Router#

Contract info#

Contract name: SwapRouter View on github:SwapRouter.sol on GitHub.
Contract address: 0xc97b81B8a38b9146010Df85f1Ac714aFE1554343 View on Oklink: Router contract on OkLink.

Read functions#

WOKT#

function WOKT() external pure returns (address); Returns the canonical address for OKX: WOKT Token.

factory#

function factory() external pure returns (address); Returns the canonical address for SwapFactory. For explanations of the following, view the Uniswap v2 Internal Functions documentation.

getAmountOut#

function getAmountOut(uint amountIn, uint reserveIn, uint reserveOut) internal pure returns (uint amountOut);

getAmountIn#

function getAmountIn(uint amountOut, uint reserveIn, uint reserveOut) internal pure returns (uint amountIn);

getAmountsOut#

function getAmountsOut(uint amountIn, address[] memory path) internal view returns (uint[] memory amounts);

getAmountsIn#

function getAmountsIn(uint amountOut, address[] memory path) internal view returns (uint[] memory amounts);

quote#

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

Write functions#

addLiquidity#

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

Adds liquidity to a KIP20⇄KIP20 pool.

Name	Type	Text
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.
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.

addLiquidityOKT#

function addLiquidityOKT(
  address token,
  uint amountTokenDesired,
  uint amountTokenMin,
  uint amountOKTMin,
  address to,
  uint deadline
) external payable returns (uint amountToken, uint amountOKT, uint liquidity);

Adds liquidity to a KIP20⇄WOKT pool.

Name	Type	Text
addLiquidityOKT	uint	The payable amount in OKT.
token	address	The contract address of the token to add liquidity.
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).
amountOKTMin	uint	The minimum amount of OKT to provide (slippage impact).
to	address	Address of LP token recipient.
deadline	uint	Unix timestamp deadline by which the transaction must confirm.

removeLiquidity#

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

Removes liquidity from a KIP20⇄KIP20 pool.

Name	Type	Text
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.
liquidity	uint	The amount of LP Tokens to remove.
amountAMin	uint	The minimum amount of tokenA to remove (slippage impact).
amountBMin	uint	The minimum amount of tokenB to remove (slippage impact).
to	address	Address of LP token recipient.
deadline	uint	Unix timestamp deadline by which the transaction must confirm.

removeLiquidityOKT#

function removeLiquidityOKT(
  address token,
  uint liquidity,
  uint amountTokenMin,
  uint amountOKTMin,
  address to,
  uint deadline
) external returns (uint amountToken, uint amountOKT);

Removes liquidity from a KIP20⇄WOKT pool.

Name	Type	Text
token	address	The contract address of the token to remove liquidity.
liquidity	uint	The amount of LP Tokens to remove.
amountTokenMin	uint	The minimum amount of the token to remove (slippage impact).
amountOKTMin	uint	The minimum amount of OKT to remove (slippage impact).
to	address	Address of LP Token recipient.
deadline	uint	Unix timestamp deadline by which the transaction must confirm.

removeLiquidityOKTSupportingFeeOnTransferTokens#

function removeLiquidityOKTSupportingFeeOnTransferTokens(
  address token,
  uint liquidity,
  uint amountTokenMin,
  uint amountOKTMin,
  address to,
  uint deadline
) external returns (uint amountOKT);

Removes liquidity from a KIP20⇄WOKT for tokens that take a fee on transfer.

Name	Type	Text
token	address	The contract address of the token to remove liquidity.
liquidity	uint	The amount of LP Tokens to remove.
amountTokenMin	uint	The minimum amount of the token to remove (slippage impact).
amountOKTMin	uint	The minimum amount of OKT to remove (slippage impact).
to	address	Address of LP Token recipient.
deadline	uint	Unix timestamp deadline by which the transaction must confirm.

removeLiquidityOKTWithPermit#

function removeLiquidityOKTWithPermit(
  address token,
  uint liquidity,
  uint amountTokenMin,
  uint amountOKTMin,
  address to,
  uint deadline,
  bool approveMax, uint8 v, bytes32 r, bytes32 s
) external returns (uint amountToken, uint amountOKT);

Removes liquidity from a KIP20⇄WOKT and receives OKT, without pre-approval, via permit.

