Router Contract

Read Functions

factory

function factory() external pure returns (address);

Returns the canonical address for Factory.

getAmountOut

function getAmountOut(
        uint amountIn,
        uint reserveIn,
        uint reserveOut,
        uint24 fee
    ) public pure virtual override returns (uint amountOut)

getAmountIn

function getAmountIn(
        uint amountOut,
        uint reserveIn,
        uint reserveOut,
        uint24 fee
    ) public pure virtual override returns (uint amountIn)

getAmountsOut

function getAmountsOut(
        uint amountIn,
        address[] memory path,
        uint24[] memory fees
    ) public view virtual override returns (uint[] memory amounts) 

getAmountsIn

function getAmountsIn(
        uint amountOut,
        address[] memory path,
        uint24[] memory fees
    ) public view virtual override returns (uint[] memory amounts) 

quote

function quote(
        uint amountA, 
        uint reserveA, 
        uint reserveB
    ) internal pure returns (uint amountB);

---

Write functions

addLiquidity

Adds liquidity to a ERC20 ⇄ ERC20 pool

function addLiquidity(
    address tokenA,
    address tokenB,
    uint24 fee,
    uint amountADesired,
    uint amountBDesired,
    uint amountAMin,
    uint amountBMin,
    address to,
    uint deadline
) external returns (uint amountA, uint amountB, uint liquidity);

tokenA	address	The contract address of one token from your liquidity pair.
tokenB	address	The contract address of the other token from your liquidity pair.
fee	uint24	Transaction fee, optional values: 50(0.5%), 100(1%), 200(2%), 300(3%)
amountADesired	uint	The amount of tokenA you'd like to provide as liquidity.
amountBDesired	uint	The amount of tokenA you'd like to provide as liquidity.
amountAMin	uint	The minimum amount of tokenA to provide (slippage impact).
amountBMin	uint	The minimum amount of tokenB to provide (slippage impact).
to	address	Address of LP Token recipient.
deadline	uint	Unix timestamp deadline by which the transaction must confirm.

addLiquidityETH

Adds liquidity to a ERC20⇄WJU pool.

function addLiquidityETH(
    address token,
    uint24 fee,
    uint amountTokenDesired,
    uint amountTokenMin,
    uint amountETHMin,
    address to,
    uint deadline
) external payable returns (uint amountToken, uint amountETH, uint liquidity);

Name	Type
addLiquidityETH	uint	The payable amount in JU.
token	address	The contract address of the token to add liquidity.
fee	uint24	Transaction fee, optional values: 50(0.5%), 100(1%), 200(2%), 300(3%)
amountTokenDesired	uint	The amount of the token you'd like to provide as liquidity.
amountTokenMin	uint	The minimum amount of the token to provide (slippage impact).
amountETHMin	uint	The minimum amount of JU to provide (slippage impact).
to	address	Address of LP Token recipient.
deadline	uint	Unix timestamp deadline by which the transaction must confirm.

removeLiquidity

Removes liquidity from a ERC20⇄ERC20 pool.

function removeLiquidity(
    address tokenA,
    address tokenB,
    uint24 fee,
    uint liquidity,
    uint amountAMin,
    uint amountBMin,
    address to,
    uint deadline
) external returns (uint amountA, uint amountB);

tokenA	address	The contract address of one token from your liquidity pair.
tokenB	address	The contract address of the other token from your liquidity pair.
fee	uint24	Transaction fee, optional values: 50(0.5%), 100(1%), 200(2%), 300(3%)
liquidity	uint	The amount of LP Tokens to remove.
amountAMin	uint	The minimum amount of the token to remove (slippage impact).
amountBMin	uint	The minimum amount of JU to remove (slippage impact).
to	address	Address of LP Token recipient.
deadline	uint	Unix timestamp deadline by which the transaction must confirm.

removeLiquidityETH

Removes liquidity from a ERC20⇄WJU pool.

function removeLiquidityETH(
    address token,
    uint24 fee,
    uint liquidity,
    uint amountTokenMin,
    uint amountETHMin,
    address to,
    uint deadline
) external returns (uint amountToken, uint amountETH);

