IAbstractFeeModule¶

Author: Originally developed by DEFYCA Labs S.a.r.l., maintained by Nestor Exchange OÜ

Overview¶

The IAbstractFeeModule interface defines a fee management system for token transfers within the Nestor Protocol, enabling configuration and calculation of transaction fees.

Core Functions¶

getFeeInfo¶

function getFeeInfo(bytes32 feeKey_) external view returns (FeeInfo memory);

getFeeInBps¶

function getFeeInBps(bytes32 tokenFeeKey_) external view returns (uint256);

getFeeRecipient¶

function getFeeRecipient(bytes32 tokenFeeKey_) external view returns (address);

calculateFeeAmount¶

function calculateFeeAmount(uint256 tokensAmount_, uint256 feeInBps_) external pure returns (uint256 feeAmount_);

Data Structure¶

FeeInfo¶

struct FeeInfo {
    uint256 feeInBps;
    address feeRecipientAddr;
}

Events¶

NestorFeeSet¶

event NestorFeeSet(bytes32 indexed feeKey, FeeInfo feeInfo);

Errors¶

Error	Trigger
`AbstractFeeModuleInvalidFeeRecipient`	Zero address recipient provided
`AbstractFeeModuleInvalidFee`	Fee basis points outside acceptable range