Name	Type	Text
token	address	The contract address of the token to remove liquidity.
liquidity	uint	The amount of LP Tokens to remove.
amountTokenMin	uint	The minimum amount of the token to remove (slippage impact).
amountOKTMin	uint	The minimum amount of OKT 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.

removeLiquidityOKTWithPermitSupportingFeeOnTransferTokens#

function removeLiquidityOKTWithPermitSupportingFeeOnTransferTokens(
  address token,
  uint liquidity,
  uint amountTokenMin,
  uint amountOKTMin,
  address to,
  uint deadline,
  bool approveMax, uint8 v, bytes32 r, bytes32 s
) external returns (uint amountOKT);

Removes liquidity from a KIP20⇄WOKT and receives OKT via permit for tokens that take a fee on transfer.

Name	Type	Text
token	address	The contract address of the token to remove liquidity.
liquidity	uint	The amount of LP Tokens to remove.
amountTokenMin	uint	The minimum amount of the token to remove (slippage impact).
amountOKTMin	uint	The minimum amount of OKT 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#

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);

Removes liquidity from a KIP20⇄KIP20, without pre-approval, via permit.

Name	Type	Text
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.
liquidity	uint	The amount of LP Tokens to remove.
amountTokenMin	uint	The minimum amount of the token to remove (slippage impact).
amountOKTMin	uint	The minimum amount of OKT 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.

swapOKTForExactTokens#

function swapOKTForExactTokens(uint amountOut, address[] calldata path, address to, uint deadline)
  external
  payable
  returns (uint[] memory amounts);

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

Name	Type	Text
swapOKTForExactTokens	uint	Payable OKT 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.
to	address	Address of recipient.
deadline	uint	Unix timestamp deadline by which the transaction must confirm.

swapExactOKTForTokens#

function swapExactOKTForTokens(uint amountOutMin, address[] calldata path, address to, uint deadline)
  external
  payable
  returns (uint[] memory amounts);

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

Name	Type	Text
swapExactOKTForTokens	uint	Payable OKT 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.
to	address	Address of recipient.
deadline	uint	Unix timestamp deadline by which the transaction must confirm.

swapExactOKTForTokensSupportingFeeOnTransferTokens#

function swapExactOKTForTokensSupportingFeeOnTransferTokens(
  uint amountOutMin,
  address[] calldata path,
  address to,
  uint deadline
) external payable;

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

Name	Type	Text
swapExactOKTForTokensSupportingFeeOnTransferTokens	uint	Payable OKT 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.
to	address	Address of recipient.
deadline	uint	Unix timestamp deadline by which the transaction must confirm.

swapExactTokensForOKT#

function swapExactTokensForOKT(uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline)
  external
  returns (uint[] memory amounts);

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

Name	Type	Text
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.
to	address	Address of recipient.
deadline	uint	Unix timestamp deadline by which the transaction must confirm.

swapExactTokensForOKTSupportingFeeOnTransferTokens#

function swapExactTokensForOKTSupportingFeeOnTransferTokens(
  uint amountIn,
  uint amountOutMin,
  address[] calldata path,
  address to,
  uint deadline
) external;

Receive as much OKT as possible for an exact amount of tokens. Supports tokens that take a fee on transfer.

Name	Type	Text
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.
to	address	Address of recipient.
deadline	uint	Unix timestamp deadline by which the transaction must confirm.

swapExactTokensForTokens#

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

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

Name	Type	Text
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.
to	address	Address of recipient.
deadline	uint	Unix timestamp deadline by which the transaction must confirm.

swapExactTokensForTokensSupportingFeeOnTransferTokens#

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

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

Name	Type	Text
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.
to	address	Address of recipient.
deadline	uint	Unix timestamp deadline by which the transaction must confirm.

swapTokensForExactOKT#

function swapTokensForExactOKT(uint amountOut, uint amountInMax, address[] calldata path, address to, uint deadline)
  external
  returns (uint[] memory amounts);

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

Name	Type	Text
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.
to	address	Address of recipient.
deadline	uint	Unix timestamp deadline by which the transaction must confirm.

swapTokensForExactTokens#

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

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

Name	Type	Text
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.
to	address	Address of recipient.
deadline	uint	Unix timestamp deadline by which the transaction must confirm.