Name	Type
token	address	The contract address of the token to remove liquidity.
fee	uint24	Transaction fee, optional values: 50(0.5%), 100(1%), 200(2%), 300(3%)
liquidity	uint	The amount of LP Tokens to remove.
amountTokenMin	uint	The minimum amount of the token to remove (slippage impact).
amountETHMin	uint	The minimum amount of JU to remove (slippage impact).
to	address	Address of LP Token recipient.
deadline	uint	Unix timestamp deadline by which the transaction must confirm.

removeLiquidityETHSupportingFeeOnTransferTokens

Removes liquidity from a ERC20⇄WJU for tokens that take a fee on transfer.

function removeLiquidityETHSupportingFeeOnTransferTokens(
    address token, 
    uint24 fee, 
    uint liquidity,  
    uint amountTokenMin,  
    uint amountETHMin,  
    address to,  
    uint deadline
) external returns (uint amountETH);

Name	Type
token	address	The contract address of the token to remove liquidity.
fee	uint24	Transaction fee, optional values: 50(0.5%), 100(1%), 200(2%), 300(3%)
liquidity	uint	The amount of LP Tokens to remove.
amountTokenMin	uint	The minimum amount of the token to remove (slippage impact).
amountETHMin	uint	The minimum amount of JU to remove (slippage impact).
to	address	Address of LP Token recipient.
deadline	uint	Unix timestamp deadline by which the transaction must confirm.

removeLiquidityETHWithPermit

Removes liquidity from a ERC20⇄WJU and receives JU, without pre-approval, via permit.

function removeLiquidityETHWithPermit(  
    address token,  
    uint24 fee,
    uint liquidity,  
    uint amountTokenMin,  
    uint amountETHMin,  
    address to,  
    uint deadline,  
    bool approveMax, 
    uint8 v, 
    bytes32 r, 
    bytes32 s
) external returns (uint amountToken, uint amountETH);

Name	Type
token	address	The contract address of the token to remove liquidity.
fee	uint24	Transaction fee, optional values: 50(0.5%), 100(1%), 200(2%), 300(3%)
liquidity	uint	The amount of LP Tokens to remove.
amountTokenMin	uint	The minimum amount of the token to remove (slippage impact).
amountETHMin	uint	The minimum amount of JU to remove (slippage impact).
to	address	Address of LP Token recipient.
deadline	uint	Unix timestamp deadline by which the transaction must confirm.
approveMax	bool	Whether or not the approval amount in the signature is for liquidity or uint(-1).
v	uint8	The v component of the permit signature.
r	bytes32	The r component of the permit signature.
s	bytes32	The s component of the permit signature.

removeLiquidityETHWithPermitSupportingFeeOnTransferTokens

function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens(  
    address token, 
    uint24 fee, 
    uint liquidity,  
    uint amountTokenMin,  
    uint amountETHMin,  
    address to,  
    uint deadline,  
    bool approveMax, 
    uint8 v, 
    bytes32 r, 
    bytes32 s
) external returns (uint amountETH);

Removes liquidity from a ERC20⇄WJU and receives JU via permit for tokens that take a fee on transfer.

Name	Type
token	address	The contract address of the token to remove liquidity.
fee	uint24	Transaction fee, optional values: 50(0.5%), 100(1%), 200(2%), 300(3%)
liquidity	uint	The amount of LP Tokens to remove.
amountTokenMin	uint	The minimum amount of the token to remove (slippage impact).
amountETHMin	uint	The minimum amount of JU to remove (slippage impact).
to	address	Address of LP Token recipient.
deadline	uint	Unix timestamp deadline by which the transaction must confirm.
approveMax	bool	Whether or not the approval amount in the signature is for liquidity or uint(-1).
v	uint8	The v component of the permit signature.
r	bytes32	The r component of the permit signature.
s	bytes32	The s component of the permit signature.

removeLiquidityWithPermit

Removes liquidity from a ERC20⇄ERC20, without pre-approval, via permit.

