UniversalRouter

 This contract is KLAYswap router using V2 and V3 pools. This contract can aggregate trades across V2 and V3 pools to give users access highly-flexible and personalised transactions. 
Code
Github Link: (Will be updated after official launch)

Address
Cypress : 0xe0fbB27D0E7F3a397A67a9d4864D4f4DD7cF8cB9​
Events, Read-Only Functions, and State-Changing Functions
Parameter Structs
Read-Only Functions
State-Changing Functions
Parameter Structs
SwapParams
struct SwapParams {
    address to;
    address[] path;
    address[] pool;
    uint deadline;
}
Parameters:
Name
Type
Description
to
address
Address to receive tokens after swap
path
address[]
Swap paths (token address list)
pool
address[]
Pool paths in swap (list of pool addresses) 
When using v2 pool: address(0) 
When using v3 pool: v3 pool address
deadline
uint256
deadline
Read-Only Functions
getAmountsOut
function getAmountsOut(
    uint256 amountIn, 
    address[] memory path, 
    address[] memory pool
) public view returns (
    uint256[] memory amounts
)
Parameters:
Name
Type
Description
amountIn
uint256
The amount of first token required to be paid
path
address[]
The path of the swap (list of token addresses)
pool
address[]
The pool path of the swap (list of pool addresses)
When using v2 pool : address(0)
When using v3 pool : address of v3 pool
Return Values:
Name
Type
Description
amounts
uint256[]
The input token amount and all subsequent output token amounts.
​
getAmountsIn
function getAmountsIn(
    uint256 amountOut, 
    address[] memory path, 
    address[] memory pool
) public view returns (
    uint256[] memory amounts
)
Parameters:
Name
Type
Description
amountOut
uint256
The amount of the last token that would be received
path
address[]
The token path of the swap (list of token addresses)
pool
address[]
The pool path of the swap (list of pool addresses)
When using v2 pool : address(0)
When using v3 pool : address of v3 pool
Return Values:
Name
Type
Description
amounts
uint256[]
The input token amount and all subsequent output token amounts.
State-Changing Functions
swapExactTokensForTokens
function swapExactTokensForTokens(
    uint256 amountIn, 
    uint256 amountOutMin, 
    struct SwapParams calldata p
) external returns (uint256[] memory amounts)
Swaps an exact amount of input tokens for as many output tokens as possible, along the route determined by the path.
Parameters:
Name
Type
Description
amountIn
uint256
The amount of input tokens to paid
amountOutMin
uint256
The minimum amount of output tokens that must be received for the transaction not to revert
p
struct SwapParams 
struct SwapParams for swap
Return Values:
Name
Type
Description
amounts
uint256[]
The input token amount and all subsequent output token amounts.
swapTokensForExactTokens
function swapTokensForExactTokens(
    uint256 amountOut, 
    uint256 amountInMax, 
    struct SwapParams calldata p
) external returns (uint256[] memory amounts)
Receive an exact amount of output tokens for as few input tokens as possible, along the route determined by the path.
Parameters:
Name
Type
Description
amountOut
uint256
The amount of output tokens to receive
amountInMax
uint256
The maximum amount of input tokens that can be required before the transaction reverts
p
struct SwapParams 
struct SwapParams for swap
Return Values:
Name
Type
Description
amounts
uint256[]
The input token amount and all subsequent output token amounts.
​
swapExactETHForTokens
function swapExactETHForTokens(
    uint256 amountOutMin, 
    struct SwapParams calldata p
) external payable returns (uint256[] memory amounts)
Swaps an exact amount of ETH for as many output tokens as possible, along the route determined by the path
Parameters:
Name
Type
Description
msg.value
uint256
The amount of ETH to be paid
amountOutMin
uint256
The minimum amount of output tokens that must be received for the transaction not to revert
p
struct SwapParams 
struct SwapParams for swap
Return Values:
Name
Type
Description
amounts
uint256[]
The input token amount and all subsequent output token amounts.
​
​
swapTokensForExactETH
function swapTokensForExactETH(
    uint256 amountOut, 
    uint256 amountInMax, 
    struct SwapParams calldata p
) external returns (uint256[] memory amounts)
Receive an exact amount of ETH for as few input tokens as possible, along the route determined by the path.
Parameters:
Name
Type
Description
amountOut
uint256
The amount of ETH to receive
amountInMax
uint256
The maximum amount of input tokens that can be required before the transaction reverts
p
struct SwapParams 
struct SwapParams for swap
Return Values:
Name
Type
Description
amounts
uint256[]
The input token amount and all subsequent output token amounts.
​
swapExactTokensForETH
function swapExactTokensForETH(
    uint256 amountIn, 
    uint256 amountOutMin, 
    struct SwapParams calldata p
) external returns (uint256[] memory amounts)
Swaps an exact amount of tokens for as much ETH as possible, along the route determined by the path.
Parameters:
Name
Type
Description
amountIn
uint256
The amount of input tokens to be paid
amountOutMin
uint256
The minimum amount of output tokens that must be received for the transaction not to revert
p
struct SwapParams 
struct SwapParams for swap
Return Values:
Name
Type
Description
amounts
uint256[]
The input token amount and all subsequent output token amounts.
​
swapETHForExactTokens
function swapETHForExactTokens(
    uint256 amountOut,
    struct SwapParams calldata p
) external payable returns (uint256[] memory amounts)
Swaps an exact amount of tokens for as much ETH as possible, along the route determined by the path.
Parameters:
Name
Type
Description
amountOut
uint256
The amount of tokens to receive
msg.value (amountInMax)
uint256
The maximum amount of ETH that can be required before the transaction revert
p
struct SwapParams 
struct SwapParams for swap
Return Values:
Name
Type
Description
amounts
uint256[]
The input token amount and all subsequent output token amounts.
​
​
​
​

