ticketbuyer

package
v1.4.2 Latest Latest
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 Go to latest Published: Sep 9, 2019 License: ISC Imports: 15 Imported by: 0

Documentation

Overview

Package ticketbuyer provides an implementation of automatic ticket purchasing for a decred wallet.

Index

Constants

View Source 
const (
	// TicketFeeMean is the string indicating that the mean ticket fee
	// should be used when determining ticket fee.
	TicketFeeMean = "mean"

	// TicketFeeMedian is the string indicating that the median ticket fee
	// should be used when determining ticket fee.
	TicketFeeMedian = "median"

	// PriceTargetVWAP is the string indicating that the volume
	// weighted average price should be used as the price target.
	PriceTargetVWAP = "vwap"

	// PriceTargetPool is the string indicating that the ticket pool
	// price should be used as the price target.
	PriceTargetPool = "pool"

	// PriceTargetDual is the string indicating that a combination of the
	// ticket pool price and the ticket VWAP should be used as the
	// price target.
	PriceTargetDual = "dual"
)
View Source 
const (
	// AvgPriceVWAPMode indicates to use only the VWAP.
	AvgPriceVWAPMode = iota

	// AvgPricePoolMode indicates to use only the average
	// price in the ticket pool.
	AvgPricePoolMode

	// AvgPriceDualMode indicates to use bothe the VWAP and
	// the average pool price.
	AvgPriceDualMode
)

Variables

This section is empty.

Functions

func DisableLog 

func DisableLog()

DisableLog disables all library log output. Logging output is disabled by default until either UseLogger or SetLogWriter are called.

func UseLogger 

func UseLogger(logger slog.Logger)

UseLogger uses a specified Logger to output package logging info. This should be used in preference to SetLogWriter if the caller is also using slog.

Types

type Config 

type Config struct {
	AccountName               string
	AvgPriceMode              string
	AvgPriceVWAPDelta         int
	BalanceToMaintainAbsolute int64
	BalanceToMaintainRelative float64
	BlocksToAvg               int
	DontWaitForTickets        bool
	ExpiryDelta               int
	FeeSource                 string
	FeeTargetScaling          float64
	MinFee                    int64
	MaxFee                    int64
	MaxPerBlock               int
	MaxPriceAbsolute          int64
	MaxPriceRelative          float64
	MaxInMempool              int
	PoolAddress               dcrutil.Address
	PoolFees                  float64
	NoSpreadTicketPurchases   bool
	VotingAddress             dcrutil.Address
	TxFee                     int64
}

Config stores the configuration options for ticket buyer.

type PurchaseManager 

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

PurchaseManager is the main handler of websocket notifications to pass to the purchaser and internal quit notifications.

func NewPurchaseManager 

func NewPurchaseManager(w *wallet.Wallet, purchaser *TicketPurchaser,
	ntfnChan <-chan *wallet.MainTipChangedNotification, passphrase []byte) *PurchaseManager

NewPurchaseManager creates a new PurchaseManager.

func (*PurchaseManager) NotificationHandler 

func (p *PurchaseManager) NotificationHandler()

NotificationHandler handles notifications, which trigger ticket purchases.

func (*PurchaseManager) Purchaser 

func (p *PurchaseManager) Purchaser() *TicketPurchaser

Purchaser returns the ticket buyer instance associated with the purchase manager.

func (*PurchaseManager) Start 

func (p *PurchaseManager) Start()

Start starts the purchase manager goroutines.

func (*PurchaseManager) Stop 

func (p *PurchaseManager) Stop()

Stop signals all purchase manager goroutines to shutdown.

func (*PurchaseManager) WaitForShutdown 

func (p *PurchaseManager) WaitForShutdown()

WaitForShutdown blocks until all purchase manager goroutines have finished executing.

type PurchaseStats 

type PurchaseStats struct {
	Height        int64
	PriceMaxScale float64
	PriceAverage  dcrutil.Amount
	PriceNext     dcrutil.Amount
	PriceCurrent  dcrutil.Amount
	Purchased     int
	LeftWindow    int
	Balance       dcrutil.Amount
	TicketPrice   dcrutil.Amount
}

PurchaseStats stats is a collection of statistics related to the ticket purchase.

type TicketPurchaser 

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

TicketPurchaser is the main handler for purchasing tickets. It decides whether or not to do so based on information obtained from daemon and wallet chain servers.

func NewTicketPurchaser 

func NewTicketPurchaser(cfg *Config,
	dcrdChainSvr *dcrrpcclient.Client,
	w *wallet.Wallet,
	activeNet *chaincfg.Params) (*TicketPurchaser, error)

NewTicketPurchaser creates a new TicketPurchaser.

func (*TicketPurchaser) Account 

func (t *TicketPurchaser) Account() uint32

Account returns the account to use for purchasing tickets.

func (*TicketPurchaser) AccountName 

func (t *TicketPurchaser) AccountName() (string, error)

AccountName returns the account name to use for purchasing tickets.