function removeLiquidityWithPermit(  
    address tokenA,  
    address tokenB,  
    uint liquidity,  
    uint amountAMin,  
    uint amountBMin,  
    address to,  
    uint deadline,  
    bool approveMax, 
    uint8 v, 
    bytes32 r, 
    bytes32 s
) external returns (uint amountA, uint amountB);

Name	Type
tokenA	address	The contract address of one token from your liquidity pair.
tokenB	address	The contract address of the other token from your liquidity pair.
fee	uint24	Transaction fee, optional values: 50(0.5%), 100(1%), 200(2%), 300(3%)
liquidity	uint	The amount of LP Tokens to remove.
amountTokenMin	uint	The minimum amount of the token to remove (slippage impact).
amountETHMin	uint	The minimum amount of JU to remove (slippage impact).
to	address	Address of LP Token recipient.
deadline	uint	Unix timestamp deadline by which the transaction must confirm.
approveMax	bool	Whether or not the approval amount in the signature is for liquidity or uint(-1).
v	uint8	The v component of the permit signature.
r	bytes32	The r component of the permit signature.
s	bytes32	The s component of the permit signature.

swapExactTokensForTokens

Receive as many output tokens as possible for an exact amount of input tokens.

function swapExactTokensForTokens(
    uint amountIn,
    uint amountOutMin,
    address[] calldata path,
    uint24[] calldata fees,
    address to,
    address referrer,
    uint deadline
) external returns (uint[] memory amounts);

Name	Type
amountIn	uint	Payable amount of input tokens.
amountOutMin	uint	The minimum amount tokens to receive.
path (address[])	address	An array of token addresses. path.length must be >= 2. Pools for each consecutive pair of addresses must exist and have liquidity.
fees	uint24	Transaction fee, optional values: 50(0.5%), 100(1%), 200(2%), 300(3%)
to	address	Address of recipient.
referrer	address	The previous level inviter of the transaction address.
deadline	uint	Unix timestamp deadline by which the transaction must confirm.

swapTokensForExactTokens

Receive an exact amount of output tokens for as few input tokens as possible.

function swapTokensForExactTokens(
    uint amountOut,
    uint amountInMax,
    address[] calldata path,
    uint24[] calldata fees,
    address to,
    address referrer,
    uint deadline
) external returns (uint[] memory amounts);

Name	Type
amountOut	uint	Payable amount of input tokens.
amountInMax	uint	The maximum amount tokens to input.
path (address[])	address	An array of token addresses. path.length must be >= 2. Pools for each consecutive pair of addresses must exist and have liquidity.
fees	uint	Transaction fee, optional values: 50(0.5%), 100(1%), 200(2%), 300(3%)
to	address	Address of recipient.
referrer	address	The previous level inviter of the transaction address.
deadline	uint	Unix timestamp deadline by which the transaction must confirm.

swapExactTokensForTokensSupportingFeeOnTransferTokens

Receive as many output tokens as possible for an exact amount of input tokens. Supports tokens that take a fee on transfer.

function swapExactTokensForTokensSupportingFeeOnTransferTokens(  
    uint amountIn,  
    uint amountOutMin,  
    address[] calldata path,  
    uint24[] calldata fees,
    address to,
    address referrer,  
    uint deadline
) external;

Name	Type
amountIn	uint	Payable amount of input tokens.
amountOutMin	uint	The minimum amount tokens to receive.
path (address[])	address	An array of token addresses. path.length must be >= 2. Pools for each consecutive pair of addresses must exist and have liquidity.
fees	uint24	Transaction fee, optional values: 50(0.5%), 100(1%), 200(2%), 300(3%)
to	address	Address of recipient.
referrer	address	The previous level inviter of the transaction address.
deadline	uint	Unix timestamp deadline by which the transaction must confirm.

swapExactETHForTokens

Receive as many output tokens as possible for an exact amount of JU.

function swapExactETHForTokens(
    uint amountOutMin,
    address[] calldata path,
    uint24[] calldata fees,
    address to,
    address referrer,
    uint deadline
) external payable returns (uint[] memory amounts);

