utils

Mar 21, 2022

Changes in this version

+ const MaxTick

+ const MinTick

+ var ErrInvalidInput = errors.New("invalid input")

+ var ErrInvalidSqrtRatio = errors.New("invalid sqrt ratio")

+ var ErrInvalidTick = errors.New("invalid tick")

+ var ErrInvariant = errors.New("invariant violation")

+ var ErrLiquidityLessThanZero = errors.New("liquidity less than zero")

+ var ErrSqrtPriceLessThanZero = errors.New("sqrt price less than zero")

+ var MaxFee = new(big.Int).Exp(big.NewInt(10), big.NewInt(6), nil)

+ var MaxSqrtRatio = new(big.Int).SetString("1461446703485210103287273052203988822378723970342", 10)

+ var MaxUint160 = new(big.Int).Sub(new(big.Int).Exp(big.NewInt(2), big.NewInt(160), nil), constants.One)

+ var MinSqrtRatio = big.NewInt(4295128739)

+ var Q32 = big.NewInt(1 << 32)

+ func AddDelta(x, y *big.Int) *big.Int

+ func ComputePoolAddress(factoryAddress common.Address, tokenA *entities.Token, tokenB *entities.Token, ...) (common.Address, error)

+ func ComputeSwapStep(sqrtRatioCurrentX96, sqrtRatioTargetX96, liquidity, amountRemaining *big.Int, ...) (sqrtRatioNextX96, amountIn, amountOut, feeAmount *big.Int, err error)

+ func EncodeSqrtRatioX96(amount1 *big.Int, amount0 *big.Int) *big.Int

+ func GetAmount0Delta(sqrtRatioAX96, sqrtRatioBX96, liquidity *big.Int, roundUp bool) *big.Int

+ func GetAmount1Delta(sqrtRatioAX96, sqrtRatioBX96, liquidity *big.Int, roundUp bool) *big.Int

+ func GetNextSqrtPriceFromInput(sqrtPX96, liquidity, amountIn *big.Int, zeroForOne bool) (*big.Int, error)

+ func GetNextSqrtPriceFromOutput(sqrtPX96, liquidity, amountOut *big.Int, zeroForOne bool) (*big.Int, error)

+ func GetSqrtRatioAtTick(tick int) (*big.Int, error)

+ func GetTickAtSqrtRatio(sqrtRatioX96 *big.Int) (int, error)

+ func MaxLiquidityForAmounts(sqrtRatioCurrentX96 *big.Int, sqrtRatioAX96, sqrtRatioBX96 *big.Int, ...) *big.Int

+ func MostSignificantBit(x *big.Int) (int64, error)

+ func MulDivRoundingUp(a, b, denominator *big.Int) *big.Int

+ func PriceToClosestTick(price *entities.Price, baseToken, quoteToken *entities.Token) (int, error)

+ func TickToPrice(baseToken *entities.Token, quoteToken *entities.Token, tick int) (*entities.Price, error)

+ func ToHex(i *big.Int) string

+ type MethodParameters struct

+ Calldata []byte

+ Value *big.Int