pricer

Documentation

Overview

Package pricer contains pricing logic for RFQ relayer quotes.

Index

• type CoingeckoPriceFetcher
• type CoingeckoPriceFetcherImpl
  • func NewCoingeckoPriceFetcher(timeout time.Duration) *CoingeckoPriceFetcherImpl
  • func (c *CoingeckoPriceFetcherImpl) GetPrice(ctx context.Context, token string) (price float64, err error)
• type FeePricer
  • func NewFeePricer(config relconfig.Config, clientFetcher submitter.ClientFetcher, ...) FeePricer

Types

type CoingeckoPriceFetcher

type CoingeckoPriceFetcher interface {
	GetPrice(ctx context.Context, token string) (float64, error)
}

CoingeckoPriceFetcher is an interface for fetching prices from coingecko.

type CoingeckoPriceFetcherImpl

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

CoingeckoPriceFetcherImpl is an implementation of CoingeckoPriceFetcher.

func NewCoingeckoPriceFetcher

func NewCoingeckoPriceFetcher(timeout time.Duration) *CoingeckoPriceFetcherImpl

NewCoingeckoPriceFetcher creates a new instance of CoingeckoPriceFetcherImpl.

func (*CoingeckoPriceFetcherImpl) GetPrice

func (c *CoingeckoPriceFetcherImpl) GetPrice(ctx context.Context, token string) (price float64, err error)

GetPrice fetches the price of a token from coingecko.

type FeePricer

type FeePricer interface {
	// Start starts the fee pricer.
	Start(ctx context.Context)
	// GetOriginFee returns the total fee for a given chainID and gas limit, denominated in a given token.
	GetOriginFee(ctx context.Context, origin, destination uint32, denomToken string, isQuote bool) (*big.Int, error)
	// GetDestinationFee returns the total fee for a given chainID and gas limit, denominated in a given token.
	GetDestinationFee(ctx context.Context, origin, destination uint32, denomToken string, isQuote bool) (*big.Int, error)
	// GetTotalFee returns the total fee for a given origin and destination chainID, denominated in a given token.
	GetTotalFee(ctx context.Context, origin, destination uint32, denomToken string, isQuote bool) (*big.Int, error)
	// GetGasPrice returns the gas price for a given chainID in native units.
	GetGasPrice(ctx context.Context, chainID uint32) (*big.Int, error)
	// GetTokenPrice returns the price of a token in USD.
	GetTokenPrice(ctx context.Context, token string) (float64, error)
}

FeePricer is the interface for the fee pricer.

func NewFeePricer

func NewFeePricer(config relconfig.Config, clientFetcher submitter.ClientFetcher, priceFetcher CoingeckoPriceFetcher, handler metrics.Handler) FeePricer

NewFeePricer creates a new fee pricer.