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Diffstat (limited to 'test/compilationTests/zeppelin/token/LimitedTransferToken.sol')
-rw-r--r-- | test/compilationTests/zeppelin/token/LimitedTransferToken.sol | 57 |
1 files changed, 0 insertions, 57 deletions
diff --git a/test/compilationTests/zeppelin/token/LimitedTransferToken.sol b/test/compilationTests/zeppelin/token/LimitedTransferToken.sol deleted file mode 100644 index d668b86f..00000000 --- a/test/compilationTests/zeppelin/token/LimitedTransferToken.sol +++ /dev/null @@ -1,57 +0,0 @@ -pragma solidity ^0.4.11; - -import "./ERC20.sol"; - -/** - * @title LimitedTransferToken - * @dev LimitedTransferToken defines the generic interface and the implementation to limit token - * transferability for different events. It is intended to be used as a base class for other token - * contracts. - * LimitedTransferToken has been designed to allow for different limiting factors, - * this can be achieved by recursively calling super.transferableTokens() until the base class is - * hit. For example: - * function transferableTokens(address holder, uint64 time) view public returns (uint256) { - * return min256(unlockedTokens, super.transferableTokens(holder, time)); - * } - * A working example is VestedToken.sol: - * https://github.com/OpenZeppelin/zeppelin-solidity/blob/master/contracts/token/VestedToken.sol - */ - -contract LimitedTransferToken is ERC20 { - - /** - * @dev Checks whether it can transfer or otherwise throws. - */ - modifier canTransfer(address _sender, uint256 _value) { - if (_value > transferableTokens(_sender, uint64(now))) revert(); - _; - } - - /** - * @dev Checks modifier and allows transfer if tokens are not locked. - * @param _to The address that will receive the tokens. - * @param _value The amount of tokens to be transferred. - */ - function transfer(address _to, uint256 _value) canTransfer(msg.sender, _value) public { - super.transfer(_to, _value); - } - - /** - * @dev Checks modifier and allows transfer if tokens are not locked. - * @param _from The address that will send the tokens. - * @param _to The address that will receive the tokens. - * @param _value The amount of tokens to be transferred. - */ - function transferFrom(address _from, address _to, uint256 _value) public canTransfer(_from, _value) { - super.transferFrom(_from, _to, _value); - } - - /** - * @dev Default transferable tokens function returns all tokens for a holder (no limit). - * @dev Overwriting transferableTokens(address holder, uint64 time) is the way to provide the - * specific logic for limiting token transferability for a holder over time. - */ - function transferableTokens(address holder, uint64 time) view public returns (uint256) { - return balanceOf(holder); - } -} |