NevellusMigrator

NevellusMigrator helps migrate your existing Uniswap LP tokens to Nevellus LP tokens.

The full contract can be found here.

Functions

migrateWithPermit

function migrateWithPermit(
        address tokenA,
        address tokenB,
        uint256 liquidity,
        uint256 amountAMin,
        uint256 amountBMin,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) public

Migrates existing Uniswap LP tokens to Nevellus LP tokens and permits the move in the same function.

Parameters

Name	Type	Description
tokenA	address	Uniswap LP token
tokenB	address	Nevellus LP token
liquidity	uint256	amount of NVLS you have staked that you wish to withdraw
amountAMin	uint256	minimum amount of Uniswap LP tokens to migrate
amountBMin	uint256	minimum amount of Nevellus LP tokens to migrate over to
deadline	uint256	current timestamp
v	uint8	recovery byte of the signature
r	bytes32	half of the ECDSA signature pair
s	bytes32	half of the ECDSA signature pair

migrate

 function migrate(
        address tokenA,
        address tokenB,
        uint256 liquidity,
        uint256 amountAMin,
        uint256 amountBMin,
        uint256 deadline
    ) public

Migrates approved liquidity amount of tokenA and tokenB.

Parameters

Name	Type	Description
tokenA	address	Uniswap LP token
tokenB	address	Nevellus LP token
liquidity	uint256	amount of approved Uniswap LP you wish to migrate
amountAMin	uint256	minimum amount of Uniswap LP tokens to migrate
amountBMin	uint256	minimum amount of Nevellus LP tokens to migrate over to
deadline	uint256	current timestamp

removeLiquidity

function removeLiquidity(
        address tokenA,
        address tokenB,
        uint256 liquidity,
        uint256 amountAMin,
        uint256 amountBMin,
        uint256 deadline
    ) internal returns (uint256 amountA, uint256 amountB)

Removes liquidity from old router. !!

Parameters

Name	Type	Description
tokenA	address	Uniswap LP token
tokenB	address	Nevellus LP token
liquidity	uint256	amount of approved Uniswap LP you wish to migrate
amountAMin	uint256	minimum amount of Uniswap LP tokens to migrate
amountBMin	uint256	minimum amount of Nevellus LP tokens to migrate over to
deadline	uint256	current timestamp

Returns

Name	Type	Description
amountA	uint256	Uniswap LP amount
amountB	uint256	Nevellus LP amount

pairForOldRouter

function pairForOldRouter(address tokenA, address tokenB) internal view returns (address pair)

Calculates the CREATE2 address for a pair without making any external calls.

Parameters

Name	Type	Description
tokenA	address	Uniswap LP token
tokenB	address	Nevellus LP token

Returns

Name	Type	Description
pair	address	CREATE2 address for the pair

_addLiquidity

function _addLiquidity(
        address tokenA,
        address tokenB,
        uint256 amountADesired,
        uint256 amountBDesired
    ) internal returns (uint256 amountA, uint256 amountB)

Internal function that creates the token pair if it doesn't exist yet, to be added by addLiquidity.

Parameters

Name	Type	Description
tokenA	address	address of first token in pair
tokenB	address	address of second token in pair
amountADesired	uint256	amount of tokenA to add
amountBDesired	uint256	amount of tokenB to add

Returns

Name	Type	Description
amountA	uint256	amount of tokenA added
amountB	uint256	amount of tokenB added

addLiquidity

function addLiquidity(
        address tokenA,
        address tokenB,
        uint256 amountADesired,
        uint256 amountBDesired
    ) internal returns (uint amountA, uint amountB)

Internal function that calls _addLiquidity and actually makes the safe transfers.

Parameters

Name	Type	Description
tokenA	address	address of first token in pair
tokenB	address	address of second token in pair
amountADesired	uint256	amount of tokenA to add
amountBDesired	uint256	amount of tokenB to add

Returns

Name	Type	Description
amountA	uint256	amount of tokenA added
amountB	uint256	amount of tokenB added