license warning

Oren Sokolowsky · Oren Sokolowsky · commit d48f6b66d370 · 2020-06-28T07:57:20.000+03:00
diff --git a/contracts/misc/NFTManager.sol b/contracts/misc/NFTManager.sol
@@ -1,4 +1,5 @@
 pragma solidity ^0.6.10;
+// SPDX-License-Identifier: GPL-3.0
 
 import "@openzeppelin/contracts-ethereum-package/contracts/token/ERC721/IERC721.sol";
 import "@openzeppelin/contracts-ethereum-package/contracts/token/ERC721/IERC721Receiver.sol";
diff --git a/contracts/test/ERC721Mock.sol b/contracts/test/ERC721Mock.sol
@@ -1,4 +1,5 @@
 pragma solidity  ^0.6.10;
+// SPDX-License-Identifier: GPL-3.0
 
 import "@openzeppelin/contracts-ethereum-package/contracts/access/Ownable.sol";
 import "@openzeppelin/contracts-ethereum-package/contracts/token/ERC721/ERC721.sol";
diff --git a/contracts/test/IERC721NonReceiverMock.sol b/contracts/test/IERC721NonReceiverMock.sol
@@ -1,4 +1,5 @@
 pragma solidity  ^0.6.10;
+// SPDX-License-Identifier: GPL-3.0
 
 import "@openzeppelin/contracts-ethereum-package/contracts/token/ERC721/IERC721Receiver.sol";
 
diff --git a/contracts/test/IERC721ReceiverMock.sol b/contracts/test/IERC721ReceiverMock.sol
@@ -1,4 +1,5 @@
 pragma solidity  ^0.6.10;
+// SPDX-License-Identifier: GPL-3.0
 
 import "@openzeppelin/contracts-ethereum-package/contracts/token/ERC721/IERC721Receiver.sol";
 

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,5 @@`
`1`	`1`	`pragma solidity ^0.6.10;`
	`2`	`+// SPDX-License-Identifier: GPL-3.0`
`2`	`3`
`3`	`4`	`import "@openzeppelin/contracts-ethereum-package/contracts/token/ERC721/IERC721.sol";`
`4`	`5`	`import "@openzeppelin/contracts-ethereum-package/contracts/token/ERC721/IERC721Receiver.sol";`