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78 lines
1.5 KiB
78 lines
1.5 KiB
pragma solidity ^0.4.24;
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import "./ERC721.sol";
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import "../../access/roles/MinterRole.sol";
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/**
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* @title ERC721Mintable
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* @dev ERC721 minting logic
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*/
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contract ERC721Mintable is ERC721, MinterRole {
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event Minted(address indexed to, uint256 tokenId);
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event MintingFinished();
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bool private mintingFinished_ = false;
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modifier onlyBeforeMintingFinished() {
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require(!mintingFinished_);
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_;
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}
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/**
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* @return true if the minting is finished.
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*/
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function mintingFinished() public view returns(bool) {
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return mintingFinished_;
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}
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/**
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* @dev Function to mint tokens
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* @param _to The address that will receive the minted tokens.
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* @param _tokenId The token id to mint.
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* @return A boolean that indicates if the operation was successful.
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*/
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function mint(
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address _to,
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uint256 _tokenId
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)
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public
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onlyMinter
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onlyBeforeMintingFinished
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returns (bool)
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{
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_mint(_to, _tokenId);
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emit Minted(_to, _tokenId);
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return true;
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}
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function mintWithTokenURI(
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address _to,
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uint256 _tokenId,
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string _tokenURI
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)
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public
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onlyMinter
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onlyBeforeMintingFinished
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returns (bool)
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{
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mint(_to, _tokenId);
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_setTokenURI(_tokenId, _tokenURI);
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return true;
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}
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/**
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* @dev Function to stop minting new tokens.
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* @return True if the operation was successful.
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*/
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function finishMinting()
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public
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onlyMinter
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onlyBeforeMintingFinished
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returns (bool)
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{
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mintingFinished_ = true;
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emit MintingFinished();
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return true;
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}
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}
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