math

func AdjustAmount ¶

func AdjustAmount(amount sdkmath.Int, factor float64) sdkmath.Int

AdjustAmount adjusts the given amount based on the provided adjustment factor.

func AdjustSlippageFloat64 ¶

func AdjustSlippageFloat64(price float64, slippage float64, isBuy bool) float64

func BpsToDecimal ¶

func BpsToDecimal(bps int64) float64

func CalculatePriceFromCoins ¶

func CalculatePriceFromCoins(base, baseDenom string, baseDecimals int, quote, quoteDenom string, quoteDecimals int) (*big.Float, error)

CalculatePriceFromCoins computes base/quote as a big.Float

func ComparePercentageChange ¶

func ComparePercentageChange(oldValue, newValue float64, threshold int64) (float64, bool)

ComparePercentageChange calculates the percentage change and checks if it is significant.

func ConvertDecimalsBigInt ¶

func ConvertDecimalsBigInt(value *big.Int, fromDecimals, toDecimals int) *big.Int

ConvertDecimalsBigInt truncates a fixed-point decimal from `fromDecimals` to `toDecimals`

func ConvertDecimalsSDK ¶

func ConvertDecimalsSDK(value sdkmath.Int, fromDecimals, toDecimals int) sdkmath.Int

ConvertDecimalsSDK truncates sdkmath.Int from `fromDecimals` to `toDecimals`

func DivideWithDecimals ¶ added in v0.0.6

func DivideWithDecimals(f float64, b *big.Int, decimals int) *big.Int

DivideWithDecimals divides a big.Int by a float64 considering the decimals and returns the result as a fixed-point big.Int with the specified decimals.

func FloatToFixedInt ¶ added in v0.0.6

func FloatToFixedInt(price float64, decimals int64) sdkmath.Int

FloatToQuantumPrice converts a floating point price to a quantum-adjusted fixed-point integer Example: floatToQuantumPrice(1.234567899, -9) returns sdkmath.NewInt(1234567899)

func FloatToLegacyDec ¶

func FloatToLegacyDec(value float64) sdkmath.LegacyDec

Convert float64 to sdkmath.LegacyDec

func FloatToQuantumPrice ¶

func FloatToQuantumPrice(price float64, quantumConversionExponent int64) sdkmath.Int

FloatToQuantumPrice converts a floating point price to a quantum-adjusted fixed-point integer Example: floatToQuantumPrice(1.234567899, -9) returns sdkmath.NewInt(1234567899)

func GenerateDeviation ¶

func GenerateDeviation(baseValue float64, rng *rand.Rand) int64

func Interpolate ¶ added in v0.0.6

func Interpolate(
	x, x1, y1, x2, y2 sdkmath.LegacyDec,
) sdkmath.LegacyDec

interpolate linearly interpolates between two points (x1,y1) and (x2,y2) to find the y-value corresponding to the provided x-value

func MultiplyWithDecimals ¶

func MultiplyWithDecimals(f float64, b *big.Int) *big.Int

MultiplyWithDecimals multiplies a float64 and a big.Int considering the decimals and returns the result as a fixed-point big.Int with the specified decimals.

func ParseCoinString ¶

func ParseCoinString(token string, denom string, decimals int) (*big.Float, error)

ParseCoinString converts a coin string to a big.Float value based on decimals

func RoundFixedPointInt ¶

func RoundFixedPointInt(value sdkmath.Int, roundTo uint64) sdkmath.Int

func RoundToNearestTickSpacing ¶

func RoundToNearestTickSpacing(value, r int64) (int64, error)

RoundToNearestTickSpacing rounds a value to the nearest multiple of r.

func SaturatingSub ¶

func SaturatingSub(minuend, subtrahend sdkmath.Int) sdkmath.Int

SaturatingSub subtracts `subtrahend` from `minuend`, but ensures the result is never negative.