mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
35 lines
1.1 KiB
Solidity
35 lines
1.1 KiB
Solidity
pragma solidity ^0.4.11;
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import "./Ownable.sol";
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import "../token/ERC20Basic.sol";
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/**
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* @title Contracts that should not own Tokens
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* @author Remco Bloemen <remco@2π.com>
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* @dev This blocks incoming ERC23 tokens to prevent accidental loss of tokens.
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* Should tokens (any ERC20Basic compatible) end up in the contract, it allows the
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* owner to reclaim the tokens.
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*/
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contract HasNoTokens is Ownable {
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/**
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* @dev Reject all ERC23 compatible tokens
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* @param from_ address The address that is transferring the tokens
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* @param value_ uint256 the amount of the specified token
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* @param data_ Bytes The data passed from the caller.
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*/
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function tokenFallback(address from_, uint256 value_, bytes calldata data_) external {
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revert();
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}
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/**
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* @dev Reclaim all ERC20Basic compatible tokens
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* @param tokenAddr address The address of the token contract
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*/
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function reclaimToken(address tokenAddr) external onlyOwner {
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ERC20Basic tokenInst = ERC20Basic(tokenAddr);
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uint256 balance = tokenInst.balanceOf(address(this));
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tokenInst.transfer(owner, balance);
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}
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}
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