CoWSwapAdapter

Adapter for executing and completing token swaps using CoWSwap protocol.

State Variables

_COWSWAP_ADAPTER_STORAGE

CONSTANTS ///

Storage slot for CoWSwapAdapter specific data.

bytes32 internal constant _COWSWAP_ADAPTER_STORAGE =
    bytes32(uint256(keccak256("cove.basketmanager.cowswapadapter.storage")) - 1);

cloneImplementation

Address of the clone implementation used for creating CoWSwapClone contracts.

address public immutable cloneImplementation;

Functions

constructor

Constructor to initialize the CoWSwapAdapter with the clone implementation address.

constructor(address cloneImplementation_) payable;

Parameters

Name	Type	Description
`cloneImplementation_`	`address`	The address of the clone implementation contract.

executeTokenSwap

Executes a series of token swaps by creating orders on the CoWSwap protocol.

function executeTokenSwap(ExternalTrade[] calldata externalTrades, bytes calldata) external payable override;

Parameters

Name	Type	Description
`externalTrades`	`ExternalTrade[]`	The external trades to execute.
`<none>`	`bytes`

completeTokenSwap

Completes the token swaps by claiming the tokens from the CoWSwapClone contracts.

function completeTokenSwap(ExternalTrade[] calldata externalTrades)
    external
    payable
    override
    returns (uint256[2][] memory claimedAmounts);

Parameters

Name	Type	Description
`externalTrades`	`ExternalTrade[]`	The external trades that were executed and need to be settled.

Returns

Name	Type	Description
`claimedAmounts`	`uint256[2][]`	A 2D array containing the claimed amounts of sell and buy tokens for each trade.

_createOrder

Internal function to create an order on the CoWSwap protocol.

function _createOrder(
    address sellToken,
    address buyToken,
    uint256 sellAmount,
    uint256 buyAmount,
    uint32 validTo
)
    internal;

Parameters

Name	Type	Description
`sellToken`	`address`	The address of the token to sell.
`buyToken`	`address`	The address of the token to buy.
`sellAmount`	`uint256`	The amount of the sell token.
`buyAmount`	`uint256`	The minimum amount of the buy token.
`validTo`	`uint32`	The timestamp until which the order is valid.

_cowswapAdapterStorage

Internal function to retrieve the storage for the CoWSwapAdapter.

function _cowswapAdapterStorage() internal pure returns (CoWSwapAdapterStorage storage s);

Returns

Name	Type	Description
`s`	`CoWSwapAdapterStorage`	The storage struct for the CoWSwapAdapter.

Events

OrderCreated

EVENTS ///

Emitted when a new order is created.

event OrderCreated(
    address indexed sellToken,
    address indexed buyToken,
    uint256 sellAmount,
    uint256 buyAmount,
    uint32 validTo,
    address swapContract
);

Parameters

Name	Type	Description
`sellToken`	`address`	The address of the token to be sold.
`buyToken`	`address`	The address of the token to be bought.
`sellAmount`	`uint256`	The amount of the sell token.
`buyAmount`	`uint256`	The amount of the buy token.
`validTo`	`uint32`	The timestamp until which the order is valid.
`swapContract`	`address`	The address of the swap contract.

TokenSwapCompleted

Emitted when a token swap is completed.

event TokenSwapCompleted(
    address indexed sellToken,
    address indexed buyToken,
    uint256 claimedSellAmount,
    uint256 claimedBuyAmount,
    address swapContract
);

Parameters

Name	Type	Description
`sellToken`	`address`	The address of the token sold.
`buyToken`	`address`	The address of the token bought.
`claimedSellAmount`	`uint256`	The amount of sell tokens claimed.
`claimedBuyAmount`	`uint256`	The amount of buy tokens claimed.
`swapContract`	`address`	The address of the swap contract.

Structs

CoWSwapAdapterStorage

STRUCTS ///

Structure to store adapter-specific data.

struct CoWSwapAdapterStorage {
    uint32 orderValidTo;
}