IApproveAndCall

Functions

getApprovalType

Lens to be called off-chain to determine which (if any) of the relevant approval functions should be called

function getApprovalType(address token, uint256 amount) external returns (ApprovalType);

Parameters

Name	Type	Description
token	address	The token to approve
amount	uint256	The amount to approve

Returns

Name	Type	Description
<none>	ApprovalType	The required approval type

approveMax

Approves a token for the maximum possible amount

function approveMax(address token) external payable;

Parameters

Name	Type	Description
token	address	The token to approve

approveMaxMinusOne

Approves a token for the maximum possible amount minus one

function approveMaxMinusOne(address token) external payable;

Parameters

Name	Type	Description
token	address	The token to approve

approveZeroThenMax

Approves a token for zero, then the maximum possible amount

function approveZeroThenMax(address token) external payable;

Parameters

Name	Type	Description
token	address	The token to approve

approveZeroThenMaxMinusOne

Approves a token for zero, then the maximum possible amount minus one

function approveZeroThenMaxMinusOne(address token) external payable;

Parameters

Name	Type	Description
token	address	The token to approve

callPositionManager

Calls the position manager with arbitrary calldata

function callPositionManager(bytes memory data) external payable returns (bytes memory result);

Parameters

Name	Type	Description
data	bytes	Calldata to pass along to the position manager

Returns

Name	Type	Description
result	bytes	The result from the call

mint

Calls the position manager's mint function

function mint(MintParams calldata params) external payable returns (bytes memory result);

Parameters

Name	Type	Description
params	MintParams	Calldata to pass along to the position manager

Returns

Name	Type	Description
result	bytes	The result from the call

increaseLiquidity

Calls the position manager's increaseLiquidity function

function increaseLiquidity(IncreaseLiquidityParams calldata params) external payable returns (bytes memory result);

Parameters

Name	Type	Description
params	IncreaseLiquidityParams	Calldata to pass along to the position manager

Returns

Name	Type	Description
result	bytes	The result from the call

Structs

MintParams

struct MintParams {
    address token0;
    address token1;
    uint24 fee;
    int24 tickLower;
    int24 tickUpper;
    uint256 amount0Min;
    uint256 amount1Min;
    address recipient;
}

IncreaseLiquidityParams

struct IncreaseLiquidityParams {
    address token0;
    address token1;
    uint256 tokenId;
    uint256 amount0Min;
    uint256 amount1Min;
}

Enums

ApprovalType

enum ApprovalType {
    NOT_REQUIRED,
    MAX,
    MAX_MINUS_ONE,
    ZERO_THEN_MAX,
    ZERO_THEN_MAX_MINUS_ONE
}