Sprinkly Headers

Sprinkly.sol

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.15;

library SafeTransferLib {
    /*´:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:*/
    /*                        CUSTOM ERRORS                       */
    /*.•°:°.´•˚.*°.˚:*.´•*.•°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´•*.•*/

    error ETHTransferFailed();

    /*´:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:*/
    /*                       ETH OPERATIONS                       */
    /*.•°:°.´•˚.*°.˚:*.´•*.•°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´•*.•*/

    function safeTransferETH(address to, uint256 amount) internal {
        assembly {
            // Transfer the ETH and check if it succeeded or not.
            if iszero(call(gas(), to, amount, 0, 0, 0, 0)) {
                // Store the function selector of `ETHTransferFailed()`.
                mstore(0x00, 0xb12d13eb)
                // Revert with (offset, size).
                revert(0x1c, 0x04)
            }
        }
    }
}