Function: stakeToFalconPosition(uint256 amount, uint256 duration, address recipient)

This function stakes existing USDf directly to the FalconPosition contract.

Inputs

• amount

  • Control: Fully controlled by the caller.

  • Constraints: N/A.

  • Impact: Amount of USDf to stake.

• duration

  • Control: Fully controlled by the caller.

  • Constraints: N/A.

  • Impact: Duration of staking for the FalconPosition contract.

• recipient

  • Control: Fully controlled by the caller.

  • Constraints: N/A.

  • Impact: Address for receiving staking position NFT.

Branches and code coverage

Intended branches

• Check if the amount is not zero.

  Test coverage

• Check if the recipient is not the zero address.

  Test coverage

• Transfer USDf from the caller.

  Test coverage

• Stake USDf and receive sUSDf.

  Test coverage

• Call FalconPosition's mint function to mint position NFT.

  Test coverage

• Transfer position NFT to the recipient.

  Test coverage

Negative behavior

• If the amount is zero, the transaction will be reverted.

  Negative test

• If the recipient is the zero address, the transaction will be reverted.

  Negative test