uniswap

package

v0.4.1 Latest Latest Go to latest Published: Sep 26, 2022 License: LGPL-2.1 Imports: 10 Imported by: 0

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Repository

github.com/ackermanx/ethclient

Links

Open Source Insights

Documentation ¶

Index ¶

Constants
Variables
func CalculatePoolAddress(tokenA, tokenB, factoryAddr common.Address, poolInitCodeStr string) (poolAddr common.Address, err error)
func CalculatePoolAddressV2(token0, token1 string) (pairAddress common.Address, err error)
func CalculatePoolAddressV3(tokenA, tokenB string, fee *big.Int) (poolAddress common.Address, err error)
func EncodePath(path []common.Address, fees []int) (encoded []byte, err error)
func MultiCall(client *ethclient.Client, methodName string, opts *bind.CallOpts, ...) (out []interface{}, err error)
func SqrtPriceX96ToPrice(sqrtPriceX96 *big.Int, zeroForOne bool) (price decimal.Decimal)
type Multicall2Call
type Multicall2Result

Constants ¶

View Source

const (
	FactoryAddrV3 = "0x1F98431c8aD98523631AE4a59f267346ea31F984"
	FactoryAddrV2 = "0x5c69bee701ef814a2b6a3edd4b1652cb9cc5aa6f"
)

View Source

const (
	MultiCallAddr    = "0x5ba1e12693dc8f9c48aad8770482f4739beed696"
	MultiFragmentAbi = `` /* 1297-byte string literal not displayed */
)

View Source

const (
	AddrSize = 20
	FeeSize  = 3
	Offset   = AddrSize + FeeSize
	DataSize = Offset + AddrSize
)

Variables ¶

View Source

var (
	Address, _ = abi.NewType("address", "", nil)
	Uint24, _  = abi.NewType("uint24", "", nil)

	PoolInitCodeV3, _ = hex.DecodeString("e34f199b19b2b4f47f68442619d555527d244f78a3297ea89325f843f87b8b54")
	PoolInitCodeV2, _ = hex.DecodeString("96e8ac4277198ff8b6f785478aa9a39f403cb768dd02cbee326c3e7da348845f")
)

View Source

var (
	X96 = decimal.NewFromInt(2).Pow(decimal.NewFromInt(96))
)

Functions ¶

func CalculatePoolAddress ¶ added in v0.4.0

func CalculatePoolAddress(tokenA, tokenB, factoryAddr common.Address, poolInitCodeStr string) (poolAddr common.Address, err error)

CalculatePoolAddress calculate uniswapV2 like pool address from token and pool address and pool init code

func CalculatePoolAddressV2 ¶

func CalculatePoolAddressV2(token0, token1 string) (pairAddress common.Address, err error)

CalculatePoolAddressV2 calculate uniswapV2 pool address offline from pool tokens

func CalculatePoolAddressV3 ¶

func CalculatePoolAddressV3(tokenA, tokenB string, fee *big.Int) (poolAddress common.Address, err error)

CalculatePoolAddressV3 calculate uniswapV3 pool address offline from pool tokens and fee

func EncodePath ¶

func EncodePath(path []common.Address, fees []int) (encoded []byte, err error)

EncodePath encode path to bytes

func MultiCall ¶

func MultiCall(client *ethclient.Client, methodName string, opts *bind.CallOpts, multiCallParam []Multicall2Call) (out []interface{}, err error)

func SqrtPriceX96ToPrice ¶

func SqrtPriceX96ToPrice(sqrtPriceX96 *big.Int, zeroForOne bool) (price decimal.Decimal)

SqrtPriceX96ToPrice convert uniswap v3 sqrt price in x96 format to decimal.Decimal zeroForOne true: price = token0/token1 false: price = token1/token0

Types ¶

type Multicall2Call ¶

type Multicall2Call struct {
	Target   common.Address
	CallData []byte
}

type Multicall2Result ¶

type Multicall2Result struct {
	Success    bool
	ReturnData *big.Int
}

Source Files ¶

View all Source files

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