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IOperationFees

Public interface for OperationFeesFacet on the FlareTeeManager diamond.

Each instruction sent through IInstructions.sendInstructions charges a per-operation, per-machine fee:

fee = perOperationFee(opType, opCommand) × number of TEE ids

The getOperationFee function returns a governance override for that (opType, opCommand) pair, or the global defaultFee if no override is set. The instructions sender attaches msg.value on sendInstructions; underpayment reverts with FeeTooLow error. Call calculateFeeByTeeIds function first and pay that amount.

This ABI is read-only. Governance sets the schedule through internal setters on OperationFeesFacet (setDefaultFee, setOperationFees).

Inherits shared ITeeCommonErrors.

Functions​

getDefaultFee​

Returns the default fee.

function getDefaultFee()
        external view
        returns (uint256)

Returns

  • uint256: The default fee.

getOperationFee​

Returns the operation's fee.

function getOperationFee(
        bytes32 _opType,
        bytes32 _opCommand
    )
        external view
        returns (uint256 _operationFee)

Parameters

  • _opType: The operation type.
  • _opCommand: The operation command.

Returns

  • _operationFee: The fee. If no override is stored for the pair, this is the default fee.

calculateFeeByTeeIds​

Calculates the fee for the operation and list of tee ids that will receive instructions.

function calculateFeeByTeeIds(
        bytes32 _opType,
        bytes32 _opCommand,
        address[] memory _teeIds
    )
        external view
        returns (uint256 _fee)

Parameters

  • _opType: The operation type.
  • _opCommand: The operation command.
  • _teeIds: The list of tee ids that will receive instructions.

Returns

  • _fee: The calculated fee.

calculateFeeByWalletId​

Calculates the fee for an operation on the given wallet, resolving the receiving tee ids the same way pay/reissue do (deduplicated PRODUCTION tee ids). Reverts with ThresholdNotMet if the wallet does not have enough available keys.

function calculateFeeByWalletId(
        bytes32 _walletId,
        bytes32 _opType,
        bytes32 _opCommand
    )
        external view
        returns (uint256 _fee)

Parameters

  • _walletId: The wallet id.
  • _opType: The operation type.
  • _opCommand: The operation command.

Returns

  • _fee: The calculated fee.

Events​

DefaultFeeSet​

Event emitted when default fee is set.

event DefaultFeeSet(
        uint256 defaultFee
    )

Parameters

  • defaultFee (uint256 defaultFee)

OperationFeesSet​

Event emitted when operation fees are set.

event OperationFeesSet(
        bytes32[] opTypes,
        bytes32[] opCommands,
        uint256[] fees
    )

Parameters

  • opTypes (bytes32[] opTypes)
  • opCommands (bytes32[] opCommands)
  • fees (uint256[] fees)

Errors​

Facet-specific errors are listed here. The interface also inherits shared ITeeCommonErrors.

DefaultFeeZero​

The global default fee cannot be 0. Governance setDefaultFee and diamond init both reject a zero value. A per-operation override of 0 means "use the default", so the default itself must stay positive.

error DefaultFeeZero()