Mandatory Fixed Treasury Reimbursement

Integration contract meant to offer a fixed reward pulled from the SF treasury

1. Summary

The MandatoryFixedTreasuryReimbursement is a contract meant to be inherited from and used as a way to offer a fixed stability fee reward (pulled from the SF treasury) to any address.

2. Contract Variables & Functions

Variables

  • authorizedAccounts[usr: address] - addAuthorization/removeAuthorization - auth mechanisms

  • fixedReward - the fixed reward sent by the treasury to a fee receiver

  • treasury - stability fee treasury contract

Functions

  • treasuryAllowance() public view returns (uint256) - return the amount of SF that the treasury can transfer in one transaction when called by the reimbursement contract

  • getCallerReward() public view returns (uint256 reward) - get the actual reward that can be pulled from the SF treasury by taking the minimum value between the fixedRewardand the total amount that can be sent by the treasury in one block

  • rewardCaller(proposedFeeReceiver: address) internal - internal function to send a SF reward to a fee receiver by calling the treasury

Modifiers

  • isAuthorized - checks whether an address is part of authorizedAddresses (and thus can call authed functions)

Events

  • AddAuthorization - emitted when a new address becomes authorized. Contains:

    • account - the new authorized account

  • RemoveAuthorization - emitted when an address is de-authorized. Contains:

    • account - the address that was de-authorized

  • ModifyParameters - emitted when a parameter is updated.

  • RewardCaller - emitted when the contract rewards an address with SF coming from the treasury. Contains:

    • finalFeeReceiver - the address that got the reward

    • fixedReward - the reward that was sent

3. Walkthrough

rewardCaller is the most important function in this contract. It takes care of pulling a fixed SF reward from the treasury and then sending it to a proposedFeeReceiver.

getCallerReward can be used to retrieve the current SF fee that can be pulled from the treasury.

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