func (*TicketPurchaser) BalanceToMaintain 

func (t *TicketPurchaser) BalanceToMaintain() dcrutil.Amount

BalanceToMaintain returns the balance to be maintained in the wallet.

func (*TicketPurchaser) Config 

func (t *TicketPurchaser) Config() (*Config, error)

Config returns the current ticket buyer configuration.

func (*TicketPurchaser) ExpiryDelta 

func (t *TicketPurchaser) ExpiryDelta() int

ExpiryDelta returns the expiry delta.

func (*TicketPurchaser) MaxFee 

func (t *TicketPurchaser) MaxFee() dcrutil.Amount

MaxFee returns the max ticket fee per KB to use when purchasing tickets.

func (*TicketPurchaser) MaxInMempool 

func (t *TicketPurchaser) MaxInMempool() int

MaxInMempool returns the max tickets to allow in the mempool.

func (*TicketPurchaser) MaxPerBlock 

func (t *TicketPurchaser) MaxPerBlock() int

MaxPerBlock returns the max tickets to purchase for a block.

func (*TicketPurchaser) MaxPriceAbsolute 

func (t *TicketPurchaser) MaxPriceAbsolute() dcrutil.Amount

MaxPriceAbsolute returns the max absolute price to purchase a ticket.

func (*TicketPurchaser) MaxPriceRelative 

func (t *TicketPurchaser) MaxPriceRelative() float64

MaxPriceRelative returns the scaling factor which is multipled by average price to calculate a relative max for the ticket price.

func (*TicketPurchaser) MinFee 

func (t *TicketPurchaser) MinFee() dcrutil.Amount

MinFee returns the min ticket fee per KB to use when purchasing tickets.

func (*TicketPurchaser) PoolAddress 

func (t *TicketPurchaser) PoolAddress() dcrutil.Address

PoolAddress returns the pool address where ticket fees are sent.

func (*TicketPurchaser) PoolFees 

func (t *TicketPurchaser) PoolFees() float64

PoolFees returns the percent of ticket per ticket fee mandated by the pool.

func (*TicketPurchaser) Purchase 

func (t *TicketPurchaser) Purchase(height int64) (*PurchaseStats, error)

Purchase is the main handler for purchasing tickets for the user. TODO Not make this an inlined pile of crap.

func (*TicketPurchaser) SetAccount 

func (t *TicketPurchaser) SetAccount(account uint32)

SetAccount sets the account to use for purchasing tickets.

func (*TicketPurchaser) SetBalanceToMaintain 

func (t *TicketPurchaser) SetBalanceToMaintain(balanceToMaintain int64)

SetBalanceToMaintain sets the balance to be maintained in the wallet.

func (*TicketPurchaser) SetExpiryDelta 

func (t *TicketPurchaser) SetExpiryDelta(expiryDelta int)

SetExpiryDelta sets the expiry delta.

func (*TicketPurchaser) SetMaxFee 

func (t *TicketPurchaser) SetMaxFee(maxFee int64)

SetMaxFee sets the max ticket fee per KB to use when purchasing tickets.

func (*TicketPurchaser) SetMaxInMempool 

func (t *TicketPurchaser) SetMaxInMempool(maxInMempool int)

SetMaxInMempool sets the max tickets to allow in the mempool.

func (*TicketPurchaser) SetMaxPerBlock 

func (t *TicketPurchaser) SetMaxPerBlock(maxPerBlock int)

SetMaxPerBlock sets the max tickets to purchase for a block.

func (*TicketPurchaser) SetMaxPriceAbsolute 

func (t *TicketPurchaser) SetMaxPriceAbsolute(maxPriceAbsolute int64)

SetMaxPriceAbsolute sets the max absolute price to purchase a ticket.

func (*TicketPurchaser) SetMaxPriceRelative 

func (t *TicketPurchaser) SetMaxPriceRelative(maxPriceRelative float64)

SetMaxPriceRelative sets scaling factor.

func (*TicketPurchaser) SetMinFee 

func (t *TicketPurchaser) SetMinFee(minFee int64)

SetMinFee sets the min ticket fee per KB to use when purchasing tickets.

func (*TicketPurchaser) SetPoolAddress 

func (t *TicketPurchaser) SetPoolAddress(poolAddress dcrutil.Address)

SetPoolAddress sets the pool address where ticket fees are sent.

func (*TicketPurchaser) SetPoolFees 

func (t *TicketPurchaser) SetPoolFees(poolFees float64)

SetPoolFees sets the percent of ticket per ticket fee mandated by the pool.

func (*TicketPurchaser) SetVotingAddress 

func (t *TicketPurchaser) SetVotingAddress(votingAddress dcrutil.Address)

SetVotingAddress sets the address to send ticket outputs to.

func (*TicketPurchaser) VotingAddress 

func (t *TicketPurchaser) VotingAddress() dcrutil.Address

VotingAddress returns the address to send ticket outputs to.

Source Files

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Directories

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