Name	Type
swapExactETHForTokens	uint	Payable JU amount.
amountOutMin	uint	The minimum amount tokens to receive.
path (address[])	address	An array of token addresses. path.length must be >= 2. Pools for each consecutive pair of addresses must exist and have liquidity.
fees	uint24	Transaction fee, optional values: 50(0.5%), 100(1%), 200(2%), 300(3%)
to	address	Address of recipient.
referrer	address	The previous level inviter of the transaction address.
deadline	uint	Unix timestamp deadline by which the transaction must confirm.

swapETHForExactTokens

Receive an exact amount of output tokens for as little JU as possible.

function swapETHForExactTokens(
    uint amountOut,
    address[] calldata path,
    uint24[] calldata fees,
    address to,
    address referrer,
    uint deadline
) external payable returns (uint[] memory amounts);

Name	Type
swapETHForExactTokens	uint	Payable JU amount.
amountOut	uint	The amount tokens to receive.
path (address[])	address	An array of token addresses. path.length must be >= 2. Pools for each consecutive pair of addresses must exist and have liquidity.
fees	uint24	Transaction fee, optional values: 50(0.5%), 100(1%), 200(2%), 300(3%)
to	address	Address of recipient.
referrer	address	The previous level inviter of the transaction address.
deadline	uint	Unix timestamp deadline by which the transaction must confirm.

swapExactTokensForETH

Receive as much JU as possible for an exact amount of input tokens.

function swapExactTokensForETH(
    uint amountIn,
    uint amountOutMin,
    address[] calldata path,
    uint24[] calldata fees,
    address to,
    address referrer,
    uint deadline
) external returns (uint[] memory amounts);

Name	Type
amountIn	uint	Payable amount of input tokens.
amountOutMin	uint	The minimum amount tokens to receive.
path (address[])	address	An array of token addresses. path.length must be >= 2. Pools for each consecutive pair of addresses must exist and have liquidity.
fees	uint24	Transaction fee, optional values: 50(0.5%), 100(1%), 200(2%), 300(3%)
to	address	Address of recipient.
referrer	address	The previous level inviter of the transaction address.
deadline	uint	Unix timestamp deadline by which the transaction must confirm.

swapTokensForExactETH

Receive an exact amount of JU for as few input tokens as possible.

function swapTokensForExactETH(
    uint amountOut,
    uint amountInMax,
    address[] calldata path,
    uint24[] calldata fees,
    address to,
    address referrer,
    uint deadline
) external returns (uint[] memory amounts);

Name	Type
amountOut	uint	Payable amount of input tokens.
amountInMax	uint	The minimum amount tokens to input.
path (address[])	address	An array of token addresses. path.length must be >= 2. Pools for each consecutive pair of addresses must exist and have liquidity.
fees	uint24	Transaction fee, optional values: 50(0.5%), 100(1%), 200(2%), 300(3%)
to	address	Address of recipient.
referrer	address	The previous level inviter of the transaction address.
deadline	uint	Unix timestamp deadline by which the transaction must confirm.

swapExactETHForTokensSupportingFeeOnTransferTokens

Receive as many output tokens as possible for an exact amount of JU. Supports tokens that take a fee on transfer.

function swapExactETHForTokensSupportingFeeOnTransferTokens(  
    uint amountOutMin,  
    address[] calldata path,
    uint24[] calldata fees,  
    address to,  
    address referrer,
    uint deadline
) external payable;

Name	Type
swapExactETHForTokensSupportingFeeOnTransferTokens	uint	Payable JU amount.
amountOutMin	uint	The minimum amount tokens to receive.
path (address[])	address	An array of token addresses. path.length must be >= 2. Pools for each consecutive pair of addresses must exist and have liquidity.
fees	uint24	Transaction fee, optional values: 50(0.5%), 100(1%), 200(2%), 300(3%)
to	address	Address of recipient.
referrer	address	The previous level inviter of the transaction address.
deadline	uint	Unix timestamp deadline by which the transaction must confirm.