IPeripheryPayments

Functions to ease deposits and withdrawals of ETH

Functions​

unwrapWETH9​

  function unwrapWETH9(
    uint256 amountMinimum,
    address recipient
  ) external

Unwraps the contract's WETH9 balance and sends it to recipient as ETH.

The amountMinimum parameter prevents malicious contracts from stealing WETH9 from users.

Parameters:​

Name	Type	Description
amountMinimum	uint256	The minimum amount of WETH9 to unwrap
recipient	address	The address receiving ETH

refundETH​

  function refundETH(
  ) external

Refunds any ETH balance held by this contract to the msg.sender

Useful for bundling with mint or increase liquidity that uses ether, or exact output swaps that use ether for the input amount

sweepToken​

  function sweepToken(
    address token,
    uint256 amountMinimum,
    address recipient
  ) external

Transfers the full amount of a token held by this contract to recipient

The amountMinimum parameter prevents malicious contracts from stealing the token from users

Parameters:​

Name	Type	Description
token	address	The contract address of the token which will be transferred to recipient
amountMinimum	uint256	The minimum amount of token required for a transfer
recipient	address	The destination address of the token