76abd1a41e
* Adding solhint, working on style fixes. * Upgraded to solhint 1.5.0. * Removed all references to Solium * Updated mocks to make the pass the new linter rules. * Reformatted the .solhint.json file a bit. * Removed Solium configuration files. * Remove Solium dependency. * Add comment explaing disabled time rule in TokenVesting. * Revert to the old (ugly?) style. * Revert SignatureBouncerMock style. * Fix ERC165InterfacesSupported interface.
27 lines
1.1 KiB
Solidity
27 lines
1.1 KiB
Solidity
pragma solidity ^0.5.0;
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/**
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* Utility library of inline functions on addresses
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*/
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library Address {
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/**
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* Returns whether the target address is a contract
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* @dev This function will return false if invoked during the constructor of a contract,
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* as the code is not actually created until after the constructor finishes.
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* @param account address of the account to check
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* @return whether the target address is a contract
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*/
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function isContract(address account) internal view returns (bool) {
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uint256 size;
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// XXX Currently there is no better way to check if there is a contract in an address
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// than to check the size of the code at that address.
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// See https://ethereum.stackexchange.com/a/14016/36603
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// for more details about how this works.
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// TODO Check this again before the Serenity release, because all addresses will be
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// contracts then.
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// solhint-disable-next-line no-inline-assembly
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assembly { size := extcodesize(account) }
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return size > 0;
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}
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}
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