Name	Type	Description
`to`	address	Address to receive tokens after swap
`path`	address[]	Swap paths (token address list)
`pool`	address[]	Pool paths in swap (list of pool addresses) When using v2 pool: `address(0)` When using v3 pool: v3 pool address
`deadline`	uint256	deadline

Name	Type	Description
`amountIn`	uint256	The amount of first token required to be paid
`path`	address[]	The path of the swap (list of token addresses)
`pool`	address[]	The pool path of the swap (list of pool addresses) When using v2 pool : `address(0)` When using v3 pool : `address of v3 pool`

Name	Type	Description
`amounts`	uint256[]	The input token amount and all subsequent output token amounts.

Name	Type	Description
`amountOut`	uint256	The amount of the last token that would be received
`path`	address[]	The token path of the swap (list of token addresses)
`pool`	address[]	The pool path of the swap (list of pool addresses) When using v2 pool : `address(0)` When using v3 pool : `address of v3 pool`

Name	Type	Description
`amounts`	uint256[]	The input token amount and all subsequent output token amounts.

Name	Type	Description
`amountIn`	uint256	The amount of input tokens to paid
`amountOutMin`	uint256	The minimum amount of output tokens that must be received for the transaction not to revert
`p`	`struct SwapParams`	`struct SwapParams` for swap

Name	Type	Description
`amounts`	uint256[]	The input token amount and all subsequent output token amounts.

Name	Type	Description
`amountOut`	uint256	The amount of output tokens to receive
`amountInMax`	uint256	The maximum amount of input tokens that can be required before the transaction reverts
`p`	`struct SwapParams`	`struct SwapParams` for swap

Name	Type	Description
`amounts`	uint256[]	The input token amount and all subsequent output token amounts.

Name	Type	Description
`msg.value`	uint256	The amount of ETH to be paid
`amountOutMin`	uint256	The minimum amount of output tokens that must be received for the transaction not to revert
`p`	`struct SwapParams`	`struct SwapParams` for swap

Name	Type	Description
`amounts`	uint256[]	The input token amount and all subsequent output token amounts.

Name	Type	Description
`amountOut`	uint256	The amount of ETH to receive
`amountInMax`	uint256	The maximum amount of input tokens that can be required before the transaction reverts
`p`	`struct SwapParams`	`struct SwapParams` for swap

Name	Type	Description
`amounts`	uint256[]	The input token amount and all subsequent output token amounts.

Name	Type	Description
`amountIn`	uint256	The amount of input tokens to be paid
`amountOutMin`	uint256	The minimum amount of output tokens that must be received for the transaction not to revert
`p`	`struct SwapParams`	`struct SwapParams` for swap

Name	Type	Description
`amounts`	uint256[]	The input token amount and all subsequent output token amounts.

Name	Type	Description
`amountOut`	uint256	The amount of tokens to receive
`msg.value` (amountInMax)	uint256	The maximum amount of ETH that can be required before the transaction revert
`p`	`struct SwapParams`	`struct SwapParams` for swap

Name	Type	Description
`amounts`	uint256[]	The input token amount and all subsequent output token amounts.

Last modified 2mo ago