orca

Documentation

Index

• Constants
• func GetOrcaFees(solanaClient *rpc.Provider, transaction types.TransactionResult, ...) (feesPaid *big.Rat, err error)
• type ConstantProductCurveFeeData

Constants

const (
	// CurveDataStartByte is the offset at which the curve data is stored
	CurveDataStartByte = 227

	// SplMintDecimalsStartByte is the offset at which the decimals of an
	// spl-mint is encoded
	SplMintDecimalsStartByte = 44

	// SwapVariant is the enum variant of swap instruction
	SwapVariant = 1
)

Functions

func GetOrcaFees

func GetOrcaFees(solanaClient *rpc.Provider, transaction types.TransactionResult, orcaProgramId string, fluidTokens map[string]string) (feesPaid *big.Rat, err error)

GetOrcaFees by checking that an orca swap occurred, then destructuring the swap information to get the fee %, and getting the fees paid by multiplying the value of the swap

Types

type ConstantProductCurveFeeData

type ConstantProductCurveFeeData struct {
	TradeFeeNumerator        int64
	TradeFeeDenominator      int64
	OwnerTradeFeeNumerator   int64
	OwnerTradeFeeDenominator int64
}

ConstantProductCurveFeeData is an Orca struct that encodes the % fee taken on a pool