order

package

v0.0.0-...-24518c4 Latest Latest Go to latest Published: Jan 20, 2022 License: AGPL-3.0 Imports: 19 Imported by: 0

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Repository

github.com/evris99/dex-limit-order

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Open Source Insights

Documentation ¶

Index ¶

Constants
Variables
type Order
type Router
type Token
type Type
- func (t Type) MarshalJSON() ([]byte, error)
- func (t *Type) UnmarshalJSON(b []byte) error

Constants ¶

View Source

const (
	// The interval to check the price in Milliseconds
	CheckIntervalMil time.Duration = 500
	// The deadline for completing the swap in Minutes
	SwapDeadlineMin  time.Duration = 20
	PriceChannelSize int           = 100
)

Variables ¶

View Source

var (
	ErrConv        = errors.New("could not convert amount to big int")
	ErrInvalidType = errors.New("invalid type value")
	ErrCanContinue = errors.New("can continue execution")
)

Functions ¶

This section is empty.

Types ¶

type Order ¶

type Order struct {
	ID           uint     `json:"id"`
	Type         Type     `json:"type"`
	Path         []string `json:"path"`
	SellAmount   string   `json:"sell_amount"`
	BuyAmount    string   `json:"buy_amount"`
	Slippage     float64  `json:"slippage"`
	GasPriceMult float64  `json:"gas_price_multiplier"`
	GasLimit     uint64   `json:"gas_limit"`
	UserID       uint
	// contains filtered or unexported fields
}

func (*Order) Approve ¶

func (o *Order) Approve(c *blockclient.Client, wallet *wallet.Wallet, ammount *big.Int) (*types.Receipt, error)

Executes the approve transaction if not already approved Returns the transaction or nil if the token is already approved

func (*Order) ApproveAmount ¶

func (o *Order) ApproveAmount(c *blockclient.Client, wallet *wallet.Wallet) (*types.Receipt, error)

Executes the approve transaction with the exact order sell amount

func (*Order) ApproveMax ¶

func (o *Order) ApproveMax(c *blockclient.Client, wallet *wallet.Wallet) (*types.Receipt, error)

Executes the approve transaction with the maximum amount

func (*Order) CompAndSwap ¶

func (o *Order) CompAndSwap(c *blockclient.Client, wallet *wallet.Wallet, amount *big.Int) (*types.Receipt, error)

Compares the given amount with the wanted amount and returns the transaction or nil if no transaction has been made

func (*Order) GetAddreses ¶

func (o *Order) GetAddreses() []common.Address

Returns the addresses of the path

func (*Order) GetBuyAmount ¶

func (o *Order) GetBuyAmount() (*big.Int, error)

Calls get amounts out contract and returns the buy amount

func (*Order) GetBuyToken ¶

func (o *Order) GetBuyToken() *Token

Returns the address of the token which will be bought

func (*Order) GetPriceStream ¶

func (o *Order) GetPriceStream(c bind.ContractBackend, done <-chan bool) (chan *big.Int, chan error)

Returns a price channel for receiving a stream of prices and a channel for error. Stops only when it receives from the done channel

func (*Order) GetSellToken ¶

func (o *Order) GetSellToken() *Token

Returns the address of the token which will be sold

func (*Order) Init ¶

func (o *Order) Init(client bind.ContractBackend, routerHex string, chainID int64) error

Initializes the Order

func (*Order) Swap ¶

func (o *Order) Swap(c *blockclient.Client, wallet *wallet.Wallet, amountOut *big.Int) (*types.Receipt, error)

Executes the swap transaction

type Router ¶

type Router struct {
	Address  common.Address
	Instance *router.Router
}

type Token ¶

type Token struct {
	Address  common.Address
	Decimals *big.Int
	Amount   *big.Int
	Instance *bep20_token.Bep20Token
}

type Type ¶

type Type int

const (
	Limit Type = iota
	StopLimit
)

func (Type) MarshalJSON ¶

func (t Type) MarshalJSON() ([]byte, error)

Custom json unmarshal for Type

func (*Type) UnmarshalJSON ¶

func (t *Type) UnmarshalJSON(b []byte) error

Custom json unmarshal for Type

Source Files ¶

View all Source files

order.go

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