice added in v0.6.0 

func (s StorageConfig) WithUnfreezeMaxPrice(maxPrice uint64) StorageConfig

WithUnfreezeMaxPrice indicates the maximum price to pay for an unfreeze procedure.

type StorageJob added in v0.6.0 

type StorageJob struct {
	ID         JobID
	APIID      APIID
	Cid        cid.Cid
	Status     JobStatus
	ErrCause   string
	DealErrors []DealError
}

StorageJob is a task executed by the Scheduler.

type WalletManager 

type WalletManager interface {
	// MasterAddr returns the master address.
	// Will return address.Undef is Powergate was started with no master address.
	MasterAddr() address.Address
	// NewAddress creates a new address.
	NewAddress(context.Context, string) (string, error)
	// Balance returns the current balance for an address.
	Balance(context.Context, string) (uint64, error)
	// SendFil sends fil from one address to another.
	SendFil(context.Context, string, string, *big.Int) error
	// Sign signs a message using an address.
	Sign(context.Context, string, []byte) ([]byte, error)
	// Verify verifies if a message was signed with an address.
	Verify(context.Context, string, []byte, []byte) (bool, error)
}

WalletManager provides access to a Lotus wallet for a Lotus node.

Source Files

View all Source files

Directories

Path Synopsis
minerselector
fixed
reptop
sr2
internal/astore
internal/cistore
internal/ristore
internal/rjstore
internal/sjstore
internal/trackstore

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