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34 lines
1.2 KiB
34 lines
1.2 KiB
pragma solidity ^0.5.0;
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import "./ERC20.sol";
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import "../../lifecycle/Pausable.sol";
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/**
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* @title Pausable token
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* @dev ERC20 with pausable transfers and allowances.
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*
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* Useful if you want to stop trades until the end of a crowdsale, or have
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* an emergency switch for freezing all token transfers in the event of a large
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* bug.
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*/
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contract ERC20Pausable is ERC20, Pausable {
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function transfer(address to, uint256 value) public whenNotPaused returns (bool) {
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return super.transfer(to, value);
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}
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function transferFrom(address from, address to, uint256 value) public whenNotPaused returns (bool) {
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return super.transferFrom(from, to, value);
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}
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function approve(address spender, uint256 value) public whenNotPaused returns (bool) {
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return super.approve(spender, value);
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}
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function increaseAllowance(address spender, uint256 addedValue) public whenNotPaused returns (bool) {
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return super.increaseAllowance(spender, addedValue);
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}
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function decreaseAllowance(address spender, uint256 subtractedValue) public whenNotPaused returns (bool) {
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return super.decreaseAllowance(spender, subtractedValue);
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}
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}
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