Router

Warning:
AnpanSwap is based on Uniswap v2. Read the Uniswap v2 documentation.
For more in-depth information on the core contract logic, read the Uniswap v2 Core whitepaper.

Contract info

Contract name: AnpansRouter
Contract address: 0xe8d2c4ca811e0445B83326aBe85B7c40C66759eD

View AnpansRouter.sol on GitHub.

View the AnpanSwap: Router contract on BscScan.

Read functions

WETH

function WETH() external pure returns (address);

Returns the canonical address for Binance: WBNB token (WETH being a vestige from Ethereum network origins).

factory

function factory() external pure returns (address);

Returns the canonical address for AnpansFactory.

Warning:
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 getAmountsOut(uint amountIn, 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 BEP20⇄BEP20 pool.

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.
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

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

Adds liquidity to a BEP20⇄WBNB pool.

Name Type
addLiquidityETH uint The payable amount in BNB.
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).
amountETHMin uint The minimum amount of BNB 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 BEP20⇄BEP20 pool.

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.
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.

removeLiquidityETH

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

Removes liquidity from a BEP20⇄WBNB pool.

Name Type
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).
amountETHMin uint The minimum amount of BNB to remove (slippage impact).
to address Address of LP Token recipient.
deadline uint Unix timestamp deadline by which the transaction must confirm.

removeLiquidityETHSupportingFeeOnTransferTokens

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

Removes liquidity from a BEP20⇄WBNB for tokens that take a fee on transfer.

Name Type
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).
amountETHMin uint The minimum amount of BNB to remove (slippage impact).
to address Address of LP Token recipient.
deadline uint Unix timestamp deadline by which the transaction must confirm.

removeLiquidityETHWithPermit

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

Removes liquidity from a BEP20⇄WBNB and receives BNB, without pre-approval, via permit.

Name Type
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).
amountETHMin uint The minimum amount of BNB 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,
  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 BEP20⇄WBNB and receives BNB via permit for tokens that take a fee on transfer.

Name Type
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).
amountETHMin uint The minimum amount of BNB 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 BEP20⇄BEP20, without pre-approval, via permit.

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.
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 BNB 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.

swapETHForExactTokens

function swapETHForExactTokens(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 BNB as possible.

Name Type
swapETHForExactTokens uint Payable BNB 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.

swapExactETHForTokens

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

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

Name Type
swapExactETHForTokens uint Payable BNB 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.

swapExactETHForTokensSupportingFeeOnTransferTokens

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

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

Name Type
swapExactETHForTokensSupportingFeeOnTransferTokens uint Payable BNB 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.

swapExactTokensForETH

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

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

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

swapExactTokensForETHSupportingFeeOnTransferTokens

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

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

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

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

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

swapTokensForExactETH

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

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

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.
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
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

import '@uniswap/v2-core/contracts/interfaces/IAnpansRouter.sol';
pragma solidity >=0.6.2;

interface IAnpansRouter01 {
    function factory() external pure returns (address);
    function WETH() external pure returns (address);

    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 addLiquidityETH(
        address token,
        uint amountTokenDesired,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline
    ) external payable returns (uint amountToken, uint amountETH, 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 removeLiquidityETH(
        address token,
        uint liquidity,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline
    ) external returns (uint amountToken, uint amountETH);
    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 removeLiquidityETHWithPermit(
        address token,
        uint liquidity,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline,
        bool approveMax, uint8 v, bytes32 r, bytes32 s
    ) external returns (uint amountToken, uint amountETH);
    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 swapExactETHForTokens(uint amountOutMin, address[] calldata path, address to, uint deadline)
        external
        payable
        returns (uint[] memory amounts);
    function swapTokensForExactETH(uint amountOut, uint amountInMax, address[] calldata path, address to, uint deadline)
        external
        returns (uint[] memory amounts);
    function swapExactTokensForETH(uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline)
        external
        returns (uint[] memory amounts);
    function swapETHForExactTokens(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);
}

// File: contracts\interfaces\IAnpansRouter02.sol

pragma solidity >=0.6.2;

interface IAnpansRouter02 is IAnpansRouter01 {
    function removeLiquidityETHSupportingFeeOnTransferTokens(
        address token,
        uint liquidity,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline
    ) external returns (uint amountETH);
    function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens(
        address token,
        uint liquidity,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline,
        bool approveMax, uint8 v, bytes32 r, bytes32 s
    ) external returns (uint amountETH);

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

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