Address 0xeef4…d4fb · PulseScanner

Current Holdings

$0.00

TXs sent

not counted

First Active

2023-05-13

block 17,254,330

Last Active

47 days ago

block 27,191,974

Funded By

0xea29…2b38

0x83a9…4f85

Net worth historyi

15 snapshots · to block 27,438,539coverage change 26 Augcoverage change 27 Augcoverage change 27 Augcoverage change 27 Augcoverage change 27 Aug

partial matchTransparentUpgradeableProxyImmutablesolc 0.8.13+commit.abaa5c0eruntime partial · creation partial

proxy·0x955a…e1e6

// SPDX-License-Identifier: SEE LICENSE IN LICENSE
pragma solidity 0.8.13;

import { PPM_RESOLUTION } from "./Constants.sol";

error AccessDenied();
error AlreadyExists();
error DoesNotExist();
error InvalidAddress();
error InvalidExternalAddress();
error InvalidFee();
error InvalidPool();
error InvalidPoolCollection();
error InvalidStakedBalance();
error InvalidToken();
error InvalidType();
error InvalidParam();
error NotEmpty();
error NotPayable();
error ZeroValue();

/**
 * @dev common utilities
 */
contract Utils {
    // allows execution by the caller only
    modifier only(address caller) {
        _only(caller);

        _;
    }

    function _only(address caller) internal view {
        if (msg.sender != caller) {
            revert AccessDenied();
        }
    }

    // verifies that a value is greater than zero
    modifier greaterThanZero(uint256 value) {
        _greaterThanZero(value);

        _;
    }

    // error message binary size optimization
    function _greaterThanZero(uint256 value) internal pure {
        if (value == 0) {
            revert ZeroValue();
        }
    }

    // validates an address - currently only checks that it isn't null
    modifier validAddress(address addr) {
        _validAddress(addr);

        _;
    }

    // error message binary size optimization
    function _validAddress(address addr) internal pure {
        if (addr == address(0)) {
            revert InvalidAddress();
        }
    }

    // validates an external address - currently only checks that it isn't null or this
    modifier validExternalAddress(address addr) {
        _validExternalAddress(addr);

        _;
    }

    // error message binary size optimization
    function _validExternalAddress(address addr) internal view {
        if (addr == address(0) || addr == address(this)) {
            revert InvalidExternalAddress();
        }
    }

    // ensures that the fee is valid
    modifier validFee(uint32 fee) {
        _validFee(fee);

        _;
    }

    // error message binary size optimization
    function _validFee(uint32 fee) internal pure {
        if (fee > PPM_RESOLUTION) {
            revert InvalidFee();
        }
    }
}