history

Documentation

Index

• Constants
• type Balance
  • func NewBalance(db *BalanceDB) *Balance
• type BalanceDB
  • func NewBalanceDB(sqlDb *sql.DB) *BalanceDB
• type DataPoint
• type DataSource
• type Exchange
  • func NewExchange(cryptoCompare *thirdparty.CryptoCompare) *Exchange
  • func (e *Exchange) FetchAndCacheMissingRates(token tokenType, currency currencyType) error
  • func (e *Exchange) GetExchangeRateForDay(token tokenType, currency currencyType, date time.Time) (float32, error)
• type Service
  • func NewService(db *sql.DB, eventFeed *event.Feed, rpcClient *statusrpc.Client, ...) *Service
  • func (s *Service) GetBalanceHistory(ctx context.Context, chainIDs []uint64, address common.Address, ...) ([]*ValuePoint, error)
  • func (s *Service) Start()
  • func (s *Service) Stop()
  • func (s *Service) UpdateVisibleTokens(symbols []string)
• type TimeInterval
• type ValuePoint

Constants

const (
	EventBalanceHistoryUpdateStarted           walletevent.EventType = "wallet-balance-history-update-started"
	EventBalanceHistoryUpdateFinished          walletevent.EventType = "wallet-balance-history-update-finished"
	EventBalanceHistoryUpdateFinishedWithError walletevent.EventType = "wallet-balance-history-update-finished-with-error"
)

EventBalanceHistoryUpdateStarted and EventBalanceHistoryUpdateDone are used to notify the UI that balance history is being updated

Types

type Balance

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

func NewBalance

func NewBalance(db *BalanceDB) *Balance

type BalanceDB

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

func NewBalanceDB

func NewBalanceDB(sqlDb *sql.DB) *BalanceDB

type DataPoint

type DataPoint struct {
	Balance     *hexutil.Big
	Timestamp   uint64
	BlockNumber *hexutil.Big
}

type DataSource

type DataSource interface {
	HeaderByNumber(ctx context.Context, number *big.Int) (*types.Header, error)
	BalanceAt(ctx context.Context, account common.Address, blockNumber *big.Int) (*big.Int, error)
	ChainID() uint64
	Currency() string
	TimeNow() int64
}

DataSource used as an abstraction to fetch required data from a specific blockchain

type Exchange

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

Exchange caches conversion rates in memory on a daily basis

func NewExchange

func NewExchange(cryptoCompare *thirdparty.CryptoCompare) *Exchange

func (*Exchange) FetchAndCacheMissingRates

func (e *Exchange) FetchAndCacheMissingRates(token tokenType, currency currencyType) error

fetchAndCacheRates fetches and in memory cache exchange rates for this and last year

func (*Exchange) GetExchangeRateForDay

func (e *Exchange) GetExchangeRateForDay(token tokenType, currency currencyType, date time.Time) (float32, error)

GetExchangeRate returns the exchange rate from token to currency in the day of the given date if none exists returns "missing <element>" error

type Service

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

func NewService

func NewService(db *sql.DB, eventFeed *event.Feed, rpcClient *statusrpc.Client, tokenManager *token.Manager, cryptoCompare *thirdparty.CryptoCompare) *Service

func (*Service) GetBalanceHistory

func (s *Service) GetBalanceHistory(ctx context.Context, chainIDs []uint64, address common.Address, tokenSymbol string, currencySymbol string, endTimestamp int64, timeInterval TimeInterval) ([]*ValuePoint, error)

GetBalanceHistory returns token count balance

func (*Service) Start

func (s *Service) Start()

func (*Service) Stop

func (s *Service) Stop()

func (*Service) UpdateVisibleTokens

func (s *Service) UpdateVisibleTokens(symbols []string)

type TimeInterval

type TimeInterval int

const (
	BalanceHistory7Days TimeInterval = iota + 1
	BalanceHistory1Month
	BalanceHistory6Months
	BalanceHistory1Year
	BalanceHistoryAllTime
)

Specific time intervals for which balance history can be fetched

type ValuePoint

type ValuePoint struct {
	Value       float64      `json:"value"`
	Timestamp   uint64       `json:"time"`
	BlockNumber *hexutil.Big `json:"blockNumber"`
}