Function: enter(uint256 flashloanAmount, SwapPayload swapPayload, uint256 maxLTV)

This enters a position by swapping the deposited coins for the staked coin, putting it down as collateral, then repaying the flash loan by borrowing using the collateral.

Inputs

• flashloanAmount

  • Constraints: Must be signed by Definitive.

  • Impact: The size of the flash loan taken from Balancer.

• swapPayload

  • Constraints: Must be signed by Definitive.

  • Impact: Determines which coins to swap into the staked coin.

• maxLTV

  • Constraints: Must be signed by Definitive.

  • Impact: Limits the loan-to-value ratio after the transaction.

Branches and code coverage

Intended branches

• If flashloanAmount is zero, enter directly without flashloan.

  Test coverage

• Get a flash loan and call enter.

  Test coverage

Negative behaviour

• Reverts if caller is not whitelisted.

  Negative test

• Reverts if maximum LTV is exceeded after entering.

  Negative test