pragma solidity 0.8.7;
library AddressUtils
{
function isContract(
address _addr
)
internal
view
returns (bool addressCheck)
{
bytes32 codehash;
bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
assembly { codehash := extcodehash(_addr) } // solhint-disable-line
addressCheck = (codehash != 0x0 && codehash != accountHash);
}
}
Created using remix-ide: Realtime Ethereum Contract Compiler and Runtime.
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