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// SPDX-License-Identifier: LGPL-3.0-only
pragma solidity >=0.8.0 <0.9.0;
import "./vendor/@openzeppelin/contracts/access/Ownable.sol";
import "./vendor/@openzeppelin/contracts/security/Pausable.sol";
import "./vendor/@openzeppelin/contracts/token/ERC20/ERC20.sol";
import "./TokenRescuer.sol";
/// @title Safe Token contract
/// @author Richard Meissner - @rmeissner
contract SafeToken is ERC20, Pausable, Ownable, TokenRescuer {
    /// @dev Will mint 1 billion tokens to the owner and pause the contract
    constructor(address owner) ERC20("Safe Token", "SAFE") {
        // Transfer ownership immediately
        _transferOwnership(owner);
        // "ether" is used here to get 18 decimals
        _mint(owner, 1_000_000_000 ether);
        // Contract is paused by default
        // This has to be done after _mint, else minting will fail
        _pause();
    }
    /// @notice Unpauses all token transfers.
    /// @dev See {Pausable-_unpause}
    /// Requirements: caller must be the owner
    function unpause() public virtual onlyOwner {
        require(paused(), "SafeToken: token is not paused");
        _unpause();
    }
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