Interface#

// SPDX-License-Identifier: MIT
pragma solidity =0.6.12;

interface IOKCSwapRouter01 {
    function factory() external pure returns (address);
    function WOKT() external pure returns (address);
    function pairCodeHash() external pure returns (bytes32);

    function addLiquidity(
        address tokenA,
        address tokenB,
        uint amountADesired,
        uint amountBDesired,
        uint amountAMin,
        uint amountBMin,
        address to,
        uint deadline
    ) external returns (uint amountA, uint amountB, uint liquidity);
    function addLiquidityOKT(
        address token,
        uint amountTokenDesired,
        uint amountTokenMin,
        uint amountOKTMin,
        address to,
        uint deadline
    ) external payable returns (uint amountToken, uint amountOKT, uint liquidity);
    function removeLiquidity(
        address tokenA,
        address tokenB,
        uint liquidity,
        uint amountAMin,
        uint amountBMin,
        address to,
        uint deadline
    ) external returns (uint amountA, uint amountB);
    function removeLiquidityOKT(
        address token,
        uint liquidity,
        uint amountTokenMin,
        uint amountOKTMin,
        address to,
        uint deadline
    ) external returns (uint amountToken, uint amountOKT);
    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);
    function removeLiquidityOKTWithPermit(
        address token,
        uint liquidity,
        uint amountTokenMin,
        uint amountOKTMin,
        address to,
        uint deadline,
        bool approveMax, uint8 v, bytes32 r, bytes32 s
    ) external returns (uint amountToken, uint amountOKT);
    function swapExactTokensForTokens(
        uint amountIn,
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external returns (uint[] memory amounts);
    function swapTokensForExactTokens(
        uint amountOut,
        uint amountInMax,
        address[] calldata path,
        address to,
        uint deadline
    ) external returns (uint[] memory amounts);
    function swapExactOKTForTokens(uint amountOutMin, address[] calldata path, address to, uint deadline)
        external
        payable
        returns (uint[] memory amounts);
    function swapTokensForExactOKT(uint amountOut, uint amountInMax, address[] calldata path, address to, uint deadline)
        external
        returns (uint[] memory amounts);
    function swapExactTokensForOKT(uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline)
        external
        returns (uint[] memory amounts);
    function swapOKTForExactTokens(uint amountOut, address[] calldata path, address to, uint deadline)
        external
        payable
        returns (uint[] memory amounts);

    function quote(uint amountA, uint reserveA, uint reserveB) external pure returns (uint amountB);
    function getAmountOut(uint amountIn, uint reserveIn, uint reserveOut) external pure returns (uint amountOut);
    function getAmountIn(uint amountOut, uint reserveIn, uint reserveOut) external pure returns (uint amountIn);
    function getAmountsOut(uint amountIn, address[] calldata path) external view returns (uint[] memory amounts);
    function getAmountsIn(uint amountOut, address[] calldata path) external view returns (uint[] memory amounts);
}

// SPDX-License-Identifier: MIT
pragma solidity =0.6.12;

import './IOKCSwapRouter01.sol';

interface IOKCSwapRouter02 is IOKCSwapRouter01 {
    function removeLiquidityOKTSupportingFeeOnTransferTokens(
        address token,
        uint liquidity,
        uint amountTokenMin,
        uint amountOKTMin,
        address to,
        uint deadline
    ) external returns (uint amountOKT);
    function removeLiquidityOKTWithPermitSupportingFeeOnTransferTokens(
        address token,
        uint liquidity,
        uint amountTokenMin,
        uint amountOKTMin,
        address to,
        uint deadline,
        bool approveMax, uint8 v, bytes32 r, bytes32 s
    ) external returns (uint amountOKT);

    function swapExactTokensForTokensSupportingFeeOnTransferTokens(
        uint amountIn,
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external;
    function swapExactOKTForTokensSupportingFeeOnTransferTokens(
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external payable;
    function swapExactTokensForOKTSupportingFeeOnTransferTokens(
        uint amountIn,
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external;
}

Factory

OKTC price feeds