QilinV2Pool

QILINV2POOL

Managing liquidity pools, LP tokens, positions

addLiquidity

Add liquidity to a trading pool to obtain corresponding LP tokens

function addLiquidity(
    address user,
    uint256 amount
) external;

parameters：

name	type	description
user	address	Address of whom actually adds liquidity, since Qilin's trading pool is called by Router, the actually signer address cannot be obtained through msg.sender
amount	uint256	Amount of added liquidity (measured in pool tokens)

removeLiquidity

Remove the liquidity in a trading pool, destroy the corresponding LP token, and obtain the pool tokens

function removeLiquidity(
    address user,
    uint256 lsAmount, 
    uint256 bondsAmount, 
    address receipt
) external;

parameters：

name	type	description
user	address	Address of whom actually removes liquidity
lsAmount	uint256	Amount of removed liquidity (measured in ls tokens)
bondsAmount	uint256	The amount of bond tokens used to offset debt when removing liquidity
receipt	address	Receiver address after removing liquidity

openPosition

Open a position based on a certain trading pool

function openPosition(
    address user,
    uint8 direction,
    uint16 leverage,
    uint256 position
) external returns (uint32);

parameters：

name	type	description
user	address	Actual trading address
direction	uint8	Trading direction，1: buy long，2: buy short
leverage	uint16	Leverage
position	uint256	Initial margin size of position

returns:

name	type	description
positionId	uint32	Position ID

addMargin

Add margin to a specified position

function addMargin(
    address user,
    uint32 positionId,
    uint256 margin
) external;

parameters：

name	type	description
user	address	The address where the margin is actually added
positionId	uint32	Position ID
margin	uint256	Amount of margin added

closePosition

Close position, only when the remaining margin of the position is not lower than the margin*margin rate, the position can be closed

function closePosition(
    address receipt,
    uint32 positionId
) external;

parameters：

name	type	description
receipt	address	Address to receive tokens
positionId	uint32	Position ID

liquidate

Liquidation, when the remaining margin of the position is lower than the margin * margin rate, you can use this interface to liquidate

function liquidate(
    address user,
    uint32 positionId,
    address receipt
) external;

parameters：

name	type	description
user	address	The address where the position is actually liquidated
positionId	uint32	Position ID
receipt	address	Address to receive tokens